• Steel Cord Conveyor Belt
    Application: Steel cord conveyor belts a re widely used in high strength, long distance and heavy load transportation of materials and they are also used in high strength and shont distance transportation of materials on special occasions.
    Description

    Application:

    Steel cord conveyor belts a re widely used in high strength, long distance and heavy load transportation of materials and they are also used in high strength and shont distance transportation of materials on special occasions.

    Feature:
    1.High tensile strength:the belts a re 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 belt 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 a re coated with zinc on their surface, and also the rubber used has the property of good adhesion with steel cords. Therefore, the rubber is tightly 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 away.
    6.Good troughability:As the belt body has no transverse skeleton, it is easy to form a deep trough, so the belts can load more materials and prevent the materials from escaping.
    7.Inspection of the skeleton steel cords on the convey or machines to prevent accidents from happening.

    Adhesion of steel cord

    Strength

    ST

    600

    ST

    800

    ST

    1000

    ST

    1250

    ST

    1600

    ST

    2000

    ST

    2500

    ST

    3150

    ST

    4000

    ST

    4500

    ST

    5000

    ST

    5400

    ST

    6300

    Adhesion N/mm
    GB9770-88

    54

    60

    64

    69

    74

    84

    98

    108

    118





    Adhesion N/mm
    DIN22131-88

    60

    70

    80

    95

    105

    105

    130

    140

    145

    150

    165

    175

    180

    Standard specifications

    Belt strength
    (st-No.)

    Cord diam d(mm)


    Cord structure

    Pitch P
    (mm)

    Standard working
    tension(N/mm)

    Standard rubber cover
    thicknes t1t2(mm)

    Belt weight
    (Kg/㎡)

    Min.Pulley
    diam.(mm)

    Cord strength
    KN/piece

    ST-630

    3.0

    6*7+1WS

    10

    90

    5*5

    20.0

    800

    6.93

    ST-800

    3.5

    6*7+1WS

    10

    110

    5*5

    20.6

    800

    8.8

    ST-1000

    4.0

    6*7+1WS

    12

    140

    6*6

    24.7

    800

    13.2

    ST-1250

    4.5

    6*7+1WS

    12

    175

    6*6

    25.4

    800

    16.5

    ST-1600

    5.0

    6*19+1WS

    12

    225

    6*6

    26.0

    1000

    21.12

    ST-2000

    6.0

    6*19+1WS

    12

    285

    8*6

    30.0

    1000

    26.4

    ST-2500

    7.5

    6*19W+1WS

    15

    355

    8*6

    32.2

    1250

    41.25

    ST-3150

    8.1

    6*19W+1WS

    15

    450

    8*8

    35.7

    1400

    51.98

    ST-4000

    9.1

    6*19W+1WS

    17

    570

    8*8

    37.8

    1600

    74.8

    ST-4500

    9.7

    6*19W+1WS

    16

    645

    8*8

    38.7

    1800

    79.2

    ST-5000

    10.9

    6*19W+1WS

    17

    715

    8.5*8.5

    41.9

    1800

    93.5

    ST-5400

    11.3

    6*19W+1WS

    17

    760

    9*9

    43.9

    2000

    101

    ST-6300

    12.3

    6*19W+1WS

    18

    900

    10*10

    48.3

    2000

    124.74


    Number of steel cords

    Belt width(mm)

    ST

    600

    ST

    800

    ST

    1000

    ST

    1250

    ST

    1600

    ST

    2000

    ST

    2500

    ST

    3150

    ST

    4000

    ST

    4500

    ST

    5000

    ST

    5400

    ST

    6300

    800

    75

    75

    63

    63

    63

    63

    50

    50






    1000

    95

    95

    79

    79

    79

    79

    64

    64

    56

    60

    56

    56

    52

    1200

    113

    113

    94

    94

    94

    94

    76

    76

    68

    72

    68

    68

    63

    1400

    133

    133

    111

    111

    111

    111

    89

    89

    79

    84

    79

    79

    74

    1600

    151

    151

    126

    126

    126

    126

    101

    101

    91

    96

    91

    91

    85

    1800


    171

    143

    143

    143

    143

    114

    114

    103

    107

    103

    103

    96

    2000



    159

    159

    159

    159

    128

    128

    114

    120

    114

    114

    107

    2200






    176

    141

    141

    125

    133

    125

    125

    118

    2400






    193

    155

    155

    137

    146

    137

    137

    129


    Characteristic and grades

    Test items

    Property indexes

    GB700-88

    DIN22131-88

    Class H

    Class M

    Class W

    Class X

    Class Y

    Tensile strength

    Mpa≥

    17.65

    13.73

    18

    25

    20

    Elongation at break

    %≥

    450

    400

    400

    450

    400

    After aging
    Change rate of tensile strength
    Change rate of elongation

    %

    -25~+250

    -25~+250

    -25~+250

    -25~+250

    -25~+250

    Abrasion

    0.6cm3/1.61Km

    0.8cm3/1.61Km

    90cm3

    120cm3

    150cm3



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