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Description

Methodology

Added value

Integration
{
CNC
- algorithm of
   compensation
- correction of
   axes positions
Model of « representation »
Identification of parameters
parameters setting
    Proposed methodology

  • Selection of the main heat source(s)
    causing geometric drifts

  • Phase of measures carried out once
    by machine type

  • Identification of a model of « representation »
        - One model per predominant source
        - Relations between cause and effect
          well established

  • Implantation of a dynamic algorithm operating continuously on the CNC
    and using only the internal
    variables of the control
    system
    -> « sensorless »
    Avantages
  • Simplicity
       (neither additional electronics nor
        sensors)
  • Reliability
    (taking into account the whole mechanical
    chain, reproduction of experience)