(高清版)GBT 11362-2021 同步带传动 节距型号MXL,XXL,XL,L,H,XH和XXH梯形齿同步带额定功率和传动中心距计算

ICS21.220.10代替GB/T11362—2008梯形齿同步带额定功率和传动中心距计算withbeltspitchcodesMXL,XXL,XL,L,H,XHandXXH(ISO5295:2017,Synchronousbelts—Calculationofpowerratinganddrivecenterdistance,MOD)国家标准化管理委员会国家市场监督管理总局发布国家标准化管理委员会GB/T11362—2021本标准按照GB/T1.1—2009给出的规则起草。本标准代替GB/T11362—2008《同步带传动梯形齿同步带额定功率和传动中心距的计算》,与——修改了带轮中心距代号(见表1.,2008年版的表1); 修改了附录B中选型图并增加了XXL选型图(见B.1.2008年版的A.1),增加了MXL、XXL功率表(见附录B)。本标准使用重新起草法修改采用ISO5295:2017《同步带额定功率和传动中心距的计算》。本标准与ISO5295:2017相比在结构上增加了附录A、附录B和参考文献。本标准与ISO5295:2017相比存在技术性差异，这些差异涉及的条款已通过在其外侧页边空白位置的垂直单线(1)进行了标示，附录A中给出了相应技术性差异及其原因的一览表。本标准由中国机械工业联合会提出。本标准由全国带轮与带标准化技术委员会(SAC/TC428)归口。本标准所代替标准的历次版本发布情况为：——GB/T11362—1989、GB/T11362—2008。I1同步带传动节距型号MXL、XXL、XL、L、传动中心距计算2规范性引用文件GB/T6931.3带传动术语第3部分：同步带传动(GB/T6931.3—2020,ISO5288:2017,MOD) 代号见表1。P带和带轮的齿节距mm带宽mm基准宽度，是同一带型标准带的最大宽度mmm带宽为b.的单位长度的质量kg/m宽度为b.的带的许用工作张力Nw小带轮角速度rad/sv带的线速度m/s小带轮的齿数大带轮的齿数Z带的齿数小带轮的啮合齿数C带轮中心距mm宽度为b。的带的额定功率P宽度为b.的带的额定功率宽度系数啮合齿数系数取括号内数值的整数部分5基准额定功率宽度为b.。的带的基准额定功率P。由公式(1)计算： (1)宽度为b。,小带轮啮合齿数为Z.的带额定功率按公式(2)计算： (2)6.2近似公式额定功率可按公式(3)近似计算：37.1精确公式首先用公式(4)计算辅助角θ:式中：invθ=tanθ-0,0(见图1)的数值可用逐步逼近法或查渐开线函数表来确定。图1中心距计算中心距按公式(5)计算： (5)按上式计算一般是正确的，但是当Z₂/Z₁之值接近1时，上述方法不宜采用，因为C的表达式成了两个微量之比。在此情形下，推荐使用7.2给出的方法。7.2近似公式首先由公式(6)计算M值： (6)然后按公式(7)计算中心距C: (7)当Z₂/Z,之值很大时，应避免采用这个方法而使用7.1中给出的方法。8小带轮啮合齿数Zm啮合齿数由公式(8)计算： (8)4为方便计算，式可由代替。9啮合齿数系数KzZm≥6,Kz=1;Zm<6,Kz=1-0.2(6-Zm)。10宽度系数Kw系数Kw由公式(9)给出：其中b。取决于带型，其值如表2所示。Kw的计算结果，修约到两位小数。…………表2基准宽度节距代号基准宽度bMXLXXLLHXXH11设计方法梯形齿同步带传动设计方法示例见附录B。5GB/T11362—2021(资料性附录)表A.1给出了本标准与ISO5295:2017的技术性差异及其原因。表A.1本标准与ISO5295:2017的技术性差异及其原因本标准章条编号技术性差异原因1删除了ISO中“本标准仅适用于梯形齿同步带，不适用于曲线齿同步带。”本标准名称表达了此内容。2——增加了引用文件GB/T6931.3带传动术语第3部分：同步带传动(见第3章)引用GB/T6931.3便于标准的使用附录B增加了附录B传动设计满足我国产品使用需求6GB/T11362—2021(资料性附录)梯形齿同步带传动设计方法B.1梯形齿同步带传动设计B.1.1梯形齿同步带传动设计方法梯形齿同步带传动设计方法见表B.1。表B.1设计方法计算项目代号单位设计功率Pd=K。PP——需传递的功率带型MXLLH根据Pa和n,由图B.1选择，n1—小带轮转速，单位为转每分当选择的带型与相邻带型较接近时，将两种带型作平行设计，择优选用节距具体带型对应的节距。mm参见GB/T11361—2018表5小带轮齿数按GB/T11361—2018表5选取，应使Z₁≥Zmn,Zmm见表B.6大带轮齿数Z₂=iZi为传动比；计算结果按GB/T11361—2018表5圆整小带轮节径d₁=P₁Z₁/πmmPo——节距，单位为毫米(mm)大带轮节径d:=P.Z:/πmm带速vvmx见表B.7节线长按GB/T11616—2013表4选择最接近的标准带长mmC₀——初定中心距，单位为毫米(mm);7计算项目代号单位计算中心距C近似公式：精确公式：mmZ——带的齿数Z₂/Z₁较大时，采用方法bZ₂/Z,接近1时，采用方法a0(见图1)的数值可用逐步逼近法或查渐开线函数表来确定小带轮啮合齿数ent[]——取括号内的整数部分基准额定功率型，Z.≥6时)表B.9～表B.15给出了MXL～XXH型带的基准额定功率值T。——带宽b。的许用工作张力(见表B.8),单位为牛顿(N);b——带的基准宽度(见表2),单位为毫米(mm);m——带宽b。的单位长度的质量(见表B.8),单位为千克每米(kg/m);v——带的速度，单位为米每秒(m/s)啮合齿数系数Zm≥6时，Kz=1;Zm<6时，Kz=1—0.2(6-Zm)额定功率P,≈KzKwPKw——宽度系数带宽b.根据设计要求，P₄≤P,故带宽mmb.见表2计算结果按GB/T11616—2013确定带宽。