MoldMaking Technology

SEP 2018

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58 MoldMaking Technology —— SEPTEMBER 2018 Product Focus High-Speed Die/Mold Machine Fights Heat, Vibration Hwacheon's Sirius UL+ vertical die and mold mach- ining center features a 20,000-rpm, built-in motor spindle that provides high-speed cutting; a table size of 47.24" x 23.62"; and a travel range of 41.34" x 23.62" x 21.65" in the X, Y and Z axes, respectively. The machine frame, a rigid bilateral gate struc- ture, supports the X-axis drive. It diverts load, vibration and heat from the upper section of the machine. These features help to keep the feed drive stable after hours of operation. The short distance between the X-axis drive and the tool's point of contact helps to maintain rigidity and machine precision. The spindle uses the company's oil-jet lubrica- tion technology. The 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. Software components monitor variables related to work environment and machining conditions to improve efficiency and thermal accuracy. Tool Load Detect provides real-time measurement of tool load. High-Efficiency Contour Control, a user-friendly pro- gramming interface, offers custom contour con- trol. Cutting Feed Optimization uses an adaptive control method to regulate feed rates in real time. Frame Displacement Control uses thermal sensors to monitor and correct thermal displacement. Spindle Displacement Control monitors temperature at a number of points within the spindle assembly and predicts thermal displacement. Thermal Displacement Control integrates Spindle Displacement Control and Frame Displacement Control. Hwacheon Machinery America Inc. South, Level 3, Booth 338119 Control Interface Focuses on Digital Workflows The Celos control and user interface from DMG MORI creates a consistent ecosystem for digital production, according to the company. The inter- face focuses on digital workflows for adaptive pro- duction planning and integrated tool management. The interface's Open Connectivity feature enables network integration with machines from other manufacturers, technological areas and manual workstations. DMG MORI, South, Level 3, Booth 338900, North, Level 1, Booth 215114 Horizontal Jig Borer Designed for Extreme Precision Available from Methods Machine Tools, the Yasda YBM 7Ti five-axis CNC horizontal jig borer is designed for high precision in difficult-to-machine, heat-resistant materials like titanium and Inconel. The company says its rotary table design is more rigid than other varieties and provides ample room around the pallet. This facilitates smooth table movements and allows operators to get a closer and clearer view of parts. The 50-taper, 10,000-rpm spindle features a direct-drive system designed to keep forces away from the motor to maintain consistency and repeatability. Automatic adjustment of spindle bearing preload ensures an expansive application range. To absorb cutting forces and damp vibration, the machine features a 25-ton, H-shaped steel base. All axes have hand-scraped, hardened box guideways. Hardened, ground and lapped guideways enable feeds as fast as 48 m/min. According to the company, the mating faces of the guideways are approximately double the width of more traditional guideways. The machine has a large work envelope, with XYZ-axis travels measuring 49.2" x 39.4" x 43.3" (1,250 x 1,000 x 1,100 mm), a vertical rotation of 360 degrees and a horizontal rotation of ±110 degrees. A two-pallet system has 19.7" x 19.7" (500 x 500 mm) pallets for a maximum loading capacity of 1,102 lbs (500 kg) on each pallet. A six-station automatic pallet changer is also available. Methods Machine Tools Inc., South, Level 3, Booth 339119

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