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Steel cord conveyor belt 

USAGE:
Steel cord conveyor belts are widely used in high strength,long distance and heavy load transportation of materials,and they are also used in high strength and short distance transportaion of materials on special occasions.

 

SHARACTERISTISS :
1. High tensile strength:The belts are suitable for large span,long distance transportation of materials

2. Small elongation in use:The belts need only a very short take-up stroke distance.

3. Small diameter of drive pulley:The bely body has a layer of longitudinally arranged steel cords as its skeleton,and thus is resistant to flex fatigue.Therefore,drive pulley of smaller diameter can be used to make the equipment smaller.

4.High adhesion between rubber and steel cord:The steel cords are coated with zinc on their surface,and also the rubber used has the property of qood adhesion with steel cords.Therefore,the rubber is tighrly adhered to the steel cords and is resistant to shock and difficult to drop,so the rubber belts are long in life.

5.Even tension of steel cords:Out of our advanced techniques in manufacturing,the steel cords are very evenly arranged and have the same tension,so the belts are well balanced in running and difficult to run awry.

6. Good troughability:As the belt body has no transverse skeleton,it is easyv to from a deep trogh,so the belts can load more materials and prevent the materials from escaping.

7.Good troughability:As the belt boby has no transverse skeleton,it is easy to from a deep trough,so the belts can load more materials and prevent the materials from escaping.

8.Inspection of the belt with X-rays:Users can X-rays to inspect damages of the skeleton steel cords on the conveyor machines to prevent accidents from happening.

Standard belt specification:

Standard belt specification
Belt strength (st-NO.) Max Cord diam (mm) composition Pitch (mm) Standard working tension
(N/mm)
standard cover Thickn
esst1t2
(mm)
Belt weight(Kg/m2) Min.pulley diam(mm) cord strngth KN/piece
St-630 3.0 K6x7+IWS 10 90 5x5 19.1 800 6.93
St-800 3.5 K6x7+IWS 10 110 5x5 20.6 800 8.8
St-1000 4.0 K6x7+IWS 12 140 6x6 24.7 800 13.2
St-1250 4.5 K6x7+IWS 12 175 6x6 25.4 800 16.5
St-1600 5.0 K6x19+IWS 12 225 6x6 26.0 1000 21.12
St-2000 6.0 K6x19+IWS 12 285 8x6 30.0 1000 26.4
St-2500 7.2 K6x19W+IWS 15 355 8x6 32.2 1250 41.25
St-3150 8.1 K6x19W+IWS 15 450 8x8 35.7 1400 51.98
St-3500 8.6 K6x19W+IWS 15 500 8x8 44.9 1500 57.7
St-4000 8.9 K6x19W+IWS 15 570 8x8 46.6 1600 66
St-4500 9.7 K6x19W+IWS 16 645 8x8 49 1800 79.2
St-5000 10.9 K6x19W+IWS 17 715 8.5x8.5 53.6 1800 93.5
St-5400 11.3 K6x19W+IWS 17 760 9x9 57.5 2000 101

 

Number of steel cords:

belt width mm

St630

St800

St1000

St1250

St1600

St2000

St2500

St3150

St3500

St4000

St4500

St5000

St5400

800

75

75

63

63

63

63

50

50

50

-

-

-

-

1000

95

95

79

79

79

79

64

64

64

64

59

55

55

1200

113

113

94

94

94

94

76

76

77

77

71

66

66

1400

133

133

111

111

111

111

89

89

90

90

84

78

78

1600

151

151

126

126

126

126

101

101

104

104

96

90

90

1800

-

171

143

143

143

143

114

114

117

117

109

102

102

2000

-

159

159

159

159

128

128

130

130

121

113

113

2200

-

-

-

-

-

176

141

141

144

144

134

125

125

2400

-

-

-

-

-

193

155

155

157

157

146

137

137

Cover rubber property and grades :

Test items
Property indexes
GB9770-2001
DIN22131
D
H
L
P
W
X
Y

Tdnsile strngth  

Mpa >=

18

25
20

14

18

25

20

Pull to break the elongation rate

% >=

400

450
400

350

400

450

400

after aging(70℃、7D)
Change rate of tensile strength Change rate of elongation

%

-25~+25

-25~+25
-25~+25

-25~+25

-25~+25

-25~+25

-25~+25

Abrasion

<=

90MM3

120MM3
150MM3

200MM3

90MM3

120MM3

150mm3

ADHHESION OF STEEL CORD:

strength

St630

St800

St1000

St1250

St1600

St2000

St2500

St3150

St3500

St4000

St4500

St5000

St5400

Adhhesion N/mm GB9770-2001

60

70

80

95

105

105

130

140

145

150

165

175

180

Adhesion
N/mm
DIN22131-88

60

70

80

95

105

105

130

140

145

150

165

175

180

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