BAUMR-AG TOLLATBMRA05X 400W 7"x12" Variable-Speed Mini User Manual

User Manual

[Revision 5.0 December 2023]

READ THIS MANUAL CAREFULLY BEFORE USE – FAILURE TO DO SO MAY RESULT IN INJURY, PROPERTY DAMAGE

AND MAY VOID WARRANTY. • KEEP THIS MANUAL FOR FUTURE REFERENCE. • Products covered by this manual may

vary in appearance, assembly, inclusions, specifications, description and packaging.

Mini Metal Lathe – BMLAT-05

Safety

Safety messages are designed to alert you to possible dangers or hazards that could cause death, injury or

equipment or property damage if not understood or followed. Safety messages have the following symbols:

You WILL be KILLED or

SERIOUSLY INJURED if you do

not follow instructions.

You CAN be KILLED or

SERIOUSLY INJURED if you do

not follow instructions.

You CAN be INJURED if you do

not follow instructions or equipment

damage may occur.

It is vital that you read and understand this

user manual before using the product,

including safety warnings, and any assembly

and operating instructions. Keep the manual

for future reference.

Safety precautions and recommendations

detailed here must be fully understood and

followed to reduce the risk of injury, fire,

explosion, electrical hazard, and/or property

damage.

Safety information presented here is generic

in nature – some advice may not be

applicable to every product. The term

"equipment" refers to the product, be it

electrical mains powered, battery powered or

combustion engine powered.

• Before Use - If you are not familiar with the

safe operation/handling of the equipment or

are in any way unsure of any aspect of

suitability or correct use for your

application, you should complete training

conducted by a person or organization

qualified in safe use and operation of this

equipment, including fuel/electrical handling

and safety.

• Do NOT operate the equipment in

flammable or explosive environments, such

as in the presence of flammable liquids,

gases or dust. The equipment may create

sparks or heat that may ignite flammable

substances.

• Keep clear of moving parts.

• Equipment may be a potential source of

electric shock or injury if misused.

• Do NOT operate the equipment if it is

damaged, malfunctioning or is in an

excessively worn state.

• Do NOT allow others to use the equipment

unless they have read this manual and are

adequately trained.

• Keep packaging away from children - risk

of suffocation! Operators must use the

equipment correctly. When using the

equipment, consider conditions and pay

due care to persons and property.

General Work Area Safety

• Work areas should be clean and well it.

• Do not operate the equipment if

bystanders, animals etc are within

operating range of the equipment or the

general work area.

• If devices are provided for connecting dust

extraction / collection facilities, ensure

these are connected and used properly.

Dust collection can reduce dust-related

hazards.

General Personal Safety

• Wear appropriate protective equipment

when operating, servicing, or when in the

operating area of the equipment to help

protect from eye and ear injury, poisoning,

burns, cutting and crush injuries. Protective

equipment such as safety goggles,

respirators, non-slip safety footwear, hard

hat, hearing protection etc should be used

for appropriate equipment / conditions.

Other people nearby should also wear

appropriate personal protective equipment.

Do not wear loose clothing or jewellery,

which can be caught in moving parts. Keep

hair and clothing away from the equipment.

• Stay alert and use common sense when

operating the equipment. Do not over-

reach. Always maintain secure footing and

balance.

• Do not use the equipment if tired or under

the influence of drugs, alcohol or

medication.

• This equipment is not intended for use by

persons with reduced physical, sensory or

mental capabilities.

General Fuel Safety

• Petrol/fuel/gasoline is extremely flammable

– keep clear of naked flames or other

ignition sources.

• Do not spill fuel. If you spill fuel, wipe it off

the equipment immediately – if fuel gets on

your clothing, change clothing.

• Do NOT smoke near fuel or when

refuelling.

• Always shut off the engine before

refuelling.

• Do NOT refuel a hot engine.

• Open the fuel cap carefully to allow any

pressure build-up in the tank to release

slowly.

• Always refuel in well ventilated areas.

• Always check for fuel leakage. If fuel

leakage is found, do not start or run the

engine until all leaks are fixed.

General Carbon-Monoxide Safety

• Using a combustion engine indoors CAN

KILL IN MINUTES. Engine exhaust

contains carbon-monoxide – a poison you

cannot smell or see.

• Use combustion engines OUTSIDE only,

and far away from windows, doors and

vents.

General Equipment Use and Care

• The equipment is designed for domestic

use only.

• Handle the equipment safely and carefully.

• Before use, inspect the equipment for

misalignment or binding of moving parts,

loose components, damage or any other

condition that may affect its operation. If

damaged, have the equipment repaired by

an authorised service centre or technician

before use.

• Prevent unintentional starting of the

equipment - ensure equipment and power

switches are in the OFF position before

connecting or moving equipment. Do not

carry equipment with hands or fingers

touching any controls. Remove any tools or

other items that are not a part of the

equipment from it before starting or

switching on.

• Do not force the equipment. Use the

correct equipment for your application.

Equipment will perform better and be safer

when used within its design and usage

parameters.

• Use the equipment and accessories etc. in

accordance with these instructions,

considering working conditions and the

work to be performed. Using the equipment

for operations different from those intended

could result in hazardous situations.

• Always keep equipment components

(engines, hoses, handles, controls, frames,

housings, guards etc) and accessories

(cutting tools, nozzles, bits etc) properly

maintained. Keep the equipment clean and,

where applicable, properly lubricated.

• Store the equipment out of reach of

children or untrained persons. To avoid

burns or fire hazards, let the equipment

cool completely before transporting or

storing. Never place or store the equipment

near flammable materials, combustible

gases or liquids etc.

• The equipment is not weather-proof, and

should not be stored in direct sunlight, at

high ambient temperatures or locations that

are damp or humid.

• Do not clean equipment with solvents,

flammable liquids or harsh abrasives.

• For specific equipment safety use and care,

see Equipment Safety.

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Mini Metal Lathe – BMLAT-05

General Electrical Safety

• Inspect electrical equipment, extension

cords, power bars, and electrical fittings for

damage or wear before each use. Repair or

replace damaged equipment immediately.

