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Global research and development in powder injection moulding - China Medical Device Mould by he ni
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Global research and development in powder injection moulding - China Medical Device Mould by HE NI
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| Article Posted: 11/25/2012 |
| Article Views: 201 |
| Articles Written: 1145 - MORE ARTICLES FROM THIS AUTHOR |
| Word Count: 600 |
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Global research and development in powder injection moulding - China Medical Device Mould |
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Business,Business News,Business Opportunities
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Introduction Sustained research and development activity is critical to thefuture prosperity of the global PIM industry. Professor RandallGerman compares past and current levels of activity and identifieswhere the focus of attention now lies. The overall powder injection moulding industry has been profitablefor about 15 years. The progression into financially viability wasbuilt on research and development efforts performed during the1970s and 1980s. Like with other technologies, R&D is a leadingindicator for commercial success.
By capturing the current PIMR&D effort we can project future commercial trends. In thisanalysis, shifts in geography, materials, and component sizesbecome evident. In Asia, the R&D effort is focused ondeveloping standard materials, designs, and applications. In theUSA and Europe, much of the R&D effort is on titanium andtungsten, smaller devices, computer simulations to improvepredictive capabilities, and medical applications. Currently,global PIM R&D relies on about 225 researchers using over $40million in installed equipment.
For 2007, the PIM R&D communityplans to spend up to $19 million on new equipment. About 40% ofthat will be at universities, 35% at independent researchoperations, and 25% at industry. Profiling R&D trends Powder injection moulding (PIM) is following a path similar to thattaken by traditional powder metallurgy. Both showed slow initialgrowth followed by a spurt of rapid growth with ensuing highprofits. As scientific principles were discovered and applied bythe early 1990s, PIM became stable, predictable, and profitable.More recently sales growth has slowed since gains anticipated inlarge markets, such as automotive, have been slow to mature, whilethe commercial competition has become global.
It seems typical toboth .... Further sections of this article include: - Profiling R&D trends - Metrics of R&D growth - New directions for PIM - Conclusions Figures and Tables: Fig. 1 A scanning electron micrograph of the high pressure wateratomized stainless steel powder. It is a lower cost option designedfor PIM applications Fig. 2 An example of a poor packing powder that is used in PIMbecause of its low cost, but this titanium powder is difficult tomould because of the particle shape Fig.
3 A polished cross-section through a high pressure wateratomised stainless steel powder showing how the particles are dense Fig. 4 A picture of a model high packing density particle with anelongated shape which would be ideal for moulding Fig. 5 A typical hard shell chocolate candy that has the desirableaspect ratio sought for PIM powders Fig. 6 Cracks in sintered PIM components resulting from improperfeedstock design, showing a cell phone vibrator weight and analumina jetting plate Fig. 7 Birdshot is one of the highest production items by PIM.
Thefeedstock is self-mixed for this application Fig. 8 A high volume cell phone component which relies onself-mixed feedstock Fig. 9 Small orthodontic components showing the size range thatappears to be the growth direction for PIM Fig. 10 An example of a small medical biopsy component fabricatedby PIM with features in the 100 micrometer size range (this deviceis 8 mm in length and 0.1 mm thick) Table 1 Weight Percent Binder for 60 vol. % Solids Loading withDifferent Powders Table 2 Examples of PIM Stainless Steel Powders Table 3 Attributes Associated with a PIM Powder Table 4 Key attributes for PIM binders.
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