HYG-120 Full-auto High Speed Calendering Machine

Short Description:

This automatic calendering machine is developed for helping printing & packaging company to better improve their calendering production efficiency as the recent labor cost has raised a lot. It can be operated by just one man. Moreover, its speed has been increased to 80m/min that highly increases the working efficiency.

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SPECIFICATION

HYG-120
Heating way	Electromagnetic heating system + Internal quartz tubes (save electricity)
Max. paper size(mm)	1200(W) x 1200(L)
Min. paper size(mm)	350(W) x 400(L)
Paper thickness(g/㎡)	200-800
Max. working speed(m/min)	25-80
Power(kw)	67
Weight(kg)	8600
Size(mm)	12700(L) x 2243(W) x 2148(H)
Power rating	380 V, 50 Hz, 3-phase, 4-wire

ADVANTAGES

Enlarged steel roller (Φ600mm) & rubber roller diameter(Φ360mm)

Heightened machine height (feeding part can send maximally 1.2m high paper pile, increase efficiency)

Automatic belt avoiding function

Widen & extended dryer (increase working speed)

DETAILS

1. Automatic Paper Sheet Feeding Part

The feeding part’s height is raised to 1.2 meter, which prolongs 1/4 period of paper changeover. Paper pile can be 1.2 meters high. So that paper sheets can be easily delivered to the calendering machine right after they come from the printing machine.

2. Calendering Part

Paper sheets will be calendered by a hot steel belt and go through the pressing between the belt and the rubber roller. As the varnish is sticky, it will keep paper sheets kind of slightly stick on the running belt without fall off in the middle; after cooling paper sheets will be easily took down from the belt. After calendered, paper will shine bright like a diamond.

We thicken the machine wallboard, and enlarge the steel roller, so during the high speed operation increase the heating between steel roller and steel belt. The oil cylinder of the rubber roller uses hydraulic motor in the calendering (other suppliers uses manual pump). Motor is equipped with an encoder so the steel belt can automatically correct its own deviation (other suppliers don’t have this function).

3. Drying Tunnel in the Calendering Part

Drying tunnel is widen and largen along with the enlarging of roller. The door open method is more humanized and is easy for viewing or adjustment.

4. Calendering End

① We add two motors which can automatically adjust the belt’s tension (other suppliers use mostly manual wheel adjusting).

② We add an air blowing device to help paper sheets better get off from the steel belt and run to the paper stacker.

③ We solve the technical problem that normal calendering machine cannot be connected to the automatic feeding part and automatic stacker.

④ We prolong the gap bridge board for collecting the paper sheets after they are cooling down.

*Comparison between our varnishing machines and calendering machines:

Machines	Max. speed	Number of worker
High speed varnishing & calendering machine	80m/min	1 man or 2 men
Manual varnishing & calendering machine	30m/min	3 men
High speed varnishing machine	90m/min	1 man
Manual varnishing machine	60m/min	2 men
Manual calendering machine	30m/min	2 men