Product Description:
The VASB series consists of bellows-type vacuum suction cups specifically designed for dependable gripping and handling of workpieces that have uneven, curved, or inclined surfaces. In contrast to flat suction cups, the unique 1.5-fold bellows design offers built-in height compensation and stroke capability. This allows the suction cup to adapt to irregular shapes and ensures a secure seal even when the surface of the workpiece is not perfectly flat.
This product range includes seven different diameters, from 15 mm up to 125 mm, and comes with three material options tailored to various workpiece needs. NBR (nitrile rubber) is the universal material choice for general industrial applications, recognized for its excellent resistance to wear and oil. It is available in black as the standard color and blue for applications requiring visual differentiation. Silicone (SI), available in white, offers high temperature resistance and is suitable for the food industry, featuring a soft contact surface to minimize marking on delicate materials.
Each suction cup is equipped with a fixed threaded connection designed for direct mounting without the need for adapters. The thread sizes are G1/8 for 15–30 mm diameters, G1/4 for 40–100 mm, and G3/8 for the 125 mm cup. This makes them compatible with vacuum generators, grippers, and handling systems. The holding force varies from 7.9 N for the smallest 15 mm NBR suction cup to 610 N for the largest 125 mm silicone version, accommodating tasks ranging from light assembly to heavy workpiece manipulation.
Additionally, all suction cups comply with RoHS standards and operate using atmospheric air in accordance with ISO 8573-1:2010, ensuring environmentally responsible and reliable performance.
Features:
The bellows feature a 1.5-fold design that allows for effective height compensation. This design enables the bellows to adapt seamlessly to uneven, curved, and inclined workpieces, ensuring reliable gripping in various industrial scenarios.
Available in seven different diameters ranging from 15 mm to 125 mm, these bellows accommodate a wide range of applications—from light assembly tasks to heavy material handling operations.
Three material and color options are offered to suit specific requirements: black NBR for general industrial use, blue NBR for easy visual differentiation, and white silicone designed for high-temperature environments and compliance with food industry standards.
The bellows exhibit high holding forces, which vary depending on size and material. The force ranges from 7.9 N for the 15 mm black NBR version up to 610 N for the 125 mm white silicone model when operating at nominal pressure.
Each unit comes with fixed threaded connections—either G1/8, G1/4, or G3/8 depending on the size—enabling direct mounting without the need for adapters, streamlining installation processes.
Material-specific temperature tolerances ensure reliable performance across diverse environments. NBR operates within -20°C to +80°C, PUR from -20°C to +60°C, and silicone withstands extreme temperatures ranging from -40°C up to +200°C.
The silicone variants are particularly suitable for the food industry, being approved for direct food contact and resistant to elevated temperatures, making them ideal for hygienic applications.
With a corrosion resistance classification of CRC 2, these bellows demonstrate moderate tolerance to corrosion, fitting well within typical industrial environmental conditions.
They are constructed in accordance with RoHS standards, ensuring they are environmentally friendly and free from hazardous substances.
Additionally, these bellows comply with LABS (PWIS) standards, making them appropriate for use in paint-wetting impairment-sensitive applications without compromising finish quality.
Overall, the robust and reliable construction of these bellows makes them a dependable choice for demanding vacuum handling tasks in industrial settings.
Technical Parameters:
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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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Series
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VASB (bellows, 1.5-fold)
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RoHS Compliance
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Compliant
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Material Options
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NBR (black / blue), Silicone (white), PUR (blue)
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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 compliance to ensure a secure seal, even on irregular surfaces. This adaptability makes them ideal for applications where standard flat cups fail to perform effectively.
In the realm of flexible automation, these components excel in numerous tasks including lifting, equipping, moving, inserting, conveying, gripping, holding, stacking, clamping, transporting, repositioning, and turning various parts. Their versatility supports a wide range of automated processes, enhancing efficiency and precision.
When it comes to packaging operations, these tools are designed for gripping cartons, films, and other packaged goods that feature irregular or uneven surfaces. This capability ensures reliable handling without damage, improving throughput and reducing waste.
In electronics and precision assembly, the handling of printed circuit boards (PCBs), small parts, and delicate housings is facilitated with specially designed silicone versions. These variants are particularly suited for sensitive surfaces, providing gentle yet secure gripping to prevent damage during manufacturing.
The food and beverage industry also benefits from these solutions, as silicone cups are food-grade approved and capable of withstanding high-temperature applications. This makes them suitable for various processing tasks where hygiene and safety standards are critical.
Automotive manufacturing processes leverage these handling tools for manipulating body panels, glass components, and other parts with curved geometries. Their ability to conform to complex shapes ensures efficient and damage-free handling throughout assembly lines.
In battery production, particularly for lithium-ion batteries, specialized materials such as F1A-approved NBR and PUR versions are available in sizes ranging from 8 to 55 mm. These components meet strict specifications required for handling delicate battery components, supporting high-quality manufacturing systems.
Support and Services:
Product Technical Support and Services for Vacuum Suction Cup
Our vacuum suction cups are designed to provide reliable and efficient handling of various materials in industrial and commercial applications. To ensure optimal performance, please follow the installation and maintenance guidelines provided in the product manual.
For technical support, our team of experts is available to assist with product selection, troubleshooting, and customization to meet your specific needs. We offer consultation services to help integrate vacuum suction cups into your automated systems effectively.
Regular inspection and cleaning of the suction cups are recommended to maintain suction strength and extend product life. Replace any suction cups that show signs of wear, cracks, or deformation to prevent operational failures.
We provide comprehensive after-sales services including warranty support, repair, and replacement options. Detailed product documentation, including specifications and safety instructions, is available to ensure safe and proper usage.
For additional resources, such as installation videos, FAQs, and technical datasheets, please refer to our online support portal.
Packing and Shipping:
Product Packaging:
Each Vacuum Suction Cup is carefully packaged in a durable, eco-friendly box to ensure protection during transit. The packaging includes a protective foam insert to prevent any damage to the suction cup and maintain its shape. Clear instructions for use and care are also included inside the box for customer convenience.
Shipping:
We offer fast and reliable shipping services worldwide. All orders are processed within 1-2 business days and shipped via trusted carriers with tracking information provided. The Vacuum Suction Cup is securely packed to avoid any damage during shipping. Expedited shipping options are available at checkout for urgent deliveries.
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