(Qualitycontrolstriptarget)由网点、实地、线条等测标组成的用于.pptVIP

Quality Control Devices P274-291 Insert 7-8 测控条的测控原理 测控条(Quality control strip/target)：由网点、实地、线条等测标组成的用于判断和控制拷贝、晒版、打样和印刷时信息转移状况的软片条。 Ink spread: Spreading in all directions of the edges of ink dots and lines on the press sheet beyond their corresponding areas on the plate. The GATF Quality Control Strip The GATF Quality Control (QC) Strip is a patterned devices that helps the press operator control print quality throughout the press run. OK sheet The GATF Dot Gain Scale and Slur Gauge Testform测试版 A test form is a comprehensive diagnostic and measurement tool designed to help the printer achieve higher quality color printing with less waste and reduced make-ready time. GATF test forms contain a variety of quality control targets in addition to color reproduction targets. The quality control targets can be divided into three categories according to their use: diagnostic targets, process control targets, and standardization targets. Although some quality control targets can be used for more than one purpose, the functions remain distinct. ? Diagnostic Targets are used to troubleshoot printing systems Ladder Bars Star Targets ? Process Control Targets are used to monitor the printing system Color Control Bar Tone Scales Vignettes[vinjet] 小插图 Color Reproduction Guides ? Standardization Targets are used to measure the attributes of the printing system Gray Balance Chart Ink Coverage Chart Homework P292 Review questions 6,14. * * Pro.Dr.Cao Congjun Xi’an university of Technology Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 1. 网点面积的扩大与网点边缘长度总和成正比。 线数高时，总边长大，网点扩大值越大。 用于检测网点扩大值。 e.g. Brunner 50%粗网和50%细网/ GATF字码信号条