Peppie Posted December 10, 2018 Share Posted December 10, 2018 I can get 16 tons with a single 4" bore cylinder. What would the tonage be with 2 , 4" bore cylinders? Would I need to double my pump and motor? Quote Link to comment Share on other sites More sharing options...
BeaverNZ Posted December 14, 2018 Share Posted December 14, 2018 The tonage developed by a hyd ram is directly related to piston area and the pressure deleveloped, If you use two 4 inch rams at the same pressure as one then you will double the force developed but you will half the speed they will travel at. For the same tonnage at the same speed with two 4 inch rams you need half the pressure but you need to pump twice as much oil so a larger pump but not nessesarilly bigger motor req and the down side to this can be you need bigger hoses and valves to cope with the incressed flow Quote Link to comment Share on other sites More sharing options...
Peppie Posted December 14, 2018 Author Share Posted December 14, 2018 TY you BeaverNZ. The book I have did not cover two ram presses. Quote Link to comment Share on other sites More sharing options...
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