GB/T 21012-2007Precision machining centers - Specifications (English PDF)
精密加工中心 技术条件
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
July 26, 2007
Implementation date
December 1, 2007
Scope
GB/T 21012-2007 is the English-translated version of 精密加工中心 技术条件.
GB/T 21012-2007 is the Chinese standard "Precision machining centers - Specifications". Its scope clause reads: This standard specifies the precision machining centers and inspection requirements.
This standard applies to linear axis stroke of 2000mm precision machining centers. Linear axis stroke exceeds 2000mm precision machining center can also refer to use. Its clauses include technical requirements.
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Document preview — GB/T 21012-2007
National Standard of the People's Republic of China
- ICS
- 25.040.10
- Classification
- J 54
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Technical requirements
- 3.1 Overview
- 3.2 Accessories and tools
- 3.3 Safety and Health
- 3.4 processing and assembly quality
- 4 Inspection and Acceptance
- 4.1 Overview
- 4.2 General Requirements
- 4.3 Visual inspection
- 4.4 Accessories and tools
- 4.5 parametric tests (checks)
- 4.6 Machine dry run test
- 4.7 Machine continuous dry run test
- 4.8 load test machine
- 4.9 Minimum setting unit test
- 4.10 point return Test
- 4.11 10 machine accuracy test
- 5 packaging and accompanying documents
1 Scope
This standard specifies the precision machining centers and inspection requirements.
This standard applies to linear axis stroke of 2000mm precision machining centers.
Linear axis stroke exceeds 2000mm precision machining center can also refer to use.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB 5226.1-2002 Safety of machinery electrical equipment Part 1. General requirements (IEC 60204-1.2000,
IDT)
GB/T 9061-2006 General technical conditions for metal cutting machine tools
GB 15760-2004 Metal-cutting machine tool safety general technology condition
GB/T 16769-1997 Metal-cutting machine noise level measurements
GB/T 17421.2-2000 Test code for machine tools - Part 2. CNC axis positioning accuracy and repeatability of determination (Eqv ISO 230-2.1997)
GB 18568-2001 processing center security and technical conditions
GB/T 20957.1-2007 Test conditions for precision machining centers - Part 1. horizontal spindle and with geometric precision inspection machine head
Test (horizontal Z-axis) (ISO 10791-1.1998, MOD)
Universal vertical spindle head or with vertical primary rotary axis. GB/T 20957.2-2007 Test conditions for precision machining centers - Part 2
Geometric tests for machines (vertical Z axis) (ISO 10791-2.2001, MOD)
GB/T 20957.4-2007 Test conditions for precision machining centers - Part 4. Positioning precision linear and rotary axes, and constant repetition
Bit accuracy test (ISO 10791-4.1998, MOD)
GB/T 20957.5-2007 Test conditions for precision machining centers - Part 5. Clamp the workpiece pallet positioning accuracy and repeatability of positioning
Accuracy test (ISO 10791-5.1998, MOD)
GB/T 20957.7-2007 Test conditions for precision machining centers - Part 7. Finishing accuracy test specimens (ISO 10791-7.
1998, MOD)
JB/T 5561-1991 Metal Cutting Machine conical surface coloring method test and evaluation
JB/T 9872-1999 Metal cutting machine tools, machining parts General technical conditions
JB/T 9873-1999 Metal Cutting Machine welded General technical requirements
JB/T 9874-1999 Metal Cutting Machine Assembly General technical conditions
Preparation of JB/T 9875-1999 Metal Cutting Machine random technical documents
Determination of JB/T 9877-1999 Metal Cutting Machine cleanliness
JB/T 10051-1999 Metal Cutting Machine Hydraulic System General technical conditions
3 Technical requirements
3.1 Overview
This standard is GB/T 9061, JB/T 9872, JB/T 9874 and other standards specific and complementary. When the machine according to the standards of acceptance, should […]
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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.
Referenced standards
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