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LL Leaf Chain LL

Product catalog summary

Overview of LL Type Leaf Chains
LL type leaf chains are constructed with link plates that match the contour and thickness of the pin link plate of BS standard roller chains with the same pitch. The chain's identification system uses the first number to denote the chain pitch and the last two numbers to indicate the chain's lacing pattern.

Specifications

Chain Pitch: The pitch is the distance between the centers of two consecutive pins in the chain.
Lacing: The lacing pattern is represented by the last two numbers in the chain's identification, indicating the arrangement of the plates.

Dimensions and Strength

The document provides a detailed table listing various chain models, their dimensions, average tensile strength, and average chain weight.
Key dimensions include pitch (P), pin plate hole diameter (D), length, height, thickness (T), and spacing (S).
Average tensile strength and chain weight are provided in kilonewtons (KN) and kilograms per meter (kg/m), respectively.

Data Summary

Chains are categorized by their lacing patterns such as 2x2, 4x4, and 6x6, with increasing dimensions and strength as the lacing complexity increases.
For example, the SY LL0822 chain with a 2x2 lacing has a pitch of 12.70 mm, a tensile strength of 17.80 KN, and a weight of 0.31 kg/m.
In contrast, the SY LL2866 chain with a 6x6 lacing has a pitch of 44.45 mm, a tensile strength of 600.00 KN, and a weight of 15.71 kg/m.

Applications

These chains are suitable for applications requiring high tensile strength and durability.
Commonly used in heavy machinery and industrial settings where robust chain performance is critical.

Catalog excerpts

LL Leaf Chain BS | Single Pitch | Miscellaneous | LL “LL” type leaf chains consist of link plates of the same contour and thickness as the pin link plate of BS standard roller chain with the same pitch. The first number in the leaf chains identifies the chain pitch, and the last two numbers identify the chain's lacing. Average Tensile Strength

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LL Leaf Chain LL

LL Leaf Chain LL

Catalog excerpts

All Sugiyama Chain Co., Ltd. catalogs and technical brochures