国产在线欧美在线日韩专区_午夜亚洲日韩精品一区二区_国产在线视频二去三区夏幕_国产AV无码国产AV毛片_草草视频在线观看最新_人妻 自慰 偷窥 无码_高清少妇中文日本_美女被啪啪到高潮视频免费_免费人妻中文字幕_538在线国产在线

Side hole machining is a process of drilling side holes on a workpiece. Firstly, it is necessary to select the appropriate side hole position on the workpiece and use the guiding device of the side hole machine to guide the drill bit to the correct position. Then, start the side hole machine, and the drill bit will drill side holes along the path of the guide device. During the drilling process, it is necessary to regularly check the wear of the drill bit and replace it as needed., After the side hole machining is completed, it is necessary to inspect the workpiece to ensure that the size and position of the side hole meet the requirements.