LL4066 Series Leaf Chain for Manual Hydraulic Forklifts and Small Tonnage Diesel Forklifts

The LL4066 Series Leaf Chain, or the LL series plate chains, are industrial-grade chains that are purposefully designed to withstand large pulling forces. These chains are most commonly used in lifting equipment, forklift lifting mechanisms, and a variety of other applications that require linear motion. The LL series chains are typically made up of a series of plate-shaped links (blades) that are connected by pins.

Key Features and Advantages

• Plate Chain Design: The LL series chains are characterized by their unique plate-shaped links that provide excellent strength and durability.
• High-Strength Material: The chains are made with high-strength materials that can withstand large pulling forces, making them ideal for heavy-duty applications.
• Customizable Length: The length of the chains can be customized to meet specific application requirements.
• High Load Capacity: The chains have a high load capacity, making them suitable for lifting heavy loads.
• Easy Maintenance: The design of the chains makes them easy to maintain, contributing to longer service life.
• Precise Motion Control: The chains provide precise linear motion control, ensuring accurate and reliable operation.

Working Principle and Applications

Product Details and Specifications

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

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.

Environmental protection and sustainable development of LL series plate chain

To ensure the environmental protection and sustainable development of the LL Series Leaf Chain, several key strategies can be implemented:Select sustainable materials: Choose materials that are environmentally friendly and have a low impact on the???? resources. Look for materials that are recyclable, durable, and require minimal processing. Avoid materials that contain harmful toxins or have high embodied energy, which refers to the energy required to produce and transport the material.Minimize waste: Implement efficient production methods to reduce waste during the manufacturing process. Consider using lean manufacturing techniques to optimize material usage and minimize scrap. Also, ensure that any waste generated is properly disposed of or recycled.Design for durability and longevity: Engineer the LL Series Leaf Chain to have a long service life, reducing the need for frequent replacements. This will minimize the environmental impact of frequent production and disposal of replacement parts.Promote reuse and recycling: Make it easy for customers to return, reuse, or recycle the LL Series Leaf Chain at the end of its lifespan. Provide take-back programs or recycling options to ensure that the chain is disposed of properly and does not become a long-term environmental hazard.Evaluate environmental impacts: Conduct life cycle assessments (LCAs) to understand the full environmental impact of the LL Series Leaf Chain, from raw material extraction to end-of-life disposal. Use this information to identify areas where improvements can be made to reduce environmental impacts.Educate customers and promote sustainable practices: Provide education and training to customers on how to use and maintain the LL Series Leaf Chain sustainably. Encourage best practices for reducing environmental impact, such as regular maintenance, using sustainable lubricants, and proper disposal of worn or damaged parts.

About Raydafon

Raydafon is a leader in the Leaf chain market in China, offering a wide range of products that include the LL Series Leaf Chain, AL Series Leaf Chain, BL series leaf chain, agricultural chain, conveyor chain, and drive chain. The company is equipped with a variety of fully automatic CNC production equipment and fully automatic assembly equipment, ensuring the quality and reliability of its products.

Customized Solutions

At Raydafon, we welcome customers to provide their specific requirements for customized solutions. Our team of experts will work closely with you to design and manufacture Leaf chains that meet your exact needs.