压注模具质量无损检测

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(,400050)NONDESTRUCTIVEQUALITYTESTINGOFCOMPRESSIONMOULDLiXingwei(ChongqingJiansheIndustryGroupCo.),,,,SKD4,110,,,,,,,,1,(2)1211.13,,FH450()450A,4800Aöm,147N,,,,,,FH45031.2A,,A215ö100,,,5552212200012NDTVol.22No.12Dec.2000©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.1.3FH450,(1),10,,,,1,,12mm22.1,68,600mm,5P20CTS223,,2.2,600mm1100,6,062.3,1mm,,600mm,(5900mös)$=20lgP22KS=20lg3.141225.95600=-53(dB),50%,53dB,,600mm1mm2.4x,yA(4),,465mm,14dB,AM(275,120),90B,(5),(4),,(6)A,B,:456(1)$=20lgPFP=40lgFSSFF=SFS10$40=1465600101440=1.7mm(2)h=465mmAx=275mmy=120mm3,,,,,,,,,:2000201210655:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.

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