• Ensure all power sources conform to

equipment voltage requirements and are

disconnected before connecting or

disconnecting equipment.

• When wiring electrically powered

equipment, follow all electrical and safety

codes.

• Always use a Residual Current Device

(RCD) (GFCI) / Earth Leakage Circuit

Breaker / Safety Switch when operating this

item (electrical items only).

• High voltage / high current power lines may

be present. Use extreme caution to avoid

contact or interference with power lines.

Electrical shock can be fatal.

General Electrical Safety

• Electrically grounded equipment must have

an approved cord and plug and be

connected to a grounded electrical outlet.

• Do NOT bypass the ON/OFF switch and

operate equipment by connecting and

disconnecting the electrical cord.

• Do NOT use equipment that has exposed

wiring, damaged switches, covers or

guards.

• Do NOT use electrical equipment in wet

conditions or in damp locations.

• Do NOT use electrical cords to lift, move or

carry equipment.

• Do NOT coil or knot electrical cords, and

ensure electrical cords are not trip hazards.

General Service Information

• The equipment must be serviced or

repaired at authorised service centres by

qualified personnel only.

• Replacement parts must be original

equipment manufacturer (OEM) to ensure

equipment safety is maintained.

• Do NOT attempt any maintenance or repair

work not described in this manual.

• After use, the equipment and components

may still be hot – allow the equipment to

cool and disconnect spark plugs and/or

electrical power sources and/or batteries

from it before adjusting, changing

accessories or performing repair or

maintenance.

• Do NOT adjust while the equipment is

running.

• Perform service-related activities in suitable

conditions, such as a workshop.

• Replace worn, damaged or missing

warning/safety labels immediately.

Mini Metal Lathe General Safety

OPERATOR: COMMON SENSE AND CAUTION ARE FACTORS WHICH CANNOT BE BUILT INTO ANY PRODUCT. THESE FACTORS MUST

BE SUPPLIED BY THE OPERATOR. PLEASE REMEMBER:

• When using electric tools, machines or equipment, basic safety precautions should always be followed to reduce the risk of fire, electric shock,

and personal injury.

• Keep work area clean. Cluttered areas invite injuries.

• Consider work area conditions. Do not use machines or power tools in damp, wet, or poorly lit locations. Do not expose equipment to rain. Keep

work area well lit. Do not use tools in the presence of flammable gases or liquids.

• Keep children away. All children should be kept away from the work area.

• Guard against ele9tric shock. Prevent body contact with grounded surfaces such as pipes, radiators, ranges, and refrigerator enclosures.

• Stay alert. Never operate equipment if you are tired.

• Do not operate the product if under the influence of alcohol or drugs. Read warning labels on prescriptions to determine if your judgment or

reflexes might be impaired.

• Do not wear loose clothing or jewellery as they can be caught in moving parts.

• Wear restrictive hair covering to contain long hair.

• Use eye and ear protection. Always wear:

• ANSI approved chemical splash goggles when working with chemicals.

• ANSI approved impact safety goggles at other times.

• ANSI approved dust mask or respirator when working around metal, wood, and chemical dusts and mists.

• A full-face shield if you are producing metal or wood filings.

• Always keep proper footing and balance.

• Do not reach over or across running machines.

• Always check that adjusting keys and wrenches are removed from the tool or machine work surface before plugging it in.

• Do not carry any tool with your finger on either the start button or trigger.

• When servicing, use only identical replacement parts.

Before Operation

• Be sure the switch is OFF when not in use and before plugging in.

• Do not attempt to use inappropriate attachments to exceed the tool's capacity. Approved accessories are available from the dealer or machine

maker.

• Check for damaged Parts. Before using any tool, any part that appears damaged should be carefully checked to determine that it will operate

properly and perform its intended function.

• Check for alignment and binding of all moving parts, broken parts or mounting fixtures and any other condition that may affect proper operation.

Any part that is damaged should be properly repaired or replaced by a qualified technician.

• Do not use the tool if any switch does not turn off and on properly.

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Mini Metal Lathe – BMLAT-05

Operation

• Never force the tool or attachment to do the work of a larger industrial tool. It is designed to do the job better and more safely at the rate for which

it was intended.

• Do not carry the tool by its power cord.

• Always unplug the cord by the plug. Never yank the cord out of the wall.

• Always turn off the machine before unplugging.

IF THERE IS ANY QUESTION ABOUT A CONDITION BEING SAFE OR UNSAFE, DO NOT OPERATE THE TOOL!

Grounding Instructions

This machine has a three-prong plug, the third(round)prong is the ground. Plug this cord only into a three-prong receptacle. Do not attempt to defeat

the protection the ground wire provides by cutting off the round prong. Cutting off the ground will result in a safety hazard and void the warranty.

DO NOT MODIFY THE PLUG IN ANY WAY. IF YOU HAVE ANY DOUBT, CALL A QUALIFIED ELECTRICIAN.

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Mini Metal Lathe – BMLAT-05

Safety Symbols

The product may have safety warning labels attached to it, explained below. Understand the symbols on your

product and their meanings. If any stickers become unreadable, unattached etc., replace them.

Flammable Material Hazard

Flammable liquids, gases or

substances etc may present.

Avoid ignition sources and open

flames. Danger of fire.

Read User Manual

Read and fully understand

product safety warnings,

operation, procedures etc before

using the product.

Use Hand Protection

Wear appropriate hand protection

and take due care as the product

or use of the product may present

hand hazards.

Carbon-Monoxide Hazard

Do not use the product in

confined areas or without

adequate ventilation. Carbon-

monoxide poisoning can be fatal.

Electrocution / Electrical Shock

Hazard

High voltage or high current

electricity may be present or

required by the product. Take

due care when handling electrical

products, cables, plugs and

leads. Electrical shock can be

fatal.

Toxic Fumes / Dust Hazard

Using the product or by-products

from use may produce fumes,

smoke or particles that could be

harmful if inhaled. Wear

appropriate breathing protection

and have adequate ventilation.

Explosive Material Hazard

Combustible liquids, gases or

substances etc may be present.

Avoid ignition sources and open

flames. Danger of explosion.

