book block pressin gmachine

HM-480 book spine back pressing machine is products specially designed to ensure the quality of book binding. After locking threads or page arrangements, book cores are usually rather loose, so it is very hard to mount or apply adhesive for thick back covers. After compact by these machines, books become even, firm and upright. Therefore, these machines are commonly used in lock thread bound books with adhesive and compact of book cores for deluxe books.