Complete Mainshaft Assembly For SYMONS SPRING CONE CRUSHER The spring safety system of Symons cone crusher is an overload protection device, which can make metal foreign matters pass through the crushing chamber without harming the machine. The dry oil sealing form is adopted to isolate the stone powder from the lubricating oil and ensure reliable operation. It can be widely used in metal and non-metal mines, cement plants, construction, sandstone metallurgy and other industries Nonferrous metal ores, granite, limestone, quartzite, sandstone, cobbles, etc. Advantage: (1)Each type of Symons cone crusher has a various crushing cavity, so the user can choose crushers with different crushing cavity for better meeting their different needs. (2)Symons cone crusher has advantages of large crushing ratio, high efficiency, high capacity, low operation cost, easy to adjust, economic and other characteristics. (3)Due to the better materials sele…