Cutting / Amputation Hazard

The product may have blades,

edges or mechanical devices that

can cause severe cut injury to

fingers, limbs etc. Take due care

when handling and using the

product.

Crush Hazard

The product may have blades,

edges or mechanical devices that

can cause severe crush injury to

fingers, limbs etc. Take due care

when handling and using the

product.

Single Operator Only

The product must be operated by

a single person only. More than

one person operating the product

may introduce additional hazards.

Use Face Protection

Wear appropriate full-face

protection and take due care as

the product or use of the product

may present face and eye

hazards.

Use Foot Protection

Wear appropriate foot protection

and take due care as the product

or use of the product may present

foot hazards.

Use Eye / Ear / Head Protection

Wear appropriate eye and / or

ear and / or head protection and

take due care as the product or

use of the product may present

eye, hearing and head hazards.

Running Hazard

Do not run on or near the product

as doing so may present a fall

hazard.

Diving Hazard

Do not dive into the product as

doing so may present a neck /

head injury hazard.

Adult Supervision Required

Always supervise children and

other users of a product to

prevent drowning or injury.

Skin Penetration / Puncture

Hazard

The product may produce

pressure, emit liquids or objects

that can cause severe injury to

fingers, limbs, blood etc. Take

due care when handling and

using the product.

Hot Surface Hazard

Be aware that the product may

produce high temperatures and

hot surfaces that can cause burn

injuries.

Flying Debris Hazard

Be aware that the product or use

of the product may present

hazards produced by flying

debris. Wear appropriate clothing

and protective devices.

Moving Parts Hazard

Be aware that the product

contains or uses mechanical

devices that move or rotate.

Always wait for moving parts to

stop fully before handling the

product, adjusting, maintenance

etc.

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Mini Metal Lathe – BMLAT-05

Carbon-Monoxide Hazard

Do not use the product in

confined areas or without

adequate ventilation. Carbon-

monoxide poisoning can be fatal.

Pull Hazard

Be aware that the product

contains or uses mechanical

devices that can pull in objects

and can cause severe injury to

fingers, limbs etc. Take due care

when handling and using the

product.

Slope / Fall Injury Hazard

Be aware that using the product

on sloping surfaces or in slippery

conditions may present additional

dangers from falls and contact

with blades, moving parts, hot

surfaces etc.

"Slam Dunk" Warning

Do NOT attempt "slam dunk"

manoeuvres as this may result in

severe injury due to falling,

product breakage or collapse etc.

Electrocution / Electrical Shock

Hazard - Outdoor

High voltage or high current

electricity may be present or

required by the product. Do NOT

use in rain, damp or wet

conditions. Electrical shock can

be fatal.

Electrocution / Electrical Shock

Hazard - Disconnect

High voltage or high current

electricity may be present or

required by the product. Always

disconnect the product from the

electrical supply before handling

the product, adjusting,

maintenance etc.

Power Line Electrocution

Hazard

High voltage / high current power

lines may be present. Use

extreme caution to avoid contact

or interference with power lines.

Electrical shock can be fatal.

"Kick-Back" Hazard

High level of "kick-back" hazard

that can cause the machine to

suddenly rotate towards operator.

Kick-back injury can be fatal.

Winch Operator Position

Hazard

Do NOT stand between winch

and load. Do NOT use winch to

move people.

Winch Lift Hazard

Do NOT LIFT load vertically. Use

machine to PULL only.

Cable Hazard

Ensure that load bearing cable is

not kinked or knotted.

Winch Cable Hazard

Ensure that there is a minimum

number of cable coils on

winching mechanism.

Winch Hook Hazard

Carry hook to load – do NOT

throw or run.

Flash / Blinding Hazard

Wear appropriate eye protection

for welding. Direct exposure to

weld arcs may cause permanent

eye injury.

Laser Hazard

Laser may be in use – do NOT

look directly at laser or allow

others to.

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Mini Metal Lathe – BMLAT-05

Table of Contents

Safety ............................................................................................................................................................. 2

Safety Symbols ........................................................................................................................................................... 5

Parts Identification ....................................................................................................................................... 8

Features ...................................................................................................................................................................... 8

Headstock ................................................................................................................................................................... 9

Running Gear ............................................................................................................................................................. 9

Tailstock ...................................................................................................................................................................... 9

Saddle ......................................................................................................................................................................... 9

Motor ......................................................................................................................................................................... 10

Spare Parts .................................................................................................................................................. 11

Unpacking & Preparing for Use ................................................................................................................. 12

Installation ................................................................................................................................................... 13

Mounting the Lathe ................................................................................................................................................... 13

Starting Procedure ..................................................................................................................................... 14

Plugging It In And Switching It On ............................................................................................................................ 14

Starting Under Normal Conditions ............................................................................................................................ 15

Operation ..................................................................................................................................................... 16

Simple Turning .......................................................................................................................................................... 16

Simple Turning with Power Feed .............................................................................................................................. 17

Bevel Cutting ............................................................................................................................................................ 18

Screw Cutting ........................................................................................................................................................... 19

Changing Gears for Screw Cutting ........................................................................................................... 20

Gear Chart for Cutting Imperial Threads .................................................................................................. 21

Gear Chart for Cutting Metric Threads ..................................................................................................... 22

Maintenance ................................................................................................................................................ 23

Before Use ................................................................................................................................................................ 23

After Use ................................................................................................................................................................... 23

Motor Brushes .......................................................................................................................................................... 23

Settings and Adjustments ......................................................................................................................... 24

Cross-Slide Adjustments .......................................................................................................................................... 24

Cross-Slide Feed Handle ......................................................................................................................................... 24

Compound Slide Adjustments .................................................................................................................................. 24

Specifications ............................................................................................................................................. 25

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Mini Metal Lathe – BMLAT-05

Parts Identification

Features

No. Name No. Name No. Name

1 Headstock 10 Tailstock Securing Nut 19 Leadscrew

2 Spindle Flange 11 Bed 20 Motor Brush Cap

3 Chuck Guard (Accessory) 12 R.H. Leadscrew Bearing 21 Thread Dial Indicator Table (Accessory)

4 3-Jaw Chuck 13 Compound Slide Feed Handle 22 Running Gear Cover

5

Tool Post

14

Thread Dial Indicator (Accessory)

23

Variable Speed Control Knob

6

Cross-Slide

15

Automatic Feed Lever

24

Forward/Off/Reverse Switch

7

Compound Slide

16

Cross-Slide Feed Handle

25

Emergency Stop Switch

8 Tailstock Centre 17 Apron 26 High/Low Speed Range Lever

9 Tailstock 18 Manual (Saddle) Feed Handle 27 Leadscrew Fwd./Neutral/Reverse Lever

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Mini Metal Lathe – BMLAT-05

Headstock

•

The motor provides a direct drive to the Spindle via an internal tooth type belt. Spindle speed is variable and

is regulated by the Speed Control Knob (23). located on the main control panel.

