Grizzly G9731 - Manual (Page 47)

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Faceplate
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Failure to properly secure a workpiece to the
faceplate could cause the workpiece to be
thrown from the lathe with deadly force at
the operator or bystanders. Use a minimum
of THREE independent clamping devices to
hold the workpiece, clamp counter-weights
to the faceplate to balance it, and always use
a low spindle speed.
Figure 48.
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To mount a non-concentric workpiece to the
faceplate:
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