Magnetostrictive sensors complement self-contained actuators
Self-contained electrohydraulic actuators from M-Mac Actuators, Vancouver, B.C., Canada, combine the stiffness, speed, and high force of hydraulic actuators with the accuracy and reliability of electromechanical actuators in a compact, ...
Worldwide standards versus company standards
Piston seals and wear rings can be combined for specific applications, leading to reduced production costs for hydraulic pistons. This means that the best product, technically and economically, can be chosen for ...
More reliable fluid power components?
On October 31, I moderated a panel discussion on reliability testing of hydraulic components. I had never moderated a panel discussion before, so I had visions that my role would be to keep discussions from becoming too heated. Needless to say, ...
Electrohydraulic control mixes it up
A two-axis, electrohydraulic drive controls the gap between rolls of this rubber processing machine to within ±0.01 mm, yet it also allows rapid separation should a malfunction occur. Elastomers and natural and synthetic ...
Clean Air at the Right Pressure
With a continuing trend away from lubricated pneumatic systems, the familiar term F-R-L (filter-regulator-lubricator) may become just F-R.
Quick and easy system diagnostics
By Alan L. Hitchcox Whether it's a stationary hydraulic system or a mobile one, diagnostic troubleshooting of a malfunction can be a tedious process, even if you have good equipment. The problem is, hydraulic systems usually have test points in ...
Crane combines power, size, safety
Hydraulics delivers the power, precision, and reliability that make the world's largest mobile crane an awesome display of engineering.
Harder O-rings
Performance expectations, coupled with technical advancements, have led Daman Products Co. to switch O-ring hardness for all face seal O-rings supplied with its standard and custom components.
Pretty, precise plumbing
Dynamic cylinder test fixture at Servo Kinetics. Left: Clamp fixture control panel for Ann Arbor Machine's dial table. Okay, you've gone over your bill of materials. You have everything you need: reservoir, pump, valves, ...
Buoy oh buoy, it's a friendly fluid
This buoy is part of a system that converts ocean waves into electricity through a hydraulic system. In today's world, we depend primarily on non-renewable energy sources that have unstable prices and cause damage to the ...
New software version has more power, more symbols
Realistic dynamic simulation allows users to validate design integrity prior to machine implementation. Scenarios can be created as a function of time, position, or force due to devices such as joysticks, steering wheels, PID controllers, ...
These are great times for fluid power
Sitting at my desk, I daydream about what it must've been like to work in the 1960s and late 50s — what many would consider the heyday of fluid power. Air travel would've been much more convenient — long before security lines were needed. Even more ...
A safety boost in OSB manufacturing
Manufacturing of oriented strand board requires a combination of high pressure and elevated temperatures — a combination that holds a high potential for fire unless fireresistant hydraulic fluids are used. By Alan L. Hitchcox ...
Compact LSHT motor incorporates fail-safe brake
Char-Lynn T-brake motor has an integral brake that makes it 1/2 the weight and 1/5 shorter than conventional brake motors. Low-speed, high-torque motors are the essence of fluid power. They deliver more power in a smaller package than any ...
Sensors measure off-highway vehicle dynamics
Triaxial piezoelectric force sensors, from PCB Piezotronics Inc., Depew, New York, simultaneously measure dynamic and quasi-static forces in three orthogonal axes. They are used to study large, off-highway vehicle chassis dynamics at interfaces between ...
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