... multi-purpose oil hydraulic presse: four column oil hydraulic presse single step,four column oil hydraulic presse teo positons, upright oil hydraulic press and ... ton, five-ton, ten-ton and so on. 2 .This machine be used to presse the rotor axis, the motorcover bearing ... rivet,motor coat package and working procedures. 3 .This machine uses both hands to start, electro-optical protection, stable ...