What is the difference between a lathe and a milling machine?

Lathe is generally processing shaft, sleeve, disk, pad and other parts, generally horizontal lathe is the main, of course, large lathes also have vertical and other forms, lathes generally have tool holders, used in accordance with the tool, processing form is generally tool feed movement, the main motion for the workpiece rotary motion Turning used to process rotary parts.

The parts are clamped on the spindle of the machine tool by three gripping chucks and rotated at high speed, then the turning tool is used to follow the bus line of the rotary body to cut out the product appearance. The lathe can also process bore, thread, nibble, etc., the latter two are low-speed processing. CNC lathe can process complex rotary shape.

Milling machines are generally used to process slotted workpieces, such as splines of spline shafts, keyways of shafts, teeth of gears, etc. Of course, milling of flat surfaces is also possible, and milling machines are generally horizontal for small machines and gantry for large machines.

The processing form is generally the opposite of lathe, the main motion is the tool rotation motion, the workpiece movement for the feed motion Milling is to fix the blank, with high-speed rotating milling cutter on the blank, cut out the required shape and features.

Conventional milling is more often used to mill simple shapes/features such as contours and slots. CNC milling machines can perform machining of complex shapes and features.

Milling and boring machining centers can perform 3-axis or multi-axis milling and boring for machining, molds, inspection tools, tire tools, thin-walled complex surfaces, artificial prostheses, blades, etc.

Grinding machines are generally designed to improve the quality of workpiece processing and improve the surface finish of the workpiece machine tools, small machines are also mainly horizontal, large machines for rail grinding.

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