Books and periodicals craft collection of paperback binding (2)

● 3. With posts (collated)

Will fold a good signature, or according to the needs of the layout in some of the signatures or signatures, in accordance with the requirements of various books binding, after sticking pages, in order to complete the pages in the order of pages, so that it is composed of The process, called collaing or collation, is also called a row of books.

All kinds of books and periodicals, in addition to the cost of a single post, must go through the process of matching the posts only, and the methods of matching posts are two types of posts and posts.

(1) cover method

It is to put a signature in the inside (or outside) of another signature in the order of page number, become the core of a book, and finally put the opposite side of the book core on the outermost part of the book block for the purpose of making a book.

The post-posting method is generally used for journals, magazines, or booklets, and is often bound into books by the saddle-stitching method.

(2) Fitting method

It is to add each booklet in the order of page number, one post and one post, and to form a book book core.

The law is commonly used in a variety of paperback books, hardcover books or wireless glue books.

With posts can be used manually with posts, but also with mechanical posts.

Manually matching posts First, the books and magazines of the same type must be arranged in order (Figure 8-20). The operator picks up the books in order and prepares a copy.

Figure 8-20 Manual layout

Match the second one.
Manual bindings are labor-intensive and slow, so they are limited to small-volume products.

The mechanical matching posts use the collation machine instead of the manual, and the signatures are arranged in order, the wells are stacked on the conveyor belt, and the book block sending and receiving device after the matching is completed.

The collating machine works as shown in Figure 8-21.

Figure 8-21 Working diagram of collating machine

There must be no missing posts, multiple posts, or inversions before and after the posting. In order to help with the distribution of posts and check for possible errors in the registration, when printing, each printed sheet is ridged and printed with a small black square. The mark is marked on the spine

Significant step-like checkmarks (Figure 8-22), when checked, as long as the ladder is found out of order, it can be detected and corrected in time.

Figure 8-22 Spine Ladder

After affixing the posts, in addition to the sewing thread, the completed book blocks shall be bundled and a thin glue or paste shall be applied to the back ridge. After drying, the entire book's signature will be initially adhered, which will help to proceed. Book. (to be continued)