AL 544 Leaf Chains for Forklifts and Material Handling

About AL Series Leaf Chains

The AL Series leaf chains, which are the first series of ANSI leaf chains, are still widely used in various lifting applications today. Their compact, high-strength design saves space while providing powerful lifting capabilities. These chains are produced according to ANSI leaf chain specification dimensions, and they are considered the modern-day "lighter" duty of leaf chains.

Usage and Importance of AL Series Leaf Chains

The AL Series leaf chains play a vital role in the material handling industry, particularly in forklifts. Their robust and space-saving design makes them an integral part of these machines, ensuring efficient and seamless operations.

Technical Specifications

Chain Size	Lacing	Pitch (P)	Min. Tensile Strength	Weight (Per Ft)	Pin Diameter (D)	Pin Length (L)	Plate Height	Plate Thickness (T)
AL322	2X2	0.375"	2,045 lbs	0.2 lbs	0.141"	0.27"	0.30"	0.051"
AL344	4X4	0.375"	4,090 lbs	0.3 lbs	0.141"	0.46"	0.30"	0.051"
AL422	2X2	0.500"	3,205 lbs	0.3 lbs	0.156"	0.33"	0.41"	0.059"
AL444	4X4	0.500"	6,409 lbs	0.5 lbs	0.156"	0.57"	0.41"	0.059"
AL466	6X6	0.500"	9,614 lbs	0.8 lbs	0.156"	0.81"	0.41"	0.059"
AL522	2X2	0.625"	5,000 lbs	0.4 lbs	0.200"	0.44"	0.50"	0.080"
AL534	3X4	0.625"	7,500 lbs	0.7 lbs	0.200"	0.67"	0.50"	0.080"
AL544	4X4	0.625"	10,000 lbs	0.8 lbs	0.200"	0.76"	0.50"	0.080"
AL566	6X6	0.625"	15,000 lbs	1.2 lbs	0.200"	1.08"	0.50"	0.080"
AL622	2X2	0.750"	8,409 lbs	0.6 lbs	0.234"	0.51"	0.61"	0.095"
AL644	4X4	0.750"	14,450 lbs	1.2 lbs	0.234"	0.89"	0.61"	0.095"
AL666	6X6	0.750"	22,750 lbs	1.8 lbs	0.234"	1.27"	0.61"	0.095"
AL688	8X8	0.750"	30,317 lbs	2.4 lbs	0.234"	1.66"	0.61"	0.095"
AL822	2X2	1.000"	12,886 lbs	1.0 lbs	0.312"	0.63"	0.81"	0.128"
AL844	4X4	1.000"	25,773 lbs	2.0 lbs	0.312"	1.16"	0.81"	0.128"
AL866	6X6	1.000"	38,636 lbs	3.0 lbs	0.312"	1.74"	0.81"	0.128"
AL1022	2X2	1.250"	20,114 lbs	1.6 lbs	0.375"	0.77"	1.01"	0.157"
AL1044	4X4	1.250"	40,227 lbs	3.1 lbs	0.375"	1.43"	1.01"	0.157"
AL1066	6X6	1.250"	60,227 lbs	4.8 lbs	0.375"	2.06"	1.01"	0.157"
AL1088	8X8	1.250"	80,454 lbs	6.7 lbs	0.375"	2.70"	1.01"	0.157"
AL1222	2X2	1.500"	28,864 lbs	2.5 lbs	0.437"	0.96"	1.20"	0.189"
AL1244	4X4	1.500"	57,727 lbs	4.7 lbs	0.437"	1.72"	1.20"	0.189"
AL1266	6X6	1.500"	86,591 lbs	7.1 lbs	0.437"	2.49"	1.20"	0.189"
AL1288	8X8	1.500"	115,450 lbs	9.4 lbs	0.437"	3.25"	1.20"	0.189"
AL1444	4X4	1.750"	84,705 lbs	7.0 lbs	0.498"	2.02"	1.43"	0.220"
AL1466	6X6	1.750"	127,045 lbs	10.2 lbs	0.498"	2.94"	1.43"	0.220"
AL1644	4X4	2.000"	107,045 lbs	8.7 lbs	0.559"	2.28"	1.64"	0.252"
AL1666	6X6	2.000"	160,454 lbs	13.3 lbs	0.559"	3.30"	1.64"	0.252"
AL1688	8X8	2.000"	214,090 lbs	17.1 lbs	0.559"	4.31"	1.64"	0.252"

Unique Features and Advantages

• • Lightweight: Despite their high strength, these chains are relatively light, making them easy to install and handle.
  • High Strength: The high-strength hardened pins, heat-treated plates, and shot-peened components ensure the chain's robustness and durability.

