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Low Profile Gripper MHF2 / HFD: Compact High-Precision Solutions for Global Manufacturing
Description
MHF2 Series: Low Profile Air Gripper
High-Precision Compact Design with Strong Holding Force
The MHF2 Series is a low-profile air gripper specifically engineered to provide a space-saving solution without compromising on performance. By utilizing a double piston construction, the MHF2 achieves a compact height—approximately 1/3 the size of equivalent standard grippers—while delivering a significantly higher holding force.
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Technical Specifications
The MHF2 series is designed for double-acting operation in precision automation environments.
| Feature | Specification Details | Source |
|---|---|---|
| Action | Double Acting | |
| Fluid | Compressed Air | |
| Operating Pressure (ø8) | 0.15 to 0.7 MPa | |
| Operating Pressure (ø12 to ø20) | 0.1 to 0.7 MPa | |
| Ambient & Fluid Temp. | 10°C to 60°C (No condensation) | |
| Repeatability | ±0.05 mm | |
| Lubrication | Not required (Non-lube) | |
| Max. Operating Frequency | 120 c.p.m (ø8–16); 60 c.p.m (ø20) |
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Performance and Stroke Options
Each bore size offers three standard stroke lengths (Short, Medium, and Long), allowing engineers to select the optimal model for specific workpiece dimensions.
| Bore Size | Stroke Options (mm) | Effective Gripping Force (N)* | Weight Range (g) |
|---|---|---|---|
| ø8 | 8, 16, 32 | 19 N | 65 – 120 g |
| ø12 | 12, 24, 48 | 48 N | 155 – 275 g |
| ø16 | 16, 32, 64 | 90 N | 350 – 650 g |
| ø20 | 20, 40, 80 | 141 N | 645 – 1,225 g |
*Effective holding force per finger at 0.5 MPa operating pressure with a 20mm holding point.
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Key Engineering Advantages
- High Rigidity & Precision: Features an integrated linear guide made of martensitic stainless steel, providing smooth operation and high resistance to bending moments and vibrations.
- Space-Saving Mounting: The low-profile design minimizes mounting height, and the unit can be mounted from four distinct directions without the need for additional brackets.
- Improved Repeatability: Equipped with positioning pin holes on the mounting surfaces to ensure consistent alignment during maintenance or replacement.
- Flexible Piping & Sensing: Supports both axial and side piping configurations. Auto-switch mounting slots are provided on both sides for integrated position detection.
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Construction Materials
| Component | Material | Treatment/Notes |
|---|---|---|
| Body | Aluminum Alloy | Hard Anodized |
| Piston / Finger | Stainless Steel | Heat Treated |
| Guide Rail / Joint | Stainless Steel | Heat Treated |
| Seals / Gaskets | NBR | High-durability Nitrile |
| Pinion / Rack | Carbon Steel / Stainless Steel | Nitrided / Heat Treated |
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Load Capacity and Selection Criteria
To ensure optimal service life, external forces and moments must be strictly managed.
Maximum Allowable Moments (e.g., ø12 Model)
- Pitch Moment (Mp): 0.68 N·m
- Yaw Moment (My): 0.68 N·m
- Roll Moment (Mr): 1.4 N·m
- Allowable Vertical Load (Fv): 98 N
Selection Guideline
For secure handling and safety margins (allowing for impact and acceleration), it is recommended to select a model that provides a gripping force 10 to 20 times the weight of the workpiece. For high-acceleration applications, an even greater safety margin should be applied.
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Ordering Guide Summary
- Piping Direction: Specify “Nil” for axial piping or “R” for side piping.
- Stroke Type: Select based on the required opening/closing range (Short, Middle, or Long).
- Auto Switches: Compatible with 2-wire and 3-wire solid-state switches (e.g., F9N, F9P, F9B series)
