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• Tough machine structure
The bilateral gate structure in SIRIUS UL+ is the ideal design for distributing the vibration, the weight, and the heat throughout the entire frame. The machine is built through the finite element analysis to minimize the frame distortion which may be caused by machining condition or environment. The distance between the spindle and the body is designed short, so the machine stays stable after a prolonged operation.
• High-performance spindle design
The spindle integrates the motor to limit vibration, noise, and power loss at high speed rotation. The jet of oil is injected directly onto the spindle bearing for effective cooling, and the motor and the spindle assembly are jacket-cooled to limit the displacement caused by heat. To achieve greater precision, the spindle constantly monitors for possible thermal displacement and makes necessary adjustment in real time.
• High-precision feed drive
SIRIUS-UL+ provides powerful feed performance using the Z-axis 6-block LM guide. The servo motor is coupled directly to the drive; and while the tensile preload ball screws provide smooth operation, the roller linear guide allows for rapid feed.
• Environment-friendly water-oil separation
The fluid is separated naturally without a powered separation unit. This environment-friendly fluid separation system increases the life of the lubricant, while at the same time provides clean work environment.