Hydraulic Control Upgrade for an Enerpac Pump

Hydraulic Control Upgrade

 

We have a an old Enerpac pump in the lab where the Hydraulic controls were only Forward and Reverse. They were controlled with servovalves that open and close when 110 voltage is applied. I used timer relays to be able to control the load and unload rate of the system. A counter was wired in to count cycles. There was also the option of manual control with the old buttons or to cycle. A pressure relief valve was used to get the same loading every time.

This was used in the research project:
Mid-America Transportation Center
Report # MATC-KU: 36
Performance of Geogrid Reinforced Ballast under Dynamic Loading

http://ntl.bts.gov/lib/46000/46600/46640/Parsons_363_FINAL_COMBINED.pdf

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