FEATURES
- 3D models available
- Dual class 7 custom bearings for MM-3M-R
- Single class 7 custom bearing for MM-3M-A & B
- Multi-faceted connection interface
- Homing Switch
When ordering multi-axis units the completed assembly will include all necessary braces, kits and hardware
GENERAL DATA:
- Load capacity: 2 kg and 0.5 kg Direct Top Load
- Rotary Travel: 360°
- Table Speed: 0.409 rad/sec
- Weight: 76 grams
GENERAL PRECISION:
- Repeatability: 70 µrad
- Accuracy: 400 µrad
- Axial Wobble: 291 µrad
- Planar Shift: 1.2 µm
- Eccentricity: 3 µm
Product Selector
NOTE: If viewing on a cell phone, landscape mode is recommended.
3D models available
|
Speed/Resolution
|
Max. Travel Rate
|
Resolution
|
GH
Ratio |
|||
|---|---|---|---|---|---|---|
|
rad/sec
|
deg/sec
|
µrad/count
|
deg/count
|
arcsec/count
|
||
| SPRS1 | 1.6363 |
93.7531
|
122.7185 |
0.007031 |
25.312508
|
16:1 |
| SPRS2 | 0.4091 |
23.4397
|
30.6796 |
0.001758 |
6.328122
|
64:1 |
| SPRS3 | 0.1023 |
5.8614
|
7.6699 |
0.000439 |
1.582030
|
256:1 |
| SPRS4 | 0.0256 |
1.4668
|
1.9175 |
0.000110 |
0.395513
|
1024:1 |
|
Specifications:
|
MM-3M-R-ST
|
MM-3M-R-A
|
MM-3M-R-B
|
|
|---|---|---|---|---|
| Repeatability: | 70 µrad* | same | same | |
| Homing Repeatability: | 300 µrad* | same | same | |
| Accuracy (linearity): | 400 µrad* | same | same | |
|
A. Axial Wobble (axial angular long range repeatability) |
300 µrad | 10 µrad | 10 µrad | |
| B. Axial angular deviation, total: | 300 µrad | 300 µrad | 10 µrad | |
| C. Planar shift, total: | 1.2 µm | 0 | 0 | |
|
D. Eccentricity: (runout, including bearing mount) |
3 µm | 3 µm | 3 µm | |
| View Schematic for an illustration of A., B.,C., D. | ||||
| Direct Top Load: | 2 kg axial | 0.5 kg axial | 0.5 kg axial | |
| Moment Load: |
500 mNm (70.8 oz-in) |
90 mNm (12.7 oz-in) |
90 mNm (12.7 oz-in) |
|
| Torque Load: |
80 mNm (11 oz-in) |
40 mNm (5.6 oz-in) |
40 mNm (5.6 oz-in) |
|
|
Gearhead Ratio: (with 80:1 worm ratio) |
64:1 (std) | 16:1 | same | same |
| Speed (low load): | 0.4091 rad/sec | 1.57** rad/sec | same | same |
|
Encoder Conversion : (view resolution data sheet) |
30.68 µrad/count |
122.72 µrad/count |
same | same |
| Gearhead Backlash: | ~1 mrad† | ~4 mrad† | same | same |
| Rotor Max Torque: |
200 oz-in |
50 oz-in | same | same |
| Rotor Backlash (preloaded): | 0 | same | same | |
| Weight: | 76 g | same | same | |
|
Travel Range: |
unlimited | same | same | |
| Worm Ratio: | 80:1 | same | same | |
| Stage Body w/Motor Dimensions: |
72.6 x 36.3 x 15 (mm) (L x W x H) |
same | same | |
| Motor: |
10 mm diameter, 6-12 Vdc, brush type
(see Motor Specifications) |
|||
*Encoder resolution must be added based on the gearhead: 16:1 add ±122.72 µrad, 64:1 add ±30.68 µrad, 256:1add ±7.67 µrad, 1024:1 add ±1.92 µrad
**A higher gear reduction means a slower speed. Higher speeds (lower ratio) can be used, but at the expense of resolution and load/torque capacity.
†Dependent upon gear ratio backlash can be compensated in software without overshoot.
Note: The MM-3M stages are designed for peak performance at low loads: ex; 60g, less than 50.8mm off axis.
The information contained on this website is subject to change without notice. Critical dimensions or specifications should be verified with our technical support staff.