Machining Centers & Cells
mm (H) with axis travels of 1000 × 1100 × 1170 mm, table load capacity of 1500 kg while utilizing some of the highest rapid positioning rates in its size class. “The new G750, which was introduced at EMO 2013, can handle large workpieces for applications like moldmaking, aircraft parts, and general engineering,” said William Vejnovic, vice president. “Basically, GROB took their proven HMC platform, which had dominated the automotive industry, and created a new model to serve industries also demanding high precision and reliability, but in lower volumes,” said Vejnovic.
“GROB G series machines are different from other fi ve-axis machines by their compactness that gives the end user a smaller footprint and large work cylinder, while supporting up to 500-mm long tools with no interference between the largest part and the longest tool throughput of the fi ve-axis work envelope,” said Ve- jnovic. “Also a full fi fth-axis capability of full work cylinder × 835 mm (H), allows the part and table to be fully inverted for machin- ing upside down so chips just fall away from the part.”
The G750 was shown as a milling and turning machine at EMO in versions with and without pallet changer. In the milling/turning version with the HSK-T100 interface, the motor spindle delivers 306 N•m and can be used for turning. For a maximum workpiece diameter of 1280 mm, the turntable will allow a maximum speed of 500 rpm and generates a drive torque of maximum 4050 N•m. The fi rst machines in GROB’s line of stand-alone universal machining centers were the G350 and G550, both of which were shown at EMO with design improvements to NC axis acceleration, the addition of a nonwearing torque motor to the A axis, and the incorporation of dual Y-axis ballscrews and drives located as close to the spindle gage line as possible for improved static and dynamic rigidity.
Energy Poses Diffi cult-to-Machine Metals Challenge “We approach many different markets trying to come up with better processes,” said Tim Leoni of Toyoda Machinery
Coolant and Oil Fluid Management Tools
FILTER FINE GRINDING SOLIDS WITH AUTOMATIC AND MANUAL CENTRIFUGES
Start with better filtration, improve product finishes and tool life, and reduce coolant costs.
RECYCLE COOLANTS AND OILS
Cut costs and increase productivity with the Freddy EcoVac sump cleaner and TOS Tramp Oil Separator.
RECLAIM, RECYCLE, DISCHARGE
Ultrafiltration technology, separate water from oily waste water. Systems sized from 100-3,000 gal/day.
23 Walpole Park South Walpole, MA 02081-2558
T 508-660-9150 •
sales@sanborntechnologies.com www.sanborntechnologies.com
IMTS BOOTH N-7538 SEE THE DEMOS AND MEET THE EXPERTS! 80
ManufacturingEngineeringMedia.com | July 2014
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