•

The Spindle is provided with an internal No.3 Morse taper to accommodate a centre for use with a face plate

or turning clamp.

•

The 3-Jaw. Self-Centring Chuck (4) is mounted on the Spindle Flange (2). To remove the chuck, simply

remove the three securing nuts to the rear of the flange allowing it to be pulled free together with the three

mounting studs.

•

Three external jaws are also supplied, which extend the capacity of the chuck. Their uses and method of

assembly is described under

Accessories.

•

The spindle has 6 holes drilled in its flange to accommodate a range of fixtures such as the Face Plate, 4-

Jaw chuck etc., (See Accessories).

Running Gear

•

The Running Gear is protected by a cover (22), which is

removed by unscrewing the two securing hex screws.

•

The gear train, shown in Fig. 2, transmits drive to the lead

screw. The Lead Screw acts as a worm and by operating

the Auto Feed Lever (15), which engages a nut with the

lead screw (worm) drive is transmitted to the saddle, and

consequently the cutting tool, thereby providing a power

feed for screw cutting or general turning operations. The

rotational speed of the lead screw, and hence the rate of

feed of the cutting tool, is determined by the gear

configuration. This is explained in greater detail under

Screw Cutting.

•

The drive to the leadscrew may be disconnected by

operating the lever (27) and the same lever is used to drive

the leadscrew in a forward or reverse direction. (These

actions are described in detail under

Screw Cutting).

Tailstock

The Tailstock (9) may be moved along the bed to any desired position and is secured in position by a single nut

(10) at its base. The Tailstock Spindle carries an internal No.2 Morse taper for use with the Centre (8) provided.

A Revolving Centre and Drill Chuck are also available from your dealer (See Accessories).

Saddle

The Saddle carries the Cross-Slide (6) onto which is mounted the Compound Slide (7) with Tool Post (5),

allowing intricate and delicate operations to be performed. It may be driven by the Leadscrew, via a Drive Nut, to

provide automatic feed when the Auto Feed lever (15), mounted on the Apron (17), is operated.

The position of the tool is affected by turning the cross-slide feed handle (16), which moves it across the lathe,

and the saddle or manual feed handle (18), which moves it longitudinally. Additionally the compound slide feed

handle (13) may be used to move the tool by small amounts at right angles to the cross-slide, or the slide may

be set at an angle to the cross-slide so that short tapers or bevels may be cut. This is described in greater detail

under Bevel Cutting.

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Mini Metal Lathe – BMLAT-05

The cross-slide and compound slide feeds are provided

with a scale. These are used to move the tool by precise

amounts - one division being equivalent to 0.001"

(0.025mm). As the feed handle is turned, so does the

scale. The scale on the cross-slide feed may also be

held stationary whilst the handle is turned. allowing the

scale to be 'zeroed'. The way this is used is discussed in

greater detail under Operation.

The tool post carries 8 hex socket head screws, which

are used to secure a cutting tool in any desired position.

Four may be mounted for convenience and to speed up

your operation. Two are shown mounted.

The tool post is rotated by slackening the lever (A) on its

top. It’s enough for the post to be lifted slightly and then

turned to the desired position.

ALWAYS ensure the post, and hence the tool, is secured

by screwing down the lever firmly before attempting to cut.

Motor

It is not recommended that you disassemble the motor. Brushes may be replaced as described under

Maintenance. For all other servicing and repairs, please contact your dealer.

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Mini Metal Lathe – BMLAT-05

Spare Parts

Spare parts available for purchase, scan QR codes below:

QR Code SKU

TOLLATBMRA05X

TOLLATBMRA06X

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Mini Metal Lathe – BMLAT-05

Unpacking & Preparing for Use

On receipt, carefully unpack the lathe and inspect to ensure that no damage was suffered in transit and all parts

are accounted for. Should any damage be apparent, or parts are missing, please contact your dealer

immediately.

The following loose items are to be found in the carton:

1. 4 x Rubber Feet *

2. 4 x M6 Pan Head Screws *

3. 4 x Hex Keys

4. 1 x Chuck Key

5. 1 x Plastic Oil Container *

6. 1 x Spare Fuse glass type *

7. 2 x Plastic Handles w/Nuts and Bolts *

8. No.2 Morse Taper Centre (for Tailstock)

9. 3 x External Jaws (for 3-Jaw Chuck)

10. 2 x Double Open-Ended Spanners 8x10mm and 14x17mm

11. 1 x Gear Set

Imperial - Z: 30, 35, 40, 40, 45, 50, 55, 57, 60, 65

Metric - Z.30, 35, 40, 40, 50, 60) *

* denotes not illustrated.

With assistance, considering the weight of the machine, raise it onto a good solid surface or workbench.

Proceed to remove all traces of preservative with paraffin or good quality solvent and lightly oil all machined

surfaces.

You will notice that, for transit purposes, the cross-slide feed handle has been mounted in reverse. Remove it,

by unscrewing the hex socket head screw, securing it, and mount it the correct way around. Then turn all feed

handles to ensure they are free and move evenly and smoothly.

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Mini Metal Lathe – BMLAT-05

Attach the plastic handles to the rims of the manual feed and tailstock feed handwheels respectively, ensuring

the nuts are tight and the handles spin freely about the bolts, without excessive end play.

