VERTICAL MACHINING CENTERS
An impeller part for a jet fuel pump or auxiliary power unit is being produced on Mitsui Seiki’s Vertex 55X II VMC with an ultra high accuracy capability option. Users can gain signifi cant production improvements eliminating the traditional machine “warm up” time for very demanding precision jobs.
Basic VMC Platform is a Proven Workhorse
VMCs have had a productive past, present and the future looks promising
Jim Lorincz Senior Editor
T
he iconic three-axis vertical machining center ranks right up there with the two-axis CNC lathe as one of the two fundamental building blocks of any machine shop. Or quite possibly every start up in a garage where the fl edg- ling shop owner is machining parts by night while holding down a day job. In their most basic confi guration, these single-table ma- chines with automatic tool changers (ATC) typically hold a mini- mum number of tools, enough to machine large, fl at workpieces that require basic milling and drilling operations. Machining more complex workpieces calls for more tools, pallet changers, and other time and labor-saving devices. Pallet changers for VMCs in both automated (APC) and manual styles are able to match operator setup time to production requirements. In fact, it would be diffi cult to visit any shop with the latest CNC technology and not see tucked away in some out-of-the-way place, older legacy bare bones VMCs with familiar nameplates still fi lling a much needed secondary machining function for their employers.
June 2016 |
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