Luxury hardcover technology (1)

Luxury hardcover is also called fine special or art. Books with this kind of binding are not much different from hardcover books in appearance, but they are more exquisite and gorgeous than hardcover. They give people artistic enjoyment and are in the processing of books. Fine products, artworks, and valuable preservation. The processing technology of luxury hardcover is complicated, technical, and difficult to operate. So far, except for folding, matching, and locking, it has not been able to be processed by machinery. It can only be combined with manual finishing. Machining process.

1. What is luxury hardcover

There are two general points about the luxurious hardcover method. First, the finishing materials used are expensive, such as leather (sheep, cowhide, snake skin, etc.) in the cover material and satin, velvet, silk, linen, etc. in the fabric; The red gold, silver foil, color film, gems, etc. in the material are complicated in shape, such as gold-rolling mouth, dipped flower mouth, lock head, sticking root material, bamboo joints, etc. In addition, there are also luxury book boxes. From the outside, it is a very high-end hardcover book, which is used to hold some women's products, and can be used as gifts for relatives and friends

2. Luxury hardcover book shape

1) Lining material

Rooting material refers to a piece of leather or fabric material that is the same as the book cover fabric on the single lining under the ring lining, and its role is the same as the book backing. However, it is firmer and more beautiful than the back cover of the book (opening the cover on the cover 2 or cover 3 has four sides and the same material), and it is flat (see Figure 1).


Figure 1 Sticky root
1. Rooting material 2. Single lining 3. Sticky mouth

2) Bag lining

Packing lining is a process of bonding a single sheet of lining root material and ring lining to make the lining root material wrapped on the ring lining. Its function is to lock the book together and connect the well to the book cover (See Figure 2)


Figure 2 Lining
1. Ring lining 2. Single lining 3. Root material after lining

3) Rolling gold

The gold-rolled mouth means that after cutting the light on three sides of the book block, a layer of gold foil, silver foil or anodized aluminum foil is bonded to the cut (or three-sided cut) on the top of the sky by the hot stamping method to make the cut of the book block appear bright golden or Because silver is mostly used in processing, it is called a gold roll (see Figure 3)


Figure 3 Gold-rolled books (with thumb index)

4) Dip the flower mouth

Dipped flower mouth refers to the process of making various patterns on the cut surface of one side (front mouth) or three sides of the book block by dipping and sticking. The dipped flower mouth operation is a more complicated process than the gold-rolled mouth process, the operation is more difficult, and the quality requirements are more strict. The dipped flower mouth is ready to be used once, and there is no room for rework, so the operator is required to have Corresponding professional technical knowledge, but also have superb operation skills

5) Lock flower head

The lock head refers to the use of silk ropes to lock the upper and lower ends of the cut back of the book to replace the processing of the caulking cloth. Because the flower head locked out by the heald rope is durable, beautiful and novel, and unique, it can be matched with books with gold mouth and flower mouth.

6) Slub

The bamboo knot refers to the sculpting process of making a bulge shape like a bamboo shape on the cover of the book. Its function is to make the book beautiful and generous, to protect the scalding of the middle waist from being worn away, and to add an artistic sense to the book.

The hardcover luxury craftsmanship also has fake ridges, peeling and cardboard, pad waist material, etc. The purpose is to decorate the book and make it durable.


Figure 4 from the bamboo book

3 Luxury hardcover processing technology

1) The operation and requirements of lining root paste

The root material of the lining is the same as the ring lining. The width is about 25mm, the material is the same as the book cover, it is better to use vertical paper. One side is glued to the single liner, the other side is glued to the ring liner, and the mouth is 3--4mm; the other wide edge bonded to the ring liner is to be locked on the bookcase cardboard after the book is cut and locked The second and third seals have the same function as the book back gauze, but they are firm and unbreakable compared to the sticky book back gauze. Figure 5) Features.


Figure 5 The floating mouth is the same after the root material is bonded

Operation requirements: â‘ Select the adhesive according to the texture of the cover (viscosity should be suitable), and apply thinly and evenly; â‘¡The width of the adhesive mouth is 3--4mm, not skewed; â‘¢After bonding, the root material and the single liner are smooth and free of wrinkles Spilled glue is sticky, and the sticky mouth is firm without opening.

2) Package lining operation and requirements

Apply an adhesive with a width of about 4mm to the adhesive mouth (folded edge) of the ring lining, and then bond the single lining sheet with the root lining material to the ring lining along the adhesive edge of the root lining material, and bond the excess edge lining material Wrap it around the ring fold (see Figure 2) to lock the ring lining together in the book. After the extra edge of the root material is lined with the shell, stick it to the shell.

Operation requirements: ①The ring lining material should be vertical grain paper or impregnated pattern paper; ②The adhesive should not be too thick, so that the single lining can be adhered firmly, and should not be applied too much, preferably thin and even; , No skew, qualified width (4 ± 0.5mm); ④The lining edge after sticking is smooth and firm, without opening overflow glue, wrinkle, etc.

3) Operation and requirements

After the book block is cut, it can be rolled.

â‘ Materials and formula used in the gold roll.

