en.Wedoany.com Reported - Makino has introduced the V300 vertical machining center, an upgraded iteration of the V33i, of which over 7,000 units have been sold. The V300 improves machining accuracy from 2µm on the V33i to 1µm, enabling more stable high-precision and high-surface-quality machining, primarily targeting precision hard milling and ultra-hard material processing.
In terms of thermal control, the V300 has been comprehensively enhanced. The machine's ball screws, motors, and X/Y/Z full-axis sliding surfaces are equipped with a cooling system to suppress heat generation in the main body. The spindle shaft and sleeve feature cooling functions, and the bearings utilize internal pressure lubrication.
The V300 is equipped with eSTABILIZER (Intelligent Accuracy Stabilization Function), which enables high-precision control in conjunction with ambient temperature, delivering stable machining quality while achieving energy savings and process time reduction. An optional bed and column coolant circulation system further controls machine deformation caused by ambient temperature changes.
In actual machining tests, the height difference of the machined surface was controlled within ±1.5µm, and deformation in the X/Y/Z directions was kept within 2µm.
Regarding machined surface quality, the V300 employs Super GI.6 control, featuring 3D micro-block processing capability to achieve shape fidelity and uniform surface quality under high-speed cutting feeds. This control offers more machining modes and settings for different purposes.
Additionally, Super GI.6 adds Makino's proprietary GI smoothing function, which automatically adjusts the machined surface according to the machining mode to achieve a smooth effect.
The V300 has been optimized for operability: the front opening width is 810mm, and the area above the worktable is open. The tool magazine can be extended to the rear of the machine, with capacities of 20/40/60 tools.
Through multiple optimizations of the ATC and peripheral instrument layout, the V300 improves space utilization and production efficiency per unit area, and integrates various energy-saving technologies to conserve electricity.
The V300 vertical machining center will be showcased at the Makino booth (Booth No.: 3H08) at DMC 2026 from July 1 to July 4, 2026.
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