Postpress Technology 1000 (731-741)

731. What is the operating requirement for the collation machine to suck the post?
Answer: (1) The time and angle of attracting the poster should be correct (usually the hem should be around 30°), and it should be matched with the placard and the placard; (2) The suction nozzle should be kept open, and the air volume should be adjusted according to the thickness of the signature. Appropriately, it will be able to successfully absorb the signature correctly.

732. Collation machine post operation requirements?
Answer: (1) The time of attachment and the attracting point should coordinate with each other. When the claw touches the signature, it should be sucker to suck down the position of the book by about 30°. When the jaw is closed, it will be rotated downwards. It is the position where the suction nozzle interrupts the air path and the claws hold the upper signature; (2) The two jaws must be clamped properly, the clamping force must be equal, not too loose and too tight; (3) The signatures below should be correctly and steadily placed on the set chain.

733. The operation requirements of the collating machine set posts?
Answer: (1) The set chain transfer position should be matched with the release time of the paw. When the paw is put down, it should be the middle or slightly forward position of the two rules of the set chain; (2) During the transfer of the set-tie chain, the delivery channel should be kept unblocked.

734. What is the operating requirement for the collation machine?
Answer: (1) The book received by the collating machine must be inspected to avoid the error of the single machine flowing into the next process. The inspection can be based on the law of folding and affixing the label, and the mistakes of double placard, missing placard, and cross placard can be discarded; (2) The books before and after matching should be correctly matched. When connecting with other varieties, there should be no serial phenomenon. One species should be cleaned and then another species should be added.

735. Collation machine wrong post control what content?
A: In order to ensure normal production, the collation machines are equipped with automatic control devices. When the collation work occurs multiple posts, less posts, unintentional posts, and wrong posts, signals are sent or shut down by the automatic control device for troubleshooting.

736. Collation machine to exclude multiple posts, less posts operating requirements?
Answer: (1) Exclude few posts: 1 When there are few posts, the machine stops running, and then it is necessary to repair the posts in time to reduce the downtime; 2 When the posts are filled, the page number must be correct and the position should be correct. (2) Excluding multiple posts: 1 When multiple posts appear, the multiple posts must be accurately and not mistaken; 2 The multiple posts must be accurately placed in the storage posts, and should not be misplaced; 3 Troubleshooting should be timely to reduce downtime time.

737. Collation machine to remove the wrong posts operating requirements?
A: (1) After an error occurs, check the wrong posts in the collection chain immediately and correct the order of the signatures. (2) The wrong copy of the signature should be promptly corrected, and check the correct page order. Restock; (3) Faults should be eliminated in time to reduce downtime. Several kinds of wrong signatures are shown in Figure 4.

738. Collation machine to remove the operating requirements of chaotic posts?
Answer: (1) After stopping the machine, all the untied posts in the collection channel will be checked first, and then the page number will be checked in order, and they will be completed; (2) In the absence of sending more or less posts, no other signatures may be randomly drawn and added. (3) When there are missing posts and few posts in the collection channel, it is necessary to continue to track and sort them to the book desk. After the search is correct, continue the operation; (4) In order to reduce the downtime, the troubles are After the occurrence, there is a wrong book that has not been recovered. The operator of the book desk should be notified promptly to assist in the inspection and the quality of the good page should be closed.

739. What are the operational requirements for slamming, bound books, and pulp backs?
Answer: (1) Breaking the book: 1 The overlap and page order of each stack of books is correct; 2 The stacking of the books is correct, the order is neat and straight, and the number of books is basically the same; 3 thick books or lock book The number is accurate. (2) Bundles of books: When a bundle of books is opened, each joint must be neat, and there must not be any in and out of the book. 2 Put a bundle of books into the bundle of books to beat on the front mouth by hand so that the books are level; 3 bundles of bundles of books, the same number and length, flat, vertical, do not skew, tied tight elastic. (3) Pulp back: 1 The adhesive used in the back of the pulp is appropriate, so that the binding between the signatures can be achieved; 2 When the adhesive is applied, the adhesiveness should be small and non-flooding, so as to ensure the smoothness of the copy, and not to disperse. Posts can make each post sticky.

740. What are the operating requirements for paperback sticky paperbacks?
Answer: (1) Before sticking, the cardboard should be heated with water (add a small amount of bone glue) and boiled for 10 minutes before use. (Saturation with adhesive can prevent fluffing after cutting, and it is soft and sticky after soaking. (2) The paper jam specifications are basically the same as those of the book bundles, and the length may be slightly longer than the length of the book bundles, and the width shall be based on the alignment rules (approximately 2 mm can be retracted, but it must not bulge out so as not to affect the accuracy of the cut book specification. (3) Appropriate adhesives should be applied evenly, not too much, to prevent the glue from spilling into the signatures to cause waste products, or to make the paper jams unable to adhere; (4) Sticky paper jam After binding the book, after brushing and leveling, the stacking table should be lightly placed and coded, and it must not be moved back and forth when the bale is placed, so as to avoid wrinkling or breaking the surface of the bundle of sticky paper jams.

741. What are the operating requirements for manual cutting?
Answer: (1) The cutting knife used in the cut is to be appropriate. As shown in Fig. 5, the cutting edge should be sharp; (2) The copy should be correct when cutting the book, and it is not possible to open the book completely, as long as the knife can be fed, Preventing large lifts and causing post-cutting post lines; (3) books after cutting books, cut hairless, non-gang lines, edges and corners, no cutting and cutting and other phenomena.

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