FIELD: product straightening process control. SUBSTANCE: method for product straightening process control includes continuous, from the start of deforming, determination of the product rigidity as derivative of load with respect to displacement and as derivative of rigidity with respect to displacement. Then the latter is compared to zero, thus defining the deformation stages, and the product material mechanical properties are defined for each stage. The required displacement value is determined judging by the said defined mechanical properties and is compared with the current displacement. When the two values are equal the straightening process is stopped. EFFECT: increased effectiveness of the process. 6 dwg
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Authors
Dates
1994-01-30—Published
1991-10-10—Filed