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Tag Archives: milling workshop

COMMON MILLING OPERATIONS

Machining Steps and Squaring Common milling operations on the vertical mill include machining steps (Figure J-50) and squaring or machining two surfaces perpendicular to each other (Figure J-51). The ends of the workpiece can be machined square and to a given length by using the peripheral teeth of an end mill. If a large amount …

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WORK HOLDING ON THE VERTICAL MILL

The two most common work-holding methods on the vertical mill are securing parts directly to the table by means of clamps or by holding them in a mill vise. Mounting Directly to the Table Mounting a workpiece directly to the machine table is an excellent work-holding method. The same clamping techniques that you learned in drilling are applied in milling. Be careful not to distort the workpiece when …

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SQUARING THE TOOLHEAD

On many vertical mills, although not all, the toolhead can be swiveled relative to the table and saddle axes (Figure J-31). This feature adds to the versatility of the machine tool, because it permits drilling and milling on angled surfaces. However, by far the largest number of milling and drilling operations are done …

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LOCKS, ADJUSTMENTS, AND MAINTENANCE

The knee, saddle, table, and quill are all equipped with locks that will prevent movement of these parts (Figure J-6). During machining, all axes except the moving one should be locked. This will increase the rigidity of the setup. Do not use these clamping devices to compensate for wear on …

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