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RUOEM Custom Welded Hydraulic Cylinders
OEM Custom Welded Hydraulic Cylinders
Aisoar Hydraulics customizes hydraulic cylinders to meet customers' requirements on mounting styles, pressure ratings, sizes, and configurations. We also excel at fully supporting small and medium-sized customers to help them grow.
Welded cylinders can be used for most applications. Because they are welded, the design can be more sophisticated or are welded, so repair is usually more challenging. With their compact and more customized design, welded cylinders are, in most cases, the preferred solution.
A tie-rod cylinder is easier to repair than a welded one.
AiSoar offers custom hydraulic cylinders ranging in bore size from 1.25 to 15 inches, stroke from 0.25 to 240 inches, and pressure rating from 200 PSI to 4500 PSI. AiSoar provides the customized hydraulic cylinder with construction type options, mounting options, integrated valve options, pressure and temperature options, and metric and inch size options.
The factors, like specific forces, running speed, limited mounting space, special functions, special fluids, a limited budget, etc., will cause you to design and build your own hydraulic cylinder.
| Working Environment | High temperature(high temperature resistant seals), cold (cold resistant seals) and other special fluid type. |
| Material | 304, 316 stainless steel, brass and etc. |
| Size | Non-standard size, custom bore size/rod size/stroke lengths. |
| Mounting Type | Clevis •Cross-tube •Flange •Tang •Trunnion •Spherical bushings •Foot mount |
| Structure | Single acting, Double acting, Double rods and other special structure. |
| Oil Port | Size, Location, Style |
| Function + Valve | Pilot operated check, integrated valve, and etc. |
| Surface Treatment | Paint by Raul, Pantone or Color board. |
Basic concept:
Understanding the basic concepts well helps us design a customized cylinder that can meet your specific application.
- Cylinder Application: Function and operating conditions of cylinder and overall machine.
- Force/load: the force exerted. Do I need the cylinder to push, pull, or both? The force required determines bore size as it is relative to operating pressure.
- Cylinder type: Cylinder Construction Types, Structure of cylinder.
- Mounting type: How do you mount a hydraulic cylinder? Mounting types include the base mount and rod mount.
- System Operating Pressure (psi): Maximum pressure of cylinders.
- Fluid Type: Category of hydraulic fluid supplied to the cylinders
- Temperature: Customization should consider environmental factors and weather extremes.
- Move Speed: The speed of piston rod retracted and extended
- Stop tubing: Can increase the distance between the rod and piston bearings, improve stability and enhance piston bearing shelf life.
Here are three ways that we design and make custom hydraulic cylinders:
1）Make simple adjustments based on the standard styles.
Just make slight modifications based on our modular standard elements; it's the most cost-effective way to suit your requirements for a specific application. You should print the drawing of standard styles and then write down the sizes that need to be amended. Show us the drawing, and then you can get a free quotation.
2) Make different combinations of configurations among standard styles.
We have 15 series standard styles; making different combinations of configurations among standard styles is optional, such as customized cylinders with clevis base mounted and Tang rod ends or cross-tube base mounted and clevis rod ends.
Custom Welded Hydraulic Cylinders
OEM Cylinder Types
Double Acting Cylinders
The double-acting cylinder generates thrust in two directions. So it can push the load up and down or back and forth. Each end of the cylinder has a common port, so compressed air can enter from one end to push and the other end to pull.
Deciding which one is right for your application depends on the work you need to complete. If you only need one-way movement, a single-acting cylinder is the ticket. If you need to move the load in two directions under the action of power, a double-acting cylinder is your ideal choice.
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Single Acting Cylinders
The plunger in a single-acting hydraulic cylinder extends when hydraulic fluid under high pressure is pumped into the cylinder. When it is time to retract the cylinder, depending upon the cylinder design, the plunger can be retracted using a return spring, by the load, or simply by gravity.
The single-acting hydraulic cylinders is simpler than its double-acting counterpart. With fewer components, there is much less to go wrong, which is good news when it comes to maintenance. Single-acting cylinders are ideal for straightforward jobs – especially when fast or controlled retraction isn’t essential.
