JB/T 11746-2013Superhard composite reamers (English PDF)

JB/T 11746-2013 is the English-translated version of 超硬复合铰刀.

JB/T 11746-2013 is the recommended Chinese machinery industry standard for superhard composite reamers. It covers both the straight shank and the Morse taper shank versions of the tool, fixing their types and their dimensions, the technical requirements they have to meet, and the basic requirements for marking and packaging. It applies to reamers used for machining stepped holes in engine cylinder heads. The document is classified J41 in the Chinese system and 25.100.30 in the international one, and it was issued by the Ministry of Industry and Information Technology. Among the standards it quotes are GB/T 1443, GB/T 4246 and GB/T 1800.2.

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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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