07-09-2017, 09:38 AM
The screw helical gear screw is widely used to lift and lower the gate gate (entrance door, entrance door, discharge door, exit door) in the hydroelectric power station modernization or hydro-projects, which uses electric driven motor instead of human power starting with a simple manual operation Screw Motorized Unit, Dual Units ... multiple or tandem units with endless gearwheels with door cat mechanisms. Selection of the correct worm gear screw models following door gate sizes, door weight, gate friction force, water pressure, water impact force, speed of displacement required, etc. Common points include the type of inverted screw.