Do you want to improve your company’s productivity and stay competitive in your market? Are you trying to improve customer response time for one of your critical processes? Six Sigma will make it happen. This methodology is an integral part of operational excellence and continuous improvement approaches to management. Its goal is to improve process performance by implementing a systemic approach to eliminating waste.
This approach is currently used in many sectors, including manufacturing, healthcare, finance, municipal governments, and various types of service business. Six Sigma can be used to accomplish various goals, including improving customer satisfaction, reducing costs and increasing profits.
The Six Sigma method gives your company the ability to measure, analyze, improve and control every stage of the manufacturing process. Let’s take a closer look.
What exactly is Six Sigma?
Six Sigma is a quality management approach designed to improve process performance by reducing variation and eliminating defects or errors.
The methodology relies on using a structured, data-driven statistical approach to identify and eliminate the causes of problems in order to achieve a level of quality close to perfection, i.e. a defect rate of around 3.4 failures per million opportunities.
The term “Six Sigma” refers to the standard deviation, or sigma (σ), which is a measure of the dispersion of the data values around the mean in a process. The goals is to ensure that 99.99966% of products generated by the process are free from defects.
The 6 principles of Six Sigma
The Six Sigma approach is primarily customer-oriented and data-driven. It is based on six very distinct principles.
1. Customer focus
Six Sigma focuses on customer satisfaction by putting an emphasis on proactively identifying and responding to customer needs and expectations. Six Sigma projects are often aligned with satisfaction objectives, and aim to improve product or service quality to increase overall customer satisfaction.
2. Driven by facts and data
The choices made in Six Sigma projects are based on concrete data and facts, rather than intuition. Companies seeking to implement this method need to analyze and interpret data in order to understand processes, identify causes of variation and make informed decisions.
3. Manage processes
Six Sigma emphasizes the importance of processes in achieving quality and efficiency. This means that it’s important to clearly identify the various systems that are operating within your company, so you can measure and optimize them.
4. Continuous improvement
Choosing to integrate this method into your processes will not bring change overnight. Managers will need to adopt continuous improvement at every level of their company. This approach demands that you define objectives and monitor your performance levels in order to create a cycle of improvement.
5. A genuine internal commitment
For Six Sigma to succeed, all company stakeholders must be involved in the project, especially at the management level. Management will be tasked with giving meaning to the changes taking place, and reassuring the teams. This means being present, communicating and sharing resources.
6. A structured method
Wanting to optimize your manufacturing processes and improve your company’s manufacturing quality is not enough. The Six Sigma methodology comprises five distinct stages that must be implemented. These are known as DMAIC, for projects focused on improvement, and DMADV for projects focused on creating a new product or designing a new process.
The 5 steps of the Six Sigma methodology
As discussed above, the aim of the Six Sigma method is to achieve near-perfect quality. There are two methods for implementing this approach, depending on the situation: the DMAIC process and the DMADV process.
DMAIC process
This method is the most widely used to help companies improve existing processes. Let’s take a look at what it involves.
Define.
In this first step, you need to focus on the customer. Put yourself in their shoes and identify what they want, what their problems are, and what you need to achieve to satisfy them.
Once you are familiar with customer expectations, you can map out your entire production system to gain a detailed understanding of the big picture.
Measure.
At this stage, you need to begin to collect data with which to formulate SMART objectives so you can verify changes in customer satisfaction.
Now is the time to integrate tools to measure your performance by identifying variation factors and key performance indicators (KPIs).
Analyse.
Now you have data that you can use to analyze and measure your performance. To do this effectively, it is necessary to identify all variables that influence your process.
Ask yourself whether your current process is efficient and whether it allows you to achieve your defined objectives. Then identify the root causes that prevent your process from achieving the desired goals.
Improve.
This is the stage where you determine how to improve your processes.
First, identify the links between all elements of your manufacturing processes. Correct individual issues, update your mapping and do live tests, always measuring and analyzing the evolution of your performance.
Control.
Once you have achieved an acceptable level of performance, apply the methods you have refined to your processes and do whatever is necessary to maintain these levels over time. Monitor your company’s overall performance and commit to continuous improvement. Steps may be repeated to further optimize performance.
DMADV process
The DMADV method is used to improve processes related to designing a new product, service or process. For example, it could be used to implement a new ERP or CRM system. The first three elements are similar to those used in the DMAIC method, but the final two steps are different.
Define.
This stage involves clearly defining project objectives, customer requirements and success criteria for the new product or process being developed. It involves understanding market needs and stakeholder expectations.
Measure.
Once you have defined your goals, you can begin gathering data on current process performance or on competing products. The aim is to assess key requirements and characteristics of the new product or process.
Analyse.
During this stage, collected data is analyzed to identify trends, patterns and opportunities for improvement. The goal is to understand the root causes of potential problems and find innovative solutions to resolve them.
Design.
Once you have a clear understanding of product or process requirements, it is time to design an optimum solution to meet customer needs. This could involve developing new products, designing new processes or modifying existing systems.
Validate.
In this last stage, the proposed solution is validated through trials, simulations or pilot tests to confirm that it meets customer expectations and project requirements. Continue to make adjustments as needed.
The benefits of Six Sigma
The primary objective of the Six Sigma methodology is to optimize your company’s performance by improving production quality to reduce the number of defective parts and avoid wasting resources.
By focusing on the customer, you can prioritize decisions and carry out tasks that are truly aimed at satisfying your users, which will in turn increase your profits.
Six Sigma promotes a results-oriented management culture through continuous measurement and a commitment to maintaining performance over time.
Improve your processes with GCM Consultants
The Six Sigma methodology is a complex approach for optimizing a company’s performance. It is based on concepts of continuous improvement and operational excellence, in addition to elements of lean management. In fact, the similar Lean Six Sigma methodology combines these two approaches.
If you’re looking for project management consultants who can focus on continuous improvement to optimize your internal projects, trust the expertise of GCM Consultants. Feel free to contact us via our online form or at 514-351-8350. For more project management advice, check out our useful info here.