800-327-6203

CYLINDER REMANUFACTURING

To OEM Specs

Swanson is a quality-certified worldwide supplier of remanufactured hydraulic cylinders. With extensive engineering capabilities and decades of hands-on experience, Swanson leads the industry in restoring severely damaged hydraulic cylinders to prime working condition at a lower cost.

Heavy industrial applications expose hydraulic cylinders to harsh, intensive conditions, resulting in severe wear that impacts performance. Replacing compromised cylinders with new units can be costly.

Our global support system is well-positioned to take all types and sizes of worn, abused hydraulic cylinders and return the units to original equipment manufacturer specifications, or “like new” condition, at a cost that compares favorably to "new" cylinder replacement.

All cylinder remanufacturing is performed in-house at Swanson’s state-of-the-art facilities:

  • Single Acting
  • Double Acting
  • Welded Rod Cylinders
  • Telescopic Cylinders
  • Threaded or Bolted Head
  • Long Stroke / Large Bore
  • Position Feedback
Tim Grzybowski Director, Industrial Sales
  • ISO-9001:2008
  • Controlled Environment for Testing and Assembly
  • Test equipment oil cleanliness maintained to 16/13 (ISO 4406) or better
  • Every Cylinder is Pressure and Function Tested Before Shipment
  • Certified Welders and Qualified Weld Procedures

When the application demands a heavy-duty cylinder that works at pressures above 3500 psi, Swanson’s well-qualified engineers and seasoned machine operators deliver high performance units that customers expect from a leader.

Specialized Machinery To Restore Severely Damaged Cylinders

Swanson houses the specialized machinery needed to remanufacture cylinders to OEM specifications:

  • Conventional and CNC machine tools
  • 33-inch diameter by 30-foot-long horizontal power hone
  • 30-foot cylinder assembly machine
  • Laser processing and welding technologies
  • Proven testing facilities, including cylinder load testing by a 500-ton computerized test unit

Our World Class Remanufacturing Process Includes:

  • Complete disassembly and inspection of all components
  • Verification of components using the most recent OEM specifications
  • Remanufacture component per approved specifications
  • Thorough cleaning of each component
  • Induction hardening for increased strength and wear resistance of hydraulic rods, rolls and pins
  • Submerged arc welding to build up damaged components or total welding to build up excessively worn surfaces as part of the remanufacturing process
  • Reassembly and testing components at normal working pressures to ensure OEM-caliber performance

Industrial Chrome Plating

to enhance the mechanical and physical properties of hydraulic cylinder components, such as rods and internal cylinder tubes.

Swanson’s hard chrome plating tanks accommodate components up to
25-ft. long | 36-in. diameter
6,000 lbs.


Chrome Plating is an electroplating process, which mechanically bonds a hard, thin layer of chrome to a substrate for resistance to abrasion and corrosion.

Laser Cladding

Laser Cladding to resurface worn or damaged cylinders, rolls and pistons to prime working condition. Our workstations can accommodate a 1-48” diameter range, components up to 80’ feet in length, and a maximum weight of 40,000 lbs.



This high density, low thermal input process can apply a multitude of surface coatings at specified chemistry with minimal heat affect and dimensional distortion.

Friction Welding

Friction Welding, a low-cost alternative for:

  • Rod Assembly: bar to eye or three-piece rods made from tube to reduce weight, or
  • Cylinder Body Fabrication: joining gland rings to tubes or welding end caps to tubes
Swanson’s 700B is one of the largest inertia welders in the world. Swanson maintains five friction welding machines.

Video appears by permission : Manufacturing Technology, Inc.

Friction welding can bond like and dissimilar metals without filler for a 100% welded interface. Joint strength is equal to or stronger than parent metals.

Induction Hardening

for increased strength, wear resistance, and impact resistance of hydraulic rods, rolls and pins.


The metal part is heated by induction and then quenched. The metal undergoes a martensitic transformation. increasing the hardness of the part.

Submerged Arc Welding

allows for the joining of thicker materials and weld metal overlay for dimensional restoration and the application of corrosion resistance/hard surface coatings


Submerged Arc Welding (SAW) is a proven, reliable process known for its high quality weld metal deposits and high deposition rates. SAW is capable of superior joint penetration and optimal deposit efficiency.

 

Swanson engineers use their unrivaled experience in cylinder design to evaluate component wear and tear and can make design recommendations that will improve cylinder life and performance.

Hydraulic Cylinder Reman Specifications

In an increasingly complex and competitive market, value for money is a priority. At Swanson, our extensive machining and welding expertise is used to remanufacture high-quality components that meet–and exceed–OEM specifications:

  • Cylinders up to 42 inches (106.68 centimeters) in diameter
  • Horizontal power hone: 33-inch (83.82 centimeters) diameter by 30-foot (9.144 meters) long
  • Cylinder assembly machine: 30-foot (9.144 meters)
  • Stroke up to 60 feet (18.288 meters)
  • Porting as required. NPT, S.A.E. O-Ring BSP, Tube lines and Specials
  • Operating pressures of up to 10,000 psi
  • Rods up to 120 feet (36.576 meters) long
  • Steel construction standard (aluminum, cast iron and stainless steel options available)
  • Mounting: Cross tube, clevis, flange, trunnion, spade, pin or custom designs
  • Rod materials and coatings that include chrome, stainless steels and nickel over chrome
  • Advanced seal options: low, medium and high pressures
  • Valve Blocks: Machined for specified cavities and mounting configuration
  • Integrated position sensing options
  • Cushioning on both ends of the stroke
  • Fully equipped for machining and building to metric dimensions
  • Certified Inertia Welding on Rods 1” to 8.5” in diameter for single-piece manufacturing that adds strength and durability

Positive Environmental Impact

  • Proper disposal of used parts
  • Less energy consumed than in new product manufacturing process

Swanson Is Your Source For High-Quality Reliable Repair Services

  • Expertly trained and experienced technicians
  • Free quotes for repairs
  • Flexible repair options
  • Service most component manufacturers
  • Stringent quality control procedures
  • Equipped with state-of-the-art contamination control
  • In-house performance testing capabilities of all component brands
  • All repairs are backed by an industry leading warranty

 

 

 

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