PT ALVA PRIMA - TOKO TEKNIK LTC GLODOG JAKARTA. EMAI  :   ALVAPRIMA@CBN.NET.ID SEW GEAR MOTOR WE ARE SUPLLY / DISTRIBUTOR / AGENT  FOR :SEW Product Types Parallel Shaft Right Angle Shaft Geared Motors Shaft Mount SPEED REDUCER Girth Gear AGitator Gearbox HELICAL GEAR MOTOR & BEVEL GEAR WORM GEAR VARIATOR PLANETARY SHAFT GEARBOX CYCLO SPEED GEAR REDUCER Gearboxes are mechanical devices used to increase output torque and reduce the speed, or RPM (Revolutions per Minute) of a motor. The shaft of the motor is connected to the gearbox at one end and through the internal arrangement of gears in the gearbox, a desired output torque and speed is obtained. Depending on the application, gearboxes usually come in the following types: Helical, Bevel-Helical, Worm and Planetary gearboxes. Helical Gear Boxes are the most efficient and most common where Bevel-Helical similar to Helical and are meant to save spaces without sacrificing the advantages of Helical Gear Boxes. Worm Gear Box is a natural braking device and suitable for any application that require to not move when at rest. Lastly Planetary Gear Box is famous for High Reduction Ratio in a compact body.