JB-T 7936-1999 直廓环面蜗杆减速器

ICS21.200J17JB/T7936－1999直廓环面蜗杆减速器Hindleywormreductionunits1999-06-28发布2000-01-01实施国家机械工业局发布I前言1范围····················································································································································································································12引用标准·········································································································································································································13型式、基本参数与尺寸··········································································································································································14技术要求·········································································································································································································85试验方法与检验规则·············································································································································································126标志、包装、运输及贮存···································································································································································137减速器的选用·····························································································································································································138减速器的使用和维护·············································································································································································13附录A（标准的附录）减速器的承载能力和总传动效率····································································································14附录B（标准的附录）推荐材料的化学成分和力学性能····································································································29附录C（提示的附录）减速器的选用··············································································································································30附录D（提示的附录）减速器的使用和维护······························································································································34JB/T7936－1999目录II前言本标准是对JB/T7936—95《直廓环面蜗杆减速器》的修订。本标准与JB/T7936—95相比，主要技术内容变化为：增加了中心距大于或等于160mm减速器焊接结构的机体和机盖系列。本标准自实施之日起代替JB/T7936—95。本标准的附录A和附录B是标准的附录。本标准的附录C和附录D是提示的附录。本标准由冶金设备标准化技术委员会提出并归口。本标准起草单位：第一重型机械集团公司。本标准主要起草人：闻辉生、荆留纪、刘震、刘新伟、付微。本标准于1988年4月首次发布。JB/T7936－199911范围本标准规定了直廓环面蜗杆减速器的型式与基本参数、技术要求、试验方法与检验规则、承载能力、选用方法等。本标准适用于冶金、矿山、起重、运输、石油、化工、建筑等机械设备用的直廓环面蜗杆减速器（以下简称减速器）。2引用标准下列标准所包含的条文，通过在本标准中引用而构成为本标准的条文。本标准出版时，所示版本均为有效。所有标准都会被修订，使用本标准的各方应探讨使用下列标准昀新版本的可能性。GB191—1990包装储运图示标志GB/T228—1987金属拉伸试验方法GB/T699—1988优质碳素结构钢技术条件GB/T700—1988碳素结构钢GB/T1176—1987铸造铜合金技术条件GB/T1184—1996形状和位置公差未注公差值GB/T1958—1980形状和位置公差检测规定GB/T3077—1988合金结构钢技术条件GB/T4879—1985防锈包装GB/T8002.1~8002.15—1987锡青铜化学分析方法GB/T9439—1988灰铸铁件GB/T13306—1991标牌GB/T13384—1992机电产品包装通用技术条件JB/T1265—199325~200MW汽轮机转子体和主轴锻件技术条件JB/T5000.3—1998重型机械通用技术条件焊接件JB/T5000.4—1998重型机械通用技术条件铸铁件JB/T5000.12—1998重型机械通用技术条件涂装3型式、基本参数与尺寸3.1型式3.1.1蜗杆与蜗轮轴线交角90°。3.1.2蜗杆在蜗轮之上国家机械工业局1999-06-28批准中华人民共和国机械行业标准直廓环面蜗杆减速器HindleywormreductionunitsJB/T7936－1999代替JB7936—952000-01-01实施JB/T7936－19992a)HWT型——铸造机体和机盖，见图1。b)HWWT型——焊接机体和机盖，见图2。3.1.3蜗杆在蜗轮之下a)HWB型——铸造机体和机盖，见图3。b)HWWB型——焊接机体和机盖，见图4。3.1.4蜗杆在蜗轮之上与蜗杆在蜗轮之下各有三种装配型式，见图5。3.2基本参数3.2.1转速不超过1500r/min。3.2.2蜗杆中间平面分度圆滑动速度不超过16m/s。3.2.3蜗杆轴可正、反向运转。3.2.4减速器工作的环境温度–40~+40℃。当工作环境温度低于0℃时，启动前润滑油必须加热到0℃以上或采用低凝固点的润滑油；高于40℃时，必须采取冷却措施。3.2.5减速器的承载能力及总传动效率见附录A（标准的附录）。3.2.6减速器的中心距a见表1。表1中心距amm第一系列100125160200250—315—400—500第二系列—————280—355—450—注：应优先选用第一系列。3.2.7减速器的公称传动比i见表2。表2公称传动比i第一系列1012.5—16—20—25第二系列——14—18—22.4—第一系列—31.5—40—50—63第二系列28—35.5—45—56—注：应优先选用第一系列。3.2.8蜗杆中间平面分度圆直径d1、成形圆直径db及蜗轮齿宽b2见表3。表3分度圆直径d1、成形圆直径db及蜗轮齿宽b2mma100125160200250280315355400450500d14050567190100112125140160180db6380100125160180200224250280315b22531.5405063718090100112125JB/T7936－19993图1HWT型图2HWWT型JB/T7936－19994图3HWB型图4HWWB型图5装配型式3.3型号与标记示例JB/T7936－199953.3.1型号HW3.3.2标记示例例1中心距250mm，公称传动比20，第一种装配型式，蜗杆上置，铸造结构的机体和机盖直廓环面蜗杆减速器：减速器HWT250–20–1JB/T7936—1999例2中心距250mm，公称传动比20，第一种装配型式，蜗杆下置，焊接结构的机体和机盖直廓环面蜗杆减速器：减速器HWWB250–20–1JB/T7936—19993.4尺寸3.4.1HWT型减速器的主要尺寸见表4，HWWT型减速器的主要尺寸见表5。3.4.2HWB型减速器的主要尺寸见表6，HWWB型减速器的主要尺寸见表7。表4HWT型减速器尺寸mm型号aB1B2B3C1C2Hd1l1b1t1L1HWT100100250220501009014028js660831220HWT1251252802606011510516035k6801038260HWT1601603803107015513020045k61101448.5340HWT2002004503608018515025055m61101659380HWT25025054043010022518028065m61401869460HWT28028064050011027021031575m61402079.5530HWT31531570053012028022535580m61702285590HWT35535575056013030024540085m61702290610HWT40040084062016031526045095m617025100660HWT450450930700190355300500100m621028106740HWT5005001020760200400320560110m621028116790装配型式代号公称传动比中心距蜗杆位置，T为上置，B为下置机体和机盖，W为焊接结构，未注为铸造结构直廓环面蜗杆减速器JB/T7936－19996表4(完)mm型号d2l2b2t2L2L3L4H1hd3油量L重量kgHWT10050k6821453.52202201203742516769HWT12560m682186424026014243030209129HWT16075m61052079.5310320177530352418175HWT20090m6130259535