Cylindrical three-stage reducers 1C3U-160 … 1C3U-250
They allow the mechanism to function even under the highest loads
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Three-stage horizontal cylindrical gearbox C3U of general machine-building application (C3U-160, C3U-200, C3U-250) is intended for changing torques and rotation frequency.
These reducers are used on various sites in connection with other equipment, and will take up very little space due to their compact dimensions. Installed on devices and various devices, it reduces the rotation frequency, but at the same time increases the torque.
Cylindrical reducer of 1C3U: conditions of use
- constant and variable, unidirectional and reversible load;
- work is long or with periodic stops;
- rotation of shafts in any direction;
- the rotation frequency of the input shaft must exceed 1500 rpm;
- atmosphere of types I and II according to GOST 15150-69 with air dust content of no more than 10 mg/m3;
- climatic versions U, T for accommodation category 1-3 and climatic versions UHL and O for accommodation category 4 according to GOST 15150-69.
Basic technical characteristics
| Name of technical characteristics | Unit measurement | Type size | |||
| 1C3U-160 | 1C3U-200 | 1C3U-250 | |||
| Transmission numbers | 16; 20; 25; 31,5; 40; 45; 50; 56; 63; 80; 100; 125; 160; 200 | ||||
| Admissible radial cantilever load | on a high-speed shaft | Н | 630 | 1250 | 2240 |
| on the idler shaft | 9000 | 12500 | 18000 | ||
| Nominal torque on the idler shaft | Н.м. | 1250 | 2500 | 5000 | |
| efficiency | % | 0,96 | |||
| Weight | kg | 64 (110) | 190 | 335 | |
Overall and connecting dimensions
| Type size | Awт | Awp | Awb | А | A1 | В | B1 | Х | H1 | ch | L | L1 | L2 | L3 | L4 | L5 | d |
| мм | |||||||||||||||||
| 1C3U-160 | 160 | 100 | 80 | 475 | 140 | 206 | 195 | 345 | 170 | 32 | 630 | 530 | 135 | 195 | 160 | 224 | 24 |
| 1C3U-200 | 200 | 125 | 100 | 580 | 165 | 243 | 230 | 425 | 212 | 36 | 775 | 650 | 165 | 236 | 190 | 280 | 24 |
| 1C3U-250 | 250 | 160 | 125 | 750 | 218 | 290 | 280 | 530 | 265 | 36 | 950 | 825 | 212 | 290 | 236 | 335 | 28 |
Connecting dimensions of conical shafts
| Type size | high-speed shaft | idler shaft | ||||||||||
| d | d1 | l | l1 | b | t | d | d1 | l | l1 | b | t | |
| 1C3U-160 | 20 | М12х1,25 | 50 | 36 | 4 | 10,6 | 55 | М36х3,0 | 110 | 82 | 14 | 28,95 |
| 1C3U-200 | 25 | М16х1,5 | 60 | 42 | 5 | 13,45 | 70 | M48x3.0 | 140 | 105 | 18 | 36,38 |
| 1C3U-250 | 30 | М20х1,5 | 80 | 58 | 5 | 15,55 | 90 | М64х4,0 | 170 | 130 | 22 | 46,75 |
Connecting dimensions of cylindrical shafts
| Type size | high-speed shaft | idler shaft | ||||||
| d | l | b | t | d | l | b | t | |
| 1C3U-160 | 18k6 | 36 | 6 | 20,5 | 50м6 | 105 | 14 | 53,5 |
| 1C3U-200 | 22k6 | 42 | 6 | 24,5 | 65м6 | 105 | 18 | 69 |
| 1C3U-250 | 25k6 | 58 | 8 | 28 | 85м6 | 170 | 22 | 90 |
The dimensions of the idler shaft in the form of a toothed half-coupling
| Type size | b | d | d1 | d2 | d3 | L | l | l1 | Engaging | |
| м | z | |||||||||
| 1C3U-160 | 20 | 168 | 90 | 72F8 | 95 | 170 | 9 | 38 | 4 | 40 |
| 1C3U-200 | 25 | 210 | 100 | 80F8 | 105 | 197 | 10 | 50 | 5 | 40 |
| 1C3U-250 | 30 | 232 | 150 | 120F8 | 170 | 236 | 10 | 50 | 4 | 56 |
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