Palletizing Case Study (Margarine) - Tech-Con Automation
Robotic Palletizing solutions case study by Tech-Con Automation
Palletizing Solutions
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Palletizing Case Study (Margarine)

Mississauga, Ontario manufacturer saves space by palletizing two different lines with one robotic palletizing cell


A margarine producer required a palletizing and stretch-wrap solution for two different sizes of containers. Tech-Con Automation studied the client’s requirements and designed a compact robot cell using a Motoman MLP160 palletizing robot integrated with a Allen-Bradley CompactLogix PLC to produce a dual-line station that met the client’s space and productivity needs.

Customer Needs

    • Multiple carton sizes to handle both bulk and prepackaged product, simultaneously palletized from two (2) separate in-feed lines.
    • Automatically feed pallet and cartons to pallet loading locations.
    • Only forklift operators were available to supply and take away pallets.


Our Solution

    • Tech-Con analyzed the cell requirements and determined that one robot could keep both lines running at the appropriate through-put.
    • To accommodate two different-sized cartons, different stacking configurations were developed to fit each line’s carton into the appropriate pallet in the most efficient manner.
    • End-of-Arm tool: Both the heavy and light corrugated divider slip sheets could be picked using vacuum technology combined with mechanical clamping which ensures stability during case transfer at high speeds.
    • By utilizing zero back-pressure CDLRs on incoming cartons, incoming boxes could be buffered without the need to maintain large buffer areas while ensuring the boxes were not damaged.
    • Using a dual pallet de-stacker with pallet-feed conveyor enabled forklift operators to place a stack of pallets into the de-stacker magazine for each of the two different-sized pallets.
    • By using a single-pallet shrink-wrapper on a single out-going conveyor, the cost of a duplicate wrapper was avoided, and floor space needs were reduced.



    • Safety and ergonomics: Moving from a manual operation to a robotic one reduced injuries and eliminated repetitive strain issues.
    • Minimizing floor space: Tech-Con reduced the footprint and overall cost of the cell by combining the incoming lines into one.
    • Going forward, the client only requires one robot and tool, a significant bottom-line savings which makes the company more competitive and capable of gaining more orders.