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Tsubaki | Pin Gear Drive Unit

Tsubaki Philippines Corporation | Pin Gear Drive Unit

What is Pin gear drive unit?​​

This is a gear rack with rollers that transmits power through the meshing of pin gears and pins (rollers).

PDU is a nickname from the acronym for Pin Gear Drive Units.​​​​​​​​

linear motion

linear motion

rotational motion

This is a transmission part that has the same function as a gear or rack and pinion, and converts rotation into linear motion or rotation into another type of rotational motion by combining a pin-mechanical wheel rack with a dedicated gear. It has been delivered to a variety of devices.

linear motion
rotational motion
rotational motion

linear motion

rotational motion

Features

  • - Uses a segment system, making installation easy
  • The pin gear is designed with a generous module, and the excellent balance with the pin wheel/pin rack allows for large transmission torque.
  • ・Wide variety to suit your needs

Product Info shows the standard dimensions. We can also consider other dimensions, so please let us know your requirements.

Pin gear drive unit Structure​​

The unit consists of a pin rack or pin wheel and pin gear.
The basic structure of a pin rack/pin wheel is almost the same as that of a chain, with bushings press fit into a frame of any shape and rollers inserted.

Pin gear drive unit Structure<sup></sup>

<Reference> Chain structure

Chain structure

Pin gear drive unit​Unit Application Examples

Our wide range of Pin gear drive unit are used in a variety of applications.

Movements that Pin gear drive unit can provide

・Rotate


Application examples:
turntable

point:
Segment system allows for large diameter layouts
It has been used on tables with a diameter of 10m or more.

Turning

Turning

・Rotate


Application examples:
rotary kiln

point:
Easier to install than large gears
Effective even when it is difficult to produce a perfect circle on the equipment side

rotate

rotate

・Going straight and back


Application examples:
Transport cart

point:
Supports a variety of layouts
Smooth transition from straight to curved lines

straight line + curve

straight line + curve

A lineup of specifications to suit your application

Type and specificationsSteel Type
Standard Specifications
Steel Type
Electroless Nickel Plating
specification
Steel Type
Highly rust-resistant
Flexible TypeStainless steel type
Standard Specifications
Special specifications
Steel Type<br>Standard Specifications Steel Type<br>Electroless nickel plating specifications Steel Type<br>Highly rust-resistant Flexible Type Stainless steel type<br>Standard Specifications Special specifications
Recommendation Can be used for general purposes Standard environments where rust prevention performance is required Wet environments Difficult to install Corrosive atmosphere Various uses
Features The most versatile type that is compatible with all frame sizes Uniform surface treatment provides stable corrosion resistance and provides excellent rust prevention performance in standard usage environments. The allowable tangential load is the same as the standard specification, but the special surface treatment improves corrosion resistance.
Demonstrates strong rust prevention properties in severe corrosive environments such as outdoors, near water, and coastal areas.
This type has a wider tolerance for center distance accuracy than the steel type.
It is also effective when the installation position of equipment that undergoes thermal expansion is changed during operation.
Suitable for use in corrosive environments such as water, acidic, and alkaline environments.
Usable in temperatures ranging from -20°C to 400°C.
Surface treatment specifications, lock pin gear specifications, small backlash specifications, etc. are available.
Please contact us.