(高清版)GBT 11362-2021 同步帶傳動(dòng) 節(jié)距型號(hào)MXL,XXL,XL,L,H,XH和XXH梯形齒同步帶額定功率和傳動(dòng)中心距計(jì)算

ICS21.220.10代替GB/T11362—2008梯形齒同步帶額定功率和傳動(dòng)中心距計(jì)算withbeltspitchcodesMXL,XXL,XL,L,H,XHandXXH(ISO5295:2017,Synchronousbelts—Calculationofpowerratinganddrivecenterdistance,MOD)國(guó)家標(biāo)準(zhǔn)化管理委員會(huì)國(guó)家市場(chǎng)監(jiān)督管理總局發(fā)布國(guó)家標(biāo)準(zhǔn)化管理委員會(huì)GB/T11362—2021本標(biāo)準(zhǔn)按照GB/T1.1—2009給出的規(guī)則起草。本標(biāo)準(zhǔn)代替GB/T11362—2008《同步帶傳動(dòng)梯形齒同步帶額定功率和傳動(dòng)中心距的計(jì)算》,與——修改了帶輪中心距代號(hào)(見表1.,2008年版的表1); 修改了附錄B中選型圖并增加了XXL選型圖(見B.1.2008年版的A.1),增加了MXL、XXL功率表(見附錄B)。本標(biāo)準(zhǔn)使用重新起草法修改采用ISO5295:2017《同步帶額定功率和傳動(dòng)中心距的計(jì)算》。本標(biāo)準(zhǔn)與ISO5295:2017相比在結(jié)構(gòu)上增加了附錄A、附錄B和參考文獻(xiàn)。本標(biāo)準(zhǔn)與ISO5295:2017相比存在技術(shù)性差異，這些差異涉及的條款已通過在其外側(cè)頁邊空白位置的垂直單線(1)進(jìn)行了標(biāo)示，附錄A中給出了相應(yīng)技術(shù)性差異及其原因的一覽表。本標(biāo)準(zhǔn)由中國(guó)機(jī)械工業(yè)聯(lián)合會(huì)提出。本標(biāo)準(zhǔn)由全國(guó)帶輪與帶標(biāo)準(zhǔn)化技術(shù)委員會(huì)(SAC/TC428)歸口。本標(biāo)準(zhǔn)所代替標(biāo)準(zhǔn)的歷次版本發(fā)布情況為：——GB/T11362—1989、GB/T11362—2008。I1同步帶傳動(dòng)節(jié)距型號(hào)MXL、XXL、XL、L、傳動(dòng)中心距計(jì)算2規(guī)范性引用文件GB/T6931.3帶傳動(dòng)術(shù)語第3部分：同步帶傳動(dòng)(GB/T6931.3—2020,ISO5288:2017,MOD) 代號(hào)見表1。P帶和帶輪的齒節(jié)距mm帶寬mm基準(zhǔn)寬度，是同一帶型標(biāo)準(zhǔn)帶的最大寬度mmm帶寬為b.的單位長(zhǎng)度的質(zhì)量kg/m寬度為b.的帶的許用工作張力Nw小帶輪角速度rad/sv帶的線速度m/s小帶輪的齒數(shù)大帶輪的齒數(shù)Z帶的齒數(shù)小帶輪的嚙合齒數(shù)C帶輪中心距mm寬度為b。的帶的額定功率P寬度為b.的帶的額定功率寬度系數(shù)嚙合齒數(shù)系數(shù)取括號(hào)內(nèi)數(shù)值的整數(shù)部分5基準(zhǔn)額定功率寬度為b.。的帶的基準(zhǔn)額定功率P。由公式(1)計(jì)算： (1)寬度為b。,小帶輪嚙合齒數(shù)為Z.的帶額定功率按公式(2)計(jì)算： (2)6.2近似公式額定功率可按公式(3)近似計(jì)算：37.1精確公式首先用公式(4)計(jì)算輔助角θ:式中：invθ=tanθ-0,0(見圖1)的數(shù)值可用逐步逼近法或查漸開線函數(shù)表來確定。圖1中心距計(jì)算中心距按公式(5)計(jì)算： (5)按上式計(jì)算一般是正確的，但是當(dāng)Z?