Tools

 Thursday, 15 November, 2018

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DMD Technology

 
 
 

Direct Metal Deposition (DMD®) can manufacture, remanufacture, reconfigure, repair and restore parts directly from art (computer aided design – CAD). It also can extend the lives of components by applying wear and/or corrosion resistant coatings. Unlike conventional plating or coating, DMD is capable of processing medium to large size parts with multiple materials, which provides a significant competitive advantage over other additive metal manufacturing (AMM) technologies such as DMLS and EBM.

DMD is not limited to being a few microns thick, but can be from microns to mm thick, depending on project requirements. It’s a user-defined alloy layer with a metallurgical bond to steel or other metallic substrates. DMD routinely deposits a variety of super-alloys as a hardfacing material to forging, stamping, trimming dies, cutting products and more.

This innovative, patented approach to tool construction increases the service life of perishable tooling by as much as eight times that of conventionally fabricated products. Similar applications for corrosion-resistant coatings are possible in the chemical or defense industries. Closed Loop control means a low heat affected zone with minimal distortion. This plays a major role in maintaining the dimensional stability and structural integrity of remanufactured parts, while providing a strong metallurgical bond.

The advantages of DMD® are that it creates near net shape and controls heat input, which reduces post processing of the product. DMD® also allows us to monitor and control the height and temperature of the melt pool. A pyrometer monitors (in real time) melt pool temperature which allows for consistency and is critical when depositing dissimilar or bimetallic metals. Additionally, it controls the dilution of substrates, even though the deposited material and substrate material may have very different melting temperatures.

Over the years, DMD® technology has received numerous awards and accolades as a premier additive metal process. DMD® was the 2001 PACE Award winner for its innovative technology in direct metal deposition relating to automotive tools and dies. The prestigious award was the first time that a company received recognition from the automotive industry for mold restoration. Since that time, this unique and remarkable technology has continuously been improved and enhanced to remain the leader in the area of additive metal and 3D processing of components and parts.

Awards
 
 
 
 
 
 

DM3D's patented and innovative technology is commercially proven for repair, restoration and reconfiguration applications, as well as additive metal changes to production tools and parts. DM3D has significant intangible IP assets consisting of over twenty (20) issued domestic and foreign patents with additional patents pending (all within the Additive Metal & Digital Manufacturing environment). DM3D’s closed loop optical feedback patent produces three dimensional (3D), unmanned, laser based, powder metal fusion which produces a fully dense metal product in a variety of powder or wire metals or specialty metals.

DM3D has developed proprietary software such DMDCAM and DMD Vision to assist with the fabrication of parts and components. DMDCAM is a comprehensive, 6-axis CAM software developed jointly with Tata Consulting Services (TCS) that generates deposition paths for contour, surface and volume geometry. 

DM3D has many trade secrets as a result of developing this proprietary technology and commercializing various applications over a 10+ year period, all while improving and enhancing this remarkable technology. DM3D has many proprietary recipes and coatings which are used in hardfacing applications and the remanufacturing of parts. Additionally, years of first-hand knowledge, as well as hundreds of Research and Development projects, provide a knowledge base and wealth of information beyond compare from any other additive metal manufacturing (AMM) company in the market today.

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