DARPP8M Double-Sided Toothed Synchronous Belt for Flour Mills
Product Overview
Our Double-Sided Timing Belts for roller mills (typically found in machines like Bühler, Ocrim, or Sangati) are engineered for synchronous transmission. By utilizing teeth on both sides, the belt can drive the "fast" and "slow" rolls of a milling stand simultaneously from a single power source, ensuring a constant speed ratio that is vital for consistent flour quality.
Technical Specifications
|
Parameter |
Standard Specification |
|
Tooth Profile |
HTD 8M, 14M, STD S8M, or RPP8M RPP14M |
|
Material |
High-Quality Chloroprene (Rubber) |
|
Tension Cord |
Fiberglass (Standard) or Aramid (Heavy Duty) |
|
Operating Temp |
−30∘C to +90∘C |
|
Standard Widths |
50mm, 85mm, 115mm (Customizable) |
|
Compliance |
Anti-static (ISO 9563), Oil & Heat Resistant |
Double-sided timing Roller Mill Belt:
D-2000-RPP8M-115
D = Double-sided
2000 = Pitch Length [mm]
RPP8M = Tooth Profile
115 = Width [mm]
Dual sided synchronous Commonly Roller Mill Belts Size
Part number examples:
DA.S14M1400-120mm
DA.HTD8M2400-85mm
DA.HTD8M2000-100mm
DA.HTD8M2000-85mm
DA.HTD8M1600-100mm
DA.HTD8M1400-100mm
DA.HTD8M1200-100mm
Core Technical Features
Dual-Sided Power Transmission: The symmetrical tooth profile allows for 100% power load capacity on either side of the belt, facilitating complex "serpentine" drive layouts.
High-Modulus Tension Members: Reinforced with high-tensile Fiberglass or Aramid (Kevlar) cords to ensure zero stretch. This maintains the precise differential ratio between the grinding rolls.
High-Grade Chloroprene (Neoprene) Body: The rubber compound is formulated for oil resistance (important in food environments) and high heat resistance to withstand the friction of 24/7 milling operations.
Low-Friction Fabric Facing: Both sides of the teeth are covered with a high-performance nylon stretch fabric to reduce noise, minimize wear on the pulleys, and ensure smooth engagement.
Shear Resistance: Specially designed tooth geometry (such as RPP 8M or RPP14M) prevents tooth shear even under the high torque of a fully loaded roller mill.
Why the Differential Ratio Matters
In a roller mill, the two rolls rotate at different speeds (e.g., a ratio of 2.5:1). The Double-Sided Timing Belt is the only solution that can maintain this exact ratio without the "creep" or "slip" found in V-belts.
The Result: Better starch damage control, higher extraction rates, and reduced energy consumption.
Maintenance & 5S Integration
To maximize the life of your Roller Mill Belts, we recommend integrating your new Oil-Absorbing products:
Black Oil-Absorbing Felt: Place under the main drive motor and bearing housings to catch any leaking grease before it reaches the belt.
High-Efficiency Mats: Use these to wipe the pulleys during belt changes. Any residual oil on a timing pulley can lead to "tooth jumping" or rubber degradation.
Visual Inspection: Since these belts are double-sided, inspect the "back" teeth (outer side) just as carefully as the inner teeth for signs of cracking or fabric wear.
Why Choose Yonghang for Roller Mill Belts?
With 20 years of experience, we understand that in the flour milling industry, downtime is expensive.
We offer matching pulleys to ensure the perfect mesh between the belt and the machine.
Our belts are Anti-static certified, a mandatory safety requirement for flour mills to prevent dust explosions.
YONGHANG specializes in produce and custom coated transmission belts for 12 years.
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