Saddle, cross-slide and compound slide adjustments are all factory set to ensure smooth movement in both

directions. If, however, the adjustments have been upset during transit, indicated by stiff or erratic movement,

refer to Settings and Adjustments for the methods of adjustment.

All hex keys and spanners necessary to carry out various adjustments are supplied, together with a chuck key

for the 3-Jaw chuck and a spare fuse. The fuse holder is located on the main control panel.

The four rubber feet are attached to the underside of the bed, using the four M6 pan head screws, in the tapped

holes provided. These screws are also used to secure the chip tray. We strongly recommend however, that to

provide maximum stability and additional safety, you secure the lathe to a firm foundation as described under

Mounting the Lathe.

The three external jaws for the 3-Jaw self-centring chuck extend the capacity of the chuck and are discussed in

greater detail under Accessories.

Installation

CAUTION! DO NOT ATTEMPT TO USE THE MACHINE UNTIL INSTALLATION IS COMPLETED,

AND ALL PRELIMINARY CHECKS HAVE BEEN MADE IN ACCORDANCE WITH THIS MANUAL.

Mounting the Lathe

The lathe should be mounted on a strong, heavy

workbench of enough height so that you do not

need to bend your back to perform normal

operations. Take the necessary precautions when

moving the lathe considering its' weight.

Assistance will be required.

Ensure the location is adequately lit and that you

will not be working in your own shadow.

We strongly recommend that the machine is bolted

firmly to a strong workbench using the tapped

holes used to secure the feet to the lathe. This is

to provide added stability and consequently,

additional safety.

To do this, remove the four M6 screws which secure the rubber feet and chip tray to the machine (if already

fitted) and discard the feet. Drill four M6 clearance holes in a worktop at the dimensions shown in the diagram

opposite and with appropriate length M6 bolts or screws, with flat washers, (not supplied) proceed to secure the

lathe to the worktop ensuring the chip tray is in place.

Alternatively, if you do not wish for a permanent installation, you may secure the lathe to a 5/8" thick plywood

board with a minimum recommended dimension of 800x300mm, the mounting holes being centralised on the

board. When the lathe is in use, the board should be clamped to workbench using with 'G' clamps.

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Mini Metal Lathe – BMLAT-05

Starting Procedure

Plugging It In And

Switching It On

1. Push the Forward-off-Reverse switch to off

(C).

2. Push the Stop button to ‘open’ (B).

3. Turn the knob fully anticlockwise (A).

4. Chuck the guard down over the chuck (3).

5. Next switch the Forward - off - Reverse

switch to the direction desired (C).

6. Now turn the speed control knob to the

speed required (A). It will now run.

7. If at any time the yellow LED light is ON,

the machine will not run. This is a fault

condition. The lathe will remember this fault until the Forward - off - Reverse switch (C) has been switched

off.

If you overload the lathe or stop the lathe with the emergency stop button or lift the chuck guard, you will cause a

Fault condition. You will then have to set the Forward-off-Reverse switch to the OFF position for a couple of

seconds to reset the fault light to get it to operate again.

To check that the chuck guard micro switch is working, set:

1. Power ON (At the wall socket).

2. Stop button to open (B).

3. Turn speed knob fully anticlockwise (A).

4. Chuck guard down over chuck (3).

5. Now switch the Forward-off-Reverse switch to either direction (C)

If you lift the chuck guard up and down, the fault light should go ON and OFF. Now, switch the Forward-off-

Reverse switch to OFF. The light will go OFF.

If you always use the Forward-off-Reverse switch (C) to Stop and start the lathe, you will not cause a fault

condition and it will be quicker to use.

CAUTION! NEVER attempt to change the range from HIGH to LOW with the machine still running.

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Mini Metal Lathe – BMLAT-05

Starting Under Normal Conditions

Please refer to Fig. 5

1. Take all necessary precautions previously stated and ensure the workpiece can rotate fully without

obstruction.

2. Set the Speed Range control lever to HIGH or LOW as required.

3. Set the Forward/Off/Reverse (F/O/R) switch (C) on the main control panel, to the FORWARD position.

4. Engage or ensure the Auto Feed lever is dis-engaged, depending upon whether automatic feed is required.

IMPORTANT: This should ALWAYS be a deliberate, conscious action.

NOTE: If Auto feed is required, the Leadscrew Forward/Neutral/Reverse Lever should be set to FORWARD.

If Auto feed is not required, the lever may be set to Neutral. To do this, grasp the knurled handle and pull out

against spring pressure. Holding the handle in this position, move the lever until the point, on its end, locates

in the middle pit mark in the casing.

5. Proceed to start the machine as described in Section. A above.

6. If the machine is finished with or is to be left unattended, turn the F/O/R switch to the OFF position then

disconnect from the mains supply.

CAUTION! ALWAYS turn the machine OFF at the Forward/off/Reverse switch BEFORE attempting to

change any settings or make any adjustments. This includes changing from High to Low range. ALWAYS

turn the machine OFF at the Forward/off/Reverse switch BEFORE attempting to change any settings or

make any adjustments. This includes changing from High to Low range.

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Mini Metal Lathe – BMLAT-05

Operation

Simple Turning

Before starting the machine, as described above, it is

imperative that the setup for the type of work to be

carried out is fully checked.

The following notes are guidelines as to how to set up

the lathe in order to carry out a simple turning operation.

ALWAYS plan your work. Have drawings or a plan on

hand together with any measuring instruments you may

require, such as micrometres/verniers/callipers etc.

Select a cutting tool that will produce the desired cut and

mount it in the Tool Rest, with as little overhang as

possible, securing it using three hex socket head screws

in the manner shown in FIG.6. (Ideally, the overhang

should be approx. 10mm but not more than 15mm for a

straight tool).

It is IMPORTANT to ensure that the tip of the cutting tool is on the centre line of the work, or very slightly below

it. On no account should it be above the centre line. Where necessary, shims should be used beneath the tool in

order to achieve the correct height, or, if the tip is too high, the only recourse is to select another tool or grind

down the tip.

To check to ensure the tip is at the correct height, position the tool so that the tip is almost touching the point of

the tailstock centre. They should coincide. If necessary, adjust using shims, grind down the cutting tool tip or

select another tool.

