How fast are soft-touch grippers?

Create Date: 2024-8-30 12:03:23|Source: Soft Touch/Rorobot

Why can the soft-touch gripper reach such a high hand speed?

　　Pneumatic VS electric

Because of its advantages of easy arrangement and plug-and-play, the electric gripper is suitable for use in scenarios that do not require high speed and beat, but have high requirements for mobile portability. The operating principle is essentially to go through an energy conversion process of electric energy-electromotive force-kinetic energy-variable speed, and then a series of devices such as motors and reducers are always needed to complete the messy conversion process, and power and speed have to be sacrificed. The soft touch gripper is a direct air drive (air pressure - clamping force), and the air pressure directly drives the gripper, eliminating the intermediate links, making it more high-speed and efficient.

Soft-touch gripper VS cylinder

Pneumatic cylinder products, the piston movement is driven by air pressure. The piston will collide with the cylinder wall. The collision resistance will not only reduce the speed of the cylinder, but also cause a lot of heat to occur in the long-term high-speed movement, resulting in the rapid aging of the seal and affecting the service life.

There will be no data conflict during the operation process of the soft touch gripper, so it will avoid the wear and aging and power reduction caused by the conflict, and the long-term high-speed movement will be as stable.

Therefore, in terms of speed, only the vacuum suction cup is the same level of the soft touch gripper.

So what should we pay attention to in the actual selection and installation in order to complete the high-speed response?

According to the operating principle of the soft touch gripper, it is not difficult to understand that to improve the opening and closing speed of the soft touch gripper, it is essentially to provide more flow to the gripper.

So, to improve the opening and closing speed, what you need to do is:

1. Ensure the adequacy and stability of the air source at the operation site.

2. Choose a driver with a large flow rate, and the high-speed type of PCU or iPCU is recommended here. (Compared to standard drives, high-speed drives can improve flow rates by 80% and opening and closing speeds by more than 50%).)

3. Optimize the trachea wiring, and select a shorter length and thicker diameter trachea between the controller and the gripper (ideal length<2m, pipe diameter ≥φ10mm).

4. When one drive has multiple fingers, the drive power will also be reduced. If the clamping force is satisfied, it is possible to choose to drive several actuators separately or reduce the number of fingers.

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