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GB/T 4020-1997Acceptance conditions for general purpose parallel lathes. Testing of the accuracy (English PDF)

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Issued by

State Bureau of Technical Supervision

Level / Type

National · Recommended

Issue date

April 7, 1997

Implementation date

October 1, 1997

Scope

GB/T 4020-1997 (Acceptance conditions for general purpose parallel lathes. Testing of the accuracy) is available as an English-translated PDF.

GB/T 4020-1997 — This standard specifies the horizontal lathe geometric accuracy and precision test and the corresponding tolerance.

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Document preview — GB/T 4020-1997

National Standard of the People's Republic of China

ICS: 25.080.10
Classification: J 53
Replacing: GB 4020-1983; GB 4021-1983

Issued by: State Bureau of Technical Supervision

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

This standard specifies the horizontal lathe geometric accuracy and precision test and the corresponding tolerance. This standard is used only for testing the accuracy of the machine, not for running tests (vibration, unusual noise, moving parts, crawling, etc.) of the machine, or the machine parameter checking (speed, feed rate, etc.), these checks should testing of the accuracy ago.

Document data

International classification (ICS): 25.080.10.

Chinese classification (CCS): J53.

Estimated length of the Chinese original: 13,112 words.

Adopted international standard: ISO 1708-1989, MOD.

Supersedes the earlier edition GB 4020-1983; GB 4021-1983.

Standards quoted by this document

GB 192-1982; GB 1985-1980; JB 2670-1982

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 9 pages — is available in the English PDF.

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