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Signature feeding
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A. |
The proven suction or gripper pick up system is improved to handle difficult
signatures. Sequential start up of feeders prevents wastage of books.
Signature sensors will detect missing signatures, if any. Two types of
feeding stations are available – |
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B. |
(a) Pile feeder – Signatures are piled/stacked here. They are picked,
opened and fed into the conveyor.
(b) Folder feeder – Using a unique folding mechanism, signatures are
folded and fed to conveyor (Highly useful in the case of signatures printed
in webs with limited folding capability). |
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C. |
Short set up time. Dedicated vacuum pumps provided for pair of feeders to
ensure the reliability of signature picking and opening. |
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Cover feeding
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The folding mechanism ensures accurate folding and creasing of covers. The
covers are accurately registered, folded and fed into the conveyor, over the
gathered signatures. Misalignment of any signatures or with cover will be
detected and rejected. |
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Thickness caliper
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Before stitching, the gathered signatures along with the cover passes,
through a thickness caliper which is an electro-mechanical device which acts
as a comparator to check the completeness of the book. In case of incomplete
book sensed by this unit, stitching of this book is automatically put off
and the book is rejected before trimming. |
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Stitching station
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Stitching saddle assembly reciprocates back and forth moving along with the
book for stitching “on the run”. A signature length inspector and wire
monitor is provided. As a standard feature, two stitching heads (Deluxe
Bostich®) are used for standard 14mm staples. The wire pitch is adjustable.
Wire loop stitch option is available. Automatic On-Off of the heads ensure
that the signatures to be rejected are not stitched. Defective and
incomplete copies are diverted into the rejection tray. The rest are
forwarded to the three knife trimmer. |
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Trimmer
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The front edge of the booklet is trimmed first and then the sides, resulting
in superior trim quality. The trimmer can be adjusted on the fly. |
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Stitchwel is equipped with a stream delivery as standard equipment. Optional
batch stackers are available. |
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Technical Data
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Mechanical speed |
Min 2000 books per hour
Max 10000 books per hour |
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Signature size |
Min 2000 books per hour
Max 10000 books per hour |
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Signature size |
Min 2000 books per hour
Max 10000 books per hour |
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Thickness |
Min 2000 books per hour
Max 10000 books per hour |
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Electrical |
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Power |
25 HP (for 6 Feeders, 2 Cover feeders, Stitcher and Trimmer) |
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Power |
400-415 V, 3 Phase, 50 Hz |
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