Lathe Vocabulary

4. The main rotating shaft of the lathe that drives the chuck.
7. The front protective plate of the carriage that houses the feed gears and levers.
8. The heavy, flat foundation rails that the carriage and tailstock slide along.
9. Cutting the end of a workpiece to make it flat and square to its centerline.
11. The assembly that moves the cutting tool along the bed of the lathe.
12. The operation of cutting completely through a workpiece to separate it from the raw stock.
13. The speed at which the cutting tool advances along or into the workpiece.
15. The clamping device mounted on the carriage that holds the cutting tool holder in place.
17. The clamping device with adjustable jaws that grips and spins the workpiece.
18. The casting on the left side of the lathe that houses the motor, gears, and spindle.
19. Pressing a textured pattern onto a metal part to provide a better grip.

1. A support clamped to the bed ways to keep long, thin workpieces from bending while being cut.
2. The precision-ground tracks on the lathe bed that guide the carriage and tailstock.
3. Cutting a small, angled surface (usually 45 degrees) on the edge of a part to remove sharp corners.
5. A long, threaded rod used to move the carriage automatically for thread cutting.
6. Enlarging or finishing an existing internal hole using a single-point tool.
10. The movable support at the right end of the lathe used for holding drills or centering long parts.
14. Cutting helical grooves into a workpiece to create a screw or bolt.
16. Cutting material off the outside diameter of a spinning workpiece to reduce its size.
20. Revolutions Per Minute; how fast the lathe spindle and workpiece are spinning.