Rochman - Heat Tunnel

Applications & Use Cases

• Shrink wrapping individual food items or multi-packs for retail presentation.
• Sealing tamper-evident bands around bottle caps and container lids.
• Applying protective film to trays of ready meals or baked goods.
• Creating collation packs for efficient handling and distribution of products.

Typical Specifications

Typical throughput

Varies significantly by model, but commonly ranges from 10 to 60 packs per minute for this class of equipment.

Power supply

Typically 3-phase industrial power, often 400V or 415V, with varying amperage requirements depending on heater bank size.

Tunnel dimensions (L x W x H)

Internal tunnel dimensions commonly range from 600mm to 1500mm in length, with widths between 300mm and 600mm, and heights from 100mm to 400mm for this type of unit.

Heating method

Most units utilise electric heating elements with forced air circulation to ensure even heat distribution.

Conveyor type

Commonly features a mesh belt conveyor, often PTFE-coated, or a roller conveyor, with adjustable speed control.

Temperature range

Typically adjustable from ambient up to 200-250°C, allowing for processing of various film types.

Frequently Asked Questions

• What types of film can a heat tunnel process?

  Heat tunnels are generally compatible with various shrink films, including PVC, POF (polyolefin), and PE (polyethylene), depending on the film's gauge and the tunnel's temperature capabilities.

• Is a heat tunnel suitable for all food products?

• What maintenance is typically required for a heat tunnel?

• How does a heat tunnel integrate into a packaging line?

• What safety features are commonly found on heat tunnels?