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Metal Conveyor Belts Metal Conveyor Belts Metal Conveyor Belts Metal Conveyor Belts
Metal Conveyor Belts
Metal Conveyor Belts Metal Conveyor Belts Metal Conveyor Belts

Metal Conveyor Belts

Product Details:

X

Metal Conveyor Belts Price And Quantity

  • INR/Meter
  • 100 Meter

Metal Conveyor Belts Trade Information

  • 100000 Meter Per Month
  • 4 Week
  • All India

Product Description

Metal Conveyor Belting:

Offered Metal Conveyor Belts are accessible in both polyester-nylon and nylon carcass. These belts can be composed by using grade M-24, grade N-17, grade HR, grade SHR and grade FR rubber material. In addition, offered belts are composed with uniquely mixed synthetic compounds that deliver ideal resistance to animal and vegetable oils alongside mineral. Moreover, our Conveyor Belts are intended to notify the least ensured complete thickness tensile power and various synthetic textile reinforcing piles. A nylon or polyester fabric is deployed in our belts that offer mechanically a high impact abuse and a low strength resistance.

Key Features:

  • Highly oppose effect add accidental damage
  • The integrated fabric has the least elongation
  • Have superior adhesion construction
  • Safe to fatigue against belt flexing

 

Dunlop Starfelx conveyor belting is available in both-all Nylon (NN) and Polyester-Nylon (EP) carcass and can be manufactured with the following cover rubber grades.

Grade M-24: Compounded from premium quality natural rubber to provide excellent resistance to cutting, gouging, tear and wear, and conforms to the maximum abrasion loss value specified for grade M in DIN 22102 of 1970 & IS: 1891 (Part-I) latest.

Grade N-17: Compounded rubber with improved flex life for moderately abrasive material conforming to the maximum abrasion loss value specified from Grade N in DIN 22102 of 1970 & IS: 1891 (Part-I) latest.

Grade HR: Specially compounded rubber capable of withstanding thermal degradation for prolonged periods and recommended for handling materials like alumina, ash, clinker, foundry sand etc. at temperatures above 65oC and up to 120oC for fines and 140oC for coarse materials, & IS: 1891 (Part-I) latest.

Grade SHR: Thoroughly proven in the field this grade has been specially formulated, using selected synthetic and natural rubber, to provide superior heat and abrasion resistance and is recommended for handling material like foundry sand, clinker, coke wharf, coke breeze and sinter having temperature over 65oC and up to 180oC for coarse and 160oC for fines.

Grade FR: The growing demand for fire resistant rubber conveyor belting was first catered to by Dunlop with grade of cover rubber. Our technologists have developed FR belting to meet any of the two following standards.

The Canadian Bureau of Mines(CBM)

Specification- Certification service for underground mining and equipment and materials, EMR, Canada- ERP/MRL-80-21 (TR) of september 1980 and

The canadian standards association specification (CSA) no. CAN/CSA-M422-M87 of 1987-Type C

Dunlop is among the few manufacturers worldwide to have received certification (No. 836) from the canadian centre for mineral and energy technology for conformation to type C of the CSA specifications including Drum Friction, Anstisatic and Flame Test requirements.

Grade OR: This cover grade with specially blended synthetic compounds is designed to give the best possible resistance to mineral, vegetable and animal oils.

Standards Applicable

Dunlop all-syntghetic starflex conveyor belting conforms the following standards, as and wherever applicable: IS: 1891 (Parts I, II and III )

  • BS: 490 (part I)
  • DIN 22102
  • ERP/MRL-80-21 (TR)
  • CAN/CSA-M422-M87
  • IPSS: 2-03-006-88

Technical Data

Dunlop Starflex conveyor Belts are designated to denote the minimum guaranteed full thickness tensile strength and the number of reinforcing piles of synthetic textiles e.g. 500/3 denotes a belt having a minimum guaranteed full thickness tensile strength of 500kN/m. Incorporating 3 plies of textile reinforcement.

