PRODUCTS & EQUIPMENT On-line quality assurance Zumbach’s BENDCHECK measures the straightness of round pipes and rods in real time W
hether diameter and ovality of steel rods and pipes are
precise and within the required tolerances, can already be measured and monitored during
the production process. Measuring solutions integrated
in the production line supply all the data necessary for a correct quality check for straightness. Manual checks, complex calibration scenarios and high
material losses are a thing of the past. Faulty production can be eliminated directly during ongoing production thanks to the non-contact, high precision ODAC® laser gauges of the BENDCHECK system.
BENDCHECK guarantees straightness by: •synchronous real time measuring with ODAC® laser scanners in the production process •non-contact, high precision data sampling independent of oscillations •direct integration in the production process according to customer specific requirements •intuitive software for evaluation of high-speed data •clear display with diameter, absolute bend value, bend angle as well as individual current measuring values Assure the quality of your steel pipes directly after the straightening process!
Customer specific system installation with 3 ODAC® 18XY laser measuring heads
BENDCHECK measuring process
A minimum of 3 measuring heads are used to measure straightness. The product is normally rotated along the longitudinal axis during the measuring process to detect all deviations in all directions (rolling process). The BENDCHECK system determines the bending of round products. It measures the position and diameter of the pipe at 3 different positions along the axis. BENDCHECK calculates the deviation of the position of the middle measuring head from the position of the right measuring head. This value is then either divided by the distance or distance squared, the user can select the formula required to calculate the bend.
The bending of the product is continuously shown on a graph on the display panel. A mini-statistic also shows the 5 maximum bend values in the product currently being measured.
12 IMT September 2015
www.internationalmetaltube.com
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