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.
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| Material: | Alloy/Carbon Steel |
|---|---|
| Structure: | Leaf Chain |
| Surface Treatment: | Polishing/Electroplating/Oxygenation |
| Chain Size: | Lh1046 |
| Feature: | Oil Resistant |
| Structure (for Chain): | Roller Chain |
| Samples: |
US$ 15/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
How do leaf chains perform in high-speed lifting operations?
Leaf chains are generally not recommended for high-speed lifting operations due to their design and construction. While leaf chains excel in heavy-duty and slow-speed applications, they may encounter challenges when used in high-speed lifting scenarios. Here are some factors to consider:
- Flexibility: Leaf chains consist of interconnected links with little flexibility between them. At high speeds, this lack of flexibility can lead to increased vibration and stress on the chain, potentially causing premature wear and fatigue.
- Dynamic Loading: High-speed lifting involves rapid changes in load and direction. Leaf chains may not handle dynamic loading as well as other chain types, which could compromise the safety and reliability of the lifting operation.
- Wear and Heat: The higher the speed, the more friction and heat are generated within the chain. This can accelerate wear and reduce the chain’s lifespan, leading to more frequent maintenance and replacement.
- Alternate Options: For high-speed lifting applications, roller chains or other types of high-speed lifting chains are more commonly used. Roller chains have better flexibility and are specifically designed to handle dynamic loading and high-speed operations.
It’s essential to carefully consider the specific requirements of the lifting operation and consult with chain manufacturers or lifting equipment experts to choose the most appropriate chain type. While leaf chains are reliable and robust for many lifting tasks, high-speed lifting is one area where alternative chain types may be more suitable for optimal performance and safety.
Can leaf chains be used in aircraft maintenance and repair operations?
Yes, leaf chains can be used in aircraft maintenance and repair operations. These chains are versatile and find applications in various industries, including aerospace.
Here’s why leaf chains are suitable for aircraft maintenance and repair:
- Strength and Reliability: Aircraft maintenance involves lifting and supporting heavy components, such as engines and landing gear. Leaf chains are known for their high tensile strength and reliability, making them capable of handling the demanding loads in aviation.
- Precision and Stability: In aircraft maintenance, precision is crucial to ensure safety and accuracy. Leaf chains offer stability and consistent performance, which are essential when performing delicate tasks on aircraft.
- Smooth Operation: Leaf chains have a smooth surface finish, minimizing friction during lifting operations. This feature is beneficial when maneuvering aircraft parts with care.
- Corrosion Resistance: Some aircraft maintenance operations might involve exposure to environmental factors or chemicals. Leaf chains can be treated with protective coatings or made from corrosion-resistant materials to withstand such conditions.
- Space Constraints: Aircraft maintenance areas often have limited space, and leaf chains can be designed in compact sizes, making them suitable for such confined environments.
It’s important to ensure that the leaf chains used in aircraft maintenance comply with relevant industry standards and safety regulations. Regular maintenance and inspections are also essential to keep the chains in optimal condition.
In conclusion, leaf chains can be a reliable choice for aircraft maintenance and repair operations, contributing to the efficiency and safety of the maintenance processes.
editor by CX 2024-05-02