The production of paperback and hardcover books includes various forms of mechanization and linkage operations. The main production processes such as folding, collating, book binding, wrapping, book cutting and rounding, spine lifting, and shelling are all equipped with special machinery. Various single machines such as ordering, bagging, and cutting between related processes, such as matching, ordering, and bagging, form a linked production line. The web rotary embossing machine and the offset printing machine may use their folding mechanism or linkage with the folding machine to realize the linkage of printing and folding.
After the 1960s, through the introduction and trial production, China has established a high degree of linkage and automation of binding linkage lines, including saddle stitching linkage lines, plain binding linkage lines, hot melt glue binding linkage lines and hardcover linkage lines, which have become a large number of linkage lines. Important technological means for the publication of books and periodicals.
Due to the complicated binding process and the variety of specifications, some auxiliary processes and specifications, special materials or very small batches, there are a certain amount of manual work. Because of the limitation of traditional methods, thread-bound books are still bound by hand.