This Kallfass KC 5040 is a used shrink packaging machine — sometimes referred to as a shrink wrapper — designed to wrap products in half-tube shrink film and then pass them through an integrated shrink tunnel for a tight, finished seal. Kallfass is a German manufacturer with a long-standing reputation in the packaging machinery sector, producing equipment for industrial and commercial packaging applications across a range of industries.
Built in 1993 and located in Germany, this machine is configured as a compact angle-welding unit combining a sealing station, shrink tunnel, and cooling station in a single mobile installation. The welding system operates on an impulse principle with a teflonised separation seam and is described as steplessly adjustable. The mould plates measure 500 × 400 mm, and the maximum packaging frame dimension is 500 × 500 × 290 mm. Compatible films are all half-tube shrink films up to 0.060 mm thickness, with a maximum folded film width of 550 mm on each side at 25–50 microns. The machine is noted as particularly suited to packaging paper and cardboard items in DIN A5 and DIN A6 formats, such as brochures and plans.
The shrink tunnel features a passage width of 450 mm and a heatable hood length of 900 mm. The tunnel passage height is adjustable in discrete steps of 100, 200, 300, and 400 mm, providing flexibility across different product heights. Heating is two-stage, rated at 4.6 kW and 6.0 kW, with an infinitely variable fan. Goods are automatically transported into the tunnel from the sealing station via a conveyor belt with a feed rate of 2.5 to 12 m/min, steplessly adjustable. A cooling station is integrated at the outlet, which measures 300 mm, and is equipped with a dedicated blower and a special cooling fan. The manufacturer's stated production output is 5 to 20 cycles per minute, depending on the product and film used.
Electrically, the machine runs on 380 V three-phase supply (3 × 20 A) with a 24 V DC control circuit, and is governed by a PLC control system. Total power consumption is 8.5 kW combined (6 kW plus 2.5 kW). Working height is adjustable between 870 and 970 mm. The machine's overall footprint is 2.8 × 1.1 × 1.3 m and it weighs 570 kg. Its mobile construction allows it to be repositioned within a facility as required.
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