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Advanteges of 81XHH chain:
The 81XHH Lumber Conveyor Chain is an extra heavy-duty version of the 81X series, designed for extreme load, high impact, and continuous operation in demanding wood processing environments.
Compared with standard 81X and 81XH chains, the 81XHH chain features thicker side plates, stronger pins, and higher tensile strength, making it ideal for large timber, logs, and heavy lumber conveying systems where maximum durability and safety are required.
Brand Reputation: JINQIU CHAIN, as a prominent 81xhh chains manufacturer, we offer a complete range of lumber conveyor chains. They combine high strength,durability and fatigue resistance to suit demanding applications.
Quality & Performance: Lumber conveyor chains main products are 81X series, sharp top chain and so on. Chains are widely used in wood conveying equipment.
Price & Value: We offer customization services to meet the specific needs of our clients. This includes OEM and ODM support, allowing us to tailor the product to their requirements. Whether it's a trial order or a large quantity, we can accommodate various customization requests.
Supply Chain: Our wood conveyor chains have strong load-bearing capacity, wear resistance, corrosion resistance, and can operate stably for a long time in harsh working environments.
| Item | Specification |
|---|---|
| Chain Type | 81XHH Lumber Conveyor Chain |
| Pitch | 66.27 mm |
| Roller Dia. | 23mm |
| Pin Diameter | Heavier than 81XH |
| Side Plate Thickness | Extra Heavy |
| Material | Carbon Steel / Alloy Steel |
| Heat Treatment | Pins & Bushings Hardened |
| Tensile Strength | Higher than 81XH |
| Application | Heavy Lumber & Log Conveying |
81XHH Chain Drawings

The applications of 81xhh chain:
1.The 81xhh chain is widely applied in conveyor systems, ensuring smooth and reliable material transportation. Its robust design allows it to withstand heavy loads, making it ideal for industrial settings where 81xhh chain's durability is crucial.
2.In packaging machinery, the 81xhh chain plays a vital role in driving the movement of packaging components, enhancing production efficiency with its precise and stable performance.
3.For automotive assembly lines, the 81xhh chain provides consistent power transmission, facilitating seamless operation of various processes.
4.The 81xhh chain is also used in textile machines, where its low - noise and high - precision features are highly valued.
● Wood Industry
Tobacco Machine Chain is an indispensable and important part of the tobacco processing industry and is widely used in various links such as tobacco leaf transportation, cutting, rolling, packaging and drying.

Advantages of Lumber Conveyor Chain
● High load-bearing capacity
Wood, especially logs, is large in size and weight, and the chain needs to have a very strong load-bearing capacity to ensure stable transportation of large wood and heavy objects.
● Abrasion resistance
Wood surfaces are usually rough, and a large amount of sawdust, dust and wood chips may be generated during processing, which will increase the wear of the chain.
● Corrosion resistance
Wood may carry moisture or chemicals during wood processing, especially during drying, painting and other treatments, the chain may be exposed to humid or corrosive environments.
● Adapt to harsh environments
The environment of wood processing plants is usually harsh, and equipment often needs to operate under dust, moisture, temperature differences and high loads. Lumber Conveyor Chain design needs to take these factors into account to ensure stable operation in different environments.
● Fatigue resistance
Wood processing lines usually work continuously, and chains need to withstand repeated loads during long-term operation. Therefore, the fatigue resistance of the chain is crucial to ensure that the chain will not break or deform due to long-term high-intensity operation.
Workshops
We have 400 tons punching machines, 100 tons tensile machine, various welding robots and laser cutting equipment, mesh belt furnace, spectrometer, and over 300 sets advanced production and testing equipment.
Automation Group
Punching Group
Heat Treatment Workshop
Welding Workshop
Assembly Group
Laser Cutting Workshop
Quality Testing Center
Stocking Warehouse
Equipment
CNC Milling Machine
Cutting Machine
Heat Treatment with Automatic Mesh Belt Conveyor Furnace
Induction Hardened Machine
Welding Robot
Laser Cutting Equipment
Vacuum Furnace
Multipurpose Furnace
81XHH Chain Quality Testing
Impact Testing Machine
Spectrograph
Vickers Hardness Tester
Metallographic Sample Cutting Machine
Pretension Machines
Electronic Rockwell Hardness Tester & Tensile Strength Testing Machine
Precision Length Measuring Instrument
Office
Why Choose JINQIU?
● Over 36 Years' History in Designing and Manufacturing Industrial Chains
With operations in more than 50 countries, we deliver high-quality industrial chains tailored to your needs.
We occupy more than 60,000 square meters, with 8 specialized production workshops, over 300 employees and including 50 in engineering and product developing. We have an annual production capacity of more than 10000 tons, and over 300 sets advanced production equipment and testing equipment.
● Innovative R&D Team Provides Customized Chain Solutions
We provide comprehensive technical support and our dedicated R&D team works closely with customers to design chains that meet unique requirements.
● Flexible Customization & Trial Orders to Meet Your Needs
At Jinqiu Chain, we support full customization and small-batch trial orders, ensuring solutions tailored to your specific applications.
81XHH Chain SGS Certificate
81XHH Chain Patent Certificate
After-sales Service
● Professional Technical Guidance
If you have any product questions about chain model selection, production quality, detailed data, troubleshooting, repair and maintenance, you can contact us at any time. We will arrange professional technicians to solve the problem and respond to your needs quickly.
● Free Sample Trial
If you have any doubts about our products, we can provide sample trial services to help you verify the product's suitability and performance before formal purchase.
● Order Tracking & Logistics Support
We provide order progress tracking service for each customer, ensuring that you know the production and delivery status of the product in real time. We provide flexible logistics options and can provide global delivery services according to your location.
● Product Installation Guide
Provide professional installation advice and technical support. You can contact the technical team by phone or online to ensure the smooth installation and commissioning of the chain on the equipment.
● Quality Assurance & After-sales Maintenance
We provide quality assurance for every chain product. If quality problems occur during use (such as chain breakage, wear, etc.), we provide repair or replacement services and ensure that you can resume normal operation in the shortest possible time.
● User Feedback & Improvements
We value every customer's feedback, regularly collect and analyze user opinions, and continuously improve our products and services. If customers have any new needs or suggestions, we will respond and adjust the plan in a timely manner.
Customer Testimonials
| Buyers from Canada: The product quality is very good and meets my expectations. Currently, I have not encountered any problems while using it, and the merchant is very professional. |
| Buyers from USA: Chain quality is amazing and delivery is fast, I like it, look forward to our continued relationship. |
| Buyers from India: Thanks, I think I have a trustworthy partner. You know our needs and try to keep our best interests in mind. Looking forward to our continued relationship. |

