The OSIMESS internal measuring instrument is a mechanical two-point comparison instrument for the fast manual measuring of small bores in the diameter range from 1 to 40 mm. The holder can be quickly adapted to the measuring range required by means of different exchangeable probes and the corresponding needles. No additional tool is necessary. A precision indicator, a dial gauge or an electronic probe can either be used to display the measuring value.
With the OSIMESS, it is not only possible to detect deviations from the nominal diameter, but also deviations in shape within the bore to be measured (thus far as possible with the two-point contact comparator method), like roundness, conical form, widening in a curve, convex or concave barrel shapes can be measured. This is not possible when checking the bore with a conventional plug gauge.
The robust design is conceived for the use in praxi:
- directly on the production machine
- in the incoming or final inspection
- in the room for precision measuring
The springy slit OSIMESS probes are split open by the wedge of the needle located between the two halves of the split probe, due to the spring power of the indicating unit, for example a dial gauge. As a result, the measuring surfaces of the probe are lying close to the wall of the bore. Through the precisely grinded wedge of the needle, the radial movements of the split probe are transferred free of backlash to the indicating unit. The needle and the probe are exactly coordinated geometrically.
- Technical Data OSIMESS:
- Application range: 1-20mm
- Repeatability fw: ≤ 1um (manual measurement)
- Max. deviation: fe ≤ 3um for probes Ø 1-9mm; ≤ 4um for probes Ø 10-20mm
- Hysteresis fu ≤ 2um
- Shank for dial gauge Ø 8 h6
- Holder clamping Ø 10 h7
Set composition:
Holder in case, tungsten carbide probes and needle. Supplied in wooden box. Tailored accessories available on request. Optional ring gauges and dial indicator 0.001mm (please select)
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