齿型20A齿数Z17节距p31.75排数n1滚子直径d119.05分度圆直径d172.7572齿侧倒角ba4.1275链轮齿总宽bfn齿侧半径rx17.95531.75齿型28A齿数Z18节距p44.45排数n1滚子直径d125.4分度圆直径d255.9773523齿侧倒角ba5.7785链轮齿总宽bfn齿侧半径rx23.95944.45齿型16A齿数Z16节距p25.4排数n1滚子直径d115.88分度圆直径d130.1961069链轮齿总宽bfn齿侧半径rx14.962525.4齿侧倒角ba3.302齿型节距p24A38.1齿数Z排数n161链轮齿总宽bfn齿侧半径rx23.95938.1滚子直径d122.23分度圆直径d195.2941604齿侧倒角ba4.953齿型节距p32A50.8齿数Z排数n121链轮齿总宽bfn齿侧半径rx29.972550.8滚子直径d128.58分度圆直径d196.2761312齿侧倒角ba6.604内节内宽b118.9齿顶圆直径damax193.427072齿顶圆直径damin182.5013367排距Pt35.76齿根圆直径df153.739572Dg<137.7003013内链板高h230.18内节内宽b125.22齿顶圆直径damax286.1398523齿顶圆直径damin271.0762412排距Pt48.87齿根圆直径df230.5773523Dg<207.3988813内链板高h242.24
内节内宽b115.75齿顶圆直径damax146.0661069排距Pt29.29齿根圆直径df114.3161069齿顶圆直径damin137.1761069Dg<101.8392253内链板高h224.13排距Pt45.44齿根圆直径df173.01604Dg<153.133638内链板高h236.2排距Pt58.55齿根圆直径df167.6961312Dg<138.6377844内链板高h248.26
内节内宽b125.22齿顶圆直径damax220.61604齿顶圆直径damin207.3541604内节内宽b131.55齿顶圆直径damax231.1961312齿顶圆直径damin211.7227978
