LL1622 Series Leaf Chain for Manual Hydraulic Forklifts and Small Tonnage Diesel Forklifts

Introducing the LL Series Leaf Chain

LL series plate chains are industrial chains crafted to withstand significant pulling forces. They are most commonly utilised in lifting equipment, forklift lifting mechanisms, and other applications that require linear motion. These chains typically consist of a series of plate-shaped links, or blades, interconnected by pins.

Function and Significance of LL Series Leaf Chain

The LL Series Leaf Chain is designed to deliver superior strength and durability. Its robust construction ensures it can sustain heavy loads, making it an essential component in numerous industrial applications. It is particularly crucial in forklifts, where it aids in the lifting and transporting of heavy goods.

Product Specifications

The LL Series Leaf Chain carries various technical parameters such as dimensions, capacity, load-bearing ability, and more. The detailed specifications are illustrated 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

Unique Features and Advantages

• • Plate-shaped link design: The unique plate-shaped design allows for high load-bearing capacity and affords improved resistance against wear and tear.
  • High-strength materials: The chains are constructed from high-strength materials, ensuring longevity and durability.
  • Customisable length: The length of the chain can be customised to meet the specific needs of the application.

• Simple maintenance: The chain requires minimal maintenance, reducing downtime and enhancing operational efficiency.
• Precise motion control: The chains provide accurate linear motion, facilitating precise control in various applications.

Working Principle and Application of the LL Series Leaf Chain

What is the surface treatment method of the LL Series Leaf Chain

Surface treatment methods for LL series leaf chains usually involve a combination of processes to enhance corrosion resistance, wear resistance and overall durability. Some common surface treatments include:Electroplating: Electroplating is the process of electrodepositing a layer of metal on the surface of a chain. Commonly used metals for electroplating include zinc, nickel and chromium. Electroplating provides a corrosion-resistant barrier and improves the chain's aesthetics.Painting or Chromating: Painting or chromating involves applying a protective coating to the surface of the chain. Paint is typically made from durable, weather-resistant materials that protect against corrosion and wear. Chromate treatment is a chemical treatment that provides a decorative finish to the chain while also providing some corrosion resistance.Physical Vapor Deposition (PVD): PVD is a vacuum process that deposits a thin film of corrosion-resistant material on the surface of the chain. Commonly used materials for PVD coatings include titanium nitride (TiN) and zirconium nitride (ZrN). These coatings provide excellent wear and corrosion resistance, which can significantly extend the life of the chain.Heat Treatment: Heat treatment involves heating the chain to change its material properties. It increases the chain's hardness, tensile strength and fatigue resistance, thereby enhancing its performance and durability.

How to choose the pitch of the LL Series Leaf Chain

Choosing the pitch of an LL Series leaf chain is an important decision that can significantly affect the performance and operation of the chain in the application. Pitch refers to the distance between consecutive chain links, usually measured in inches or millimeters. There are some factors to consider when selecting the pitch of LL series leaf chain:Application requirements: The pitch of the chain should be selected according to the specific application requirements. For example, if you require a high-speed chain with low noise and vibration levels, a smaller pitch may be preferred. On the other hand, if you need a chain that can handle heavier loads, a larger pitch may be more appropriate.Load Capacity: The pitch of a chain affects its load capacity. A smaller pitch provides greater strength and support under heavy loads, while a larger pitch may be better suited for lighter loads. Consider the maximum expected load on the chain when making your choice.Chain Length: The length of the chain also affects the pitch selection. Shorter chains typically require smaller pitches to maintain proper tension and alignment, while longer chains may require larger pitches to prevent excessive sag or bending.Space limitations: The space available for chain installation should be considered when selecting pitch. Smaller pitches may require more chain wraps or smaller bend radii, which may not be feasible in limited space. Conversely, a larger pitch allows for more flexible mounting and less chain tangles.Manufacturer's Recommendations: Finally, refer to the manufacturer's recommendations for selecting the appropriate pitch for your LL Series Leaf Chain. Manufacturers can provide guidance based on their product experience and knowledge, taking into account various factors such as material properties, loading conditions and chain dynamics. 

About Raydafon

Raydafon holds a leading position in the Chinese Leaf chain market. Our product range includes the LL Series Leaf Chain, AL Series Leaf Chain, BL series leaf chain, agricultural chain, conveyor chain, and drive chain. We are equipped with a variety of fully automatic CNC production equipment and fully automatic assembly equipment.

Choose Raydafon for Quality and Service

At Raydafon, we pride ourselves on offering top-quality products at competitive prices. With our excellent customer service, we welcome clients to provide custom designs for production. Choose Raydafon for all your leaf chain needs and experience the difference in quality and service.