4088 User 's Guide

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User's Guide — 3

USING THE MACHINIST CALC PRO 2 .................................15

U.S./METRIC MODES ...........................................................15

MATERIALS, PROCESSES AND TOOLS .............................15

Materials .............................................................................15

Processes ...........................................................................16

Tools ...................................................................................17

RPM (SPINDLE SPEED) .......................................................17

RPM – Basic .......................................................................17

RPM – Face Milling ............................................................18

RPM – End Milling ..............................................................19

FEED RATE – IPM ................................................................. 20

Feed Rate – Based on Cutting Feed and RPM

(for Turning) ........................................................................21

Feed Rate – Based on Cutting Feed and RPM

(for Drilling) .........................................................................21

Feed Rate – Based on Feed per Tooth, RPM and

# of Teeth ............................................................................22

Feed Rate – End Milling .....................................................23

CUTTING SPEED - SFM .....................................................25

Cutting Speed – Turning .....................................................25

Cutting Speed – End Milling ...............................................26

Cutting Speed – Drilling ......................................................27

FEED PER TOOTH/CHIP LOAD - IPT ..................................28

Feed per Tooth – Based on Cutting Feed and # of Teeth ...28

Feed per Tooth – Based on Feed Rate, RPM and

# of Teeth ............................................................................29

Feed per Tooth – Face Milling ............................................29

CUTTING FEED – IPR ......................................................... 31

Cutting Feed – Based on Feed per Tooth and # of Teeth ... 31

Cutting Feed – Based on Feed Rate and RPM ..................32

Cutting Feed – Turning .......................................................33

DRILL SIZES ........................................................................34

Numeric Drill Size Entry ...................................................... 34

Letter Drill Size Entry ..........................................................35

Inch Drill Size Entry ............................................................36

Millimeter Drill Size Entry .................................................... 37

DRILL POINT ........................................................................37

THREAD SIZING .................................................................. 38

INTERNAL THREAD ............................................................39

3844-UG4088E-E.indd 33844-UG4088E-E.indd 3 11/18/2022 6:50:11 AM11/18/2022 6:50:11 AM

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User 's Guide - Page 3