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  1. T

    Hydraulic Pressure Data Logging

    You can’t run gear pumps at 3600 psi, let alone spike it up to 6000. And I don’t need any data logger to know that. Even 3500 psi on PGP 300 series are only rated for pumps with smaller displacements. PGP 600 series can go to 4500 intermittent, - but no way it’ll sustain 6000 psi spikes. You’ve...
  2. T

    Sawmill parallel cylinder lift issues

    Add dual counterbalance valves to the cylinders. And after that the only source of unevenness will be piston seal bypass. If you cheap out and do pilot operated check valves - you might get chatter on lowering. But the best thing for carriage positioning is screws. Like Timber King did on...

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