檢視链轮的原始碼

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中文名；链轮

外文名；sprocket wheel

定义；带嵌齿式扣链齿的轮子

应用领域；化工、纺织机械、食品加工
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'''链轮'''是一种带嵌齿式扣链齿的[[轮子]]，用以与节链环或缆索上节距准确的块体相啮合。链轮被广泛应用于化工、纺织机械、自动扶梯，木材加工，立体停车库，农业[[机械]]，食品加工、仪表仪器、[[石油]]等行业的机械传动等。<ref>[https://wenku.so.com/d/7c29df806affb71ea01686e9753e2d34 链轮型号大全 360文库],360文库 , 2021年9月7日</ref>

链轮齿形必须保证链节能平稳自如地进入和退出啮合，尽量减少啮合时的链节的冲击和接触应力，而且要易于[[加工]]。常用的链轮端面齿形见图1。它是由三段圆弧aa、ab、cd和一段直线bc构成，简称三圆弧-直线齿形。齿形用标准刀具加工，在链轮工作图上不必绘制端面齿形，只需在图上注明"齿形按3RGB1244-85规定制造"即可，但应绘制链轮的轴面齿形，其尺寸参阅有关设计手册。