Dimension Drawing
*1: In a case where the bore diameter is φ 4 or less, the set screw is used in only one place.
| Part Number | Max. Bore Diameter (mm) |
Rated Torque＊1 (N・m) | |||
|---|---|---|---|---|---|
| MRGS-40 | 20 | 3 | 15000 | 8.1×10-5 | 326 |
＊1： Correction of rated torque due to load fluctuation is not required.
＊2： These are values with max. bore diameter.
| Part Number | Standard Bore Diameter (Dimensional Allowance H8) D1･D2 |
||||
|---|---|---|---|---|---|
| MRGS-40 | 16-16 | 16-18 | 16-19 | 16-20 | 18-18 |
| 18-19 | 18-20 | 19-19 | 19-20 | 20-20 | |
● All products are provided with hex socket set screws.
● Recommended tolerance for shaft diameters is h6 and h7.
● Bore and keyway modifications are available on request. Please take advantage of our modification services.
Additional Modification Service
Modified Part Number
Enter the desired bore diameter and then click [Check Modified Part Number].
| Standard bore diameter(D1) | Standard bore diameter(D2) | Modified Part Number | Price | Add to cart |
|---|---|---|---|---|
|
mm
in.
|
mm
in.
|
Cart |
| Shaft Hole D1D2 |
keyway | Key | |||||||
|---|---|---|---|---|---|---|---|---|---|
| b | t | Nominal Dimension b×h |
|||||||
| Basic Dimension | Allowance (JS9) |
Basic Dimension | Allowance | ||||||
| 6 | 7 | 2 | ±0.0125 | 1.0 | +0.1 0 |
2×2 | |||
| 8 | 9 | 10 | 3 | ±0.0125 | 1.4 | 3×3 | |||
| 11 | 12 | 4 | ±0.0150 | 1.8 | 4×4 | ||||
| 13 | 14 | 15 | 16 | 17 | 5 | ±0.0150 | 2.3 | 5×5 | |
| 18 | 19 | 20 | 22 | 6 | ±0.0150 | 2.8 | 6×6 | ||
| 24 | 25 | 28 | 30 | 8 | ±0.0180 | 3.3 | +0.2 0 |
8×7 | |
| 32 | 35 | 36 | 38 | 10 | ±0.0180 | 3.3 | 10×8 | ||
| 40 | 42 | 44 | 12 | ±0.0215 | 3.3 | 12×8 | |||
| 45 | 48 | 50 | 14 | ±0.0215 | 3.8 | 14×9 | |||
- Refer to the "Couplicon Bore Diameter Additional Modification Service" for more information.
- BT： Additional modification of bore
- KT： Metric Keyway Modification (JIS Standard)
- KA： Inch Keyway Modification (AGMA Standard)
Structure
Set Screw Type
MRG Aluminum alloyMRGMRGS
Clamping Type
MRG-C Aluminum alloyMRG-CMRGS-C
Split Type
MRG-W Aluminum alloyMRG-WMRGS-W
Material/Finish
| MRGS | |
|---|---|
| Main Body | SUS303 |
| Hex Socket Set Screw | SUSXM7 |
| Hex Socket Head Cap Screw | SUSXM7 |
Characteristics
- Recommended Applicable Motor
| MRG | MRGS | |
|---|---|---|
| Servomotor | ◎ | ◎ |
| Stepping Motor | ◎ | ◎ |
| General-purpose Motor | ● | ● |
- Property
| MRG | MRGS | |
|---|---|---|
| Zero Backlash | ◎ | ◎ |
| High Torque | ◎ | ○ |
| High Torsional Stiffness | ◎ | ◎ |
| Corrosion Resistance (All S.S.) | - | ◎ |
- This is a rigid type coupling.
- Light weight and ultra small moment of inertia. High response. High response.
- There are two types of units made of aluminum alloy or all stainless steel.
- There are three attachment methods: set screw type, clamping type, and split type.
Application
High precision XY stage / Machine tool / Cleaning equipmentSelection
Selection Based on Shaft Diameter and Rated Torque
The area bounded by the shaft diameter and rated torque indicates the selection size.
Selection Example
In case of selected parameters of shaft diameter of φ15 and load torque of 3 N・m, the selected size for MRG is MRG-32.Related Products
Rigid coupling with high precision XRP-C is available.
