Method for repairing shaft sleeve of large stock cutter

• Main Authors: ZHANG HONGGANG, WENG SHIXI, ZHOU BAOXIN, SUN FULI, LIU CHANG, DU BIN, GU YANAN, TENG HE, XIA ZHIHAO
• Format: Patent
• Language: Chinese; English
• Published: 04.04.2023
• Subjects: COMBINED OPERATIONS; MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; OTHER WORKING OF METAL; PERFORMING OPERATIONS; TRANSPORTING; UNIVERSAL MACHINE TOOLS

The invention discloses a large stock cutter shaft sleeve repairing method. The invention relates to the technical field of shaft sleeve repair. The problems that a welding mode is adopted for repairing a shaft sleeve of an existing large stock cutter, the welding position is prone to breakage, and potential safety hazards are caused to work of the stock cutter are solved. The method comprises the following steps that a semicircular ring is transformed, wherein a positioning ring is machined in the middle of the inner side wall of the semicircular ring; a fastening sleeve is additionally arranged in a semicircle on the front side of the connecting rod, and a positioning groove is machined in the middle of the outer side wall of the fastening sleeve; connecting a semicircular ring: sleeving the semicircular ring on the outer side wall of one side of the fastening sleeve; fixing the semicircular ring: welding and fixing the radial end surface of the semicircular ring and the front side end surface of the connec