![]() The suction cup is pressed against a flat surface while the air trapped inside of the concave area is pressed outwards. They must stick to to a flat, non-porous surface, and be made of an air-tight material. To work properly, they need to have a cup shape with a concave center and flat spreading sides. The force of air pressure causes them to stick to a surface. Suction cups will stick with quite a bit of force if utilized correctly. When you hang something on a glass window or pick up a sheet of glass, you use a suction cup. Like a human hand, a gripper allows the holding, tightening, handling and releasing of an item.įor non-ferrous items, vacuum grippers use vacuum cups as the gripping device, which are commonly identified as suction cups. A gripper is just one element of a robotic system. Grippers provide position, force, and speed control to accomplish the task. There are four basic types of robotic grippers: vacuum grippers, pneumatic grippers, hydraulic grippers and servo-electric grippers.Īs robotic applications go beyond the usual high-speed pick and place, robotic functions call for the capability to pick fragile or unusually-shaped items. Manufacturers have the choice of robotic grippers, depending on the handling application and the type of material that is being used. ![]()
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