Vibratory stress relief is used by an array of construction, manufacturing, transportation, industrial services, and government-owned and operated business establishments. Our clients™ applications for the VSR Process vary from very standard, to proprietary process, to security classified. Obviously non-disclosure and confidentiality agreements preclude us from sharing information or identifying some customers. In addition, business ethics require that we receive permission from every client before sharing their name or other data. A number of clients have given their permission. Shown below is an alphabetical listing of some of these clients along with a brief description of how the vibratory stress relief process is used.
ALLVAC
Monroe, NC
A world leader in the production of nickel-base and cobalt-base superalloys, titanium-base alloys, and other specialty steels for the aerospace industry, all produced in vacuum chambers. The VSR Process was used on a vacuum chamber made of 304 stainless steel.
BOEING HELICOPTER
Philadelphia, PA
The world’s leading aerospace company, and the largest manufacturer of commercial jetliners and military aircraft, including moving-wing aircraft. The VSR Process is used on mild steel tooling used to produce components and assemblies for these aircraft.
BOEING AIRCRAFT
St. Louis, MO
The world’s leading aerospace company and the largest manufacturer of commercial jetliners and military aircraft. The VSR Process is used on mild steel tooling used to produce aircraft components, and on assembly tooling for parts up to 40′ L.
CAMERON COMPRESSION SYSTEM
Oklahoma City, OK
A leading global supplier of reciprocating and centrifugal compressors, accessories, and parts & service. The VSR process was used to stabilize 151″ L cast iron compressor frames.
CINETIC LANDIS GRINDING
Waynesboro, PA
A leading manufacturer of high precision cylindrical grinding machinery for the automotive industry. Workpieces include both mild steel fabrications, and cast irons. The VSR Process is used before and after rough machining, and, in certain instances, after induction-hardening.
CONSTRUCTIONS EDB
Bromptonville, QC, Canada
An industrial construction company specializing in the installation of mechanical equipment, steel structures boilermaking, and pipe installation. The VSR Process is used on paper pulp pump rotors, which are 300-series stainless steel fabrications.
CORLEY MFG
Chattanooga, TN
A leading manufacturer of rugged, dependable sawmill machinery used in paper mill and forestry equipment industries. The VSR Process is used on mild steel and stainless steel fabrications, and lo-c, hi-strength steel fabrications.
D & M WELDING
York, PA
A fabrication shop producing a variety of weldments including machine tool bases and pump housings. Most fabrications are mild steel and stainless steel work.
DEISTER MACHINE
Ft. Wayne, IN
A manufacturer of vibrating feeding, scalping and screening equipment used within the crushed stone, sand & gravel, ore processing, and similar industries. Some fabrications are thin mild steel plate (1/4″ – 1/2″) and structural members to 30′ L. The VSR Process is used, primarily, to lengthen fatigue life; dimensional stability is a secondary benefit.
DIAL MACHINE
Rockford, IL
Specialist in precision boring, milling and turning medium to large components up to 40 tons. The VSR Process is used both before and after rough machining of pure titanium, cylindrically shaped, 144″ L, 12″ dia forgings. Other applications include cast iron machine tool bases up to 30′ L.
DIAMOND MANUFACTURING
Savannah, GA
A manufacturer of attachments for the heavy equipment industry. The VSR Process was used to stabilize 4130 steel, bronze-sleeved, ship propulsion shafts, after they had been heat-straightened multiple times.
DIXIE IRON WORKS
Alice, TX
A manufacturer of high pressure plug valves, fittings, chokes, manifolds and well service pumps for the oil & gas industry. The VSR Process is used to stress relieve a variety of components on which PWHT has proven to be ineffective.
FRENCH OIL MILL MACHINERY
Piqua, OH
A leading manufacturer of hydraulic, oilseed extraction, polymer equipment, and fiber presses for customers requiring liquid-solid separation or equipment for shaping rubber, thermoplastic, composite or other materials. The VSR process is used on bi-metallic (stainless/carbon steel) fabrications.
GENERAL DYNAMICS
Groton, CT
A manufacturer of marine systems including submarines, surface combatants, auxiliary ships and large commercial vessels. The VSR Process is used on hi-strength steels (HY80), and duplex stainless steel components.
GOODRICH AEROSPACE
Ithica, NY
A world renown manufacturer of products and systems for aircraft and engine manufacturers, airlines, and defense forces around the world. The VSR Process is used to stabilize satellite components.
HARDIE-TYNES
Brimingham, AL
A world leader in the manufacture of water control gates & valves and associated operating machinery, steam turbines, pressure vessels and large precision machined components for industry, military, aerospace, municipal markets. The VSR Process is used on mild and stainless steel machine bases and components.
HILMAN ROLLERS
Marlboro, NJ
A recognized leader in the manufacturing of heavy-duty dollies and load roller systems, used to move heavy loads ranging from 1 to 1000 metric tons. The load rollers are used worldwide in industrial, civil engineering and heavy construction markets. The VSR Process is used on components that cannot be heat treated.
