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#OSIT!ONINGTABLE AND WORKPiECE (FIG.T. U)
Always p_ace a piece of pack up matedal _1} _wood,
plywood) on the _bb underneath the workoiece [2I,
This wi_ preven_ splintering on l_heunder:side ot _he
workp_ece as the dri_ bit breaks throug#_
Te keep the workpiece from s_inning eu! of contro_ one
end o__tmus_touch the _eftsmde(3) of the column (4) as
itfu_;trated,or lhe _e_ce pr_ded should be used and the
workpiece must be clamped to the lab{e.
li-3 preven_ _he workpiece or the backup material from
b,_n9 _ornfrom _'_urhand whie dritlin#_ pesit_on_hem to
he e_t side d the column if the _rkpieee or the backup
nae;d are not _oeg enough to _ach the column use
tf_®fu_{e prey ded and damp them _othe table Failure
to de _hs could result in personal iniury.
Fo_small i ieces that cannot be'clamped _othe
_;{ble use a dr_l _ress vise (optional accessory). The vise
mus be c_amped or bol_d to the table _ avoid injury.
G_NERAL DRILLING GUIDELINES
NOTE: Use scrap matena_ to get the feel of _hemachine
before attempting regular work.
Drilling spuds
Im_rtant drilling speed _actors:_y_ df r_teda_ hole s_ze,
type of dn:l_bit or cutter_desired eu_quality. Remember the
srr_aHerthe dril_bit, the greater _he[e_,_uiredspeed. When
ddlling sof_ materials, the speed required is grea_er than
mat required for hard materials.
Metal working
A meta! workp_ece shoufd be clamped down securely.
Never ho_d ]zwith ,/our bare hands: the drill bi'l may seize
the wo_kpiece and cause you serious injury,The drill b_t
may also break '- the metal workpiece hits the colamn.
Ctamp wor_ firmly', any ti_ting, Itwis_ing,or shifting resuRs
not only _n_ rough hO_e but _ne_eases_hepotential of
dfit] b_:breakage. _fthe me}[a_pi_e is #at. 3_acea piece
of wood un _er i_to prevent it from turning. It the piece is
an irregular Shai deand cannot be _aid flat on tl_e table _t
should be securely blocked and c_arnped.
Wood working
Metal piercing twist dr_l_bits may be used on woe& but
brad po,int bits are prePcrab,e,
Do not use auger bRs: _hey_um so rap_dl_ that the
workpie¢_ is !i_ed off the _ble arid whided around To drill
completely _h_oughthe wo[kpi_e, iine the _e up SO_he
bit will en_er the center ho_e Feed _low]y when the bit is
a_ut to cut _hrough the wo_ _opreve_ splinteringo
Use a scrap pie_ d wood _ora ba_ _o_ under the work;:
_ 'will he b to reduce spiintedng and pro_ec_:the _int d
thebit,
Pufl down on the bed handies with enough brce to allow
'ihe dr#i to c_t. Feeding too rapidly might: sta_ _he motor,
cause the be_ Gos_ip,damage the workpiece, or break the
drill biL Feeding too sbw_y wiii cause the dri_ bit to heat
up and burn theworkpiece
14
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