14
MAGNET
MOTOR
push
push
Fig. 24
Fig. 25
5HPRYLQJ6OXJ
Don’t proceed to the next operation without
UHPRYLQJWKHVOXJIURPWKHRSHUDWLRQMXVWÀQLVKHG
At the end of drilling operation slug will pop out
DXWRPDWLFDOO\HMHFWHGE\WKHVSULQJRSHUDWHG3LORW
Pin. Should a slug left in the hold sticking, remove
it from the hole by tapping the collar of the slug
with a needle stick or something. (Fig.26)
Pilot Pin
Slug (Chips)
Thin punch
Cutter
Slug
Flange part
Fig. 26
'ULOOLQROH
CAUTION
$OZD\VGULOOREORQJKROHVORZO\
Drill oblong hole in the order of
①
,
②
,
③
. For the
steps
②
and
③
, take care so that the cutter may not
be fed into the workpiece with too much force.
Spacing between each step of drilling operations
should be so arranged that the Pilot Pin will always
hit the material yet to be machined. (Fig.27)
File away any excesses
Fig. 27
'ULOOLQJ6WDFNHG3ODWHV
CAUTION
●
5HPRYH VOXJ DV HDFK SODWHG LV ILQLVKHG
RWKHUZLVH EHLQJ EORFNHG E\ WKH VOXJ OHIW
XQUHPRYHGWKHFXWWHUFDQQRWFXWLQWRWKHQH[W
OD\HURISODWHZKLFKUHVXOWVLQWKH0DJQHWEDVH
EHLQJSXVKHGXSSRVVLEO\FDXVLQJDFFLGHQW
●
)RU VWDFNHG SODWHV GULOOLQJ DOZD\V IHHG DQG
GULOOVORZO\DQGFDUHIXOO\
●
%HIRUHGULOOLQJVWDFNHGSODWHVVHFXUHO\FODPS
WKHSODWHVWRJHWKHULQSODFH
●
:KHQGULOOLQJVWDFNHGSODWHVUHWUDFWWKHFXWWHU
DV HDFK OD\HU RI SODWH LV ILQLVKHG LQ RUGHU WR
UHPRYH VOXJ IURP WKH GULOOLQJ DUHD WKHQ SXW
DQRWKHUKROHLQWKHQH[WOD\HURISODWH
