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Electrochemical and MDP™ (Molecular Decomposition Process) Cut-off and Grinding Wheels.

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Molecular Decomposition Process® (MDP) Grinding Technology


Molecular Decomposition Process® (MDP) grinding technology provides burr-free, heat-free grinding eliminating secondary operations and achieving a surface finish of less than 1Ra µ on very hard materials.

Burr-free. Heat-free. Superior Surface Finishing. Sub-micron Tolerances.

MDP is the world's most advanced grinding technology developed for the most efficient removal or cutting of any conductive material using an electrochemical action with an abrasive assist. No other method of grinding or cutting can compare in performance with speed, precision, repeatable accuracy, and clean operation.

Advanced Electrochemical Grinding

How the Process Works - During Molecular Decomposition Process (MDP), an electric current flows between the negatively charged abrasive wheel and the positively charged workpiece through an electrolyte (saline) solution. A decomposing action occurs causing the material surface to oxidize. This oxidized surface is then removed by the specially formulated abrasives in the wheel exposing more material and repeating the cycle.

Molecular Decomposition Process (MDP) Applications:

Burr-free / Heat-free Grinding and Cutting
MDP grinding technology eliminates secondary operations such as electro polishing, micro blasting, and deburring. This revolutionary process does not generate heat (thermals) or cause internal stress and distortion in the material being processed thereby preserving the integrity of the metallurugical microstructure. Ideal for grinding surgical needles, sharps, razor blades, and other consumer or industrial products where surface finish and dimensional stability are important factors.

Surface Finishing
Capable of providing a surface finish of less than 1 RA on very hard materials with no recast layer as associated with other technologies such as EDM. Suitable for many applications requiring a surface that is free of micro cracks and fissures or other highly polished weight bearing and articulating surfaces and especially effective on dissimilar material combinations.

Precision Grinding
Molecular Decomposition Process (MDP) is an advanced form of electrochemical grinding that can easily achieve precision tolerances held to ±0.0005". Sub-micron tolerances have also been achieved with required development.

Powerful Yet Gentle

Able to cut any conductive material 80% faster than conventional methods and is especially effective on super-alloys and exotic metals such as nitinol. Gentle enough to grind thin-walled components without damage or distortion. Works well with tubing, rapid cut-off needs, or precision grinding of complex features.

Biocompatible and Environmentally Friendly

The electrolyte is a simple salt compound that easily mixes with tap water. When used with Oberg's unique filtration methods, electrolyte life is extended with the omission of hexavalent chrome.

Can Be Used With a Variety of Conductive Materials

  • Aluminum
  • Beryllium copper
  • Cobalt chrome
  • Copper
  • Inconel
  • Iridium
  • Molybdenum
  • Nickel
  • Nitinol
  • Platinum
  • Rhenium
  • Single crystal alloys
  • Stainless steel
  • Titanium
  • Titanium carbide
  • Tungsten carbide
  • Zirconium
  • Other conductive ceramics and plastics

Technical Service and Support

Oberg also provides part production support as well as fixturing and dedicated systems for your particular product needs.

Schedule an MDP Technology Forum for your engineering and manufacturing groups. Areas reviewed include:

  • Applied testing
  • How Molecular Decomposition Process (MDP) works
  • Benefits of Molecular Decomposition Process (MDP) Grinding
  • Question and answer session

For more information, please call 1-800-421-4025.