The workpiece is usually held in place by either one or two centers, at least one of which can typically be moved horizontally to accommodate varying workpiece lengths. Ornamental lathes can produce three-dimensional solids of incredible complexity. Most suitably equipped metalworking lathes can also be used to produce most solids of revolution, plane surfaces and screw threads or helices. Lathes can be used to shape pottery, the best-known design being the Potter's wheel. Lathes are used in woodturning, metalworking, metal spinning, thermal spraying, parts reclamation, and glass-working. A watchmaker using a lathe to prepare a component cut from copper for a watchĪ lathe ( / l eɪ ð/) is a machine tool that rotates a workpiece about an axis of rotation to perform various operations such as cutting, sanding, knurling, drilling, deformation, facing, and turning, with tools that are applied to the workpiece to create an object with symmetry about that axis.
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