High-Gain Rubber Couplings - The hidden key to speeding up Servo Systems

Prevent resonance even at high gain and shorten the cycle time

There are lots of ways to improve the productivity in the Servo System. For example, there is the possibility that you can shorten the production cycle time if you use a high performance servo motor and an actuator. But, actually there are some points customers are overlooking. It is the evolution of coupling technology that connect a motor and an actuator. Without this knowledge, you may not get an optimal performance from your servo system.

Generally, the couplings used for a servo system require flexibility and torsional rigidity. To fulfill these technical specifications, the slit coupling was used during the 1990s and then updated to disk coupling in the 2000s. Around 2005, the servo motor with a higher speed response frequency appeared. There was a technological limit in regards to the shortening of the production cycle time even if we increase the coupling’s torsional rigidity.

Why the high torsional rigidity is is not enough? It is because of co-vibration of the servo system occurs due to the high-speed response frequencies. So what can be done?

The solution was to add damping function to absorb the higher speed response frequencies. We focused a rubber’s ability to absorb the vibration and released High-Gain Rubber Couplings “XG series.”

We succeeded to realize both the coupling’s rigidity and vibration reduction by an innovative molding technique within the internal structure.

In 2013, we launched a new coupling, the “XG2,” with a capacity to achieve a much higher rigidity for a torsional rigidity and a damping performance. With the XG2, you can increase your productivity and control of your Servo System through the high gain it offers compared to traditional couplings.

The XG series is the key to prevent resonance even at high gain and shorten the cycle time.

For more details, please check our web site.