During production, real time available data about the dimensional accuracy of products are invaluable. They do not only save material but also ensure that the production runs within its tolerances. Modern measurement methods can lead to devices, which are surprisingly easy to operate. 

Technical Progress Enables New Applications for Quality Control 

Bildverarbeitung, Machine Vision

Bildverarbeitungssysteme

Optoelektronische Bilderkennung, Bildverarbeitungssysteme

Kameras

Messtechnik

Optische Mess- und Prüftechnik

Dickenmessgeräte

Zerstörungsfreie Werkstoffprüfung

Computer-Tomografie-Systeme

Radiografie-Geräte

Röntgenprüfgeräte

High-Tech Inspires Real Time Measurement 

Determining mechanical part properties is mandatory for quality assurance to assure compliance with performance specifications. A frequently required property is the tensile modulus, which according to ISO 527-1 must be determined to an accuracy of 1 % at strains of 0.05 % and 0.25 % of the original gauge length. The noncontact VideoXtens HP video extensometer from Zwick GmbH & Co. KG, Ulm, Germany, can be is intended for this application. 

VideoXtens HP for noncontact determination of the tensile modulus (© Zwick) 

Zwick 

Zug-und Druckfestigkeitsprüfgeräte

Noncontact Determination of the Tensile Modulus  

Thermoplastic tapes are expected to shape the next generation of thermoplastic composites. This calls for highly accurate tape stacking. Engel contributes this technology to achieve a breakthrough by combining high-precision control software with camera technology in tape stacking.

For high production efficiency, a tape stacking unit is best equipped with two robots and one camera station

Software-Based Tape Stacking with the Aid of Camera Technology Paves the way for Thermoplastic Composites

Spritzgießen

Kunststoffverarbeitung: Verfahren

Anlagen zur Composite-Herstellung

Kunststoffverarbeitung: Maschinen und Komponenten

Verbundwerkstoffe / Werkstoffverbunde

Kunststoff Werkstoffe

UD-Tapes

Verstärkungsstoffe

Fertigungsautomation

Bildverarbeitung

Faserverbundwerkstoffe

Andere Werkstoffe

Automatisierungstechnik

Optische Mess- und Prüfverfahren

Qualitätssicherung

Qualitätssicherung Kunststoff

An Eye for the Essential

Quality assurance during polymer extrusion requires continuous and reliable measurement. In two European research projects, three robust, practical and relatively simple online measurement techniques for material characterization have been developed. This paper will discuss the current state-of-the-art in the real-time monitoring of extrusion processes. 

Real-Time Monitoring of Polymers during Extrusion for More Effective Compounding 

Extrusion

Compoundieren

Inline-Messtechnik

Measuring Where It Counts 

At the Fakuma 2017 trade show, Leistritz Extrusionstechnik GmbH based in Nuremberg, Germany, presented a novelty in the area of process monitoring. They showed an elongational rheometer that supplies solid data making it possible to prove even the slightest deviation in the production process. 

Elongational Rheometer for Fast and Efficient Process Monitoring 

Extrusions-Zubehör

Measuring Shearing and Stretching Viscosities Online  

The gloss and haze of films can provide information about numerous functional material properties. With the control of optical properties method, they can be examined during production so that manufacturers are able to produce products of much higher quality and access new markets. 

COP Method Adds Examination of Functional Properties to Film Inspection 

Blasfolienextrusion

Flachfolien- und Plattenextrusion

Glanzmessgeräte

Form- / Oberflächenmesstechnik

Brilliantly Inspected 

Analysing and verifying, milling and dispersing, pump and systems

Netzsch Gerätebau GmbH Thermische Analyse 

https://www.netzsch-thermal-analysis.com

Analysegeräte

Werkstoffprüfung

Analysewaagen

Mechanische Messtechnik

Ausgabegeräte

Bedienterminals

Computer Hardware

Auswerte- und Analysesoftware

Software

Automatisierungskomponenten

Betriebsausrüstung / Betriebsmittel

Betriebstechnik für Kunststoffverarbeitung (Peripherie)

Dimensionelle Messgrößen

Kalibrierdienste

Dienstleistungen

Identifikationssysteme und Komponenten

Kapazitive Sensoren

Sensoren / Messwertaufnehmer

Laborgeräte

Laboröfen

Messung von Umgebung (Klima)

Lasermesstechnik

Lasersensoren

Messdatenerfassung und -verarbeitung

Messdatenerfassung, Software

Messgeräte

Messzubehör

Messgeräte für Automobiltechnik

Messgeräte, sonstige elektrisch

Elektrische / Magnetische Messtechnik

Messmittel

Messsysteme

Messtechniksoftware

Messung von Gasen und Flüssigkeit

Messverstärker

Probenvorbereitung

Schwingungs- / Vibrationsprüfger

Sensoren,  optische

Thermoanalyse

Werkstoffprüfung, mechanisch

Until now, the dimensioning of plastic gear required the measurement of the tooth selectively and manually before, during and after a transmission test. A newly developed in-situ transmission test bench makes it possible to investigate tooth deformation and wear behavior quasi-continuously during the transmission test, thus reducing effort and operator influence. Non-linear behavior can also be better detected.

Gear tooth wear: representation of material removal on the tooth flanks of a gear pairing in accordance with VDI 2736, size 1

Application-Specific in-situ Transmission Testing of Injection Molded Plastic Gears

Zahnräder

Halbzeuge und Zwischenprodukte

Kunststoff-Halbzeuge

Verschleißprüfgeräte

Prüfen von Kunststoffen

Zahnradmessgeräte

Inline- / Online-Messsysteme

Micrometer Accurate Measurement  of Tooth Wear

Terahertz technology supports contactless inline measurement in the micrometer to centimeter range. Wall thicknesses of pipes, hoses, and other extrusion products can be verified directly in the production process. Falling below the minimum thickness is identified immediately, thereby avoiding waste.

