LL1222 Series Leaf Chain for Manual Hydraulic Forklifts and Small Tonnage Diesel Forklifts

Introduction to LL Series Leaf Chain

The LL Series Leaf Chain is an industrial strength chain, specifically designed to withstand large pulling forces. It is commonly used in lifting equipment, forklift lifting mechanisms, and other applications requiring linear motion. This chain is composed of a series of plate-shaped links, also known as blades, connected by pins.

Features and Advantages

• • Plate-shaped link design for superior strength
  • High-strength material construction

• Customizable lengths to fit specific needs
• High load-bearing capacity
• Simple maintenance requirements
• Precision motion control

Technical Specifications

The precise technical specifications of the LL Series Leaf Chain, such as dimensions, capacity, load-bearing ability, and others will be detailed in the table below.

Chain No.	Pitch		Plates Lacing	Thickness of Plate	?Inside plate hole dia.	?Pin dia.	?Plate depth	?Pin overall length	?Ultimate tensile strength	?Weight approx.
	P	P		bO(max)	d1(min)	d2(max)	h2(max)	b(max)	Q	q
	in	mm		mm	mm	mm	mm	mm	kN	kg/m
LL0822	1/2"	12.70	2X2	1.55	4.46	4.45	10.92	8.50	18	0.48
LL0844			4X4					14.60	36	0.98
LL0866			6X6					20.70	54	1.44
LL1022	5/8"	15.875	2X2	1.65	5.09	5.08	13.72	9.30	22	0.50
LL1044			4X4					16.10	44	0.94
LL1066			6X6					22.90	66	1.40
LL1222	3/4"	19.05	2X2	1.90	5.73	5.72	16.13	10.70	29	0.70
LL1244			4X4					18.50	58	1.30
LL1266			6X6					26.30	87	2.00
LL1622	1"	25.40	2X2	3.20	8.30	8.28	21.08	17.20	60	1.60
LL1644			4X4					30.20	120	2.90
LL1666			6X6					43.20	180	4.30
LL2022	1.1/4"	31.75	2X2	3.70	10.21	10.19	26.42	20.10	95	2.30
LL2044			4X4					35.10	190	4.20
LL2066			6X6					50.10	285	6.30
LL2422	1.1/2"	38.10	2X2	5.20	14.65	14.63	33.40	28.40	170	4.60
LL2444			4X4					49.40	340	8.20
LL2466			6X6					70.40	510	12.00
LL2822	1.3/4"	44.45	2X2	6.45	15.92	15.90	37.08	34.00	200	4.80
LL2844			4X4					60.00	400	9.50
LL2866			6X6					86.00	600	15.50
LL3222	2"	50.80	2X2	6.45	17.83	17.81	42.29	35.00	260	6.20
LL3244			4X4					61.00	520	11.90
LL3266			6X6					87.00	780	17.80
LL4022	2.1/2"	63.50	2X2	8.25	22.91	22.89	52.96	44.70	360	11.53
LL4044			4X4					77.90	720	22.49
LL4066			6X6					111.10	1080	33.48
LL4822	3"	76.20	2X2	10.30	29.26	29.24	63.88	56.10	560	17.31
LL4844			4X4					97.40	1120	33.61
LL4866			6X6					138.90	1680	49.91

LL Series Leaf Chain Applications

This leaf chain has numerous applications...

