GB/T 10924-2009 English PDF

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GB/T 10924-2009: Straight sided single or two-point mechanical power presses -- Testing of the accuracy
Status: Valid

GB/T 10924: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 10924-2009	189	Add to Cart	3 days	Straight sided single or two-point mechanical power presses -- Testing of the accuracy	Valid
GB/T 10924-1989	279	Add to Cart	3 days	Straight sided one-point mechanical presses--Testing of the accuracy	Obsolete

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JB/T 13910.1   JB/T 13910.2   GB/T 35091   GB/T 45786   GB/T 45562   GB/T 10923   

Basic data

Standard ID: GB/T 10924-2009 (GB/T10924-2009)
Description (Translated English): Straight sided single or two-point mechanical power presses -- Testing of the accuracy
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J62
Classification of International Standard: 25.120.10
Word Count Estimation: 8,866
Date of Issue: 2009-04-02
Date of Implementation: 2009-11-01
Older Standard (superseded by this standard): GB/T 10924-1989; GB/T 10933-1989
Regulation (derived from): National Standard Approval Announcement 2009 No.4 (Total No.144)
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 closed single, precision two-point press, tolerance and testing methods. This standard applies to general-purpose single-action mechanical press closed. Metallic material such as blanking, bending, forming and stretching step used in processing and the eccentric crank-type press (press hereinafter). This standard does not apply to forging presses, multi-link presses and presses for special structures (such as powder molding press).

GB/T 10924-2009: Straight sided single or two-point mechanical power presses -- Testing of the accuracy

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Straight sided single or two-point mechanical power presses. Testing of the accuracy ICS 25.120.10 J62 National Standards of People's Republic of China Replacing GB/T 10924-1989, GB/T 10933-1989 Closed single and double precision point press Posted 2009-04-02 2009-11-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The standard reference Japan Forming Machinery Association Standard JFMATⅠ100.1999 "Mechanical presses accuracy inspection." This standard is GB/T 10924-1989 "closed single point press precision" and GB/T 10933-1989 "closed two-point press Accuracy "of amendments. This standard and GB/T 10924-1989 and GB/T 10933-1989, compared the main technical changes as follows. --- Standard name changed to "closed single, double-point precision press"; --- Define the scope of the press; --- Verticality detection method employs JFMATⅠ100.1999 test method specified; --- Increasing the overall clearance requirements presses the connecting section. From the date of implementation of this standard instead of GB/T 10924-1989, GB/T 10933-1989. The standard proposed by China Machinery Industry Federation. This standard by the National Forging Machinery Standardization Technical Committee (SAC/TC220) centralized. This standard was drafted. Jinan Machine Tool Group Co., Ltd. The main drafters of this standard. Lu Jiansheng, Zhang Shishun, He Qing, Li Hong. This standard replaces the standards previously issued as follows. --- GB/T 10924-1989; --- GB/T 10933-1989. Closed single and double precision point press

1 Scope

This standard specifies the closed single, double-point precision press, tolerance and test methods. This standard applies to general purpose mechanical presses Closed single action, such as a metallic material blanking, bending, stretching and molding processing workers Crank-type sequence used and eccentric presses (hereinafter referred to as the press). This standard does not apply to forging presses, multi-link press and special press special structure (such as a powder molding press).

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/T 1219 indicator GB/T 6092-2004 Squares GB/T 6093-2001 Geometrical product specifications (GPS) standard gauge block length GB/T 8170 repair value expressed about the rules and limit values \u200b\u200band judgment GB/T 10923 Forging Machinery General accuracy test GB/T 16455-1996 batten and square levels JB/T 7977-1999 cast iron flat feet

3 Accuracy

3.1 General requirements Accuracy test before 3.1.1, the installation should be adjusted to the level of the press, in the middle of the table plate, placed along vertical and horizontal presses Levels Measuring installation level should not exceed 0.20/1000mm. 3.1.2 flat bench press board to test the accuracy of the reference plane. 3.1.3 When testing rectangular plane, when the side length L is equal to or less than 1000mm, in the range of 0.1L from the edge is not detected; when the edge When the length L is greater than 1000mm, 100mm in from the edge of the range is not detected. 3.1.4 This standard does not mean that the accuracy of the order of testing the actual inspection order. In order to facilitate assembly and disassembly test tools and test, press any order Tested. 3.1.5 Accuracy tolerance value shall be the actual test items test length calculation. The results according to GB/T 8170 rounded down to the micron digits. 3.1.6 Accuracy Test procedure 3.2.3,3.2.4 items, the slider balancing mechanism should be in working condition. 3.2 accuracy test 3.2.1 press Geometric tests should normally be a no-load (no-load) state, in accordance with the provisions of GB/T 10923 for inspection. Check Inspection process, the agency is not allowed to affect the accuracy of parts and adjustments. Guide clearance should ensure that the slider does not catch, the temperature of friction parts conform Claim. 3.2.2 workbench board the plane and the plane of the slider under flatness 3.2.2.1 Test Method When measuring the length is less than or equal to 1600mm, the use of flat-foot test; when measuring length is greater than 1600mm, horizontal instrument test. ......

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