Which vertical milling machine component is labeled as 9?

The vertical traverse lever is essential for controlling the vertical movement of the milling machine's head, which allows the operator to raise or lower the cutting tool. Understanding this component's function is critical for efficient milling operations, as it directly affects the depth of cut made on the workpiece.

The vertical traverse lever is typically located in such a way that it facilitates smooth movement, providing the operator with greater precision when positioning the tool. This control mechanism allows for better adaptability when working with materials of varying thicknesses or when different cutting depths are required for specific milling tasks. Mastering the use of the vertical traverse lever contributes to a higher level of accuracy and efficiency in milling processes, which is vital in achieving the desired outcomes in machining tasks.