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Additional protection is recommended at the infeed of blow molding, extruding, molding and hot runner equipment, in particular. The Bunting® electronic LCS and Quicktron 03R Detector-Separators mounted on the five processing machines sense and separate all common metal contaminants, such as iron, stainless steel, brass, copper, tin, lead, and aluminum. Rearrange metals to suit column width. Fast reject mechanisms minimize the loss of good material.
For protection against metal contamination, Bunting® Grate Magnets can be placed inside supply hoppers, and FF Drawer Magnets can be mounted above feed throat openings. FF Drawers are ruggedly built, offer self-cleaning and many other options, and let operators visually monitor material flow.
The hot runner system is equipped with a Bunting® FF Double-Row Drawer Magnet and a Quicktron 03R Detector that rejects both ferrous and nonferrous fines down to 0.4 mm in diameter to keep gates metal free. The molding machine to its right is set up for Just-In-Time operation and features a Bunting® Torpedo Magnet suspended in the glass sight tube where its Rare Earth cartridge is in direct contact with the material flow.
The extruder uses the double-row FF Drawer Magnet mounted between the hopper and the extruder throat. If overall height is an issue, the Torpedo In-Line Magnet can mounted between the gaylord and the vacuum loader. A Bunting® Plate Housing Magnet can be used for material that is not normally free flowing and would not be captured by the FF Drawer Magnet. It has a very high flow capacity and is available in standard and pneumatically powered self-cleaning models. The LCS Detector provides the all-metal barrier.
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