/Z?之值接近1時(shí)，上述方法不宜采用，因?yàn)镃的表達(dá)式成了兩個(gè)微量之比。在此情形下，推薦使用7.2給出的方法。7.2近似公式首先由公式(6)計(jì)算M值： (6)然后按公式(7)計(jì)算中心距C: (7)當(dāng)Z?/Z,之值很大時(shí)，應(yīng)避免采用這個(gè)方法而使用7.1中給出的方法。8小帶輪嚙合齒數(shù)Zm嚙合齒數(shù)由公式(8)計(jì)算： (8)4為方便計(jì)算，式可由代替。9嚙合齒數(shù)系數(shù)KzZm≥6,Kz=1;Zm<6,Kz=1-0.2(6-Zm)。10寬度系數(shù)Kw系數(shù)Kw由公式(9)給出：其中b。取決于帶型，其值如表2所示。Kw的計(jì)算結(jié)果，修約到兩位小數(shù)?！?基準(zhǔn)寬度節(jié)距代號(hào)基準(zhǔn)寬度bMXLXXLLHXXH11設(shè)計(jì)方法梯形齒同步帶傳動(dòng)設(shè)計(jì)方法示例見附錄B。5GB/T11362—2021(資料性附錄)表A.1給出了本標(biāo)準(zhǔn)與ISO5295:2017的技術(shù)性差異及其原因。表A.1本標(biāo)準(zhǔn)與ISO5295:2017的技術(shù)性差異及其原因本標(biāo)準(zhǔn)章條編號(hào)技術(shù)性差異原因1刪除了ISO中“本標(biāo)準(zhǔn)僅適用于梯形齒同步帶，不適用于曲線齒同步帶。”本標(biāo)準(zhǔn)名稱表達(dá)了此內(nèi)容。2——增加了引用文件GB/T6931.3帶傳動(dòng)術(shù)語第3部分：同步帶傳動(dòng)(見第3章)引用GB/T6931.3便于標(biāo)準(zhǔn)的使用附錄B增加了附錄B傳動(dòng)設(shè)計(jì)滿足我國(guó)產(chǎn)品使用需求6GB/T11362—2021(資料性附錄)梯形齒同步帶傳動(dòng)設(shè)計(jì)方法B.1梯形齒同步帶傳動(dòng)設(shè)計(jì)B.1.1梯形齒同步帶傳動(dòng)設(shè)計(jì)方法梯形齒同步帶傳動(dòng)設(shè)計(jì)方法見表B.1。表B.1設(shè)計(jì)方法計(jì)算項(xiàng)目代號(hào)單位設(shè)計(jì)功率Pd=K。PP——需傳遞的功率帶型MXLLH根據(jù)Pa和n,由圖B.1選擇，n1—小帶輪轉(zhuǎn)速，單位為轉(zhuǎn)每分當(dāng)選擇的帶型與相鄰帶型較接近時(shí)，將兩種帶型作平行設(shè)計(jì)，擇優(yōu)選用節(jié)距具體帶型對(duì)應(yīng)的節(jié)距。mm參見GB/T11361—2018表5小帶輪齒數(shù)按GB/T11361—2018表5選取，應(yīng)使Z?≥Zmn,Zmm見表B.6大帶輪齒數(shù)Z?=iZi為傳動(dòng)比；計(jì)算結(jié)果按GB/T11361—2018表5圓整小帶輪節(jié)徑d?=P?Z?/πmmPo——節(jié)距，單位為毫米(mm)大帶輪節(jié)徑d:=P.Z:/πmm帶速vvmx見表B.7節(jié)線長(zhǎng)按GB/T11616—2013表4選擇最接近的標(biāo)準(zhǔn)帶長(zhǎng)mmC?——初定中心距，單位為毫米(mm);7計(jì)算項(xiàng)目代號(hào)單位計(jì)算中心距C近似公式：精確公式：mmZ——帶的齒數(shù)Z?/Z?較大時(shí)，采用方法bZ?/Z,接近1時(shí)，采用方法a0(見圖1)的數(shù)值可用逐步逼近法或查漸開線函數(shù)表來確定小帶輪嚙合齒數(shù)ent[]——取括號(hào)內(nèi)的整數(shù)部分基準(zhǔn)額定功率型，Z.≥6時(shí))表B.9～表B.15給出了MXL～XXH型帶的基準(zhǔn)額定功率值T?！獛抌。