同步带轮规格/型号L型理论尺寸表同步带轮规格/型号主要部位理论尺寸表（挡边尺寸仅供参考）L型（节距=9.525mm）规格齿数节径d外径do档边直径df档边内径db档边厚度h12L1236.3835.624027113L1339.4138.654432114L1442.4541.684929115L1545.4844.7251361.216L1648.5147.7554391.217L1751.5450.7861451.218L1854.5753.8161451.219L1957.6156.8461451.220L2060.6459.8864481.221L2163.6762.9169541.222L2266.7065.9473551.223L2369.7368.9773551.224L2472.7772.0080601.225L2575.8075.0484641.226L2678.8378.0786701.227L2781.8681.1090701.228L2884.8984.1390701.230L3090.9690.2098781.232L3297.0296.26102831.234L34103.08102.32109901.236L36109.15108.39115951.238L38115.21114.451231031.240L40121.28120.511311111.542L42127.34126.581381181.544L44133.40132.641391101.546L46139.47138.711531331.548L48145.53144.771531331.550L50151.60150.8360L60181.91181.1572L72218.30217.5384L84254.68253.9296L96291.06290.30)