PIM International, Vol. 8 No. 1 March 2014


 

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In addition to 30 pages of news from the metal and ceramic injection moulding industry, the 80 page March 2014 issue of Powder Injection Moulding International (Vol.8 No.1) includes the following articles and special features:

 

Powder Injection Molding in the dental sector: From orthodontic components to implants

The dental sector has for many decades been an important market for the PIM industry, driven initially by the production of small orthodontic brackets. These brackets, often weighing as little as 0.02 g, today account for around 16% of global MIM sales by value. As Prof Randall German, San Diego State University, USA, explains, significant opportunities remain not only in the orthodontics brackets business, but also in the development of metal and ceramic dental implants and dental hand tools.

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Ortho Organizers: A global leader in the development and manufacture of MIM orthodontic products

Ortho Organizers, Inc., based in Carlsbad, California, USA, provides a wide range of orthodontic products to the worldwide dental market. A part of the orthodontic portfolio of Henry Schein, Inc., Ortho Organizers’ in-house MIM operation has since 1996 enabled the company to remain at the forefront of the manufacture of innovative and complex orthodontic products. Prof Randall German, San Diego State University, recently toured its MIM facility with a group of PIM Design students and reports on the development and use of MIM at the company.

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An introduction to the Hot Isostatic Pressing (HIP) of MIM components

Whilst Metal Injection Moulding can achieve sintered part densities that are significantly higher than conventional Powder Metallurgy products, there are a number of advantages to achieving full density in a MIM part. As Dr Stephen J Mashl explains, using HIP to achieve full density MIM products can improve mechanical properties, assure a higher quality of surface finish for polished and electroplated applications and offer greater peace of mind for medical device manufacturers. There are, however, a number of considerations to bear in mind when planning the HIPing of MIM parts.

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Centorr Vacuum Industries: Celebrating 60 years of innovation in vacuum furnace production

Centorr Vacuum Industries is one of North America’s largest manufacturers of standardised and custom high temperature vacuum furnaces and the company has supplied furnaces to the MIM industry for nearly 30 years. During this period the company’s product range has continued to evolve as MIM has transformed into a dynamic global industry. Nick Williams interviewed Centorr’s Bill Nareski and Scott Robinson and reports on the company’s history, its long association with the MIM industry and the unique perspective that the company can offer on technical and commercial developments.

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APMA 2013 conference: Advances in MIM applications and materials presented in Xiamen

APMA 2013, the 2nd International Conference on Powder Metallurgy in Asia, took place in Xiamen, China, November 3-6, 2013. This, the second conference to be endorsed by the Asian Powder Metallurgy Association (APMA), has helped to firmly establish this conference series as important international events to match Europe’s EuroPM and North America’s PowderMet conferences. Lin Dongguo and Seong Jin Park, from Pohang University of Science and Technology (POSTECH), Korea, report on a number of presentations relating to MIM applications and materials.

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Advances in PIM process simulation speed up the development of micro parts

Simulation technology for the Powder Injection Moulding (PIM) process has advanced rapidly in recent years, with software now tailored specifically to modelling the injection moulding of PIM feedstock. In this report Jochen Heneka and Tobias Müller, Karlsruhe Institute of Technology (KIT), Germany, and Dr Marco Thornagel and Dr Laura Florez, SIGMA Engineering GmbH, Germany, present an overview of the most important developments for the simulation of PIM applications along with a case study illustrating how effectively simulation can support mould design and quality control in micro-PIM applications.

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The structure and performance of WC-10%Co Cemented Carbide inserts made by PIM

Powder Injection Moulding (PIM) is a very important Powder Metallurgy (PM) forming method that can meet the precision requirements for the manufacture of complex shaped cutting tool inserts. PIM processing imparts less deformation and is suitable for the manufacture of complex shaped parts. This paper investigates the structure and performance of WC-10%Co cemented carbide cutting tool inserts made by PIM. The performance of PIM products is affected by both the binder and the debinding process during manufacturing. By adding a special polymer binder, which comprised PW, oil, DOP, HDPE, EVA etc., mixed together with powder, inserts were manufactured by injection moulding. The solvent and thermal debinding processes were analysed. By adapting and optimising the debinding and sintering processes, high quality inserts were produced. Cutting test results indicate that the lifetime of the inserts after Physical Vapour Deposition (PVD) coating is better for those made by PIM than those made by conventional die compaction.

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As well as an extensive MIM and CIM industry news section, this 104-page issue includes the following exclusive articles and reports:

  • Threat or opportunity? The MIM industry as a partner, a target and a market for metal AM
  • WORLDPM2018 Congress: Global MIM markets show healthy growth
  • Ceramic Injection Moulding and Ceramic Additive Manufacturing side by side: Opportunities and challenges
  • Euro PM2018: Innovations in Metal Injection Moulding highlighted in Bilbao
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