机械折页后，接着就应使书帖捆扎平服，为胶订书背厚度的基本一致创造有利条件 ，使胶订机的托实夹紧机构工作可靠，胶订后书背厚度一致，平实方正。其次胶订工序在上侧胶时，要薄而均匀，粘接牢固。防止侧胶过厚，书背高于切口在三面切书时产生上大下小故障。背胶在上胶时，按商务印刷质量标准尽量上厚，三面切书时书背打皱现象。并且在粘接牢固的情况下，书背尽量不要比切口厚，可使书背略带圆势，为三面切书机成书尺寸一致创造条件。
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.
印装质量
Printing quality
厂家发现三面切书时，不仅要按客户要求调节刀规，保持成书尺寸。而且要查出本工序的废次书，查出折页不准、未切开、配帖多少页、无侧胶或书背粘接不牢的书。重要的是使用翻查溜号的方式，查出如内白页，严重脏版、纸张破洞、倒帖等问题的书，然后做上个人责任标记，落实工作责任，保证全书的印装质量。
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.
切书加工
Book cutting
切书是平装加工中的后一道工序，要使三面切书机成品尺寸一致，不仅三面切书机要按要求调节尺寸，而且在装订工艺安排中，要形成前道工序为后道工序服务的宗旨。只有在前几道工序为三面切书创造了有利条件的情况下，三面切书才能保证质量。三面切书机按规定调节机械，排除三面切书机操作中常见的裁切尺寸不符要求，如书册不正，左右歪斜，切口不光洁等问题。
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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