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Robots in the process flow / Food Manufacturing

Industrial Bakery Production Line

Fermentation, dividing, and baking are handled by dedicated equipment; robots come in for bag feeding, tray handling, feeding the packaging line, case packing and palletizing, and transport. Public cases from Japanese bakeries are scarce, so overseas bakeries and adjacent Japanese food plants (confectionery, rice, beverages) fill the gaps.

6 of 9 steps have robot-ready tasks (13 in total).

Illustration of an industrial bakery line, from ingredient receiving to case packing, with robots

Process flow

Select a step to jump to its tasks.

  1. 1Receiving1 task
  2. 2Mixing2 tasks
  3. 3Bulk fermentation
  4. 4Dividing
  5. 5Shaping2 tasks
  6. 6Baking
  7. 7Depanning & cooling1 task
  8. 8Packaging2 tasks
  9. 9Packing5 tasks
Robot-ready tasksDedicated equipmentStays with people

Process sources: 厚生労働省 製パン 職業能力評価基準 関連資料 / 福岡労働局「今月はパン職人」 / 大林組 製パン工場(施設計画)

Tasks by step

For each step, the tasks people do today that robots already handle somewhere. Follow the link to candidate robots and proven deployments.

  1. Ingredient receiving & storage

    Receive flour, yeast, fats, and sugars. Flour goes to silos; minor ingredients stay in bags and are weighed the day before.

    Robot-ready
  2. Weighing & mixing

    Mix the ingredients into dough. Opening and tipping bagged ingredients is manual, as is checking dough consistency and temperature.

    Robot-ready
  3. Bulk fermentation

    Ferment the dough in a proofing room at controlled temperature and humidity.

    Equipment

    Handled by the fermentation room; there is no handling work.

  4. Dividing, rounding & resting

    Divide the dough by weight, round it, and rest it in an intermediate proofer.

    Equipment

    Dividers, rounders, and intermediate proofers run at high speed; there is little room for a robot arm.

  5. Shaping & tray loading

    Shape by hand or machine and place in tins or on trays. Pulling trays and boards and arranging dough are manual.

    Robot-ready
  6. Final proof & baking

    Proof the trays in the final proofer and bake in the oven; people decide temperature and time.

    Equipment

    Handled by the proofer and oven; settings are decided by people.

  7. Depanning & cooling

    Remove baked goods from tins and trays and cool them under controlled temperature and humidity.

    Robot-ready
  8. Slicing & packaging

    Slice and bag loaf bread; wrap sweet buns individually. Feeding the wrapper and collating packs are manual.

    Robot-ready
  9. Case packing, palletizing & shipping

    Pack wrapped goods into crates and cartons, apply date labels, palletize, and ship.

    Robot-ready

Summary

StepRobot-ready taskStageUse-case guide
1. Ingredient receiving & storageMoving ingredients from the warehouse to the production areaIn use in JapanTransport, Storage & Retrieval
2. Weighing & mixingDepalletizing 25 kg ingredient bags, opening them, and tipping them into the hopperProven overseasRaw Material Feeding & Supply
2. Weighing & mixingOpening cartons, lifting out inner bags, cutting, tipping, and clearing emptiesIn use in JapanRaw Material Feeding & Supply
5. Shaping & tray loadingPulling trays and boards from racks, laying baking paper, and arranging dough on traysProven overseasRaw Material Feeding & Supply
5. Shaping & tray loadingUnloading loaded trays from the freezer and stacking them onto rack trolleysProven overseasTransport, Storage & Retrieval
7. Depanning & coolingLifting baked goods off trays and out of tins (robotic depanner)Proven overseasAssembly & Processing
8. Slicing & packagingPicking products at the oven exit to feed the wrapper, then collating packs into multipacksProven overseasRaw Material Feeding & Supply
8. Slicing & packagingAI image inspection of baked goods for shape defects, chips, and foreign matterIn use in JapanInspection & Quality Control
9. Case packing, palletizing & shippingApplying shipping labels per bread crate, and supplying, discharging, and stacking the cratesIn use in JapanPacking & Palletizing
9. Case packing, palletizing & shippingPicking bagged loaves and rolls from a moving conveyor into shipping cratesProven overseasPacking & Palletizing
9. Case packing, palletizing & shippingTray-packing baked pastries and case-packing wrapped loavesProven overseasPacking & Palletizing
9. Case packing, palletizing & shippingCase palletizing with a compact cobot palletizerIn use in JapanPacking & Palletizing
9. Case packing, palletizing & shippingMoving finished-goods pallets from the packaging line to the warehouseProven overseasTransport, Storage & Retrieval

Before you deploy

  • Hygiene guideline: comply with MAFF's 2024 guideline on introducing and operating robots in food plants, which sets out HACCP-aligned steps and required features for food-grade robots.
  • Food-grade specification: food-grade grease, washdown paint, and sealing. For robots touching dough, confirm the direct/indirect contact class and cleanability.
  • Clear bags: bagged bread is hard to locate with 2D cameras; ToF 3D cameras that capture shape have a track record.
  • Gripping soft products: choose the hand per product — suction, needles, layer grippers, or soft grippers.
  • High mix: bakeries often run 100+ SKUs; automating changeovers, such as sensing crate or tray types, becomes a requirement.
  • Main-ingredient feeding is usually out of scope for robots: flour is supplied from silos by pneumatic conveying, so bag feeding applies to minor ingredients.

Discuss where to start in your own process

Bring your process chart and we will map the easiest tasks to replace, candidate robots, and a PoC plan with you.

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