hydraulic forging press of 400 ton capacity required how much quantity oil. all the other parameters are known.
hi abdul,
there are basically three type of flows to consider,
- displacement flow = cylinder velocity times cylinder area
- compression flow = ammount of oil to raise pressure to force/cyl area required. the attached volume plays a crucial part here
- leackage flow = volumetric losses of drive train under pressure
sum of the above gives you the total required flow.
you can compute by hand or use a hydraulic simulator tool. bosch rexroth offeres one for free. check it out at www.boschrexroth.com/simster
good luck
m. liedhegener
bosch rexroth ag
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