Standard No.:	JB/T 9101-1999
English Name:	Fan Rotor Balance
Chinese Name:	通风机转子平衡
Chinese Classification:	J72    Compressor and fan
Professional Classification:	JB    Professional Standard - Machinery
ICS Classification:	21.120.40 21.120.40    Balancing and balancing machines 21.120.40
Issued by:	State Bureau of Machine Building Industry
Issued on:	1999-07-12
Implemented on:	2000-1-1
Status:	superseded
Superseded by:	JB/T 9101-2014 Fan rotor balance
Superseded on:	2014-11-1
Superseding:	ZB J72 042-1990
Language:	English
File Format:	PDF
Word Count:	4000 words
Price(USD):	60.0
Delivery:	via email in 1 business day

This standard specifies the balance method, grade of balance quality, accuracy requirement of the balancing equipment, rectification method and reinspection of the fan rotor. This standard is applicable to the balance of the rotor or impeller of the centrifugal fan and aerofoil fan.

Foreword 1 Scope 2 Normative References 3 Terms and symbols 4 Rotor Type 5 Rotor Balancing Method 6 Accuracy of balance equipment and technological equipment 7 Calibration method and requirement 8 Denotation of balance quality grades 9 Determination for the allowable imbalance volume 10 Inspection and review of balance quality 11 Markings required by the balance in the design details Appendix A (Informative) Record Card For Fan Rotor (impeller) Balance Check