Planetary Gearbox for MDrive34AC Plus2
MDrive34AC Plus2 Planetary Gearbox Parameters
| Permitted | Gearbox | Maximum |
| Output Side with Ball Bearing | |||
| Output Torque | Efficiency | Backlash | Maximum Load |
| Weight | ||
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| (oz/g) | ||||||
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| Radial | Axial | Gearbox |
| with Flange | |
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2832/20.0 | 0.80 | 1.0° | 90/400 | 18/80 | 64.4/1827 |
| 66.7/1890 | |
8496/60.0 | 0.75 | 1.5° | 135/600 | 27/120 | 89.5/2538 |
| 92.6/2625 | |
16992/120.0 | 0.70 | 2.0° | 225/1000 | 45/200 | 92.6/2625 |
| 118.5/3360 |
Table B.2: Planetary Gearbox Specifications – PM81
*Gearbox without Flange
†Gearbox with Flange
4x Ø 0.217 (Ø5.5) Hole†
M6 x 0.472 (12.0) Deep*
3.386 SQ. (86.0 SQ.)
0.030) | 0.0008 | ||
0.010) | - | ||
| † |
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+0.0006/ | 0.0012 |
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+0/ | - | ||
- | - | - 0.021) | |
+0.015/50.0 | 73.0+0/ | +0/ | |
1.969 | 2.874 | +0/19.0 | |
Ø (Ø or Ø (Ø | 0.748 | ||
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| Ø (Ø | |
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1.929*
(49.0)
or
1.811†
(46.0)
1.575 (40.0)
K1 ±0.02 (±0.5)
0.197*(5.0) or 0.079(2.0)†
|
| MDrive34Plus |
Ø 3.189 (Ø 81.0) | ||
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Ø2.56* (Ø 65.0)
2.739 SQ.†
(69.58 SQ.)
Ctrg. DIN
Key DIN
0.394† (10.0)
| Dimensions in inches (mm) | |
Stages | K1 | K1 |
| (Gearbox) | (NEMA Flange) |
4.315 (109.6) | 4.433 (112.6) | |
5.169 (131.3) | 5.287 (134.3) | |
6.024 (153.0) | 6.142 (156.0) |
Figure B.7: Planetary Gearbox Specifications for MDrive34AC Plus2
PM81 Gearbox Ratios and Part Numbers
Planetary | Ratio | Part |
|
Gearbox | (Rounded) | Number |
|
3.71:1 | G1A1 |
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5.18:1 | G1A2 |
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6.75:1 | G1A3 |
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13.73:1 | G1A4 |
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15.88:1 | G1A5 |
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18.37:1 | G1A6 |
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19.20:1 | G1A7 |
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22.21:1 | G1A8 |
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25.01:1 | G1A9 |
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26.85:1 | G1B1 |
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28.93:1 | G1B2 |
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34.98:1 | G1B3 |
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45.56:1 | G1B4 |
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Planetary | Ratio | Part |
Gearbox | (Rounded) | Number |
50.89:1 | G1B5 | |
58.86:1 | G1B6 | |
68.07:1 | G1B7 | |
71.16:1 | G1B8 | |
78.72:1 | G1B9 | |
92.70:1 | G1C1 | |
95.18:1 | G1C2 | |
99.51:1 | G1C3 | |
107.21:1 | G1C4 | |
115.08:1 | G1C5 | |
123.98:1 | G1C6 | |
129.62:1 | G1C7 | |
139.14:1 | G1C8 | |
149.90:1 | G1C9 | |
168.85:1 | G1D1 | |
181.25:1 | G1D2 | |
195.27:1 | G1D3 | |
236.10:1 | G1D4 | |
307.55:1 | G1D5 |
Table B.3: Planetary Gearbox Ratios and Part Numbers
| MDriveAC Plus Microstepping Hardware - Revision R031808 |
| Relevant to Firmware Version 3.0.02 |