Last month, we asked our readers how they protect themselves and their staff when machining composite material. The answers suggest that there is a great variety of solutions, but as the number of respondents was too small (< 30), it is difficult to make any clear statements. Last months poll results: How do you protect…
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Author Archives: Eleanor
Hand drill training seminar in California
On April 4-5, the Sandvik Coromant Productivity Center in Cypress, California welcomed twenty aeronautical systems technicians and three manufacturing engineers from General Atomics for a composite hand drill training seminar. To allow for maximum utility of in-class lecture and hands-on training, the class was divided into four groups. Basic methodologies, procedures and concepts of manual…
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Composite for the automotive industry on the radar
Written on February 27, 2013 by Eleanor in Automotive, Composite Machining, General Composite Information
In Sheffield, we are working hard to understand the differences in machining composites for the automotive industry, compared with the aerospace industry. The requirements for machining are different (mainly due to the volume of production), as are the materials. We have seen that relatively small changes to the processing or materials used in the composites…
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Glossary update – resin types
Our glossary is continuously being updated with new words related to composite machining. In this update, I want to include more detail about the common resin types we see in the composites we machine, and how these affect the machinability. Contrary to what we might expect, we find that the resin property has a bigger…
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Welcome to the blogosphere, Composites World!
I was really happy to see the new Composites World blog! The Composites World team does a fantastic job of providing up to date information on developments in the industry generally and success stories for composites. The more we can share knowledge in this challenging and fast developing subject, the better for all of us. While…
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Hexcel receives Airbus supplier award
I was extremely happy to hear that Hexcel has received the silver award in the ‘best performer’ category at the recent Airbus Supply Chain and Quality Improvement Programme, held in Toulouse, France. To me, this demonstrates how important composite materials are in Airbus’ estimation. It also proves that the issues anticipated by some in increasing…
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Glossary update
Our online glossary is populated with a new set of definitions from the world of composites. As with the other entries, I have tried to concentrate more on the impact of the features described on the machinability, rather than just give a description of them. I have also added a couple of machining terms such…
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UK Government grants National Composites Centre funds for Phase II
We were very happy to hear about the investment in the National Composites Centre in the UK (Bristol). This investment demonstrates the level of confidence that composites will play a growing role in manufacturing both in the UK and globally. Chancellor George Osborne announced an investment of £28 million British pounds ($45 million US dollars)…
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Reduction in dynamic friction in composite material
We got an interesting question from a reader about cutting forces that we want to share. Eleanor Merson, Research & Development Manager at Sandvik Coromant in Sheffield, gives her view on cutting parameters and thrust forces. Question: It has been widely speculated that at higher cutting speeds in drilling of composites, cutting forces are relatively lower…
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Common terminology
How do we distinguish between splintering and delamination? What does the acronym BMI stand for? And what does quasi-isotropic really mean? In our specific corner of the manufacturing and machining world, we have a lot of lingo that can sometimes confuse the uninitiated. It even confuses us sometimes. With that consideration in mind, we are…
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