Definition

• Shimming.  Raising the lower die by inserting thin pieces of metal, shims, or thicker pieces, shoes, between the bed of the press and the die. This is necessary only on knuckle-joint presses and is a function of setup performed by the pressman with the approval of the pressroom foreman.

  excerpted with permission from

  An Encyclopedia of Coin and Medal Technology

  For Artists, Makers, Collectors and Curators

  COMPILED AND WRITTEN BY D. WAYNE JOHNSON

  Roger W. Burdette, Editor

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