Leaf Chain – General Data and Assortment

Leaf Chains are created for higher load, slow velocity stress linkage applications. Frequently they are really specifi ed for reciprocating motion lifting devices such as fork lifts or cranes. These chains are normally provided to a specifi c length and therefore are connected to a clevis block at each end. The clevis may well accommodate male ends (inside or in some cases known as “articulating” back links) or female ends (outside or the backlinks within the pin website link) as demanded (see illustration under)
Leaf chains can be found in 3 series; AL (light duty), BL (hefty duty), or LL (European common). For new choices we suggest the BL series in preference on the AL series because the latter has become discontinued being a acknowledged ASME/ANSI typical series chain. BL series chains are created in accordance together with the ASME/ANSI B29.8 American Leaf Chain Standard. LL series chains are generated in accordance together with the ISO 606 international leaf chain conventional.
A chain with an even amount of pitches always has a one particular male and one particular female finish. It really is extra frequent to possess the chain possess an odd amount of pitches during which situation the each ends might be either male (most typical) or female (significantly less com-mon). When ordering lengths with an odd amount of pitches male ends are supplied unless otherwise mentioned. Clevis pins, ordinarily with cotters at each and every finish, are employed to connect male chain ends to female clevis blocks. Chains with female ends are frequently (but not generally) connected for the clevis block using a cottered variety connecting website link. The connecting website link will be the female finish part in this case.
Leaf Chain Variety
Make use of the following formula to verify the selection of leaf chain:
Minimum Ultimate Strength > T x DF x SF
T: Calculated Optimum Chain Stress
DF: Duty Component
SF: Support Element
Note the greatest allowable chain speed for leaf chains is 100ft per minute.