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Stationary scanning is clearly more precise
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Just recently, Mahlo's know-how and expertise were confirmed yet again.
A customer had some distorted Jacquard fabric tested in Mahlo's technological department. The material was scanned and straightened on the test range by an Orthomat RVMC-12.
The customer then took the same piece of fabric to a rival concern in order to have it tested in just the same way on a straightener with a traversing scanner.
Both tests were recorded and subsequently evaluated by the customer himself.
The outcome left no one in doubt. In the customer's own words: "Mahlo's stationary scanning system is clearly the more precise one". This substantiated once again our promotional literature and tests. A single traversing scanner cannot compete with Mahlo's stationary system.
As illustrated above, each scanner of Mahlo's detection system (pictured at the right) supplies a fresh measured value at intervals of 140 ms. Since the 4, 6 or 8 scanners measure simultaneously, the associated microprocessor is able to compute a representative image of the entire cross-web distortion. And this at 7x per second.
A traversing system has to make do with considerably fewer measured values. To enable it to compute the entire cross-web distortion, the scanner has to run from one edge of the fabric to the other, an action that takes up a certain amount of time. Consequently, on principle alone, the result is less precise. If, during that time, the distortion varies as well - as sometimes happens following a seam - this system would compute an entirely false signal that would further distort the fabric rather than straighten it.
In order to compete with Mahlo's scanning system, a traversing scanner would have to run to and fro across for instance a 3.2 metre fabric 7x per second. Apart from the fact that this would probably be impossible to achieve mechanically, detection at such a speed would indeed be out of the question.
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Hybrid Scanning®
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The new, innovative Hybrid Scanning® with revolutionary double-sided scanners is a detection system with the widest dynamic range on the market.
Highlight of the hybrid scanning® system is fully automatic fabric recognition along with recipe change by SOS-technology (Self Optimizing System)
- Revolutionary double-side-scanner
- Senses automatically a change of fabric
- Selects recipes automatically
- Scans face and back
- Detects patterns
- Built-in pick counter
- Widest scanning spectrum on the market at present
- An innovative solution helps dispense with the fabric-related adjustments required by low-cost systems
- A hybrid system can be retrofitted without difficulty to all generation-12 Orthomats
 download the Hybrid-Flyer
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Single-sided measurement with the GRAVIMAT FMX
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The highly original FMX gauge works on the principle of X-ray back-scatter to measure weight per unit area, and should be seen as complementary to the FMI systems. The single-sided sensor helps reduce considerably the size of traverse assemblies. A further advantage is that the radiation can be switched off, thereby easing in particular the task of dealing with safety regulations and licensing procedures. With a range of 50 – 20.000g/m² , it covers a broad spectrum of potential applications and, compared to measurement by transmitted X-rays, is far less sensitive to the composition of the material being monitored. In addition to the textile finishing sector, coating processes with a wide variety of materials, laminating and nonwoven sectors, there are numerous applications primarily in the non-textile industries on foil, paper, etc..
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FAMACONT PMC
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The new PMC sensor for monitoring the density of picks or courses of the most complex structures, and the smart "feed forward" control strategy in conjunction with a spezial type of web guiding system for delecate materials, have convinced numerous top-ranking Chinese costomers of the system’s superiority and induced them to have the PMC retrofitted to their stenters.The system is used amongst other things for materials with a high elastane content, either as a standalone unit or P-module in conjunction with an Orhopac RVMC or Optipac VMC, eg. for control of dwell-time. Its cost-effectiveness lies quality and maintain precisely a target weight per unit area, with a corresponding effect on returns.
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WEBSCAN WIS
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With the new Grey Goods Inspection System WIS, Mahlo has yet again set the standard for a user-friendly fabric monitor with a far more attractive cost-performance ratio than systems on the market up to now. Product faults are visualized and the evaluator’s parameters set up on a standardized 15” TFT colour monitor. Camera modules, light module and housing are conspicuously compact assemblies and thus work particularly well conjunction with the long-standingly successful Colorscan CIS Colour Inspection System.
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THERMOSCAN OMF
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A “snappy” pyrometer in a compact traverse frame for easy installation close to the outlet of a dryer.
With an Optipac VMC as a platform, it can be combined with measurement of exhaust humidity to form a low-cost “energy-saving unit” which, at the same time, helps promote maximum productivity and a consistently uniform finished quality.
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