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The synchronous support grinding process on the VTC 315 DS uses two CBN grinding wheels to simultaneously grind – from opposite sides – vertically clamped shaft-type components supported by a trailing steady. To achieve this, two independently moveable compound slides with X- and Z-axis and featuring integral grinding spindles, are mounted to the inside wall of the machine.

This process allows simultaneous grinding of the component from right and left, which almost halves the time it takes to grind with one CBN wheel and leads to an improvement in component quality, i.e. in surface finish, concentricity and roundness. The construction not only allows excellent access to all vital components but also has an advantage over 2-axis horizontal grinders: it absorbs the forces generated.