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GB/T 37903-2019: Reliability assessment method of NC mechanical presses Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsGB/T 37903-2019: Reliability assessment method of NC mechanical presses---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT37903-2019(Numerical control press reliability evaluation method) ICS 25.120.10 J62 National Standards of People's Republic of China Numerical control press reliability evaluation method ReliabilityassessmentmethodofNCmechanicalpresses Published on.2019-08-30 2020-03-01 implementation State market supervision and administration China National Standardization Administration issued ForewordThis standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the China Machinery Industry Federation. This standard is under the jurisdiction of the National Forging Machinery Standardization Technical Committee (SAC/TC220). This standard was drafted. Jinan Casting and Forging Inspection and Testing Technology Co., Ltd., Hefei Forging Intelligent Manufacturing Co., Ltd., Zhejiang Yi Forging Precision Machinery Co., Ltd., China Testing and Testing Group Co., Ltd., Rongcheng Huadong Forging Machine Co., Ltd. The main drafters of this standard. Cui Ruiqi, Ma Liqiang, Wang Yushan, Mei Bizhou, Qiu Yuliang, Liu Panchao. Numerical control press reliability evaluation method1 ScopeThis standard specifies the fault classification and determination principle, sampling, test plan and test for the reliability verification, measurement and evaluation of CNC presses. Methods, fault monitoring, data acquisition, reliability assessment indicators, test results determination, etc. This standard applies to the reliability assessment of CNC presses.2 Normative referencesThe following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB 17120 Forging machinery safety technical conditions GB/T 26483 mechanical press noise limit GB 27607 mechanical press safety technical requirements GB/T 36484 Forging machinery terminology3 Terms and definitionsThe following terms and definitions as defined in GB/T 36484 apply to this document. 3.1 CNC Press NCmechanicalpresses A mechanical press that controls and displays at least the speed and position of the slider and monitors the working force of the press using numerical control system control. 3.2 Fault fault CNC presses cannot perform states and events where specified functions or performance specifications exceed specified limits. Preventive maintenance or other planning Except in the case of activities or lack of external resources. 3.3 Associated fault relevantfault A fault that is factored in when interpreting a test or work result or calculating a reliability feature value. 3.4 Non-relevant fault A fault that is not counted when interpreting the test or work results or calculating the value of the reliability feature value. 3.5 Essential fault intrinsicmalfunction When the CNC press is used under specified conditions, it is a malfunction caused by defects inherent in its components or components. 3.6 Misuse of fault misusefault Failure to use the CNC press without the specified conditions or beyond the allowable range of the product. GB/T 37903-2019 (Numerical control press reliability evaluation method) ICS 25.120.10 J62 National Standards of People's Republic of China Numerical control press reliability evaluation method ReliabilityassessmentmethodofNCmechanicalpresses Published on.2019-08-30 2020-03-01 implementation State market supervision and administration China National Standardization Administration issuedForewordThis standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the China Machinery Industry Federation. This standard is under the jurisdiction of the National Forging Machinery Standardization Technical Committee (SAC/TC220). This standard was drafted. Jinan Casting and Forging Inspection and Testing Technology Co., Ltd., Hefei Forging Intelligent Manufacturing Co., Ltd., Zhejiang Yi Forging Precision Machinery Co., Ltd., China Testing and Testing Group Co., Ltd., Rongcheng Huadong Forging Machine Co., Ltd. The main drafters of this standard. Cui Ruiqi, Ma Liqiang, Wang Yushan, Mei Bizhou, Qiu Yuliang, Liu Panchao. Numerical control press reliability evaluation method1 ScopeThis standard specifies the fault classification and determination principle, sampling, test plan and test for the reliability verification, measurement and evaluation of CNC presses. Methods, fault monitoring, data acquisition, reliability assessment indicators, test results determination, etc. This standard applies to the reliability assessment of CNC presses.2 Normative referencesThe following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB 17120 Forging machinery safety technical conditions GB/T 26483 mechanical press noise limit GB 27607 mechanical press safety technical requirements GB/T 36484 Forging machinery terminology3 Terms and definitionsThe following terms and definitions as defined in GB/T 36484 apply to this document. 3.1 CNC Press NCmechanicalpresses A mechanical press that controls and displays at least the speed and position of the slider and monitors the working force of the press using numerical control system control. 3.2 Fault fault CNC presses cannot perform states and events where specified functions or performance specifications exceed specified limits. Preventive maintenance or other planning Except in the case of activities or lack of external resources. 3.3 Associated fault relevantfault A fault that is factored in when interpreting a test or work result or calculating a reliability feature value. 3.4 Non-relevant fault A fault that is not counted when interpreting the test or work results or calculating the value of the reliability feature value. 3.5 Essential fault intrinsicmalfunction When the CNC press is used under specified conditions, it is a malfunction caused by defects inherent in its components or components. 3.6 Misuse of fault misusefault Failure to use the CNC press without the specified conditions or beyond the allowable range of the product. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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