Articles on: Learning & FAQ

Why Does the Right Angle Gearbox Have Greater Resistance?

As a transmission unit, the gearbox will inevitably generate a certain amount of resistance when transmitting power. However, different gearboxes generate different resistances, which is related to many factors, such as the type, size, speed ratio, etc. of the gearbox.
Generally speaking, the right-angle gearbox generates greater resistance than the conventional planetary gearbox, which is related to the internal structure and design of the right-angle gearbox.

This article will introduce the reasons why the right-angle gearbox has greater resistance.


The transmission structure of the right-angle gearbox causes greater resistance

In order to achieve the function of changing the output direction, a pair of bevel gears are used inside the right angle gearbox instead of the planetary gear train of the conventional planetary gearbox. Compared with the planetary gear train, the bevel gears generate greater resistance. Therefore, this is one of the reasons why the resistance of the right angle gearbox is larger.



The amount of grease used in the right angle gearbox results in greater resistance

In order to accommodate a pair of bevel gears with an installation angle of 90 degrees, the internal space of the right-angle gearbox is larger. Therefore, in order to ensure that the bevel gears can be fully lubricated, more grease is added to the angle box, which also causes the gears to be subjected to greater resistance during operation, resulting in greater resistance in the right-angle gearbox.

Gear clearance adjustment of right angle gearbox leads to greater resistance

When assembling the right angle gearbox, the gap between the bevel gears needs to be adjusted. In order to ensure the performance of the right angle gearbox, the gap between the bevel gears is generally adjusted to be smaller, which will also increase the resistance of the bevel gear transmission, thereby increasing the resistance of the right angle gearbox.
In short, due to the above reasons, the right angle gearbox generates greater resistance than the conventional planetary gearbox.

Considering the large resistance of the right-angle gearbox, the following points should be noted when using it to prevent the motor from failing to start due to excessive load:

Reduce acceleration

The starting torque required by the equipment is related to the load and acceleration. Therefore, in the case of large resistance, a longer acceleration time is required to reduce the starting torque to avoid the motor failing to start.

Use a motor with sufficient torque

The resistance of the gearbox is also part of the equipment load. Therefore, when selecting a motor, you need to consider the resistance of the gearbox, use a motor with sufficient torque, and ensure that the motor torque has a certain margin.

Ensure that the parameters of the driver are set correctly

The parameter settings of the driver will affect the performance of the motor. Therefore, it is necessary to ensure that the parameters of the driver are set reasonably to ensure that the motor has sufficient performance.

Updated on: 28/11/2024

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