PIM International, Vol. 16 No. 2 June 2022

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The 108-page June 2022 issue of Powder Injection Moulding International (Vol. 16 No. 2) features over 45 pages of industry news, plus the following articles and technical reviews:

Frank Petzoldt on the past, present and future of Metal Injection Moulding technology

There can be few people in Europe’s MIM industry, if not further afield, who are unaware of Prof Dr Frank Petzoldt’s contribution to the development and promotion of the technology over more than three decades.

Following his recent retirement from the Fraunhofer Institute for Manufacturing Technology and Advanced Materials IFAM, Bremen, Germany, Dr Petzoldt spoke with Dr Georg Schlieper about the past, present and future of MIM technology and shares his insight into the industry in both Europe and worldwide.

Saturation in metal Binder Jetting: Simple in principle, complicated in practice?

As metal Binder Jetting (BJT) transitions from a technology for the future to a technology for now – and one that is increasingly being installed at Metal Injection Moulding producers around the world – one of the basics of the process that we can no longer avoid getting to grips with is saturation.

In this article, longtime metal Binder Jetting expert Dan Brunermer, from technology consultancy B-jetting LLC, explains saturation and how to measure it, considers voxels and DPI, and finally presents control options and how choices in controls affect saturation. 

Industry insight from the 2022 International Conference on Injection Molding of Metals, Ceramics and Carbides

In the programme of the 2022 International Conference on Injection Molding of Metals, Ceramics and Carbides (MIM2022), organised by the Metal Powder Industries Federation (MPIF) and held in West Palm Beach, Florida, USA, a number of presentations reported on innovations in both Metal Injection Moulding and the closely related sinter-based Additive Manufacturing process.

In this report, Dr Satya Banerjee, Bishoi Consulting Co. LLC, reviews his highlights from the conference programme.

Ceramics in new dimensions: Additive Manufacturing at CeramTec

No matter which market report you choose to believe, all recent analysis of the ceramic AM market points to major growth. But this is still an emerging technology, and in terms of its commercial development, ceramic AM is said to be five years behind metal AM. Now, as global manufacturers of high-performance ceramics enter the market, an even faster acceleration in technology adoption is promised.

Here, Claus Falkner, of CeramTec, a producer of technical ceramics by processes that include Ceramic Injection Moulding, explores the benefits of ceramic Binder Jetting and considers the process as a compelling solution for complex parts.

Understanding the carbon footprint of injection moulding machines

Arburg GmbH + Co KG, Lossburg, Germany, has been working intensively on sustainability and resource efficiency for a very long time. As the supplier of the widely used Allrounder line of injection moulding machines, the company is increasingly active in evaluating climate protection activities along the entire value chain for its customers.

On the basis of ISO TS 14067:2018 – a standard that defines a product’s greenhouse gas emissions or Product Carbon Footprint (PCF) – Bertram Stern, Sustainability Manager at Arburg, reports on how the PCF and specific energy requirements of Arburg injection moulding machines can be calculated.

The maths in the magic: Calculating the sintering shrinkage of MIM parts

Newcomers to Metal Injection Moulding never cease to be amazed when they see that green parts uniformly shrink during debinding and sintering into a finished part.

This calculated shrinkage, which is what enables products to conform to an engineer’s blueprints, can appear pretty magical. It is, of course, simply a matter of mathematical calculation.

In this article, Yau Hung, Chiou (Dr Q) and James Chao, from You neeD Technology Office, Taiwan, encourage you not be scared off by the mathematics and discover the calculations at the heart of MIM.

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