Factors to Consider When Buying a Gearbox


Buying a gearbox that’s suitable to be used in a specific application can be a difficult task as there are so many types of gearboxes available on the market.

The huge number of options can make it difficult for a buyer to pick one. The most important thing is to be aware of your needs. You cannot pick the right gearbox if you do not know what you need it for.

Technically speaking, they all do the same thing. However, they all come with different characteristics, hence it is important to be careful when choosing a gearbox.

For example, some gearboxes are used to control the speed, while some are for managing extreme loads and distributing them evenly, such as planetary gearboxes. A planetary gear system has many planetary rings in it. They distribute the load equally among one another which makes this option a good choice since it produces more torque and is also more reliable than other choices.

If you are still confused about how to choose a gearbox then consider these factors:

1. Output Torque

Gearboxes with higher gear ratios are meant to produce a greater amount of torque. The more the speed, the more will be the resultant torque. This is why it has to be kept in mind.

However, going for ‘more speed’ may not always be a good option since some applications do not require a high speed. In such a scenario, you will have to go for the other option. Nonetheless, many gearboxes even allow you to increase or decrease the speed as needed.

This is a very important point to remember when picking a gearbox.

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2. Gear Ratio

Every gearbox has gears and teeth. The gear ratio of a gearbox is associated with the number of revolutions that occur in between the teeth of two gears.

Gearboxes that have large gears will have more number of teeth in them.

Gear ratios are important as they determine how powerful a particular gearbox is. For example, a gearbox that has 24 teeth in the first gear and 12 teeth in the latter will have a ratio of 2:1.

It is the gear ratio that determines how much speed (RPM) will a gearbox require to produce motion.

Hence, if the requirement is to produce high speed then opt for a gearbox that has a higher gear ratio.

3. Gear Placement

The arrangement of gears in a gearbox determines its efficiency and tells how much heat it will lose under operation. The rule of thumb is to opt for a gearbox that produces more torque in exchange for less amount of heat.

Apart from being efficient and producing less heat, there’s another factor to consider: weight load distribution.

There aren’t many gearboxes that can bear a lot of load and distribute it evenly. One gearbox that is good at distributing the load is a planetary gearbox. It is capable of doing so because of the placement of planetary gears.

It distributes the loud evenly, hence it’s more durable, too.

The Conclusion

Keep these factors in mind when choosing a gearbox so that you can pick the right one. In addition to this, you must also buy the gearbox from a reliable seller since not all products are made equal.