Oct 13, 2018· The toggle link is modelled as the rockerO4O1, which oscillates about the fixed axis at O1 . The fixed jaw is considered to be an integral part of the frame of the machine. 9. Table 1- Data for a PE 400 by 600 single toggle jaw crusher (mm). 10. Fig. 2- Model for static force analysis of the single toggle jaw crusher. 11.