SPECIALITY OF FABRIC USED IN CONVEYOR BELT

Polyester /Nylon Fabric (EP) Conveyor Belt

The construction of fabric used in this belt is polyester  in wrap an nylon in Weft , which provides technically a low stretch and high impact abuse resistance .

Special Feature :

Resistance to compact : Polyester Belt greatly resist impact add accidental damage [up to ] over the impact resistance of cotton & viscous rayon belts depending upon the number of pipes .

Low Elongation : The belt with polyester Fabric has lower elongation than the belt using nylon fabric .

Resilliency for Supporting Loads: The polyester fabric beam construction and superior adhesion combine to ensure maximum resistance to fatigue from flexing of the belt carrying full loads and deep trough idlers.

Complete Moisture & Mildew Protection: The fabric permits higher adhesion of carcass. More Resistance to moisture and mildew protection than other fabric.

Nylon / Nylon Fabric (NN) Conveyor Belt

The Nylon / Nylon Conveyor belting offers maximum impact and damage resistance from carrying material .It is reasonably flexible and when used and when used as a carcass material for belt , quite suitable for transportng a variety of material such as Ore , Crushed Stones , Grains, Sand etc...

Special Features:

Exceptional shock & impact resistance : Nylon/ Nylon Fabric belt greatly resist impact and accidential da, mage depending upon the number of piles used in the belts .

Excellent Troughability & Flexibility : The polyester fabric beam construction and superior adhesion combine to ensure maximum resistance to fatigue from flexing of the belt carrying full loads and deep trough idlers.

Greater Resistance to water and Mildew :  The fabric permits higher adhesion of carcass. More Resistance to moisture and mildew protection than other fabric.

Beside these , Nylon Fabric provides superior Fastner Holding ability and it's light weight enables usage of less motor power

                                                                       

       Recommended  Minimum  Pulley  Diameters




Carcass  Thickness

Recommended   minimum  Diameter  in  mm  for  Percentage  of  RMBT*  Used

Polyamide Polyamide

Polyester - Polyamide

Over 60 upto 100 percent     Type of Pulley

Over 30 upto 60 percent     Type of Pulley

Upto 30 percent                      Type of Pulley

From

To

From

To

A

B

C

A

B

C

A

B

C

-

1.1

-

0.9

100

-

-

-

-

-

-

-

-

1.2

1.3

1.0

1.1

125

100

-

100

-

-

-

-

-

1.4

1.7

1.2

1.4

160

125

100

125

100

-

100

100

-

1.8

2.2

1.5

1.8

200

160

125

160

125

100

125

125

100

2.3

2.7

1.9

2.3

250

200

160

200

160

125

150

160

125

2.8

3.5

2.4

2.9

315

250

200

250

200

160

200

200

160

3.6

4.4

3.0

3.7

400

315

250

315

250

200

250

250

200

4.5

5.5

3.8

4.6

500

400

315

400

315

250

315

315

250

5.6

7.0

4.7

5.8

630

500

400

500

400

315

400

400

315

7.1

8.8

5.9

7.4

800

630

500

630

500

400

500

500

400

8.9

11.1

7.5

9.2

1000

800

630

800

630

500

630

630

500

11.1

13.8

9.3

11.5

1250

1000

800

1000

800

630

800

800

630

13.9

15.5

11.6

12.9

1400

1250

1000

1250

1000

800

1000

1000

800

15.6

17.7

13.0

14.8

1600

1250

1000

1250

1000

800

1000

1000

800

17.8

20

14.9

16.6

1800

1400

1250

1400

1250

1000

1250

1250

1000

 

 

16.7

18.5

2000

1600

1250

1600

1250

1000

1250

1250

1000

 

CONVEYOR  PROBLEM ==== Causes & remedy

 

PROBLEM

REMEDY

1

Idlers or pulleys cut-of square with the center line of belt

Readjust idlers at the affected area

2

Conveyor frame of structure crooked

Straighten in affected area

3

Idler stands not centered on belt

Readjust idlers in affected area

4

Sticking Idlers

Free idlers and improve maintenance and lubrication

5

Build up of material on idlers

Remove accumulation, improve maintenance, install scrapers or other cleaning devices

