| 摘要 |
PURPOSE: A portable boring machine is provided to improve the accuracy of processing a hole as the level of a boring bar is accurately adjusted by a width adjusting unit and a height adjusting unit. CONSTITUTION: A portable boring machine comprises a boring bar(100), a bearing unit(300), a seat(200), and a boring bar transferring unit(400). The boring bar rotates by a driving drill(600), and process the inner diameter of a hole using a bite(110). The bearing unit comprises a bearing body(310) and a height adjusting unit(320). The boring bar is inserted into the bearing hole of the bearing body. The height adjusting unit is installed on both sides of the bearing body, and adjusts the installation height of the boring bar. A width adjusting unit(230) of a seat is formed on both upper sides of a horizontal support plate(220), and moves the bearing unit. The boring bar transferring unit moves the boring bar from one end of the inner diameter of the hole to the other end by pushing the driving drill.
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