Zeroing The Cutter - Vision VE810 S5 User Manual

52 Vision VE810 S5 User Manual
5.2

Zeroing the Cutter

Zeroing Cutters
(Refer to the diagram on the following page)
Zeroing Cutters for Top-Loaded Spindles
1. Turn the micrometer to zero. This provides a starting point and reference for setting the depth
accurately. It's important to note that the micrometer should be threaded onto the spindle housing
sufficiently to prevent excessive play in the micrometer and nosecone. If there are too few threads
holding the micrometer in place it will move during the engraving process. The best starting position is
3 or 4 complete revolutions from the top.
2. With the appropriate cutter installed in the spindle, loosen the setscrew in the brass cutter knob with
a spline wrench (commonly referred to as the cutter wrench). CAUTION: When you loosen the
setscrew in this step, the cutter may easily fall out of the spindle and can cause cutter tip damage.
Use one hand to hold the cutter before loosening.
3. Gently place a piece of metal against the bottom of the nosecone so as to push the cutter even with
the bottom of the nosecone. Now the cutter should be flush with the nosecone.
4. Tighten the cutter knob setscrew. Your cutter is now "zero'ed". Rotating the micrometer to the right
will increase the depth of the cut. Each click of the micrometer = .001". A full revolution is .025".
Zeroing Cutters for the optional Top and Bottom Loaded Collet Spindles
The collet spindle can be used with either top loaded or bottom loaded cutters.
1. To install a top loaded cutter in the collet spindle, first set the micrometer to zero.
2. Loosen the knurled draw bar on the top of the spindle slightly.
3. Remove the cutter knob from the cutter, and slide the cutter into the spindle.
4. Place a piece of flat material against the bottom of the nosecone and lower the cutter until it rests
against the material.
5. Tighten the draw bar around the cutter. Make sure it is tight. The draw bar must be tightened before
the cutter knob is installed, as the cutter will slightly rise in the spindle assembly when the draw bar
is tightened.
6. Re-attach the cutter knob to the top of the cutter and screw it in counterclockwise until secure. Be
careful when turning the cutter knob into the draw bar. Counterclockwise is the direction to loosen the
draw bar. Hand tighten the cutter knob only - do not use pliers or wrenches! Tighten the cutter knob
setscrew. The cutter depth can be increased by turning the micrometer to the right. Note: If using 2"
short cutters, install them from the bottom. Use the draw bar on the top of the spindle to tightly
secure the cutter.
A solid collet, if purchased, can be installed in place of the split collet for burnishing. Install the collet in
the bottom of the spindle and tighten the draw bar firmly. The spindle now acts as a normal top loaded
spindle for ease of operation. The split collet can be reinstalled when required.
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