Electric Gear Box Cover

Electric Gear Box Cover

A  transmission  is a  machine  in a  power  transmission system, which provides controlled application of the power. Often the term transmission refers simply to the  gearbox  that uses  gears  and  gear trains  to provide  speed  and  torque  conversions from a rotating power source to another device.             

In  British English , the term  transmission  refers to the whole  drivetrain , including  clutch , gearbox, prop shaft (for rear-wheel drive),  differential , and final drive shafts. In  American  English, however, the term refers more specifically to the gearbox alone , and detailed usage differs. [note 1]             

The most common use is in  motor vehicles , where the transmission adapts the output of the  internal combustion engine  to the drive wheels. Such engines need to operate at a relatively high  rotational speed , which is inappropriate for starting, stopping, and slower travel. The transmission reduces the higher engine speed to the slower wheel speed, increasing  torque  in the process. Transmissions are also used on pedal bicycles, fixed machines, and where different rotational speeds and torques are adapted.        

Often, a transmission has multiple gear ratios (or simply "gears") with the ability to switch between them as speed varies. This switching may be done manually (by the operator) or automatically. Directional (forward and reverse) control may also be provided. Single-ratio transmissions also exist, which simply changes the speed and torque (and sometimes direction) of motor output.

In motor vehicles, the transmission generally is connected to the engine  crankshaft  via a flywheel or clutch or fluid coupling, partly because internal combustion engines cannot run below a particular speed. The output of the transmission is transmitted via the  driveshaft  to one or more  differentials , which drives the wheels. While a differential may also provide gear reduction, its primary purpose is to permit the wheels at either end of an axle to rotate at different speeds (essential to avoid wheel slippage on turns) as it changes the direction of rotation.

Conventional gear / belt transmissions are not the only mechanism for speed / torque adaptation. Alternative mechanisms include  torque converters  and power transformation (eg  diesel-electric transmission  and  hydraulic drive system ). Hybrid configurations also exist. Automatic transmissions use a valve body to shift gears using fluid pressures in response to speed and throttle input.



Electric Gear Box Cover
Electric Gear Box Cover

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Contact Information

CONTACT US

Ningbo Jinyao Machinery Company. LTD

Contact Person: Alex Micheal

Phone:+86-1586-7464794

Fax:+86-0574-8614-5126

Address: no.226 Tianshan Road Beilun District ,Ningbo,Zhejiang

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