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Mechanical engineering blog | Rotary Dampers | Ball Bearings | One-Way Clutches | Torque Limiters

What do you give importance to when you manufacture products?

One of the most critical points may be that the products can be used for a long time without breakage.

Today, we would like to introduce you to "Torque limiter" and "One-way clutch," which are seldomly found components used to create high-durable products.

Please note that we have updated our website with information about these components.

Mechanism of the torque limiter

The torque limiter has the mechanism that protects an object (e.g. machine ) from overload.

For example, if an electric screwdriver (object) including a torque limiter receives an overload, then the torque limiter cuts off the input to prevent the screw from being overtightened.







→For more details about applications that use the torque limiter, please see our website!


3 Advantages of choosing TOK torque limiters

- High rotation speeds

The most significant merit to choose TOK torque limiter is rotation speeds.

You can select from 2 kinds of torque limiters: Spring type and magnet type.

Magnet type has the world's highest rotation speeds, it is suitable for high-speed rotating machinery.

Also, if you want to control larger torque, you can use a spring type limiter.







- Easy operation

If the torque exceeds the rated value, the torque limiter detects the excess and blocks the transmission of rotation by slipping, and rotation is transmitted within the rated torque. 

It works in the same way if the direction of rotation is reversed.

No special operations are required, and TOK torque limiters are easy to install.

-Comfortable for use

One of the characteristics of TOK torque limiter is less backlash.

By modifying your product with TOK torque limiter, you can provide a  stress-free product to your customers.


Mechanism of the one-way clutch

A one-way clutch has a mechanism that locks rotation in one direction and transmits the power in the opposite direction. 

It is often used for office automation equipment. One-way clutches prevent the paper from tearing when it is ejected.






→For more details about applications that use the one-way clutch, please see our website!


An advantage of TOK one-way clutches

You can purchase not only a single clutch element, but also a clutch element with a custom housing.

So which is the best way to purchase?

TOK recommends purchasing the clutch element as a set with the custom housing for the following reasons.

Normally, when customers install the clutch element into the housing themselves:

-The clutch element does not fit in the housing

-The clutch element falls out of the housing

Suppose we design the most appropriate housing for TOK one-way clutch and incorporate it into the clutch element. In that case, you do not have to worry about them.






Our product pages have been updated!

We have renewed our web pages about torque limiters and one-way clutches.

Thanks to this renewal, you can easily understand the mechanism of the torque limiters and the one-way clutches with illustrations.

If you are interested in those products, you can learn more about them on our updated torque limiter and one-way clutch pages.


If you have any questions, please feel free to contact us.


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