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    • 1. 发明授权
    • 건조광의 지지롤러 접선방향 조사에 의한 컬러 옵셋인쇄기의 잉크건조장치
    • 彩色胶印机的油墨干燥装置通过在压印滚筒上的切向照明
    • KR101072847B1
    • 2011-10-19
    • KR1020110073827
    • 2011-07-26
    • 강태수최병대조유순김지현한라전산주식회사
    • 강태수최병대조유순김지현이석규
    • B41F23/00B41F3/52
    • 특정색의인쇄단계에서원판필름의망점분포와망점크기를영역별로미리분석하여건조광이조사되어야할 영역들을결정하고. 적외선과자외선을얇은슬릿광형태로조사하되슬릿의길이방향으로미세한단위반사판이촘촘히배열된반사판어레이에의해용지의특정위치에원하는넓이만큼건조광을조사할수 있는옵셋인쇄기의잉크건조장치가개시된다. 본발명은고속컬러옵셋인쇄과정에서각 색깔별 망점크기와망점밀도에따라잉크가조밀하게도포된영역에만선택적으로적외선또는자외선을조사하여인쇄물을건조시키되, 각색깔별인쇄단계의사이에서지지롤러외주면에대해접선방향으로건조광을조사하도록한 것으로, 인쇄용지에미치는영향을최소화하면서잉크가다량전사된영역만을선택적으로신속하게건조시킬수 있다. 메인제어기와개별제어부에의해결정된건조광조사영역은용지의전사롤러(블랭킷롤 = offset cylinder) 진입시점에맞추어검증되고지지롤러를따라인쇄된용지가배출되는과정에서사전에계산된인쇄영역이광 조사위치에도달하면그 시점에반사판어레이의해당단위반사판들이빠르게작동하여원하는폭과길이만큼건조광선을쏘아준다. 본발명은잉크가한번전사되었거나, 또는옅게전사되었거나, 또는글자입력부와같이사진도시부에비해상대적으로잉크가적게전사된부분에는불필요한건조작용을가하지않으므로종래의건조장치에비해용지의변형이크게줄어드는효과가있다. 따라서코팅지나얇은종이와같이건조가어려운인쇄용지를사용하는고속컬러옵셋인쇄에도효과적으로적용가능하다.
    • 2. 发明公开
    • 건조광의 지지롤러 접선방향 조사에 의한 컬러 옵셋인쇄기의 잉크건조장치
    • 彩色偏压机的冲洗装置通过印字缸上的张力照明
    • KR1020110091495A
    • 2011-08-11
    • KR1020110073827
    • 2011-07-26
    • 강태수최병대조유순김지현한라전산주식회사
    • 강태수최병대조유순김지현이석규
    • B41F23/00B41F3/52
    • B41F23/00B41F3/52B41F13/20
    • PURPOSE: An ink drying device of a color offset printer by irradiation of dry light in the tangential direction of a support roller is provided to optimize a drying effect by irradiation of dry light applied as needed depending on the size of a halftone dot depending on overlapping level by each color and the coated amount of ink on a halftone-dot area, on which ink is coated. CONSTITUTION: A main controller previously analyzes halftone-dot's distribution and size of an original film by each color and determines the whole area to irradiate dry light. An individual control unit(103) is arranged on printer by each color, stores information on dry-light irradiating areas by printing step of each color from the main controller and operates based on the information. A signal processing unit(104) transfers information between the main controller and the individual control unit. A first position sensor senses the entry of a transfer roller of paper and transfers it to the individual control unit.
    • 目的:提供通过在支撑辊的切线方向上照射干燥光的彩色胶版印刷机的油墨干燥装置,以通过根据重叠的半色调点的尺寸根据需要照射施加的干燥光线来优化干燥效果 每个颜色的水平和在其上涂覆油墨的半色调点区域上的油墨的涂布量。 构成:主控制器先前通过每种颜色分析半色调点的原始胶片分布和尺寸,并确定整个区域照射干燥光线。 单个控制单元(103)通过每种颜色布置在打印机上,通过来自主控制器的每种颜色的打印步骤来存储关于干光照射区域的信息,并且基于该信息进行操作。 信号处理单元(104)在主控制器和单独控制单元之间传送信息。 第一位置传感器感测纸张的转印辊的进入并将其传送到单独的控制单元。