Pneumatic Grippers

Pneumatic grippers are devices designed to hold an object using pneumatic, electric or hydraulic operated jaws or fingers. Grippers can be used as single devices or as a part of pick and place, manufacturing systems. Grippers can be used to pick up/hold various size objects from very small items such as semiconductors to very large items like car chassis or engines. Grippers are frequently added to industrial robots in order to allow robots interactions with objects.

Grippers can be divided into 2 main categories by type of holding objects:
• External – the simplest and most popular method of holding objects. When the gripper jaws close, the closing force of the gripper holds that object.
• Internal – When the access to object’s exterior is required then an internal grip is necessary. Jaws or finger hold the object from the centre. In this case, the opening force of the gripper is used to hold the object.

What to consider when choosing the gripper:
• Shape , orientation and dimensional variation - If the object has two opposing flat surfaces, then 2 jaw parallel gripper is desired since it can handle some dimensional variation. Jaws can also be designed to handle cylindrical objects with the 2 jaw concept. Keep in mind that a retention or encompassing grip requires much less force.
• Weight - Grip force must be adequate to secure the object while the desired operation is performed on the object. The type of jaw design must be part of the force requirement. Keep in mind that you should add a safety factor to the amount of force that you select and air pressure is a factor to keep in mind.
• Accessibility- This applies both to the work being performed on the object and the amount of room for the gripper jaws. If the work is to the exterior of the object then it may require an internal grip. Angular grippers are usually less expensive but require additional space for jaw movement.
• Environmental - Harsh environment or clean room applications require grippers designed for those purposes.
• Retention of the Object - When air pressure is lost, the gripper will relax its grip on the object and the object may be dropped. There are spring assist grippers designed for this type application.

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Description Price Manufacturer Series Action Number of Fingers Gripping Type Maximum Operating Pressure Absolute Maximum Pressure Cushioning Type Port Connection Weight Size Type
RS Stock No. 245-0003
Mfr. Part No.MHS3-20D
BrandSMC
SGD845.25
Each
units
MHS3 Double 3 Parallel 0.6 MPa - - M5 x 0.8 100g -
RS Stock No. 700-7336
Mfr. Part No.MHZ2-10D
BrandSMC
SGD578.10
Each
units
MHZ2 Double 2 Parallel 0.7 MPa - - M3 x 0.5 55g -
RS Stock No. 768-1621
Mfr. Part No.MHW2-32D
BrandSMC
SGD1,296.90
Each
units
MHW2 Double 2 Angle 0.7 MPa - - Rc 1/8 910g -
RS Stock No. 700-7345
Mfr. Part No.MHZ2-16D
BrandSMC
SGD588.70
Each
units
MHZ2 Double 2 Parallel 0.7 MPa - - M5 x 0.8 115g -
RS Stock No. 478-046
Mfr. Part No.MHY2-20D2
BrandSMC
SGD557.25
Each
units
MHY2 Double 2 Angle 0.6 MPa - - M5 x 0.8 320g -
RS Stock No. 841-2372
Mfr. Part No.MHZ2-40D
BrandSMC
SGD1,426.68
Each
units
MHZ Double 2 Parallel 0.1 → 0.7 MPa 0.7MPa Not Cushioned M5 x 0.8 1.3kg -
RS Stock No. 700-7310
Mfr. Part No.MHS3-25D
BrandSMC
SGD892.67
Each
units
MHS3 Double 3 Parallel 0.6 MPa - - M5 x 0.8 140g -
RS Stock No. 233-2113
Mfr. Part No.MHL2-10D
BrandSMC
SGD693.08
Each
units
MHL2 Double 2 Parallel 0.6 MPa - - M5 x 0.8 280g -
RS Stock No. 700-7275
Mfr. Part No.MHF2-12D1
BrandSMC
SGD921.53
Each
units
MHF2 Double 2 Low Profile, Parallel 0.7 MPa - - M5 190g -
RS Stock No. 182-5850
Mfr. Part No.MHC2-16D
BrandSMC
SGD368.34
Each
units
MHC2 Double 2 Angle 0.6 MPa - - M5 x 0.8 91g -
RS Stock No. 700-7351
Mfr. Part No.MHZ2-6D
BrandSMC
SGD551.07
Each
units
MHZ2 Double 2 Parallel 0.7 MPa - - M3 x 0.5 27g -
RS Stock No. 700-7314
Mfr. Part No.MHS3-32D
BrandSMC
SGD743.51
Each
units
MHS3 Double 3 Parallel 0.6 MPa - - M5 x 0.8 237g -
RS Stock No. 366-3597
Mfr. Part No.MHZ2-10DN
BrandSMC
SGD578.10
Each
units
MHZ2 Double 2 Parallel 0.7 MPa - - M3 x 0.5 55g -
RS Stock No. 196-4473
Mfr. Part No.MHS2-25D
BrandSMC
SGD671.39
Each
units
MHS Double 2 Parallel 0.6 MPa - - M5 134g Standard
RS Stock No. 203-1538
Mfr. Part No.DHRS-16-A
BrandFesto
SGD697.41
Each
units
DHRS-16-A Double 2 Radial 8 bar - - - - -
RS Stock No. 203-1492
Mfr. Part No.DHWS-25-A-NC
BrandFesto
SGD709.67
Each
units
DHWS-25-A-NC Double 2 Angle 8 bar - - - - -
RS Stock No. 203-1493
Mfr. Part No.DHPS-6-A
BrandFesto
SGD524.36
Each
units
DHPS-6-A Double 2 Parallel 8 bar - - - - -
RS Stock No. 203-1473
Mfr. Part No.DHRS-40-A
BrandFesto
SGD1,328.09
Each
units
DHRS-40-A Double 2 Radial 8 bar - - - - -
RS Stock No. 841-2381
Mfr. Part No.MHC2-25S
BrandSMC
SGD489.60
Each
units
MHC Single 2 Angle 0.25 → 0.6 MPa 0.6MPa Not Cushioned M5 x 0.8 316g -
RS Stock No. 196-1188
Mfr. Part No.MRQBS40-75CB
BrandSMC
SGD1,362.98
Each
units
MRQ Single - - 0.7 MPa 0.7MPa Not Cushioned M5 x 0.8 2.3kg -
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The MHL series from SMC are air grippers ...
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The MHF two finger pneumatic gripper compact design ...
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