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To solve additional local waviness of uncoiled strip caused by local high spot, the destabilization waviness model was established, and the critical destabilization value of additional local waviness was deduced based on strip energy theory and local high spot layers stress model. The influence of local high spot on additional local waviness of uncoiled strip was quantitatively analysed by numerical...
Research and application on shape meter are introduced, especially in China. A self-made MPIBPST (multi-roll-piece inner bore piezomagnetic sensor type) shape meter roll for cold-rolled steel strip was applied in to the industrial test. MPIBPST means that one shape meter roll is made up of some roll-picesce, there are two bores in each roll picesce, and each inner bore contains one piezomagnetic sensor...
A contact shape meter with new structure, called MPIBPST(Multi-Roll-Piece Inner Bore Piezomagnetic Sensor Type) shape meter, for cold-rolled steel strip is developed, and it is applied to 1050II HC mill. Optimization design on the structure of shape meter roll is carried out and shape signal is compensated properly from several perspectives, for example, shape meter roll deflection, strip temperature...
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