6

Belt not joined squarely

Remove affected splice & re-splice

7

Bowed  belt

For new belt this condition should disappear during break-in; in rare cases belt must be straightened or replaced; check storage & handling of belt rolls

8

Off centre loading or poor loading

djust chute to place load on center of belt discharge material in direction of belt travel at or near belt speed

9

Slippage of belt pulley

Increase tension through screw take-up add counter weight; lag drive pulley; increase arc of contact

10

Material slippage and build-up

Improve loading & transfer condition; install cleaning device; improve maintenance

11

Bolt heads protruding above lagging

Tighten bolts; replace lagging; use vulcanized on lagging

12

Tension too high

Increase speed; same tonnage; reduce friction with better maintenance; replace damage idlers; decrease tension by increasing arc of contact or go to lagged pulley; reduced CWT to minimum amount

13

Skirt board improperly adjusted or wrong material

Adjust skirt board supports to minimum 25 mm between metal & belt with gap increasing in the direction of belt travel; use skirt board rubber (not old belt)

14

Belt spanking down under load impact

Install cushion idlers

15

Material hanging up in or under chute

Improve loading to reduce spillage; install buffer; widen chute

16

Impact of material on belt

Reduce impact by improving chute design; install impact idlers

17

Material trapped between belt & pulley

Install plows or scrapers on return run ahead of tail pulley

18

Belt edges folding up on structures

Same corrections as for 1, 2, 3; install limit switches; provide more clearance

19

Dirty, stuck or misaligned return rolls

Remove accumulations; install cleaning devices; use self-cleaning return rolls; improve maintenance & lubrication; cover quality too low; replace belt with heavier cover gauge or higher quality rubber

20

Cover quality too low

Replace belt with heavier cover gauge or higher quality rubber

21

Spilled oil or grease

Over-lubrication of idlers; improve house keeping; reduce quantity of grease used; check grease seals

22

Wrong type of fasteners; Too tight or too loose

Use proper fasteners & splice technique; set-up schedule for regular fastener inspection

23

Heat or chemical damage

Use belt designed for specific condition

24

Fastener plates too long for pulley sizes

Replace with smaller fastener; increase pulley size

25

Improper transition between troughed belt & terminal pulleys

Adjust transition

26

Severe convex (hump) vertical curve

Decrease idler spacing in curve; increase curve radius

27

Excessive forward tilt of trough rolls

Reduce forward tilt of idlers to no more than 2 from vertical

28

Excess gap between idler rolls

Replace with heavier rolls

29

Insufficient transverse stiffness

Replace with proper belt

30

Pulleys too small

Use larger diameter pulleys

31

Counter weight too light

Add counter weight or increase screw take-up to value determined from calculation

32

Counter weight too heavy

Lighten counter weight to value required by calculation

33

Pulleys lagging worn

Replace pulley lagging

34

Insufficient traction between pulley & belt

Lag drive pulley; Increase belt warp; Install belt cleaning device

35

System underrated

Recalculate belt tension & select proper belt

36

Excessive sag between idlers causing load to work & shuffle on belt as it passes over idlers

Reduce idler spacing

37

Improper storing or handling

Follow correct storing & handling procedure

38

Belt improperly spliced

Re-splice using proper method

39

Belt running off-centre around the tail pulley & through the loading area

Install training idlers on the return run prior to tail pulley

40

Belt hitting structure

Install training idlers on carrying 7 return run

41

Improper belt installation causing apparent  excessive belt stretch

Pull belt through counter weight with a tension equal to at least empty running tension; run belt in with mechanical fasteners

42

Improper initial positioning of counterweight in its carriage cause apparent excessive belt stretch

Reposition & correct counter weight

43

Insufficient counterweight travel

Check counterweight & correct it

44

Structure not level

Level structure in affected area

45

Covers cut on very small cover punctures allow fines to work under cover & cut covers away from carcass

Make spot repair with vulcanizer or self-curing repair

 

 




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