AGRICULTURE
With VISI programs running their high speed milling on Röder, and F3 and F5 Makino machining centres, the challenges posed by the medical industry requiring very fine micro levels, are readily overcome. “We use high-end 42,000 rpm spindle speed for very small detail finishing, and cut our electrodes on the Makino F3, with high definition being done on the F5. And we can also machine a cavity in just one night, that would otherwise take a week. Using VISI Machining we can quickly produce a highly polished medical part with fine detail, a milled finish, and a split line within micron accuracy.”
VISI also powers Alpha Precision’s EDM Charmilles machines for spark eroding, and Mitsubishi wire eroders. He says parts of the tool will have been cut on each of the machines, and when it’s ready for shipping it is a very fine-micron, accurately controlled finished tool for, typically, the medical or automotive industry.
Having invested in many VISI modules including Modelling, Analysis, Flow, Mould, Progress, the wire cutting and electrode systems, along with 2D Milling, 3D Milling and High Speed Milling, the software is used at every stage of their process, beginning with providing an accurate quotation for the customer. “We use VISI’s analytical tools to check the drafts and all the different features we’ll need to build into the mould, such as the core and side pieces.
“When the order’s been placed, we work closely with our customer’s moulders on the design concept, including flow analysis and tool layout. Once the 2D design is broken down and we have the tooling in full 3D we really begin to see the huge power of VISI, which controls everything from design, through milling to wiring in one environment. Because we’re not going across translators there’s a perfect understanding within the technology, taking it right through every stage.”
Combining VISI’s Compass technology with its 2D and 3D milling capability, all milling for hard prepping and high speed finishing is handled quickly and accurately, which he says is vital to their operation. “We make a lot of one-off custom components for each mould, meaning we only run a program once. As pattern cutters we need to be very good at generating CNC code time after time, and VISI is exceptional at doing that job for us.”
Although injection mould tools form Alpha Precision’s core business, they also provide a blow moulding and forming tool service, and have experience in specialised press tooling. But Brendan Feely concludes by saying they are currently embarking on an exciting new journey, working closely with one of their major customers on injection rubber.
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