MATERIALS | TESTING
and saves space in a crowded lab. These new electronics offer a user interface that follows the logical layout of ZwickRoell’s testXpert III software, with relevant parameters, operator inputs, and results grouped for fast and easy access.”
Tracking contaminants Contamination can also be a problem in com- pounding applications. Sikora’s Purity Scanner Advanced online inspection and sorting system combines an X-ray scanner with up to three optical cameras. X-rays make it possible to detect metal inclusions with a size down to 50 µm in the raw material, while black specks and colour deviations are detected by the optical cameras. Integrated software provides the operator with a
statistical evaluation providing detailed information about the size, area, and number of the detected contaminants during production. In addition, impurity data can be saved in an image gallery. “Due to continuously increasing
quality requirements of plastic processors, the demand for online inspection and sorting systems will further grow,” says the company. “New tooling technologies as well as ever decreasing cross sections in [hot runner systems] set higher criteria regarding the raw material to be processed.” The company claims that these higher quality require- ments can only be fulfilled using future-oriented technolo- gies such as the Purity Scanner Advanced. “By using the system, repairs and follow-up costs can be avoided and costs for ma- chines and personnel as well as down times and scrap can be significantly reduced,” it says.
Left: Sikora’s Purity Scanner technology detects a wide variety of contaminants in polymer pellets
Sikora also supplies offline systems to inspect and analyse smaller amounts of pellets randomly, for example after they have been sorted out by the Purity Scanner Advanced. ITW group company Buehler says its new Wilson RH2150 hardness tester is an appropriate solution for a large range of applications in quality control and research environments, including plastics (the RH2150 can be used for ISO 2039 ball indentation testing of hardness of plastic materials). The company says the equipment is based on its
well-proven RB2000 concept but incorporates a number of newly developed functions. Buehler says a new user interface, advanced statistical calculations, result graphing, and easy test pro- grammability all help to optimise testing processes.
CLICK ON THE LINKS FOR MORE INFORMATION: �
www.labscubed.com �
www.fire-testing.com �
www.lacerta-technology.com �
www.netzsch.com �
www.perkinelmer.com �
www.tainstruments.com �
www.zwickroell.com �
www.buehler.com
Left: Buehler’s
Wilson RH2150 can test plastic hardness to ISO 2039
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IMAGE: SIKORA
IMAGE: BUEHLER
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