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JB/T 1647.2-2012

Chinese Standard: 'JB/T 1647.2-2012'
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Detail Information of JB/T 1647.2-2012; JB/T1647.2-2012
Description (Translated English): Straight-side mechanical power press - Part 2: Technical requirements
Sector / Industry: Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard: J62
Classification of International Standard: 25.120.10
Word Count Estimation: 20,232
Older Standard (superseded by this standard): JB/T 9964-1999
Quoted Standard: GB 150; GB/T 191; GB/T 3766; GB 5226.1; GB/T 6576; GB/T 7932; GB/T 7935; GB/T 8541; GB/T 10924; GB/T 13306; GB 17120; GB/T 23281; JB/T 1647.1; JB/T 1829-1997; JB/T 3228; JB/T 3240; JB 3350; JB/T 3848; JB/T 5200; JB/T 8356.1; JB/T 9954; JB/T 9965; JB 9974;
Drafting Organization: Jinan Second Machine Tool Group Co., Ltd.
Administrative Organization: Forging Machinery Standardization Technical Committee of the National
Regulation (derived from): Ministry of Industry and Information Technology Bulletin 2012 No. 20; industry standard filing Notice 2012 No. 7 (No. 151 overall)
Summary: This standard specifies the closed press the technical requirements, test methods, inspection rules, packaging, marking and transportation. This section applies to closed single, double, four-point mechanical presses, also applies to the closed single, do

JB/T 1647.2‐2012 
JB
ICS 25.120.10
J 62
Record No.. 36501-2012
MECHANICAL INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
Replacing JB/T 9964-1999
Straight-side mechanical power press -
Part 2. Technical requirements
闭式压力机 第 2部分.技术条件
ISSUED ON. MAY 24, 2012
IMPLEMENTED ON. NOVEMBER 1, 2012
Issued by. Ministry of Industry and Information Technology of the People’s Republic
of China
Table of Contents
Foreword ... 3 
1 Scope ... 5 
2 Normative references ... 5 
3 Terms and definitions ... 6 
4 Classification and naming ... 7 
4.1 Type and parameters ... 7 
4.2 Model naming ... 7 
5 Requirements ... 7 
5.1 Basic requirements ... 7 
5.2 Performance requirements ... 8 
5.3 Safety & environment Protection ... 9 
5.4 Manufacturing requirements ... 9 
5.5 Signs ... 13 
5.6 Accessories, tools and spare parts ... 13 
5.7 Appearance quality ... 13 
6 Inspection rules and test methods ... 14 
6.1 Inspection rules ... 14 
6.2 Test methods ... 15 
7 Packaging, mark, transportation and storage ... 19 
7.1 Packaging ... 19 
7.2 Marks and transportation ... 19 
7.3 Storage ... 19 
7.4 Accompanied technical documents ... 19 
Appendix A ... 21 
A.1 Power‐press stiffness measurement ... 21 
A.2 Slide flexibility and table flexibility measurements of dual‐, four points power‐presses ... 22 
Appendix B ... 25 
B.1 Continuous stroke test ... 25 
B.2 Single stroke test ... 25 
B.3 Adjustment test for slide die height ... 26 
B.4 Drawing cushion’s stroke adjustment test ... 26 
Foreword
JB/T 1647 Straight-side Mechanical Power Press is divided into 2 parts.
— Part 1. Parameters;
— Part 2. Technical requirements.
This Part is Part 2 of JB/T 1647.
This Part is drafted according to the rules specified in GB/T 1.1-2009.
This Part replaces JB/T 9964-1999 Straight-side Mechanical Power Press - Part 2. Technical
Requirements. Compared with the JB/T 9964-1999, the main technical changes are as follows.
— The standard name was changed to Straight-side Mechanical Power Press - Part 2. Technical
Requirements;
— The standard structure has been reorganized;
— The use range of power-press has been clarified;
— Chapters of terms and definitions, and classification naming have been added;
— The test requirements for variable speed power-press has been added in the running test;
— While conducting single stroke test, the clutch and brake’s joint times per minute have been
adjusted;
— The overload test is performed according to 110% of the nominal force instead of 120% of the
nominal force;
— The allowable deflections of dual- and four-points power-press’s slide and table have been
modified;
— The test records of main motor’s voltage, current and temperature, when it is running with
continuous stroke and single stroke, have been added;
— The requirements for the appearance and quality of the power-press have been improved;
— The measurement method of stiffness in Appendix A has been modified;
— The measurement method of total clearance in Appendix B is changed to be the test record in
Appendix B.
This Part was proposed by China Machinery Industry Federation.
This Part shall be centralized by National Committee on Forge Press of Standardization Administration
of China (SAC/TC220).
The drafting organizations of this Part. The Jier Machine Tool Group Co., Ltd., Jiangsu Yangli Power
Group Co., Ltd., and Shandong Gaomi High Forging Machinery Co., Ltd.
Main drafters of this Part. Lu Jiansheng, Li Hong, He Qing, Jiang Xiuhua, Du Yong, Chen Qisheng, and
Zhan Xiujuan.
The previous versions replaced by this Part are as follows.
— JB 1279-1981;
— ZB J62028-1989;
— JB/T 9964-1999.
Straight-side mechanical power press –
Part 2. Technical requirements
1 Scope
This Part of JB/T 1647 specifies the technical requirements, test methods, inspection rules, packaging,
labeling, and transport of the straight-side power-press.
This Part applies to straight-side single-, dual-, four-point mechanical power presses. It also applies to
straight-side single, double, four-point trimming power-presses (hereinafter referred to as the
power-press).
This Part does not apply to hot forging power-presses, closed high-speed power-presses, and other
special power-presses.
[Translator. Terms “straight-side” power-press AND “closed” power-press might be exchangeable, as
their corresponding words in Chinese are identical]
2 Normative references
The articles contained in the following documents have become part of this document when they are
quoted herein. For the dated documents so quoted, all the modifications (Including all corrections) or
revisions made thereafter shall be applicable to this document.
GB 150 Steel pressure vessels
GB/T 191 Packaging - Pictorial marking for handling of goods
GB/T 3766 Hydraulic fluid power - General rules relating to systems
GB 5226.1 Electrical safety of machinery - Electrical equipment of machines - Part 1. General
requirements
GB/T 6576 Machine tools - Lubrication systems
GB/T 7932 Pneumatic fluid power - General rules relating to systems
GB/T 7935 Hydraulic fluid power - General requirements for hydraulic components
GB/T 8541 Terminology of forging and stamping
GB/T 10924 Straight sided single or two-point mechanical power presses - Testing of the accuracy
GB/T 13306 Plates
GB 17120 Metal forming machinery - Safety requirements
GB/T 23281 Metal forming machinery - Noise measurement method of sound pressure levels
JB/T 1647.1 Straight sided mechanical power press - part 1. Types and basic parameters
JB/T 1829-1997 Metal forming machinery - Specification
JB/T 3228 Closed mechanical press - Distribution types and dimensions of grooves for fastening molds
and of holes drilled on post bar
JB/T 3240 Metal forming machine - Visualized symbols of operation instruction
JB 3350 Mechanical press - Technical requirements for safety
JB/T 3848 Closed multi-position press - Precision
JB/T 5200 Straight-side four point press - Precision
JB/T 8356.1 Machine tool - Specification
JB/T 9954 Hydraulic system of forging machinery - Cleanness
JB/T 9965 Metal forming machine - Method for designing types

Related standard:   JB/T 1647.1-2012  JB/T 1645-2017
   
 
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