Overcoming Al-Li issues
It was the use of the recently introduced Aurora DLC 1500 (diamondlike-carbon) insert coating in combination with the SumiDrill WDX series of drills from Sumitomo Electric Hardmetal that has transformed troublesome drilling operations on a range of aluminium lithium aerostructure components at Wrexham-based Magellan Aerospace UK.Previous supplier trials involving different tool types and process changes including solid carbide, pilot drilling, slot drilling and revised speeds and feeds, had always failed to overcome the problem of built-up edge.
And even with the use of... [Read More]
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