您好,欢迎访问三七文档
当前位置:首页 > 行业资料 > 国内外标准规范 > JB-T 2300-1999 回转支承
ICS53.100P97JB/T2300-1999回转支承Swingbearing1999-09-17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符号····················································································································································································································14分类····················································································································································································································25要求··················································································································································································································166试验方法·······································································································································································································197检验规则·······································································································································································································208标志、包装、运输与贮存···································································································································································21附录A(标准的附录)回转支承的选型计算方法····················································································································23附录B(标准的附录)回转支承承载能力曲线·························································································································25JB/T2300-1999目次()III前言本标准是对JB2300—84《回转支承型式、基本参数和技术要求》的修订。本标准与JB2300—84相比,技术内容方面改变如下:——本标准增加了试验方法、检验规则、标志、包装、运输与贮存等内容,成为一个完整的产品标准,故将标准名称改为《回转支承》;——增加了一部分产品规格;——对各种滚道型式回转支承的总成装配精度做了适当调整。本标准自实施之日起代替JB2300—84。本标准的附录A、附录B都是标准的附录。本标准由工程机械标准化技术委员会提出并归口。本标准起草单位:天津工程机械研究所、徐州回转支承公司、山东莱阳重型机械厂。本标准主要起草人:徐向善、杜玉霞、罗霏、张明亮。本标准于1984年12月20日首次发布。JB/T2300-199911范围本标准规定了回转支承的型式、基本参数、要求、试验方法、检验规则、标志、包装、运输和贮存。本标准适用于工程机械、矿山机械、建筑机械及其它需要两部分相对回转运动机械的回转支承。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。GB/T308—1989滚动轴承钢球GB/T699—1999优质碳素结构钢技术条件GB/T1299—1985合金工具钢技术条件GB/T1357—1987渐开线圆柱齿轮模数GB/T2828—1987逐批检查计数抽样程序及抽样表(适用于连续批的检查)GB/T3077—1999合金结构钢技术条件GB/T3098.1—1982紧固件机械性能螺栓、螺钉和螺柱GB/T3098.2—1982紧固件机械性能螺母GB/T4661—1989滚动轴承圆柱滚子GB/T5617—1985钢的感应淬火或火焰淬火后有效硬化层深度的测定GB/T7324—1994通用锂基润滑脂GB/T10095—1988渐开线圆柱齿轮精度JB/T5947—1991工程机械包装通用技术条件JB/T7940.7—1995油杯技术条件HG/T2349—1992聚酰胺1010树脂HG/T2811—1996旋转轴唇形密封圈橡胶材料YB/T5148—1993金属平均晶粒度测定法3符号回转支承各部位名称及符号见表1。表1各部位名称及符号符号名称符号名称国家机械工业局1999-09-17批准中华人民共和国机械行业标准回转支承SwingbearingJB/T2300-1999代替JB2300—842000-01-01实施JB/T2300-19992DL(上排)滚道中心圆直径n安装孔个数DW(上排)滚动体直径n1油孔个数D1外圈安装孔分布圆直径dn1外圈安装孔直径D2内圈安装孔分布圆直径dn2内圈安装孔直径D公称外径dm1外圈安装螺纹孔直径d公称内径dm2内圈安装螺纹孔直径d1外圈内径L安装孔螺纹长度D3内圈外径da齿顶圆直径H总高m模数H1内、外圈高度x齿轮径向变位系数h内、外圈两端面高度差z齿数DS有效硬化层深度b齿宽4分类4.1结构型式回转支承由套圈(内圈、外圈、上下圈)、滚动体、隔离块、密封圈和油杯等组成。4.1.1滚道型式a)单排四点接触球式回转支承(01系列)见图1;b)双排异径球式回转支承(02系列)见图2,其滚动体公称直径组合为上排/下排:25/20,30/25,40/30,50/40,60/50;c)单排交叉滚柱式回转支承(11系列)见图3,其滚动体为1∶1成90°交叉排列;d)三排滚柱式回转支承(13系列)见图4,其滚动体公称直径组合为上排/下排/径向:25/20/16,32/25/20,40/32/25,45/32/25,50/40/25。4.1.2传动型式a)0—无齿式;b)1—渐开线圆柱齿轮外齿啮合小模数;c)2—渐开线圆柱齿轮外齿啮合大模数;d)3—渐开线圆柱齿轮内齿啮合小模数;e)4—渐开线圆柱齿轮内齿啮合大模数。4.1.3安装配合型式a)0—标准型无止口;b)1—标准型有止口;c)2—特殊型。4.1.4安装孔型式a)0—内、外圈安装孔均为通孔;b)1—内、外圈安装孔均为螺纹孔;JB/T2300-19993c)2—内圈安装孔为螺纹孔,外圈安装孔为通孔;d)3—外圈安装孔为螺纹孔,内圈安装孔为通孔。图1单排四点接触球式回转支承(01系列)图2双排异径球式回转支承(02系列)JB/T2300-19994图3单排交叉滚柱式回转支承(11系列)图4三排滚柱式回转支承(13系列)4.2基本参数4.2.1单排四点接触球式回转支承系列基本参数见表2。4.2.2双排异径球式回转支承系列基本参数见表3。4.2.3单排交叉滚柱式回转支承系列基本参数见表4。4.2.4三排滚柱式回转支承系列基本参数见表5。JB/T2300-19995表2单排四点接触球式回转支承系列基本参数基本型号外型尺寸安装孔尺寸结构尺寸齿轮参数外齿参数内齿参数DdHD1D2dn1dn2dm1dm2Ln1D3d1H1hbmdada序号无齿式外齿式内齿式mmnmmzmmz1010.20.200011.20.200—28012024815220119930098——2010.20.224011.20.224—304144272176122252233312105——3010.20.250011.20.280—33017029820225124935286——4010.20.280011.20.280—3602006032823216M1428182812795040434894——5010.25.315011.22.315013.25.31540822237225831631443585190406010.25.355011.25.355013.25.35544826241229820356354547593235497010.25.400011.25.400013.25.40049330745734340139952886276488010.25.450011.25.450013.25.45054335770507393242451449605065769432456011.30.500013.30.5005629123367749010.30.500012.30.500014.30.5004986628.8102368.462011.25.500013.25.50056291233677410010.25.500012.25.500014.25.5006023985664345014996628.8102368.462011.30.560013.30.56056891354278611010.30.560012.30.560014.30.5605586688.8112428.472011.25.560013.25.56056891354278612010.25.560012.25.560014.25.56066245862649420561559688.8112428.472011.30.630013.30.6306772.8126494.48313010.30.63001
本文标题:JB-T 2300-1999 回转支承
链接地址:https://www.777doc.com/doc-7944574 .html