Kenon Rain. Posted February 3, 2020 Share Posted February 3, 2020 Hey all, I'm going to build a press. for the time being I am limited to 110v for power, so its going to need to be designed around that. I've seen and like the coal ironworks 16ton press and want to build something similar. I am a fabricator w access to equiptment and steel so the build part will be easy. I want to over build it so that I can upgrade it later into a heavier tonnage if i decide to. my question is how the hell do I figure out what pump/ram combo will run alright on a 2hp 110 motor?? I think maybe running a 1750rpm motor w an 11gpm dual stage pump basically at half speed with a 4" ram would get me in the ball park but thats my best idea. In the future ill swap to a big motor and probably run a single stage pump so im pretty much just going to build the frame heavy and use it until then. on a related note, is there any advantage to be gained by building something with a mechanical advantage like an ironworker? you could use a faster weaker ram, but im not sure the gains in tonnage would be washed out by the lack of speed. This example below is interesting, I would design it a bit differently, but the punch section is basically a press, and they are calling out 40tons of pressure generated there. If it were moved out towards the ram a bit pressure would drop but speed and travel would gain. 20 tons would be sufficcient. just a thought. thanks all Link to comment Share on other sites More sharing options...
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