同步带轮规格MXL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）同步带轮MXL规格（节距=2.032mm）同步带轮规格齿数节径d外径do档边直径df档边内径db档边厚度h22MXL2214.2313.721811123MXL2314.8814.371812.5124MXL2415.5215.021812.5125MXL2516.1715.661812.5126MXL2616.8216.312213127MXL2717.4616.962213128MXL2818.1117.602213129MXL2918.7618.252213130MXL3019.4018.902213132MXL3220.7020.192515134MXL3421.9921.482515136MXL3623.2922.782617138MXL3824.5824.072921140MXL4025.8725.362921142MXL4227.1726.662921144MXL4428.4627.953221146MXL4629.7529.253221148MXL4831.0530.5434.524.5150MXL5032.3431.8334.524.5152MXL5233.6333.1337.828160MXL6038.8138.304432172MXL7246.5746.0651361.2)