His diverse background in industry includes ten years with a fluid power distributor and a variety of other professional positions. Richard Schneider Contributing Editor. Sensors keep an eye on impact. Sensors monitor when impact of machine assemblies changes. Traction is king on grape harvester.
Cooper Cameron Corporation of Houston, Texas, produces land and offshore hydraulic control and drilling systems for the oil industry as well as hydraulic industrial equipment including compressor systems. Hitchcox, A. It also produces assembled systems for oil and gas drilling, production, and transmission. Kenneth Korane, managing editor of Machine Designsees a growing demand for miniaturized pneumatic valves. In U. The leading states for the production of fluid power valves and hose fittings are all east of the Mississippi and include Connecticut, Minnesota, Texas, New Jersey, Michigan, and Ohio. The leakage issue applies more to hydraulics than it does to pneumatics, especially hydraulic Dick schneider hydraulics and pneumatics leakage; this is being addressed with increased use of straight thread connectors, a renewed interest in water in hydraulic systems, and more environmentally friendly fluids. SPX's Hytec division produces high-pressure hydraulic pumps, rams, valves, pullers, and other equipment. Schneider, Richard T.
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The Old Timer, a year veteran of the Dick schneider hydraulics and pneumatics power wars from Royal Oak, Michigan, combines several real events in this reminiscence, parts of which will probably sound familiar to many readers. This is an essential hjdraulics for engineers and technician who work with fluid power. Hydrus Tools Our own patent pending line of encapsulation removal tools are available in multiple standard sizes. A closer look at the counterbalance valve revealed that it had no bypass check valve passage. What Our Clients Say. Your prompt responses to our questions and your ability to get what we need quickly and at low prices, is something we do not get from most of our vendors. Chapter 2: Hydraulic Fluids. At the plant we verified that this report was correct. Poor plumbing Sara jay fist can permanently Dick schneider hydraulics and pneumatics a perfectly designed fluid power circuit. Sign Up. The Benefits.
This classification covers establishments primarily engaged in manufacturing hydraulic and pneumatic valves, hose and tube fittings, and hose assemblies for fluid power systems.
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His diverse background in industry includes ten years with a fluid power distributor and a variety of other professional positions. Richard Schneider Contributing Editor.
Sensors keep an eye on impact. Sensors monitor when impact of machine assemblies changes. Traction is king on grape harvester. Drive designers must anticipate a wide variety of terrain and surface conditions — and be sure their machines can handle them. Trash Compactor is Designed for Efficiency. Trash compactors have always had to be rugged and easy to use. Cornell engineering students invent pneumatic gripper with coffee grounds and a balloon.
Simple flow control offers four operating speeds. The two, 2-port, 2-position valves in the meter-out circuit shown here provide two independently adjustable cylinder-extend speeds and two independently adjustable retract speeds.
Therefore, the operator can select f Compact, yet powerful pump. The sma The thrill is back— thanks to refurbished hydrauilcs. With its patented vane-crossing-vane design, this hydraulic motor provides low-speed, high-torque and high-speed, high-torque power from the same bi-rotational power converter.
Working vanes in the rotor and sealing Pressurized bladder crushes grapes. The burgeoning worldwide wine industry demands higher volume and greater consistency. French manufacturer Fabbri SA, a winemaking-equipme A new hand-held tool swages fittings onto fluid power conductors with ease. Load More 1 2 3 4 next last. Load More.
What Our Clients Say. The press started down, then stopped, sat there, started again, stopped again. With he new valve installed, something finally happened when we energized a solenoid — we got an oil shower. Please send over a line sheet so we can see what other products you offer. As you know, we initially looked internally for efficiency improvements and cost reductions, then asked key suppliers what could be done. All we needed was a 4-way valve, a pressure switch, and a counterbalance valve — just three simple components. Your service has been second to none.
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I look forward to working with you in the future! Loella is very knowledgeable and has a very extensive department behind her. Your service has been second to none. Your ethics and integrity set you apart from the rest and that is why I will always do business with you. Gery shared with me your response to our request for assistance in our ongoing efforts to realize the cost reductions that our clients have asked us to produce.
As you know, we initially looked internally for efficiency improvements and cost reductions, then asked key suppliers what could be done. I am sure that Gery has thanked you for your support, but I wanted to add my thanks as well. Thanks for taking time out from your busy schedule to visit and for the personal tour of Pneumatic and Hydraulic. The organizational health is very obvious, your team is well focused, energized and obviously dedicated, which marks good leadership.
I have been working with PHC over the years. In that time I have been helped out with any request I put forth. Truly a great company to do business with now and in the future for all my hydraulic needs.
Thanks guys! They had a quick turnaround and kept me informed on their status while being repaired. Will definitely be working with these guys again! I wanted to reach out to you this morning to thank you for your help and support earlier in the week. I was out of the state on the road and you helped me tremendously. I appreciate your extra effort to help me and my company. I just wanted you to know that I appreciate you and the great service. Look forward to working with you guys.
