CP.17 Finishing Operations Xi’an University of Technology Prof.Dr.Cao Congjun
Q Postpress: Finishing (postpress) is a segment of the print production flow in which the printed product is given its requested features of form and function.
Q 1. 简和策
Q 2. 卷轴装
Q 3. 经折装
Q 4. 旋风装
Q 5. 蝴蝶装
Q 6. 包背装
Q 7. 和合装
Q 8. 活页表头装
Q 9. 线装本
Q 10. 平装 11. 骑马装 12. 精装
Q 17.1 Process Cutting foldingAssemblingbindingcoveringcutting Book block processBook covering process
Q 1. Cutting :
Q
Q Cutting forces on the blade with the swinging diagonal cut
Q Knife life: The smaller the knife angle, the shorter the service life of the knife, that is, the sharpness of the knife quickly diminishes. Knife angle: A soft cutting product requires a smaller knife angle. Hard cutting material requires a larger knife angle. Pressing force: Great force is required for a soft cutting product. Low force is required for a hard cutting product.
Q
Q 2. Folding : types of folded sheets
Q Folding machines a. Knife folding unit
Q Folding machines b. Buckle folding unit Knife shafts in a buckle plate folding unit
Q Folded sheet classification
Q 3. Assembling/Gathering : Assembling is the production of a specific sequence of folded sheets, leaves, or webs into a loosely jointed block. Basic principles for assembling signatures and leaves (individual sheets)
Q Structure of a gatherer for single-layer blocks
Q 4. Binding Types of binding Seam : Seamless : perfect binding 无线装订 骑马订 saddle binding 三眼订 Thread -Stitching
Q A. Saddle binding 成本低,速度快; 不牢固; < 64 页的书、杂志、册子
Q B. 铁丝订 书脊平整,成本低,效率高; 订脚紧,不易翻阅; 铁丝生锈造成脱页; < 100 页
Q C. Thread -stitching The thread-stitching of books is a block binding process where the connection of the inner sheet sections and the sheets to one another is primarily achieved by fabric threads. Side-sewn binding
Q Perfect binding
Q Two-roller gluing unit
Q 5.Booking covering 6.cutting 7.QA & Packaging
Q 17.2 E dition binding Book block processCover process Cover feeding
Q
Q Book block process 1. 裁切、折页、配贴、锁线订或无线胶订、切书 2. 压平: 3. 刷胶:书背刷胶、定型 4. 裁切:三面切书 5. 扒圆:将书芯加工成圆弧形 牢固书芯,便于阅读 6. 起脊:在书芯两面近书脊处压出凹痕。
Q 7. 刷胶、贴背(三粘): 在书芯背上贴纱布、贴堵头布、贴书背纸。 刷胶、贴纱布 刷胶、贴书签带和堵头布 刷胶、贴书背纸
Q Cover process
Q
Q Cover feeding
Q 17.3 packaging Paper packaging Foil packaging
Q Books packaging 分摞、计数 包装线 码堆机 中间存储 集装箱 分发运输
Q Paper packaging : g/m 2 Foil packaging : PE 聚乙烯 / PVC 聚氯乙烯
Q
§17.4 Surface finishing
Q Surface finishing Glazing 上光 Waxing Coating Bronzing 烫金
Q Homework P435 Review questions 1,5,6,7,9,12.