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JB/T 11576.1-2025CNC polygon lathe - Part 1: Testing of the accuracy (English PDF)

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Recommended

Issue date

December 17, 2025

Implementation date

July 1, 2026

Scope

JB/T 11576.1-2025 (CNC polygon lathe - Part 1: Testing of the accuracy) is available as an English-translated PDF.

JB/T 11576.1-2025 — This standard specifies the requirements for transmission type, geometric accuracy, positioning accuracy, repeatability, and working accuracy of CNC multi-face cutting lathes, describes the corresponding testing methods, and specifies the inspection items.

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Document preview — JB/T 11576.1-2025

National Standard of the People's Republic of China

ICS: 25.040.20
Classification: J 53
Replacing: JB/T 11576.2-2013

Issued by: Ministry of Industry and Information Technology

What this standard covers1
Document data2

What this standard covers

This standard specifies the requirements for transmission type, geometric accuracy, positioning accuracy, repeatability, and working accuracy of CNC multi-face cutting lathes, describes the corresponding testing methods, and specifies the inspection items. This standard applies to the accuracy inspection activities of CNC multi-face cutting lathes with spindle output shaft drive, universal joint drive shaft drive, and CNC axis combined drive types, with a maximum bar diameter up to 50mm.

Document data

International classification (ICS): 25.040.20.

Chinese classification (CCS): J53.

Supersedes the earlier edition JB/T 11576.2-2013.

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

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