Speed reducers are mechanical products that help drive systems maintain optimal acceleration and torque for the application form. Also called gearboxes and gear drives, they lower the rate of rotation of the input shaft by a particular ratio and boost the power transmitted to the result shaft by the same ratio. Ratio multipliers increase the speed reduction and torque given by a speed reducer by a certain ratio and 
are suitable for parallel setups. Mounting bases, torque arms, and flange couplings are accessories used with swiftness reducers. They are often utilized in applications where in fact the speed reducer will not be directly attached to the drive mechanism.
Many gearbox designs allow for the engine to be directly mounted to the reducer. These designs incorporate either extremely exact flanges to permit the electric motor to be directly plugged into the reducer or additional adapters with essential couplings. This eliminates the necessity for individual mounting of the motor, but is generally only practical with smaller sized motors.
Integrating Speed Reducers
After selection, another issue is the way the gearbox will be built-into the machine. Always check how the gearbox will end up being mounted and how it’ll be connected to the driver and powered 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 second of inertia are also important. The quantity of torque needed is perhaps the most crucial criteria, as this translates to the quantity of work the velocity reducer must perform.
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