Product Description:
The VASB series consists of bellows-type vacuum suction cups that are specifically designed to ensure reliable gripping and handling of workpieces with uneven, curved, or inclined surfaces. In contrast to traditional flat suction cups, the unique 1.5-fold bellows design incorporates built-in height compensation and stroke capability. This feature enables the suction cup to adapt to irregular shapes and maintain a secure seal even when the surface of the workpiece is not perfectly flat.
This product line offers a variety of sizes, covering seven different diameters ranging from 15 mm up to 125 mm. Additionally, there are three material options available to suit diverse workpiece requirements. NBR (nitrile rubber), which is commonly used for general industrial applications, provides excellent resistance to wear and oil. It is offered in two color options: black as the standard version and blue for applications where visual differentiation is needed. Another option is silicone (SI), available in white, which delivers high temperature resistance as well as suitability for food industry use. Its soft contact surface helps to minimize marks on sensitive workpieces.
Each suction cup is equipped with a fixed threaded connection for easy and direct mounting to vacuum generators, grippers, and handling systems without the need for additional adapters. The thread sizes vary according to the diameter of the suction cup: G1/8 for sizes between 15 mm and 30 mm, G1/4 for 40 mm to 100 mm, and G3/8 for the 125 mm model. Holding forces span a wide range, from 7.9 N for the smallest 15 mm NBR cup up to 610 N for the largest 125 mm silicone cup. This range supports applications from light assembly tasks to the handling of heavy workpieces. Moreover, the suction cups comply with RoHS regulations and operate using atmospheric air in accordance with ISO 8573-1:2010 standards.
Features:
The bellows design, with a 1.5-fold expansion, allows for effective height compensation. This design adapts well to uneven, curved, and inclined workpieces, ensuring a reliable grip during handling.
Available in seven different diameters ranging from 15 mm to 125 mm, these components cater to a variety of applications, from light assembly tasks to heavy material handling operations.
Customers can choose from three material and color options: black NBR for general industrial use, blue NBR for visual differentiation, and white silicone for applications requiring high-temperature resistance and suitability for the food industry.
The product provides high holding forces, varying from 7.9 N for the 15 mm NBR version up to 610 N for the 125 mm silicone model, all measured at the nominal operating pressure.
Fixed threaded connections are available in sizes G1/8, G1/4, or G3/8, depending on the diameter, allowing for direct mounting without the need for additional adapters.
Each material type supports specific temperature ranges: NBR functions between -20°C and +80°C, PUR is suitable from -20°C to +60°C, and silicone can withstand temperatures from -40°C up to +200°C.
The silicone versions are particularly suitable for the food industry, being approved for food-contact applications and capable of resisting high temperatures.
With a corrosion resistance class of CRC 2, these products offer moderate tolerance to corrosion, making them well-suited for demanding industrial environments.
They are RoHS compliant, ensuring an environmentally friendly construction, and conform to LABS (PWIS) standards, making them appropriate for applications sensitive to paint-wetting impairments.
Overall, the robust and reliable construction of these bellows ensures dependable performance in challenging industrial vacuum handling situations.
Technical Parameters:
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Series
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VASB (bellows, 1.5-fold)
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Cup Diameters
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15, 30, 40, 55, 75, 100, 125 mm
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Mounting Type
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Via Vacuum Port
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Thread Connections
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G1/8 (15–30 mm), G1/4 (40–100 mm), G3/8 (125 mm)
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Material Options
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NBR (black / blue), Silicone (white), PUR (blue)
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RoHS Compliance
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Compliant
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Applications:
The bellows design offers a unique solution for handling uneven, curved, or inclined workpieces. Unlike flat cups, these bellows provide the necessary flexibility and compliance to ensure effective sealing even on irregular surfaces.
Flexible automation processes benefit greatly from this design, enabling a wide range of actions such as lifting, equipping, moving, inserting, conveying, gripping, holding, stacking, clamping, transporting, repositioning, and turning various components with ease and precision.
In the packaging industry, these bellows cups are ideal for gripping cartons, films, and packaged goods that feature irregular surfaces, enhancing the reliability and efficiency of packaging operations.
For electronics and precision assembly tasks, the bellows design facilitates the handling of printed circuit boards (PCBs), small parts, and delicate housings. Additionally, silicone variants are available, catering specifically to sensitive surfaces that require gentle handling.
The food and beverage sector benefits from silicone cups that are approved for use in food processing environments. These cups are also suitable for high-temperature applications, ensuring safety and compliance with industry standards.
In automotive manufacturing, the bellows design proves effective for managing body panels, glass, and other components with curved geometries, supporting smooth and damage-free handling throughout production.
For battery production, particularly in lithium-ion battery manufacturing systems, specialized versions of cups made from NBR and PUR materials are offered in sizes ranging from 8 to 55 mm. These include options with the F1A material specification to meet the stringent requirements of the industry.
Support and Services:
Product Technical Support and Services for Vacuum Suction Cup
Our vacuum suction cups are designed to provide reliable and efficient handling solutions for a variety of applications. To ensure optimal performance, please adhere to the following guidelines and support information.
Installation and Usage:
1. Before installation, inspect the suction cup for any damage or contamination. Clean the surface of the suction cup and the object to be handled to ensure a secure grip.
2. Attach the suction cup firmly to the vacuum system or robotic arm, ensuring all connections are tight and leak-free.
3. Test the suction cup on a sample workpiece to verify proper vacuum hold and release functionality.
Maintenance:
1. Regularly clean the suction cup with a mild detergent and water to remove dust, oil, and debris.
2. Inspect the suction cup for wear or damage before each use; replace if any cracks, tears, or deformities are found.
3. Avoid exposure to harsh chemicals or extreme temperatures that may degrade the material of the suction cup.
Troubleshooting:
If you experience reduced suction or failure to hold objects, consider the following steps:
- Check for leaks in the vacuum system and connections.
- Ensure the suction cup surface and the object surface are clean and free from contaminants.
- Verify that the vacuum pressure meets the required specifications for the suction cup model.
- Replace the suction cup if it shows signs of wear or damage.
Technical Assistance:
For further technical support, please refer to the product manual or visit our online resources for detailed guides and FAQs. Our technical team is committed to assisting you with installation, maintenance, and troubleshooting to maximize the performance of your vacuum suction cup.
Thank you for choosing our vacuum suction cups for your handling needs.
Packing and Shipping:
Product Packaging:
Each Vacuum Suction Cup is individually packed in a clear, durable plastic blister pack to ensure protection and visibility. The packaging includes a cardboard backing printed with product information, usage instructions, and safety guidelines. Multiple units are securely packed in a sturdy outer carton to prevent damage during transportation.
Shipping:
We offer worldwide shipping with reliable carriers to ensure timely delivery. All orders are carefully inspected and securely packed to avoid any damage during transit. Tracking information will be provided once the order is dispatched. For bulk orders, please contact our sales team for customized shipping options and rates.
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