ZERO POINT CLAMPING SYSTEM
THERMAL SYMMETRY - REFERENCE TO THE CENTER AT ALL TIMES
Absolute zero point Compensation for thermal expansion is always symmetrical about the center axis.
Just one type of clamping stud No displacement of the zero point.
HSK principle Systems operate on the same principle as an HSK tool arbor taper. The resilience of the interface ensures zero radial play, together with the axial position relative to the axial face. Repetition accuracy < 2.5 µm (0.1 thou) Gauge errors up to ± 0.1 mm (0.004 inch) can be compensated over two clamping pots.
DISADVANTAGE OF THE CLASSIC ZERO POINT CLAMPING SYSTEM Axis at 0° Axis at 180°
Free pin
Free pin
Displacement
Axis of rotation
Zero pin
Floating pin
Positioning via a cylindrical or conical clearance fit. Example: Clearance fit Ø 32 H5/h5 = 22 µm (0.9 thou)
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