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CONTACT AND NON-CONTACT STRIP WIDTH MEASUREMENT

Combined strip thickness and strip width gauge in operation Narrow strip mills up to a strip width of about 100 mm are often equipped with combined strip thickness / strip width gauges. Strip thickness measurement is realised as described above. There are two alternatives for the strip width measurement: Contact strip width measurement Non-contact strip width measurement Contact Strip Width Measurement Width and thickness gauge combination The contact strip width gauge is usually installed in combination with a contact strip thickness gauge. Transducers touch the strip edge on both sides, the evaluation of the differential signal results is the strip width. The basic difference to the measurement of the strip thickness is the design of the diamond contacts as oblong shapes (blades), preventing the transducer from slipping off the edge in case of unsteady strip pass line. Contact measurement is unbeatable in the case of very oily strip or mill mists. ... on Narrow Strip / Profile - Leaflet for download (German/English) VBK-VABL.pdf (2 MB) Non-Contact Strip Width Measurement By laser measurement system As an alternative to the strip edge detection by contacting transducers, a laser measurement system is installed, measuring the strip width per a back shadow principle. With relatively clean strip and good strip guidance, this technology is an alternative to the contact measurement.