Perfect Binding

Perfect Binding is one of the core services that we provide.  We know how to deliver the best result for your project: perfect binding with EVA hot melt.

PACIFIC BINDERY have two perfect binders:

  1. The 18-pocket binder is capable of large, medium, and shorter runs and is a conventional EVA hot melt perfect binder.
  2. Our short-run perfect binder is also a conventional EVA hot melt perfect binder for projects typically under 500 books.

Characteristics of our perfect binding are printable spines, strength in the bind and a clean, elegant look.

Click on the bars below to see more information on Perfect Binding.

18 pocket – #1 Perfect Binder

Features, Advantages and Benefits

  • Runs up to 6,000 books per hour.
  • 18 pocket gatherer.
  • Automated signature recognition provides excellent quality control which identifies mis-feeds, blanks, out of register signatures on-line and stops the line on a recognized mis-feed.
  • Criss-cross delivery on-line results in high speed straight collating.
  • Capable of good volume, with good speed.
  • Consistent output and consistent quality. Proven technology.
  • Spine gluing with conventional EVA Hot Melt.

Short-Run – #2 Perfect Binder

This perfect binder is the right choice for small volume and/or digitally printed perfect bound books.

Features, Advantages and Benefits

  • Ideal for quantities from 1 to 500.
  • Spine gluing with conventional Hot Melt.

Perfect Binding Specifications (2 machines)

Capable of EVA Hot Melt Perfect Binding and Gathering for Mechanical Binding: 18 Pocket Perfect Binder

Gatherer – 18 pockets + 1 handfeed in front + 2 handfeed stations at back
Minimum untrimmed 4 x 5 ½”
Maximum untrimmed (max. signature width depends on spine length) 12 ¼ x 16 ½”

Minimum untrimmed insert (must be between signatures) 3 3/8 x 4 ½”

Maximum pre-gather out of pocket 5/16” thickness
Number of hand feed stations 3
Fold-out signatures (max. lip size depends on weight of stock) > ½” lip

Binder
Minimum untrimmed 4 x 5 ½”
Maximum untrimmed (max. width depends on spine length) 12 x 16 ½”
Minimum book thickness (cover to cover) 0.07″
Maximum book thickness 2 3/8”
– if flat or pressure bundled signatures; ie not newsprint (a 2 3/8” thick book can only accommodate a max. width of 10 7/8”)
Minimum cover width is 8 1/4″; Back of spine to front face edge must be 4 ¼”
Maximum cover width (12 ¼” spine to face) 25 ¼”
Minimum cover length 6”
Maximum cover length 16 11/16”
Minimum cover thickness (4 pt.) caliper 0.004”
Maximum cover thickness (18 pt.) caliper

Trimmer
Minimum untrimmed 4 x 5 ¾”
Maximum untrimmed 12 ¼ x 16 ½”
Minimum trimmed 4 x 5 ½”
Maximum trimmed 12 x 12”
Trimming larger than 12” B.E. 12 7/16 – 13 3/8”; 13 7/8 – 14 5/16”

Minimum head, foot, face trim 1/8”
Maximum head, foot, face trim 1 ½”
Maximum book thickness 2 ¾”

Short Run Perfect Binder

Minimum book block size 4 1/4 x 5 1/2″
Maximum book block size 12 ½ x 12 ½”

Minimum book thickness 1/16”
Maximum book thickness 2”

Cover basis weight range – 5 pt to 14 pt caliper

perfect binding
21 Pocket Perfect Binder
perfect binding conveyor
The Conveyor Delivery Line on the Perfect Binder