FINAL STUDY GUIDE FOR GRC 324

FINAL STUDY GUIDE FOR GRC 324 - FINAL STUDY GUIDE FOR GRC...

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FINAL STUDY GUIDE FOR GRC 324 1. Saddle Stitching Gather folded signatures on a chain, stitch and then three-knife trim High volume Printed signatures A. Wire Stitching definition: signature logs signatures are bounded into logs and fed into applicable feeder pockets B. Components associated with saddle-stitch production technology Pockets (6-12): feed using grippers or vacuum o Lip (lap) required for grippers o Closed head or foot required for vacuum o Otherwise – hand feeding o High folio, closed head is typical Cover feeder Stitching heads (2-4 stitches) o Standard stitch o Loop stitch o 2 or 3 stitches 3 knife trimmer optional 5-knife trim for 2-up o Cut lip off o Remove closed head/foot o Clean up head, face, foot o Split knives used for 2-up Inkjet or labeling Caliper: used to detect multiple or light feeds o Will bypass stitch o Advances collated signatures to output tray for placement back into pockets Reject output tray Stitch former o Wire straightened o Cut to length o Legs formed on bender block o Driver forces through book o Legs clinched and bent together Additions o Blow in cards o Tip-on signature/card o Loop-stitch o Hanger C. Possible quality issues affecting production using saddle-stitch technology D. Stuffers and inserting methods E. Definition of creep : Difference in gutter from wrapping sheet around thick signature Determine creep via paper dummy 2. Mechanical Binding A. Spiral Spiral wire made of wire Crushable, durable
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Max 1.25” thickness B. Plastic Coil: 100% plastic, crushproof, economical C. Double-wire (Wire-O) D. GBC Plastic Comb Common Economical Requires special punch die Max 2” thickness General Binding Corporation E. Velo-bind Plastic strip Difficult to open Inexpensive Requires special machine Used in law environment F. Tape Bind Applies a strip to spine of book with hot glue On-line and off-line Can print on tape Pages can pull out Inexpensive
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FINAL STUDY GUIDE FOR GRC 324 - FINAL STUDY GUIDE FOR GRC...

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