GB/T 25375-2010 English PDF

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GB/T 25375-2010: Metal-cutting machine tools -- Check and evaluation for combine surface by miniating
Status: Valid

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Basic data

Standard ID: GB/T 25375-2010 (GB/T25375-2010)
Description (Translated English): Metal-cutting machine tools -- Check and evaluation for combine surface by miniating
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J50
Classification of International Standard: 25.080.01
Word Count Estimation: 10,115
Date of Issue: 2010-11-10
Date of Implementation: 2011-03-01
Quoted Standard: GB 253; GB 443-1989; GB/T 25372; GB/T 25373; HG/T 3850-2006
Regulation (derived from): National Standard Approval Announcement 2010 No.8 (Total No.163)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the metal cutting machine guideways, sliding bearings and especially important quality of a fixed combination of surface contact with the coloring method of testing and evaluation methods. This standard applies to metal cutting machine guideways, sliding bearings and fixed joint surface is particularly important.

GB/T 25375-2010: Metal-cutting machine tools -- Check and evaluation for combine surface by miniating

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Metal-cutting machine tools. Check and evaluation for combine surface by miniating ICS 25.080.01 J50 National Standards of People's Republic of China Metal Cutting Machine Combined with top coat color test and evaluation method Issued on. 2010-11-10 2011-03-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The Standard Appendix A, Appendix B is an informative annex. The standard proposed by China Machinery Industry Federation. The standard metal cutting machine tools by the National Standardization Technical Committee (SAC/TC22) centralized. This standard was drafted. Beijing Second Machine Tool Plant Co., Ltd., Beijing Machine Tool Research Institute. The main drafters. Zhang Xiulan, Zhang Wei, Wang Bo, Lixiang Wen, Zhang Wei. Metal Cutting Machine Combined with top coat color test and evaluation method

1 Scope

This standard specifies the Vice metal cutting, sliding bearings and fixed contact quality is particularly important in conjunction with the coloring surface Machine Tool Inspection and Assessment Method Given method. This standard applies to metal cutting machine tool guideways, sliding bearings and fixed particularly important joint surface.

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 253 Kerosene GB 443-1989 L-AN Total loss system oil GB/T 25372 metal cutting machine accuracy rating GB/T 25373 Metal Cutting Machine Assembly General technical conditions HG/T 3850-2006 Hongdan

3 Basic requirements

3.1 two joint surface mating member (hereinafter referred to as bonding surface) contact quality inspection should normally be two joint surface directly combined research test. 3.2 joint surface can not be directly combined research test should be used when the gage were combined research test two joint surface. Such as two binding surfaces are flat, you should use The same gage inspection; for dovetail shaped, rectangular, V-shaped, etc. by two or guideways with the above composition is particularly important or fixed joint surface, Use sets of gage testing. 3.3 together with the seizure of research tests, gage length is generally not less than be replaced with the length of the member. Gage accuracy and technical requirements should be breaks Together with the relevant provisions. 3.4 two direct bonding surface when combined research test, wherein a surface should achieve the required accuracy and technical requirements to the surface as a reference plane, another Face as the mating surface. For guideways, the general should be chosen on the base member guide surface as a reference plane; for a machined surface to another A combination of the two surface scraping surface, the general should choose the machined surface as a reference plane. 3.5 When using combined research medium for the red lead paint, its proportion by weight recommends the following. Hongdan. L-AN Total loss system oil. kerosene ≈100.7.3 Kerosene should be consistent with the provisions of GB 253 quality indicators. Total loss system oil quality indicators should be consistent with the provisions of GB 443-1989 of L-AN32. Red lead should be consistent with a primary or secondary quality indicators HG/T 3850-2006 requirements.

4 test methods

4.1 coating paint 4.1.1 The two joint surface directly combined research test, the combination of two such surfaces are machined surfaces or are scraping the surface, the coating may be applied to the reference plane Or mating surfaces; such as the two combined have a surface to surface scraping, scraping paint should be applied to the surface. 4.1.2 Test with a gage surface machining, coating should generally be applied to the gage on. With the seizure test scraping surface, the coating should be applied to the scraping Surface. ......

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