GB/T 7221-1987

Abolished

Field balancing equipment--Description and evaluation

现场平衡设备的说明和评价

Standard Type

GBT

ICS

21.120.40

CCS

J04

Status

Abolished

Issue Date

1987-01-15

Implementation

1988-01-01

Centralized Committee

国家标准委

Issuing Authority

国家标准委

Application Summary AI generated

This standard specifies the description and evaluation methods for field balancing equipment used to measure and correct unbalance in rotating machinery. It is applied in industrial maintenance and manufacturing contexts, such as balancing fans, pumps, turbines, and motors directly on-site without removing the rotor from its installed bearings. The standard ensures consistent performance assessment and comparability of portable balancing instruments across testing and repair environments.

Related Standards

GB/T 12217-2005 Machines-Shaft heights GB/T 1570-2005 conical shaft ends GB/T 1569-2005 Cylindrical shaft ends GB/T 10081-2005 Straight-sided internal splines Length series GB/T 1563-2003 Taper keys--Cross section dimensions of keyways GB/T 10043-2003 Clutch--Classification GB/T 10042-2003 Clutch--Terminology GB/T 1567-2003 Square and rectangular thin keys

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.