Laboratory Products 63 Real-time Drop Analysis for Inkjet Printing
In April, Krüss will unveil its new Drop Shape Analyzer – DSA Inkjet, a measuring instrument for analysing the properties and flight behaviour of ink drops after exiting the print head.
During ink development and quality assurance, the interaction between the print head control and the ink must therefore be perfectly adjusted and monitored. The DSA Inkjet was specifically designed for this task. With its integrated printer electronics, it communicates directly with the print head installed in the instrument and analyses the ink drops in real time.
Once the print head has been inserted into the instrument in a just few simple steps, the intuitive waveform editor realistically simulates the electronic control in a printing process. The microscopic lens depicts the drop beam in a sharp and high-contrast manner. The DSA Inkjet uses an imaginative method to precisely analyse ink drops of just a few picolitres at flight speeds of up to 40 m/s: two different-coloured light flashes in swift succession provide double exposure of the drop in a single colour camera video image. By separating the colour channels, discrete images of the same drop are obtained at intervals of a few milliseconds.
The software-controlled measurement provides mean values for the drop’s volume and speed, trajectory (deviation from the vertical), length of the ligament and number of possible unwanted satellite drops. The data is generated as immediate feedback on the dynamically adjustable print parameters and is particularly suitable for checking an ink or optimising the printing process. Easy-to-create automation programs also enable measurements under repeatable conditions to test ink formulations in a standardised manner.
A separate lens observes the nozzles from below to make unwanted ink drops visible on the rows of nozzles. Another innovative development makes it easier to measure real drop dimensions such as volume or ligament length. The image scale is automatically determined with the aid of a calibration grid regularly projected into the camera image.
Inserting the print head and focusing on individual nozzles is a matter of a few simple steps thanks to the 3D fine positioning. The instrument is also equipped with a storage tank to supply the print head with ink during long-term measurements, whereby the drops are collected in a waste container. A suction device prevents harmful vapours. Thanks to a UV protection cover, UV-curing inks such as those used for 3D printing can also be examined.
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Biggest Software Update in Company History Announced
IndySoft, a leader in calibration and asset management software, have just announced a new release of its software, IndySoft Version 12. IndySoft’s latest release takes the best-in-class software and makes it even better with over 200 new features and enhancements; the largest update in the company’s 20- year history.
“We are very excited about the updates in Version 12 because they all came about as direct requests from our customer base,” noted Chief Technology Officer, Rhett Price. “This release is all about the implementation of features that will solve the problems that our customers brought to us.”
One such problem was syncing data back to the lab when a calibration technician did off-site field work where internet access was not available. IndySoft came up with an elegant solution where a starter database is created once a week that includes off-site workflows, security settings, masters and historical data, equipment templates and charges, and calibration procedures. Prior to heading out to do their field work the technician selects the companies that they will be visiting, and the starter database, equipment, history and work orders are all downloaded onto the technician’s device. During the week the technician would perform their calibrations as normal, enter the data into IndySoft, then once their computer detects that they are connected to the
internet again their results are pushed back to the lab, and lab updates such as calibration procedure or master modifications automatically are sent to the field technician.
From test points, to events, to customer information, there are over 60 new fields that allow for complete customisation. The user is able to determine which fields are hidden or visible, so the user experience is tailored to every individual customer’s requirements.
Version 12 introduces IndySoft Spreadsheet, an Excel clone, into the software. It allows users to work natively with the popular spreadsheet document file environment without using any external spreadsheet software. It works with .xlsx, .xls, .csv and .txt files, so most calibration results already written in Excel can be performed with IndySoft Spreadsheet.
“ISO/IEC 17025 compliance is critical to IndySoft customers. so we received a good deal of feedback from our customers requesting making revision status and change tracking easier to manage. As a result, we added automated revision control to our certificates and a version control system that tracks changes, documents, and allows roll-back to prior versions for all customisable areas of the software,” remarked Price.
IndySoft has long been a leader in the calibration management software sector. With the introduction of Version 12, IndySoft further offers commercial calibration companies and enterprise customers performing internal calibrations innovative solutions to solve their problems, improve their processes and create efficiencies while providing the required documentation to ensure compliance with their particular industry’s standards.
More information online:
ilmt.co/PL/gyOJ 48621pr@reply-direct.com
Simple Safe Parallel Reaction Sampling
Asynt has introduced the DrySyn OCTO Mini Conversion Kit to enable chemists to efficiently sample reactions performed using their DrySyn OCTO 8-position parallel synthesiser.
The DrySyn OCTO is a compact, entry-level parallel synthesiser for chemists wishing to conduct synthetic reactions under an inert atmosphere with temperature control and powerful magnetic stirring. The new Mini
Conversion Kit lets you quickly adapt a standard DrySyn OCTO unit for use with shorter length reaction tubes, enabling faster reaction sampling with disposable needles. Therefore, using the conversion kit, a standard DrySyn OCTO can provide a simple solution for both sampling and reflux applications.
More information online:
ilmt.co/PL/kyzo 48338pr@reply-direct.com
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