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Common failure analysis of wire stapler
Oct 27, 2017

Common Failure Analysis Of Wire Stapler

Dsh-1 type wire stapler is widely used in large, medium and small print enterprises and plays an important role in the installation of various books and magazines. Wire stitching machine head, by feeding, blanking, forming, order books, five equal parts, due to the complexity of feeding and stapler structure, precision, so the daily binding various kinds of books, there is failure, bookbinding quality and progress. According to my own years of failure in production, the individual case analysis is as follows, for the peer reference.

1.Not to send wire or wire. The main reason is: the conveyor wheel or the sliding board (packaging conveyor track) and other wear grooves, so that the wire can not carry out the correct transmission, sometimes the leakage, not the phenomenon; The quality of wire is not qualified. It can also affect the normal wire feeding if it has burr, unsmooth or not smooth.

2. Do not cut wire or cut continuously. It is mainly the cutting knife and the guide hole part of the fault. For example, the cutting knife drops less than the preset position and the guide hole eye contact is too small; The distance between cutter and guide hole is too large, (the cutting edge is broken). The cutting edge has been badly damaged.

3. It is not formed (that is, saw) : it is mainly formed by forming hook and molding board. If the shaping hook is not in place; The forming hook and clamping plate are worn and the wire cannot be sent out; The clamping spring fails, the wire is not clamped and can't be sent to the intended location.

4. The carsaw (the wire is stuck). The main part is the forming hook improper. For example: the forming hook is very abrasive, the wire is in the groove, and the wire is stuck; The wire is not straightened, and it is stuck after a forced delivery. Wire diameter improper (usually large) or ordered resaw.

5. Nail saws are irregular in length. The main thing is that the delivery is abnormal. If: the feeding swing is not adjusted properly, the feeding wheel or the feeding board wear out, so that the wire cannot be delivered regularly.

6. A long, short or short order of claw (pin); The main reason is poor adjustment. Adjust the thickness of the book according to the book thickness, make the adjustment of the length of the reservation.

7. Nail sawing blade tip. This kind of failure is often occurred in the hard and hard book, is a kind of difficult to deal with. Its expression form is in the corner of the corner where the book after the book appears not breaking and breaking, the order saw will seal the faceOr slip, causing cover loss. The reason is roughly three: the wire diameter does not meet, the pressure is improper, or the tightness claw (the claw) push plate is too high, the wire top is broken off the tip.

8. The claw (pin) is not compacted or a compaction is not real. Reason: tight claws (hold claw) push board is too low, when up to the desired location, not will nail claw on fruit, a pair of tight claws (hold claw) height not consistent or rise to the desired location is not parallel.

9. Claw your claw. The main reasons are, the wire quality is not good, there is burr, not smooth flatness; The iron wire is soft and the book is not appropriate; After forming the nail is not perpendicular to each Angle; The shaping skateboard is not suitable, such as the width of the groove, too narrow or pressure.

10. Before making a book, according to the thickness of the book, select the wire and the plate model, and the length of the claw should be adjusted relative to the name.

11.Adjust the "grip claw" to exceed the plane 2-3mm. According to this operation, the books that are bound will meet the quality requirements.

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