• Corrosion Resistance: These chains are designed to withstand harsh environmental conditions, making them resistant to corrosion and wear.
• Compact Design: Their compact design makes them ideal for space-constrained applications.
• Easy Maintenance: The chains are pre-stressed at the factory to reduce initial installation stretching, making them easy to maintain.

Hydraulic System and Working Principle

The AL Series leaf chains work on the principle of high-strength lifting. The hydraulic system generates force that is transmitted through the chains, enabling efficient material handling and lifting.

Application Scenarios

The correct way to maintain the AL series leaf chain

1. Regular inspection: The links, bearings, chains, and other parts of the AL series leaf chain should be inspected regularly to ensure that they are intact and without serious wear or deformation.2. Cleaning: The AL series leaf chain should be cleaned regularly to remove dust, dirt, and other impurities to maintain the stability of its appearance and performance.3. Lubrication: The bearings and chains of the AL series leaf chain should be lubricated regularly to reduce friction and wear and extend its service life.4. Fastening: The bolts, nuts and other fasteners of the AL series leaf chain should be regularly checked and tightened to ensure that they are firm and reliable and prevent them from loosening or falling off.5. Storage: When the AL series leaf chain is not used for a long time, it should be stored in a dry and ventilated place, away from moisture, rain, and direct sunlight.6. Usage: When using the AL series leaf chain, it should be operated by the prescribed operating procedures to avoid overloading or overloading to avoid damage or safety accidents.7. Maintenance: If the AL series leaf chain is found to be faulty or damaged, it should be repaired or replaced in time to ensure its normal operation and safe use.

The manufacturing process of the AL series leaf chain usually includes the following links:

1. Raw material preparation: This link involves purchasing and storing raw materials, such as aluminum ingots, steel or stainless steel, etc. The quality of raw materials directly affects the performance of the final product, so quality control of raw materials is crucial.2. Smelting and casting: Smelting is heating raw materials to a molten state to form molten aluminum. Casting involves pouring molten aluminum into a mold and cooling it to form a preliminary casting. This link is the basis for manufacturing the AL Leaf chain, ensuring the basic shape and size of the product.3. Heat treatment: The heat treatment link is to heat or cool the preliminary casting to change its internal structure and performance. Heat treatment can improve the strength, hardness, wear resistance, corrosion resistance, and other properties of the material, laying a solid foundation for subsequent processing.4. Cutting and bending: Cutting is to cut the preliminary castings after casting according to the required specifications so that they can meet the requirements of subsequent processing. Bending is the bending process of castings to form the desired shape and angle. This link is a key step in manufacturing the AL Leaf chain, and it is necessary to ensure that the size and shape of each link meet the requirements.5. Surface treatment: The surface treatment process involves painting, spraying, electroplating and other treatments on the product to improve the aesthetics and corrosion resistance of the product. This link has a greater impact on the quality and appearance of the product and requires strict quality control.6. Assembly and inspection: Assembly is to assemble the processed chain links and other accessories to form a complete AL Leaf chain. Inspection is the quality inspection of assembled products to ensure that their performance and appearance meet requirements. This link is the last step in manufacturing the AL Leaf chain and is also an important link in quality control.

About Raydafon

Raydafon holds a leading position in the Chinese Leaf chain market, with a diverse product range that includes AL Series Leaf Chain, BL series leaf chain, agricultural chain, conveyor chain, and drive chain. With advanced CNC manufacturing and automatic assembly equipment, Raydafon guarantees top-quality products at competitive prices.

Contact Us

If you're interested in our products or require custom leaf chains, feel free to reach out to us. We provide excellent service, quality products, and competitive prices. We also offer customized solutions based on your specifications.