MoldMaking Technology

JUL 2018

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to 9 moldmakingtechnology.com 93 Machining Pages 73 to 94 Pallet Changer Increases Productivity of Grinder by Improving Spindle Runtime The CVG series vertical universal cylindrical grinding machine with an optional pallet changer from Taiyo Koki Grinding Machine Company, a DMG MORI com- pany, is available in three different part-swing diameter sizes: 25.5", 37.5" and 53". The machine is able to grind OD/ID and faces all-in-one part chucking with guaranteed machine roundness accuracy of less than .00004". The machine has opposing twin wheel spindles. One is a larger, heavy-duty spindle dedicated to OD and face grinding that uses a 14" diameter wheel, and the other spindle is used primarily for ID and face grinding. Both grinding spindles are high-frequency. The optional pallet changer increases productivity by improving the spindle runtime. Parts can be loaded onto a fixture outside of the machine while the machine is running. Machinists can add an available part-clocking station with a dummy spindle, which enables parts to be rotated and "clocked-in" at the part- loading station. Machinists can run multiple jobs simultaneously by registering and setting different workpieces outside of the machine, which automatically selects programs and tooling for a different workpiece. Being able to run dif- ferent jobs through the machine at the same time improves productivity and throughput. DMG MORI / 847-593-5400 / dmgmori.com ATC Provides Ample Workpiece Storage for Unmanned Operation of Machine Mazak's Variaxis i-300 five-axis vertical machining center is more flexible and efficient with the addition of a high-capacity Auto Work Changer (AWC). Mazak designed the Variaxis i-300 AWC for automated small- to medium-size part-processing operations and for machining aluminum and other nonferrous metals for a wide variety of industries, including aerospace, medical and auto- motive. The machine comes standard with a multiple drum-tool storage sys- tem that holds as many as 145 tools, while the 32-position AWC accommodates workpieces up to 13.779" in diameter, 12.401" in height and weighing as much as 135 lbs. This combination of ample tool and workpiece storage capacities enables shops to achieve continuous unmanned operation and single-setup, done-in-one processing. As production needs increase, shops can expand the AWC and tool storage capacities to 40 workpieces and 505 tools (in increments of 60 tools), respectively. Mazak Corp. / 859-342-1700 / mazakusa.com Deep-Hole Drilling and Milling Machines Streamline Moldmaking Unisig's USC and USC-M Series machines combine deep-hole drilling and mill- ing capabilities, which the company says enable mold shops to reduce setup time, increase accuracy and eliminate mold design restrictions. The USC Series column-type machines generate highly accurate holes ranging to 1.5" in diam- eter in large workpieces. They are available in table-weight capacities ranging to 50 tons and are suitable for mold plates and frack pumps. These machines enable the processing of large and small parts with four- sided machining capability in a single setup. The USC-M series machines use two independent spindles for gundrilling and BTA drilling and another CAT 50 machining spindle. When this additional capability is combined with a rotary workpiece table and programmable headstock inclination, accurate deep-hole drilling and all standard high-performance machining capabilities are avail- able within the working envelope. The seven axes of control on the M-Series machines use the B, A, X, Y and Z axes for five-axis machining operations, the W axis for the combined gundrilling and BTA deep-hole drilling spindle and the U axis for machining. This provides 3+2 machining to make deep-hole drilling and machining of compound angles faster. Unisig Deep Hole Drilling Systems / 414-252-3802 / unisig.com

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