Learn more about the projects that showcase the talent and innovation at work here at invi technologies!
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Visual Quality Control System for Paper Pulp Moulded Tableware
Paper pulp based tableware is becoming an increasingly sought-after alternative to conventional single use plastic. In the wake of this boom, manufacturers face the challenge of adequate quality control for large production batches. This isn’t just about clearing out defective products, however. The enormous demand makes it ever more necessary to focus on high manufacturing speeds and automation.
Together with its partner Foshan Rossum Robotics Co., Ltd. (formerly Foshan Longshen), invi technologies tackles this problem with its fully automated visual inspection system that increases throughput as well as inspection frequency and quality. Thanks to our contribution, we can help to make sure that only immaculate tableware makes its way to the customers.
The inspection system made by invi technologies incorporates machine vision, and industrial automation to offer the client a convenient all-in-one solution for quality control. Loading, analyzing, and even sorting are all taken care of.
The system can be integrated into an existing manufacturing setup or be used as a standalone unit. Inspection parameters can be defined and selected at will by the client. Furthermore, the system can be used for various product lines since it is not limited to any given model or mould size. Neither adding new parameters nor tableware models requires external support.
With the help of the invi technologies inspection system, paper pulp based tableware can be inspected for defects item by item before it makes its way to the customer. Thanks to our vision system, front and back of articles can be analyzed to detect sanitary pollution, black spots, colour spots, encased hair, slurries, wrinkles, water stains, tear damage, light transmission, macula, or yellow disk. Following the inspection, articles get sorted by an integrated automation system that discards defective items.
With our work on this project, we are proud to support the societal pivot towards sustainable solutions for single use tableware. The shift away from plastics and towards renewable biodegradable resources like paper pulp ultimately leads to less plastic waste, not just on land but also in our oceans. We here at invi technologies are glad we got this chance to do our part.
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Positioning System for FPC Boards
Flexible Printed Circuits (FPCs) are designed for use cases where circuitry needs to fit into tight or uneven spaces, or is subject to frequent deformation. Instead of the usual rigid boards, FPCs are printed on polymer sheets. FPC technology is essential for a variety of applications, ranging from cameras and smartphones over ink jet printers and medical devices all the way to automotive technology.
The ever-diminishing size of these appliances calls for more miniaturization and packing density of the associated circuits. This in turn leads to increasingly demanding precision requirements during production that can hardly be met by human employees anymore. Companies are thus faced with the requirement to switch to automated processes to meet these strict conditions. Manufacturing for this order of magnitude however means that even miniscule deviations are enough to introduce significant problems for the quality of the produced FPC boards.
A vision-based positioning system capable of aligning each board individually with high precision poses the solution to this dilemma.
The invi technologies positioning system for FPC boards for Shenzhen Armbrothers Automation Technology Co.,Ltd complements existing pick & place installations. The system draws its power from machine vision and supplements the loading phase of the manufacturing process. The feature points used for the vision analysis can be selected from edges, corners, contours, or marker points. The system is reliable, easy to use, and has a high repeat positioning accuracy. Users can comfortably add new features to the system with the help of One Key Teaching and automatic feature collection. Settings for different models can be stored and are never more than a click away.
The positioning system has a scope of recognition of 100 x 80 mm minimum to 255 x 225 mm maximum. The positioning accuracy is ± 0.05 mm on the x and y axes and ± 0.1 degrees rotation wise. The time of positioning is on average 500 ms. Incoming boards can be repositioned within a scope of output of + 30 mm / – 5 mm on the x and y axes and ± 10 degrees for the rotation. The system communicates with its control PC via Modbus TCP.
| Scope of recognition: | min: 100 x 80 mm
max: 255 x 225 mm |
| Positioning accuracy: | x: ± 0.05 mm
y: ± 0.05 mm
Rotation: ± 0.1 degrees |
| Positioning time: | 500 ms |
| Scope of output: | x: + 30 mm / – 5 mm
y: + 30 mm / – 5 mm
Rotation: ± 10 degrees |
| Communication: | Modbus TCP |
Our technology furthers the increasingly required automation needed in FPC manufacturing. This enables companies to aim for higher throughput, faster production times, smaller cost, and ultimately better quality of a technology that continues to expand into the core areas of our lives. With this, the “devices of tomorrow” are coming closer and closer to becoming a reality for everyone.
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