In recent years, developments in computed tomography have concentrated on the high resolution measurement of large work pieces and materials that are difficult to penetrate. To this end, large and heavy coordinate measuring machines were used. X-ray tubes came in […]
NEWS
Chromatic Focus Line Sensor – High Accuracy at High Measuring Speed
Werth Messtechnik presents the latest innovation in its extensive selection of sensors: with the Chromatic Focus Line (CFL) sensor, entire work piece geometries are captured rapidly. Using different lenses, the measurement uncertainty and range can be adapted to a particular […]
Chromatic Focus Line Sensor – High Accuracy at High Measuring Speed-2
The Chromatic Focus Line sensor provides another interesting function: in addition to the wavelength of the reflected light, its intensity is also analyzed and a raster image of the work piece surface is generated. Subsequent analysis with image processing software […]
High Precision for Quick Measurements Under Continuous Motion
A quick “in the image” measurement in the field of view of the image processing sensor has the same advantages for large work pieces as it does for small, however the measurement precision is not a high as it could […]
Tactile Measurement Strategy on Point Clouds
The new Measuring Spot Sensor simulates a tactile scan path or point distribution on a point cloud. The measurement points or scan paths, as is the case of tactile sensors, are automatically distributed on the selected geometrical features using the […]
ScopeCheck FB DZ-Multisensor Technology Now Even More Flexible-2
The machine can optionally be equipped with two independent sensor axes. Both optical and tactile measurements as well as an optimal combination of both measurement principles are possible. During measurements with one sensor, the second axis remains in the park […]
ScopeCheck FB DZ-Multisensor Technology Now Even More Flexible
The ScopeCheck FB DZ product line offers compact devices with large measuring ranges. A large combined measurement range can be achieved for Multisensor measurements, as for the smallest machine it is 425 mm x 500 mm x 350 mm with […]
New Measuring Strategy for CT Data-Volume Patch Selection
With computed tomography, the complete work piece geometry is captured with one single measurement. To determine the measurement points in the entire voxel volume, at Werth the material transitions are calculated using a patented subvoxeling process. Using this process, it […]
New Display of Geometrical Characteristics in the WinWerth 3D Graphic
WinWerth 8.42 now offers the functionality of a more comprehensive and clearer display of geometrical characteristics in the 3D graphic. The display of the geometrical characteristics is now based on the ISO Norm 16792. The actual values are color coded. […]
The Future of Multisensor Coordinate Metrology-2
Measurement technology is increasingly being integrated in production processes. Functions such as the OnTheFly operating mode, wherein measurements can be performed with the image processing sensor while the machine axes are moving, allow high throughput. In the CT field machines […]
The Future of Multisensor Coordinate Metrology
The future points to increase integration. One example of this is the Werth Multisensor System, with conventional stylus systems, the fiber probe, and/or the contour probe, and accessories such as angle optics and ancillary lenses placed directly in the image […]
WinWerth 3D Graphic with Volume Rendering
The depiction of volumetric data is now integrated the WinWerth® measuring software’s 3D module. Three different views can be used at the same time and can be unhidden or hidden. This provides the option to show the entire volume, i.e. […]
A New Sensor: X-ray Computed Tomography – 2
The field of X-ray tomography in particular is seeing rapid advancements. A series of software correction methods are now available, so that sufficiently precise CT measurements are usually possible without Autocorrection. With Auto correction, the measurement process is even suitable […]
A New Sensor: X-ray Computed Tomography
The first experiments for introducing computed tomography (CT) to coordinate metrology took place in the early 2000s. Unfortunately, the process was still much too imprecise, with measurement deviations in the range of tenths of millimeters. One early solution was the […]
From Image Processing to Multisensor System-3
Over the following years, the spectrum of optical distance sensors in particular was expanded. The laser distance sensors mentioned above were supplemented by chromatic focus sensors for measuring surface contours and flatness on reflective surfaces. That sensor determines the distance […]
From Image Processing to Multisensor System-2
Cooperation between medium-sized companies and universities and other research institutions is particularly well advanced in Germany. Cooperative efforts between Werth Messtechnik and the Physikalisch Technische Bundesanstalt (PTB-the German National Institute of Metrology) in 1998 resulted in a tactile optical micro […]
From Image Processing to Multisensor System
