What are vacuum suction cups?
Vacuum suction cups are the end elements of a vacuum handling system. They create a seal against the surface and use negative pressure (vacuum) to grip, lift and move objects safely.
They provide a simple, efficient and cost-effective solution for handling a wide variety of workpieces in industrial applications, offering an alternative to more complex and expensive mechanical gripping systems.
What are the advantages of using suction cups?
Vacuum suction cups form the final component of a vacuum system and provide a simple and efficient mechanism for lifting and transporting a wide range of parts.
They offer a reliable and economical alternative to more complicated and costly handling methods, while improving productivity and reducing mechanical complexity.
What types of suction cups does SMC offer?
To ensure a secure grip on a workpiece, it is essential to select vacuum suction cups according to the properties of the part being handled and the type of application.
Our catalogue includes vacuum suction cups in a variety of designs, shapes and materials to suit different applications.
SMC vacuum cups are designed to meet your specific requirements:
- Flat suction cups: For handling flat parts in general-purpose applications.
- Bellows suction cups: Used to compensate for height differences or to handle parts with angled or sloping surfaces.
- Oval suction cups: Suitable when the workpiece has a narrow contact surface or is very long and requires precise positioning.
- Nozzle suction cups: Ideal for high-precision handling of small and lightweight parts.
- Sponge suction cups: Perfect for irregular surfaces where vacuum leakage may occur due to difficult gripping conditions.
- Non-contact suction cups: Ideal for delicate handling of various sizes, materials and shapes. Suitable for thin, porous, perforated or pressure-sensitive workpieces.
What safety aspects should be considered when using vacuum suction cups in industrial environments?
Most manufacturers apply a safety factor of 2 for horizontal vacuum handling systems and 4 for vertical systems. However, these values are only indicative and often fail to account for important variables such as vacuum leakage or workpiece porosity.
Experience plays a crucial role in this context. At SMC, we have decades of expertise invacuum solutions and understand that higher safety factors are advisable to ensure system reliability across all industries.
For this reason, we apply a safety factor of 4 for horizontal applications and recommend a safety margin of at least 8 for vertical applications.
Take advantage of the recommendations provided by our specialists to configure a vacuum system that is both safe and energy-efficient.
What criteria should be considered when selecting vacuum suction cups?
Vacuum suction cups play a key role in optimizing the efficiency of a vacuum handling system. Correct selection is essential to maximize system performance under different conditions and across various applications.
The choice of vacuum cups depends on several factors, including:
- Mass of the workpiece
- Position of the workpiece (horizontal or vertical)
- Geometrical shape of the part being handled
- Material compatibility
- Surface roughness and porosity
- Accelerations and decelerations (generated inertia)
With our function-based search tool, you can quickly and easily find the right vacuum suction cups for your application.
Do you need help choosing the right vacuum cups?
Contact our vacuum technology specialists. They will help you select the most suitable vacuum suction cups for your specific application.
