Auxiliary tool for drilling center hole in crankshaft

• Main Authors: QU CHUANHU, QIU YANHUA, WANG JINFU, WANG JIBIN, ZHAO DEJUN
• Format: Patent
• Language: Chinese; English
• Published: 30.11.2021
• Subjects: BORING; MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; TRANSPORTING; TURNING

The utility model relates to an auxiliary tool for drilling a central hole in a crankshaft, which is characterized in that a hollow blind hole is processed in the center of the front end of a taper shank shaft, a step excircle is processed at the excircle shaft of the head, and a boss is arranged; a...