Post-press processing quality requirements and inspection methods (2)

5 wire tie

5.1 Saws

The wire is shaped by a stapler and its two corners are 90°.

5.2 Feet

Two parts of the saw that are used to pierce the book block.

5.3 distance

The book block defines the distance between two adjacent chainsaws.

6 hardcover

6.1 Square back

Hardcover one. The back of the book is straight and perpendicular to the cover and back cover.

6.2 round back

Hardcover one. The back of the book is made into a curved arc surface.

6.3 False ridges

Hardcover one. The book block has no ridges, but through the special decoration of the book case, the whole book looks like a hardback book.

6.4 Circular Potential

The arc of a hardback book's round back lone surface.

6.5 Cleavage

When the ridge is rounded, two adjacent signatures on the back of the book core are split apart.

6.6 book back cloth

Paste the gauze on the back of the book block.

6.7 Book Back Paper

Paste on the back of the book block.

6.8 cheese paper

Slim leather lining paper. They are glued together with the back of the book block and the book shell to reinforce the back of the book with a large open book and thick hardcover book.

7 book shell

7.1 Whole face

The surface material of the bookcase is a single piece.

7.2 Junctions

The surface material of the book shell is not a single piece. Usually the cover and back cover are made of a material, and the book waist is made of another material.

7.3 Middle seam

The distance between the cardboard of the cover and the back cover and the medium-diameter cardboard when the cover is unfolded flat.

7.4 Joining Edges

Interface book shells use two kinds of surface materials to stick to the overlapping parts.

7.5 edging

The four sides of the bookcase surface material are folded back along the cardboard edge of the bookcase and contain the portion that is attached to the paperboard.

7.6 Square Angle

The four corners of the bookcase are right-angled.

7.7 Round Corners

The four corners of the bookcase are arcs.

7.8 Folding

When the rounded corners of the book case are edging, several fan-shaped folds of uniform surface material are attached to the cardboard of the book case.

7.9 Empty sets

The edge of the bookcase is not glued on the cardboard of the bookcase.

7.10 Li Zhi Zhi

After the book shell is processed by edging, the backing paper stuck on the cover and the back cover board along the inner side of the edging.

8 hot foil

8.1 Hot materials

The general name for decorative materials such as metal foils and pigment foils used in the hot stamping process.

8.2 sets of hot

More than two hot stampings are performed on the same processing object.

Source: 21st Century Fine Chemicals Network