Postpress Technology 1000 (126-136)

126. What is flat lock?

Answer: The flat lock is a form of sewing thread set, also called real lock, that is, the position of the lock lock line for each frame is the same, and the lock plus book is booked one by one in the order (see Figure 18-2).

127. What is cross lock?

Answer: The cross lock is also called the jump lock. It is another form of the lock line. The cross lock is a line for every two posts. The locked book has the same position every other post line, that is, 1, 3, 5... The line positions are the same, and the position of lines 2, 4, and 6 is the same (see Figure 18-3).

Figure 18

128. What is a metal ring?

Answer: The metal ring is a kind of linking method specially used for processing loose-leaf books and so on. When the metal ring is set at the time of processing, the metal wire or strip is made into different shapes and specifications as required, and then the booklet, etc., are first punched and then put into a booklet (see Figure 19).

Figure 19 various metal ring shape

129. What is wireless glue binding?

A: Wireless glue binding is a way to use glue instead of metal wire or cotton thread to glue together loosely scattered books.

The main process of wireless glue binding is to mill the booklet in the final crease and cut the hole, and then apply the adhesive to bond the book sheet to the mouth and bond firmly one by one (see Figure 20-A, B). , C).

Figure 20

130. What is a plastic line hot stamping?

A: The connection method for the hot-stamped plastic line is to use a threading mechanism similar to saddle stitching before the final folding of the folding machine. At the last crease of each signature, a tailor-made thread is worn from the inside out. After the plastic thread is cut, the plastic cord is cut off, and both ends (two legs) are formed with the outer legs of the signature outwards, and then heated at the feet to make the plastic thread of the foot melt and bond with the folds of the booklet. (The other leg is left on the outside to be glued to other books.) After the collation, cover, hot back, and compression molding, the other leg between the posts is firmly attached to the back of the book. The purpose of joining the book is reached (see Figure 21).

Figure 21 Hot-striped signature on a plastic line

131. What is a dragon?

Answer: The processing of loose-leaf boring heads is a process in which a small hole (hole diameter of about 1.5 mm) is drilled from the top to the bottom of the invoice and various bills of about 10 mm or more. The purpose of fighting dragons is to enable various multi-fed bills to be successfully torn off according to certain specifications and number of sheets.

132. What is punch?

A: Refers to loose-leaf cards (ordinarily 3-5mm in diameter) with a loose-leaf card or a variety of leaflets, etc., according to certain specifications. The number of perforated eyes is generally 2, but it can be more or less as needed.

133. What is a page crash?

Answer: The page crash is also called “flying page” or collision. It is a free slide (back-and-forth movement) of various types of paper (ie, printed sheets), using the air permeability between the paper and the paper. Irregular pages, collided to make the work process neat.

134. What is open material?

A: The large-format sheets, charts, and covers that will be hitched will be cut into the required working area using a paper cutter according to the process requirements and specifications.

135. What is open?

A: Refers to a commonly used method of opening material, that is, after the large-format sheet is cut and then cut, and then cut into the desired format page, such as open (2 open), 4 open, 8 open , 16 open, 32 open, etc. (see Figure 22-1).

136. What is partial open?

A: Partial open refers to the wrong or the first cut, and the indirect failure of the cut several times (see Figure 22-2). The open range generally includes 3 open, 5 open, 6 open, 18 open, 25 open, 36 open and many other types.