# Production scheduling cut setups by 70% and delays by 78%

> Line scheduling, which used to take two weeks of manual work, is now solved in one hour, with a three-month horizon.

Sector: Manufacturing. Client: Make-to-order manufacturer (anonymous, per Orion policy).

## Results

- **70%** — reduction in the number of line setups
- **78%** — reduction in late deliveries
- **1 hour** — to schedule the line, down from 2 weeks

## The challenge

The order in which jobs enter the line determines how many tool changeovers the plant makes and how many deliveries run late. It is a decision made every week, under pressure, balancing promised due dates, resource availability and sequencing constraints that only the people running the operation know.

Done manually, scheduling took about two weeks of work and reached only a short horizon. The plan was out of date the moment it was finished: any change in orders or capacity meant redoing much of the reasoning, and the result depended on who was scheduling at the time.

## The approach

Orion modeled scheduling as an optimization problem with 18 input parameters, covering deliveries, due dates and resources, spanning a space of roughly 27 million possible sequences.

The model now generates the line schedule three months ahead in about an hour, with the operation's rules built into the formulation. Beyond the time savings, the result no longer varies with the scheduler: the same input produces the same plan, and alternative scenarios can be compared before the line stops.

## Project objectives

- Reduce the number of setups without compromising promised dates.
- Shorten the scheduling cycle and extend the planning horizon.
- Make the plan reproducible, regardless of who builds it.

## About the company

- 18 input parameters in the model
- ~27 million possible combinations
- 3-month scheduling horizon

## Solution applied

[Advanced Production Scheduling](https://orionotimizacao.com/en/solutions/advanced-production-scheduling) — Smart production planning that respects shop floor constraints and maximizes throughput.

---

HTML version of this page: https://orionotimizacao.com/en/case-studies/production-scheduling-setups-and-delays
Esta página em português: https://orionotimizacao.com/estudos-de-caso/sequenciamento-de-producao-setups-e-atrasos
Index for agents: https://orionotimizacao.com/llms.txt · Sitemap: https://orionotimizacao.com/sitemap.xml
Contact: WhatsApp +55 (54) 99167-8345 · orion@orionotimizacao.com