Please send over a line sheet so we can see what other products you offer. We appreciate the help you and the people at Pneumatic and Hydraulic have given us over the past few months. Your prompt responses to our questions and your ability to get what we need quickly and at low prices, is something we do not get from most of our vendors.
We are very impressed with the knowledge of your sales and technical team. I look forward to conducting business with you in the future. Our team of experts can design a hydrostatic testing system to meet your exact needs.
Read More. Custom Hydrostatic Testing Solutions Our team of experts can design a hydrostatic testing system to meet all of your specifications. The Benefits. Hydrus Tools Our own patent pending line of encapsulation removal tools are available in multiple standard sizes. We could have one but they were without bases. Another unit had some bases and would trade for one. One of them probably would work.
So all we had to do was copy the sketch and issue instructions to our weekend people:. At the plant we verified that this report was correct. Energizing either solenoid produced no reaction.
We knew the valve had been completely rebuilt. Could the sub-base be the problem? A little checking revealed that the old style valve had an external pilot and an external drain. The newer sub-base was set up for internal pilot and internal drain. Did we want to experiment with changing the plugs around? With he new valve installed, something finally happened when we energized a solenoid — we got an oil shower.
Some of the bolts used to mount the valve were a fraction too long and bottomed out before they squeezed the O-rings. Time out to grind down the bolt ends.
With everything reassembled we tried solenoid a. The press started down, then stopped, sat there, started again, stopped again. We knew we had plenty of pump flow, so it was time to examine the counterbalance valve.
We changed the external pilot to an internal pilot on the incoming side and wound the spring down considerably. A closer look at the counterbalance valve revealed that it had no bypass check valve passage.
Where did that old dog of a valve ever come from? Three aisles over, another press was being rebuilt. We borrowed a true counterbalance valve from that machine. After we installed that valve, the press cycled properly, but the pressure switch worked erratically.
Checking make and model number, we learned that Central Stores had unloaded an ancient obsolete model on us. The box was wet and the switch was rusty — clues that it had been stored near a roof leak.
One of our guys remembered seeing some new switches in incoming stock. All we had to do was pop a lock and climb a fence to acquire one. The tooling guys moved in for their work, and when they were done, the press was ready to start production — except that after 15 minutes, the press slowed down, then stopped.
We thought everything was okay on our end, so maybe there was bearing and guide misalignment.
This classification covers establishments primarily engaged in manufacturing hydraulic and pneumatic valves, hose and tube fittings, and hose assemblies for fluid power systems. The U. The value of direct exports of U.
The industry employed 37, people with nearly 26, being production workers, in The leading states for the production of fluid power valves and hose fittings are all east of the Mississippi and include Connecticut, Minnesota, Texas, New Jersey, Michigan, and Ohio.
According to the NFPA, fluid power is energy that is transmitted and controlled through a pressurized fluid—liquid or gas. Fluid power valves regulate the liquid or gas as it moves through valves, hoses, and fittings.
The term fluid power thus applies to both hydraulics and pneumatics. Hydraulics utilizes liquid, oil, or water under pressure, while pneumatics refers to the use of compressed air. Fluid power is often used in conjunction with other technologies such as sensors, transducers, and microprocessors. Included in the total fluid power market are fluid power valves and fittings as well as hydraulic and pneumatic pumps, cylinders, rotary actuators, motors, filters, hose accumulators, air preparation accessories, stationary compressors, and other products.
The fluid power industry is generally divided into three large segments: mobile hydraulic, industrial hydraulic, and pneumatic. Historically, mobile hydraulic applications have accounted for about 50 percent of fluid power sales while the other two segments each share about 25 percent of the market.
The mobile hydraulic segment heavy truck, construction equipment, and agricultural machinery , although the largest, is also the most volatile. The aerospace industry, construction equipment, heavy truck, agricultural equipment, and the machine tool and materials handling industries account for about 75 percent of the total fluid power consumption in the United States.
The other 25 percent is divided amongst more than other industries. In , the last year for which figures have been published, the top five product share by type in order of dollar value were: nonaerospace-type hydraulic and pneumatic fittings and couplings for hose; aerospace-type hydraulic and pneumatic fluid power hose or tube end fittings and assemblies; aerospace-type hydraulic fluid power valves; nonaerospace-type flareless fittings and couplings including nonmetal fittings used in fluid power transfer systems; and nonaerospace-type pneumatic directional control valves.
The rest of the market was divided by eight other categories by type. Most of the establishments engaged in this industry employ more than 20 people. Therefore, this industry is characterized by larger businesses and labor-intensive processes. Throughout the s the amount of employees per establishment was higher than the average of all manufacturing—as were payroll, hours worked, and wage statistics and shipments per establishment. Shifting from earlier trends, shipments per establishment also were higher than average, but investment per establishment was average.
