"(%"
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Setting Spindle
Speed
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Calculating Spindle Speed
1.
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Figure 36
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Cutting Speeds for High Speed Steel (HSS)
Cutting Tools
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+%
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*%
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(%%"-%%
LddY
(%%"*%%
Note:
For carbide cutting tools, double the cutting
speed. These values are a guideline only. Refer to
the MACHINERY'S HANDBOOK for more detailed
information.
Figure 36.
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2.
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3.
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Adjusting Spindle Speed
1.
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OFF
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2.
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XjaViZY[dgndjgldg`e^ZXZ#
Range
RPM
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Figure 37.
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NOTICE
To avoid damage to the drive system, make
sure the spindle motor is turned
OFF
and
the spindle is stopped BEFORE you change
the
spindle speed range
.
3.
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idlVgYi]Z]ZVYidgZigVXii]ZadX`^c\e^cVcY
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Figure 38
#
Note:
Move the handle to the
forward
posi-
tion for the
high
range, and to the
rear
posi-
tion for the
low
range.
As you move the selector handle, it may be
necessary to rotate the spindle by hand to jog
and mesh the gears.
Figure 38.
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He^cYaZHeZZY
GVc\ZHZaZXidg
