Leaf Chain – Standard Details and Variety

Leaf Chains are produced for high load, slow pace tension linkage applications. Often they can be specifi ed for reciprocating motion lifting gadgets such as fork lifts or cranes. These chains are generally provided to a specifi c length and therefore are connected to a clevis block at just about every finish. The clevis may perhaps accommodate male ends (inside or occasionally referred to as “articulating” back links) or female ends (outdoors or the hyperlinks around the pin website link) as required (see illustration beneath)
Leaf chains can be found in three series; AL (light duty), BL (heavy duty), or LL (European conventional). For new selections we advocate the BL series in preference on the AL series because the latter is discontinued as being a recognized ASME/ANSI normal series chain. BL series chains are produced in accordance using the ASME/ANSI B29.8 American Leaf Chain Common. LL series chains are developed in accordance with all the ISO 606 worldwide leaf chain standard.
A chain with an even quantity of pitches always includes a a single male and a single female finish. It really is far more popular to have the chain possess an odd quantity of pitches during which case the both ends might be either male (most common) or female (significantly less com-mon). When ordering lengths with an odd quantity of pitches male ends are provided unless of course otherwise noted. Clevis pins, ordinarily with cotters at each and every finish, are utilised to connect male chain ends to female clevis blocks. Chains with female ends are sometimes (but not normally) connected on the clevis block having a cottered type connecting website link. The connecting link would be the female finish component in this instance.
Leaf Chain Selection
Make use of the following formula to confirm the selection of leaf chain:
Minimum Greatest Strength > T x DF x SF
T: Calculated Maximum Chain Tension
DF: Duty Factor
SF: Support Component
Note the greatest allowable chain speed for leaf chains is 100ft per minute.


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