一般应使b<d₁验算工作能力PPa时，传递能力足够T。和m查表B.8;8GB/T11362—2021500005000040000300002000034502500400xXHXXL235H设计功率(Pa)/kW图B.1梯形齿同步带选型图B.1.2梯形齿同步带传动设计方法示例梯形齿同步带传动设计方法示例见表B.2。表B.2设计方法示例设计条件a)原动机：额定功率2.2kW,异步电动机；转速：ni=1430r/min;b)工作机：液体搅拌机，工作转速n₂=350r/min.满载工作；c)中心距要求：C≈500mm,带轮直径不受限制；d)运行要求：每天24h计算项目代号单位设计功率Pa=K。P=1.8×2.2=3.96查表B.3.K。=1.8带型根据Pa和n₁由图B.1选取H带型n1——小带轮转速节距PPb=12.7mm见GB/T11361-2018表5小带轮齿数按表B.6和GB/T11361—2018表5选取Z₁=Zmn=18大带轮齿数Z₂=iZ₁=Z₁n₁/n₂=4.086Z₁=73.55按GB/T11361—2018表5圆整Z₂=72小带轮节径d₁=P₆Z₁/π=72.77mmP——节距，mm大带轮节径d₂=P.Z₂/π=291.06mm带速vvmmx=40m/s,见表B.79计算项目代号单位节线长按GB/T11616—2013表4选择最接近的标准带长Lp=1600.20,带齿数Z=126,长度代号为630mmC₀——初定中心距，单位为毫米(mm):计算中心距C近似公式：=502.496mm精确公式mm=257.175Zp=126=3.1416逐步逼近法0=1.3518rad基准额定功率Z₁=18,n₁=1430r/min由表B.13内插法，P₀=11.37查表B.8,T。=2100.85N,m=0.488kg/m啮合齿数系数Z.=7≥6.Kz=1宽度系数额定功率带宽根据设计要求，P₄≤P,按GB/T11616—2013.b,=38.1<d₁mm查表2.b。=76.2mm。计算结果按GB/T11616—2013确定带宽验算工作能力=5.16kW>Pa=3.96kW.传递能力足够Kw=0.451GB/T11362—2021表B.3载荷修正系数K。ab交流电动机(普通转矩鼠笼式、同步电动机),直流电动机(并激),多缸内燃机交流电动机(大转矩、大滑差率、单相、滑环),直流电动机(复激、串激),单缸内燃机断续使用普通使用8h～10h连续使用断续使用普通使用8h～10h连续使用复印机、计算机、医疗器械清扫机、缝纫机、办公机械、带锯盘轻负荷传送带、包装机、筛子液体搅拌机、圆形带锯、平碾盘、洗涤机、造纸机、印刷机械搅拌机(水泥、粘性体)、皮带输送机、离心压缩机、振动筛。纺织机械(整经机、绕线机)、回转压缩机、往复式发动机输送机(盘式、吊式、升降式)、抽水泵、洗涤机、鼓风机(离心式，引风、排风)、发动机、激磁机、卷扬机、起重机、橡胶加工机(压延、滚轧压出机)、纺织机械(纺纱、精纺、捻纱机、绕纱机)离心分离机、输送机(货物、螺旋)、锤击式粉碎机、造纸机(碎陶土机械(硅、粘土搅拌)、矿山用混料机、强制送风机“当使用张紧轮时，表B.3载荷系数应加入表B.4中的使用张紧轮修正系数。当增速传动时，表B.3载荷系数应加入表B.5中的增速传动修正系数。表B.4使用张紧轮修正系数松边内侧松边外侧紧边内侧紧边外侧0表B.5增速传动修正系数0表B.6带轮最少许用齿数小带轮转速n1H900～<1200表B.7同步带允许最大线速度MXL、XXL、XLL、HXH、XXHVmax40～5035～4025～30表B.8带的许用工作张力T。及单位长度质量mNmLHGB/T11362—2021表B.9MXL型带(节距2.032mm,基准宽度6.4mm)基准额定功率P。单位为千瓦小带轮转速小带轮齿数和节圆直径mm9.069.7020.7023.2925.870.0100.0130.0120.0150.0180.0220.0130.0160.020.0240.0390.0140.0170.0210.0260.0420.0160.0190.0230.0290.0470.0170.0210.0260.0320.0520.0190.0230.0290.0350.0570.0210.0250.0310.0380.0620.0220.0260.0330.0400.0650.0230.0280.0340.0420.0680.0240.0300.0360.0450.0730.0260.0320.0390.0480.0780.0280.034.0420.0510.0830.0310.0380.0470.0570.0930.0350.0420.0520.0640.1040.0010.0020.0030.004—0.0010.0030.0040.0050.0470.0010.0030.0040.0050.0500.0010.0030.0040.0060.0570.0020.0030.0050.0070.0630.0020.0040.0050.0070.0690.0020.0040.0060.0080.0750.0020.0040.0070.0090.0790.0020.0050.0070.0090.0820.0020.0050.0070.0100.0880.0030.0050.0080.0100.0940.0030.0050.0080.0110.1000.0030.0060.0090.0120.1130.0030.0070.0100.0130.1250.0040.0070.0110.0150.0050.0070.0080.0090.0100.0060.0080.0090.0100.0120.0070.0080.0100.0110.0120.0070.0090.0100.0120.0130.0080.0100.0120.0130.0150.0090.0110.0130.0150.0160.0100