| 摘要 |
PURPOSE: A portable slab serial number marking device is provided to have effect to uniform the size and character font of generic number when marking the generic number of slab. CONSTITUTION: A portable slab serial number marking device includes a main body, an ink supply unit, an ink distribution unit(130), a switching unit(140), an ink jet unit(150), a transition speed sensor(160), a controller(171). The main body can be moved along the slab. The ink supply unit supplies the ink by installed to a main body. The ink distribution unit distributes the ink of the ink supply unit to a plurality of distribution path after the ink is flown in. The switching unit comprises a plurality of valve which opens and closes each distribution path. The ink distribution unit comprises a plurality of ink distribution nozzle to distribute the ink by being connected to each distribution path. The moving speed sensing unit sense the moving speed of a main body when the main body is moved from the slab. The controller selectively opens and closes the valve of open and close unit according to the generic number which will be marked with a moving speed with a main body.
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