Worm reducers 2CH-40 … 2CH-80
They allow the mechanism to function even under the highest loads
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Single-stage worm gearbox 2CH (2CH-40, 2CH-63, 2CH-80) is a universal mechanism of general purpose and is designed to change the torque and rotation frequency. This species is widely used in production and agriculture.
The 2CH speed gearbox is used in the following conditions:
- constant and variable, unidirectional and reversible load;
- work began with periodic stops;
- rotation of shafts in any direction without advantage with the frequency of rotation of the input shaft up to 1500 rpm;
- ambient temperature from -40 °C to +50 °C;
- humidity up to 95% at a temperature of +20°C;
- height above sea level – no more than 1000 m.
Basic technical characteristics
| Nominal transferable number | 2CH-40 | 2CH-63 | 2CH-80 | |||
| Тnom, N.t. | EFF, % | Тnom, N.t. | EFF, % | Тnom, N.t. | EFF, % | |
| 8 | 32 | 0,87 | 120 | 0,89 | 230 | 0,90 |
| 10 | 32 | 0,85 | 110 | 0,88 | 210 | 0,89 |
| 12,5 | 28 | 0,83 | 100 | 0,88 | 200 | 0,88 |
| 16 | 36 | 0,81 | 140 | 0,84 | 260 | 0,85 |
| 20 | 35 | 0,76 | 120 | 0,83 | 240 | 0,83 |
| 25 | 30 | 0,73 | 110 | 0,81 | 220 | 0,82 |
| 31,5 | 40 | 0,70 | 150 | 0,74 | 280 | 0,77 |
| 40 | 36 | 0,63 | 130 | 0,73 | 260 | 0,72 |
| 50 | 32 | 0,60 | 120 | 0,68 | 240 | 0,71 |
| 63 | 28 | 0,58 | 100 | 0,62 | 210 | 0,64 |
| 80 | 20 | 0,53 | 90 | 0,60 | 180 | 0,61 |
Overall and connecting dimensions
| Type size | Aw | А | B | V1 | B2 | B3 | Х | H1 | H2 | L | L1 | L2 | L3 | L4 | d |
| 2CH-40 | 40 | 105 | 120 | 100 | 140 | 164 | 180 | 72 | 37 | 160 | 100 | 150 | 180 | 100 | 13 |
| 2CH-63 | 63 | 150 | 145 | 125 | 165 | 197 | 232 | 82 | 40 | 200 | 135 | 180 | 220 | 120 | 13 |
| 2CH-80 | 80 | 180 | 165 | 140 | 185 | 212 | 267 | 92 | 42 | 238 | 160 | 225 | 260 | 145 | 15 |
Connecting dimensions of the shafts
| Type size | high-speed shaft | idler shaft | ||||||||||
| d | d1 | l | l1 | b | t | d | d1 | l | l1 | b | t | |
| 2CH-40 | 16 | М5 | 28 | 15 | 3 | 8,5 | 18k6 | М5 | 40 | 15 | 6 | 20,5 |
| 2CH-63 | 22 | M8 | 36 | 20 | 4 | 11,6 | 28k6 | M8 | 60 | 20 | 8 | 31 |
| 2CH-80 | 25 | M8 | 42 | 20 | 5 | 13,45 | 35к6 | M8 | 80 | 20 | 10 | 38 |
Connecting dimensions of hollow shafts (2 options)
| Type size | d | d1 | L | l1 | b | t | D х m х H8 |
| 2CH-40 | 23 | 18 | 112 | 72 | 6 | 20,8 | 22 х 1,5 х H8 |
| 2CH-63 | 33 | 28 | 108 | 68 | 8 | 31,1 | 32 х 1,5 х H8 |
| 2CH-80 | 41 | 35 | 116 | 66 | 10 | 38,3 | 40 х 1,5 х H8 |
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