The whole mechanism working at the top of the column is called the head. The main parts of the head include spindle (spindle) is placed on top of the head, you can use hand-pulled it vertically, also known as Quill. The structure of this department work as it is pulled down through a rack-and-pinion simple thanks to the lever gearing (a feed lever). Once done, the actions taken Quill return its original position thanks to the machine's motor. You must lock Quill before reinstalling it to a depth appropriate to remember that you want to adjust the depth will depend on the size hole you want. Most of Quill stroke about 2 to 3-1 / 4 inches.
đang được dịch, vui lòng đợi..
