A-Axis Center-of-Rotation Offset (Tilting Rotary Products)

Classic Control - Mill Operator's Manual

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This procedure determines the distance between the plane of the B-Axis platter and the A-Axis centerline on tilting rotary products. Some CAM software applications require this offset value.

B on A Offset Diagram (side view): [1] A-Axis Center-of-Rotation Offset, [2] A Axis, [3] Plane of the B-Axis Platter.

A-Axis Center-of-Rotation Illustrated Procedure

  1. Jog the A Axis until the rotary platter is vertical. Attach a dial indicator to the machine spindle (or other surface independent of table motion) and indicate the platter face. Set the dial indicator to zero.
  2. Set the Y-Axis operator position to zero (select the position and press ORIGIN).
  3. Jog the A Axis 180°.
  4. Indicate the platter face from the same direction as the first indication: Hold a 1-2-3 block against the platter face. Indicate the face of the block that rests against the platter face. Jog the Y Axis to zero the indicator against the block.
  5. Read the new Y-Axis operator position. Divide this value by 2 to determine the A-Axis center-of-rotation offset value.

Be aware: Many service and repair procedures should be done only by authorized personnel. The service technicians at your Haas Factory Outlet (HFO) have the training, experience, and are certified to do these tasks safely and correctly. You should not do machine repair or service procedures unless you are qualified and knowledgeable about the processes.

Danger: Some service procedures can be dangerous or life-threatening. DO NOT attempt a procedure that you do not completely understand. Contact your Haas Factory Outlet (HFO) and schedule a service technician visit if you have any doubts about doing a procedure.

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