Acer e-mill 3VK, Руководство по эксплуатации

Страница: 101 / 203

- 100 -
For 3VS, 3VSII & 3VK For 3VKH, 5VK & 6VK
Figure 17 . Knee clamping lever
6-17. Operation Recommendations
Use 2, 3, or 4 flute end mills. Eight flute end mills are usually not as satisfactory
for general milling. When using shell mills, face mills or any other tooling, proper
machining practice should be observed.
For 3VS, 3VSII, 3VK & 3VKH
Power quill feed can be used for drills up to
3
/
8
” diameter in mild tool steel.
Overload clutch is preset to hold up to 200 lbs. down pressure on quill. Use manual
feed for drills over
3
/
8
”.
For 5VK & 6VK
Power quill feed can be used for drills up to
5
/
8
” diameter in mild tool steel.
Overload clutch is preset to hold up to 300 lbs down pressure on quill .
CAUTION
THIS CLUTCH SHOULD N OT BE TAMPERED WITH IN
THE FIELD
CAUTION
DO NOT TRY TO CHANGE SPINDL E SPEED ON E -
MILL VARISPEED HEAD UNTIL MOTOR IS RUNNING.
THIS COULD CAUSE PAR TS TO BREAK.
Spindle Feeds are adjusted b y turni ng variable resistor on the front of the belt
housing. There are two ranges shown; 60 to 500, and 500 to 45 00.
60 to 500 RPM is obtained through the back -gear drive and is referred to as low
range. To engage the back -gear, use the lever marked HI -NEUTRAL -LO on the
right side of the head. Move this lever to the “LO” position and use low range on
the variable speed dial.