GB/T 25373-2010 English PDF

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GB/T 25373-2010: Metal-cutting machine tools -- General specifications of assembling
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 25373-2010	189	Add to Cart	3 days	Metal-cutting machine tools -- General specifications of assembling	Valid

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Basic data

Standard ID: GB/T 25373-2010 (GB/T25373-2010)
Description (Translated English): Metal-cutting machine tools -- General specifications of assembling
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J50
Classification of International Standard: 25.080.01
Word Count Estimation: 8,882
Date of Issue: 2010-11-10
Date of Implementation: 2011-03-01
Quoted Standard: GB 5226.1; GB/T 6576; GB/T 7932; GB/T 9061; GB 15760; GB/T 23572; GB/T 23575; GB/T 25374; GB/T 25375; JB/T 3579; JB/T 8832
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 assembly process of metal cutting machine tools technical requirements. This standard applies to the Ministry of metal cutting machine tools (Group) parts assembly and machine assembly.

GB/T 25373-2010: Metal-cutting machine tools -- General specifications of assembling

---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. General specifications of assembling ICS 25.080.01 J50 National Standards of People's Republic of China Metal cutting machine tools assembly general technical conditions 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 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 First Machine Tool Plant, Beijing Machine Tool Research Institute. The main drafters of this standard. Hu Ruilin, Liu Yuling, Lixiang Wen. Metal cutting machine tools assembly general technical conditions

1 Scope

This standard specifies the metal cutting machine tools during assembly of the technical requirements. This standard applies to metal cutting machine tools (hereinafter referred to as the machine) unit (group) assembly and machine assembly member.

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 Safety of machinery electrical equipment Part 1. General requirements (GB 5226.1-2002, IEC 60204-1. 2000, IDT) GB/T 6576 machine lubrication system (GB/T 6576-2002, eqv ISO 5170. 1977) GB/T 7932 pneumatic systems General technical conditions (GB/T 7932-2003, ISO 4414.1998, IDT) GB/T 9061 General technical conditions for metal cutting machine tools GB 15760 metal cutting machine tool safety general technology condition GB/T 23572 Metal Cutting Machine Hydraulic System General technical conditions GB/T 23575 Metal Cutting Machine conical surface coloring method test and evaluation Methods of measurement GB/T 25374 metal cutting machine cleanliness GB/T 25375 Metal Cutting Machine topcoat color combination test and evaluation method JB/T 3579 epoxy coating sliding guides General technical conditions JB/T 8832 CNC system General technical conditions

3 Basic requirements

3.1 Machine should design and assembly process planning for assembly. To assemble on the machine parts and components (including purchased parts) shall conform to the quality begging. Should not be placed in a predetermined pattern not gaskets and covers. 3.2 assembly should be clean. High precision components, the assembly shall comply with the relevant environmental regulations. 3.3 assembled parts and components should be clean. Machined parts for assembly should not bump, scratch and rust, with the workpiece surface should not have Revised filing and sanding and other traces (except as otherwise provided in the manufacturing process). 3.4 bolt after assembly, the end face of the screw head and the nut should be fastened in uniform contact with the plane parts, should not tilt and a gap. Rear bolts should be slightly protruding from the nut. Screw assembly in the same area, its length should generally be the same. Fastening screws, bolts and nuts are not Should be loose, affecting the accuracy of screw fastening force should be consistent. 3.5 After the nuts, washers should meet the various requirements of the brake, the threaded portion of the structure need to be employed in low coating strength, according to the intensity Glue instead of locking washers. Mobile 3.6 machine, after rotating member assembly, movement should be smooth, flexible, lightweight, non-blocking phenomenon. Displacement mechanism should ensure that accurate and reliable Positioning. On a scale of 3.7 means the machine handwheel, handle the amount of reverse backlash after assembly shall be specified in the technical conditions for each type of machine. 3.8 Hydrostatic machine means that the throttle ratio shall meet the design requirements. After the establishment of the static pressure, exercise should be light and flexible. 3.9 high-speed rotation of zero, components, assembly should do balance test. Assembly 3.10 hydraulic systems should comply with the relevant provisions of GB/T 23572 "Metal Cutting Machine Hydraulic System General technical conditions". ......

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