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Roughing

NCG CAMís automatic roughing of surface data is suitable for all types of 2D or 3D forms, creating an optimised, smooth cutting motion for high speed machining (HSM) while maintaining, part accuracy, cutting tool life and machine tool life. All cutters and tool-holders are collision protected to maximise efficiency. Stock model visualisation of the machined part is available at every stage of the manufacturing process.

NCG CAM will always attempt to helix into the job when roughing, but will then automatically adapt to a profile ramping condition by ramping down in Z, following the toolpath if a helix entry is not possible.
Any area below the cutter that is too small to be area cleared, (based on indexable tip milling tooling which can not centre cut or plunge), the passes are discarded automatically.

NCG CAM is then able to detect these unmachined areas and locally machine them with rest roughing, avoiding almost all "air cutting". NCG CAM fully gouge protects the cutting tool and the tool-holder, which is very important when you may have a tool-holder and/or tool that is not long enough to reach. Likewise, it also provides gouge protection when machining using 5-axis machine tools (3+2 axis), and machining areas which might be deemed inaccessible with the standard 3-axis approach.

Cutting tools and tool-holders can be specified either from a standard tooling catalogue or users can define their own custom libraries using the holder designer. This can then be stored specific to each machine tool, or material being machined.

NCG CAM has an additional routine for roughing which is ideal for core forms, where the machinist wants to rough away the material by machining from the outside, whilst maintaining climb milling. All toolpaths start in fresh-air at the given Z-depth, and work in towards the core.

NCG CAM creates a safe boundary from the outside form of the core block. All toolpaths then start from this safe boundary, approach the material with a lead on arc, machine with no more than half the diameter of the cutter, then lead off with an arc away from the material back into the safe zone.


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Specialised Technical Services Pty Ltd
Specialised Technical Services P/L
CAD CAM Solutions, Training and Support for Mechanical Engineering, Design and Manufacturing Industry
 
45 Fairway Drive, DROUIN VIC 3818, Australia
Tel: +613 5625 5200

Mob: 0416 188 479
Email: cadcam@sts.com.au