Suction Cups

What is a Suction Cup?
Suction cups are also known as Vacuum cups, Vacuum pads, suckers, and Pneumatic suction cups plus they are often used as suction grippers. Suction cups attach to various surfaces from flat to uneven and provide a safe and secure way to move and hold products, automatically or manually. The suction cups mould to the shape of the object they are handling without causing any damage. Suction cups are manufactured from a range of materials and perform well in many environments from light duty to heavy industrial.

How do Suction Cups work?
A suction cup works by having less air pressure on one side of the cup than the other side of the suction cup. When pressure is put onto the suction cup it forces air out of the area, creating a vacuum. The vacuum created enables you to move and lift any product. Suction cups will not work when there is a low atmospheric pressure. You ensure that the suction cup surface is clean and free from dirt or grit ensuring maximum grip.

How Do Pneumatic suction cups work?
When a suction cup contacts the surface of an object, it activates a vacuum generator (such as a blower, vacuum ejector or vacuum pump) that draws air from the space between the cup and the item. As soon as the atmospheric pressure is greater than the pressure between the object and the cup, atmospheric pressure presses the suction cup against the item, holding it firmly.

What is Holding Force?
Holding force is the amount of force required to move an object. This is measured in “Newtons” (N) and when looking for the right suction cup for your use ensure you choose a suction cup that will lift, move the weight and size of the object.

What are Suction Cups made of?
Suction and vacuum cups are made from various material to suit any environment, from the home to industry.
• Rubber
• Silicone
• Nitrile
• Polyurethane
• Fluororubber
• Silicone rubber

Materials suction cups will handle
• Metal
• Glass
• Plastic
• Wood
• Paper
• Food
• Media
• Printing

Suction Cup Types Available

Bellows – excellent for concave and convex shapes. Require minimum pressure. Work on slanted surfaces. Absorbs any alignment problems.

Deep – Excellent with curved objects. Enhanced grip.

Flat - Excellent for glass, metal sheets and cardboard.
Any flat or smooth surfaced material.

Suction cups are available in a range of shapes, sizes and design and will handle most products. There is a suction and vacuum cup suitable for every industry and application.

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Description Price Manufacturer Series Pad Type Pad Diameter Pad Material Holding Force With Buffer Vacuum Entry Direction Connection Type Threaded Connection Size Tube Outside Diameter CAD Drawing
RS Stock No. 703-6258
Mfr. Part No.1820415039
BrandAventics
HK$90.95
Each
units
BSG Bellows 20mm Acrylonitrile Butadiene Rubber 5.7N - - Male Thread 1/8 in - -
RS Stock No. 725-333
Mfr. Part No.ZPR25CNK10-08-A10
BrandSMC
HK$530.10
Each
units
ZPR Flat with Rib 25mm NBR - Yes Lateral Male Thread M10 x 1 - 3D CAD Model
RS Stock No. 227-6782
Mfr. Part No.ZP08BS
BrandSMC
HK$65.00
Each
units
ZP Bellows 8mm Silicon Rubber - - - - - - 3D CAD Model
RS Stock No. 227-3957
Mfr. Part No.ZP32BS
BrandSMC
HK$107.00
Each
units
ZP Bellows 32mm Silicon Rubber - - - - - - 3D CAD Model
RS Stock No. 827-6589
Mfr. Part No.ZP10US
BrandSMC
HK$33.44
Each
units
ZP Flat 10mm Silicon Rubber - - - - - - -
RS Stock No. 227-3929
Mfr. Part No.ZP16BS
BrandSMC
HK$88.00
Each
units
ZP Bellows 16mm Silicon Rubber - - - - - - 3D CAD Model
RS Stock No. 703-6249
Mfr. Part No.1820415037
BrandAventics
HK$97.71
Each
units
BSG Bellows 20mm Fluoromethyl Silicone 5.7N - - Male Thread 1/8 in - -
RS Stock No. 701-3494
Mfr. Part No.ZPT20UN-B01
BrandSMC
HK$106.00
Each
units
ZPT Flat 20mm NBR - - Vertical Female Thread 1/8 in - 3D CAD Model
RS Stock No. 725-311
Mfr. Part No.ZPR10CNK10-06-A10
BrandSMC
HK$546.00
Each
units
ZPR Flat with Rib 10mm NBR - Yes Lateral Male Thread M10 x 1 - 3D CAD Model
RS Stock No. 703-6233
Mfr. Part No.1820455018
BrandAventics
HK$264.61
Each
units
FSG Flat 80mm PUR 260N - - Male Thread 1/4 in - -
RS Stock No. 725-406
Mfr. Part No.ZP16CN
BrandSMC
HK$40.00
Each
units
ZP Flat with Rib 16mm NBR - - - - - - 3D CAD Model
RS Stock No. 725-327
Mfr. Part No.ZPR16CNK10-06-A10
BrandSMC
HK$558.00
Each
units
ZPR Flat with Rib 16mm NBR - Yes Lateral Male Thread M10 x 1 - 3D CAD Model
RS Stock No. 827-6599
Mfr. Part No.ZP32US
BrandSMC
HK$41.93
Each
units
ZP Flat 32mm Silicon Rubber - - - - - - -
RS Stock No. 742-6664
Mfr. Part No.ZP2-50UCL
BrandSMC
HK$230.00
Each
units
ZP2 Flat 50mm Halogenated NBR - - - - - - -
RS Stock No. 227-3856
Mfr. Part No.ZP04US
BrandSMC
HK$31.00
Each
units
ZP Flat 4mm Silicon Rubber - - - - - - 3D CAD Model
RS Stock No. 827-8740
Mfr. Part No.ZPT10BSJ50-04-A10
BrandSMC
HK$370.71
Each
units
ZPT Bellows 10mm Silicon Rubber - Yes Vertical Male Thread M10 x 1 - -
RS Stock No. 227-3941
Mfr. Part No.ZP25BS
BrandSMC
HK$88.00
Each
units
ZP Bellows 25mm Silicon Rubber - - - - - - 3D CAD Model
RS Stock No. 827-6640
Mfr. Part No.ZPT10UU-A5
BrandSMC
HK$101.64
Each
units
ZPT Flat 10mm Urethane Rubber - - Vertical Male Thread M5 x 0.8 - -
RS Stock No. 725-412
Mfr. Part No.ZP25CN
BrandSMC
HK$40.00
Each
units
ZP Flat with Rib 25mm NBR - - - - - - 3D CAD Model
RS Stock No. 227-3862
Mfr. Part No.ZP06US
BrandSMC
HK$31.00
Each
units
ZP Flat 6mm Silicon Rubber - - - - - - 3D CAD Model
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