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  • Users: mechie23
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  1. mechie23

    Does CAM use NURBS to generate toolpath?

    Hi, I have a doubt regarding toolpath generation in CAM software in general. Modern CAD/CAM systems represent surface and solid data in NURBS form. But while generating tool path does CAM software use NURBS data directly or does it convert NURBS data to Triangulation format? I heard that some...
  2. mechie23

    On machine probing

    Hi, I have a doubt regarding on-machine probing, I mean using touch trigger probes on CNC machines. Considering that machine tools themselves are not that accurate and repeatable, how can we rely on results given by a probe mounted on the machine tool spindle? Isn't a CMM probe more accurate...
  3. mechie23

    What excites bending & torsion modes in cutting tool?

    Hi, I am analysing the vibration signal acquired during a milling operation in frequency domain. Some times I see first bending mode of tool (of cantilever) in dominant peaks, sometimes torsion mode, sometimes both at similar magnitude. Considering that a milling process involves cutting with...
  4. mechie23

    Can we have two different elements between same nodes?

    Hi, I have a small doubt - can we have different type elements between same nodes. E.g. Can I have beam element between two nodes and also one of the edges of shell element between the same nodes? In Abaqus I created beam elements between all the required nodes. Now to create a panel structure...
  5. mechie23

    Modelling viscoelastic material attachment

    Hi, I am trying to model a cylindrical casing with a neoprene sheet attached to it (through adhesive tape). Some masses are mounted on the neoprene intermittently, again with adhesive tape, with a hope of anchoring the neoprene. Objective is to see how far the neoprene sheet and added masses...

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