| 摘要 |
PURPOSE: A high speed print nozzle is provided to increase resolution by narrowing the gap of dots between assembled heads in connecting the heads of a large marking system in parallel and to supply an effective marking device and a method in manufacturing a large character marking system by using plural heads. CONSTITUTION: In a shape and an assembly method of a head used for an industrial marking machine, characters and pictures are output by injecting ink through each nozzle operated by a valve and combining dots of the injected ink. The resolution of the character or picture is increased by narrowing a gap between adjacent heads of the nozzle connected in parallel. The nozzle head is replaced as a unit of a module by aligning a series of the ink nozzles in parallel and marks the line one by one without the gap.
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