GB/T 145-2001

Active

Center holes

中心孔

Standard Type

GBT

ICS

25.100.30

CCS

J05

Status

Active

Issue Date

2001-07-20

Implementation

2002-03-01

Centralized Committee

中国机械工业联合会

Issuing Authority

中华人民共和国国家质量监督检验检疫总局

Application Summary AI generated

GB/T 145-2001 specifies the dimensions, types, and tolerances for center holes used in mechanical manufacturing. It is applied to workpiece positioning and support during machining operations such as turning, grinding, and inspection on lathes or cylindrical grinders. This standard ensures interchangeability and accurate alignment of components requiring rotational symmetry.

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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.