❖Hot / cold glue
❖Automatic edge folder
❖Programmed control
❖Optical fiber detection
❖Automatic adding water
❖Vacuum table
❖Split type design
❖220V power supply

SK840A consists of hot / cold cover gluing, automatic water adding, cover vacuum suctioning, soft light reflecting, center positioning, cover corner cutting, cardboards thickness quick adjusting and reciprocating automatic edge fold system. Glue part can use both animal glue (hot) and cold glue. One unskilled worker can operate the machine.
It is suitable for multi-species, short to medium run and wide range of materials to make hard covers for hard cover books, albums, notebooks and photobooks etc., includes small and thin books and extra thick books. It is not only suitable for the common hard cover papers, but also suitable for leather, library buckram and other materials.SK840A can also produce butterfly-fold binding books and calendar stands with simple accessories.

Hot glue

Cover vacuum suction and position

Corner cutter

Fold and press two edges automatically

Adding water in the glue

Self-adaption peeling pieces

Quickly change the spine guides

Cardboard thickness quick adjustment

High speed optical fiber detection

Machine installation

https://youtu.be/hly47wNO-pU
https://youtu.be/3KdVfZwGpP8
https://youtu.be/isuyDfzTzx4

Making calendar stands:
Change the spine guides to make standard calendar stands.

Butterfly-fold binding:
With a simple device the glue part of the machine can process the butterfly-fold binding.

Wide scope of application:
Not only suitable for the common hard cover papers, but also suitablt for the leather and other materials.

Low cost:
Microthermal protein glue dry quickly, no deformation and lower cost.

Easy operation:
Reciprocating automatic edge fold system fold two edges automatically at one time.
High speed optical fibre detection control the length and position of the paper feeding accurately.

Multi-functions:
✤Glue rollers are made of copper alloy which ensure the glue well distributed.
✤Animal glue is melt by water tray, and the glue speed can be adjusted.
✤Adding the water automatically and the water quantity can be adjusted.
✤Self-adaption peeling pieces strip the glued cover papers from the roller without adjusting.
✤Vacuum table provide big suction that ensures the cover paper not easy to move.
✤Soft light box for accurate registration of glued covers by specular reflection.
✤Quickly change and add spine guides to make multiple hard cover products.
✤Lift and lower the top folding rollers by Plug-in type device to adjust the gap for different thickness of cardboards.
✤Paper guides go up and down is controlled by pneumatic foot valve.
✤High speed optical fiber detection control the length and position of the paper feeding accurately, reciprocating automatic edge fold system fold and press two edges automatically at a time.
✤The depth of paper feeding is controlled by the adjusting knob.
✤Easy and fast to clean the fold rollers by the roller lifting safety device.
✤The corner cutter can cut four standard corners on different thickness of cardboard without adjustment.
✤It can produce butterfly-fold binding books and calendar stands with simple accessories.

Easy installation:
Split type model can enter into elevator door and office door.
Equipped with high load casters, convenient to level adjusting, fixing and moving the machine.