Modern Machine Shop

AUG 2018

Modern Machine Shop is focused on all aspects of metalworking technology - Providing the new product technologies; process solutions; supplier listings; business management; networking; and event information that companies need to be competitive.

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MMS AUGUST 2018 152 mmsonline.com IMTS 2018 Milling Machines Machining Center Combines Five-Axis Milling with Laser AM Okuma America Corp.'s MU-8000V Laser EX multi- tasking machine combines five-axis machining with a Trumpf laser, providing both additive and subtractive manufacturing capabilities. It enables complete part produc- tion on one machine. The machine implements laser metal deposition (LMD) technology to provide users with the ability to cut parts of different sizes and shapes. LMD sup- plies powder from nozzles and performs laser melting and bonding to the parent material. This enables the combination of various types of materials, as well as three-dimensional fabrication and cladding. Variable control of laser spot diameters (from 0.4 to 8.5 mm) increases effi- ciency and resolution, accord- ing to the company. This com- bination of features enables mid-process part inspection and material exchange, coolant use in the work envelope and greater process speed. | Okuma America Corp. | South, Level 3, Booth 338500 Skiving Machines Offer Alternative to Gear Hobbing Although they operate similarly to large hobbing machines, Liebherr Gear Technology's LK series gear skiving machines are said to be more rigid and are equipped with more powerful spindles. To ensure the speed necessary for skiving, the table is direct-drive and works via automatic control. A clamping fixture links the workpiece and the machine. The series is supplied on a turnkey basis with indi- vidual clamping fixtures for each workpiece to ensure rigidity and contour accuracy. The LH GearTec control system contains mathemati- cal formulas for pressure angle corrections. This enables quality improvements via the kinematics of the series. The LK 300/500 machines feature the following capabilities: a module capacity of five, maximum gear- ing diameters of 300 and 500 mm, maximum workpiece diameter of 500 and 600 mm, maximum table speeds of 3,000 and 1,500 rpm, a maximum tool diameter of 250 mm, a maximum tool speed of 2,700 rpm, and a maxi- mum spindle output of 32 kW. | Liebherr Gear Technology and Automation Systems | North, Level 3, Booth 236914

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