Compound boring tool

Abstract

The utility model relates to metal cutting tool technical field, specifically disclose a kind of composite boring cutter, including tool body, the middle part of tool body upper end surface is fixedly provided with shank by screw, tool body and shank axial cooperation are arranged, tool body includes two extension ends respectively arranged in two sides, two extension ends are about shank center symmetry, and the opposite side of two extension ends is provided with main cutting edge, the opposite side of two extension ends is spaced apart and provided with rough boring module and fine boring module, rough boring module and fine boring module are fixedly set on extension end by clamping mechanism, precision adjusting mechanism is set on rough boring module and fine boring module, for the precision of rough boring module and fine boring module is adjusted.The utility model is through the setting rough boring module and fine boring module, realized the split design of composite boring cutter, can realize the processing of different size cylinder hole, and the versatility is strong, improves the processing precision, and also improves processing quality and processing efficiency.

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