Metal working – Method of mechanical manufacture – Repairing
Patent
1992-05-05
1993-12-07
Eley, Timothy V.
Metal working
Method of mechanical manufacture
Repairing
29447, 29559, 269287, B23P 602, B23P 1102, B23Q 314
Patent
active
052673847
ABSTRACT:
A toolholder guide for punch blocks, turrets, and the like, including a toolholder bore machined to accept an internal sleeve of wear resistant metal sized for reciprocal motion of the toolholder. The sleeve is installed compressed within the bore, and provides a close clearing radius with the body of the toolholder, so that the toolholder is accurately centered and guided. The inside of the sleeve is finally machined in compressed condition using a bore-simulating holding mandrel. The finally machined sleeve is shrunk for final installation into the turret bore using liquid nitrogen. The sleeve is adapted for toolholders having bodies with protruding keys or for toolholders with longitudinal keyway slots.
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Eley Timothy V.
Nguyen Khan V.
Osburn A. Ray
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