WMM - Shaft Measuring Machine
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WMM Series 3D Multisensor Shaft Measuring Machines

Translate sober requirements into smart ideas, transfer smart ideas into accurate solutions, transform accurate solutions into measurable results – ambitious goals can only be achieved if everyone pulls in the same direction. We call this SIMPLY PRECISE

The WMM Series – a high-end flagship for all your 3D shaft measurement needs As solid as a rock Whatever industry you are in or catering to, whether it’s the automotive or aviation arena, the tools or turbines trade, the gearbox manufacturing domain, the medical engineering or calibration laboratories business: Nothing goes without meticulous measurement of shafts, precision-turned parts or rotationally symmetric objects! The 3D multisensor measuring machines of Schneider’s WMM series will help you steer a safe course in all conditions and environments. Fuelled by thoughtfully engineered...

• Fully integrated CNC rotation axis capable of accommodating any standard or customer-specific tool holder (e.g. SK 40, SK 50, HSK 63) • Ultrafast high-resolution camera configured for triggered image acquisition to boost measurement speed • Automatic contour focussing feature ensuring excellent precision even outside the workpiece's centre axis • LED incident light and transmitted light illumination including 16 individually switchable segments • Tactile touch-trigger probe TP200 or tactile scanning probe SP25 with automatic probe feed1 • Wobble compensation for optical and tactile...

▲ Proportional representation of maximum measurement volumes afforded by different WMM models. Machines capable of handling even larger measurement volumes (up to 2,200 mm in length and 600 mm in diameter) are also available. As diverse as your needs The epitome of flexibility If you own a Schneider shaft measuring machine, virtually any object you wish to measure will fit the bill. Whether it’s minutest screws, surgical implants, cutting and milling tools, shafts or impellers, to name but a few options, your WMM machine will deliver excellent measurement results with unfailing accuracy and...

WMM 600 / 400 with workstation – capable of handling measurement ranges from 600 mm in length and 400 mm in diamet

Getting to the bottom of EVERY thing High resolution, excellent speed, black/white image acquisition: These are the imperative features a camera must possess to become the powerful heart of optical shaft measurement. Black/white image acquisition is indispensable because optical measurement is based on identifying inter-pixel brightness variations. Excellent speed is another must to ensure reproducible and efficient measurement even in the presence of rotation. Nothing goes without high resolution either as it enables representation of even the minutest details with maximum precision. At...

◄ Measurement in transmitted light: Transmitted light illumination provides images with excellent contrast and crisp edges. It is ideal for measuring external contours as well as features visible in the transmitted light shadow, e.g. through-holes, collars, feather keys and grooves. The camera image displays a typical shadow-casting projection. ◄ Measurement in incident light: Incident light illumination is perfectly suited for measuring contours and features on the workpiece surface as well as for obtaining excellent contrast imaging depending on material, texture and colour. The camera...

Dynamic measurement of cutting-tool edges Thanks to an excellent scanning rate yielding 60 images per second, each cutting edge can be captured and evaluated in rotation. The sum of all measured edges constitutes the tool’s enveloping contour which is indicative of its subsequent milling performance. Dynamic measurement of impeller, compressor and turbine wheel blades Schneider’s shaft measuring machines also include functions for dynamic measurement as well as for individual or collective evaluation of blade contours. In this way, the efficiency of finished compressors, for example, can...

Perfectly positioned for measurement on the fly Dynamic measurement in rotation The optical system of Schneider’s WMM series incorporates the combined technological know-how of our experienced team of specialists. Thanks to special algorithms including a dynamic wobble compensation feature, the highspeed camera enables, for example, measurement of cutting-tool edges and blade contours on the fly, i.e. in rotation: They are scanned with a high point density and with up to 60 images per second. In virtually no time, measurement and analysis software SAPHIR creates a graphical 3D...

Steering a wise course Tactile measurement probes: sensitive, to the point and self-centring Tactile probing is the method of choice whenever certain workpiece features cannot be sufficiently captured by optical means. The WMM machines incorporate tactile probes as a separate feed axis (Z-axis). It is designed as a full-fledged 3D measurement axis and thus equivalent to measurement axes X and Y as well as to the rotation axis. Chamfer depths, parallelism of several planes, axial run-out, hole dimensions including depth, threads and toothings, crank shafts with pin bearings, cams etc. can...

In keeping with the stroke Based on the relevant stroke table, SP25 will scan each and every motion step of a cam as a known contour. Familiar with the unknown The tactile scanning measurement probe can also capture unknown contours and free forms with perfect ease – via ten thousands of measurement points. In the centre of the action Thanks to the self-centred probing feature, SP25 can identify the effective diameter (e.g. of a spline, as shown below) in virtually no time. Always on course The same self-centred probing feature enables SP25 to scan “tricky” objects (such as recirculating...

Patented wobble compensation feature Valid measurement results at an unbeatable price/performance ratio The WMM series has even more to offer than full integration of the rotation axis: Schneider’s patented wobble compensation feature is another key benefit! Any unwanted wobbling movements (such as usually tend to occur between the workpiece and the clamping device) are downright eliminated thanks to this high-end technology. + First, the eccentricity or wobble of the workpiece is analysed with micrometre accuracy using special algorithms. + In the next step, the workpiece and the sensor...