High Volume Feeding Systems

Question 0

Describe the appearance of a general high volume feeder

Answer 0

Sigs rolled up on a belt on a roll (can be unrolled)
Can fit large amount of signatures in small amount of space
Very expensive

Question 1

Pockets must be

Answer 1

Filled up

Question 2

Describe high capacity stream feeders

Answer 2

Huge lines of clamps picking up sigs

Also) pre-insert machines can increase productivity (many different designs

Question 3

Describe the Toronto Star printing plant (in Vaughn )

Answer 3

1. Has chains and clamps one folded side of sigs
2. Transports through ceiling to skid
3. collating machine manually puts paper together
   Can be 100s meters long
   2 spools of stitching wires daily

Question 4

How much does the stitching wire at the Toronto star weight ??

Answer 4

800 pounds

Question 5

Describe the social high capacity system

Answer 5

Drop into drum instead of chain
Sig dropped in slot
Screw action where pushers push sig
Rotates to get more sigs

Question 6

Where does stitching come from

Answer 6

Rolled spool

Question 7

Where does stapling staples come from

Answer 7

Preformed wire

Question 8

Describe stiching

Answer 8

2 parts (head & clenche)

Question 9

Describe the stapling process

Answer 9

Wire comes through top
Goes through cleaning tab/reel
Goes through drive into Sticher
Drives wire into stitching head & cuts off to specific length
Then wire is formed into a U shape for staple then Driven into spine
Arms of staple clenched shut using clencher

Question 10

What’s the ideal staple stich

Answer 10

Both arms are equal length

Question 11

Describe special stiches

Answer 11

Loop stitch (visually loops stitch out of book)
Can be used to put in binder
Stitching heads are adjustable
Commonly 1-4 stitches in a book
Most stitching heads support 4-6 stiches

Question 12

How many stitches does the GCM sticher support

Answer 12

3 stiches

Question 13

Describe trimming systems

Answer 13

Most saddle stitches have this module
Come in 3-5 knife trims
Can completely finish book (trim head,foot,face)

Question 14

What do 2/up books need

Answer 14

At least 4-5 knives

4th knife cuts down the middle

Question 15

Can you use bleeds when using 4 knife trimmer

Answer 15

NO, instead use 5 knife trimmer

Question 16

Describe the 2 cycle process trimmer

Answer 16

Clamps come down & holds book
Knife comes up, book comes in, moves past face and knife
Book comes underneath …clamped…h & f trimmed, face edge is clamped & trimmed with face knife

Question 17

What are the 3 main Delivery systems

Answer 17

Pocket delivery
Belt delivery (spit out into belt)
Stacker - takes multiple books & Stacks automatically
              - rotates stack 180 degrees so spines are stacked evenly                   (spine is thicker than the face)

Question 18

Describe the waste removal process

Answer 18

Trimmer waste gets dropped down in the bottom

Vacuum installed underneath can quickly pick up waste

Question 19

What are some coming finished products that are saddle stiched

Answer 19

Magazine

Instruction manuals

Question 20

Adding value means when

Answer 20

Since loss of money in past processes companies must learn to add new functions and services to make up for loss in other services

Question 21

What’s the purpose of creep

Answer 21

Allowance used in saddle-stitching
Exists b/c paper has thickness (pushes inside sigs out)
Cannot avoids so when trimming you cut

Question 22

Where does the most creep occur

Answer 22

Center spread

Question 23

What’s the calculation for creep?

Answer 23

of pgs in book / 4 x calliper of sheet = creep in center

Question 24

What are some challenging saddle stitched products

Answer 24

Where image crosses over spine
Pocket folder covers
Gate fold covers
Line ups & cross overs