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Why is the electric suction cup called a vacuum spreader?​ Published By Daxlifter

Why is the electric suction cup called a vacuum spreader?

Electric suction cups are also called vacuum spreaders. Generally speaking, using electric suction cups to grab products is the cheapest method. There are various types of electric suction cups. Rubber suction cups can be operated at high temperatures. Silicone rubber suction cups are very suitable for grasping rough-looking products; suction cups made of polyurethane are very durable. In addition, in actual production, if the suction cup is required to have oil resistance, you can consider using materials such as polyurethane, nitrile rubber or vinyl-containing polymers to make the suction cup. Generally, in order to avoid scratches on the appearance of the product, it is best to choose a suction cup with a bellows made of nitrile rubber or silicone rubber.

It should be noted that the moving speed of the manipulator cannot be too high, otherwise a shearing force will occur on the suction cup, which will make the product easily fall off during the rapid change. In some cases, a clamp can be used to ensure the safe transportation of products. Considering that the product may stick to the mold, it is usually possible to install an air clamp to deal with this problem. When the product surface area is too small or the product is too heavy to use an electric suction cup, the same problem can be solved by using clamps.

Classification of electric suction cups

Commonly used electric suction cups include flat suction cups, oval suction cups, corrugated suction cups and special suction cups.

1. The function of the flat suction cup: high positioning accuracy; delicate design and small internal volume can minimize the grasping moment; complete high lateral force; on the surface of the flat workpiece, the wide sealing lip has the best sealing characteristics; When taking the workpiece, it has good stability; the embedded structure of the large-diameter suction cup can achieve high suction force.

2. The function of the elliptical suction cup: the best use of the absorbable surface; suitable for long convex workpieces; electric suction cups with enhanced hardness; small size and large suction; various suction cup materials; embedded structure with high gripping power.

3. The characteristics of the corrugated suction cup: it has a lifting effect when grabbing the workpiece; compensation of different heights; gently grabbing the fragile workpiece; soft bottom corrugation; various types of suction cup materials.

4. Special suction cups: they are universal like ordinary electric suction cups; the particularity of the material and shape of the suction cups makes it suitable for specific application areas.