Product category:
Drilling, boring and reaming
News Release from: Kennametal UK | Subject: Modular KSEM drilling system
Edited by the Manufacturingtalk Editorial
Team on 14 November 2005
Holes up to 7xD produced without spot
drilling
A new tooling geometry for a modular drilling system designed for especially tricky drilling operations from 12.5mm to 40mm diameter has an outstanding self-centering capability.
Kennametal has developed a completely new geometry for its modular KSEM drilling system designed for especially tricky drilling operations from 12.5mm to 40mm diameter The KSEM drilling tool with its well-known HPM geometry has always stood out for its high levels of process reliability
This article was originally published on Manufacturingtalk on 30 Apr 2004 at 8.00am (UK)
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Quick-change tooling system for automatic lathes, featured in the "Micro Machining Tools" catalogue, has achieved time savings of up to 40% and can be used in turning and boring operations.
But until now, especially deep holes in excess of 5xD have required an additional spot drilling operation.
The brand new HPGM geometry, in combination with carbide grade KC7315, is distinctive for its outstanding self-centering capability.
The much reduced diagonal cutting edges and straight main cutting edge allow drilling up to 7xD without any need for spot drilling.
Cutting forces have also been reduced to a minimum to optimise the drill's performance.
This is a major advantage particularly on the larger diameters.
The reduced machining thrust results in lower levels of deformation to the machine and workpiece and therefore improves drilling quality.
The PCM precentering geometry now has the new HPGM rake angle this enables applications in areas that could previously only be executed using deep hole drills.
In regular applications, the new HPGM geometry extends tool life - even at elevated cutting speeds.
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