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7-The Milling Machine - Movements
There are four basic movements of the vertical mill. The table moves in three directions and the quill moves in one direction.

You have control of the mill table in the longitudinal (or X) direction via the table's handles which are mounted on the right and left ends of the table.

You have control of the mill table in the cross (or Y) direction via the table's handle which is mounted on the front of the saddle.

You have control of the mill table in the vertical (or Z) direction via the table's knee axis handle which is mounted at the front left side of the knee.

The three movements of the table shown above can be controlled (set) with some repeatable accuracy by using the micrometer collar on each handle. This video shows the micrometer collars on the able and knee handles and how they can be set and locked to a reference reading.

You also have control of the (or Z) direction (parallel to the knee axis handle) via the head's quill feed which uses a rack and pinion gear to move the cutting tool up and down vertically.

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