SECTION 4: ADJUSTMENTS
Cable Tension
The movement of the carriage assembly along the body of the Copy Attachment is controlled by the movement of the
The cable can be tightened by loosening the bolt at the control rod. See Figure 8. The cable should then be pulled snugly, but not so tight that stress is placed on the cable. Once snug,
Figure 8. Adjusting carriage cable tension.
The goal of gib adjustment is to provide as little play as possible between the carriage and the bed while still allowing free movement of the car- riage.
There are eight adjustment locations: 2 on the front of the carriage, 2 on the back and 4 under- neath.
To adjust the gibs:
1.Loosen the lock nut(s) and and loosen or tighten the setscrews with the 3mm Allen® wrench.
2.Slide the carriage back and forth to test for binding and re-adjust until the carriage travels smoothly, without binding or excess wobble.
3.When adjustments are complete, tighten the lock nuts while maintaining the setscrew position with the Allen® wrench. See Figure 9. Re-test after tightening.
Gib Adjustment
Figure 9. Adjusting the gib tightness.
The carriage slides along the Copy Attachment bed on brass strips called gibs. These gibs are the means by which you adjust the amount of friction or play between the carriage and the bed.
G2891 Lathe Copy Attachment |
