Q43-160 Alligator Shear are applicable to metal recycling and processing plants, scrap car dismantling yards, smelting and casting industries. They can cut all kinds of section steel and metal structural parts in cold state and process them into qualified furnace charge. The crocodile shears are composed of a shearing cylinder, a shearing knife, a sliding block pressing knife, a lower knife seat, a pressing cylinder, etc. during the shearing operation, the hydraulic pump station (power output source) supplies oil to the pressing cylinder so that the sliding block pressing knife is pushed onto the lower knife seat to complete the fixation and compaction of materials, and then the hydraulic pump station supplies oil to the shearing cylinder so that the shearing knife moves down to complete the shearing step.