Lean manufacturing definition: What is lean manufacturing? The core principle of lean manufacturing refers to the practice of reducing waste and improving productivity, helping organizations offer a better product or service more efficiently to their customers.
Though the concept of lean manufacturing has been around since the 1930s, the ideas behind it are still relevant today and widely practiced, particularly with the advent of affordable digital technology for small and midsize businesses.
Today, we’ll be taking a look at the key areas of lean manufacturing and how technology can help address these areas.
Learn how to secure your manufacturing operations in Impact’s webinar, Keys to Cybersecurity in Manufacturing: Prevent Downtime, Stop Threats.
Origins of Lean Manufacturing
Lean manufacturing has its roots in early 20th-century production methods, but it was formalized and refined by Toyota in the decades following World War II. Faced with limited resources and the need to compete with larger manufacturers, Toyota developed what became known as the Toyota Production System (TPS), a framework focused on reducing waste while maximizing efficiency and quality.
Two foundational ideas shaped this approach:
- Just-in-Time (JIT): Producing only what is needed, when it is needed, in the exact quantity required
- Jidoka: Building quality into processes by combining automation with human oversight
While these concepts were introduced decades ago, they remain core to what is now recognized as a modern lean manufacturing strategy. What has changed is how organizations apply them.
Over time, lean manufacturing evolved from a production philosophy into a broader operational approach used across industries. Manufacturers began applying lean principles not only on the factory floor, but also in areas such as supply chain management, product development, and customer service.
Today, digital technology has expanded what lean manufacturing can achieve. Cloud platforms, connected systems, and real-time data now allow organizations to apply lean principles with greater precision and at a larger scale.
For example, manufacturers can monitor production performance in real time, adjust workflows dynamically, and identify inefficiencies across multiple locations.
Understanding the origins of lean manufacturing helps clarify its purpose. It is not a trend or a single initiative. It is an ongoing effort to eliminate waste, improve processes, and deliver more value to the customer using the most effective tools available.
Core Methods of Lean Manufacturing
What's makes up a lean manufacturing strategy? There are five core methods of lean manufacturing that attempt to streamline operations as effectively as possible. They are:
1. Improving processes
In manufacturing terms, these could be any number of processes from the assembly line itself to inventory management or AI analysis.
These processes are not restricted to any one department; there are several within any manufacturing company—or any company, for that matter—that can benefit by using tech to improve their processes. A simple example would be to automate payment invoices, order fulfillment, or to use bulk actions for large orders.
Suggested solution: workflow automation
When we talk about improving processes in an organization, it's common to pursue automation as a means to do so.
By using robotic process automation (RPA), companies can utilize software bots that are either attended or unattended.
Attended bots require a human to personally trigger the action, whereas unattended bots operate on their own without the need for any input.
By using the appropriate mix of attended and unattended bots, working processes can be streamlined significantly during the manufacturing process, from production to fulfillment.
2. Identifying value
The value of your product is determined by the value that your customers find in it. While this may seem obvious, a large number of manufacturers fail to dig into the valuable data that their customers provide.
A study by Deloitte shows that many manufacturing enterprises are lagging when it comes to broader enterprise-wide initiatives such as customer-centric innovation and human resources.
In other words, many businesses in the industry are not taking advantage of the technology at their disposal to identify value. When they do, they are able to more effectively assess what works and what doesn’t, providing a better overall product.
Suggested solution: big data analytics
In today's digitally-driven world, big data makes or breaks organizations.
Data is everywhere, in every facet of our lives, and yet so few businesses leverage this information to help them identify valuable insights for growth.
Of businesses that adopt the cloud, 87% of them report business growth from their cloud use. 41% of businesses are able to directly attribute business growth to their use of cloud services.
The simple fact of the matter is that while many businesses profess a desire to make more use of their data, the reality is that very few of them do.
Data can be useful for practically any job, whether it's determining how you can better track inventory levels using predictive analytics, monitoring the health of machines in the production line so problems can be routed out before they become a larger issue, or having the ability to more effectively assess your factory's efficiency for individual processes.
3. Continually improve
Lean manufacturing today, as with most digital initiatives, is about continually improving your processes, rather than treating it as a one-off solution.
This means that once the technology is in place, like a new ERP system, it should be used to consistently look for issues in product quality and waste, helping the business remove factors—often previously unknown—that are slowing processes.
Suggested solution: Managed IT
Being able to scale tech solutions is important for organizations today. As we continue to move away from the more traditional approach of one-off purchases for software—these systems today are commonly referred to as legacy solutions.
While there's nothing wrong with legacy solutions per se, software developers and distributors have shifted to cloud-based subscription models for their apps.
