JTT 283-1995 船用柴油机涡轮增压器修理技术要求.pdf

i中华人民共和国交通行亚标准JT/T 283一1995船用柴油机涡轮增压器修理技术要求The technical requirements for repairing turbo一chargerin the marine diesel engine1996一04一19发布1996一10一01实施中华人民共和国交通部 a;fi 主题内容与适用范围···············。······。··································································?? 12 总则·.............................................................................................................. 13零部件修理要求···································,·······················.···········..·..·······.....·..·..·.??14增压器修复后的试验及其他技术要求·················································。···················??10附录A 国产船用径流式涡轮增压器的主要性能、结构参数表·······································?? 11附录B 国产船用轴流式涡轮增压器的主要性能、结构参数表··········································?? 13附录C 国产船用径流式涡轮增压器的主要零件使用材料表··········································?? 16附录D 国产船用轴流式涡轮增压器的主要零件使用材料表·............................................... 17附录E 国产船用径流式涡轮增压器的主要装配间隙值(单边)............................................ 19附录F 国产船用轴流式涡轮增压器的主要装配间隙值(单边)·················??”·······”·,·?? 20附录G VTR`0"系列涡轮增压器的主要装配间隙值(单边)··········································?? 22附加说明······················································。·································“·””·············?? 23共和国交通行业标准JT/T 283一1995船用柴油机涡轮增压器修理技术要求代替JT 4059-83The technical requirements for repairingturbo-charger in he arine diesel engine1 主题内容与适用范围 本标准规定了船用柴油机涡轮增压器修理总则、零部件修理要求和增压器修复后的试验及其他技术要求。 本标准适用于民用船舶轴流式和径流式涡轮增压器(以下简称增压器)的修理(见图1,2)> 修理内容主要包括: 主要零部件—指转子轴、涡轮叶轮、涡***、涡轮叶片、导风轮、压气机叶轮、喷嘴环、有叶扩压器、壳体和轴承。 易损件—指气封片、气封环、油封环、密封环、减振片、锁紧片 其他零件—指压气机叶轮罩壳、涡轮叶轮罩壳、滤清消声器。 更换零件时,应采用原增压器制造厂的配件或者采用技术性能与其相当的其他厂的配件。需要加工零件时,应按原产品图纸的规定。 零部件的修理或更换及其与配合件的配合间隙(或过盈)值,应根据本标准的规定并结合具体情况加以确定。3 转子轴轴颈段的全跳动量不得超过0. 015mm。 转子轴弯曲变形允许校正,但必须消除内应力,保证材质,并进行无损探伤,不允许有裂纹存在。校正后,。 转子轴的轴颈段、叶轮段、供油段和密封段(见图3)的碰伤深度在0. 1Omm以内,伤痕数不多于5条,其余轴段的碰伤深度在。. 30mm以内时,允许去除毛刺、抛光圆顺后继续使用。 ,如轴的强度允许时,可采用喷镀、电镀及其他方法修复。 紧配合的轴段不允许有磨损,其余轴段的直径磨损量超过0. I