旋盤

1. Origins, structure, and basic meaning

• Structure: 旋盤, read せんばん, combines rotation 旋 with working bed or plate 盤 as a machine-tool name.
• Basic usage: It denotes a machine tool that turns material while cutting it, as in 旋盤で金属を削る.

2. Common pitfalls and similar expressions

• Scope and context
  • In 旋盤を動かす the machine is the object, while in 旋盤で削る the particle で marks the means of machining.