When satisfied, mount the work, either in the chuck or on a faceplate, and if necessary, use the tailstock centre

for additional support (If the work cannot be adequately secured by the chuck, or if it is a long piece, or of small

diameter). Additionally, 'Steadies' may be used which are described in greater detail under Accessories. If the

Tailstock is not to be used, you may remove it completely by slackening off the securing nut at its base and

sliding it free of the bed.

Mark the surface of the work at the point where the cut is to end, i.e. the shoulder, using a scriber or similar

means, and move the saddle so that the cutting tool is directly opposite the mark, then wind in the cross-slide so

that the tool touches the surface of the work. Whilst carrying out these manoeuvres, rotate the chuck by hand to

ensure that nothing will meet it when turning takes place, i.e. there is adequate clearance between the saddle,

cross-slide, tool post or cutting tool and the chuck.

It may be necessary to adjust the position of the compound slide or reposition the work in the chuck to guarantee

that there is adequate clearance.

When satisfied, retract the cutting tool and wind the saddle away from the headstock, then wind the cutting tool

up to the work, somewhere along the length to be cut, whilst rotating the work by hand, using the chuck.

Continue to advance the cutting tool slowly, until it just touches the surface. Record this position by zeroing the

scale on the cross-slide, i.e. turn the moveable scale until the zero marks coincide, (see diagram opposite).

Once zeroed, retract the cross-slide one complete turn, then move the saddle until the tool is a short distance

from the right-hand edge of the Work.

Wind in the cross-slide again one full turn until the zero marks again coincide.

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Mini Metal Lathe – BMLAT-05

IMPORTANT: If you go past the zero marks, back off again at least one half of a turn, then slowly bring

the marks back together. Whenever you use the scale, as an indicator, to advance the cross-slide or

compound slide, ALWAYS use this procedure to align the marks. This is to consider backlash and other

clearances in the gearing and slides etc. Continue to turn the handle an amount equivalent to your desired depth

of cut.

NOTE: We recommend that for rough cutting, you do not exceed 0.010"(0.25mm) as your depth of cut.

The setup is now complete to begin your cutting operation, but before starting, check the position of:

•

Auto feed lever. Ensure it is in the UP position for manual feed.

•

Forward/Neutral/Reverse leadscrew lever. If Auto feed is not required, set to 'Neutral'.

•

HIGH/LOW lever. Select required speed range.

Switch the machine ON as described under Starting Procedure and slowly feed the cutting tool into the work

using the Manual Feed Handle. Proceed until you reach the previously marked line on the work, then retract the

tool one or two complete turns on the Cross-Slide feed handle.

Wind the saddle back to the beginning, then wind the tool the same number of turns 'in', plus the depth of

desired cut, and proceed to cut once more.

NOTE: This describes the procedure for general, rough cutting. For other types of cuts - finishing, cutting

shoulders etc., you should consult a suitable handbook.

Simple Turning with Power Feed

The same basic setup is used as described above, except that, before starting, the Leadscrew F/N/R Lever (25)

is set to the 'Forward' position and the Auto Feed Lever (13), is operated in order to drive the saddle.

As mentioned previously, the rotational speed of the leadscrew, and hence the rate of feed of the tool, is

dependent upon the gear configuration of the gear train.

The feed rate for normal turning is considerably less than that used for screw cutting.

The lathe is factory-configured for normal turning, however, if you have been screw cutting, always remember to

reset the gear configuration to that for normal turning.

Please refer to the chart on later pages which shows the gear configuration, and the explanation of how to

change the gears on the same page.

1. Taking all precautions previously mentioned, position the cutting tool a short distance to the right of the

workpiece with the appropriate depth of cut set on the cross-slide.

2. Ensure the leadscrew F/N/R lever is set to 'Forward' and select 'Forward on the Forward/Off/Reverse switch

on the main control panel. Switch on the machine.

3. Turn the knob to achieve your desired spindle speed with your right hand, push down on the auto feed lever

until the nut becomes firmly engaged with the leadscrew.

IMPORTANT: Your left hand should always be free in order to hit the emergency stop should it become

necessary.

4. Carefully observe the movement of the tool and as it approaches the mark on the surface, denoting the end

of cut, pull the Auto Lever UP sharply and ensure it stays UP. If a degree of accuracy is required, it is

recommended that you finish the cut by hand.

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Mini Metal Lathe – BMLAT-05

NOTE: If you require a shoulder with perfectly clean corners, then you need to use an appropriately shaped

tool.

5. Retract the tool one or two complete turns on the cross-slide feed, then wind the saddle so that the tool is at

the start point once again. Advance the tool the same number of turns, plus the depth of cut, and when

ready, push down the auto feed lever and proceed to take another cut.

Bevel Cutting

Bevel cutting involves the use of the compound slide, which is mounted on the cross-slide and set at right angles

to it for all normal cutting operations. This is indicated by the zero mark, on the scale, (B Fig. 8), lining up with

the mark etched on the body of the cross-slide.

To set the compound slide so that the cutting tool will cut a bevel, first retract the slide, until the two hex socket

head screws (A) are revealed as shown in Fig 9.

Slacken the screws enough to allow the compound slide to be turned to the desired angle, as indicated on the

scale, and secure the slide in this position by retightening the hex socket head screws.

The taper, or bevel, is cut by setting the cross-slide appropriately then using the compound slide feed handle to

advance the cutting tool in the direction of the arrow, as shown in Fig. 9.

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Mini Metal Lathe – BMLAT-05

Screw Cutting

This operation requires a degree of skill and accuracy and should not be attempted unless you are completely

familiar with all aspects of the lathe.

Essentially, the saddle will move towards the headstock under power, the same as cutting using auto feed,

except the rate of feed is greater, as determined by the gear configuration. The cutting tool, therefore, is moving

ever closer to the rotating chuck. Great care and concentration must be exercised to ensure that the two do not

meet when the machine is operating, as the possible damage caused could be disastrous.

The lathe is supplied with a leadscrew that will produce Imperial Threads in a range from 12 to 52 threads per

inch or metric threads in a range from 0.4-2.0mm pitch. It is important to remember that the type of thread you

need to cut, i.e. UNF, BA, BSP, BSW etc., will be totally dependent upon the cutting tool profile, as profiles differ

from thread to thread.

