The pack which is transferred from the collator to wrapping section carry the film along with it.

A Motorized Film Unwinding system shall be provided to unwind adequate amount of film required for wrapping. A film Guide roll and guide bush shall be provided. The necessary sensor (photocell) shall be provided to ensure availability of free unwounded film during sealing operation. A Dancing Roller with a proximity switch shall be provided to unwind the necessary film.

The front sealing jaw shall have a sealing of suitable width. This jaw will have a continuous heating arrangement for cutting and sealing of film. A water/air cooling shall be provided for the sealing head. The temperature of the sealing head shall be controlled with the help of a Temperature Controller (Continuous Heating).

At the time of wrapping the pack shall also be held from the top with the help of Pneumatic Arrangement.

SHRINK TUNNEL

The Shrink Tunnel shall be fabricated from Mild Steel structural with mild steel paneling duly printed and painted. The design of the machine shall be suitable to accept your packs of 450 x 350 mm (W x H).

The Shrink Tunnel shall consist of a Heating chamber, which shall be well insulated with Rockwool, to reduce loss of heat. The Heating chamber shall also have a top mounted Blower to blow temperature controlled Hot Air onto the product. The Air inside the chamber shall be heated with the help of U – Shaped Heaters. An Electronic Temperature controller shall be mounted for accurate control of temperature between 0*C to 250*C.

The Shrink Tunnel also consists of a chain linked with a G. I. Mesh Conveyor. The conveyor motion shall be of continuous type. The conveyor shall be driven by a A.C. Geared Motor to achieve speed variation for ensuring a proper shrinkage. The speed variation will be done with the help of a VF A.C Drive. A cooling fan shall be provided at the exit end to ensure a tight wrap. A necessary idle conveyor shall be provided for easy collection of pack.