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Turning for stainless steels from Mitsubishi

Turning for stainless steels from Mitsubishi

Added to MTDCNC by MTDCNC on 03 April 2013

Stainless Steel Challenge

The new 7000 series, MC7015, MC7025 and MP7035 have been designed to be an easy-to-choose selection of grades and chip breakers. Such is the variance in the properties and machinability of stainless steels, different tool grades matched with a suitable chipbreaker is essential to achieve reliable high volume, unmanned production. A "one grade and breaker suits all" solution is no longer the best way to realise the high rates of efficiency needed for todays demanding production environment.


3 Choices

MC7015 is a multi layer CVD coated grade with a smooth cutting edge to prevent chip welding during higher speed, lighter cutting applications, MC7025 also has a multi layer CVD coating, together with an optimised substrate that displays excellent plastic deformation properties. This combination of coating and substrate makes it ideal for a wide range of medium cutting applications. MP7035 is manufactured with a PVD coating for prevention of chip welding and a substrate specialised in thermal shock and fracture resistance. These properties make it the first choice for interupted cutting and rough machining


Easy Chipbreaker Selection

A user firendly and easy to use range of chipbreaker geometries is employed across all 3 grades.

LM breaker for light cutting provides a sharp cutting edge to drastically reduce burrs but is optimised using different rakes angles around the cutting edge to also provide the necessary strengh. This provides increased quality on finished components.

MM breaker for the medium range of cutting has an ideal cutting edge land geometry configured using the latest simulation analysis. This has ensured control over plastic deformation that in turn leads to longer tool life and reduces the number of tool offset compensations needed during the life of a cutting edge.

RM breaker for rough cutting. This breaker needs a very stable edge to withstand the high forces during rough and interupted cutting. Stability is achieved by using different rake angles for the nise and flank and also has specially optimised-for-strengh edge honing. The end result provides less machine down time for increased levels of productivity.

In addition, 2 sub-breakers, GM and MA are included as a secondary selection between the main LM and MM breakers where fine tuning of performance and productivity may be needed.

MC7015, MC7025 and MP7035 are available in a wide range of negative geometries from CNMG through to WNMG types.


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