Report: Innovative New Inspection Machines at PACK EXPO Las Vegas


Flexibility of operation is a feature of the machine that we often heard about in the aisles of PACK EXPO, and WIPOTEC OCS was one of the exhibitors who had a lot to show in this important field. It introduced a new model of its Modular Multilane System (MMS2) intelligent weighing systems for machine builders, which is IP65 rated and is even more flexible than its predecessor.

The existing MMS system has been used in multi-lane applications. The new MMS2 is more compact, around 50% smaller and has an IP65 rating, which means there is no need for an additional control cabinet. It is also more flexible. The existing MMS is equipped with 3, 6, 10 or 14 slots in the base plate. The new MMS2 is a modular design where individual modules can be plugged together side by side in the exact number needed while saving space.

The basic module includes all common fieldbus interfaces, an Ethernet interface and the power supply. It has an Active Vibration Compensation (AVC) option for environments where strong interference may influence the weighing result. “The load cells with AVC technology are designed to eliminate all vibration problems,” says Jack Smith, Director of Sales and Marketing at WIPOTEC OCS. “One problem we found in the market was that the electronics in each load cell were large and IP54 rated, so we took all of our electronics and made them smaller and IP65 rated.”



Checkweighing was also present on the stand of Mettler-Toledo Product InspectionThe company launched the C-series checkweighing systems (1) at the Las Vegas show that deliver new standards of speed and accuracy with new load cell technology that allows users to achieve increased throughputs.

FlashCell™ load cells weigh food products at speeds of up to 800 ppm, with greater accuracy than required by the Measuring Instruments Directive (MID). With three different types of load cells in the FlashCell range, food manufacturers can select the right load cell for their products, weighing a full range of products up to 10 kg reliably and accurately. Checkweighers can process product faster and reduce product loss through greater weighing accuracy. Image #1 in the text of the article.

“Flash cell technology allows us to run a faster rate of products per minute, in addition to achieving better accuracies,” said Brad Wood, regional sales manager for Mettler-Toledo. “Plus, we can actually scale down and provide the same relative accuracy as the system and provide a smaller footprint in the factory.”

Mettler-Toledo has conducted tests comparing FlashCell to current EMFR (electromagnetic force restoration) load cells, and the company has also installed its new load cell technology at customer sites. Through these tests and installations, FlashCell checkweighers have demonstrated, for example, the ability to achieve flow rates of up to 800ppm and an improved standard deviation of 40% for a 35g cereal bar.

FlashCell technology provides weighing results with up to four times lower standard deviation than previous generation load cells. The technology also works with shorter measurement times at high speeds. The weigh conveyor can therefore be reduced in length, with slower conveyor speeds helping to increase the stability of product handling and allowing for shorter exit conveyors and product pick-up areas. The overall length of the checkweigher itself can be reduced by up to 24%.

Image #2 in the text of the article.Image #2 in the text of the article.With three different types of load cells in the FlashCell range, food manufacturers can select the right load cell for their products, weighing a full range of products up to 10 kg reliably and accurately. Checkweighers can process product faster and reduce product loss through greater weighing accuracy.

“Flash cell technology allows us to run a faster rate of products per minute, in addition to achieving better accuracies,” says Wood. “Plus, we can actually scale down and provide the same relative accuracy as the system and provide a smaller footprint in the factory.”

Mettler-Toledo Product Inspection also took advantage of PACK EXPO Las Vegas to launch a series of next-generation metal detection systems (2) that bring a new dimension to the food inspection market. The fully integrated system’s modular design can be adapted over time as compliance and productivity needs change.

A new digital platform, powered by new smart SENSE™ software, is combined with advanced algorithms to enable entry-level models to deliver high sensitivity to all types of metal contaminants with minimal false rejections . Dynamic Stability Control innovations stabilize the metal detector’s central sensor to help shield against ambient noise and vibration interference for increased reliability. A color touchscreen simplifies operation, with key tasks accessible using the quick access menu.

According to Alan Zeng, Mettler-Toledo business development manager for the OEM business, the M30-R series metal detector has a 100% digital window-based platform and is very easy to use. During a live demonstration at PACK EXPO Las Vegas, Zeng demonstrated how products pass through the detector. “The machine will learn how often it will run,” Zeng explained, “and optimize the configuration.”



A final look at innovations in inspection technology brings us to the booth of Domino Printing Sciencewhich launched the new R-Series range of intelligent vision systems (3) for automatic inspection and validation of product codes, including date codes, lot numbers, barcodes, and 2D printed codes.

The R-Series was developed in consultation with customers following Domino’s acquisition of Lake Image Systems. It’s not that manufacturers had no way to validate codes in the past, but the validation technology had to come from a source other than Domino. With the launch of the R-Series, Domino seeks to deliver customer value by reducing complexity and offering a complete end-to-end solution from a single trusted partner.Image #3 in the text of the article.Image #3 in the text of the article.

Specifically designed to work with Domino printers and encoders, the R-Series eliminates the need for manual code validation and inspection or the complexity of purchasing an automated validation system from another OEM. This greatly reduces the risk of incorrect code leaving a manufacturing site unnoticed, while enabling more efficient use and distribution of resources.

The launch underscores Domino’s continued commitment to “do more” to help customers improve production efficiency and reduce manufacturing waste by delivering a best-in-class customer experience through products, services and a expertise.

R-Series systems have been developed to work with Domino printers, integrating seamlessly into existing production lines without the need for custom media or specialized add-ons. R-Series controllers can be run from a single human-machine interface and feature a standard user interface with Domino’s look and feel, which is easy to learn and reduces the need for additional training.

Unlike other vision systems, the R-Series is specifically designed for coding and marking applications. The systems are optimized for Domino fonts, print characteristics and inks, and they match the speed of Domino’s fastest printers, meaning manufacturers can code with confidence, knowing every code printed can be checked and verified.

The R-Series is available in three distinct products, with custom options available to meet all requirements and budgets. The high-level R550 is a comprehensive code validation and verification solution, which validates data for human and machine readable codes, as well as verifying code readability and placement. The mid-range R350 verifies the readability of machine-readable codes, while the R150, a cost-effective entry option, offers simplified verification of code presence and placement.

With the launch of the R-Series, Domino says it can meet customers’ coding and vision needs globally through one trusted brand while taking full responsibility for installation, training and aftermarket support. -sale.

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