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Operating Controls And Features; Carriage Handwheel; Cross-Feed Handwheel; Compound Handwheel - OTMT SC4 User Manual And Installation Manual

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Operating Controls and Features

Carriage Handwheel

The carriage handwheel moves the carriage
back and forth along the ways. Turning the
handwheel clockwise moves the carriage
towards the tailstock; turning it counter-
clockwise moves the carriage towards the
headstock.
Carriage Handwheel
When the carriage is moved by power feed,
the carriage handwheel may be disengaged by
pulling it towards the operator. This prevents
the handwheel from rapidly rotating and
causing a potential hazard. To re-engage the
handwheel, press it inwards while slowly
rotating it until the gears engage.
Carriage Handwheel Disengaged

Cross-Feed Handwheel

The cross-feed handwheel (also known as the
cross-slide handwheel or cross-feed) advances
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or retracts the carriage across the ways. This
motion may control the depth of a cut for a
turning or boring operation or may advance the
cutting tool across the face of a workpiece in a
facing operation.

Compound Handwheel

The compound handwheel (also known as the
compound feed) advances or retracts the
toolpost along
compound is set as indicated by the protractor.
The compound handwheel typically is used for
making short tapered cuts, limited by the range
of motion of the compound slide, and for
thread cutting operations.
Both
the
handwheels have graduated collars that can
be used to measure the movement of the
cutting tool towards
workpiece. By grasping the graduated dial
while holding the handwheel steady, the
graduated dial can be set to a zero reading to
facilitate making a cut to a specific depth.
Calibrated Handwheel Dial
9
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Cross-Feed Handwheel
the angle at which
cross-slide
and
or away from
the
compound
the

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