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DESCRIPTION
Universal single-stage worm gearbox 6CH-100 is designed to increase the torques and simultaneously reduce the rotational speed. The gearbox is used under operating conditions in accordance with GOST R50891-96:
- the load is steady and varying, unidirectional and reversal;
- the operation is continuous or stick-slip;
- rotation of shafts in any direction;
- the rotational speed of the input shaft should not exceed 1800 rpm;
- the sliding velocity of the gear should not exceed 10 m/s;
- atmosphere types I and II in accordance with GOST 15150-69 when the dust content of air is not more than 10 mg/m3, climatic category are U, T, for placement categories 1-3 and climatic category UKHL for placement category 4 in accordance with GOST 15150-69.
Overall and connection dimensions GEARBOX 6CH-100
Gearbox designation
Example of gearbox designation when ordering and in the documentation of other products where it can be applied: Gearbox 6CH-100-40-51-1-КК-2VUZ, TU 4161-009-68260994-2011, where:
- 6CH — gearbox type — single-stage, worm;
- 100 — center distance;
- 40 — nominal gear ratio;
- 51 — assembling variant in accordance with GOST 20373-94;
- 1 — variant of worm-and-worm gear placing;
- К — design variant of the input shaft;
- К — design variant of the output shaft;
- 2 — accuracy class in accordance with GOST R 50891-96;
- V — with fan;
- UZ — type of climatic category in accordance with GOST 15150-69.
Specifications
Nominal gear ratios (U nom.), torsional capacity (Mt), values of the input rated horsepower (W), as well as the efficiency factors (ζ):
|
Nominal gear ratios U nom. |
Torsional capacity (Мt), design efficiency (ζ), input rated horsepower (W), at rotational speed of the input shaft 1500 rpm. | ||
|
6CH-100 |
|||
|
Мт, Нм |
ζ, % |
W, кВт |
|
|
8.0 |
400 |
0,92 |
8,5 |
|
10.0 |
380 |
0,91 |
6,6 |
|
12.5 |
370 |
0,90 |
5,4 |
|
16.0 |
420 |
0,88 |
4,6 |
|
20.0 |
390 |
0,86 |
3,5 |
|
25.0 |
370 |
0,85 |
2,9 |
|
31.5 |
440 |
0,79 |
2,7 |
|
40.0 |
390 |
0,75 |
2,0 |
|
50.0 |
380 |
0,74 |
1,7 |
|
63.0 |
300 |
0,66 |
1,1 |
|
80.0 |
280 |
0,65 |
0,85 |
The values of efficiency in the first 200 hours of the gearbox operation should be not less than 80% of those specified in the table. In case of the worm-and-worm gear placing according to the variant 2 (worm is above wheel), Mt should be reduced by 20%. During continuous operation, the gearboxes U ≥ 50 should not be applied. Torsional capacity (Mt) and efficiency (ζ) are given under the condition of using the lubricant «Transol-100» TU38 USSR 201 352-84. In case of using formulated oils of the IGP or ASZp series, the values of Mt and ζ are reduced by 7%, in case of using unformulated oils of the «cylinder» and MS series, the should be reduced by 20%.
The allowable cantilever loads in the middle of the shaft ends:
|
Gearbox designation |
Input shaft, N |
Output shaft, N |
| 6CH-100 |
920 |
7280 |
Weight (kg), up to ± 5%:
| Assembling variant | Gearbox Weight, kg |
| Assembling variant 56 |
52 |
Corrected sound power level, dB at nominal transmitted power:
| до 1,5 кВт |
82 дБ |
| от 1,5 до 4 кВт |
85 дБ |
| от 4 до 12 кВт |
89 дБ |
| свыше 12 кВт |
94 дБ |