JB/T 15625-2026NC self-centering steady rest (English PDF)

JB/T 15625-2026 is the English-translated version of 数控自定心中心架.

JB/T 15625-2026 covers NC self-centering steady rests, the numerically controlled supports that hold long workpieces on a lathe and centre them automatically while they are machined. The document treats the steady rest as a product and deals with the requirements for it and the way they are checked.

Lathe and machine tool manufacturers, makers of accessories and fixtures, machine users and inspection staff can use it. The standard is voluntary and was issued under the Ministry of Industry and Information Technology. It was issued on 1 June 2026, applies from 1 December 2026, and is a new standard.

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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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