INGERSOLL MACHINE TOOLS
Rockford, IL
A leading manufacturer of special machine tools, and services provider for the world’s metalworking industries. The VSR Process is used on mild steel weldments, often both before and after rough machining.
KADANT WEB SYSTEM
Auburn, MA
A global leader in technology products for the pulp, paper and recycling industries. The VSR Process is used on doctor blades and backs (150″ to 300″ L) for the paper industry. These stainless or bi-metallic (stainless/carbon) workpieces are poor candidates for PWHT. NB: KADANT’s predecessor, LODDING ENGINEERING, developed the first vibratory stress relief system in 1961.
KASGRO RAIL
Newcastle, PA
A manufacturer of open-platform rail cars used to carry massive loads, such as military vehicles, and large compressors. The VSR Process is used on mild steel fabrications which must maintain strict camber specifications to prevent distortion during test loading and heavy use.
KINGSBURY CORP
Keene, NH
A world leader in the design and manufacture of special purpose, high production metalcutting, assembly equipment, turning and machining centers. The VSR Process is used on both mild steel fabrications and iron castings.
MARMAC CO
Xenia, OH
A manufacturer of large hydraulic systems which use cylinders up to 30′ L and 30″ dia. The VSR Process is used to enhance the dimensional integrity of these mild alloy steel cylinders.
MCLANAHAN CORP
Hollidaysburg, PA
A leading manufacturer of process equipment used in the mining and quarrying industries. The VSR Process is used on a variety of large components, often cylindrical in shape (12′ to 24′ dia), and weighing up to 36 tons.
METALEX MFG
Cincinnati, OH
A high-technology contract machine shop used by manufacturers of machine tools, high-speed automation equipment manufacturers and spacecraft and aircraft builders. The VSR process is used on machine tool bases and columns, and mild and stainless steel processing machinery components.
MORRISON-BERKSHIRE
North Adams, MA
A contract manufacturer of pressure vessels, machined cylinders, hot oil rolls and steam rolls used in pulp & paper, mass transit, textile and oil drilling industries. The VSR Process is used on multiple-walled, stainless steel rolls, up to 60′ L and 6′ dia. VSR Process is used not only during preparation for machining of inner surfaces of the rolls, but also after each additional welding step.
OLDENBURG GROUP
Rhinelander, WI
A global supplier of engineered heavy equipment serving the defense, industrial minerals, hard rock, coal and timber industries. The VSR Process has been used in a variety of applications based on customer requirements, including both mild steel fabrications and iron castings.
PRECISION CUSTOM COMPONENTS
York, PA
A fabricator of large, close tolerance pressure vessels, reactors, casks, and canisters for commercial, nuclear and military/government industries. The VSR Process has stress relieved workpieces fabricated from many exotic alloys, including various grades of stainless steels.
ROCK ISLAND ARSENAL
Rock Island, IL
The largest government-owned weapons manufacturing arsenal in the western world; known for its expertise in manufacturing a wide variety of weapons and weapon components. The VSR Process is used to improve the dimensional stability of a number of these components.
SAVAGE ENGINEERING
Garfield Heights, OH
A manufacturer of custom designed presses utilizing VSR Technology Group contract service work. The VSR Process was used to stabilize and provide tighter tolerances on a 60,000 lb., mild steel press bed. PWHT would have been far more expensive, and required transport to a distant heat-treater. VSR Process time, set-up to tear down, was less than 2 hours.
STADCO
Los Angeles, CA
An international fabricator of complex, high-pressure, close-tolerance parts, assemblies and tooling for the aerospace, defense, high-tech research and commercial sectors. The VSR Process is used on stainless, mild steel, and aluminum fabrications.
SUPERIOR DIE SET
Oak Creek, WI
A manufacturer of die sets, mold bases, pins/bushings, three platen presses, cut and ground machined plate, fabrications and forging products. The VSR Process is used on stainless components, and low alloy steel plates.
TC/AMERICAN MONORAIL
Waite Park, MN
A manufacturer of monorail systems, laundry systems, standard cranes and aviation systems. The VSR Process is used to stabilize a variety of mild steel fabrications.
THREE-D METAL WORKS
Andrews, SC
A multi-facility full service fabrication and machine shop specializing in the steel making industries and sawmill facilities. The VSR Process was used on three, 21-ton lifting yokes to reduce production time and eliminate heat treating costs.
TRIALLIANCE FABRICATING
Mertztown, PA
A fabrication shop utilizing VSR Technology Group contract services to stress relieve 28,000 lb. trunnion bases fabricated of mild steel. The VSR Process was used twice on each base because of their unique geometry.
VOITH SIEMENS
York, PA
A manufacturer of hydropower equipment used in the power generation industry. The VSR Process was used on mild steel castings, which had suffered major cavitation problems, and required extensive weld repair with the addition of stainless plate.
WELDON SOLUTIONS
York, PA
A manufacturer of high precision CNC grinding systems which can be integrated with robotic automation and variable speed drives for a wide range of industrial applications. The VSR Process is used to eliminate the dimensional shifts experienced during machining of thermally treated components.