HW type straight profile toroidal worm reducer (JB/T7936-1999) is called straight profile toroidal worm (also known as spherical worm) because of the toroidal worm pair adopted, and its axial section tooth profile of the worm is a straight line. , Same as other kinds of worm reducers, it is a spatial cross-shaft transmission, with high load carrying capacity and transmission efficiency. It is suitable for heavy-duty, high-power, high-torque transmission, such as metallurgy, mining, lifting, transportation, petroleum, chemical industry , Reduced transmission of construction and other mechanical equipment.Including: HWT, HWWT, HWB, HWWB four types.

    工作条件：输入、输出轴交错角为90°；蜗杆转速不超过1500r/min;蜗杆中间平面分度圆滑动速度不超过16m/s；蜗杆轴可正反向运转；工作环境温度为-40~40℃。当工作环境温度低于0℃时，启动前润滑油必须加热到0℃以上，或采用低凝固点的润滑油；高于40℃时，必须采取冷却措施。