1000 Finishing Technology (929-940)

929. Where should the sign be stuck? What is the purpose of the sign?

A: The label of the binding book is generally stuck on the cover of the book and the top left of the book cover. The length of the sides of the book brain (day head) and mouth (front mouth) is determined by the size of the book book, generally around 10 mm, and both sides are left. Share the same. The role of the tag is to indicate the name and volume of the book.

930. What are the types of materials for making a tag?

Answer: There are two kinds of materials for making labels: One is the silk or silk in rice paper.

931. What adhesive is used for adhesive labels?

Answer: It is better to use glutinous pulp, but also use polyvinyl acetate latex. Kind of

932. What are the operating requirements for sticking covers and labels?

A: (1) The adhesive used should be suitable, and the viscosity should be enough to keep the cover and the label glued. (2) The adhesive should be thin and uniform, or coated in several places so that the cover can be fixed and fixed properly; (3) Sticking the cover and back cover must be consistent with the rules of the previous mouth, book brains, and book roots (footers). There should be a cover for the mouth, and the front mouth should be folded first and then glued. (4) Sticky Marks should be bookmarked, plain and wrinkle-free. The sticking rules should be reasonable and correct; (5) The cover and bookmarks should be smooth and firm after sticking. No wrinkles, no blisters. Do not be skewed and ensure the cover is clean and flat.

933. Why do you have to pack a book before you cut a book?

Answer: Since the book-lined book is generally a set of books divided into several books or subdivided into several sets, in order to make the entire set of books in the cut neat after cutting, no upper and lower marks, the cover must be before cutting. The back cover and the bookmarks are glued well and they are packaged. This processing can ensure that the thread-loading incision is smooth, neat and consistent, and has a beautiful appearance.

934. What are the operating requirements for the kits?

Answer: (1) The order of the books is correct. There are not many books, a lot of books, good books, no inversions, no downfalls; (2) The appearance of the matched book is clean and tidy. Dirty oil; (3) with a good stack of books piled up wrongly, in order to cut the book processing.

935. What are the operating requirements for tangential loading?

Answer: (1) The Q-angle of the cutter of the tangential loading is correct, generally around 19° (referring to the cutting of the history paper and the rice paper); (2) The cutter must be under the weight of a cardboard (to stick) to avoid Make the surface of the soft book after the knife cut; (3) cut the book on three sides (book brain. Book root, book back) incision smooth, flat, no knife flower damage, the same knife and flower color; (4) cut book size qualified , Tolerance is ±1mm. 936. What are the materials used to wrap bag corners? Where are the wrap angles? A: The materials used in the wrap angles are generally thin, thin silk fabrics such as silk or silk, and some use high quality rice paper, but few. The position of the wrap angle is set at the upper and lower cut-off corners of the online interface, and the incision edge to the first eye-hole portion prevails and is in line with the line mark. The vertical incision, the angle of the line-bound book binding form is generally used four-eye riding style, in order to wrap the angle of the wearer by pressing the line marks.

937. What is the operation of the wrap angle?

Answer: (1) Cut wraps into small fabric strips of appropriate size according to the vertical and horizontal distance between the first eye and the incision at both ends of the upper and lower incisions and the actual thickness of the booklet; (2) Apply the wrapper to the cut strips. Thin and uniform adhesive, adhered to the incision according to a certain specification, firstly package the upper and lower incision angles, and then set the dorsal incision angle at the back of the book, and fold the wrap angle at the pressure angle of 45° in the booklet. Until the package completes the upper and lower corners (see Figure 1).

938. What are the operating requirements for the wrap angle?

Answer: (1) The viscosity of the adhesive used should be suitable for sticking the wrap, not too thick; (2) The adhesive should be thin and uniform, and it must not be too thick to avoid overflowing. Dirty books, affect the quality of appearance; (3) The included book corners should be tight and neat, angular and orderly, without creases, blisters, curls, etc.; (4) Do not dry after wrapping. Exposure to dry and natural setting.

939. Which of the several forms of the mouthpieces in the bookbinding?

A: There are four kinds: (1) Le mouth and Le Qian mouth; (2) Le mouth, Le Qian mouth and set mouth; (3) Le mouth three, Le book brain. Book roots and front mouth; (4) Le mouths on all sides, that is, the top, bottom, left, and right sides all excuse.

940. What is the operation process of Lekou?

A: First cut the cover (including the back cover) and the book block according to the required specifications, and then bend the cover in accordance with the specifications of the book block, bending the one or two, three or four additional parts of the mouth. It can be bonded to one side (or two, three, four sides) of the book block surface. The binding operation of several sides of the line cover and the edge of the book block is also called a duplicate (see Figure 1).

(to be continued)