FOOD & BEVERAGE A PERFECT MATCH
Rob Allen, Divisional Manager (Packing Solutions), Interfood Technology, discusses the hidden cost of poor transfer-point design in food processing, and outlines the advantages of improved handovers
F
ood processing lines are often judged by the rated capacity of major assets; slicers, cookers, weighers, packers, inspection systems and conveyors. On paper, each item may have enough capacity. In
operation, performance is often constrained by the transfer-points between them. Across food processing environments, transfer- points are often where otherwise well-designed lines begin to lose consistency. These handovers look simple, but they ask a lot of the product. It may need to change speed, direction, height, spacing, orientation or support surface quickly. The risk increases with products that are delicate,
irregular, sticky, wet, lightweight, variable in size or moving at high speed. The question is not just whether a product can be moved from one
weighing, inspection or packing. Poorly controlled drops and gaps can introduce damage or loss. Fragile bakery items may crack or crumble. Coated or moist products may smear, stick or drag. Lightweight items can be disturbed by air movement, belt vibration or guide pressure. Build-up can also cause bridging, blockages or inconsistent feeding.
still runs below expectation. The consequences can include reduced
throughput, more rejects, inconsistent presentation, increased waste and additional manual handling. Hygiene can also be affected if product accumulates in hard-to-clean areas, or if operators need to intervene repeatedly.
This is why a line can appear to have sufficient capacity in a layout review, but underperform in daily operation. The machines may be capable, but product flow between them is unstable. Good transfer-point design starts by assessing the
full product journey, not only individual machines. At each handover, engineers should consider product condition, orientation, temperature, moisture, fragility, spacing and speed. The aim is understanding how the product actually behaves, not only how it is expected to behave in a drawing.
machine to the next. It is whether it can be moved repeatedly, hygienically and without disturbing the line’s rhythm.
Small mismatches Many transfer-point issues come from small mismatches. A conveyor feeding slightly faster than the downstream machine can create pressure or build-up. A slower downstream section can turn spacing into accumulation. If controls are not aligned, products may arrive correctly during steady running, but behave unpredictably during starts, stops or changeovers.
Orientation is another common weak point. A
product presented squarely to one process may rotate, skew or topple during a belt gap, height change or transition onto another surface. For sliced, portioned or deposited products, even a modest change in presentation can affect
24
Real world production Another problem is design based on nominal product characteristics. Real production is less tidy. Temperature, moisture, firmness, size distribution and surface behaviour can change during a shift, between batches or after a recipe adjustment. A transfer point that works with ideal samples may struggle with normal variation. Access matters too. Transfer areas collect crumbs, liquids, fragments and rejected product. If guards, framework or tight spaces make inspection and cleaning difficult, cleaning routines can take longer and operators may need to intervene more often. Transfer-point problems rarely stay local. A hesitation at one handover can starve a downstream process or overload an upstream section. Operators may clear minor blockages many times an hour without those interruptions being recorded as formal downtime, yet the line
PROCESS & CONTROL ENGINEERING | JULY/AUGUST 2026
Managing speed and control Speeds and controls should be matched across connected equipment, with thought given to acceleration, deceleration, accumulation and restart behaviour. Uncontrolled drops, excessive gaps and unnecessary direction changes should be minimised. Where change of level or orientation is unavoidable, it should be managed deliberately. Design should also allow for real product variation. That means testing different product sizes, temperatures or moisture levels, and checking performance during peak throughput as well as steady-state running. Trials and production data help expose behaviours not always visible during desk-based layout work. Finally, access should be treated as a design
requirement. Transfer areas need to be cleanable, inspectable and adjustable without creating unnecessary delay or unsafe intervention. Improving major equipment alone will not guarantee line performance. In automated food- processing lines, the handover between processes can be the difference between theoretical capacity and reliable output. Better transfer-point design, supported by closer coordination between processing stages, helps reduce disruption and makes automation investments work more consistently in real operating conditions.
Interfood Technology
www.interfoodtechnology.com
Page 1 |
Page 2 |
Page 3 |
Page 4 |
Page 5 |
Page 6 |
Page 7 |
Page 8 |
Page 9 |
Page 10 |
Page 11 |
Page 12 |
Page 13 |
Page 14 |
Page 15 |
Page 16 |
Page 17 |
Page 18 |
Page 19 |
Page 20 |
Page 21 |
Page 22 |
Page 23 |
Page 24 |
Page 25 |
Page 26 |
Page 27 |
Page 28 |
Page 29 |
Page 30 |
Page 31 |
Page 32 |
Page 33 |
Page 34 |
Page 35 |
Page 36 |
Page 37 |
Page 38 |
Page 39 |
Page 40 |
Page 41 |
Page 42 |
Page 43 |
Page 44
