V Belts

Reason

Allwyn

Cheap Quality Belts

Effect

Double Fabric Layer

Yes

No

Longer Life

HMLS Cord

Yes

No

No extensive elongation Problem

Double Side Cushion On Cord Frame

Yes

No

Increased ability to Handle heavy loads

Natural  Rubber Compound

Yes

No (Heavy Dosage of Reclaim Rubber)

Increased Life due to less fatigue on heavy load usage

Heat & Wear Resistance

Yes

No

Use of Neoprene compound in jacket fabric  ensures heat  and wear resistance

Section & Sizes

Section

Top width mm.

Thickness mm

Nominal inside mm

Length range inches

A

13

8

457-5537

18-218

B

17

11

457-5537

18-218

C

22

14

914-15240

36-600

D

32

19

2743-15240

108-600

E

38

23

4013-15240

158-600

Section

Belt pitch length exceeds inside length by mm

Pully, outside diameter exceeds pitch diameter by(mm)

A

36

6.6

B

.43

8.4

C

56

11.4

D

79

16.2

E

92

19.3

Speed ratio range

Factor to be applied to the smaller pulley pitch diameter to obtain equivalant diameter

1.000 -1.019

1.00

1.020 -1.032

1.01

1.033 1.055

1.02

1.055- 1.081

1.03

1.082- 1.109

1.04

1.110- 1.142

1.05

1.143- 1.178

1.06

1.179-1.222

1.07

1.223-1.274

1.08

1.275- 1.340

1.09

1.341-1.429

1.10

1.430- 1.562

1.11

1.563- 1.184

1.12

1.815- 2.948

1.13

2.949 & over

1.14

Nominal inside length mm

Size range

No of consecutive grading number any of which may be used to make a match set

457- 1676

18- 66

1

1702- 2286

67-90

2

2311-3048

91-120

3

3073- 4572

121-150

4

4597- 9093

181-358

5

9119 and over

359 and over

6

D- d
C

Fd

D- d
C

Fd

D- d
C

Fd

0.00

1.00

0.50

0.93

1.00

0.82

0.05

0.99

0.55

0.92

1.05

0.81

0.10

0.99

0.60

0.91

1.10

0.80

0.15

0.98

0.65

0.90

1.15

0.78

0.20

0.97

0.70

0.89

1.20

0.77

0.25

0.97

0.75

0.88

1.25

0.75

0.30

0.96

0.80

0.87

1.30

0.73

0.35

0.95

0.85

0.86

1.35

0.72

0.40

0.94

0.90

0.85

1.40

0.70

0.45

0.93

0.95

0.83

1.45

0.68