Tech Tips - Forget Hydraulics

Sponsored by Page 3 Air-Oil tanks provide a nice alternative to hydraulic systems when precise cylinder motion is required. They cost less and take up far less space. No pumps. No noisy motors. No relief valves or the like. And of course, installation is a lot simpler too. In combination with off-the-shelf air valves, air-oil tanks enable precise, smooth cylinder motion with absolute control using basic shop air pressure. Fabco-Air’s Air-Oil tanks are available in single tank and space-saving double tank versions with bore (I.D.) sizes of 1-1/4”, 2” and 4” to suit most applications. Single Tank Units Single tanks are used when hydraulic control of the cylinder is required in one direction only. If there is any question as to the integrity of the piston seal, a double tank is recommended. Single Tank Units are also used as fluid storage tanks for boosters, hydraulic shock options, and other applications. Double Tank Units are used when hydraulic control of the cylinder is required in both directions. The one-piece heads that hold both tanks simplify mounting and save space. Combining a Single Air-Oil Tank with the Power Cylinder on an Air Press Let’s assume we want to punch holes in a stack of laminations. We’ll use a Fabco-Air F55 Series air press for this example. Notice that the power unit of the press is a 5” bore, 3-piston, Multi-Power® air cylinder with beefed up construction to meet the rigors of press type applications. All three pistons are simultaneously pressurized for the power stroke; only one piston drives the retract stroke. At 90 psi, the three piston thrust will be over 5,000 pounds. More than enough for the job at hand. Fabco-Air Air-Oil Tanks: 2" Bore x 9" high CONTROLLING SPEED WITH AIR-OIL TANKS Courtesy of Fabco-Air Baffles separate the three pistons and have vents to atmosphere F55 Series Press shown with customer tooling

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