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2. Automatic lathe - Wikipedia

   en.wikipedia.org/wiki/Automatic_lathe

   The 1760–1840 development arc was a tremendous technological advance, but later advancements would make screws even cheaper and more prevalent yet again. These began in the 1840s with the adaptation of the engine lathe with a turret-head toolholder to create the turret lathe. This development greatly reduced the time, effort, and skill needed ...

3. Multiaxis machining - Wikipedia

   en.wikipedia.org/wiki/Multiaxis_machining

   Multiaxis machining is a manufacturing process that involves tools that move in 4 or more directions and are used to manufacture parts out of metal or other materials by milling away excess material, by water jet cutting or by laser cutting. This type of machining was originally performed mechanically on large complex machines.

4. Metal lathe - Wikipedia

   en.wikipedia.org/wiki/Metal_lathe

   For example, a centering lathe is a dual head machine where the work remains fixed and the heads move towards the workpiece and machine a center drill hole into each end. The resulting workpiece may then be used "between centers" in another operation. The usage of the term metal lathe may also be considered somewhat outdated these days ...

5. Numerical control - Wikipedia

   en.wikipedia.org/wiki/Numerical_control

   Can efficiently cut materials into small pieces while simultaneously utilizing a diversified set of tooling. Multi-spindle machines have multiple spindles on a drum that rotates on a horizontal or vertical axis. The drum contains a drill head which consists of several spindles that are mounted on ball bearings and driven by gears. There are two ...

6. Spindle (tool) - Wikipedia

   en.wikipedia.org/wiki/Spindle_(tool)

   Examples of spindles include On a lathe (whether wood lathe or metal lathe), the spindle is the heart of the headstock. In rotating-cutter woodworking machinery, the spindle is the part on which shaped milling cutters are mounted for cutting features (such as rebates, beads, and curves) into mouldings and similar millwork.

7. Machine taper - Wikipedia

   en.wikipedia.org/wiki/Machine_taper

   Drill chucks mounted by Jacobs tapers onto arbors with Morse tapers for the spindle. Spindle nose on a lathe headstock. The small female taper is a Morse taper to take a lathe center or a tool such as a twist drill. The large male taper takes a lathe chuck, which is retained by the large nut.