Trelleborg Unveils Technical Revolution in Two-Colored LSR Manufacturing
Resource from: CBCC Likes:144
Nov 28,2014
Trelleborg Sealing Solutions has achieved a technical breakthrough in the injection of colored liquid silicone rubber components. Utilizing an innovative proprietary tool construction, the manufacturer now has the capability to add color pigment to part of the silicone material stream just prior to its injection into the tool cavity. In this way, Trelleborg Sealing Solutions is able to produce two-colored liquid silicone rubber (LSR) components in a single shot, from a single tool.
Ursula Nollenberger, Product Line Director for LSR Components at Trelleborg Sealing Solutions, says: “Our first application of this revolutionary technology is for a leading automotive tier-one supplier. The company was looking for a solution to visually differentiate geometrically identical parts that Trelleborg produces off a single tool for various vehicle platforms, without impacting the overall aesthetics of the finished product. This new process offered an ideal solution that was both practical and cost-effective.”
Product traceability
Jarno Burkhardt, General Manager of the Trelleborg Sealing Solutions European center of excellence for LSR component solutions in Stein am Rhein, Switzerland, comments: “The advantage of the two-colored LSR components to our customer, as well as to the original equipment manufacturer they supply, is that it gives, without adding significant extra cost, product traceability. The beauty of the novel tool design is that it will allow an unlimited number of color combinations from a single machine, in a single tool and in one single shot.”
The process involves the two components of LSR raw material being mixed in a ratio of 1:1. On the way into the injection tool, this homogenous mass is then divided. Color is added via an additional mixing unit to one part of the volume stream and injected into the tool cavity via a proprietary valve design. Simultaneously, the colorless material is being injected via a second stream.
Potentially lowering costs
“Expertise in tool design is fundamental to our core competences within Trelleborg Sealing Solutions,” emphasizes Jarno. “Developing the two-color process required additional considerations during the design and construction of the tool to make sure the flow of the clear and the colored material portions must be kept strictly separated.
“The extra efforts though paid off as conventional and alternative methods would have involved much more complex and expensive tooling or multi-barrel injection machine technology. The new method from Trelleborg Sealing Solutions opens up new possibilities, potenitally at significantly lower costs.”
(CBCC)
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1.The news above mentioned with detailed source are from internet.We are trying our best to assure they are accurate ,timely and safe so as to let bearing users and sellers read more related info.However, it doesn't mean we agree with any point of view referred in above contents and we are not responsible for the authenticity. If you want to publish the news,please note the source and you will be legally responsible for the news published.
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