Leaf Chain – Common Information and facts and Variety

Leaf Chains are produced for high load, slow pace tension linkage applications. Usually they can be specifi ed for reciprocating motion lifting units this kind of as fork lifts or cranes. These chains are usually supplied to a specifi c length and are linked to a clevis block at each finish. The clevis may possibly accommodate male ends (within or occasionally known as “articulating” backlinks) or female ends (outdoors or even the hyperlinks on the pin link) as required (see illustration below)
Leaf chains can be found in three series; AL (light duty), BL (heavy duty), or LL (European common). For new selections we recommend the BL series in preference towards the AL series as the latter has been discontinued as a acknowledged ASME/ANSI standard series chain. BL series chains are developed in accordance with all the ASME/ANSI B29.8 American Leaf Chain Standard. LL series chains are made in accordance using the ISO 606 international leaf chain normal.
A chain with an even variety of pitches usually has a one particular male and one particular female finish. It can be extra frequent to get the chain possess an odd quantity of pitches through which case the each ends will probably be either male (most common) or female (much less com-mon). When ordering lengths with an odd quantity of pitches male ends are provided unless of course otherwise mentioned. Clevis pins, commonly with cotters at every single finish, are utilized to connect male chain ends to female clevis blocks. Chains with female ends tend to be (but not generally) linked to your clevis block using a cottered type connecting hyperlink. The connecting website link would be the female finish component in this case.
Leaf Chain Assortment
Make use of the following formula to verify the choice of leaf chain:
Minimum Greatest Strength > T x DF x SF
T: Calculated Maximum Chain Tension
DF: Duty Component
SF: Services Factor
Note that the optimum allowable chain pace for leaf chains is 100ft per minute.


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