Difference Between Hardcover And Paperback Book from fannyzeng's blog

The biggest advantage of print hardcover book is that the protective seal is strong. Which plays the role of protecting the inner pages and making the book durable. The inner pages of hardcover books, like paperback, are most threaded and nailed. And stick a cloth strip on the spine. To provide a stronger connection and protection.

There are several common forms of hardcover books:

First, according to the form of the spine, there are two kinds of the square spine and round spine

1. The square spine is thicker than the core. Due to the folding of the book's core and the cable. The height of the spine is higher than the book's core, and the more sheets printed, the more obvious. Thus, a hardcover book with a square spine should not be too thick. And it is generally suitable for the spine within 20mm.

2. Round spine, due to the different status of the front and rear book stickers. The fold of the book stickers is semicircular. Distributed on an arc surface, and balanced thickness. The flap of the core adapts to the cabochon of the spine and is concave.

Thus, thicker books are better to use round spines. The round ridge book is round after rounding the back ridge. And it is generally appropriate to use the core thickness as the chord and the arc pair at 130°.

Round ridges have two types: round-backed without ridges and round-backed ridges.

According to the material it can divide into two types. The same material from the ridge surface and a different material from the ridge surface.

1. The ridge surface is made of the same material. It is the spine and the cover and back cover are made of the same material as the whole piece. There are two kinds of ridges: square ridges and round ridges. Hardcover fabrics are paper, fabric, lacquered paper, lacquered cloth, etc.Generally equipped with protective seals.

But, there is a kind of book with a book title, pattern, etc.

Printed on the whole paper and laminated cardboard. Which is a square ridge without a protective seal.

2. Ridge surface material. The spine and cover production are in different materials. Usually with fabric as the spine. Stick the paper on the cardboard as a cover. This form is generally a round ridge without a protective seal.

A good hardcover book is not obtained by accident. And in the production process, the quality of each process needs to control. Until the final process product quality is fully qualified.

Paperback books can divide into the following due to some different processes:

(1) Wire binding paperback: a process of binding paperback books with metal wire.

(2) Sewing binding paperback. Sewing binding is a method of using an industrial sewing machine with a structure to bind books into a book. Sewing can be flat or horse stitched, with the greatest stitch pitch of 10mm and the smallest of 1.5mm.

(3) Adhesive flat packaging. It is a new binding process that emerged with the emergence of synthetic rubber. Which began to use in China in the 60s, and has had wide use since then. There are two types of adhesive binding: cold adhesive and hot melt adhesive.

(4) Cord bonding. This is a higher-grade binding method. Which is more used for books with higher reading frequency and thicker books.

Its characteristic is that the binding line passes through the fold of the book post. And then locks all the book posts together with a thread. And after the back of the book is glued, wrapped and wrapped, ironed, and dried. Cut three sides, and all the binding work of a book is complete.

The difference between hardcover book printing and paperback printing.

Hardcover books are high compared with paperback books. Using hard paper, fabric, leather, plastic, etc. As covers, and some books are also clothed on the back. This means the process of hardcover book printing is very complex and demanding. The paperback method is simple, the cost is low, suitable for books with a small number of pages and a large number. The main processes of simple packaging are folding, sheet matching, and staple cover. And cut book edges, and the cover of such books is generally paper.

Whether it is hardcover printing or paperback printing. The production of a book will consist of two parts: printing and binding. And for hardcover books and paperbacks, the printing process is the same. There is not much difference. It's that hardcover book printing requires higher quality. So the paper used is generally high-grade, better paper. And paperback books can use ordinary paper.

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