機械折頁后，接著就應使書帖捆扎平服，為膠訂書背厚度的基本一致創造有利條件 ，使膠訂機的托實夾緊機構工作可靠，膠訂后書背厚度一致，平實方正。其次膠訂工序在上側膠時，要薄而均勻，粘接牢固。防止側膠過厚，書背高于切口在三面切書時產生上大下小故障。背膠在上膠時，按商務印刷質量標準盡量上厚，三面切書時書背打皺現象。并且在粘接牢固的情況下，書背盡量不要比切口厚，可使書背略帶圓勢，為三面切書機成書尺寸一致創造條件。
First of all, after the mechanical folding, then you should make the book binding plain clothes, to create favorable conditions for the basic consistency of the binding back thickness, so that the binding machine's solid clamping mechanism works reliably, the binding back thickness is consistent, flat and square. Secondly, binding process in the upper side of the glue, to thin and uniform, bonding firm. Prevent side glue is too thick, the back of the book is higher than the incision, in the three sides of the book when cutting big and small fault. Back glue in the glue, according to the business printing quality standards, try to thick, eliminate three sides cut book back wrinkle phenomenon. And in the case of strong bonding, the back of the book should not be thicker than the incision as far as possible, which can make the back of the book slightly round and create conditions for the size consistency of the three side book cutter.
印裝質量
Printing quality
廠家發現三面切書時，不僅要按客戶要求調節刀規，保持成書尺寸。而且要查出本工序的廢次書，查出折頁不準、未切開、配帖多少頁、無側膠或書背粘接不牢的書。重要的是使用翻查溜號的方式，查出如內白頁，嚴重臟版、紙張破洞、倒帖等問題的書，然后做上個人責任標記，落實工作責任，保證全書的印裝質量。
When the manufacturer finds that the book is cut on three sides, it is not only necessary to adjust the knife gauge according to the customer's requirements, but also maintain the book size. And to find out the process of waste books, find out the fold is not accurate, not cut, with the number of pages, no side glue or book back bonding is not firm book. The most important thing is to use the way of looking up the slip number to find out the books with problems such as white pages inside, serious dirty edition, paper holes, inverted posts, etc., and then make the personal responsibility mark to implement the work responsibility and ensure the printing quality of the whole book.
切書加工
Book cutting
切書是平裝加工中的后一道工序，要使三面切書機成品尺寸一致，不僅三面切書機要按要求調節尺寸，而且在裝訂工藝安排中，要形成前道工序為后道工序服務的宗旨。只有在前幾道工序為三面切書創造了有利條件的情況下，三面切書才能保證質量。三面切書機按規定調節機械，排除三面切書機操作中常見的裁切尺寸不符要求，如書冊不正，左右歪斜，切口不光潔等問題。
Book cutting is the next process in paperback processing. In order to make the finished product size of the three side book cutting machine consistent, not only the three side book cutting machine should adjust the size according to the requirements, but also in the binding process arrangement, the former process should serve the latter process. Only when the previous procedures create favorable conditions for three side cutting can the quality of three side cutting be guaranteed. The three side book cutting machine adjusts the machine according to the regulations to eliminate the common problems in the operation of the three side book cutting machine, such as the book is not correct, the left and right skew, and the incision is not smooth.
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