Product Description
Leaf chains(hoisting chains)
1. Standards: ISO /DIN /ANSI
2. Model: LH series, LL series, AL series
3. Materials: Carbon steel 40Mn
4. All parts are heat treatment(quenching and tempering) and controlled in a reasonable tolerance range.
5. Tensile strength: 15-20% higher than the standard
6. Certificate of Quality: ISO 9001, SGS, BV
7. Centreless grinding.
8. Good lubrication with excellent grease.
9. Color: Self, dark yellow, dark blue, black
| ISO ISO Chain No. | ANSI ANSI Chain NO. | Pith | Plate lacing | plate depth | Plate thickness | Pin diameter | Pin length | UItimate tensile strength | Average tensile strength | Weight per meter |
| P | h2 max | T max | d2 max | L max | Q min | Q0 | q | |||
| mm | mm | mm | mm | mm | kN/Ibf | kN | kg/m | |||
| LH0822 | BL422 | 12.700 | 2×2 | 12.07 | 2.08 | 5.09 | 11.05 | 22.2/5045 | 27.6 | 0.64 |
| LH0823 | BL423 | 2×3 | 13.16 | 22.2/5045 | 27.6 | 0.80 | ||||
| LH571 | BL434 | 3×4 | 17.40 | 33.4/7591 | 41.4 | 1.12 | ||||
| LH0844 | BL444 | 4×4 | 19.51 | 44.5/10114 | 56.0 | 1.28 | ||||
| LH0846 | BL446 | 4×6 | 23.75 | 44.5/10114 | 56.0 | 1.60 | ||||
| LH0866 | BL466 | 6×6 | 27.99 | 66.7/15159 | 81.7 | 1.92 | ||||
| LH 0571 | BL488 | 8×8 | 36.45 | 89.0/25717 | 109.4 | 2.56 | ||||
| LH1571 | BL522 | 15.875 | 2×2 | 15.09 | 2.44 | 5.96 | 12.90 | 33.4/7591 | 43.1 | 0.88 |
| LH1571 | BL523 | 2×3 | 15.37 | 33.4/7591 | 43.1 | 1.10 | ||||
| LH1034 | BL534 | 3×4 | 20.32 | 48.9/11114 | 65.6 | 1.50 | ||||
| LH1044 | BL544 | 4×4 | 22.78 | 66.7/15159 | 84.5 | 1.80 | ||||
| LH1046 | BL546 | 4×6 | 27.74 | 66.7/15159 | 84.5 | 2.20 | ||||
| LH1066 | BL566 | 6×6 | 32.69 | 100.1/22750 | 125.1 | 2.65 | ||||
| LH1088 | BL588 | 8×8 | 42.57 | 133.4/3 0571 | 169.5 | 3.50 | ||||
| LH1222 | BL622 | 19.050 | 2×2 | 18.11 | 3.30 | 7.94 | 17.37 | 48.9/11114 | 63.6 | 1.45 |
| LH1223 | BL623 | 2×3 | 20.73 | 48.9/11114 | 63.6 | 1.80 | ||||
| LH1234 | BL634 | 3×4 | 27.43 | 75.6/17181 | 102.8 | 2.50 | ||||
| LH1244 | BL644 | 4×4 | 30.78 | 97.9/22250 | 120.9 | 2.90 | ||||
| LH1246 | BL646 | 4×6 | 37.49 | 97.9/22250 | 120.9 | 3.60 | ||||
| LH1266 | BL666 | 6×6 | 44.20 | 146.8/33364 | 190.8 | 4.30 | ||||
| LH1288 | BL688 | 8×8 | 57.61 | 195.7/44477 | 238.8 | 5.80 | ||||
| LH1622 | BL822 | 25.4 | 2×2 | 24.13 | 4.09 | 9.54 | 21.34 | 84.5/19204 | 108.2 | 2.20 |
| LH1623 | BL823 | 2×3 | 25.48 | 84.5/19204 | 108.2 | 2.70 | ||||
| LH1634 | BL834 | 3×4 | 33.76 | 129.0/29318 | 170 | 3.80 | ||||
| LH1644 | BL844 | 4×4 | 37.90 | 169.0/38409 | 214.6 | 4.30 | ||||
| LH1646 | BL846 | 4×6 | 46.18 | 169.0/38409 | 214.6 | 5.40 | ||||
| LH1666 | BL866 | 6×6 | 54.46 | 253.6/57636 | 324.5 | 6.50 | ||||
| LH1688 | BL888 | 8×8 | 71.02 | 338.1/76841 | 432.7 | 8.60 |
Products are made of high quality alloy steel production. The plates are punched and squeezed bores by precision technology. The pin, bush, roller are machined by high-efficiency automatic equipment and automatic grinding equipment, then through heat treatment of carburization, carbon and nitrogen protection mesh belt furnace, surface blasting process etc. Assembled precision by Internal hole position, spin riveted by pressure to ensure the performance of the entire chain.
