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DIN 988

1990 Edition, March 1990

Complete Document

Shim rings and supporting rings

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Product Details
Document History

Detail Summary

Active, Most Current

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Product Details:

  • Revision: 1990 Edition, March 1990
  • Published Date: March 1990
  • Status: Active, Most Current
  • Document Language: English
  • Published By: Deutsches Institut fur Normung E.V. (DIN)
  • Page Count: 6
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

Scope and field of application

Shim rings are designed to prevent machine components from moving axially. The preferred application of these rings is to compensate for the play of such components where secured by circlips as specified in DIN471 and DIN472, DIN 983 and DIN 984 or lock washers as specified in DIN 6799. Shim rings may only be used where the contact faces are smooth. They shall lot suffer any deformation when used with components that have rounded edges (shaft collars, stepped holes).

Supporting rings are intended for use with circlips or lock washers to ensure that do not deform when subjected to excessive 3xial forces as may be expected where the edges of machine components are rounded or chamfered.

Supporting rings may be used in combination with shim rings.