.0120.0140.0160.0180.0110.0130.0150.0180.0200.0110.0140.0160.0180.0210.0120.0140.0170.0190.0210.0130.0150.0180.0200.0230.0140.0160.0190.0220.0250.0150.0180.0200.0230.0260.0160.0200.0230.0260.0300.0180.0220.0260.0290.0330.0110.0120.0130.0130.0140.0150.0170.0180.0140.0150.0160.0180.0190.0150.0160.0180.0190.0200.0160.0180.0200.0210.0230.0180.0200.0220.0240.0260.0200.0220.0240.0260.0280.0220.0240.0260.0280.0310.0230.0250.0270.0300.0320.0240.0260.0280.0310.0330.0260.0280.0310.0330.0360.0270.0300.0330.0360.0380.0290.0320.0350.0380.0410.0330.0360.0390.0430.0460.0370.0400.0440.0470.0510.0190.0200.0220.0230.0210.0220.0230.0250.0270.0220.0230.0250.0260.0290.0250.0260.0280.0300.0330.0270.0290.0310.0330.0370.0300.0320.0340.0360.0400.0330.0350.0370.0390.0440.0340.0370.0390.0410.0460.0360.0380.0400.0430.0470.0380.0410.0430.0460.0510.0410.0440.0470.0490.0550.0440.0470.0500.0530.0580.0490.0530.0560.0590.0660.0550.0580.0620.0660.0730.0300.0330.0360.0320.0350.0380.0410.0440.0360.0390.0430.0460.0490.0400.0440.0470.0510.0550.0440.0480.0520.0560.0600.0480.0530.0570.0610.0660.0500.0550.0590.0640.0680.0520.0570.0620.0660.0710.0560.0610.0660.0710.0770.0600.0660.0710.0770.0820.0640.0700.0760.0820.0870.0720.0790.0850.0920.0980.0800.0870.0950.1020.10940000.0470.0500.0530.0530.0560.0590.0620.0660.0580.0620.0660.0690.0730.0640.0680.0720.0760.0800.0700.0740.0790.0830.0870.0730.0770.0820.0870.0910.0760.0810.0850.0900.0950.0820.0870.0920.0970.1020.0870.0930.0980.1040.1090.0930.0990.1050.1110.1160.1050.1110.1180.1240.1310.1160.1240.1310.1380.14542004400460048000.0690.0720.0750.0790.0770.0800.0840.0870.0840.0880.0920.0960.0920.0960.1000.1050.0960.1000.1050.1090.0990.1040.1090.1130.1070.1120.1170.1220.1150.1200.1250.1310.1220.1280.1340.1390.1370.1440.1500.1560.1520.1590.1660.173GB/T11362—2021表B.10XXL型带(节距3.175mm,基准宽度6.4mm)基准额定功率P。单位为千瓦小带轮转速小带轮齿数和节圆直径mm—GB/T11362—2021表B.11XL型带(节距5.080mm,基准宽度9.小带轮转速小带轮齿数和节圆直径mm22.6425.8729.1145.2848.510.0400.0490.0480.0590.0730.0890.1450.0570.0690.0850.1040.1690.0650.0790.0970.1190.1930.0730.0890.1090.1340.2160.0810.0980.1210.1480.2400.0890.1080.1330.1630.2630.0970.1180.1450.1780.2870.1130.1380.1690.2070.3330.1210.1470.1810.2210.3550.0040.0090.0130.0170.1750.0050.0100.0150.0200.2040.0060.0120.0180.0240.2320.0070.0140.0200.0270.2610.0080.0150.0230.0310.2890.0090.0170.0260.0340.3170.0090.0190.0280.0370.3450.0100.0200.0310.0410.3990.0120.0240.0360.0480.4250.0130.0260.0380.0510.0210.0260.0300.0340.0380.0260.0310.0360.0410.0460.0300.0360.0420.0480.0540.0340.0410.0480.0540.0610.0380