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Machining This large-capacity vertical machining center can accommodate up to 5500-lb table load with 17��� between columns. Smaller and mid-range machines are available. Designed using 3D simulations and FEM analysis, leading machines are built for high structural rigidity, which can translate to quality product results and the elimination of hand-fitting of mold components. A vertical machining center for mold work should have a machine frame with a rigid bilateral gate structure, which firmly supports the X-axis drive and diverts load, vibration and heat from the upper section of the machine evenly throughout the frame. These features will help keep the feed drive stable after hours of operation. Also the short distance between the X-axis drive and the tool���s point of contact will be a plus for maintaining rigidity and for enhancing machining precision. Spindle = Speed An integral spindle will provide outstanding performance in high-precision machining with the reduction of noise, vibration and heat. Because the high-speed motor is mounted directly on the assembled spindle shaft, there are no parts for transmission of power, resulting in reduced noise and vibration, minimal power loss and improved cutting efficiency. 40 MoldMaking Technology March 2013 Acceleration/deceleration time may be reduced as a result of a compact integral spindle, contributing to improved cycle times and surface finishes. A high-performance spindle, which integrates oil-jet cooling and lubrication technology will ensure consistent quality results after hours of operation. The oil-jet cooling and lubrication system injects a jet of oil directly onto the spindle bearing for effective cooling. The motor and spindle assembly are jacket-cooled to limit displacement caused by heat. Temperature is thus stabilized in a short time. Software Suite Another important consideration is the available suite of mold machining software components, which can positively impact the safety and the work efficiency of your organization and the quality of your output. Thoughtfully designed machining software components will monitor different variables related to work environment and machining conditions then make adjustments for superior quality results and optimum machining efficiency. Software such as this would be specifically developed to increase thermal accuracy and machining performance. Tool load detection software provides real time measurement of tool load, ensuring consistent and safe machining. This software can ensure accuracy and performance by constantly monitoring tool damage and deterioration for prevention of complete tool failure that can cause workpiece damage. Such a system will measure tool load very frequently (e.g, every 8 msecs).