Leaf Chains are produced for large load, slow pace tension linkage applications. Generally they are really specifi ed for reciprocating motion lifting products such as fork lifts or cranes. These chains are generally provided to a specifi c length and therefore are linked to a clevis block at each finish. The clevis might accommodate male ends (within or sometimes identified as “articulating” back links) or female ends (outside or the links to the pin website link) as expected (see illustration under)
Leaf chains can be found in three series; AL (light duty), BL (heavy duty), or LL (European normal). For new selections we advocate the BL series in preference towards the AL series because the latter is discontinued being a acknowledged ASME/ANSI standard series chain. BL series chains are developed in accordance with the ASME/ANSI B29.eight American Leaf Chain Conventional. LL series chains are developed in accordance with the ISO 606 global leaf chain common.
A chain with an even amount of pitches always includes a one particular male and a single female end. It can be much more frequent to get the chain possess an odd quantity of pitches during which case the each ends will be both male (most typical) or female (much less com-mon). When ordering lengths with an odd amount of pitches male ends are provided unless of course otherwise mentioned. Clevis pins, generally with cotters at every end, are utilised to connect male chain ends to female clevis blocks. Chains with female ends are frequently (but not normally) connected towards the clevis block using a cottered form connecting hyperlink. The connecting link may be the female finish component in this instance.
Leaf Chain Choice
Use the following formula to confirm the selection of leaf chain:
Minimum Ultimate Strength > T x DF x SF
T: Calculated Greatest Chain Stress
DF: Duty Component
SF: Services Issue
Note the greatest allowable chain speed for leaf chains is 100ft per minute.


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