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. 227-3929
Mfr. Part No.ZP16BS
BrandSMC
SGD13.90
Each
units
ZP Bellows 16mm Silicon Rubber - - - - - - 3D CAD Model
RS Stock No. 227-3733
Mfr. Part No.ZP02UN
BrandSMC
SGD5.82
Each
units
ZP Flat 2mm NBR - - - - - - 3D CAD Model
RS Stock No. 725-406
Mfr. Part No.ZP16CN
BrandSMC
SGD6.28
Each
units
ZP Flat with Rib 16mm NBR - - - - - - 3D CAD Model
RS Stock No. 827-6693
Mfr. Part No.ZP08UU
BrandSMC
SGD4.94
Each
units
ZP Flat 8mm Urethane Rubber - - - - - - -
RS Stock No. 827-6561
Mfr. Part No.ZPT2-B5
BrandSMC
SGD12.11
Each
units
ZPT - 10 → 16mm - - Yes Vertical Female Thread M5 x 0.8 - -
RS Stock No. 843-5259
Mfr. Part No.ZPB2K10-B5
BrandSMC
SGD6.02
Each
units
ZP - - - - Yes - Thread M5 x 0.8 - -
RS Stock No. 827-6567
Mfr. Part No.ZPT1-B5
BrandSMC
SGD0.67
Each
units
ZPT - 2 → 8mm - - Yes Vertical Female Thread M5 x 0.8 - -
RS Stock No. 827-8734
Mfr. Part No.ZPT3-B5
BrandSMC
SGD12.11
Each
units
ZPT - 20 → 32mm - - Yes Vertical Female Thread M5 x 0.8 - -
RS Stock No. 227-3878
Mfr. Part No.ZP08US
BrandSMC
SGD4.87
Each
units
ZP Flat 8mm Silicon Rubber - - - - - - 3D CAD Model
RS Stock No. 227-3705
Mfr. Part No.ZPR06UNK6-06-A8
BrandSMC
SGD69.50
Each
units
ZPR Flat 6mm NBR - Yes Lateral Male Thread M8 x 1 - 3D CAD Model
RS Stock No. 227-3749
Mfr. Part No.ZP04UN
BrandSMC
SGD6.15
Each
units
ZP Flat 4mm NBR - - - - - - 3D CAD Model
RS Stock No. 682-7034
Mfr. Part No.ZP16BU
BrandSMC
SGD15.26
Each
units
ZP Bellows 16mm Urethane Rubber - - - - - - 3D CAD Model
RS Stock No. 725-383
Mfr. Part No.ZPR50CN-08-B8
BrandSMC
SGD38.93
Each
units
ZPR Flat with Rib 50mm NBR - - Lateral Female Thread M8 x 1.25 - 3D CAD Model
RS Stock No. 843-5243
Mfr. Part No.ZPB2J30-B5
BrandSMC
SGD51.65
Each
units
ZP - - - - - - - - - -
RS Stock No. 227-3676
Mfr. Part No.ZPR06UN-04-B4
BrandSMC
SGD30.59
Each
units
ZPR Flat 6mm NBR - - Lateral Female Thread M4 x 0.7 - 3D CAD Model
RS Stock No. 725-333
Mfr. Part No.ZPR25CNK10-08-A10
BrandSMC
SGD85.44
Each
units
ZPR Flat with Rib 25mm NBR - Yes Lateral Male Thread M10 x 1 - 3D CAD Model
RS Stock No. 843-5265
Mfr. Part No.ZP4010US
BrandSMC
SGD5.15
Each
units
ZP Flat 4 (Breath) x 10 (Length)mm Silicon Rubber - - - - - 7mm -
RS Stock No. 827-6615
Mfr. Part No.ZP10BN
BrandSMC
SGD12.15
Each
units
ZP Bellows 10mm NBR - - - - - - -
RS Stock No. 227-3711
Mfr. Part No.ZPX80HNJ50-B01-A18
BrandSMC
SGD69.74
Each
units
ZPX Heavy Duty 80mm NBR - Yes Lateral Male Thread M8 - -
RS Stock No. 725-428
Mfr. Part No.ZP50CN
BrandSMC
SGD8.90
Each
units
ZP Flat with Rib 50mm NBR - - - - - - 3D CAD Model
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