的許用工作張力(見表B.8),單位為牛頓(N);b——帶的基準(zhǔn)寬度(見表2),單位為毫米(mm);m——帶寬b。的單位長(zhǎng)度的質(zhì)量(見表B.8),單位為千克每米(kg/m);v——帶的速度，單位為米每秒(m/s)嚙合齒數(shù)系數(shù)Zm≥6時(shí)，Kz=1;Zm<6時(shí)，Kz=1—0.2(6-Zm)額定功率P,≈KzKwPKw——寬度系數(shù)帶寬b.根據(jù)設(shè)計(jì)要求，P?≤P,故帶寬mmb.見表2計(jì)算結(jié)果按GB/T11616—2013確定帶寬。一般應(yīng)使b<d?驗(yàn)算工作能力PPa時(shí)，傳遞能力足夠T。和m查表B.8;8GB/T11362—2021500005000040000300002000034502500400xXHXXL235H設(shè)計(jì)功率(Pa)/kW圖B.1梯形齒同步帶選型圖B.1.2梯形齒同步帶傳動(dòng)設(shè)計(jì)方法示例梯形齒同步帶傳動(dòng)設(shè)計(jì)方法示例見表B.2。表B.2設(shè)計(jì)方法示例設(shè)計(jì)條件a)原動(dòng)機(jī)：額定功率2.2kW,異步電動(dòng)機(jī)；轉(zhuǎn)速：ni=1430r/min;b)工作機(jī)：液體攪拌機(jī)，工作轉(zhuǎn)速n?=350r/min.滿載工作；c)中心距要求：C≈500mm,帶輪直徑不受限制；d)運(yùn)行要求：每天24h計(jì)算項(xiàng)目代號(hào)單位設(shè)計(jì)功率Pa=K。P=1.8×2.2=3.96查表B.3.K。=1.8帶型根據(jù)Pa和n?由圖B.1選取H帶型n1——小帶輪轉(zhuǎn)速節(jié)距PPb=12.7mm見GB/T11361-2018表5小帶輪齒數(shù)按表B.6和GB/T11361—2018表5選取Z?=Zmn=18大帶輪齒數(shù)Z?=iZ?=Z?n?/n?=4.086Z?=73.55按GB/T11361—2018表5圓整Z?=72小帶輪節(jié)徑d?=P?Z?/π=72.77mmP——節(jié)距，mm大帶輪節(jié)徑d?=P.Z?/π=291.06mm帶速vvmmx=40m/s,見表B.79計(jì)算項(xiàng)目代號(hào)單位節(jié)線長(zhǎng)按GB/T11616—2013表4選擇最接近的標(biāo)準(zhǔn)帶長(zhǎng)Lp=1600.20,帶齒數(shù)Z=126,長(zhǎng)度代號(hào)為630mmC?——初定中心距，單位為毫米(mm):計(jì)算中心距C近似公式：=502.496mm精確公式mm=257.175Zp=126=3.1416逐步逼近法0=1.3518rad基準(zhǔn)額定功率Z?=18,n?=1430r/min由表B.13內(nèi)插法，P?=11.37查表B.8,T。=2100.85N,m=0.488kg/m嚙合齒數(shù)系數(shù)Z.=7≥6.Kz=1寬度系數(shù)額定功率帶寬根據(jù)設(shè)計(jì)要求，P?≤P,按GB/T11616—2013.b,=38.1<d?mm查表2.b。=76.2mm。計(jì)算結(jié)果按GB/T11616—2013確定帶寬驗(yàn)算工作能力=5.16kW>Pa=3.96kW.傳遞能力足夠Kw=0.451GB/T11362—2021表B.3載荷修正系數(shù)K。ab交流電動(dòng)機(jī)(普通轉(zhuǎn)矩鼠籠式、同步電動(dòng)機(jī)),直流電動(dòng)機(jī)(并激),多缸內(nèi)燃機(jī)交流電動(dòng)機(jī)(大轉(zhuǎn)矩、大滑差率、單相、滑環(huán)),直流電動(dòng)機(jī)(復(fù)激、串激),單缸內(nèi)燃機(jī)斷續(xù)使用普通使用8h～10h連續(xù)使用斷續(xù)使用普通使用8h～10h連續(xù)使用復(fù)印機(jī)、計(jì)算機(jī)、醫(yī)療器械清掃機(jī)、縫紉機(jī)、辦公機(jī)械、帶鋸盤輕負(fù)荷傳送帶、包裝機(jī)、篩子液體攪拌機(jī)、圓形帶鋸、平碾盤、洗滌機(jī)、造紙機(jī)、印刷機(jī)械攪拌機(jī)(水泥、粘性體)、皮帶輸送機(jī)、離心壓縮機(jī)、振動(dòng)篩。