Spring cone crushers is a classic laminated crusher, next we will list the advantage and disadvantages below one by one. - Cone crusher is usually used as secondary crusher or three-stage crusher machine. Cone crushing machine further broke the stone to below 10 cm. - The cone crusher adopts the extrusion p The key factor of Jaw Crusher Nov 24, 2018 Harmonics are most important factors in decreasing quality of energy in the electrical system. In industrial plants, existence of harmocins and voltage drop, causes serious problems both in plant and network. This problem affects the cost. In this study, a power quality measurements are carried out in stone crusher plant.