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ORPAON Lean Production

A well-known food manufacturer · Food Manufacturing

Coordinated OEE, Batching Error-Proofing, and Weighing Traceability in Food Manufacturing

To address manual-batching risks, opaque production-line losses, and fragmented batch data, the project implemented an OEE model line and expanded it to a two-plant platform. The scope also covered Andon, manual batching error-proofing, chocolate-piping monitoring, weighing traceability, alarm publishing, energy management, and annual maintenance.

Typical challenges

  • Manual material issuance, weighing, and ingredient addition needed to reduce reliance on human detection for wrong materials, omitted steps, and out-of-tolerance conditions.
  • Downtime, minor stops, speed losses, and quality losses across areas lacked consistent definitions, making it difficult to trace summary figures to specific improvement causes.
  • Weighing, packaging, outer-case, and other identities and process records needed to be connected to support forward batch tracing and backward verification.
  • Two-plant rollout needed to reuse common methods while addressing differences in equipment, recipes, operations, and data interfaces.

Implemented scope

OEE Model Line and Two-Plant Platform

First confirmed definitions for equipment states, output, cycle time, good count, and loss causes on a model line, then extended the validated analysis method and platform capabilities across both plants.

Andon and Alarm Publishing

Connected abnormal-condition calls, status prompts, response records, and alarm information according to role-based workflows, preserving event evidence for downtime attribution and handling reviews.

Online Error-Proofing for Manual Batching

At batching workstations, combined recipe steps, barcode checks for material issuance and returns, real-time weight comparison against digital scales, and out-of-tolerance alarms, recording operations and exception handling.

Weighing Traceability and Process Monitoring

Linked weighing and batch records with downstream packaging records and monitored chocolate-piping status, providing a unified entry point for process queries.

Energy and Ongoing Maintenance

Incorporated energy data into the plant operating view and used annual maintenance to address ongoing operation and maintenance needs for the deployed systems.

Expected operational outcomes

  • ✓ Batching error prevention moved from relying solely on operator experience to joint validation using barcodes, weights, and tolerance rules.
  • ✓ OEE losses gained a consistent recording and attribution entry point, providing a common factual basis for shift-team improvement and management reviews.
  • ✓ Weighing and batch-related records became easier to trace forward and backward, reducing reliance on manual cross-table reconciliation.
  • ✓ The model-line method provided reusable definitions for coordination across both plants while retaining room for site-specific adaptation.

Scope and disclosure boundaries

  • • This case uses only the approved public alias and does not disclose the client's name, logo, site photographs, interface screenshots, recipes, process parameters, or other identifying information.
  • • Public scope is limited to the OEE model line and two-plant platform, Andon, manual batching error-proofing, chocolate-piping monitoring, weighing traceability, alarm publishing, energy management, and annual maintenance.
  • • No scale figures are disclosed for workstations, scales, production lines, tanks, or other assets, nor are error rates, OEE improvements, recall scope, or financial benefits disclosed.
  • • Weighing traceability and batching error-proofing are technical system capabilities; they do not constitute GMP, ISO, or other management-system certification, audit passage, or compliance assurance.

Conditions for replication

  • • First have the plant confirm material codes, recipe versions, ingredient-addition sequences, weighing tolerances, exception authorizations, and batch splitting and merging rules, avoiding hard-coding unresolved rules into the program.
  • • Verify digital-scale, scanner, PLC, and network interfaces. Build acceptance cases around stable weighing, out-of-tolerance conditions, wrong barcodes, missed scans, disconnections, and supplementary entries.
  • • For OEE, first use a model line to standardize planned time, downtime, ideal cycle time, output, and good-count definitions before rolling out the platform. Do not directly rank plants or lines using data based on different definitions.
  • • When replicating to other sites, reuse data dictionaries and screen frameworks while reconfirming local recipes, equipment interfaces, packaging identities, and operating differences.

Define a Common Data Foundation for Batching, Error-Proofing, and OEE

Start with real recipe rules and one model line. Confirm weighing validation, batch keys, and loss definitions before discussing the rollout scope.