Fluid power valves rely heavily on a number of economic sectors and industries for business inputs. The highest percentage of input is provided by blast furnaces and steel mills at Manufactured pipe, valves, and pipefittings represent 8. The remaining input categories are all less then 4. According to the NFPA, the fluid power industry underwent two periods of sustained growth in the s and s. The average annual growth rate of the industry between and was 9. This remarkable growth was due to the expansion of existing markets and new markets, especially robotics and active suspension systems on automobiles—due to the introduction of electrohydraulic and electropneumatic technologies.
The NFPA remains optimistic about future industry growth despite the slowdown in fluid power consumption growth in the late s. Reasons for optimism include a strong and continued global demand for consumer goods and growth in demand for capital equipment in Eastern Europe and South America.
Exports have played an increasingly important role in the U. In U. This represented an average annual export growth rate of nearly 20 percent. Fluid power imports, however, are also rising. In , U. The five top importing countries of U.
These countries purchased 61 percent of all U. In the late s, 74 percent of U. The total number of industry employees fell from 38, in to 37, in ITT Industries of White Plains, New York, makes a wide variety of products and services in many fields through its ITT Fluid Technology division including pumps, valves, mixers, and other fluid technology products including Koni shock absorbers and struts for the automotive market.
ITT Aerospace Controls manufactures fuel, hydraulic, pneumatic, and solenoid valves. Vickers, Inc. Vickers was founded in in Los Angeles to design and build hydraulic machinery. Aeroquip-Vickers produces a wide range of products for the fluid power industry, including all pressure ranges of hoses, fittings, adapters, couplings, and other fluid connectors along with motor pumps, valves, and electrohydraulic, hydraulic, and pneumatic cylinders.
Its Fluid Power Division produces and services products and 34, components, including hydraulic and electrohydraulic equipment for global aerospace, marine, and defense markets. SPX's Hytec division produces high-pressure hydraulic pumps, rams, valves, pullers, and other equipment. Its Power Team produces hydraulic equipment for automotive and industrial markets as well as high-pressure hydraulic pumps, cylinders, and valves. Cooper Cameron Corporation of Houston, Texas, produces land and offshore hydraulic control and drilling systems for the oil industry as well as hydraulic industrial equipment including compressor systems.
Products include oil and gas pressure control equipment including valves, wellheads, chokes, and blowout preventors. It also produces assembled systems for oil and gas drilling, production, and transmission. Research in the fluid power industry is aimed at three key issues, according to the NFPA: higher operating pressures, lower noise levels, and less environmental contamination due to leakage.
The industry has always been driven towards higher operating pressures, and this demand is not expected to subside. The noise issue is relatively new and has come because of more stringent government noise regulations. The leakage issue applies more to hydraulics than it does to pneumatics, especially hydraulic oil leakage; this is being addressed with increased use of straight thread connectors, a renewed interest in water in hydraulic systems, and more environmentally friendly fluids.
Under continuing pressure from the Environmental Protection Agency EPA , the fluid power industry is turning towards more environmentally friendly fluids for use in hydraulic systems and products. To be considered environmentally safe, fluids must be readily biodegradable and virtually non-toxic; however, many such products, especially vegetable oils, have a deteriorating effect on commonly used urethane seals through hydrolysis. Parker Seals Packing has, however, developed a high grade urethane known as PA90 that resists hydrolysis.
Thus, environmentally friendly oils such as rapeseed oil can be used in some hydraulic applications. Another problem with the use of vegetable oils in these applications was the propensity for rapid oxidation at high temperatures—oils are not fire resistant. To deal with this problem, Houghton International of Valley Forge, Pennsylvania, has begun marketing a Canola Oil based hydraulic fluid called Cosmolubric B that is described as a "… vegetable oil derived fire-resistant hydraulic fluid with additives to enhance corrosion protection, metal passivation, and oxidative inhibition.
Other trends include the use of exotic materials, miniaturized pneumatic valves, and solid-state pressure switches. In Parker Hannifin, for instance, introduced corrosion free compression tube fittings made from a titanium alloy. The company also produces compression tube fittings made of Hastelloy, a nickel-molybdenum alloy as well as Alloy , a nickel-copper alloy.
Kenneth Korane, managing editor of Machine Design , sees a growing demand for miniaturized pneumatic valves. A growing need for economical systems that are durable, flexible, and fast is feeding demand for downsized components," writes Korane. Smaller valves are easier to install, take up less space, and answer the growing need for valves that can be mounted on moving actuators and end effectors according to Frank Latino, senior product engineer for the Festo Company. Weight is also a growing issue.
Adams, R. Kromdyk, and T. Cooper Cameron Corp. Connected Cooper Cameron. Hitchcox, A. Hoover's Masterlist of Major U. Companies ITT Industries, Inc. Korane, Kenneth J. National Fluid Power Association. Pentair, Inc. Paul, MN: Pentair, Inc. SPX Corp. SPX Corporation. Schneider, Richard T. United States Census Bureau. February Vickers Inc. Maumee, OH: Aeroquip-Vickers, Wangsaard, M. Toggle navigation. Further Reading Adams, R. Other articles you might like:.
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