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AMHS4 Series Parallel Open/Close Air Gripper/4 Jaws
Product Description
The AMHS4 Series Parallel Open/Close Air Gripper / 4 Jaws is an advanced pneumatic gripper designed for industrial automation applications that require enhanced stability and precision. The four-jaw configuration ensures uniform gripping force and alignment, making it ideal for handling a wide variety of workpieces. This gripper is perfect for applications demanding high repeatability and reliable performance.
Symbol
Specifications
| Model | AMHS4-16D | AMHS4-20D | AMHS4-25D | AMHS4-32D | AMHS4-40D | AMHS4-50D | AMHS4-63D | |
| Cylinder Diameter (mm) | 16 | 20 | 25 | 32 | 40 | 50 | 63 | |
| Fluid (applicable) | Air | |||||||
| Operating Pressure (MPa) | 0.2~0.6 | 0.1~0.6 | ||||||
| Ambient and Fluid Temperature (°C) | -10~60 | |||||||
| Repeatability (mm) | ±0.01 | |||||||
| Maximum Operating Frequency (c.m.p) | 120 | 60 | ||||||
| Lubrication | No oil | |||||||
| Actuation | Double acting | |||||||
| [Note 1] Effective clamping force (N) At pressure 0.5 MPa |
Outside diameter clamping force | 10 | 19 | 31 | 55 | 88 | 140 | 251 |
| Inside diameter clamping force | 12 | 21 | 35 | 61 | 97 | 153 | 268 | |
| Opening and closing stroke (mm) | 4 | 4 | 6 | 8 | 8 | 12 | 16 | |
| Mass (g) | 66 | 110 | 154 | 300 | 390 | 590 | 1095 | |
| [Note 1] φ16~φ25 is the value of clamping point L=20mm; φ32~φ63 is the value of clamping point L=30mm. | ||||||||
Internal structure and main parts materials
| Serial number | Part Name | Material | Notes |
| 1 | Main Body | Aluminum alloy | Hard anodizing |
| 2 | Piston | Aluminum alloy | Hard anodizing |
| 3 | Cam | Carbon steel | Heat treatment · Special treatment |
| 4 | Finger | Carbon steel | Heat treatment · Special treatment |
| 5 | End Cap | Aluminum alloy | Hard anodizing |
| 6 | End Plate | Stainless steel | |
| 7 | Piston Screw | Stainless steel | |
| 8 | Magnet Ring | 一 | |
| 9 | C-Shaped Circlip | Carbon steel | Phosphate coating |
| 10 | Piston Seal | NBR | |
| 11 | Rod Seal | NBR | |
| 12 | Washer | NBR | |
| 13 | Washer | NBR | |
| 14 | Pan Head Screw | Carbon steel | Zinc chromate |
Clamping point
・The workpiece's gripping point (i.e., gripping point distance) should be within the pressure-clamping force lines shown on the effective gripping force diagram.
・If the gripping point is outside the gripping force diagram's operating range, excessive side loads will be applied to the finger sliding area, seriously shortening the gripper's service life.
Effective clamping force
・The effective gripping force in the diagram to the right refers to the state in which all four fingers and accessories are in full contact with the workpiece. As shown in the diagram below, the thrust acting on one finger is represented by F.
・If one pair of fingers on opposite sides grips the workpiece while the other pair is used for positioning, the gripping force of the MHS4 series should be the same as that of the MHS2 series.
| Outside diameter clamping force | |
 |
 |
| Inner diameter clamping force | |
 |
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Outside diameter clamping force
Inner diameter clamping force
External specifications
Magnetic switch mounting slot positions (2)
Detailed dimensions of the end plate mounting section
| Model | A | B | C | φD | E |
| AMHS4-16D | M2×0.4 | 5.5 | 11 | 21
|
0.5 |
| AMHS4-20D | 5.4 | 13 | 24
|
0.6 | |
| AMHS4-25D | 15 | 27
|
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| AMHS4-32D | 5.2 | 18 | 32
|
0.8 | |
| AMHS4-40D | M3x0.5 | 8 | 21 | 38
|
1 |
| AMHS4-50D | 24 | 42
|
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| AMHS4-63D | 32 | 54
|
Ordering Code
description2
FAQ
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Q: Are the AMHS4 air grippers suitable for use in non-lubricated compressed air systems?
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Q: Does this series of air grippers support position detection?
A: Yes, this series of air grippers can be equipped with an optional magnetic switch (3-wire or 2-wire) for real-time detection of the gripper's open or closed state, facilitating integration into PLC or automation control systems.