Why balance grinding wheels?

To enable the full potential of modern tool grinding machines and to produce efficiently according to today`s standards, it is absolutlely essential to use balanced tools and tool holders. Due to high rpms, unbalanced grinding wheels may have negative effects both on quality and productivity.

Causes of unbalance on a grinding wheels

Why balance grinding wheels?
  1. Tolerance of grinding wheel bore
  2. Homogeneity of the grinding wheel
  3. Parallelism of the grinding wheel
  4. Concentricity of the grinding wheel
  • Tolerance of the grinding wheel arbor
  • Dressing of the grinding wheel
  • Wear of the grinding wheel
  • Profiling of the grinding wheel

    Consequences of unbalance

    1. Reduces surface quality -> Chatter marks
    2. Reduced dimensional accuracy on the work piece -> Increased costs for wheels dressing
    3. Extremly high grinding wheel wear -> Reduced tool life
    4. Spindle head wear out -> danger of machine down time -> unnecessary repairs -> expansive inspections

    As a result, the grinding parameters are reduced and productivity is decreased.

    Dressing ≠ Balancing

    The regular and proper dressing of the grinding wheel is important to both reestablish a precise geometry and to create an optimal grinding wheel topography. As the balance state changes contantly due to dressing, wear and profiling, the balancing of grinding wheels is essential in spite of dressing them!

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