漏泄同轴电缆无卤低烟阻燃护套挤出工艺分析

20055No.52005ElectricWire&Cable200510Oct.,2005(,454100):,:;;;:TM248.3:A:167226901(2005)0520047202AnalysisoftheExtrusionProcessforLSZHFlameRetardantSheathforLeakyCoaxialCablesMAILi2wei(JiaozuoRailwayCablePlant,Jiaozuo454100,China)Abstract:ThispaperpresentsthemattersneedingattentionintheextrusionprocessofLSZHflameretardantsheathforleakyRFcoaxialcables,providingsolutionstosolvetheproblemsoccurredduringtheprocess.Keywords:LSZHsheathingcompound;leakyRFcoaxialcable;extrusionprocess;analysis:2004209210:(1970-),,,.:8[454100].,,,,(MoO3Al(OH)3),,,,1,,,,Al(OH)3,,3040,IEC,,(1)1PMPa10.2GBPT2951P%650GBPT2951P(kVPmm)25GBPT1408P(1014cm)2.1GBPT1410P%30GBPT2406P(gPcm3)1.5GBPT295122.1Al(OH)3Mg(OH)2,,,,,,,251,1.86,(,)90mm,,,,,,,,2.2,,S,(S2),:D0=d0+(0.81.0)(mm)D1=d1+(33.5)P(mm)(),,:D0=d0+(11.5)(mm)D1=d1+2P-(0.10.2)(mm),D0(mm);D1(mm);P(mm);d0(mm);d1(mm)2.3,,,,;,(2)2(:)12345678120135145145150150150150:68,,,,5102.4,,;,,,,,,,2.5(1),,,652h,(2),,,,,23mm,90mm20rPmin,150mm15rPmin,,,,S(,,),,,,(3),,,,,,3PVCPE,,,,,,,,,,:[1].[J].,2002,(3):26228.[2].35kVXLPE[J].,2004,(2):14216.[3].[J].,2003,(3):41243.8420055No.52005ElectricWire&Cable200510Oct.,2005