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February 14, 2020

Agricultural Gearbox
The agricultural gearbox is the primary mechanical element of the kinematic chain of agricultural machines. It is normally powered by the tractor power take-off via the PTO shaft and the gearbox drives. The working torque can also be transmitted to the gearbox by hydraulic motors or belt pulleys, furthermore to chain gears.
Agricultural gearboxes always have a single input shaft and at least one output shaft. If these shafts are positioned at 90° to each other, the gearbox is an ORTHOGONAL ANGLE gearbox or even more generally called a right-angle gearbox.

rotary tiller gearbox is adopted middle equipment transmission system, mounted with the tractor of 12-80HP. Tractor wheel tracks are totally covered after tillage as the functioning width is a lot wider. The quality is reliable and the functionality is well. So it can be used on dried out and paddy field. It can reduce the time, laboring, and cost, etc. during operation

Increasers and Reducers
When the gearboxes have the two gears with different numbers of teeth.
The gearbox is a reducer when the driving gear, i.e. the main one with the insight shaft, has the fewer number of teeth (pinion), hence the output shaft rotates slower compared to the input shaft.
It is called an increaser when the insight shaft is mounted on the apparatus with the larger number of teeth (crown), therefore the result shaft rotates faster compared to the input shaft.
Right-angle gearboxes, distributors or rotational reverse gearboxes
When the gearboxes have gears with the same number of the teeth.
The gearbox is known as right-angle when it only has two shafts (input and output),
whereas it really is called a distributor when there are at least two output shafts.
It really is called a rotational invert gearbox and parallel offset in the versions with parallel shafts with two gearboxes.

Speed change
in addition to the primary pair of gears and relevant shafts, the gearboxes may also have other gears with a different quantity of teeth. The apparatus shift of the primary pair of gears with the secondary ones allows different speeds. The manual switch of the secondary equipment set with gears with different quantity of teeth allows modifications to the result rotation speed.
CMR GROUP is able to design and produce also agricultural machinery applications.

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