Cloud-based solutions offer the best pathway for technology implementation as far as future-proofing is concerned, chiefly because these solutions are very scalable for businesses experiencing growth or decline, alleviating some of the issues that might be present when encumbered with an old system.
Learn more about what a Managed IT program looks like here.
4. Create flow
Flow is highly contingent on improving processes. Flow is when a business improves its processes to the point where an order process, from placement to delivery, runs as smoothly as possible with the tools available.
If there are unnecessary barriers that slow this process down, then your flow is disrupted, and you’re losing money, whether it’s through labor costs or the cost of not being able to deliver the kind of service you’d like to.
Suggested solution: process mapping/automation
Establishing good flow begins with understanding exactly how effective your working processes are, which is done through process mapping.
This also ties into automation once more, as after the process mapping is complete, stakeholders can identify where they are having issues with flow and adopt automation as a means to improve it.
5. Standardize processes
Finally, we have standardized processes. It’s impossible to improve your processes and achieve flow if your processes are not standardized to some degree.
Standardization removes guesswork in processes and ensures a defined degree of quality. It also allows you to have a documented system for your processes so you can compare it to your improved processes down the line.
Suggested solution: enterprise resource planning (ERP)
We will go into a little more detail about ERPs later in the post, but ERPs in the context of standardizing processes is extremely important.
This is particularly the case for organizations that still operate with different departments using different solutions that are not connected to one another.
Because of this disconnect, it's common for businesses to inadvertently create data silos—in effect shutting off their own ability to comprehensively assess their own data across the organization.
By adopting an ERP, companies can integrate all their solutions into a single dashboard, making data accessible at any time from anywhere.
This allows for far more standardization, and is particularly important for businesses that operate across multiple offices or locations.
Lean Manufacturing Examples
Lean manufacturing is most effective when it moves beyond theory and is applied directly to real operational challenges. Many well-known organizations have used lean manufacturing techniques to reduce waste, improve efficiency, and deliver better outcomes.
Toyota
Toyota remains the most widely recognized example. Its production system is built around just-in-time manufacturing and continuous improvement. By producing only what is needed and identifying issues in real time, Toyota minimizes excess inventory, reduces defects, and maintains high levels of quality. This approach allows the company to operate efficiently without overproducing or tying up resources unnecessarily.
Dell
Dell applied lean principles to its computer manufacturing process by shifting to a build-to-order model. Instead of producing large volumes of pre-configured products, Dell builds systems based on actual customer demand. This reduces excess inventory and ensures that resources are used only when there is confirmed demand, aligning closely with the core goal of lean manufacturing.
Nike
Nike has taken a different approach by focusing on reducing waste within its production processes. The company introduced lean techniques across its manufacturing network to cut down on material waste and improve efficiency on the factory floor. As a result, Nike has reduced defects and shortened production timelines while maintaining product quality.
Amazon
Amazon uses lean concepts within its fulfillment operations. Through automation, data analysis, and streamlined workflows, Amazon reduces unnecessary movement, improves picking and packing processes, and ensures orders are fulfilled as efficiently as possible. The result is faster delivery times and lower operational costs.
These examples highlight a key point. Lean manufacturing is not limited to one industry or a single type of operation. Whether the focus is production, inventory management, or fulfillment, the same principles apply:
- Eliminate waste wherever it exists
- Align production with actual demand
- Continuously improve processes using data and insight
In practice, a successful lean manufacturing strategy depends on how well these principles are applied to specific business challenges.
How to Implement Lean Manufacturing
Implementing a lean manufacturing strategy is not about applying a single solution. It requires a structured approach that aligns processes, technology, and teams around reducing waste and improving performance.
In most organizations, implementation happens in stages rather than through a complete overhaul. This allows teams to improve operations while maintaining production continuity and minimizing risk.
A practical approach to lean manufacturing implementation typically includes:
1. Assess current operations
Start by identifying where waste exists across your processes. This can be done through internal audits, process mapping, or performance data analysis. The goal is to understand where time, materials, or effort are being lost.
2. Define value and priorities
Lean manufacturing begins with value from the customer’s perspective. Once that is clear, organizations can prioritize the processes that have the greatest impact on quality, delivery, and cost.
3. Standardize and document processes
Establishing consistent workflows is essential before making improvements. Standardized processes make it easier to identify inefficiencies and measure progress over time.
4. Introduce enabling technologies
Technology plays a key role in modern lean manufacturing methods. Systems such as ERP platforms, automation tools, and analytics solutions help improve visibility, reduce manual work, and support better decision-making.
