XINLAN analyzes the basic characteristics of roller chain couplings

滚子链联轴器上链轮齿数一般取12～22范围内偶数齿,若取较少的链轮齿数,则链轮上的作用力增加；若取较多的链轮数,则联轴器补偿能力降低.半联轴器上链轮的分度圆直径dp=(12～13．5) 或dp=(2～3．2)d；罩壳外径DK=(1．15～1．2)dp；半联轴器外径D=(O.7～0.8)dp；半联轴器长度L=（1.9～2.8）d,大转矩时,取小的系数.双排滚子链联轴器性能优越,现已制订为国家标准；半联轴器的轮毂的外园的径向圆跳动按照GB/T 1184中的8级公差值；联轴器的润滑性能具有重大影响,无论有无外壳,均应涂润滑脂；半联轴器和罩壳不允许有裂缝,夹渣等影响强度的缺陷；性能优于其他结构型式的联轴器,为国内外广泛采用,我国亦已制订为国家标准.
   　　Roller chain coupling: It has certain compensation performance, but it cannot dampen vibration, so it is not suitable for shaft transmission with impact and vibration. This coupling is a kind of flexible coupling without elastic elements. No elastic elements Flexible couplings include: slider couplings, chain couplings, gear couplings, universal couplings, spherical roller couplings, ball couplings, steel ball couplings, etc. The shaft device uses a double-row roller chain to mesh with two identical side-by-side sprockets at the same time to realize the connection of two half couplings. The main difference between different structure types of chain couplings is that different chains are used, and the common ones are Double-row roller chain couplings, single-row roller chain couplings, toothed chain couplings, nylon chain couplings, etc.
 

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