Conveyor Belt Cover Compounds Selection

In-Depth Guide to Conveyor Belt Cover Selection

Introduction

The selection of cover rubber for conveyor belts is critical for ensuring optimal performance, durability, and safety. This guide delves into the specifics of cover grades, providing a comprehensive understanding of their applications and benefits.

Detailed Overview of Cover Grades

1. General Purpose Grades (M, N)
   • Suitable for most industries with moderate conveying requirements.
   • Provides good resistance to abrasion and minor impacts.
2. Abrasion-Resistant Grades (A, X, Y, Z)
   • Ideal for environments with sharp, abrasive materials.
   • Offers enhanced resistance to wear and tear, prolonging belt life.
3. Heat-Resistant Grades (T1 to T5)
   • Designed to withstand high temperatures, preventing belt degradation.
   • Each grade corresponds to a specific temperature range, from 100°C to 300°C.
4. Oil-Resistant Grades (OR, MOR, HOR)
   • Prevents swelling and deterioration due to oil exposure.
   • Essential for industries processing or transporting oily materials.
5. Fire-Resistant Grades (K, S)
   • Provides critical safety in fire-prone environments.
   • Reduces the risk of fire propagation along the conveyor system.
6. Chemical-Resistant Grades (C)
   • Offers protection against corrosive substances.
   • Suitable for chemical processing or exposure to aggressive materials.

Key Selection Factors

• Material Characteristics: Understand the physical and chemical properties of the conveyed material.
• Operational Environment: Assess the temperature, chemical exposure, and fire risks.
• Cost-Efficiency: Consider the balance between upfront costs and potential savings in maintenance and longevity.

Detailed Tables for Cover Grade Selection

Table 1: General Purpose and Abrasion-Resistant Grades

Grade	Application	Tensile Strength	Abrasion Loss	Recommended Industries
M	General Purpose	18 MPa	250 mm³	Logistics, packaging
N	General Purpose	17 MPa	200 mm³	Manufacturing, assembly lines
A	High Abrasion	24 MPa	120 mm³	Mining, quarrying
X	Extreme Abrasion	25 MPa	90 mm³	Recycling, heavy-duty mining

Table 2: Heat-Resistant Grades

Grade	Max Temp (°C)	Tensile Strength	Application
T1	100	14 MPa	Cement manufacturing, baking
T2	125	14 MPa	Steel processing, glass industry
T3	150	14 MPa	Foundries, incineration plants
T4	180	14 MPa	Asphalt production, smelting

Table 3: Oil and Chemical-Resistant Grades

Grade	Resistance Level	Application	Tensile Strength	Features
OR	Oil Resistant	Food processing, chemical plants	16 MPa	Prevents swelling and degradation
MOR	Moderate Oil	Automotive, recycling	15 MPa	Suitable for intermittent exposure
HOR	High Oil	Oil refineries, tar processing	17 MPa	For continuous oil exposure

Conclusion

Selecting the appropriate cover rubber for conveyor belts is crucial for ensuring operational efficiency, safety, and cost-effectiveness. By considering the material characteristics, operational environment, and specific industry requirements, businesses can make informed decisions that optimize the performance and lifespan of their conveyor systems.