Material for hot red gold and silver foil:

※ Hot material: red gold, red silver foil;

※ Bottom material: yellow or gray;

※ Sticky material: egg white, acetic acid (diluted), hydrochloric acid (diluted).

formula:

The first formula: acetic acid solution 1Oml clear water 60m1, mix well, mix with the tip of the tongue (a trace), and it is suitable for stinging; this formula is stored in a clean bottle until ready for use.

The second formula: hydrochloric acid solution 10ml, clear water 30m1, after mixing and stirring, use a paper strip with the same texture as the book block, put it in the ingredients and dip the test, it is better to keep the color of the paper strip unchanged.

The third formula: 70mL of egg whites and 10mL of acetic acid solution, mix and mix evenly, use a finger to dip a drop of twisting test, the finger feels slippery.

After all the ingredients are prepared, store the first formula separately for use, and mix the second and third formulas together and mix well. Once the formula is prepared, it can be used to process the gold mouth of red gold and silver foil.

Materials for rolling aluminum:

※ Hot material: Various colors of anodized aluminum (specially used for gold-rolling), generally gold or silver.

※ Adhesive: Acrylic vinegar paper-plastic composite glue or ethylene-vinyl acetate (YAE) glue, fresh egg whites (eggs) can also be used.

※ Bottom material: gold material for yellow material, silver material for gray material, diluted with water and stir evenly (available for anodized aluminum), the role is to make up the bottom.

â‘¡Operation and requirements

The operation process of the gold-rolling opening is: book clamping, polishing, painting the base color (the anodized aluminum may not be painted on the background color), coating the adhesive material, spreading the hot material, heating the hot roller, rolling the gold opening, etc.

a. Folder

Clamp the cut book block with a book holder, the gold-rolling edge of the cut faces up with the edge of the book holder plate

b. polish

After clamping the book block, use a polishing tool (or polishing wheel) to polish all the surfaces that need to be rolled, and smooth and smooth, without any unevenness. After passing the polishing, the incision should be cleaned with a soft fabric, and no fibers should remain on the incision.

c. Primer

Primer is also called primer, its role is to make up for the phenomenon of blisters and exposed bottom.

During operation, first dilute the yellow primer (hot gold) or gray primer (hot silver) with water to the desired color. After evenly mixing it into the first formula, it can be used after the application is soft (wool) Brush or long-fiber absorbent cotton, dipped in primer and gently apply a thin layer from the middle of the book cut to the two ends. After natural drying, immediately apply the adhesive (the anodized aluminum may not be coated), and then continue to the next process. .

Operation requirements: The color of the base material should be the same as the color of the hot material; the dipping material should not be too much, so as not to overflow and stain other incisions, nor too small; after the primer is applied, the adhesive must be applied after drying.

d. Apply adhesive

After the primer is dried, the adhesive can be applied. The function is to make the gold foil (or anodized aluminum) firmly adhere to the incision to ensure that it does not fall off.

During operation, apply a soft brush or absorbent cotton to one side of the gold-plated side of the book block with the second and third liquid materials, apply a layer from the middle of the cut to the two ends, and do not apply to the opposite side of the book. [After the adhesive material is evenly and properly applied, immediately apply the hot material to the incision and perform the hot stamping operation. For example, the hot anodized aluminum can be directly coated with the adhesive used for the anodized aluminum. The method is the same as above.

Operation requirements: the formula data used is qualified and the viscosity is appropriate; it should not be applied too much, thin and even, without overflowing; no sticking after the hot stamping mouth (opening after one twist), nor can it be peeled off due to problems with the adhesive.

e. Rolling gold

There are currently three methods of gold-rolling, the first one is done with a gold-rolling machine (either imported or domestic), the process is: clamping, polishing, applying adhesive, laying hot material, hot-rolling gold; The second type is completed with a hot stamping machine (flat and flat), that is, several book cores are flushed with a special clip board, and after being coated with adhesive material and hot material, they are placed on the hot plate of the hot stamping machine. Under certain pressure, the anodized aluminum is ironed on the cut; the third is to clamp the book with a clamping plate (manual type); after heating with a special roller, it is heated on the cut of the book block to make it sticky Knot.

The temperature is generally heated to about 80 ℃ by hot roller hot pressing and hot plate pressing. There are two types of hot rollers used for manual hot pressing. The temperature of the first hot roller is generally 40-50 ℃. On the incision; the temperature of the second hot roller is generally around 90 ℃, the function is to burn the gold mouth firmly and shiny) The speed of the second hot ironing should be fast, roll quickly back and forth on the gold mouth, until the gold mouth shines .


Figure 6-1 Manual gold-rolled clip board
1. Book holder (or book holder) 2. Book block clamped with the front face up

Take out the book block after rolling the gold mouth, twist and open to check whether it is sticky, and then finish the gold mouth operation after passing

Operation requirements: a. There should be no slight error between the book block and the specification of the clamping plate (referring to the clamping surface); b. The specifications of the ironing material meet the requirements, and the area is slightly the same as the cutting surface of the gold rolling mouth, so that the incision is not exposed Subject to (double-layered with red gold foil); C. The force of the gold-rolling surface should be uniform, and the temperature should meet the requirements;

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