Magnetized components can lead to interference signals during crack or microstructure testing with eddy current component conditions, therefore resulting in false readings.

To avoid this, FOERSTER offer a powerful demagnetization unit: the ZMAG CM. The pulse method used enables high penetration depth to demagnetize the components effectively and promptly. The Siemens control and pre-configuration allows an easy integration of the unit into your production process. Thus, your process quality and reliability can be significantly increased.

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The MAGNATEST TCL is designed to carry out fully automated, non-destructive eddy current testing for 100% inspection in series production. In addition, it can be used for manual testing, e.g. in a laboratory for quality assurance. The MAGNATEST TCL test system consists of the test channel line (TCL) and a PC with testing software. For automated inspection, FOERSTER offers an industrial PC equipped with an interface module.

All the constituent parts of the MAGNATEST TCL can be installed in an equipment cabinet. Alternatively, its compact design allows installation directly in the line. This significantly shortens the cable lengths required between the sensor system and the test channel and minimizes negative impacts on the test quality. The modern software of the TCL test system is intuitive and optimized for touch operation. Embedded help screens are always available if questions come up. In addition, there is a wizard to support you in setting up the test parameters, but it is not mandatory to use it.

In addition to a wide frequency range (4 Hz to 20 MHz), the MAGNATEST TCL features fundamental and harmonic evaluation. The test can be triggered manually, externally by the PLC, or automatically (internally). Password protection prevents outside intervention in the test.In test mode, the results are displayed in the impedance plane and as a bar graph. Afterwards, the report function facilitates comprehensive documentation.

Your advantages at a glance
• Magneto – inductive testing with fundamental and harmonic evaluation: broad frequency ranges from 4Hz to 20 MHz, continuously adjustable in 1 Hz steps
• 100 % control using non-destructive testing method: ideal for all eddy current testing requirements
• State-of-the-art software with intuitive user interface: support functions (wizard) ensure easy operation during parameterization
• Improved test quality: short cable runs between the MAGNATEST TCL and the sensor system minimize interference
• Innovative probe recognition: data chip automatically recognizes the probe, directly loading its settings
• Easy automation and line integration via I/O interface

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Highlights 

• • Intelligent filter algorithms for targeted suppression of interfering contours like drill holes, grooves, bevels, etc.
• • High-resolution representation of the component surface
• • Digital filters with large dynamic range
• • Post-data analysis for process improvement, since raw data can be stored and post-processed
• • Report creation in PDF, PNG and CSV formats

New dimensions in component testing

With STATOVISION, FOERSTER offers an innovative software solution for the identification and visualization of heretofore undetectable errors. Intelligent filter algorithms enable previously impossible inspection tasks; since this allows interference signals to be filtered out and suppressed, cracks near drill holes or millings, for example, can be found. Furthermore, by superimposing the images of several components, it is possible to identify – at an early stage – patterns in the defects, e.g. due to tool wear, so that the source of the error can be eliminated.

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Compact and robust, the STATOGRAPH CM+ / CM consists of powerful hardware and software to guarantee reliable inspections. Both STATOGRAPH modules are network-compatible and can thus be operated via a tablet or smartphone. Production line status can therefore be checked anytime and anywhere, meaning that immediate corrective action can be taken if necessary. Test parameters and other settings can be captured and adjusted on the fly.

The STATOGRAPH CM+ also has a touch screen for use directly in the line. On the STATOGRAPH CM, a multi-color LED tells the device status with a quick glance into the control cabinet.

Highlights 

• – Decentralized operation: web-enabled access allows user inputs from mobile devices
• – Innovative wizard sets parameters automatically
• – Improved filters for even more precise testing
• – Fieldbus connections for simple integration into control systems
• – Intuitive and easy-to-understand user interface

Ready for Industry 4.0

For over 50 years, the STATOGRAPH module has been employed with great success to find surface defects in components via the eddy current method. Now, to make crack detection even easier and more intuitive, FOERSTER has further developed the STATOGRAPH
to prepare it for integration into digitized production environments.

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Your advantages at a glance
– Processor-controlled testing system
– Single coil absolute operation, therefore, no comparison coil required
– Optional adapter for two-coil differential operation
– Load-independent induction current, therefore constant induction current intensity and constant magnetic field strength during the testing
– High induction current intensity thus stimulation of higher harmonics and particularly high-test sensitivity to the magnetic characteristics of the test material
– Single frequency or multi-frequency testing, Harmonics analysis
– Simple operator guidance thanks to application-specific function buttons and high resolution TFT color screen
– Standardized interfaces for peripheral equipment (keyboard, mouse, printer, network, etc.)

Harmonic wave evaluation
FOERSTER produces outstanding products for performant harmonic wave evaluations during structure testing. This makes it possible to reduce temperature and batch impacts as well as impacts of the test piece position and geometric component tolerances. The magnetization curve can be divided into carrier and harmonics (multiples of the carrier) using the Fourier transformation. The frequency spectra comprises all uneven frequencies, i.e. f1 (carrier), f3, f5, f7, etc. The evaluation of the harmonics provides additional information on the properties of the test material.

Technical Data
Excitation frequency: 2 Hz to 128 kHz, 17 levels
Throughput: depending on excitation frequency, approx. 10 items at 1 kHz
Test resolution: manual, external, internal, crosshairs
Sorting threshold: circle, ellipse, rectangle (manual areas), box regression
Sorting process testing: group analysis
Stimulation: mono-frequency, multi-frequency

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Your advantages at a glance

• -High sensitivity with a defect resolution from 20 µm
• -Simple operation
• -Automatic lift-off, zero, and tilt compensation
• -Warning for lifted off probe
• -Very good legibility of the LED scale display and the LCD display
• -35-hour operation with activated backlighting
• -USB port for the visualization and documentation of the measurement results
• -Probes from earlier DEFECTOMETERs can be used

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