Sandvik Coromant enhances turning tool holders
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Coroturn HP turning tool holders
Sandvik Coromant has extended its Coroturn HP range of turning tool holders with an integrated high-pressure delivery capability.
The coolant jets of Coroturn HP improve machining performance by delivering cutting fluid at the precise point of cut, thereby removing heat more efficiently and reducing the subsequent problems of accelerated wear, according to the company.
The technology also helps to eliminate the re-machining of chips by keeping the cutting zone free of removed material, thus reducing the potential for component damage and permitting the scheduling of unmanned operations.
This is particularly relevant when using multi-task turn-mill centres, where chips gathering around the tool cause automatic tool change problems.
Negative-style inserts are often preferred when machining difficult materials such as heat-resistant super alloys (HRSAs), titanium and stainless steel.
Indexable tool-holding technology featuring integrated high-pressure coolant delivery could help machine shops improve chip breaking, tool life and/or cutting data.
Sandvik Coromant's current tool-holder programme has now been increased with the introduction of a further 38 tool holders in C5, C6 and C8 Coromant Capto coupling sizes, which are designed to accommodate negative inserts in C, S and D styles.
According to the company, the new tool holders can offer up to a 20 per cent increase in cutting speed when roughing difficult materials and up to 50 per cent more tool life when roughing or finishing challenging workpiece materials.
When combined with the quick-change Coromant Capto system, the Coroturn HP coolant system harnesses a high-pressure capability of up to 80bar in turning centres, vertical turning lathes and multi-task machines.
Sandvik Coromant is offering its Coromill 177 tangentially mounted hob, which the company says features a number of innovations designed to deliver greater productivity and tool life in gear-wheel machining operations.
At the recent EMO 2013 event, Sandvik Coromant exhibited the Coromill 170 high-performance cutter for large gears, the Coromill 172 disc cutters, the Coromill 176 indexable insert hob and the Coromill 177 indexable hob. The company also showcased techniques for the milling of spur, helical and bevel gears.
Sandvik Coromant has expanded its range of deep-hole machining systems. Previously special-only drilling ranges, the Corodrill 800, 801 and 808 are now available as standard.
Tooling is a significant part of a new machine’s performance and can have a genuine effect on its return on investment, reducing it by a year or more in some instances. However, this can only be achieved by working in partnership with a reputable tooling partner, ideally from project conception. Doing so will lead to optimised machine performance with innovative strategies and customised tool packages.
This white paper from Sandvik Coromant looks at the important industry trends surrounding composite materials in the aircraft industry and the route to best-practice machining.