General Cylindrical Worm basic dimensions and parameters are listed in the table below. Design of general cylindrical worm reducer device, the strength or bending strength by contact with the center distance a determined or m2d1, the general should be in the table data to determine the size of worm and worm wheel and parameters, according to Table 2 values to match. Table 2: General Cylindrical Worm Drive Worm basic dimensions and parameters and the matching parameters