A recent arrival on ‘Plant Brendan’ who works for Bosch Rexoth’s ‘Large Hydraulic Drives’ division in Sweden (a.k.a. Hagglunds division) wrote me this after reading my “6 Hydraulic Mistakes….” report:
“I would have liked more information on why you shouldn’t have filters on the drain line on piston pumps. We actually use that solution in our drive units and we … Read more
One of our members writes:
“I work for an aircraft ground servicing manufacturer and we test hydraulic flow for various restrictor check valve assemblies. We have a test bench that maxes out at 2500 psi and 20GPM, using a 30HP electric motor. We need to test a new restrictor that requires 3500psi and 26GPM. I was wondering if we could … Read more
Gas-charged accumulators are a common feature of modern hydraulic systems. They carry out numerous functions, which include energy storage and reserve, leakage and thermal compensation, shock absorption and energy recovery. But while accumulators present a number of advantages in hydraulic system operation, and can provide many years of trouble-free service, they are a maintenance item.
For example, the correct gas … Read more