| 铸件供应商认可程序审核准则(5)_长沙AS7127 | |
| 发表时间:2021-06-23 阅读次数:416 | |
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9. ASSEMBLY 9.1 Is the drag mold leveled? YES/NO/NA 9.2 Is the drag mold free of debris? YES/NO 9.3 Does the documented Core/Mold Assembly procedure describe the methods of mold/core assembly including the positive core and mold locators, core positioning, chill locations, gauging, filters, etc? YES/NO 9.4 Are all vents open in the cope mold? YES/NO 9.5 Are the molds securely clamped, bolted or chained together? YES/NO 9.6 Are downsprues, vents and risers covered to protect from debris entering the mold before pouring? YES/NO 9.7 Does the supplier assure that molds are dry prior to use?YES/NO 9.8 Crush? YES/ NO 9.9 Core Set? YES/NO 10. MELTING 10.1 Are there documented charge formulas identifying specific amounts of each component for various metal grades/types? YES /NO 10.2 Are all of the charge materials clearly identified and segregated to avoid improper use? YES/NO 10.3 Are the charge materials stored in areas adequate to prevent oxidation, contamination, moisture, oil, etc? YES/NO 10.4 Is each component weighed before charging? YES/NO 10.5 Are the scales calibrated? YES/NO 10.6 Are alloys in the melt area clearly identified to avoid incorrect additions? YES/NO 10.7 Are the types and amount of alloy additions documented in the charge formulas? YES/NO 10.8 Are the alloys weighed using a calibrated scale? YES/NO 10.9 Is the metal temperature checked and recorded at frequencies adequate to assure conformance? YES/NO 10.10 Is the Temperature measurement system calibrated? YES/NO 10.11 Are chemistries checked and recorded at frequencies adequate to assure conformance? YES/NO 10.12 Does the supplier have an internal procedure for spectrometers equipments calibration and this procedure is in concordance to National Institute of Standard and Technology – NIST, or other equivalent national certification agency? YES/NO 10.13 Is there objective evidence for periodic spectrometers calibration against the Standard Test Blocks? YES/NO 10.14 Is there objective evidence for daily spectrometers calibration? YES/NO 10.15 Is the acceptance criteria documented for temperatures and chemistries? YES/NO 10.16 Is the correct tap out temperature achieved for the material being poured? YES/NO 10.17 Is there a documented action/reaction plan with “stop points” to follow when an out of spec condition is found? YES/NO
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