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Numerous production steps are necessary before merchandise is packed ready for shipment – involving just as many different detection tasks along the packaging line. Sensors from SensoPart guarantee the smooth overall functioning. One typical example is chocolate bars: They are usually packed in flow pack wrappers that are supplied from a coil in the form of an endless tube. FT 55-RLAM laser distance sensors continually monitor the thickness of the coil, and the tension of the material, to ensure a seamless feeding process. A multi-color contrast sensor from the FT 25-RGB series uses registration marks to identify where the coil has to be cut into single packs, while an FT 25 RH photoelectric proximity sensor detects the precise position of the individual wrappers before they are filled. Thanks to high-precision background suppression, reliable results are guaranteed regardless of extraneous light and reflections.
The reliable detection of printed markings is the speciality of the contrast sensors FT 25-W and FT 25-RGB. Even the slightest differences in contrast between printed mark and background can be evaluated; even shiny materials or material flutter do not impair detection. Thanks to the high switching frequency of up to 25 kHz, the sensors provide reliable results even in very fast processes. For batch changes, IO-Link offers sensor changeover during the running process.
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In order to ensure a uniform supply of continuous packaging from the coil, two analogue laser distance sensors of the FT 55-RLAM type continuously check the thickness of the coil and the position of the dancer roller, which controls the sag of the material. The measurement is reliable and independent of the surface condition of the packaging material. On request, the data can be sent directly from the device in mm via IO-Link, thus eliminating the need for time-consuming conversions.
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The VISOR® Code Reader reads all kinds of printed codes, regardless of whether the surface is shiny, curved or colored. Even reflections generated by foils can be faded out by using the easy-to-install polarization attachment, which further increases the reading accuracy of the vision sensor.
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The following application examples show you the possible uses of our products in practice.
During final product control, it is to be checked that the products have a uniform appearance. The aim of the application is to guarantee the correct position of adhesive labels on packaging so that the products appear identical on the sales shelf.
During final product control it is checked that the products are correctly sealed. The aim of this application is to check that closures are fully sealed so that products cannot leak during transport.
The labeling of the battery pack requires the manual application of safety and identification stickers. Incorrect or inaccurately positioned labels could lead to misinterpretation or misuse of the battery pack, necessitating label verification.
When manufacturing ball bearings, it is vital to know that the bearing has the full number of balls. The aim of the application is to inspect a ball bearing after assembly to ensure it is complete.
Once packed, the end products must be stacked on transport pallets. However, the position of the boxes can fluctuate as they arrive, and their density on the conveyor belt can also change due to different cycle times.
When filling glass bottles or labelling bottles, it is essential to be sure that the bottle is present under the tool in the machine.
Throughout the production process, a large quantity of data is generated that has to be monitored and checked. The operator must be able to consult, manage and evaluate this data easily in order to identify and implement any necessary modifications to the process.