Heavy-duty long-pitch roller chains excel with their high load-bearing capacity, wear resistance, impact resistance, and long lifespan, making them ideal for heavy-duty, low-speed, and high-impact applications in heavy industry. Our chains meet international leading standards and have been validated for quality reliability through rigorous destructive testing. The chain is suitable for various scenarios and can provide customized solutions based on needs, ensuring optimal performance and long-lasting durability.
Characteristics of DCC Heavy Duty Roller Chains With Extended Pins
Material
Made from high-quality alloy steel or carbon steel, it undergoes heat treatment to achieve high strength and wear resistance.
Chain Structure Type
Single-row chain, double-row chain, multi-row chain
Chain Link Structure
Internal link section, external link section, roller
Connection Method
Spring clip connection, pin riveted
Surface Treatment Process
Galvanizing, carburizing quenching, phosphating, shot peening
Special Design Features
Automated welding robots were used to weld the sleeves to the side panels, ensuring stability and uniformity at each weld point.
Specification Parameters of DCC Heavy Duty Roller Chains With Extended Pins
Chain no. | Pitch P1(mm) | Diameter of roller d1(mm) | Diameter of pin d2(mm) | Inner width of inner link b1(mm) | Length of pin L(mm) | Data of sidebar | Tensile strength Q(KN) | |||
h(mm) | h1(mm) | h2(mm) | T | |||||||
M-A1 | 700 | 245 | 78 | 155 | 355 | 340 | 103 | 217.5 | 38 | 5400 |
Chain no. | Pitch P1(mm) | Inner width of inner link b1(mm) | Diameter of roller d1(mm) | Diameter of pin d2(mm) | Data of sidebar | Tensile strength Q(KN) | ||||
h(mm) | h1(mm) | h2(mm) | L(mm) | T(mm) | ||||||
JL60300 | 300 | 60 | 125 | 28 | 154.5 | 45 | 92 | 137 | 12 | 588 |
JL60400 | 400 | 60 | 125 | 28 | 154.5 | 45 | 92 | 137 | 12 | 588 |
JL60500 | 500 | 60 | 125 | 28 | 154.5 | 45 | 92 | 137 | 12 | 588 |
JL90300 | 300 | 62 | 135 | 30 | 177.5 | 56 | 110 | 156 | 16 | 882 |
JL90400 | 400 | 62 | 135 | 30 | 177.5 | 56 | 110 | 156 | 16 | 882 |
JL90500 | 500 | 62 | 135 | 30 | 177.5 | 56 | 110 | 156 | 16 | 882 |
JL90300W | 300 | 78 | 135 | 30 | 177.5 | 56 | 110 | 172 | 16 | 882 |
JL90400W | 400 | 78 | 135 | 30 | 177.5 | 56 | 110 | 172 | 16 | 882 |
JL90500W | 500 | 78 | 135 | 30 | 177.5 | 56 | 110 | 172 | 16 | 882 |
JL130300 | 300 | 76 | 150 | 38.5 | 188 | 63 | 113 | 187 | 16 | 1274 |
JL130400 | 400 | 76 | 150 | 38.5 | 188 | 63 | 113 | 187 | 16 | 1274 |
JL130500 | 500 | 76 | 150 | 38.5 | 188 | 63 | 113 | 187 | 16 | 1274 |
JL130600 | 600 | 76 | 150 | 38.5 | 188 | 63 | 113 | 187 | 16 | 1274 |
JL160400 | 400 | 85 | 175 | 41.5 | 221.5 | 75 | 134 | 198 | 119 | 1569 |
JL160500 | 500 | 85 | 175 | 41.5 | 221.5 | 75 | 134 | 198 | 19 | 1569 |
JL160600 | 600 | 85 | 175 | 41.5 | 221.5 | 75 | 134 | 198 | 19 | 1569 |
Performance Indicators of DCC Heavy Duty Roller Chains With Extended Pins
Service Life
Our heavy duty roller chains, which utilize automatic welding technology, high-frequency heating treatment, and corrosion-resistant surface processes, have a longer lifespan than ordinary chains, especially in environments with severe wear and harsh conditions.
Operating Speed Range
Suitable for various operating speed ranges, it prevents chain damage or low transmission efficiency caused by speed mismatch.
Temperature Adaptation Range
Designed for extreme environments, our heavy duty roller chains can operate across a wide temperature range, from -40°C to +300°C.
Anti-corrosion Performance
Thanks to precise surface treatment processes, our heavy duty roller chains have excellent corrosion resistance, making them particularly suitable for environments with high humidity and strong corrosive conditions.
Wear Resistance
Using high-frequency heating and surface reinforcement, long-term use ensures no significant wear or performance degradation.
Noise Level
Precise welding techniques and stable structural design reduce friction and collisions between chains, thereby lowering mechanical noise and improving the working environment in factories.
Advantages
High-strength Welding Structure: Ensure durability and high load capacity.
Automatic Welding Robot Technology: Ensure consistent quality of each weld joint.
High-frequency Heat Treatment: Enhance the wear resistance and tensile strength of the 8mm roller chain.
Customization Options: Meet diverse customer needs by offering flexible solutions.
Longer Service Life: Our company has successfully obtained API and ISO 9001 certifications.
Applications of DCC Heavy Duty Roller Chains With Extended Pins
Mining Equipment
For ore conveying and hoisting equipment.
Metallurgical Industry
Designed for transporting heavy items such as billets and steel plates.
Cement industry
Designed for conveying clinker, limestone, and similar materials.
Port Equipment
For loading, unloading, and transporting containers and bulk cargo.
Maintenance Information of DCC Heavy Duty Roller Chains With Extended Pins
Lubrication Requirements
Although our 8mm roller chain has good self-lubrication during operation, we recommend regular lubrication to further extend its lifespan. (It is suggested to check every 500 hours.)
Maintenance Cycle
Our 8mm roller chain design is simple and has a longer maintenance cycle, reducing the frequency of replacements and repairs compared to traditional chains (ensure maintenance effectiveness by using appropriate tools and lubricants).
Certification and Standards
The company has obtained multiple international quality certifications, including ISO 9001 and CE certification.Each batch of engineering class chains undergoes rigorous quality control and testing to ensure compliance with industry standards and provide reliable quality assurance to customers.
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Why choose us?
Excellent Quality Assurance System
Our company has successfully obtained API and ISO 9001 certifications, ensuring that all products meet international standards.
Efficient Service and Superior Cost-effectiveness
DONGCHUAN chains establish extensive collaboration with Changzhou University, for Digital Design and Production Engineering of Chain Transmission.we have significantly improved production efficiency and effectively reduced production costs.
International Service and Global Customer Support
In the course of more than 10 years of operation, we have provided consistent quality and cost-effective products to more than 40 countries and regions around the world, and won a wide range of trust and praise
Innovation and Continuous Improvement
Committed to technological innovation and continuous improvement, we consistently stay at the forefront of industry technology development.
After-sales Service
We focus not only on short-term cooperation but also on establishing long-term, stable partnerships with our clients.Our products come with a warranty period of up to 24 months.
