Sharp VH-25 Series Operator's Manual page 10

3、 Quill feed :
a. Manual feed :
Turn the feed rate selector to any of the two "DUMMY" position.
Engage feed trip lever from (B) to (B')
The quill is now under handwheel (G) control
b. Automatic feed :
Ensure quill lock is off (C)
Set micrometer dia to required depth, (D)
Engage Feed Clutch Selector (E)
Select feed rate, (A)
Engage feed trip lever (B) to (B')
The feed will automatically trip out at a depth within 0.2mm.
Note :
1. To interrupt power feed, just press down the disengagment lever (F).
2. Maximum drilling capacity in automatic feed is 3/4" (19mm).
3. The power feed transmission engagement crank shall be placed at "OUT"
position when the automatic feed is not in operation. Do not move power feed
transmission engagement crank when the spindle is in revolution.
4. Do not use automatic feed when the turning speed is in excess of 3,000RPM.
5. Do not change the feed speed optionally by means of quill speed selector druing
the revolution.
6. Lock up the quill lock of quill for far better milling surface when the unit is not
making the manual or automatic feed.
G
FIG.4
E
A
B'
B
OPERATOR'S MANUAL
H
D
C
F
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