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CVT belts for agricultural machinery

[GOST 26379-84]

CVTs are designed for agricultural machinery, working in temperate and tropical climates at ambient temperatures from -30 to + 60C.

1. The layer tension (rubber layer) 
2. elastic layer (rubber) 
3. carrier layer (Tension cord belt structure kordshnurovoy) 
4. supporting layer (cloth belt kordtkanevoy frame structure) 
5. a compression layer (rubber member) 
6. wrapper

Made with molded or grooved teeth and without them agreed with the customer.


Belts for agricultural machinery  CVT  consists of a carrier layer on the basis of man-made fibers (the cord or cord fabric), wrapping the fabric layer and the layer or layers of rubber or layers of rubber and fabric, vulcanized in one product. CVT belts for agricultural machinery can be made ​​without the side surface of the wrapper or smaller base.

V-belts  for CVTs are made ​​in the following sizes

The cross section of the belt

CB-25

CB-32

CB-38

CB-45

CB-50

45H22

28H16

The width of the larger base

25

32

38

45

50

50

32

The height of the seat belt

12.5

15

17.5

20

22

22

16

The angle of the wedge belt (degrees)

34

34

34

34

34

40

36

 

The dimensions of the belt teeth should conform to the table

Marking of section belt

The height of the belt between the teeth

The width of the groove

Tooth pitch

CB-25

8.5-9.5

3 ... 5

12 ... 16

CB-32

9,0-11,0

3 ... 5

12 ... 16

CB-38

9,5-11,5

4 ... 6

14 ... 18

CB-45; 40h20

10,0-12,0

5 ... 7

14 ... 18

CB-50; 45h22

12,0-14,0

5 ... 7

14 ... 18

28h16

10,0-12,0

3 ... 5

12 ... 16

 

Average yield belts in operation:

Appointment belts

Average yield belts, h

CB-25, CB-32, CB-38, CB-45, CB-50

45h22-3570, 45h22-3550, 45h22-2600, 45h22-2385, 40h20-2380, 28h16-1450

45h22-4000

CVTs for medium and high power, designed in accordance with the requirements of this standard

600

600

-

For low-power CVT with a wide adjustment range, as well as machines that are in operation

As agreed between the manufacturer and the consumer

-

CVT drive chassis combine harvesters: a single-circuit and variator with automatic tensioning

-

-

600

with double-variator without automatic belt tensioning

-

-

350

 

Symbol Belt:  Belt CB-25-1000 GOST 26379-84 W.  Belt section SV-25, with an estimated length of 1000mm with the cord in the carrier layer. 
The same with cord tissue in the skeletal layer:  Belt CB GOST 26379-84 25-1000T
toothed belt section SV-25, with an estimated length of 1000mm with the cord in the carrier layer:  toothed belt CB GOST 26379-84 25-1000SH

For a complete set of agricultural machinery belts available:

Cross-section 
mm x mm - Length

Application

28h16-1450

Hinged header ZHRB-4,2, "Yenisei-1200"

38h18-1500

Belt variator fan cleaning (grind), reel, reaper, variator pick harvester "Don"

45h22-2385

Combine SKD-6, "Yenisei"

45h22-2600

Harvesters "Niva", "Kolos", "Siberian" CCM-5, SC-SP

45h22-3570

The drive drum combine "Yenisei", the potato and beet harvesters, SKPR-6 Kolos, SC-5, "Niva"

 

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