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Keyword： RCD-I-A Series
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Product Details
•The RCD-I-A series has been pushing the "ultra-thin" boundary across various applications in recent years. Dedicated to leveraging the lightweight and compact nature of harmonic gear drives, the flexible ring features an ultra-thin cup-shaped structure.
Features of the RCD-I-A Series
• Compact and concise design
• Ultra-small diameter design
• High static torque capacity
RHD-I-A Series Structural Diagram
RHD-I-A Series Structural Dimension Table
 | 14 | 17 | 20 | 25 | 32 |
A | 25 | 26.5 | 29.7 | 37.1 | 43 |
B | 23 | 24.5 | 27.7 | 34.1 | 40 |
C | 2 | 2 | 2 | 3 | 3 |
D | 0.5 | 0.5 | 0.5 | 0.5 | 1 |
φEh7 | 55 | 62 | 70 | 85 | 112 |
φF | 31 | 38 | 45 | 58 | 78 |
φG H7 | 12 | 14 | 18 | 24 | 32 |
φH H7 | 11 | 11 | 16 | 20 | 30 |
ΦIH7 | Up to 11 | Up to 15 | Up to 20 | Up to 24 | Up to 32 |
| 6 | 8 | 12 | 14 | 14 |
ΦJh7 | 42.5 | 49.5 | 58 | 73 | 96 |
φK h8 | 55 | 62 | 70 | 85 | 112 |
L | 5 | 5 | 5 | 5.5 | 5.5 |
M | 1.70 -0.2 | 1.70 -0.2 | 1.70 -0.2 | 2.60 -0.2 | 2.50 -0.2 |
φP | 17 | 21 | 26 | 30 | 40 |
φQ | 49 | 56 | 64 | 79 | 104 |
R | 6 | 10 | 12 | 18 | 18 |
φS | 3.4 | 3.4 | 3.4 | 3.4 | 4.5 |
T | 4 | 4 | 4 | 4 | 4 |
U | M3 | M3 | M3 | M3 | M4 |
φV | 25 | 27 | 34 | 42 | 57 |
W | 10 | 8 | 8 | 8 | 10 |
X | M3x7 | M5XB | M6×9 | M8x12 | M8x12 |
φY | 38 | 45 | 53 | 66 | 86 |
Z | 3 | 3 | 3.5 | 4.5 | 5 |
A | 7 | 9.4 | 13.8 | 16.3 | 16.3 |
b | 2 | 3 | 4 | 5 | 5 |
Weight (kg) | 0.34 | 0.47 | 0.66 | 1.3 | 2.5 |
RCD Series Structural Dimension Table
Model | Speed ratio | Rated torque at an input of 2000 rpm | Allowable Peak Torque During Start-Stop Operations | The allowable maximum value of the average load torque | Instantaneous Maximum Torque | Allow maximum input speed | Allow average input speed | Backlash | Design Life | ||||
(Lubricated with grease) | (Lubricated with grease) | ||||||||||||
Nm | kgfm | Nm | kgfm | Nm | kgfm | Nm | kgfm | r/min | r/min | Arc Sec | Hour | ||
14 | 50 | 3.6 | 0.4 | 12 | 1.2 | 4.6 | 0.5 | 24 | 2.4 | 8000 | 3500 | ≤30 | 8000 |
80 | 5.2 | 0.5 | 15 | 1.5 | 7.3 | 0.7 | 31 | 3.1 | |||||
100 | 5.2 | 0.5 | 19 | 1.9 | 7 | 0.7 | 36 | 3.6 | |||||
17 | 50 | 10.6 | 1.1 | 23 | 2.3 | 17 | 1.7 | 46 | 4.6 | 7000 | 3500 | ≤30 | 10000 |
80 | 14 | 1.4 | 27 | 2.7 | 17 | 1.7 | 55 | 5.5 | |||||
100 | 15 | 1.5 | 33 | 3.3 | 24 | 2.4 | 68 | 6.8 | |||||
20 | 50 | 16 | 1.6 | 35 | 3.5 | 26 | 2.6 | 72 | 7.2 | 6000 | 3500 | ≤30 | 10000 |
80 | 24 | 2.4 | 53 | 5.3 | 39 | 3.9 | 108 | 10.8 | |||||
100 | 28 | 2.8 | 62 | 6.2 | 45 | 4.5 | 126 | 12.6 | |||||
25 | 50 | 27 | 2.7 | 68 | 6.8 | 38 | 3.8 | 129 | 12.9 | 5500 | 3500 | ≤30 | 10000 |
80 | 43 | 4.3 | 93 | 9.3 | 59 | 5.9 | 174 | 17.4 | |||||
100 | 45 | 4.5 | 105 | 10.5 | 72 | 7.2 | 191 | 19.1 | |||||
120 | 45 | 4.5 | 112 | 11.2 | 72 | 7.2 | 204 | 20.4 | |||||
32 | 50 | 51 | 5.1 | 128 | 12.8 | 72 | 7.2 | 243 | 24.3 | 4500 | 3500 | ≤30 | 10000 |
80 | 80 | 8.0 | 174 | 17.4 | 110 | 11.0 | 324 | 32.4 | |||||
100 | 92 | 9.2 | 215 | 21.5 | 147 | 14.7 | 390 | 39.0 | |||||
120 | 92 | 9.2 | 229 | 22.9 | 147 | 14.7 | 417 | 41.7 | |||||
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