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GB/T 23280-2009: Open front mechanical power presses -- Testing of the accuracy
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 23280-2009 | English | 189 |
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Open front mechanical power presses -- Testing of the accuracy
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GB/T 23280-2009
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Basic data | Standard ID | GB/T 23280-2009 (GB/T23280-2009) | | Description (Translated English) | Open front 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 | 8,898 | | Date of Issue | 2009-03-16 | | Date of Implementation | 2009-11-01 | | Adopted Standard | ISO 6899-1984, MOD | | Regulation (derived from) | National Standard Approval Announcement 2009 No.2 (Total No.142) | | 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 open press geometric precision, tolerance and testing methods. This standard applies to the nominal power of not more than 4000kN single column Presses, open fixed bench presses and open-tilting Press (hereinafter referred to as the press). | GB/T 23280-2009: Open front mechanical power presses -- Testing of the accuracy---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.
Open front mechanical power presses. Testing of the accuracy
ICS 25.120.10
J62
National Standards of People's Republic of China
Open press accuracy
(ISO 6899. 1984, MOD)
Posted 2009-03-16
2009-11-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This revised standard adopts ISO 6899. 1984 "open front mechanical power presses Acceptance conditions" (in English).
This standard ISO 6899. 1984 main technical differences are as follows.
--- The maximum nominal power range extended to 4000kN;
--- Modified G1 tolerances;
--- Modified G2 tolerances;
--- Increased G6 items;
--- Added Appendix A.
Appendix A of this standard is a normative appendix.
The standard proposed by China Machinery Industry Federation.
This standard by the National Forging Machinery Standardization Technical Committee.
This standard is drafted by. Zhejiang Metalforming Machinery Group Co., Ltd., Guangdong Forging Machine Co., Ltd., Jiangsu Yangli Group Co.
The company, World Precise Machinery (China) Co., Ltd.
The main drafters of this standard. buildings, money power, Ruan Weiping, Zhongtai Sheng, Zheng Yulin, Shaoxiao Pu.
Open press accuracy
1 Scope
This standard specifies the geometric precision, tolerance and open press the test method.
This standard applies to nominal force 4000kN no more than a single column fixed presses open fixed bench presses and open-tilting Press
(Hereinafter referred to as the 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 8170-2008 revised value represents about rules and limit values \u200b\u200band judgment
GB/T 10923-2009 forging machinery accuracy test General (ISO 230-1.1996, NEQ)
GB/T 11337 flatness error detection
Prepare 3 test before
3.1 accuracy test shall be A and GB/T 10923-2009 requirements in Appendix, in particular the press installation, moving parts of the temperature rise,
Methods of measurement and testing tool accuracy.
3.2 Table 1 Geometric accuracy of ordering necessarily the actual test sequence. Geometric tests can facilitate the assembly and disassembly and inspection gage
In any order.
3.3 users with special requirements, may be inspected in accordance with this standard when all the items tested.
Should press before leveling 3.4 test; if the slider is equipped with balancing device, should use the manual installation and adjustment; shall ensure that the amount of the fine gage
Degrees; P is the nominal power of the press, in units of kN.
3.5 When the predetermined value and the actual scope of this standard is not the same, the actual test length should be calculated, the calculation results by GB/T 8170-
Rounding to 2008 μm.
4 Geometric tests
Geometric tests are shown in Table 1.
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