JB/T 1271-2014Shaft forgings for AC and DC electric machines - Technical specification (English PDF)

JB/T 1271-2014 is the English-translated version of 交、直流电机轴锻件 技术条件.

Shaft forgings for AC and DC electric machines are dealt with in JB/T 1271-2014, a recommended technical specification of the Chinese machinery industry under classification J32. It sets out what has to be stated when such forgings are ordered, the manufacturing process, the technical requirements, the inspection rules and test methods, and the inspection and quality certificates that accompany delivery. It applies to shaft forgings ordered for alternating and direct current electric machines. Its references are largely analytical and mechanical: the chemical analysis series GB/T 223.9 and GB/T 223.11 onwards, GB/T 228.1, GB/T 229, GB/T 4336, GB/T 20066, JB/T 8467 and JB/T 8468. It supersedes JB/T 1271-2002. Issued on 9 July 2014, it has applied since 1 November 2014.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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