Many fluid-power engineers take for granted today’s technically sophisticated devices like servovalves, high-efficiency pumps and electronic controls. But do you ever wonder the genesis and history behind such developments? Jack L. Johnson, CEO and V.P. of R&D with IDAS Engineering, a U.S. delegate to ISO TC 131 (the ISO technical committee on fluid power) and…

Maintenance of a hydraulic system, or any mechanical device, involves ensuring that it remains in an operational state whenever it is required. In some cases, the hydraulic system and the machinery it operates may be required 24 hours a day, 7 days a week. In other situations, the hydraulic equipment may operate for perhaps 10…