Abstract
This article analyses systems to treat spent machining fluids, which improve productivity by cutting downtime and extending performance life. Machine tool operators are extending the life of their grinding wheels as much as 10 times by processing spent machining coolants with Hydroflow's Star Filter system. Hydroflow Inc., Salem, NH, markets a vacuum-based Star Filter system that provides a large filter area in a relatively small space for industrial applications requiring high flow rate filtration. Hydroflow's engineers designed the Star Filter to compete with rotary drum vacuum filters, which also provide large filter areas in compact space. Machining line operators use the Star Filter as a standalone, central filtration system. Either Hydroflow or the local contractor connects the system to machine tools so the used fluid will pass through baffles in the Star Filter that reduce the fluid's velocity. The successful inaugural installation of the small-scale HTF system at Twin City has opened opportunities for the filtration system in other die casting facilities.
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