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ID:57020695
大小:1.95 MB
页数:23页
时间:2020-07-31
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1、带轮Pulley圆弧齿同步带轮轮齿ArctoothTimingtooth型号Type节距pb齿槽深hg齿槽圆弧半径R齿顶圆半角r1齿槽宽s两倍节顶距2δ齿形角3M31.280.910.26~0.351.900.762≈14°5M52.161.560.48~0.523.251.144≈14°8M83.542.570.78~0.845.351.372≈14°14M146.204.651.36~1.509.802.794≈14°20M208.606.841.95~2.2514.804.320≈14°直边齿廓尺寸Dimensionoflineartypepulley型号Type
2、MXLXXLXLLHXHXXH齿槽底宽bw0.84±0.051.14±0.051.32±0.053.05±0.104.19±0.137.90±0.1512.17±0.180000000齿槽深hg0.690.841.652.673.057.1410.31-0.05-0.05-0.08-0.10-0.13-0.13-0.13齿槽半角Φ+1.5°20252520202020齿根圆角半径rb0.350.350.411.191.601.983.96+0.05+0.05+0.05+0.13+0.13+0.13+0.13齿顶圆角半径rt0.130.300.641.171.602.39
3、3.180000000两倍节顶距2β0.5080.5080.5080.7621.3722.7943.0481、同步带轮的型式PulleyTypes2、齿型尺寸、公差及技术参数Dimension,Tolerances&TechnicalParameters3、各种型号同步带轮齿面宽度尺寸表DimensionofPulleyToothFlankWidth4、订购须知OrderAttention圆弧齿轮传动类型:1,thetypeofsynchronousbeltround1)圆弧圆柱齿轮分单圆弧齿轮和双圆弧齿2,tooth-size,toleranceandtechnica
4、lparameters轮。3,variousmodelsofsynchronousbelttoothsurfacewidthsizetable2)单圆弧齿轮的接触线强度比同等条件下渐4,orderingnotes开线齿轮高,但弯曲强度比渐开线低。3)圆弧齿轮主要采用软齿面或中硬齿面,采ArcGeartypes:用硬齿面时一般用矮形齿。1)single-cylindergearcirculararcgearanddoublearcgear.圆弧齿轮传动设计步骤:2)single-arcgearcontactlineintensityratiounderthesamecon
5、ditionsinvolutegear,but1)简化设计:根据齿轮传动的传动功率、输bendingstrengththaninvolutelinelow.入转速、传动比等条件,确定中心距、模数3)arcgearusedmainlyinthesoftorhardenedtoothsurface,whichtendstobeusedwhen等主要参数。如果中心距、模数已知,可跳usingHardeneddwarfgear.过这一步。2)几何设计计算:设计和计算齿轮的基本参Arcgeardrivedesignsteps:数,并进行几何尺寸计算。1)simplifythede
6、sign:Accordingtothetransmissiongeartransmissionpower,input3)强度校核:在基本参数确定后,进行精确speed,transmissionratioandotherconditionstodeterminecenterdistance,modulus,and的齿面接触强度和齿根弯曲强度校核。otherkeyparameters.Ifthecenterdistancemodulusknown,canskipthisstep.4)如果校核不满足强度要求,可以返回圆弧齿轮传动的特点:2)calculatethegeomet
7、ricdesign:designandthebasicparametersofgear,andgeometry1)圆弧齿轮传动试点啮合传动,值适用于斜calculation.齿轮,不能用于直齿轮。2)相对曲率半径比渐开线大,接触强度比渐3)StrengthCheck:Thebasicparametersestablished,theprecisetoothcontactstrength开线高。andflexuralstrengthtoothrootcheck.3)对中心距变动的敏感性比渐开线大。加工时,对切齿深度要求较高,不允许径向变位4
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