Vacuum Suction Cup Size & Lifting Force Calculator

Vacuum Suction Cup Size & Lifting Force Calculator

This vacuum suction cup calculator helps estimate the theoretical suction cup diameter and holding force required for industrial handling applications. Enter the workpiece weight, vacuum level, load orientation, operating environment and number of suction cups to generate an initial sizing reference.

For smooth, non-permeable surfaces, flat suction cups are commonly used. Oval suction cups can be useful where the available gripping area is narrow or elongated, while bellows suction cups are generally better suited to uneven or curved surfaces.

The calculated result should be used as a preliminary engineering reference. Final selection of suction cup should also consider effective suction area, acceleration, friction, material permeability, surface condition and vacuum flow.

ENGINEERING TOOL

Vacuum Suction Cup Calculator

Estimate the required suction cup size based on load, vacuum level, operating environment, surface condition, material permeability and number of suction cups.

kg
Vertical applications are influenced by friction between the suction cup and workpiece and normally require additional consideration.
0.70 bar
0.1 bar 0.9 bar
● Typical industrial vacuum range
×
Default values are provided as general engineering guidance only. Adjust the safety factor according to acceleration, load orientation, operating conditions and applicable safety requirements.
Suggested Cup Type Flat Round Suction Cup
EUROTECH industrial vacuum suction cup
Illustrative product image. Final cup selection depends on the application, material, surface condition and mounting requirements.
THEORETICAL MINIMUM DIAMETER
Ø 95 mm / cup
Suggested nominal cup size: ≥ Ø 100 mm
Required Holding Force 491 N per suction cup
Total Design Force 1962 N including safety factor
Engineering Note

Indoor mode assumes relatively stable and controlled operating conditions.

Flat suction cups are generally suitable for smooth and relatively even surfaces.

Non-permeable materials such as glass, metal and plastic are normally suitable for theoretical vacuum force calculations.

Horizontal surface mode assumes the load acts primarily normal to the suction surface.

This calculator provides preliminary engineering guidance only. Effective suction area, acceleration, cup geometry, rubber material, temperature, surface condition, leakage, friction, vacuum flow, machine movement and applicable safety requirements must also be considered.

Need help selecting a suction cup? Contact EUROTECH →

FAQ

What vacuum level should I use?

Enter the vacuum level that can be reliably maintained at the suction cup during operation. A higher theoretical vacuum level increases holding force, but actual performance depends on leakage, vacuum generation and system design.

How many suction cups do I need?

Increasing the number of suction cups reduces the required holding force and theoretical diameter per cup. Load distribution between cups should also be considered.

Can I use this calculator for MDF or porous materials?

Semi-permeable materials such as MDF require sufficient vacuum flow to compensate for leakage. Highly permeable materials such as foam cannot be reliably sized using suction area alone.

Can this calculator select an exact EUROTECH suction cup?

The calculator provides preliminary sizing guidance. Final selection should consider effective suction area, cup geometry, material, surface condition, temperature, mounting and dynamic loads.