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Integrated Valves Cylinders
When counterbalance or pilot-operated check valves are required in your application, the optimal position is directly mounted to the cylinder since it continues to provide load retaining protection even if a hose breaks. From simple single or dual counterbalance valves to complicated integrated circuits, our experts will create compact valve manifolds for your cylinders.
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Double Rods Cylinders
Double rod end cylinders operate with a single piston and two opposing rods. As one rod extends, the other rod retracts. As a result, the two ends can do reciprocal work in positioning or in moving with equal force, equal stroke length and equal speed. AiSoar manufactures double rod end hydraulic cylinders for a variety of applications that require push and/or pull force from both ends of the cylinder.
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Hollow Rod Cylinders
Hollow piston rod cylinders with a hollow piston that allows the rod or cable to be inserted through the entire length of the body. They can be used for tensioning, load testing, extracting bushings and maintenance applications. All cylinders feature hard chrome bores and rods for maximum corrosion resistance and are covered with bronze in the piston bearing area to reduce scoring and extend service life
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Cushioned Cylinders
Many applications necessitate the use of a hydraulic cylinder to withstand shock loads at the piston's extreme ends of travel. This stress load can be considerably minimised by using a cushioned design. Cushioning in a hydraulic cylinder can be simple or sophisticated, depending on the application's needs. Eagle can design and build hydraulic cylinders with cushions on either one or both ends of the stroke.
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Position Sensing Cylinders
The position-sensing feature in the position-sensing cylinder provides instantaneous analog or digital electronic position feedback information from the cylinder that indicates the amount of rod extension throughout the range of stroke.
Smart hydraulic cylinders with position sensing provide accurate electronic position feedback to enhance your automation. Available with safety measures according to your application's needs. Our technical team has a track record of successfully incorporating a wide range of position sensor technologies into cylinders.
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Rephase Cylinders
Rephasing cylinders are two or more cylinders connected in series or parallel, with bores and rods proportioned so that when oil flow is supplied to the first or last cylinder in the series, all rods extend and/or retract equally.
The bore and rod sizes are always the same in "parallel" applications, and the cylinders are always used in pairs. The steering feature on equipment is most usually employed.
Bore and rod sizes are often varied in "series" applications, and two or more cylinders may be employed. In these applications, the bores and rods are sized so that when flow is given to the first or last cylinder in the system, all rods extend or retract equally.
Telescopic Cylinders
Telescopic hydraulic cylinders utilize multiple nested stages, achieving a long working stroke in compact/retracted form. AiSoar Hydraulics designs and engineers application-specific telescopic cylinders, purpose-built to withstand demanding applications and work environments.
An experienced engineering team helps you work through design considerations to ensure your cylinder meets your requirements. Choose from the following custom telescopic cylinder design options:
- Single-acting telescopic cylinders
- Double-acting telescopic cylinders
- Combination of single- and double-acting telescopic cylinders
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Other Cylinders
We can design and manufacture a variety of hydraulic cylinder according to your requirement, so you can send your drawing or picture for us.We are able to try our best to product them for you.
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Mounting Type Options
We can handle all of your mounting requirements
Plain No Mount (Body or Rod)
Pin-Eye Drilled Thru Lug (Rod)
Pin-Eye Drilled Thru Lug( Body or Rod )
Cross Tube ( Body and Rod )
Threaded (Body or End)
Flange Mount (Body)
Side End Angle (Body)
Drill Thru Base Mount (Body)
Trunnion Mount (Body)
Rod End Drilled and Tapped (Rod)
Ball Mount (Body or Rod )
Foot/Pad Mount(Body)
Double Lug Clevis Mount(Body or Rod)
Spherical Bearing (Body or Rod)
Custom Welded Hydraulic Cylinders
Material Options
Cylinder Barrel/Tube
Hydraulic cylinder barrel is usually made of seamless steel tube, which is a kind of high-precision steel tube material with cold-drawn or hot-rolled treatment, with the advantages of no oxidation layer on the inner and outer walls, no leakage under high pressure, high precision, high finish, no deformation in cold bending, no cracks in flaring and flattening, etc.
