180° Angular Air Gripper, Rack And Pinion Type, MHW2 Series

Caution
- Refer to the catalog for details on product specifications.
- Product images may be representative. Refer to the manufacturer's catalog for details.
Product Description
[Features]
· The unique seal construction allows for a shorter overall length and a constant grip strength when opening/closing.
· Can be equipped with auto switches in 4 locations.
· The key connection offers excellent impact-resistance.
· 2 types of finger option.
· Dustproof structure.
· Bearings equipped as standard.
180° Angular Type Air Chuck MHW2 Series Specifications

MHW2 Series JIS symbol (double acting, external gripping)

Finger option: flat finger type (standard) external appearance

Finger option: open/closing finger tap mounting type external appearance
| Applicable fluids | Air |
|---|---|
| Operating pressure | 0.15 to 0.7 MPa |
| Ambient temperature and working fluid temperature | -10 to +60°C |
| Repeat accuracy | ±0.2 mm |
| Maximum operating frequency | ø20 (diameter 20 mm), ø25 (diameter 25 mm): 60 c.p.m ø32 to 50 (diameter 32 to 50 mm): 30 c.p.m |
| Lubrication | Non-lube |
| Operating method | Double acting type |
| Auto switch (option)* | Solid state auto switch (3-wire, 2-wire) |
Note) See the manufacturer's catalog for detailed specifications of auto switches.
Model
| Model | Cylinder inner diameter (mm) | Gripping moment (effective value N·m)* | Opening/closing angle (both sides) | Weight (g)* | |
|---|---|---|---|---|---|
| Opening side | Closing side (finger touching) | ||||
| MHW2-20D | 20 | 0.30 | 180 ° | -5 ° | 300 |
| MHW2-20D1 | 320 | ||||
| MHW2-25D | 25 | 0.73 | -6 ° | 510 | |
| MHW2-25D1 | 540 | ||||
| MHW2-32D | 32 | 1.61 | -5 ° | 910 | |
| MHW2-32D1 | 950 | ||||
| MHW2-40D | 40 | 3.70 | -5 ° | 2,140 | |
| MHW2-40D1 | 2,270 | ||||
| MHW2-50D | 50 | 8.27 | -4 ° | 5,100 | |
| MHW2-50D1 | 5,350 | ||||
- *Value at pressure of 0.5 MPa.
- *Values do not include auto switch weight.
Outline dimensional drawing

MHW2-20D / flat finger type (standard) dimensional drawing

MHW2-20D / auto switch mounting groove dimensional drawing
(Unit: mm)

MHW2-20D1 / open/closing finger tap mounting type dimensional drawing
Structural drawing

MHW2 Series structure drawing

MHW2 series / fingers closed structure drawing

MHW2 series / fingers open structure drawing
Component parts
| Number | Part name | Material | Note |
|---|---|---|---|
| 1 | Body | Aluminum Alloy | Hard anodizing |
| 2 | Piston | Aluminum Alloy | Hard anodizing |
| 3 | Pinion gear | Carbon steel | Heat treated |
| 4 | Seal cover | Brass | - |
| 5 | Dampers | Urethane rubber | - |
| 6 | Finger (A) | Carbon steel | Nitrided |
| 7 | Finger (B) | Carbon steel | Nitrided |
| 8 | Rubber magnet | Synthetic rubber | - |
| 9 | Rack | Carbon steel | Nitrided |
| 10 | Cap | ø20 (diameter 20 mm), 25 (diameter 25 mm): resin | - |
| ø32 to 50 (diameter 32 to 50 mm): aluminum alloy | Hard anodizing | ||
| 11 | Piston bolt | Stainless steel | - |
| 12 | Ball bearing | Carbon steel | Shield type |
| 13 | Key | Carbon steel | - |
| 14 | Hexagon socket head bolt | Carbon steel | Zinc chromate |
| 15 | Hex Socket Set Screw | Carbon steel | Zinc chromate |
| 16 | Type C retaining ring | Carbon steel | Phosphate coated |
| 17 | Type C retaining ring | Carbon steel | Phosphate coated |
Precautions
- *Note that when using the open/closing finger tap mounting type, there is a risk the bolt may interfere with the speed controller. (When using MHW)
- *See the manufacturer's catalog for the selection procedure, effective gripping force and allowable overhang amount.
- *Be sure to read the product-specific precautions in the manufacturer's catalog before use.
- *See the manufacturer's catalog for product information other than the above.

Precautions when mounting