紡織機(jī)械(整經(jīng)機(jī)、繞線機(jī))、回轉(zhuǎn)壓縮機(jī)、往復(fù)式發(fā)動(dòng)機(jī)輸送機(jī)(盤式、吊式、升降式)、抽水泵、洗滌機(jī)、鼓風(fēng)機(jī)(離心式，引風(fēng)、排風(fēng))、發(fā)動(dòng)機(jī)、激磁機(jī)、卷揚(yáng)機(jī)、起重機(jī)、橡膠加工機(jī)(壓延、滾軋壓出機(jī))、紡織機(jī)械(紡紗、精紡、捻紗機(jī)、繞紗機(jī))離心分離機(jī)、輸送機(jī)(貨物、螺旋)、錘擊式粉碎機(jī)、造紙機(jī)(碎陶土機(jī)械(硅、粘土攪拌)、礦山用混料機(jī)、強(qiáng)制送風(fēng)機(jī)“當(dāng)使用張緊輪時(shí)，表B.3載荷系數(shù)應(yīng)加入表B.4中的使用張緊輪修正系數(shù)。當(dāng)增速傳動(dòng)時(shí)，表B.3載荷系數(shù)應(yīng)加入表B.5中的增速傳動(dòng)修正系數(shù)。表B.4使用張緊輪修正系數(shù)松邊內(nèi)側(cè)松邊外側(cè)緊邊內(nèi)側(cè)緊邊外側(cè)0表B.5增速傳動(dòng)修正系數(shù)0表B.6帶輪最少許用齒數(shù)小帶輪轉(zhuǎn)速n1H900～<1200表B.7同步帶允許最大線速度MXL、XXL、XLL、HXH、XXHVmax40～5035～4025～30表B.8帶的許用工作張力T。及單位長(zhǎng)度質(zhì)量mNmLHGB/T11362—2021表B.9MXL型帶(節(jié)距2.032mm,基準(zhǔn)寬度6.4mm)基準(zhǔn)額定功率P。單位為千瓦小帶輪轉(zhuǎn)速小帶輪齒數(shù)和節(jié)圓直徑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型帶(節(jié)距3.175mm,基準(zhǔn)寬度6.4mm)基準(zhǔn)額定功率P。單位為千瓦小帶輪轉(zhuǎn)速小帶輪齒數(shù)和節(jié)圓直徑mm—GB/T11362—2021表B.11XL型帶(節(jié)距5.080mm,基準(zhǔn)寬度9.小帶輪轉(zhuǎn)速小帶輪齒數(shù)和節(jié)圓直徑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型帶(節(jié)距9.525mm,基準(zhǔn)寬度25.4mm)基準(zhǔn)額定功率P。單位為千瓦小帶輪轉(zhuǎn)速小帶輪齒數(shù)和節(jié)圓直徑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：為帶輪圓周速度在33m/s以上時(shí)的功率值，設(shè)計(jì)時(shí)帶輪用碳素鋼或鑄鋼。GB/T11362—2021表B.13H型帶(節(jié)距12.7mm,基準(zhǔn)寬度76.2mm)基準(zhǔn)額定功率P?單位為千瓦小帶輪轉(zhuǎn)速小帶輪齒數(shù)和節(jié)圓直徑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：為帶輪圓周速度在33m/s以上時(shí)的功率值，設(shè)計(jì)時(shí)帶輪用碳素鋼或鑄鋼。GB/T11362—2021小帶輪轉(zhuǎn)速小帶輪齒數(shù)和節(jié)圓直徑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.