Method for correcting ovality of large-diameter steel elbow and special electronic ruler

• Main Authors: DENG XIAOJUAN, XUE HAO, LIU GUOLIANG, ZHANG YUZHU, LI SHIFENG, OU LILI, ZHENG MENGYANG
• Format: Patent
• Language: Chinese; English
• Published: 14.03.2023
• Subjects: MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; PHYSICS; TESTING

The invention belongs to the technical field of correction of the ovality of a large-diameter steel elbow, and discloses a correction method for the ovality of the large-diameter steel elbow, which comprises the following steps of: 1, positioning before ovality deformation detection of the large-dia...