As the diversity and complexity of work pieces increases, measurement tasks can often no longer be addressed with just one sensor. Multisensor coordinate measuring machines are created by integrating various sensors in one measuring machine, each allowing individual adaptation to […]
Introduction of Digital Image Processing-2
Even after 20 years of image processing in coordinate metrology, revolutionary developments are still possible today. For example, the Raster Scanning HD process presented in 2016 enables previously unknown measuring speeds while increasing accuracy. To do so, images of the […]
Introduction of Digital Image Processing
PC technology in the early 1990s, with the first frame grabbers, was powerful enough to automate optical coordinate measuring machines. With a management buyout in 1993, now 25 years ago, business autonomy was reclaimed and Werth Messtechnik was the first […]
WinWerth® FormCorrect – a New 3D Correction Process for Work pieces
With FormCorrect, the exact work piece geometry is achieved by a mostly automatic correction of the CAD model. The deviations between the original CAD model and the test work piece measurement data are directly determined by the WinWerth® measurement software […]
WinWerth® Profile Projector Function
The patented Raster Scanning HD method can be used to capture an entire work piece automatically at high resolution. A new function also makes it possible to overlay this raster image with the 2D CAD model in DXF format within […]
Aligning and Teaching with Just a Mouse Click
Creating measurement programs with 2D-CAD-Online® or 2D-CAD-Offline® is as simple as can be. These two options allow easy CAD-based measurements of 2D contours using the most appropriate sensor. The controls are integrated in the 3D graphic of the WinWerth® software […]
Reducing Cone Beam and Scattered Radiation Artifacts
When measuring work pieces with high radiographic length or high material density, such as cylinder heads or turbine blades, scattered radiation and cone beam artifacts often occur. They make inspection tasks more difficult and increase measurement uncertainty when capturing geometric […]
New Workpiece Changing System for TomoScope®
The workpiece changer for the TomoScope® line automatically feeds work pieces into the machine for optimal usage. The work piece carriers are located in the device, so measurement sequences can be run during unattended shifts without having to make special […]
If the Standard Fails – Highly Precise Optical Measurements of the Smallest Features – 3
The WIP/RS provides for a highly precise roundness measurement with a rotating probe. The probe is rotated only through the movement of the highly accurate sensor rotary axis. The user can move probe from a middle position to an outer […]
If the Standard Fails – Highly Precise Optical Measurements of the Smallest Features – 2
The measuring probe is a light conducting glass fiber with a standard diameter of 125 µm, smaller probes are available. By guiding the fiber in a metal tube, very long probes can be produced for larger immersion depths. The Probe […]
If the Standard Fails – Highly Precise Optical Measurements of the Smallest Features
With conventional optical sensors, narrow and deep features, such as air gaps on electric motors or the roundness of fine injection nozzles, are often not measurable. Laser distance sensors, chromatic focus sensors and confocal sensors fail as a result of […]
Measuring Made Simple with PMI Support
Many CAD systems now offer the option of integrating PMI data (Product and Manufacturing Information). The resulting CAD data sets contain, in addition to geometric descriptions of the CAD elements, the dimensioning provided by the design engineer, including tolerances and […]
WinWerth® 8.42 – Many New Functions
The WinWerth® 8.42 measurement software offers a variety of new functions for multisensor systems and X-ray tomography. For coordinate measuring machines with multisensor technology, in addition to PMI supported measuring, 2D-CAD-Online® and 2D-CAD-Offline® have been integrated into the 3D graphic. […]
Werth Interferometer Probe WIP – Highly Precise Optical Measurements of the Smallest Features
If the standard fails, the long measuring probes of the Werth Interferometer Probe WIP enable measurements of tightly toleranced geometrical characteristics. Probe geometry and exit angle can be manufactured for the individual requirements of the measuring task, for example for […]
WinWerth® 8.42 – Many New Functions
The WinWerth® 8.42 measurement software by Werth Messtechnik offers a variety of new functions for multisensor systems and X-ray tomography. For coordinate measuring machines with multisensor technology, in addition to PMI supported measuring, 2D-CAD-Online® and 2D-CAD-Offline® have been integrated into […]
WinWerth® 3D Graphics with Volume Rendering
With the new feature VolumeCheck, Werth Messtechnik has integrated the depiction of volumetric data into the WinWerth® measuring software’s 3D module. Three different views can be used at the same time and can be unhidden or hidden. This provides the […]
Find out what is new
… discover new products and possibilities in the new MultiSensor Magazine which was just released at the 2018 Control Show in Stuttgart, Germany.
