瑞士Habasit同步带/同步轮主要部位尺寸允许差值Habasit同步轮节距公差同步轮外径公差轮外径允许差值任意两相临齿间90弧内约允差≤25.4000.030.05>25.40-50.800.030.08>50.80-101.600.030.10>101.60-177.800.030.13>177.80-304.800.030.15>304.80-508.000.030.18>508.000.030.20轮外径允许偏差≤25.4+0.05025.40-50.80+0.08050.80-101.60+0.100101.60-177.80+0.130177.80-304.80+0.150304.80-508.00+0.180508.00+0.200同步轮端面允许跳动量同步轮径向允许跳动量轮外径允许跳动量≤101.600.10>101.60-254.00轮外径×0.001>254.000.25+(轮外径-254.00)×0.005轮外径允许值≤203.200.13>203.200.13+(轮外径-203.20)×0.005)