The main materials commonly used in hydraulic cylinder barrels are
20 # steel pipe: 20 refers to the carbon content of 0.2%, is a low carbon steel, steel strength is low, toughness, plasticity and weldability are very good.
35# steel pipe: the average carbon content of about 0.35%, is a medium carbon steel.
45# steel pipe: the carbon content of about 0.45%, a medium carbon steel.
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Piston Rod
Piston rod material: ordinary: 45# steel (default) stainless steel 304,316: 40Cr, 40
Plating layer: common: ≥0.02mm optional: 0.03~0.05 mm, ≥0.05 mm
Straightness: ≤0.15/m
Roughness: <0.2
External surface: no bubbles, pinholes and bumps
Hardness: Normal: core hardness HRC17, chrome plating hardness HRC60 Quenching: core hardness HRC24-34, chrome plating hardness HRC60
Quenching: core hardness HRC52-59, chrome plating hardness HV800, hardness can be done up to 850-900HV
Forging Parts
Forgings are superior over castings and fabrications as the structural integrity can withstand the higher forces that exist in a rigorous or high duty cycle application.
- structurial strength
- directional grain flow
- impact strength and fatigue resistance
- manufacturing efficiency
- reduced rejection rates
Cast Components
Forgings are superior to castings and fabricated parts because the structural integrity can withstand the higher forces present in rigorous or high-load cycling applications.
Increased strength
Reduced welding as cross sections are molded as one piece
Complex shapes can be produced
Repetitive and precise process
Mounting pads or lugs can be molded into the component
Excellent machineability
Improved finish and look
Cost saving
Others
Hard chrome plated rod with options of : 7-4 SS, nitro steel, NiCr or induction hardened,
•Precision honed DOM tubing
•5000PSI rated piston seal wear ring
•Ductile iron piston & gland. C1045 Steel, Ductile Iron, Stainless Steel is optional.
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OEM Custom Welded Hydraulic Cylinders
Call us or visit our website to get more information about the hydraulic cylinders you need.
Manufacturing
AiSoar Custom Welded Hydraulic Cylinder is Your Best Choice
1. We are a family owned company with a full staff of engineering, production, quality control, sales and customer service departments. Our factory covers an area of 13,000 square meters with modern standard workshops and more than 200 sets of cutting edge equipment.
2.We have more than 20 years' experience designing and manufacturing custom hydraulic cylinders. Our development has put a lot of time and effort into organizing standardized modules and standardizing process flow. Now that we have modular standard elements, we use a PLM system to manage the drawings, and we use a MES system for documentation, traceability, and data transparency.
3. Short-run production for custom cylinders, even just 1 pc, is supported. For customized hydraulic cylinders, huge-size orders are preferred, mid-size batch orders are fully supported, and small orders are acceptable for long-term customers. By standardizing and optimizing components' specifications, we can integrate resources and apply them to different customers' orders. By doing this, even when an individual purchase order is not on a large scale, components' costs can still be much lower.
4. We take care of our cylinders like our children. We manufacture all our parts in-house, so the quality of our hydraulic cylinders is super good. Before assembly, we clean all the parts with a high-pressure cleaning machine, and we flush before testing. Each cylinder would go through the testing procedure before packaging to make sure there was no internal or external seal leakage. Paint with primer first before the main paint to make sure the cylinders look perfect.
Custom Guide
Custom Welded Hydraulic Cylinders Guide
Firstly, you should determine the technical parameters: bore size, rod size, stroke, working pressure, and required force (column load). It is greatly useful if you can tell us the application of cylinders, complete this form, and return it by email to oversea@ai-soar.com. If you prefer, provide contact information on this page and follow up with your cylinder print.
Secondly, you should select the proper mounting types for rod ends and base ends that can meet your application's demands. Consider the space requirements and how the load functions.
Other information: port style and size, painting, and package.
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FAQ
Frequently Asked Questions
We'll try to answer some
A: Yes, we do. We can design the custom cylinder, build it, supply it and solve it worldwide!
A: Well, it quite depends on the quantity or the style of hydrualic cylinder. In most cases, 4~6 weeks for the first order, and we are able to shorten the lead time for the old order.
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