The kindest cut
Poorly selected tooling can be the bugbear of even the most sophisticated machinery. Mark Venables previews insert grades, exotic coatings and inserts on view at next month's MACH 2006.

Any manufacturer will tell you that even the fastest, modern machine can be blighted by poorly selected tooling. So next month's
will show an immense breadth of offerings — from exotic coatings to strange shaped inserts.
In general steel turning everything varies. The steel material varies from un-alloyed to high-alloyed bar-material through to various forgings and castings. The type of operation carried out varies from rough to finish turning, with conditions ranging from good to difficult.
To meet these demanding requirements,
has developed a new insert grade GC4225, which the company claims represents the next generation of P25 grades to enhance machining performance and versatility in the general steel turning area.
Over the past few years the company has carried out extensive R&D so that GC4225 has an improved capacity to adapt to variations in workpiece material and operational demands towards the tougher end of applications. The new black and yellow grade provides fresh potential for increasing productivity through higher cutting data, backed up by improved reliability.
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