K 2022 - Düsseldorf, Germany

K 2022 - Düsseldorf, Germany

Baker Perkins will be exhibiting its extrusion technology at K 2022 at Messe Düsseldorf, 19th - 26th October 2022.

We will exhibit our MPX24 extruder on the Schenck stand in Hall 10, booth 10H45. We will also highlight our new capability to provide complete process lines from ingredient delivery to packaging infeed, in partnership with parent company Schenck Process Group.

Full detail of the show can be found at

New opportunities in extrusion-based biodegradable packaging

Baker Perkins offers proven twin-screw extrusion technology that can use biodegradable, starch-based substitutes for the manufacture of packaging materials. The extrusion process has been used for decades in handling starch based grains for the direct expansion of snacks and ready-to-eat cereals, and is an area where Baker Perkins has decades of expertise.

Sheets, loose fill chips and “peanuts” of expanded packaging are a familiar part of everyday life – and becoming more so as consumer shopping habits continue to migrate online. However single use packaging is particularly vulnerable to censure as concern for the environment grows. Alternatives to polystyrene and plastic will become essential, perhaps even compulsory.

Baker Perkins is highly regarded as a manufacturer of extruders for industrial applications such as the production of plastics. Although the biodegradable packaging product looks similar to plastic foam, when you scratch beneath the surface it is significantly different: the process of mixing, hydrating, expanding, shaping and cutting bio-materials into chips actually has more in common with food extrusion than plastics or other industrial processes. 

Baker Perkins' range of twin-screw extruders includes a 19mm benchtop machine for research labs, a 24mm unit for pilot plants and production extruders from 30mm up to 100mm. Dies for chips, strips and sheets of packaging are available, along with the appropriate cutter, and are easily interchanged to allow a wide range of packaging types to be manufactured.

New HPX range

The High Power HPX range of extruders delivers superior outputs from a smaller barrel, with reduced cost of ownership and machine down time, on powder coating, specialist chemical and biodegradable packaging applications.

Increased power and speed are the key attributes of the range, achieved by full utilisation of the motor through torque stability provided by the patented MAX³ feed system, and increased thrust capacity of the solid-shaft drive train.

The HPX retains all the latest features of the MPX range. As well as the MAX³ feed system these include purge feeders for quicker turnaround between batches; a hi-cool barrel increasing efficiency and allowing lower melt temperatures; a split stuffing box for increased access; and a pivoting main feeder for easier calibration and emptying. Noise is minimised by using water cooled main drive motors; a hi-cool discharge adaptor and non-stick coating minimise product hang-up at discharge.

MAX³ benefits

The MAX³ feed system incorporates a fundamental re-design of the intake feed port and screws. It improves the flow of material into the extruder barrel and air out of it to eliminate material build up in the extruder infeed that leads to restricted output and torque surges.

The system brings proven 40 to100% throughput benefits; top feeding creates improvements in operation that significantly reduce cost-of-ownership.

Side feeders force product into the screws, causing high levels of wear and the frequent cost of replacement . The process creates heat which can affect quality through pre-melt of resin on the screws, which causes loss of conveying capacity and is also a quality issue.

In contrast, top feeding directs material into the process section of the extruder, without pressure. There is minimal screw wear, no heat build up, no pre-melt and no quality problems. A major benefit is that lightweight, low density materials are now handled more efficiently.

State-of-the-art control feature a touch-screen HMI developed specifically for the complete range of Baker Perkins extruders. This provides clear, at-a-glance visualisation of the process, including current status of all major components and parameters. Options include systems integration of upstream and downstream equipment into a single control point for the line. 

All Baker Perkins equipment is supplied Industry 4.0 Ready. This harnesses data from all the machines, devices and sensors in any manufacturing operation and enables them to communicate with each other via the Internet to make informed and timely decisions. Alarm management and date gathering are included.

Complete line capability

Schenck Process Group's material handling technology and Baker Perkins' process expertise is being combined in complete process lines, from ingredient delivery to packaging.

Harnessing the joint capability of Schenck and Baker Perkins brings the benefits of an automated line from a single supplier. It was the key driver in the decision to unite the two companies in one organisation – both operate throughout the world.

Schenck Process engineers cutting-edge technologies and solutions across the bulk material handling spectrum. That includes accepting ingredients from the tanker, sifting, storing, conveying, weighing and feeding them into the process line. Baker Perkins takes over to convert the ingredients into finished product, ready for packaging.

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