Jaw Crusher Working Principle - 911 MetallurgistSep 20, 2017 . Heavy duty crushing applications of hard-to-break, high Work Index rocks do prefer double-toggle jaw crushers as they are heavier in fabrication. A double-toggle jaw crusher outweighs the single-toggle by a factor of 2X and well as cost more in capital for the same duty. To perform its trade-off evaluation,.jaw crusher how does it work,How does a Jaw Crusher Work - Mineral ProcessingMar 5, 2013 . LIKE, SHARE & Subscribe.. The distinctive feature of this class of crusher is the two plates which open and shut like animal jaws (Grieco and Grieco, 1985). .