Specifications
| Technique Treatment | |||
| 1 | Shot Peening | 8 | Quenching |
| 2 | Bluing | 9 | Tempering |
| 3 | Phosphate | 10 | Oiling |
| 4 | Nickel-plated | 11 | Greasing |
| 5 | Zincing | 12 | Special color |
| 6 | Heat Treatment | 13 | Stain proofing |
| 7 | Carburizing | 14 | Pre-stretched and anti-fatigue |
Our Services
1. Any of your kind inquiry of chains would be replied within 24 hours.
2. Well-trained and experienced sales staffs will reply all your concerns in fluent English.
3. OEM services are available with us, our professional designer would make your private idea into being.
4. Protection of your sales area, ideas of design and all your private information.
5. Delivery by air mail or ship for your orders.
Why choose us
1. We are the manufacture.
2. We have near 30 years experience of making chains and chain links.
3. Our design team has extensive experience in the chain design.
4. Best service and prompt delivery.
5. We offer various styles, size and colors to meet your requirement.
6. We covering a production area of 18750 square CHINAMFG have more than 100 employees and we have a complete set of testing equipment to ensure our quality.
| Material: | Alloy/Carbon Steel |
|---|---|
| Structure: | Leaf Chain |
| Surface Treatment: | Polishing/Electroplating/Oxygenation |
| Chain Size: | Lh0822,Lh1023,Lh1234… |
| Feature: | Oil Resistant |
| Structure (for Chain): | Roller Chain |
| Customization: |
Available
| Customized Request |
|---|
What are the safety considerations when working with leaf chains?
Working with leaf chains involves several important safety considerations to ensure the well-being of personnel and the proper functioning of the lifting equipment. Here are some key safety considerations:
- Proper Installation: Leaf chains should be installed correctly according to the manufacturer’s guidelines and specifications. Improper installation can lead to chain failure and accidents.
- Regular Inspection: Regularly inspecting the leaf chains for signs of wear, damage, or misalignment is essential. Any issues should be addressed promptly to prevent potential hazards.
- Load Limits: Adhere to the load limits specified by the chain manufacturer. Overloading the leaf chain can result in excessive stress and may cause it to fail.
- Environmental Considerations: Consider the operating environment of the leaf chain, such as temperature, moisture, and chemical exposure. Some environments may require special chain coatings or materials for optimal performance and safety.
- Training and Certification: Operators and maintenance personnel should receive proper training in the safe use, inspection, and maintenance of leaf chains. Certification may be required for specific lifting operations.
- Chain Lubrication: Proper chain lubrication is essential to reduce friction, wear, and the risk of chain failure. Follow the manufacturer’s recommendations for lubrication frequency and type.
- Replacement of Worn Components: If any part of the leaf chain shows signs of wear or damage beyond acceptable limits, it should be replaced promptly with the appropriate spare part.
- Clear Communication: Maintain clear communication among all personnel involved in the lifting operation to ensure coordinated and safe movements.
- Emergency Procedures: Have clear emergency procedures in place in case of chain failure or accidents. This includes emergency stop controls and evacuation plans.
By following these safety considerations and adhering to industry standards and regulations, users can enhance the safety and reliability of working with leaf chains in lifting applications.
Remember that safety is paramount when working with any lifting equipment, and taking a proactive approach to safety can prevent accidents and injuries in the workplace.
Can leaf chains be used in loading dock equipment for material handling?
Yes, leaf chains can be used in loading dock equipment for material handling. Loading dock equipment, such as dock levelers and loading ramps, are essential for the efficient and safe loading and unloading of goods onto trucks or trailers.
Leaf chains are well-suited for these applications due to their high strength, durability, and ability to handle heavy loads. They are commonly used in scissor lift mechanisms, which are often integrated into loading dock equipment to provide adjustable height and smooth material transfer.
The advantages of using leaf chains in loading dock equipment include:
- High Load Capacity: Leaf chains are designed to handle heavy loads, making them ideal for supporting the weight of goods being transported on and off trucks.
- Reliability: In loading dock applications, reliability is crucial to ensure a smooth and efficient workflow. Leaf chains offer a dependable solution with minimal downtime.
- Shock Absorption: Loading dock equipment can experience dynamic forces and impacts during loading and unloading. Leaf chains have good shock absorption properties, reducing stress on the equipment and increasing its lifespan.
- Flexibility: Leaf chains can accommodate various configurations and are available in different sizes and specifications to fit different loading dock equipment designs.
- Easy Maintenance: Maintenance is simplified with leaf chains, allowing for quick inspection and replacement if needed, minimizing maintenance costs and downtime.
- Cost-Effective: Leaf chains provide a cost-effective solution for material handling in loading dock equipment, offering reliable performance at a reasonable price.
Overall, leaf chains are a practical and efficient choice for material handling in loading dock equipment. Their strength, reliability, shock absorption capabilities, flexibility, ease of maintenance, and cost-effectiveness make them well-suited for supporting the smooth and safe transfer of goods at loading docks.
editor by CX 2023-12-11