Also, he said, “The use of high-pressure coolant and the corresponding coolant-through holders will become more common in turning applications. Delivering high-pressure coolant through the proper area of the cutting zone will result in lower cutting temperatures and prolonged insert life. More custom- ers will be considering high-pressure coolant as an option. Coating technology will continue to evolve, with the use of nano-coatings becoming increasingly more common. These advanced coatings provide more stable and consistent tool wear.”
‘Huge Leap’
Kennametal’s Beyond Evolution system includes a proprietary Triple V design.
“The newest tooling developed for turning and grooving applica- tions is coolant-through holders that are de- signed to deliver coolant directly to the cutting edge of the insert,” Essex said. “Coolant- through external holders have created a huge leap in improving tool life and processing speeds.
Coolant directed directly to the cutting edge from two directions provides added chip control capabilities.”
Essex added other changes may occur in the next fi ve years. “Machine tools with multiple axes for the ability to machine more complex geom- etries in the aerospace industry will be increasingly utilized,” he said. “Machines with higher accuracies and rigidity and better software will allow faster machine times.” What follows is a look at some of the new products on the market. Sandvik Coromant: The company’s markets include automotive, which had a much better year in 2015 thanks to vehicle production spurred by record US car and light-truck sales. Sandvik Coromant’s newer offerings include Inveio, with new insert grades GC4325 (for steel turning) and GC3330 (for cast iron milling). The company also has the CB7015, intended for use in producing transmission parts. The company said the newer products coupled with existing ones permit high production at a low per-unit cost. In March, Sandvik Coromant introduced its CoroTurn 300 turning holder for
steel turning operations. The company said CoroTurn 300 has stable insert clamp- ing and eight-edged inserts for chip control. CoroTurn also has high-precision over and under coolant. Tungaloy America: The company’s Tungjet system features coolant through external toolholders for turning. The company said the retractable top jet provides
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