9. Power connection

  • Power connection

11. Starting the machine

  • Starting the machine
  • 12.
  • Shut down/switching off the machine

13. Shrinking operation

  • Shrinking operation

9. POWER CONNECTION

  • Open panel box cover , one can see five terminal points on the power connection terminal block with indication R, Y, B, N and E. The connections are to be made us follows. Connect the terminal points R, Y and B to phases N to the natural and E to the earth. Switch on MCB. All...
  • For machines without phase sequencer, turn on the blower fan and ensure that it spins anticlockwise, if not interchange any 2 phase after the motor comes to a complete stop.

10. CONTROL PANEL

  • Blower on/off switch
  • Heater on/off switch

11. STARTING THE MACHINE

  • SET button
  • STOP button
  • To start the machine, connect the machine to appropriate power supply and switch on.
  • A LCD check function is done first; version of the software is displayed.
  • SHRINK TUNNELS
  • Sevana’s micro-processor based shrink tunnel machine has 4 preset modes or programs. Each program can be set with different parameters.
  • Temperature represents the temperature of chambers to shrink the film in degree Centigrade (°C). Speed represents the speed of conveyor (Minimum-maximum = 0-10 meter/min), Parameter can vary from 0-20.
  • Select the mode by pressing “MODE” button. Four modes are available.

13. SHRINKING OPERATION

  • Special plastic films which shrink on application of heat are used for shrink wrapping. The temperature required for shrinking each film varies and this information can be obtained from the film manufactures. Shrink films commonly available are,
  • Insert the article in a preformed sleeve or tube of shrinkable film of suitable size. Seal the open ends
  • & make a few holes on the film by pricking it with a pin. The corners of the film may also be sealed cut off for better appearance. If open ends are desired, the ends of the tube need not be sealed.
  • Place the wrapped article on the conveyor at the inlet. The article will come out of the outlet properly shrunk. Inspect the article.
  • If POF or PVC film used, to avoid the conveyor rod marks on the product then adjust the conveyor rod support so that conveyor rod support will fret conveyor rods and the rod will rotate.
  • Shrink Film
  • SAFE TO TURN OFF