JB/T 15457-2026Minitype precision planetary reducer (English PDF)

JB/T 15457-2026 is the English-translated version of 小型精密行星减速器.

JB/T 15457-2026 covers small precision planetary reducers. A planetary reducer is a speed-reducing gear unit built around a sun gear, planet gears and a ring gear, and the document applies to the small, precision type. It sets out the requirements for these reducers as a product.

The standard is used by reducer manufacturers, by makers of motors, automation equipment and other machinery who build them in, by buyers, and by test laboratories. It is a voluntary industry standard (JB/T), issued by the Ministry of Industry and Information Technology on 28 April 2026 and effective from 2 November 2026. It is a new standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 36 pages — is available in the English PDF.

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