.0460.0540.0610.0690.0430.0510.0600.0680.0760.0470.0560.0650.0750.0840.0510.0610.0710.0820.0920.0600.0710.0830.0950.1070.0640.0760.0890.1020.1150.0430.0470.0510.0560.0610.0660.0710.0600.0650.0710.0770.0830.0680.0750.0820.0880.0950.0760.0840.0920.0990.1070.0850.0930.1020.1100.1190.0930.1030.1120.1210.1310.1020.1120.1220.1320.1420.1190.1310.1420.1540.1660.1270.1400.1520.1650.1780.0760.0820.0870.0920.1020.0890.0950.1010.1070.1190.1020.1090.1150.1220.1360.1150.1220.1300.1370.1520.1270.1360.1440.1520.1690.1400.1490.1580.1680.1860.1520.1630.1730.1830.2030.1780.1890.2010.2130.2360.1900.2030.2150.2280.2520.1120.1220.1320.1420.1520.1310.1420.1540.1660.1780.1490.1630.1760.1890.2030.1680.1830.1980.2130.2280.1860.2030.2190.2360.2520.2040.2230.2410.2590.2770.2230.2420.2620.2820.3010.2590.2820.3040.3270.3490.2770.3010.3250.3490.37340000.1630.1730.1830.1890.2010.2130.2160.2290.2420.2560.2690.2420.2570.2720.2870.3010.2690.2850.3010.3170.3330.2950.3120.3300.3480.3650.3210.3400.3590.3780.3960.3710.3930.4150.4360.4580.3960.4200.4430.4650.48742004400460048000.2820.2950.3080.3210.3160.3300.3450.3590.3490.3650.3810.3960.3820.4000.4170.4330.4150.4330.4520.4700.4780.4990.5190.5390.5090.5310.5520.573GB/T11362—2021表B.12L型带(节距9.525mm,基准宽度25.4mm)基准额定功率P。单位为千瓦小带轮转速小带轮齿数和节圆直径mm36.3842.4548.5154.5760.6466.7084.8990.9097.020.340.400.440.540.390.470.520.630.770.450.540.590.720.880.510.610.660.810.990.560.670.730.900.620.740.810.980.670.810.880.730.870.950.780.940.840.900.050.090.950.050.110.060.120.070.140.080.160.090.170.090.190.100.200.110.220.120.230.120.254.090.140.284.350.160.314.114.560.170.344.334.690.190.374000.140.190.230.280.330.160.220.270.330.380.190.250.310.370.430.210.280.350.420.490.230.310.390.470.540.260.340.430.510.600.280.370.470.560.650.300.400.500.600.700.330.430.540.650.760.350.470.580.700.810.370.500.620.740.870.420.560.700.830.970.470.620.770.930.510.680.850.560.740.930.370.420.470.510.560.430.490.540.600.650.500.560.620.680.740.560.630.700.770.830.620.700.770.850.930.680.770.850.930.740.830.930.800.900.860.970.930.990.600.650.700.740.790.700.760.810.870.920.800.870.930.990.900.970.830.880.930.974.054.004.174.324.074.244.404.534.104.294.454.584.674000420044004.074.004.134.244.034.174.294.404.204.334.454.554.634.454.564.654.714.754.634.704.754.764.744.744.764.754.704.60460048004.104.184.294.354.454.494.584.694.744.764.754.694.604.464.27注：为带轮圆周速度在33m/s以上时的功率值，设计时带轮用碳素钢或铸钢。