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tolerance

  • Author:Memory
  • Source:www.xy-global.com
  • Release on :2017-10-11
The amount of permissible fluctuation of the actual parameter value. Parameters, including mechanical processing of geometric parameters, including physical, chemical, electrical and other disciplines parameters. So tolerance is a widely used concept. For mechanical manufacturing, the purpose of making tolerances is to determine the geometric parameters of the product, so that the amount of change within a certain range, in order to achieve interchange or with the requirements.
Machine design and manufacturing, the mechanical or mechanical parts of the actual parameters of the allowable changes in the amount of change, such as a product specifications upper and lower limits were 100,60, then its tolerance is 40; if the upper and lower limits were +100, -100, Then its tolerance is 200.

The above parameters, including the geometric parameters of mechanical processing, including physical, chemical, electrical and other disciplines parameters. So tolerance is a widely used concept. For mechanical manufacturing, the purpose of making tolerances is to determine the geometric parameters of the product, so that the amount of change within a certain range, in order to achieve interchange or with the requirements.

Tolerances of geometric parameters are dimension tolerances, shape tolerances, position tolerances, and so on.

Tolerance series tolerance. Refers to a constant derived from a series of equal numbers, which is called the tolerance of the difference series