四虎影视国产精品免费-欧美日韩欧美国产精品-精品久久只有精品做人人-青青草久久这里只有精品

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.