MHW
Flexible Coupling – Disk Type
Dimension Drawing
Dimensions/Specifications/CAD
| Part Number | A | L | W | C | s1 | E | F | G | M | Wrench Torque (N･m) |
|---|---|---|---|---|---|---|---|---|---|---|
| MHW-32C | 32 | 13.7 | 40 | 22 | 9 | 15 | 4 | 8 | M3 | 1.5 |
| MHW-40C | 40 | 16.5 | 46 | 28 | 12 | 20 | 6 | 10.5 | M4 | 2.5 |
| MHW-50C | 50 | 19.4 | 52 | 39 | 15 | 25 | 7 | 14.75 | M5 | 7 |
| MHW-63C | 63 | 22.3 | 58 | 45 | 18 | 32 | 8 | 17 | M6 | 12 |
| Part Number | Max. Bore Diameter (mm) | Rated Torque* (N・m) | Max. Torque* (N・m) | Max. Rotational (min-1) | Static Torsional Stiffness (N・m/rad) | Max. Lateral Misalignment (mm) | Max. Angular Misalignment (°) | Max. Axial Misalignment (mm) | Mass** (g) |
|---|---|---|---|---|---|---|---|---|---|
| MHW-32C | 10 | 2 | 4 | 19000 | 1000 | 0.15 | 2 | ±0.4 | 48 |
| MHW-40C | 14 | 4 | 8 | 15000 | 1500 | 0.2 | 2 | ±0.5 | 81 |
| MHW-50C | 20 | 7.5 | 15 | 12000 | 2000 | 0.2 | 2 | ±0.6 | 150 |
| MHW-63C | 25 | 10 | 20 | 10000 | 2500 | 0.3 | 2 | ±0.8 | 230 |
*Adjustment of rated and max. torque specifications for load fluctuations is not required.
For more detailed information, please refer to Selection Guidelines [PDF 171KB].
**Based on the max. shaft bores.
| Part Number | Stock Bores D1-D2 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6 | 8 | 10 | 11 | 12 | 14 | 15 | 16 | 18 | 19 | 20 | 25 | |
| MHW-32C | ● | ● | ● | – | – | – | – | – | – | – | – | – |
| MHW-40C | – | ● | ● | ● | ● | ● | – | – | – | – | – | – |
| MHW-50C | – | – | – | – | ● | ● | ● | ● | ● | ● | ● | – |
| MHW-63C | – | – | – | – | – | – | ● | ● | ● | ● | ● | ● |
●All products come with set screws.
●Recommended tolerance for shaft diameters is h6 and h7.
●Bore and keyway modifications are available on request. Please take advantage of our bore modification services.
For more information please refer to Custom Bore Modifications [PDF 495KB]
Material/Finish
| MHW-C | |
|---|---|
| Hub | A2017 Alumite Treatment |
| Spacer | A2017 Alumite Treatment |
| Disk | SUS301 |
| Pin | SUS303 |
| Collar | SUS303 |
| Hex Socket Head Cap Screw | SCM435 Ferrosoferric oxide film |
Structure
Clamping ｔype
Characteristics
- Applicable motors
MHW Servomotor – Stepping motor ◎ General-purpose motor ◎ ◎：Excellent ○：Very good
- Property
MHW Zero Backlash ◎ Allowable Misalignment ○ ◎：Excellent ○：Very good
- This is a disk type flexible coupling.
- The stainless steel disk allows the eccentricity, and angular misalignment, and end-play.
Application
XY stage/Transport device
Static torsional stiffness comparison (disc-type)