For detailed information regarding screw cutting techniques, cutting tools etc., you should consult a suitable

handbook or obtain advice from a qualified person.

The general procedure for screw cutting is as follows:

1. Try to get as much distance from the chuck to the end of the proposed screw thread as possible, and if your

design allows, cut a 'run-off' into the workpiece which is of a smaller diameter than the root diameter of the

proposed screw thread.

NOTE: For long threads, it may be necessary to use 'steady’s' (see Accessories).

2. Install the appropriate gears for the thread required, and correctly mount the cutting tool. Set your required

depth of cut and position the tool ready to begin cutting.

NOTE: Depth of cut is vitally important and may be calculated or obtained from an appropriate reference

manual.

3. Take all necessary precautions previously stated and start the machine with the automatic feed lever in its'

disengaged position (UP).

4. Engage the auto-feed lever sharply, turn the FORWARD/OFF/REVERSE (F/O/R) switch (C) to 'FORWARD'.

As the tool approaches the end of the desired thread, turn the switch (C) to 'OFF'. Do not disengage the

auto-feed lever.

5. Retract the tool, using the cross-slide feed handle, noting the exact position on the scale and the exact

number of turns.

Turn the switch (C) to 'REVERSE', the saddle winds back to the beginning and turn switch (C) to 'OFF'.

Reset the tool by winding IN the cross-slide the exact number of turns previously wound OUT and then

continue to wind IN the to the desired depth of cut.

6. Repeat steps 4 and 5. Proceed in this manner until the thread is completed.

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Mini Metal Lathe – BMLAT-05

Changing Gears for Screw Cutting

The leadscrew is driven, via a gear train, by a gear on the spindle. The gear ratio will therefore determine the

rotational speed of the leadscrew with relation to the spindle. i.e. one turn of the spindle will turn the leadscrew

an amount determined by the gear ratio.

By setting the gears to a known ratio, we can therefore produce threads to a known size, and as the leadscrew

supplied produces Imperial threads, the known values will be in Threads Per Inch (TPI), or if the leadscrew

supplied produces Metric threads, the known values will be in mm pitch.

As previously mentioned, the actual thread produced will be totally dependent upon the profile of the cutting tool.

It is not within the scope of this manual to provide detailed information regarding types of cutting tool, cutting

speeds and working with various types of material etc., and it is strongly advised that you consult appropriate

handbooks or seek advice from a qualified person.

The chart below shows the thread sizes that may be cut using the gear configuration shown in the corresponding

columns.

NOTE: The factory setup for the lathe provides for normal turning using the power or auto feed, and the gear

configuration is as follows:

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Mini Metal Lathe – BMLAT-05

Gear Chart for Cutting Imperial Threads

Threads

per Inch

Gear

A B C D

12 40 30

13 40 65 60 30

14 40 35

16 40 40

18 40 45

19 40 50 60 57

20 40 50

22 40 55

24 40 60

26 40 65

28 20 35

32 20 40

36 20 45

38 20 50 50 57

40 20 50

44 20 55

48 20 60

52 20 65

Examples:

1. Ref. Fig. A

To cut 12 TPI, use 40T in position A, 30T in position D, and any convenient gear in position B to connect A

and D.

2. Ref. Fig. B

To cut 13 TPI, use 40T in position A, 65T in position B, 60T in position C, 30T in position D.

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Mini Metal Lathe – BMLAT-05

Gear Chart for Cutting Metric Threads

Gear

A B C D

0.4 20 50 40 60

0.5 20 50 60

0.6 40 50 30 60

0.7 40 50 35 60

0.8 40 50 40 60

1.0 20 60 30

1.25 50 40 60

1.5 40 60 40

1.75 35 60 30

2.0 40 60 30

Examples:

1. Ref. Fig. A

To cut 0.5mm/T, use 20T in position A, 50T in position B, 60T

in position D, and any convenient gear in position C.

2. Ref. Fig. B

To cut 0.4mm/T, use 20T in position A, 50T in position B, 40T

in position C, 60T in position D.

In order to change the gears, ensure the machine is switched

OFF and disconnected from the mains supply. Remove the gear

train cover which is secured with two hex socket head screws.

Gear A may be considered as the Driver, and Gear D as the

Driven gear.

When a Simple gear train is configured, as illustrated in Fig. At

the gear at B acts as an Idler and its size is therefore irrelevant -

any convenient gear will suffice to connect A and D. This is

denoted by a blank space in the column in the gear chart.

The positions of the shafts carrying gears A and D are fixed,

therefore all adjustments are carried out on the shaft carrying

gears Band C and the Adjuster 'A', shown in Fig. 10.

1. Unscrew the hex socket head screws, securing gears A and

D, followed by the screw securing gears B and C.

2. To allow the gears Band C to disengage completely and to provide for easier reassembly, unscrew the nut

securing the shaft carrying B and C and the nut securing the adjuster A.

3. Remove the gears, taking care to retain the small keys on each shaft, and replace with those necessary to

produce your screw thread. They may be mounted either way round.

The number of teeth on each gear is clearly marked. Replace the securing screws, ensuring the flat washer

bears up against the gear hub in each case.

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Mini Metal Lathe – BMLAT-05

NOTE: If a compound gear train is required, as shown in Fig. B, ensure the spacer, which is keyed to the

shaft carrying gear D, is located on the shaft BEFORE the gear, in order to align gear D with gear C.

4. Proceed to move the shaft carrying B and C and the adjuster 'A' so that all gears mesh correctly, then tighten

the adjuster securing nuts. This may take one or two attempts but make sure there is as little backlash as

possible without being overtight. (Turn the spindle by hand to test for backlash).

Replace the cover and secure with the two hex socket head bolts.

Maintenance

For maximum performance, it is essential that the lathe is properly maintained.

Before Use

•

Always inspect before use. Any damage should be repaired, and maladjustments rectified. Damage to

machined surfaces should be repaired with an oil stone. Test by hand to ensure smooth operation of all parts

before use.

