Establishing Centerline and Pass Line Height

The final step in Turkshead setup is establishing the centerline and pass line height. Before making those adjustments, confirm that the rolls are horizontal and vertical.

A square can be placed on the mill base and run up the face of the vertical rolls to confirm that they are perpendicular to the base. A cross-test level can also be used on the face of a vertical roll to verify level.

Once roll orientation is confirmed, the Turkshead can be centered. This can be done using a reference scale, a known dimension from the plate to the slide plate, or a straight line or piano wire stretched through the mill centerline.

Pass line height can also be set several ways. A precision ground straightedge  long enough to span multiple sizing passes can be used as a reference, or a height gauge can be set to the proper pass line dimension. A straight line or piano wire can also be used to establish height.

What to Check

• Centerline verification
• Pass line adjustment
• Roll orientation
• Height gauge or straight line setup
   

Watch our video below for a full demonstration:

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