GB/T 20957.7-2007 in English

VALID

Test conditions for precision machining centres—Part 7: Accuracy of a finished test piece

Issued on:2007-07-30
Implemented on:2007-11-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $120.00
$117.00

Standard No:	GB/T 20957.7-2007
Document status:	VALID
Title in English:	Test conditions for precision machining centres—Part 7: Accuracy of a finished test piece
Title in Chinese:	精密加工中心检验条件第7部分：精加工试件精度检验
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2007-07-30
Implemented on:	2007-11-01
ICS Classification:	25.080.20-Boring and milling machines
Chinese Classification:	J54-Drilling, boring and milling machine
Professional Classification:	GB-National Standard
Related Keywords:	finished test piece scopethis part test conditions precision machining centres precision machining centers standard test pieces
Related Topics:	astm precision Precision Repeatability Accuracy Precision test Repeatability test Intermediate precision calculation Analytical Inner Precision Precision Verification Precision Repeatability Intermediate Precision Precision Verification Precision repeatability test OEM testing How to test the density cup Imprecision Inspection Center Testing Center Process Analytical experimental precision acceleration condition Repeatability test precision day-to-day precision intermediate condition test english intra-day precision day-to-day precision Accelerate intermediate conditions International Testing Center Lean intermediate acceleration condition classification accuracy Inspection and testing center plan sperm centrioles Machining Inspection Machining inspection Rapid precision machining intermediate condition accelerated condition Inter-assay precision Accelerated test intermediate conditions UV precision test UV precision experiment precision test Inspection accuracy Testing center work Inspection accuracy Precision Moisture precision test Precision and Intermediate Precision Precision and Intermediate Precision Precision Machining precision test precision test Precision verification batch-to-batch product in precision Interday precision and intraday precision Intra-day precision and inter-day precision intra-day precision day-to-day precision Instrument precision Definitions of intraday precision and interday precision Intermediate precision verification Method precision and intermediate precision Test center file Classification of testing centers How to Calculate Intermediate Precision repeatability intermediate precision Accelerated test intermediate conditions Systematic precision and intermediate precision Metal Precision Processing period precision total imprecision classification accuracy intermediate precision method precision Method validation precision test. Inspection precision Validation precision Intra-assay precision and between-assay precision GB/T 20957.7 GB/T 20957.7-2007 Interday precision and intraday precision Inspection and Testing Center Spring Laser processing accuracy Specimen Between-day precision and intraday precision practices Inspection and Testing Center Experimental Procedures Day-to-day precision and batch-to-batch precision Within-batch precision and day-to-day precision finishing Precision of detection method Vertical machining center accuracy inspection Methodological validation of intermediate precision National inspection standard test piece for machining center National test piece for machining center Machining center inspection parts Intermediate precision accepted Intermediate precision of related substances National precision inspection of gantry machining center Machining center test piece accuracy Accelerator isocenter accuracy Method validation precision medium low high Core temperature detection Standard Deviation Imprecision Precision Detection method precision Flat pad processing accuracy is first level Precision testing method Steel density test

《GB/T 20957.7-2007精密加工中心检验条件第7部分：精加工试件精度检验》由TC22（全国金属切削机床标准化技术委员会）归口，主管部门为中国机械工业联合会。
本部分规定了在精加工条件下标准试件的特征、尺寸及切削试验，用于评定机床的切削精度。

Scope

This part specifies the characteristics, dimensions and cutting tests of standard test pieces under finishing conditions, which are used to evaluate the cutting accuracy of machine tools. This part applies to precision machining centers with a linear axis stroke up to 2 000 mm, and precision machining centers with a linear axis stroke greater than 2 000 mm can also be used as a reference.

More samples: JJG 21-2008 DL/T 5154-2012 JGJ 94-2008

Sample only — not a preview of GB/T 20957.7-2007

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