RDA-220-A Planar二次包络 worm gear reducer - The RDA-220-A Planar二次包络 worm gear reducer is made of steel plate welding with a three-dimensional appearance. Its internal structure features a Planar二次包络 tooth profile, inheriting the characteristics of a Planar二次包络 worm gear reducer. Model: RDA, reduction ratio: 200. Bearings are from Havalor, and high-temperature oil seals are used. Equipped with a cooling water system for easy temperature reduction. The RDA-220-A Planar二次包络 worm gear reducer is driven by gears to power the worm, which in turn drives the output shaft to complete the operation. The reducer does not include a motor; customers need to purchase separately as required.