Alignment pin for tube squaring machine
AssigneeThe E. H. Wachs Company
InventorWilliam Bonow
Life of this patent
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Abstract
An alignment pin has a first cylindrical portion having a first diameter equal to the outer diameter of a work piece, and axially aligned therewith is a second cylindrical portion having a second diameter equal to the inner diameter of a work piece. The pin is inserted into a tube squaring machine to align the cutting tool of the machine for squaring a work piece having outer and inner diameters equal to the first and second diameters of the pin.
Claims2
The method of aligning a tool in a machine for working a tubular work piece having a given outer diameter and a given inner diameter, said machine having an axially movable shaft with a tool retainer at one end thereof, said tool retainer having releasable means for locking a tool in said tool retainer, and means for retaining said tubular work piece in axial alignment with said shaft, the method comprising,
- providing an alignment pin having a first cylindrical portion having an outer diameter substantially equal to said given outer diameter and a second cylindrical portion having an outer diameter substantially equal to said given inner diameter,
- retaining said alignment pin in said means for retaining with said second cylindrical portion extending towards said tool retainer,
- inserting a tool in said tool retainer with said means for retaining in a release condition,
- axially moving said shaft and said tool retainer toward said means for retaining until said tool is bottomed in said tool retainer, and
- locking said tool in said tool retainer.
Dependencies are inferred from the claim text.