QC/T 748-2006Bench test method for accelerated valve and valve seat wear of automotive engines (English PDF)
汽车发动机气门-气门座强化磨损台架试验方法
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
March 7, 2006
Implementation date
August 1, 2006
Scope
QC/T 748-2006 is the English-translated version of 汽车发动机气门-气门座强化磨损台架试验方法.
QC/T 748-2006 is a recommended standard of the Chinese automotive industry and gives a bench method for the accelerated wear testing of engine valves and valve seats.
It sets out the terms and definitions used, the test equipment, the preparation of the samples, the test procedure and the processing of the results. Its field of application is the accelerated bench testing of valve and valve seat wear in automotive engines.
QC/T 469-2002 is the standard it quotes. It carries the Chinese classification T13 and ICS 43.060.20. Issued on 7 March 2006, it has applied since 1 August 2006.
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Document preview — QC/T 748-2006
National Standard of the People's Republic of China
- ICS
- 43.060.20
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 2 Normative references
2 Normative references
QC/T 748-2006 cites the following standards, which apply in full or in part through the references made to them in its clauses.
QC/T 469-2002
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
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