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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 could not calibrate their pipe and tube straightening machine without incurring a high level of pipe destruction, which was costly for their 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 data of the measured forces was visible to the user.