Two bore a boring combination cutting tool with adjustable

• Main Author: HUANG CHUHAO
• Format: Patent
• Language: English
• Published: 23.12.2015
• Subjects: BORING; MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; TRANSPORTING; TURNING

The utility model provides a two bore a boring combination cutting tool with adjustable. The utility model provides a: a two bore a boring combination cutting tool with adjustable, includes first bit, big drill bit, big bit body, boring cutter, the boring cutter body, screw and cutter arbor, the first bit sets up in the hole of big drill bit and big bit body and cutter arbor with the fits that moves about to by screw locking location, big bit body matches with the screw mode with the cutter arbor, and its left end is equipped with with it the big drill bit that links to each other with the brazing mode, and the boring cutter sets up on the boring cutter body with the brazing mode, boring cutter sinistron end is equipped with four elasticity grooves, and boring cutter sinistron end matches with the cutter arbor tapering, and its right -hand member cooperatees with the screw thread mode with the cutter arbor, the material of big drill bit and boring cutter is carbide. The beneficial effects of the utility model are that: just once can come out the big aperture simultaneous processing in front and back, productivity ratio improves more than the one time, the back boring of preceding brill, and the machining precision is high, and is of high quality.