Plotter Adjustment 61
Theta Axis (Tool Rotation) Adjustment
SYMPTOMS
! Letters have jagged edges.
! Letters have closure problems of less than 1/32".
! The tool loses position in the middle of a job.
OBJECTIVE
To center lift fork over carriage spindle bore; to align tool holder in
carriage spindle.
ADJUSTMENT PROCEDURE
1. Remove any tool from the carriage spindle.
2. Turn on power at the plotter.
3. After the carriage spindle initializes, look down at the lift fork and
carriage spindle from directly above. The half circle of the lift fork
should be centered with respect to the carriage spindle. If it is, go to
step 12.
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