Werth Inspector® FQ – Measuring at the Acceleration of Gravity
Due to its high measuring speed, the Inspector® FQ handles applications for conventional coordinate measuring machines that would never have been considered before because of excessively long measurement times. This flexible machine replaces manual gages or gaging fixtures, for example when […]
World’s Most Accurate Coordinate Measuring Machine with Computed Tomography Sensor – Werth TomoCheck® S HA
The new TomoCheck® S HA (High Accuracy) from Werth Messtechnik GmbH has impressive new features. By combining transmission tubes with up to 225 kV acceleration voltage and large, high-resolution detectors, both multi-material assemblies and large-volume workpieces can be measured at high […]
Specifications and Acceptance Tests – 3
The operating parameters must be precisely specified for the length measurement error as well. The parameters must also be specified and tested for the operating modes measurement “in the image” and measurement “at the image” (e.g. raster tomography). It is […]
Specifications and Acceptance Tests – 2
The use of multidimensional standards, such as spatial arrays of spheres on pins, is particularly efficient. This type of standard can be used to check many or even all of the lengths required to test the coordinate measuring machine against […]
Specifications And Acceptance Tests – 1
Starting with the DIN EN ISO 10360 international series of standards, the Association of German Engineers (Verein Deutscher Ingenieure: VDI) has developed a guideline for acceptance testing of coordinate measuring machines with X-ray tomography. This has been integrated both in […]
Spiral Tomography
Using spiral (better helical) tomography, the cone beam artifacts that arise in conventional cone beam tomography can be prevented. This works by moving the measured object along the rotary axis as it rotates. In spiral tomography, each layer of the […]
Dual-Spectra Tomography
In coordinate measuring technology with computed tomography, the dimensional analysis of work pieces made of multiple materials is particularly challenging. Multi-material work pieces are often metal and plastic components, such as assembled plug connectors. The measurement task is typically to […]
Eccentric, Region of Interest, and Multi-ROI Tomography
Eccentric Tomography (a) now makes it possible to place the work piece arbitrarily on the rotary table. This eliminates the laborious and time consuming alignment of the work piece, making measurements more convenient and efficient. The measuring software automatically calculates […]
Noise
The basic physical effect of the working principle of X-ray sensors is the conversion of light energy into electrical charge. This conversion occurs due to the photoelectric effect. Because this is a statistical process, not every photon is converted into […]
Resolution
When discussing resolution in the field of coordinate measuring technology, two categories must be fundamentally differentiated: structural (or spatial) resolution and positional (or metrological) resolution. The structural resolution defines how small structures on the measured object can be and still […]
Cone Beam Geometry – 2
Cone beam artifacts can be completely avoided with the use of spiral tomography. In this special process, a translational motion is performed in the direction of the rotary axis at the same time as the rotation of the object. The […]
Cone Beam Geometry – 1
For cone beam tomography, the ideal beam geometry (fan beam) is purposefully altered to increase energy efficiency and reduce measurement time. This means that the ideal beam geometry is found only in the center plane. It is defined as the […]
Scattered Radiation
When the X-rays are attenuated in the material, due to Compton scattering, incident X- ray photons are deflected (scattered) from their original direction of travel by electrons of the penetrated material and are therefore subject to a loss of energy […]
Beam Hardening – 2
Beam hardening is not considered in the mathematical principle of X-ray tomography. The measurement errors that result from this are known as beam hardening artifacts. Their magnitude depends on the material and geometry of the measured object. Beam hardening can […]
Beam Hardening – 1
The radiation generated in an X-ray tube is not monochromatic. Similar to the visible light of an incandescent lamp, it is a continuous radiation spectrum with a particular bandwidth (bremsstrahlung or “braking radiation” from German “bremsen”: to brake and Strahlung”: […]
Inspecting the Material Structure – 4
With special software, assemblies can also be inspected. Assembly errors can be easily detected or the assembly can be shown in various functional states. It is also possible to virtually disassemble the components and to investigate them (e.g. to analyze […]
Inspecting the Material Structure – 3
Software tools exist for crack testing, for example. Material irregularities of fibers can also be visualized. To analyze the flow behavior of glass fibers, very high resolution is required.
Copyright © 2023 | Werth Inc | (860) 399-2445 | 8 Custom Drive, Old Saybrook, CT 06475