Terahertz inspection system for the inline measurement of pipe wall thicknesses. The wall thickness of single-layer and multi-layer pipes is determined simultaneously at four positions

Contactless Measurement with Terahertz Waves in the Micrometer to Centimeter Range

Mobile Koordinatenmesstechnik

Geometrische Messtechnik

Rohr- und Profilextrusion

Lichtwellenmesstechnik

Inline Layer Thickness Measurement

Terahertz and microwave methods offer a wide range of applications for testing of plastic packaging. Already established wall thickness measurements and defect detection are now joined by a wealth of other possible applications that promise process reliability and cost efficiency.

The testing of foamed products is becoming increasingly important in the packaging sector. THz measurement technology can be used to determine cell size as well as cell size distribution and local bulk density of foams

Comparison of Terahertz- and Microwave-Testing

Kunststoffe

Photonik

Optik

Mikrowellenmesstechnik

Industrielle Messtechnik

Contactless Testing of Packaging

Werth Messtechnik expands the possibilities for CT compact devices and presents the TomoScope XS Plus at K 2022.

The TomoScope XS Plus CT unit impresses with its large measuring range and small footprint. 

16:9

16:9(1)

Messe K-Kunststoffmesse

kunststoffe-international.com

kunststoffe.de

CT Tester in XS Format

State-of-the-art quality control systems for production require precise and real time measurement of control parameters such as the MFI. Such measurements lead to optimized process control, product quality, and reduced consumption of resources.  

Precise and Real Time Measurement of the Melt Flow Index  

Strömung

On the Pulse of the Polymer Melt 

With the Moisture Meter Moretto S.p.A., Massanzago, Italy, presents a system of instruments for the detection of the residual moisture content of resin after being treated and before the transformation phase. The Moisture Meter forms the final part of the “Drying 4.0” project started by Moretto to create a true closed-loop and precise drying system capable of automatically adapting to changing conditions and optimizing energy consumption. 

Precise Residual Moisture Detection 

Trockner

Granulieren

Feuchtemessgeräte

Moisture Meter 

Manufacturer and supplier of weighing systems for use in laboratory, industrial and food retailing applications

Mettler-Toledo GmbH  

https://www.mt.com

Dosierer

Kunststoff-Aufbereitung

Dosierwaagen

Elastizitätsprüfgeräte

Elektro-Akustische Messtechnik

Lohnmessung

Längenmesssensoren

Messgeräte für Dichte

Messgeräte für Kraft, Masse, Dehnung, Druck, Dichte, Viskosität, Drehmoment

Messgeräte für Viskosität

Spektrometer, Spektroskope

Steuerungen (Hardware und Software)

Temperatur und Feuchte

Temperaturmessgeräte

Waagen

Logistik

Wägeanlagen

Wägezellen

Zeit und Frequenz

Thus, new solutions for savings have to be found. In extrusion, costs can be specifically compensated by using sustainable measuring technology as an example calculation made by Sikora shows.

The prices for plastics are rising. Extruders are not powerless in the face of this, Sikora calculates.

How to Cope With Rising Plastic Prices

Measurement Technology for Significant Material Savings in Pipe Extrusion

At the K 2022, Isra Vision will be presenting a new turnkey solution for inline inspection of individual battery cells.

At the K 2022, Isra Vision will be presenting a new turnkey solution for inline inspection of individual battery cells. “PouchStar” inspects the shape, size and seal seam of the cells and reliably detects surface defects, deformations, flaws and impurities.

Isra Vision has an inspection system series in its product range for the production of high-performance, safe and durable lithium-ion batteries that supports manufacturers throughout the entire process chain in detecting and eliminating potential problems and defects at an early stage and thus in meeting the highest quality demands. The “Smash Battery” system that belongs to the Smash product series has been optimized for the automatic inspection of electrode coatings as well as separator foils and their coatings. It provides real-time information on product quality and shows the extent to which the given specifications have been met. Possible material and product defects that may affect the quality of the final product can thus already be detected and classified in the early stage of battery production.

At the K 2022, the company will also be presenting a new turnkey solution for inline inspection of individual battery cells. “PouchStar” inspects the shape, size and seal seam of the cells and reliably detects surface defects, deformations, flaws and impurities. It also checks and documents the bar codes and data codes. This ensures that only flawless cells are delivered and thus helps to avoid costly recalls. If the worst comes to the worst, product qualities can be traced back in order to initiate process optimization measures.

A new system from the packaging sector will also be on show in Düsseldorf. DualStar optimizes the workflow in the production and finishing of flexible packagings. Thanks to the possibility of switching between ‘surface’ and ‘print’ inspection, depending on the job, it is the only solution worldwide according to the manufacturer to combine the inspection of unprinted films, laminates and coatings as well as printed material in a single system. This saves the converter or laminator investment costs, as he only has to decide on one system. The “surface inspection” component automatically detects and classifies all relevant defects in the production of unprinted, transparent, opaque, colored and translucent web goods. For printed goods, DualStar continuously checks the quality of the printed image, lamination and coating.

ISRA Vision GmbH  

https://www.isravision.com

The new inspection system for the production of pouch cells for lithium-ion batteries reliably detects surface defects, impurities and damage.

2022-09-20 - Isra

Verpackungsmittel aus Kunststoffen

Kunststoffverarbeitung

Messe Fakuma

Elektrotechnik, Elektronik

Verpackungstechnik

issue 02/2023

issue 01/2023

issue 09/2022

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