Level production (heijunka)

Spread the volume and the product mix evenly over time, so the plant does not live between peaks and valleys.

The task in figures

Gives you back
It does not recur every month
Elmira today
Not covered
Frequency
Per project
Who does it today
Senior, Lead
How it is done today

What hurts today.

  • The plant swings from overtime to idle people.

  • Sales promises what the plant cannot level.

  • The heijunka box is dropped at the first emergency.

Making big batches as orders arrive pushes the plant from overtime to idle people. Leveling means looking at demand and the product mix, setting a cycle that repeats each product in small batches, building the heijunka box that spreads the orders into even intervals and tuning it with planning and sales. A senior or a lead designs it, because it changes how the whole plant is scheduled.

Done today with

  • Expert
  • In-person meeting
  • On the floor
  • Paper and whiteboard
  • Spreadsheet
  • Company system
With Elmira

Each step, today and with Elmira.

She does not: leveling production needs specialist analysis and agreements with planning and sales.

StepTodayWith Elmira
Analyse demand and the product mixSpreadsheet, Company system1 h – 3 hStill by hand
Set the cycle that repeats each productSpreadsheet, Expert1 h – 3 hStill by hand
Build the heijunka box that spreads the ordersPaper and whiteboard, On the floor1 h – 3 hStill by hand
Agree on it with planning and salesIn-person meeting1 h – 2 hStill by hand
Adjust it when demand changesSpreadsheet, Expert30 min – 1.5 hStill by hand

The conversation

No example conversation: the Obeyaka web app does it, or it comes later.