Taking a data RISC: Design & Engineering
The VB53α VMC from OKK USA Corp. offers a variety of features aimed at minimizing vibration and maximizing accuracy.
By eliminating the risk of data starvation, the RISC processor added to a feature-rich vertical machining center makes it an even more attractive option for precision cutting applications.
Sold by Methods Machine Tools Inc. in Sudbury, Massachusetts, the VB53α VMC from OKK USA Corp. in Glendale Heights, Illinois, offers a variety of features aimed at minimizing vibration and maximizing accuracy for high-end die and mold components, as well as other precision applications.
The VB53α “is fully loaded for die/mold (machinists) or anybody else who wants to make very accurate parts,” said Bob Meier, technical product manager at Methods Machine Tools.
The VB53α is a compact machine with a footprint of 2,495 mm × 3,050 mm (98.2″×120.1″). The table work surface measures 1,260 mm × 600 mm (49.6″×23.6″) and has a load capacity of 1,200 kg (2,645.5 lbs.). Designed with operators in mind, he said the machine’s workspace requires 50% less reach to get to the workpiece and spindle than its predecessor does.
The VB53α is a high-accuracy VMC. Image courtesy of Methods Machine Tools
To improve part quality, the oil cooler is located externally.
“All OKK machines have chillers for thermal stability, but in this case it isn’t mounted to the machine,” Meier said. “It is sitting on the floor because chillers vibrate and you don’t want that in the machine.”
The machine offers x, y and z travel of 1,050 mm, 530 mm and 510 mm (41.3″, 20.9″ and 20.1″), respectively. Fine-pitch, high-resolution ballscrews for travel along the machine axes increase machining precision, as does a 0.05 µm resolution linear scale.
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