5. Train teams and manage change
Lean manufacturing depends on people as much as processes. Employees need to understand how changes affect their roles and how they can contribute to continuous improvement. Clear communication and training are critical to long-term success.
6. Continuously measure and improve
Lean is not a one-time initiative. Organizations should track key performance indicators and look for opportunities to refine processes over time. Small, consistent improvements often deliver the most sustainable results.
One of the most common mistakes in lean manufacturing implementation is trying to do too much at once. Successful organizations focus on targeted improvements, build momentum, and scale their efforts over time.
When implemented effectively, lean manufacturing creates a more efficient, responsive operation that is better equipped to adapt to changing business demands.
How Lean Manufacturing Prevents Waste
At its core, the goal of lean manufacturing is to eliminate waste that does not add value to the end product. While traditional operations often accept inefficiencies as part of doing business, lean manufacturing methods focus on identifying and removing them wherever they exist.
In practice, waste shows up in several common ways across manufacturing environments:
- Excess inventory that ties up capital and storage space
- Overproduction that leads to unused or outdated products
- Unnecessary movement of people, materials, or equipment
- Idle time caused by delays, bottlenecks, or inefficient workflows
- Over processing that adds time or cost without improving quality
- Defects that require rework or result in scrap
- Underutilized talent, where employees are not fully contributing their skills
Lean manufacturing techniques address these issues by improving how work flows through the organization. For example, just-in-time production reduces excess inventory and overproduction by aligning output directly with demand.
Process mapping and workflow optimization help eliminate unnecessary steps and reduce delays. Quality-focused practices, such as Jidoka, ensure that defects are identified and corrected early, preventing costly rework later on.
Technology has also made it easier to identify and reduce waste at scale. With better data visibility, manufacturers can track performance in real time, spot inefficiencies, and make adjustments more quickly. Automation helps remove repetitive manual tasks, while analytics can highlight patterns that would be difficult to detect otherwise.
The impact is cumulative. Instead of relying on large, one-time improvements, lean manufacturing creates ongoing gains by continuously removing small inefficiencies across processes.
For organizations developing a lean manufacturing strategy, the objective is clear. Focus on activities that add value, eliminate those that do not, and build systems that make waste easier to identify and remove over time.
What’s the Solution to Waste?
Businesses can assess their issues through an audit, either by themselves or through a third party like an MSP.
Once you’ve identified the waste issues that are holding your operations back, it’s time to put in place digital solutions that can help you address them.
Enterprise resource planning systems
An ERP is a must for manufacturing businesses. ERPs are systems that unify data across a business, and can cover a wide range of areas, such as:
- Inventory and supply chain
- Automated reports
- Project management
- Human resource functions
- Sales and marketing
The amount of data in the world, and by extension in businesses, is truly staggering, but what if you’re not using that data?
Over the last two years alone, 90% of the data in the world was generated.
Well, to put it bluntly, the organization as a whole suffers. The key characteristic of a modern ERP platform is its ability to examine big data sets automatically and provide you with actionable data.
For manufacturers, this is crucial for understanding weaknesses and fixing them, creating leaner operations.
For more information about how businesses can use analytics with ERPs to streamline their supply chains, click the related post below and see what the frontrunners are doing to cut waste and implement leaner operations.
Customer Relationship Management
CRMs can come either standalone or as a module of an ERP system. Similarly, they use data sets—but relating solely to clients.
Your CRM will be able to give you actionable data on addressing customer satisfaction with your service and product.
By keeping your customer data all in one place and using the tool for analysis, you’re able to better understand what your customers like and dislike and change your service accordingly.
It’ll also give you opportunities to identify upselling and retargeting opportunities within your consumer base, amongst other things.
Wrapping Up on Lean Manufacturing
If you came here asking, "What is lean manufacturing?", we hope this blog post gave you an understanding of what it is, how it's deployed by organizations, and why it's important for manufacturers today.
Lean manufacturing is a term that has been used around the United States since the late 20th century, and it’s as important today as it ever was—just in a very different context.
The principles of cutting waste, improving processes, and streamlining manufacturing operations are hardly new, but the tools with which to achieve these goals are today more viable for SMBs than they have ever been.
There’s a reason organizations across the country are implementing cloud ERP systems and similar modules on a large scale; it’s to take advantage of the wealth of data that companies have at their disposal and to use that data to drive meaningful change.
If you’re taking a look at the list of wastes and any of them are ringing true, it’s definitely time to think about getting the correct solutions in place so that you can address the issues head-on, creating a leaner manufacturing operation that will reduce expenditure and maximize productivity.
Learn more about protecting your facilities, your people, and your data in Impact’s webinar, Keys to Cybersecurity in Manufacturing: Prevent Downtime, Stop Threats.
