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Design features
Worm gearboxes single-stage universal type 2H are produced instead of gearboxes of the RFU type, they have an increased load capacity in relation to them.
Application area
Designed to increase torque and reduce speed

Specifications «2Ч-40 (2CH-40)»:

Name of parameter Parameter value
Gear type Worm
Number of transmission stages One-stage
The location of the axes Cross
Gear ratio 8; 10; 12.5; 16; 20; 25; 31.5; 40; 50; 63; 80;
Rated torque, N * m 31
Total center distance, mm 40
Weight, kg 6.5
Performance 0.53 - 0.87
іnom2CH-40
Мкр, Н.мefficiency
8320,87
10320,85
12,5280,83
16360,81
20350,76
25300,73
31,5400,70
40360,63
50320,60
63280,58
80200,53

i nom - nominal gear ratio;
Мкр - permissible torque.

CONSTRUCTION, DIMENSIONS AND CONNECTION DIMENSIONS OF THE GEARBOX

Чертеж редуктора 2Ч-40 (2CH-40)
Standard sizeAwABB1B2B3HH1H2LL1L2L3L4d
2CH-4040105120100140164180723716010015018010013

Options for Assembly of the gearbox

Варианты сборки редуктора 2Ч-40 (2CH-40)

1 – the worm under the wheel, 2 – the worm over the wheel, 3-high-speed vertical shaft, 4-low-speed vertical shaft.

Connecting dimensions of input and output shafts:

the performance of C - cylindrical shaft

Цилиндрический вал редуктора 2Ч-40 (2CH-40)

the performance of TSh tapered shaft with internal thread

Конический вал редуктора 2Ч-40 (2CH-40)
gear typeexecutioninput shaft size (mm)output shaft size (mm)
d
d1
I
I1
t
b
d
d1
I
I1
t
b
2CH-40
C
16
М5
28
15
18
5
18
М5
28
15
20,5
6
TSh
16
М5
28
15
8,5
3
18
М5
28
15
9,5
4

Connecting dimensions of hollow shafts:

Hs-hollow, slotted
Hk-hollow, keyed

Полый вал редуктора 2Ч-40 (2CH-40)

gear size
d
d1
I
I1
b
t
the slot type GOST 6033
2CH-40
23
18
112
72
6
20,8
22х1,5хН8