GB/T11362—2021表B.13H型带(节距12.7mm,基准宽度76.2mm)基准额定功率P₀单位为千瓦小带轮转速小带轮齿数和节圆直径mm56.6064.6872.7780.8588.9497.024.516.186.748.236.959.256.437.718.428.489.269.258.358.999.6322.2420.2124.5616.7818.2822.1326.8324.0329.0628500.620.710.8024.5629.290.8926.8431.900.9829.0634.411.072.1331.2236.822.3121.2933.3339.131.242.4922.7335.3741.321.332.6724.1637.3343.381.422.8426.9541.0447.0929.6744.4050.2032.3047.3952.641.9634.8449.9654.352.134.274002.494.352.132.844.274.972.404.004.802.674.446.212.934.895.866.834.276.394.626.928.074.976.217.458.684.006.669.304.275.687.108.519.914.806.399.567.108.867.809.746.398.514.976.398.516.398.779.568.869.748.779.748.519.569.219.9120.8717.3519.2021.0422.8518.8720.8722.8524.809.219.9120.7118.3619.6220.8822.1219.5420.8722.2023.5120.3821.8723.3424.8026.2422.5324.1625.7627.3528.9024.6426.4028.1329.8231.4826.7228.5930.4332.2333.9820002100220020.1321.0420.8721.8722.8520.3821.4622.5323.5924.6421.8723.0224.1625.2826.4023.3424.5625.7626.9528.1324.8026.0827.3528.5929.8227.6629.0630.4331.7833.1130.4331.9333.4034.8436.2433.1134.6936.2437.7439.1935.6837.3338.9340.4741.962300240025002600280020.3821.8720.0420.8721.7022.5324.1621.9522.8523.7524.6426.4023.8324.8025.7626.7228.5925.6826.7227.7428.7530.7327.5028.5929.6730.7332.8229.2930.4331.5632.6734.8431.0332.2333.4034.5536.7934.4135.6836.9238.1440.4737.6038.9340.2241.4743.8440.6041.9643.2644.5146.8443.3844.7346.0247.2449.4523.3524.8026.2425.7627.3528.9030.4331.9328.1329.8231.4933.1134.6930.4332.2333.9835.6837.3332.6734.5536.3838.1439.8434.8436.7938.6740.4742.2036.9338.9340.8542.6844.4038.9340.9742.9144.7346.4342.6744.7346.6448.3849.9646.0248.0149.7951.3552.6748.9350.7552.3053.5554.4951.3552.9154.1154.9255.334000420044004600480033.4034.8436.2437.6038.9336.2437.7439.1940.6041.9638.9340.4741.9643.3844.7341.4743.0344.5145.9247.2443.8445.3946.8448.2049.4546.0247.5348.9350.2051.3548.0149.4550.7551.9152.9151.3552.5553.5554.3554.9253.7554.5655.1055.3655.3155.1055.3755.2754.7853.9055.3154.8453.9052.4650.50注：为带轮圆周速度在33m/s以上时的功率值，设计时带轮用碳素钢或铸钢。GB/T11362—2021小带轮转速小带轮齿数和节圆直径mm212.23226.38282.9822.5020.5020.8524.4922.1722.5526.4723.8324.2328.4325.4825.9130.3827.1327.5832.3033.5834.1339.8123.6228.1830.6637.0244.7025.7030.6333.3040.1348.2827.7733.0535.9143,1751.7329.8135.4438.4746.1355.0531.8437.8041.0049.0158.2233.8540.1343.4751.8161.2441.6549.0152.8562.0671.52285053.446.5957.4078.4581.3761.1480.4580.1064.6281.3678.90:4.208.3967.8381.1071.624.508.9870.7479.5764.104.809.5879.124009.8822.8221.3724.8423.1126.8420.7924.8428.8322.2426.5630.8023.6928.2632.7523.6929.3934.9540.3425.9929.1132.1935.2338.2128.2631.6434.9538.2141.3930.5234.1337.6741.1344.5032.7536.