Six Sigma is a philosophy of doing business by focusing to eliminate defects, reducing waste and increasing speed. Six Sigma tools are used to improve processes in all the departments like Sales, Marketing, Production, Administration, and so on. It helps to give a quality performance by understanding customer requirements and improvement in products and process, using internal resources.
Lean manufacturing allows value addition to business by reorganizing operations, reducing inventory, reducing floor space requirements and reducing waste. For manufacturing companies, the combination of Lean and Six Sigma provides the tool needed to meet high demand with superior quality product in minimum possible time.
This combination focuses on continuous improvement resulting in a steady flow of benefits. It initiates organizations to do better things, innovate and benefit from cost reduction, inventory reduction, shorter cycle times and greater flexibility. It facilitates immediate response to customer demands.
To succeed, companies should start with the basics. Without the knowledge and use of the basics, the companies can hardly dream of attaining full growth and maximizing profits.
The eight basics of Lean Six Sigma for manufacturing firms that all managers should know are as follows:
1. Information Accuracy: Any system is bound to fail if it is based on inaccurate data and inappropriate documentation. Upper management will become disillusioned with the implementation if the results that are expected are not achieved.
2. Performance Management: A balanced scorecard is often successful in motivating key employees to perform. Individual goal setting provides little or no contribution to the growth of the organization.
3. Continuous Production Lines: Using the simple technique of sequential production, organizations can make timely deliveries and gain substantial profit margins.
4. Production point Logistics: Cutting down existing inventory and making an attempt to move production parts and components to their point of use can prove to be substantial cost savers.
5. Shorter cycle times: By eliminating waste in production, companies are able to manufacture goods quickly. Long cycle times lead to high non-value added costs.
6. Smooth schedules and linear production: Many companies sabotage their own profit margins due to delays in production scheduling. Maintaining constant emphasis on the achievement of daily targets is necessary. It will create awareness among the team of how critical it is to execute timely production planning details.
Managers have to use their skill to ensure successful linear production.
7. Resource Planning: Timely planning with the appropriate workforce size is necessary. By adopting a lean approach, market share can go up due to improvements in quality and lead time.
By reallocating employees onto other avenues rather than laying them off due to efficient processes, staff will become more confident in the organization.
8. Customer Satisfaction: Customer Satisfaction has to be grounded in reality, and cannot simply be perception-based. All communication regarding actual quality of products and expectations should flow directly from customers.
Companies will achieve profitable growth by following these basics. Once the areas of improvement are identified, planning and implementation need to be aggressively pursued. This will form a good groundwork for future planning and profitable growth.
Six Sigma Lean Manufacturing
Among many, the two methodologies that are most commonly used include the DMAIC and the DMADV methodologies. For better understanding, we'll compare these two methodologies.
The DMAIC Six Sigma Methodology
Starting with DMAIC Six Sigma methodology, the first thing you need to know is that it stands for Define, Measure, Analyze, Improve and Control. These terms are nothing but the different stages of the DMAIC process - in that particular order.
Before you delve deeper into the various stages, you also need to know that the DMAIC process deals exclusively with business processes that are already there. It does not cater to business processes that are in the design and development phase.
Moving along to the various stages of the DMAIC process, you need to know that the first stage (i.e., the Define stage) deals with the identification of problems that might be affecting the efficiency of the targeted business process. In the second phase, the Measure stage, the overall affect of each of the identified problems is measured; based on which they are classified into different categories, ranging from the most severe of problems to the least severe.
After this comes the Analyze stage, where the most severe of identified problems are analyzed in detail so as to devise effective solutions that can take care of those problems. The solutions so devised are implemented in the Improve stage and their effects are studied in the last stage - the Control stage.
If the results are satisfactory, the process ends there; but if not, it is referred back to the start of the DMAIC process (i.e., the Define stage).
The DMADV Six Sigma Methodology
The DMADV Six Sigma methodology stands for Define, Measure, Analyze, Design and Verify. The first thing you need to know about this methodology is that it deals exclusively with the design and development of completely new products or services.
The first three stages are basically the same as DMAIC, with the only difference that here process related problems get replaced by customer needs, requirements and expectations. So, after customer needs and requirements have been properly ascertained during the first three stages, the same are integrated into the basic design of the targeted product or service in the fourth stage, the Design stage.
After this comes the Verify stage, in which actual results are compared to set standards. Here also the process ends if results are satisfactory, but if not, it is referred back either to the DMADV process or to the DMAIC process, depending on the situation.
By now, you should have developed a basic understanding of the two most commonly used Six Sigma methodologies. However, there's plenty more to these two methodologies; and as such, you may have to learn a lot more, especially if you are planning to make a career in Six Sigma quality management.
Tony Jacowski has sinced written about articles on various topics from University, Six Sigma and Information Technology. Tony Jacowski is a quality analyst for The MBA Journal. Aveta Solution's Six Sigma Online offers online six sigma training and certification classes for six sigma pro. Tony Jacowski's top article generates over 90500 views. Bookmark Tony Jacowski to your Favourites.
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