High-Speed VMC Suited for Graphite Machining

Hwacheon Machinery America’s Hi-M G1 VMC is specially designed to cut graphite, including dry cutting graphite electrode material used in die mold work.

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Hwacheon Machinery America’s Hi-M G1 VMC is specially designed to cut graphite, including dry cutting graphite electrode material used in die mold work. Its rigid yet compact structure and wide LM guides for XYZ axes are said to ensure accuracy.

The machine features a 24,000-rpm spindle integrated with a high-power motor for high-speed operation. There are no parts to transfer power between the motor and the spindle, minimizing vibration, noise and power loss during high-speed rotation. In addition, a bearing grease lubrication system and synchronous temperature control decreases the influence of external temperature variation and improves smoothness, the company says.

Other features include a dust collection system, spindle coolant system, HSK–E40 spindle taper, 29.52" × 23.62" table with 881.84-lb load capacity, 16-tool automatic toolchanger and Siemens 828D controller. The 10,582-lb machine’s footprint is 83.26" × 87.8" and the dust collector measures 38.18" × 38.18".

The company also will display the Sirius-UL+ VMC, which features a high-performance 20,000-rpm spindle that integrates the company’s Oil-Jet Cooling technology, ensuring consistent quality results after hours of continued operation. The machine also features a symmetric structure with a bridge-type column for stability and rigidity, the company’s Intelligent Machining software package, and a FANUC 31i-B control.

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