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Gates Mectrol Products

Detail About

Gates Mectrol Products

 
Wide Belts - Gates MectrolGates Mectrol can produce urethane timing belts in widths up to 450 mm. This belt is specifically designed for synchronous conveying applications. 

Wide belts are primarily used as process conveyor belts. Process (or conversion steps) normally occur on the belt, therefore the conveyed product requires additional width.
Product Features
• High strength Kevlar® cord construction
• Parallel cord construction
   - No cords exposed at edges of belt
   - Better tracking
   - Uniform tensioning
• Tough polyurethane construction
   - Durable and cut resistant
   - Oil, chemical and water resistant
   - Non-marking
• Choice of polymers including FDA grades
• Nylon back and nylon tooth surface options available for quieter
   operation and reduced friction
• Various molded profiles and backing materials available
• No lubrication required

Common Applications

High speed conveying

Rapid indexing

Automated process conveyor belts

Bulk product conveying

Clean block1 or wash down environment

Consult Application Engineering for
restrictions.

  
Application Characteristics 
• Replaces flat conveyor belt
   - No retensioning required
   - Lower shaft forces
   - Positive indexing
   - Higher acceleration without slippage
• Alternative to modular plastic conveyor
   - Quieter operation
   - Easier cleaning
   - No hinges or pins to break and contaminate products
 Wide Belt Application - Diaper

Gates Mectrol's extra wide urethane timing belts used in synchronous conveying provide dramatically higher production speeds - as shown on this diaper production line.

  
Wide Belt Specifications
        WH WT10 GMT3™
Pitch (Imperial and metric)       .500" 10mm 3mm
Ultimate Tensile Strength per Inch or 25mm Belt Width Kevlar lbf/in 760 760 420
N/25mm 3380 3380 1870
Max. Allowable Belt Tension per Inch or 25mm Belt Width Welded lbf/in 100 100 50
N/25mm 440 440 220
Allowable Effective Tension for the Belt Teeth (15 and More Teeth in Mesh) Welded lbf/in 330 280 100
N/25mm 1470 1250 440
Specific Belt Weight Kevlar lbf/ft/in 0.056 0.066 0.033
kgf/m/cm 0.033 0.039 0.020
Specific Belt Stiffness (Open Ended) Kevlar lbf/in 24000 24000 14750
N/mm 4200 4200 2580
Min. No. of Pulley Teeth       14 16 19
Min. Pitch Diameter (Inch or mm)       2.23" 51mm 19 mm
Min. Diameter of Tensioning Idler Running on Back of Belt     inch 3.12 3.12 1.125
    mm 80 80 30
Available in FDA Compliant Construction (85 shore A Urethane) Yes Yes Yes
Standard Colors (N=Natural, W=White, B=Blue)     N N W, B
Min. Welded Belt Length       33" 850 mm 850 mm
Standard Roll Length       200 ft 60 m 60 m
Standard Slitting Lanes       N/A N/A 25 mm
Min. Width Available       6" 150 mm 100 mm
Max. Width Available       18" 450 mm 450 mm*
Width Tolerance       +/- .060" +/-1.0 mm +/-1.0 mm
* Up to 200 mm available now. Up to 450mm available after March 2008.
 
Service Temperature Range –20°C to +70°C  (-4°F to 158°F)
Hardness, Shore A 92 Shore A - Standard PU, 85 Shore A - FDA Compliant PU
Coefficient of Friction Urethane vs. Steel (dry)  0.5 to 0.7
Urethane vs. Aluminum (dry)  0.5 to 0.6
Urethane vs. UHMWPE (dry) 0.2 to 0.4
Nylon vs. Steel (dry) 0.2 to 0.4
Nylon vs. UHMWPE (dry) 0.1 to 0.3


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