GB/T 33149.2-2016CNC heavy duty vertical turning and milling lathes with movable single column—Part 2: Testing of the accuracy (English PDF)
数控重型单柱移动式立式铣车床 第2部分：精度检验
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
October 13, 2016
Implementation date
May 1, 2017
Scope
GB/T 33149.2-2016 is the English-translated version of 数控重型单柱移动式立式铣车床 第2部分：精度检验.
GB/T 33149.2-2016 is the Chinese standard "CNC heavy duty vertical turning and milling lathes with movable single column—Part 2: Testing of the accuracy".
Its scope clause reads: This part of GB/T 33149 specifies the geometric accuracy, work accuracy and axis positioning of CNC heavy duty single column mobile vertical milling machines Accuracy test and the corresponding tolerance.
This part applies to the turning diameter of not less than 10000mm CNC heavy single column mobile vertical milling machine. Its clauses include normative reference documents.
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Document preview — GB/T 33149.2-2016
National Standard of the People's Republic of China
- ICS
- 25.040.20
- Classification
- J 53
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 4 General requirements2
- 4.1 Unit of measurement2
- 4.2 Implementation Criteria2
- 4.3 Temperature conditions2
- 4.4 Test sequence2
- 4.5 Test items2
- 4.6 Inspection Tools2
- 4.7 Minimum Tolerance2
- 4.8 work accuracy test2
- 4.9 positioning accuracy2
- 5 Geometric accuracy test3
- 5.1 Workbench3
- 5.2 beams6
- 5.3 vertical turret8
- 5.4 column13
- 5.5 side turret14
- 6 CNC positioning accuracy and repeat the accuracy of the test18
- 7 working accuracy23
1 Scope
This part of GB/T 33149 specifies the geometric accuracy, work accuracy and axis positioning of CNC heavy duty single column mobile vertical milling machines
Accuracy test and the corresponding tolerance.
This part applies to the turning diameter of not less than 10000mm CNC heavy single column mobile vertical milling machine.
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
GB/T 17421.1-1998 General rules for machine inspection - Part 1. Geometrical accuracy of machine tools under no load or finishing conditions GB/T 17421.1-1998
GB/T 17421.2-2016 General rules for machine inspection - Part 2. Determination of positioning accuracy and repeatability of NC axes
3-axis code
The axis code is shown in Figure 1.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 24 pages — is available in the English PDF.
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