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Force Measurement in Steel Pipe Straightening Machine

Customer Comment

After installation of the KIP and AST we are now able to complete our calibration process using just two pipes. We have spent 25 years looking for a good solution to this problem, and with the BLH Nobel installation we have at last found a much easier way to calibrate our machine with much less waste and a good cost saving.

The Challenge

Our customer produces metal pipes and tubes and is a globally-recognized brand based in Sweden. They experienced problems with measuring the force in a pipe and tube straightening machine, everytime resulting in destruction of the pipe, which was bad for business.

Our Solution

BLH Nobel recognized the importance of increasing the accuracy of the force measurement. If force curves were visible, then force levels could be optimized to produce straight, high-quality pipes. The result would substantially reduce waste and increase savings.

We installed KIP 20 kN load cells  on the rollers to increase the accuracy of the force measurement, using two load cells per roller. The load cells were connected in parallel through a summing box to an  AST 3P transmitter. The transmitter’s signal was connected to the BLH Nobel data logger software, enabling proper control of the roller force, and  graphic and numeric visibility of the measured forces to the user.