ZWSA Sponge Pad Foam Vacuum Gripper for robot arm with built-in vacuum generator, one-way check valve, leakproof suction.
● Automation equipment
● Robot vacuum gripping
● PCB/Electronic Handling
● Packaging Machinery Industry
● Photovoltaic/Lithium Battery Industry
No need to replace the suction cup, it can adapt to various irregular workpieces;
Large area adsorption, strong gripping force and uniform distribution, not easy to damage the workpiece;
Integrated design, easy installation, compatible with robotic arms/automation equipment.
Vacumm Generator Built insideWith One Way Check ValveSuction Well Even didn’t whole touchedVacuum Flow Leakproof
More Regular Model Size Pls Download Catalogue for checking:
| ZWSA Sponge Pad Model Foam Vacuum Gripper For Robot Arm | |||||
| Model | Sponge Pad Thickness | Width(mm) | Length(mm) | Check valve Option | Vaccum Flow |
| ZWSA | 15 / 20 | 60 / 80 / 130 | 120 / 160 / 240 / 315 / 415 (Customizing) | ES (Throttling Valve) | L1 (small Flow) |
| AW (Check Valve,Only Suction Upside) | L2 (Mid Flow) | ||||
| SW (Check Valve,Can Suction Crosswise,But more working flow demand) | L3 (Big Flow) | ||||
Apply On Wood Suction Gripping:
Apply On Rough Surface Gripping:
Ordering Order Example:
ZWSA20.130X240.SW.L3
A robotic gripper is an end-effector mounted on a robot arm used to grasp, hold, and manipulate objects. It acts like a “hand” and can be mechanical, pneumatic, electric, or vacuum-based depending on the application requirements.
A sponge vacuum gripper is a vacuum-based end-effector that uses a porous foam (sponge) material to create a seal on irregular or delicate surfaces. It distributes suction evenly, making it suitable for soft, curved, or uneven objects.
A pneumatic vacuum generator works using the Venturi effect. Compressed air passes through a narrow nozzle, creating a pressure drop that generates vacuum suction. This vacuum is then used to operate vacuum grippers or suction cups.
Choosing a vacuum gripper depends on object shape, weight, surface material, and production speed. Flat and smooth surfaces typically use suction cups, while porous or irregular objects may require sponge or foam grippers. Cycle time and vacuum source compatibility are also key factors.
A sponge vacuum gripper is better for uneven, porous, or fragile surfaces due to its adaptive sealing ability. A suction cup is more efficient for flat, smooth, and non-porous surfaces where strong, direct vacuum sealing is possible.
A Venturi vacuum generator uses compressed air to create vacuum quickly and is compact with no moving parts, but it consumes air continuously. An electric vacuum pump is more energy-efficient for long operating cycles and provides stable vacuum without constant air supply.
The best vacuum generator depends on application needs: Venturi generators are ideal for high-speed pick-and-place tasks with available compressed air, while electric vacuum pumps are better for energy efficiency, continuous operation, and systems without air compressors.
Further information or a personal consultation? Our products and know-how are there to provide solutions.
