“There’s a fi lm of oil for shock absorption,” Hillard explains. “You don’t have to worry about bearings and guideways being damaged.”
The direct-drive workhead has an infi nitely variable spindle speed from 1 to 500 rpm (with Heiden- hain control) with a maximum weight capacity of 750 Nm / 300 kg (660 lbs) with an option of ±60 second micro-cor- rection for easy adjustment of cylindricity. The new workhead allows heavy parts to be quickly and precisely accelerated and braked with zero backlash during bidirectional move- ments for increased productivity. A large spectrum of parts and a wide range of geometries can be processed using combinations of cylindrical grinding, OD and ID out-of-round grinding, thread grinding and jig grinding all in one setup. Advanced C-axis (ultra-high resolution) operation allows precise grinding of grooves and satellite and centering bores. Hardinge fi nds many of the end users of the Kellenberger Kel-Varia are in the container mold business. The Kel-Varia can now deliver parts up to 24" (610 mm) in diameter. Previously, 18" (457 mm) was the limit. The weight limit also has doubled to 550 lb (250
Want More Information? Anca Inc.
Ph: 248-926-4466
Web site:
www.anca.com Hardinge Inc.
Ph: 800-843-8801
Web site:
www.hardingeus.com Rollomatic
Ph: 847-281-8550 Web site:
www.rollomaticsa.com
United Grinding Technologies Ph: 937-859-1975
Web site:
www.grinding.com
kg). Previously, these bigger molds would have endured “days upon days of fi nish polishing,” Hillard said. But now, “We can eliminate a lot of steps and tons of man hours of hand-polish- ing the mating parts.” ME
THE HOT RODS OF CUTOFF LATHES Follow us on
Type in MMTco
FEATURES:
• Two Axis Slide • High Torque Digital Drive • Menu Prompted Touch Screen • Digital Read Out or Servo Positioned • Heavy Duty Stock Stops
Cut to the Finish
Modern Machine Tool has been building cutoff lathe machines for almost a century. Our lathes have evolved over the years into a completely automatic operation—from feed- ing to cutting to finishing. Our compact cast iron slide unit offers rigidity with the speed and serviceability of linear technology. The precision ground, ball-screw driven slides with high torque digital drives provide easy set up and increased tool life. An optional two axis servo slide is available for simple turning, boring and drilling operations. These systems can handle material .25” to 8”. Call us today and find out how speed and precision have become one.
2005 Losey Avenue • Jackson, MI 49203 • 517.788.9120 •
ModernMachineTool.com
November 2013 |
ManufacturingEngineeringMedia.com 97
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