Technical Specifications

Installation Weights

»mμFocus« with »zep« sensor and under-table system 250 kg
»mμFocus« with »zep-R« sensor and under-table system 270 kg
»mμFocus« with »zep« sensor without under-table system 75 kg

»zep« Sensor for Measurement of Cutting Edge Geometry

Z-axis 300 mm
AA (describes the minimum distance between the lens and the measurement object) Stripe projection 3
Measurement principle 0 mm
Smallest measurable radius 3 μm
Numerical aperture –

»zep-R« sensor for measurement of 3D cutting edge geometry and surface roughness

Z-axis 300 mm
AA 20 mm
Measurement principle Confocal microscope
Smallest measurable radius 3 μm (values for 20x objective; values for 50x objective: 1.4 μm)
Numerical aperture 0.42 mm

Profile Roughness: Selection of Measurable Parameters According to ISO 4287 and ISO 13565

Ra arithmetic mean over the entire measurement length
Rq root mean square
Rt total height of the roughness profile
Rmax maximum height of the roughness profile within a single measurement section
Rz average height of the roughness profile
Rp Height of the highest peak in the roughness profile
Rv Depth of the lowest valley in the roughness profile
Rk Core roughness depth, height of the core region
Rpk Reduced peak height
Rvk Reduced valley depth
Mr1 Material portion above the core region (Abbott curve)
Mr2 Load-bearing material portion (Abbott curve)
Rsm Mean width of profile elements
RPc Peak count value

Surface Roughness: Selection of Measurable Parameters According to ISO 25178-2 and ISO 16610

Sa Arithmetic mean height of the scale-limited surface
Sq Root mean square height of the scale-limited surface
Sp Maximum peak height of the scale-limited surface
Sv Maximum pit height of the scale-limited surface
Sz Maximum height of the scale-limited surface
S10z Ten-point height of the surface
Ssk Skewness of the scale-limited surface
Sku Kurtosis of the scale-limited surface
Sdq Root mean square gradient of the scale-limited surface
Sdr Developed interfacial area ratio of a scale-limited surface
FLT Flatness
Sk Core height
Spk Reduced peak height
Svk Reduced valley depth
Smr1 Material portion of peaks
Smr2 Material portion of valleys
Vmc Core material volume of a scale-limited surface
Vmp Peak material volume of a scale-limited surface
Vvc Void volume of the core of a scale-limited surface
Vvv Void volume of the valleys of a scale-limited surface
Sxp Extreme peak height
Str Aspect ratio of the surface texture

Inspection & Measuring: Your Advantages

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Christoph Zoller

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