The manufacturing process of LL series plate chain

The manufacturing process of LL Series leaf chain typically involves several consecutive steps to create the desired link pattern and ensure its structural integrity. Here is a general overview of the manufacturing process:Raw Material Selection: The first step in the manufacturing process is selecting the right raw material for the chain. These materials can include steel, stainless steel or other alloys, depending on the properties required such as strength, corrosion resistance and cost.Cutting and punching: The raw material is then cut and punched to form individual links. This step involves precision cutting and stamping operations using dies and punches to shape the links to the required specifications.Link assembly: The individual links are then assembled into the desired pattern to form the LL series leaf chain. This step may involve welding, riveting, or other joining methods to securely join the links and maintain their structural integrity.Surface Treatment: After assembly, the chain undergoes a surface treatment process to enhance its corrosion resistance, wear resistance and overall durability. This may involve electroplating, painting, chromating, physical vapor deposition (PVD) or heat treatment, depending on the desired surface properties.Quality Control: Finished chains undergo stringent quality control inspections to ensure they meet specified standards and tolerances. This includes defect inspection, dimensional accuracy and testing to ensure it meets the required performance standards.Packaging and Shipping: Finally, the LL Series Leaf Chain is ready for packaging and shipping. It can be individually boxed, palletized, or shrink-wrapped for protection during shipping and storage. Packaging should be designed to prevent damage and ensure safe delivery to the customer.

Precautions for installation and maintenance of LL series plate chain

Installation and maintenance of LL Series leaf chains involves considerations necessary to ensure their safe and effective performance. Here are some key points to remember:Install:Prepare the installation area: Make sure the installation area is clean and free of debris to prevent damage to the chain during installation.Follow Manufacturer's Instructions: Carefully read and follow the manufacturer's installation instructions to ensure the chain is installed correctly. This includes using proper fasteners, connecting hardware and torque specifications.Inspect the chain: Before installation, inspect the chain for any damage or defects that may affect its performance.Mounting and securing: Follow the manufacturer's guidelines to securely mount the chain to an appropriate bracket or accessory. Make sure all links are properly aligned and connected.Check the tension: Adjust the chain to the desired tension, making sure it is neither too tight nor too loose. Tensioning should be gradual and even to avoid putting stress on the chain or its components.maintain:Periodic Inspections: Periodically inspect your LL Series Leaf Chain for signs of wear, damage or corrosion. Look for any broken or worn links, rust spots, or other signs of deterioration.Lubrication: Apply a suitable lubricant to the chain to reduce friction and extend its service life. Apply lubricant only to the inside surfaces of the links and avoid applying it to any moving parts to prevent sticking or sticking.Cleaning: Clean the chain regularly to remove dirt, debris and other foreign matter that may have accumulated on its surface. Use a soft brush or cloth to gently clean the chain, avoiding contact with abrasive cleaners that may damage the surface finish.Replace Parts: If you discover any worn or damaged parts during inspection, such as broken links or frayed cables, replace them immediately to maintain the integrity and performance of your chain.Storage: If the LL series plate chain will not be used for a long time, please store it in a dry, well-ventilated place to prevent corrosion and ensure its service life.

How the environment affects leaf chains

The environment can have a significant impact on the performance and longevity of the LL Series Leaf Chain. Here are some key factors to consider:Temperature: Extreme temperatures can affect the materials used in the leaf chain, causing them to expand or contract, which can lead to premature wear or failure. High temperatures can also accelerate the process of oxidation, or rusting, in metal components.Humidity and Moisture: High levels of humidity or exposure to water can promote corrosion and rusting of the leaf chain's metal components. This is especially true if the chain is stored in a damp or damp environment or if it's exposed to saltwater or other corrosive substances.Chemical Exposure: Chemicals and pollutants in the environment can hurt the leaf chain. They can corrode or degrade the materials, leading to premature wear and failure.UV Exposure: Exposure to ultraviolet (UV) light from the sun can cause damage to the leaf chain's surface finish, leading to fading and cracking over time.Mechanical Stress: The environment can also contribute to mechanical stress on the leaf chain. For example, vibrations, impacts, or other external forces can cause premature wear or damage to the chain.

About Raydafon

Raydafon is a leading manufacturer of Leaf chains in China. Our products include the LL Series Leaf Chain, AL Series Leaf Chain, BL series leaf chain, agricultural chain, conveyor chain, drive chain, and more. We utilize fully automated CNC production equipment, as well as fully automated assembly equipment. We welcome custom orders based on diagrams or samples.