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Topics - ddefocy

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General Mach Discussion / Gear Reduction question.
« on: October 04, 2017, 07:53:17 PM »
Hi ,

Trying something new , Mach3 controlled single axis (Nema-34 1600/oz) Press.
I thought with all these extra parts I have laying around I would try to fabricate a stepper driven press. Unlike most using the HF 20ton H-press/bottle jack method
I would try driving a 5-ton screw jack w/gear reduction. Using a 15amp 24vdc power supply and DQ860MA microstep driver running full 7.8amps I just need to drive this
single axis a few inches up/down and get enough tonnage to bend 16ga mild steel.  My problem is the screw jack has a mighty 6:1 gear ratio and the screw needs to spin
16 revs to equal 1.0inch.  This is where things get sketchy for me. So I figure the steeper motor would need to spin 96 revs to move the screw one inch. Thats ok but I'm new to mach3
and stepper drives , I'm looking for advise on what would be the best and most accurate way to figure out what would give me the most torque and get the desired accurate displayed motion.
My drive can run bewteen 400 and 51200 pulses/rev.  Thank you in advance.

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