Sensors & transducers


Improving sealing quality while maximising productivity in gas sensor manufacturing


When gas sensor manufacturer DD-Scientific wanted to improve the accuracy, repeatability, and productivity of an epoxy sealing process, it turned to adhesives specialist Intertronics. DD-Scientific now benefits from robot-mounted preeflow eco-DUO precision metering, mixing and dispensing systems, which save the company 23 days of staff time per year, while maintaining the high-quality the company’s products demand.


D


D-Scientific’s sensors are used in many different applications, from industrial gas safety to carbon


monoxide detectors for the home. Recently, the company has invested heavily in technology to ensure it is working productively and efficiently, while delivering high quality sensors. The company wanted to automate an epoxy sealing process - a vital step that prevents its sensors from leaking. The process was previously done by a team of staff, who mixed and applied the two-part material manually. The company got in touch with


Intertronics, who supplied the preeflow eco- DUO integrated with a Fisnar dispensing robot. This volumetric dispensing system uses the precision dispensing of the preeflow eco- PEN, by integrating two eco-PENs through a manifold and a static mixing nozzle. It provides extremely precise metering, mixing and dispensing of critical two-part materials, offering accuracy of ± one per cent, >99 per cent of the time. Automating the sealing


50 February 2022 Instrumentation Monthly


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