BAIJIAN - Third party testing organization
This part of Fan Yuan GB/T1800 specifies the * limit deviation values of commonly used tolerance zones for holes and shafts、 which are calculated according to the standard tolerance and basic deviation values table in GB/T1800.1. It includes the values of the upper limit deviation ES of the hole and the upper limit deviation es of the shaft、 the lower limit deviation EI of the hole、 and the lower limit deviation ei of the shaft (see Figure 1) This section applies to the dimensional elements of cylindrical and non cylindrical smooth workpieces. 2 Normative References: The clauses in the following documents are referred to in this part of GB/T1800 and become the clauses of this part. For dated reference documents、 all subsequent amendments (excluding corrected content) or revisions do not apply to this section. However、 parties to agreements based on this section are encouraged to study whether new versions of these documents can be used. For undated references、 the new version of * applies to this section. GB/T 1800 GB/T1801-2009 Geometrical Product Specifications (GPS) - Limits and Fits - Part 1: Foundations of Tolerances、 Deviations、 and Fits (ISO 286-1:1988、 MOD) GB/T1801-2009 Geometrical Product Specifications (GPS) - Limits and Fits - Selection of Tolerance Zones and Fits (ISO 1829; 1975、 MOD) GB/Z 20308-2006 Geometrical Product Specifications (GPS) - Overall Plan (ISO/TR 14638; 1995、 MOD)
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Function of testing report:
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