Suction Cup Array

Product Specifications

Technical details and manufacturing context for Suction Cup Array

Definition

A suction cup array is a critical component of vacuum gripper end-effectors, consisting of multiple suction cups arranged in specific patterns or configurations. This arrangement allows for distributed vacuum force application across larger surface areas, enabling the handling of oversized, non-uniform, or multiple workpieces. The array can be customized with different cup sizes, spacing, and patterns to match specific application requirements, providing enhanced stability and load distribution compared to single suction cups. Typical arrays feature 4 to 48 suction cups with diameters ranging from 10 to 150 mm, achieving total holding forces from 50 to 5000 N at operating vacuums of -60 to -90 kPa. The body is commonly made of aluminum or stainless steel, while cups are available in silicone rubber, polyurethane, or nitrile rubber, each offering distinct properties: NBR for oil resistance, silicone for high temperature, and PU for abrasion resistance. The array's footprint ranges from 100×100 to 500×500 mm, with weights between 0.5 and 20 kg. Operating pressure for pneumatic actuation is typically 0.4 to 0.8 MPa, and the operating temperature range is -20 to 80°C. Vacuum connections are available in G1/8 to G1/2 port sizes, and IP ratings range from IP54 to IP65 for dust and water protection. These parameters are reference ranges; actual values must be confirmed with the manufacturer for specific models. The array is designed for integration into robotic or automated systems, and its configuration can be tailored to the workpiece geometry and weight. Proper selection requires evaluating the number and diameter of cups, total holding force, vacuum level, and environmental conditions. Verification of model-specific specifications and compliance with applicable standards is essential before deployment.

Working Principle

The suction cup array operates by creating multiple vacuum zones across the target surface. When the array contacts the workpiece, vacuum pumps or generators evacuate air from each cup simultaneously or selectively, creating negative pressure that holds the object. The distributed vacuum force provides balanced lifting and prevents deformation of delicate materials. Some arrays feature independent vacuum control for individual cups or groups, allowing for selective gripping and release.

Common Materials

Silicone Rubber, Polyurethane, Nitrile Rubber

Technical Parameters

Parameter	Typical range	Notes & selection driver
Number of Suction Cups	4–48 pcs	Determines gripping capacity and footprint
Suction Cup Diameter	10–150 mm	Affects contact area and holding force
Total Holding Force	50–5000 N	Sum of individual cup forces at rated vacuum
Operating Vacuum	-60–-90 kPa	Higher vacuum increases holding force
Operating Pressure	0.4–0.8 MPa	For pneumatic actuation if applicable
Operating Temperature	-20–80 °C	Material dependent; outside range may reduce sealing
Cup Material	NBR, Silikon, PU	NBR for oil resistance, Silicone for high temp, PU for abrasion
Body Material	Aluminium, Edelstahl	Aluminum for lightweight, stainless for corrosion
Weight	0.5–20 kg	Affects robot payload and mounting
Footprint (L×W)	100×100–500×500 mm	Overall dimensions of the array
IP Rating	IP54–IP65	Dust and water protection for harsh environmentsIEC 60529
Vacuum Connection	G1/8–G1/2 inch	Port size for vacuum lineISO 228-1

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Suction Cups Part
Create vacuum seal with workpiece surface

Material: Silicone Rubber
Mounting Plate Part
Provides structural support and cup alignment

Material: Aluminum Alloy
Vacuum Ports Part
Connect cups to vacuum supply system

Material: Brass or Stainless Steel
Independent Vacuum Control Optional
Switches cups or zones on and off separately so the array can pick part of a load.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Vacuum Gripper End-Effector

View system integration details

Manufacturers of Suction Cup Array

Manufacturer profiles associated with Suction Cup Array.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review · Page last updated 6 September 2026

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Frequently Asked Questions

What is a suction cup array used for?

A suction cup array is used in vacuum gripping systems to handle large, irregular, or multiple objects simultaneously. It distributes vacuum force across a wider area, improving stability and load capacity compared to a single cup.

What materials are available for suction cups?

Suction cups are available in silicone rubber, polyurethane, and nitrile rubber. Silicone offers high-temperature resistance, polyurethane provides abrasion resistance, and nitrile rubber is suitable for oil resistance. The choice depends on the application environment.

How do I select the right suction cup array?

Selection involves considering the number and diameter of cups, total holding force, operating vacuum, and environmental factors like temperature and IP rating. The array's footprint and weight must match the robot payload. Always verify specifications with the manufacturer for your specific application.

What are the typical operating conditions?

Typical operating vacuum ranges from -60 to -90 kPa, with operating pressure for pneumatic actuation at 0.4-0.8 MPa. The operating temperature is -20 to 80°C. IP ratings range from IP54 to IP65 for dust and water protection. Confirm these values for your model.

Data Basis

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Preliminary Technical Classification

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pressure:	Up to -0.9 bar vacuum, 0-6 bar positive pressure
flow rate:	Dependent on cup count and size: 0.5-20 L/min per cup at 6 bar
temperature:	-20°C to +80°C
slurry concentration:	Not recommended for slurry applications; max 5% particulate in clean air

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards