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Published: 29-12-2011
Laminating machine IM&T SRL Italy
LAMINATING MACHINE TO PRODUCE:
- Selfadhesive abrasive backing to convert in PSA discs or Sheets
- Velcro base abrasive backings to convert in discs or sheets.
- Stearate coating of base abrasive materials.
- Light cloth combined with paper for abrahasive combination
- Impregnation of paper for waterproof base abrasives.
- Humidyfying papers and cloths.
GENERAL CHARACTERISTICS
Operations:
Stearate coating 25-35 mtr/min
Laminating paper / cloth 12-15 mtr/min
Self adhesive backing / paper 12-15 mtr/min
lmpregnation of paper 8 – 10 mtr/min
Humidification 20-35 mtr/min
- Working useful width 1250 mm
- Dryer length, 8 independent zones 20 mtr
- Max. temperature in the dryer 100 C
- Working speed 0-35 mtr/min
- Max diameter of the jumbo rolls on
unwinding and rewinding 1000 mm
- Installed thermic energy 400 kW
- Heating medium electrical
- Installed electrical power, motors etc 35 kW
- Electrical characteristics 230V, 3Ph, 50Hz
1. Unwinding machine
a) Pneumatic shaft, standard 3" diameter.
b) security self locking studs with replacing shaft sliding surfaces,
c) Pneumatic brake.
2. Coating machine
a) Two rubber coated rolls, the upper roll displacement by two servo motors, independently acting on the both studs of the ioll. Two digital pressure indicators
b) Front doctor blade for resin coatings.
c) Back doctor blade for stearate coating.
d) Circulating pump for stearate coating
e) ldler roll for bath impregnation.
3. Pneumatic edge control
to maintain the alignment of the processing material.
. Humidifying device
a)Special rubber coated roll stainless steel ground roll.
5. Flat dryer
in galvanized material, 2O meters long, with 8 independent zones with nozzle blowing system. Hydraulic opening system. Cylinders on the hinge side. Safety system. Opening on the left side in the material running direction. Each zone heated by electrical 50 kW elements, independently temperature controlled. Curved inside material track, H=600mm. Air recycle up to 70%. Heat converter to take care of the calories.
Capacity of the air blowing system for each section, 6,000 Nm3/h. Variable air volume fans.
6. Unwinding machine for the laminating web. ( as per point 1).
7. Pneumatic edge control (as per point 3).
8. Driving and larninating device:
a) One rubber coated driving roll.
b) One nylon covered idler noll
c) Pressure adjustment device
9. Rewinding machine, constant movement, double rewinding direction
a) Pneumatic shaft, standard 3” diameter
b) Security self locking studs wlth replacing shaft stiding surfaces.
10. Scraps cutting and rewinding device.
11. D.C . driving system.
a) 2 motors for coating machine.
b) 1 motor for laminating device.
c) 1 motor for rewinding machine.
d) 1 motor for humidyfying device.
As pilot motor is referred the ground roll of the coating machine.
All the other line motors, excluded humidifying device and rewinding machine, subdued to the pilot motor, with the possibility of single adjustment + or – 10% to control the tension of the web.
12. Main control panel
a) Net control
b) Line control
c) Heating and ventilating control
Electrical wire diagramns in english
13.Rewinding control panel.
14.Pneumatic net control panel.
Pneumatic diamgrams in english.