•

Apply a few drops of oil to the oilways at both leadscrew bearings (each end bracket) and once or twice

during the day if used continuously. It will be necessary to remove the gear train cover in order to oil the left-

hand bearing.

•

Apply a few drops also to the compound slide oilway, located on the slides' top surface, between the two hex

socket head screws.

After Use

•

Remove all swarf from the machine and thoroughly clean all surfaces. If coolant has been used, ensure it

has completely drained from the tray.

•

Components should be dry, and all machined surfaces should be lightly oiled.

•

Always remove cutting tools, and store in a safe place.

Motor Brushes

The Motor brushes may be changed by unscrewing the caps, visible at the front and rear of the machine,

beneath the Headstock, as shown in Fig. 11.

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Mini Metal Lathe – BMLAT-05

Settings and Adjustments

Occasionally, it may be necessary to readjust various components in order to maintain optimum performance.

The adjustments that may be performed are as follows:

Cross-Slide Adjustments

The cross-slide is mounted on a dovetail slide, as shown

in Fig. 12. Between the sloping surfaces on one side of

the dovetail, a 'jib strip' is inserted, which may be

tightened against the dovetail under the influence of three

adjuster, or 'jib' screws, mounted along its' length.

The jib screws are to be found on the right-hand side of

the slide, directly beneath the compound slide handle. In

time, wear will occur on the mating surfaces resulting in a

'sloppiness' of action.

To adjust the jib strip, to account for wear and ensure the

slide moves evenly and smoothly, proceed as follows:

1. Slacken off all lock nuts and screw in the jib screws evenly, i.e. use the same torque for each screw. The

slide should be held firmly. Test by trying to turn the handle, but do not force it.

2. Screw out each jib screw by one quarter of a turn ONLY, and nip up the lock nuts

3. Test again, by turning the handle. The movement should be even and smooth along its complete length.

4. If the movement is too slack, screw all adjusters 'in' by one eighth of a turn, and re-try. Similarly, if the

movement is too stiff, screw 'out' the adjusters by one eighth of a turn until the correct adjustment is attained.

5. Tighten all lock nuts taking care to ensure you do not move the jib screws whilst doing so.

6. When completed. retract the slide fully and apply oil to all mating surfaces and the feed screw thread, then

wind the slide back to its normal position.

Cross-Slide Feed Handle

The cross-slide feed should run smoothly, and the scale must rotate with the handle.

If any stiffness occurs, it is probably the result of swarf lodging between the mating surfaces. Undo the securing

hex socket head screw securing the handle. Remove the handle and pull off the collar with the scale taking great

care to retain the small spring plate which sits in a groove beneath the collar.

Clean the assembly and reassemble in reverse order. It will be necessary to hold the spring plate in place with a

small screwdriver, or similar tool, and pushing down on it to allow the collar to be correctly located on to the

shaft.

Compound Slide Adjustments

Compound slide adjustments are made in the same way as those for the cross-slide. The jib screws are to be

found on the left-hand side of the slide, i.e. facing the front of the lathe.

NOTE: It is important that the cross-slide and compound slide adjustments are correctly carried out and that

there is no 'sloppiness' of action. Any maladjustments will have a serious effect on the quality of your work, as

they will all be transferred to the tool tip. It is vital that there is as little movement of the tool as possible.

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Mini Metal Lathe – BMLAT-05

Specifications

Power

400W

Input Voltage

240V/50Hz

Distance Between Centres

300mm

Swing Over Bed

180mm

Speed (High Gear)

100-2500rpm

Speed (Low Gear)

100-1100rpm

Swing Over Cross Slide

65mm

Spindle Bore

MT3

Tailstock Taper

MT2

Spindle Bore

20mm

Cross Slide Travel

65mm

Compound Slide Travel

55mm

Metric Range of Threads

0.4-2.0mm (10 Thread Pitches)

Chuck Diameter

80mm

Inch Thread (T.P.I)

12-52TPI (18 Thread Pitches)

Power Plug

Australian Standard

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Some experts believe that the incorrect or prolonged use of almost any

product may cause serious injury or death. To help reduce your risk of

serious injury or death, refer to the information below. For more information,

see www.datastreamserver.com/safety



Consult all documentation, packaging

and product labelling before use. Note

that some products feature

documentation available online. It is

recommended to print and retain the

documentation.



Before each use, check the product for

loose/broken/damaged/missing parts,

wear or leaks (if applicable). Never use a

product with

loose/broken/damaged/missing parts,

wear or leaks.



Products must be inspected and serviced

(if applicable) by a qualified technician

every 6 months. This is based on

average residential use by persons of

average size and strength, and on a

property of average metropolitan size.

Use beyond these recommendations may

require more frequent

inspections/servicing.



Ensure that all users of the product have

completed a suitable industry recognised

training course before being allowed

access to the product.



The product has been supplied by a general merchandise

retailer that may not be familiar with your specific

application or description of application. Be sure to attain

third-party approval from a qualified specialist for your

application before use, regardless of any assurances from

the retailer or its representatives.



This product is not intended for use where fail-safe

operation is required. As with any product (for example,

automobile, computer, toaster), there is the possibility of

technical issues that may require the repair or

replacement of parts, or the product itself. If the possibility

of such failure and the associated time it may take to

rectify could in any way inconvenience the user, business

or employee, or financially affect the user, business or

employee, then the product is not suitable for your

requirements. This product is not intended for use where

incorrect operation or a failure of any kind, including but

not limited to, a condition requiring product return,

replacement, parts replacement or service by a technician

may cause financial loss, loss of employee time or an

inconvenience requiring compensation.



If this product has been purchased in error when

considering the information presented here, contact the

retailer directly for details of their returns policy, if

required.

ideas, diagrams or images may be reproduced or transmitted in any form or by any means, electronic or

mechanical, including photocopying, scanning or recording, or any information storage and retrieval system,

without express permission or consent from the publisher.

BAUMR-AG TOLLATBMRA05X 400W 7"x12" Variable-Speed Mini Metal Lathe

Product's Documents

Product manual

Specifications

BAUMR-AG TOLLATBMRA05X Questions and Answers