What does lean manufacturing mean?
Lean manufacturing focuses on creating maximum value with as little waste as possible. Anything that does not add value for the customer is considered waste. Think overproduction, waiting times, unnecessary movements, redundant stock, transport, errors or underutilisation of talent. Systematically eliminating these wastes creates a more efficient, flexible and customer-focused production process.
The core of lean manufacturing is continuous process improvement (Kaizen), using data, visual management and employee engagement.
The 5 principles of lean manufacturing
A successful implementation of lean manufacturing is based on five universal principles. These form the backbone of any lean production:
Define value
Define what the customer really values. This can range from product quality to delivery time or price. Anything that does not add value for the customer is considered waste.
Mapping the value stream
Map the entire process, from raw material to finished product. By analysing each step, you can see where waste occurs and where improvements can be made. This is called value stream mapping (VSM).
Creating flow
Make sure products and information move smoothly through the process, without interruptions, waiting times or bottlenecks. A streamlined flow reduces lead time and increases output.
Implement pull system
Produce only when there is demand. Instead of working on stock, deliver based on customer demand. This prevents overproduction and excessive storage.
Striving for perfection
Lean production never stops. It is a continuous process of improvement (Kaizen). By making small improvements every day, the organisation grows towards perfection.
Applying these five principles structurally creates a culture of ownership, quality and efficiency.
Workplace optimisation within lean production
An organised and efficient workplace is crucial within lean production. Good workplace design supports flow, prevents waste and increases productivity. Some key components:
5S Method
The 5S method is a Japanese method (Sort, Arrange, Clean, Standardise, Stand) and ensures a clean, structured work environment. It reduces search time, increases safety and promotes standardisation.
Ergonomic workstations
Lean production avoids unnecessary movements. Ergonomically designed workbenches reduce physical strain and make operations faster and safer.
Adjustable work tables
An excellent addition within lean workstation design are adjustable workbenches. They offer ergonomic flexibility for employees of different heights or with alternating tasks. This increases comfort and reduces risk of mistakes or injuries, which fits in perfectly with lean thinking.
Visual management
Colour coding, lines on the floor, status boards(Andon), mobile whiteboards and instruction cards make processes transparent. Visual management ensures that everyone sees the status immediately - essential for quick action and collaboration.
Point-of-use storage
Materials are kept right at hand, exactly where they are needed. This eliminates walking, searching and unnecessary movements.
Warehouse and logistics solutions in lean production
In lean production, streamlined warehouse and internal logistics are as important as the production line itself. Smart solutions help prevent waste, make processes visual and save time.
Order pickers
Picking trolleys are mobile carts used to pick parts or products efficiently. They are indispensable in lean production:
- Support Just-in-Time delivery
- Minimise walking routes
- Promote FIFO principle (First-In, First-Out)
They enable direct supply of work cells and increase accuracy in order processing. When you often need to order heavy products or materials, you can also equip the order picker with an electric drive, read more about this solution the E-pick cart.
Tugger trains
Tugger trains are transport trains with several linked carts that transport materials or parts within a production environment. Their use fits perfectly with lean production:
- Replace forklifts (safer and cheaper)
- Follow fixed routes and timetables
- Support pull-logistics from a central stock
- Increase delivery reliability to work cells
Flow racks
Flow racks, are slightly inclined racks where products automatically roll forward as soon as an item is removed. They are ideally suited for:
- FIFO stock management (prevents material obsolescence)
- Visual stock control
- Fast and ergonomic picking
- Supporting pick-by-light or order picking systems
Flow racks and kanban racks reduce search time, walking distance and chances of error and thus contribute strongly to lean production.
Digital support in lean production
Technology reinforces the principles of lean production. Consider:
- MES software for real-time process monitoring
- Digital Andon boards for fault or quality notifications
- AR tools for picking or assembly instructions
- ERP links with warehouse management systems (WMS)
These tools make it possible to spot deviations faster and fine-tune processes.
Employee involvement
In lean production, employees are not implementers but thinkers in the process. They are actively involved in improving their own work processes. This is done through:
- Day starters and visual KPI boards
- Kaizen suggestion systems
- Lean training courses
- Improvement teams (e.g. A3 or DMAIC teams)
A culture of continuous improvement can only exist if employees feel involved, heard and competent.
Conclusion: Lean production is the way to efficiency and value
Lean manufacturing is more than a method - it is a way of thinking and working. By eliminating waste, optimising processes and engaging employees, you create a powerful, agile organisation. Whether you work with order picking carts, adjustable work tables, tugger trains or flow racks: each element contributes to leaner, more efficient production.
Want to lean your production or warehouse? Start at the basis: observe, involve your team, improve step by step and build a culture of continuous learning and improvement.