platen

• 名词，指机械中的平板或滚筒，例如机床的工作台、印刷机的压印板，或打字机中压住纸张的滚筒。

A noun referring to a flat plate or roller in a machine, such as the work table of a machine tool, the pressing plate of a printing press, or the roller in a typewriter that holds the paper.

1. Machine tool work tableC1formaltechnical

   The flat, rigid table of a machine tool, such as a planer or milling machine, that holds the workpiece in place during operation.

   机床工作台

   • The machinist secured the metal block to the platen of the planer.
   • A magnetic chuck is often used to hold ferrous parts on the platen.
   • The platen moves back and forth under the cutting tool.

   同义词tablework tableworktable

2. Printing press plateC1formaltechnical

   The flat metal plate in a printing press that presses the paper against the inked type to create an impression.

   印刷机压板

   • The operator adjusted the pressure of the platen for a clean print.
   • In a letterpress, the platen brings the paper into contact with the type.
   • The platen must be perfectly level to ensure even printing.

3. Typewriter rollerB2formaltechnical

   The cylindrical roller on a typewriter or printer around which the paper is fed and against which the type bars or print head strike.

   打字机滚筒

   • She rolled the paper around the platen of the typewriter.
   • The platen needs to be cleaned to prevent ink smudges.
   • Adjust the platen knob to align the paper correctly.

   同义词cylinderroller