JB/T 7936-1999 直廓环面蜗杆减速器

ICS21.200

J17

JB/T7936999－－－1

直廓环面蜗杆减速器

Hindleywormreductionunits

1999-06-28发布2000-01-01实施

国家机械工业局发布

JB/T7936－－－－1999

目录

前言

1范围··························································································································································1

2引用标准··················································································································································1

3型式、基本参数与尺寸···························································································································1

4技术要求··················································································································································8

5试验方法与检验规则·····························································································································12

6标志、包装、运输及贮存·····················································································································13

7减速器的选用········································································································································13

8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···························································································34

I

JB/T7936－－－－1999

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。

II

中华人民共和国机械行业标准

JB/T7936－－－－1999

直廓环面蜗杆减速器

代替JB7936—95

Hindleywormreductionunits

1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最新版本的可能性。

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2000-01-01实施

1

JB/T7936－－－－1999

a)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b2mm

a100125160200250280315355400450500

d14050567190100112125140160180

db6380100125160180200224250280315

b22531.5405063718090100112125

2

JB/T7936－－－－1999

图1HWT型

图2HWWT型

3

JB/T7936－－－－1999

图3HWB型

图4HWWB型

图5装配型式

3.3型号与标记示例

4

JB/T7936－－－－1999

3.3.1型号

HW

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

3.3.2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—1999

3.4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

aB1B2B3C1C2Hd1l1b1t1L1

HWT100100250220501009014028js660831220

HWT1251252802606011510516035k6801038260

HWT1601603803107015513020045k61101448.5340

HWT2002004503608018515025055m61101659380

HWT25025054043010022518028065m61401869460

HWT28028064050011027021031575m61402079.5530

HWT31531570053012028022535580m61702285590

HWT35535575056013030024540085m61702290610

HWT40040084062016031526045095m617025100660

HWT450450930700190355300500100m621028106740

HWT5005001020760200400320560110m621028116790

5

JB/T7936－－－－1999

表4(完)mm

油量重量

型号

d2l2b2t2L2L3L4H1hd3

Lkg

HWT10050k6821453.52202201203742516769

HWT12560m682186424026014243030209129

HWT16075m61052079.5310320177530352418175

HWT20090m61302595350380192640402438290

HWT250110m616528116430440230765452855490

HWT280120m616532127470530255855503571750

HWT315130m6200321375005552609305535951030

HWT355140m620036148530590300104060351261640

HWT400150m620036158560655310122570421702170

HWT450170m624040179640705360134575422202690

HWT500180m624045190670775390149080422753410

表5HWWT型减速器尺寸mm

型号

aB1B2B3C1C2Hd1l1b1t1L1

HWWT1601603803107015513020045k61101448.5340

HWWT2002004503608018515025055m61101659380

HWWT25025054043010022518028065m61401869460

HWWT28028064050011027021031575m61402079.5530

HWWT31531570053012028022535580m61702285590

HWWT35535575056013030024540085m61702290610

HWWT40040084062016031526045095m617025100660

HWWT450450930700190355300500100m621028106740

HWWT5005001020760200400320560110m621028116790

油量重量

型号

d2l2b2t2L2L3L4H1hd3

Lkg

HWWT16075m61052079.5310250177530352418178

HWWT20090m61302595350300192640402438276

HWWT250110m616528116430340230765452855528

HWWT280120m616532127470400255855503571710

HWWT315130m620032137500430260930553595898

HWWT355140m620036148530460300104060351261420

HWWT400150m620036158560510310122570421701880

HWWT450170m624040179640550360134575422202280

HWWT500180m624045190670600390149080422752950

6

JB/T7936－－－－1999

表6HWB型减速器尺寸mm

型号

aB1B2B3C1C2Hd1l1b1t1L1

HWB100100250220501009010028js660831220

HWB1251252802606011510512535k6801038260

HWB1601603803107015513016045k61101448.5340

HWB2002004503608018515018055m61101659380

HWB2502505404309022518020065m61401869460

HWB28028064050011027021022575m61402079.5530

HWB31531570053012028022525080m61702285590

HWB35535575056013030024528085m61702290610

HWB40040084062014031526031595m617025100660

HWB450450930700150355300355100m621028106740

HWB5005001020760170400320400110m621028116790

油量重量

型号

d2l2b2t2L2L3L4H1hd3

Lkg

HWB10050k6821453.52202201203732516370

HWB12560m682186424026014244530204132

HWB16075m61052079.531032017756035248170

HWB20090m61302595350380192655402413280

HWB250110m616528116430440230800452821475

HWB280120m616532127470530255910503527725

HWB315130m6200321375005552609635535351030

HWB355140m62003614853059030010826035481590

HWB400150m62003615856065531012307042602140

HWB450170m62404017964070536013757542852510

HWB500180m624045190670775390151080421103370

表7HWWB型减速器尺寸mm

型号

aB1B2B3C1C2Hd1l1b1t1L1

HWWB1601603803107015513016045k61101448.5340

HWWB2002004503608018515018055m61101659380

HWWB2502505404309022518020065m61401869460

HWWB28028064050011027021022575m61402079.5530

HWWB31531570053012028022525080m61702285590

HWWB35535575056013030024528085m61702290610

HWWB40040084062014031526031595m617025100660

HWWB450450930700150355300355100m621028106740

HWWB5005001020760170400320400110m621028116790

7

JB/T7936－－－－1999

表7(完)mm

油量重量

型号

d2l2b2t2L2L3L4H1hd3

Lkg

HWWB16075m61052079.531025017756035