Acceleration reducers are mechanical gadgets that help drive systems maintain optimal rate and torque for the application form. Also called gearboxes and equipment drives, they lower the velocity of rotation of the input shaft by a certain ratio and increase the power transmitted to the output shaft by the same ratio. Ratio multipliers boost the speed reduction and torque given by a rate reducer by a specific ratio and are ideal for parallel setups. Installation bases, torque hands, and flange couplings are accessories used with velocity reducers. They are generally utilized in applications where in fact the speed reducer will not be directly attached to the drive mechanism.
Many gearbox designs allow for the electric motor to be directly mounted to the reducer. These styles incorporate either extremely exact flanges to permit the motor to be directly plugged into the reducer or other adapters with essential couplings. This eliminates the need for individual mounting of the engine, but is usually only practical with smaller motors.
Integrating Speed Reducers
After selection, the next issue is how the gearbox will be built-into the machine. Check the way the gearbox will become mounted and how it will be connected to the driver and driven load because it may differ from machine to machine.
torque
speed
horsepower
reducer efficiency
service factor
mounting position
connection variable
life required
In some applications the amount of backlash, transmission error, torsional rigidity, and instant of inertia are also important. The quantity of torque needed is perhaps the most important criteria, 
as this translates to the quantity of work the rate reducer must perform.
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