September 5, 2012
The G7 i Grinder five-axis horizontal machining center from Makino is a single-platform system for grinding, drilling, and milling of aerospace blades, vanes, and turbine discs. It also helps simplify the manufacturing process with NC intermittent dress.
The machine employs a 12,000-RPM HSK-63A spindle that can handle tough-to-cut materials such as INCONEL® alloys. It provides X-, Y-, and Z-axis travel of 27.17 by 25.59 by 28.74 in., respectively, accommodating workpieces with a maximum diameter of 21.06 in. This enables machining of larger parts, such as super-heat-resistant jet engine parts, curvic couplings, and vanes. Infinite C-axis rotation and maximum B-axis rotation of 270 degrees offer full access to 3-D parts for single-setup production capabilities.
A two-axis, programmable coolant nozzle lets the machine accommodate variations in wheel diameter and changes in cutting direction while maintaining suitable coolant flushing conditions.
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