Quality Monitoring Systems
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Quality can be very subjective, what one person thinks is good quality will differ from what another person believes. When you design, product quality refers to Its ability to meet the need or its fitness for purpose. In manufacturing it is about the production of a product so that it is the best it can be, fully functional and free from any defects.
Quality Assurance
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Quality Assurance are the processes and planned activities that are put in place to make sure that a product will be made to a high standard. This would include selection and purchase of materials, training of staff and ways of working. Good quality assurance commences at the design stage and follows through the developmental stage, manufacture, end use and includes, to some extent, some customer satisfaction. QA is the complete process but designed to ensure that the product fulfils all its requirements.It is a crucial element in the manufacturing process. In order to ensure that the product meets the client’s specifications, a quality assurance system is essential.It plays a role in all aspects of the manufacturing process from the incoming inspection all the way to the delivery.Below is a model of QA that shows how the manufacture of of components at DSW Industry Co.,Ltd who are committed to quality. They utilise a quality assurance system that identifies any potential issues and enables a close monitoring of the product process – from components inspection to final assembly testing. Their manufacturing facility has passed various quality certifications, thereby attesting to a flawless quality assurance system and ensuring a better overall production quality.If we look at the Process assembly aspect we can see that the control system (for an automated line) is maintained to a high standard by regularly auditing the process. They produce a quality daily report to identify any changes in quality and the disposition measurement report will identify any changes in sizes that could identify if the product is heading out of tolerance. There is also an abnormality report that would notify anything that is abnormal in the process.
Quality Control
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Quality control is something you do after a product has been made to make sure the product has been made correctly. This means using tests to find out how well it meets certain criteria. Quality control supports the quality assurance process and is used to set up ways of checking quality against the required customer standards or to see the items have been made within set tolerances. This is done using an inspection team who look at specific standards in products to ensure the items meet these standards. These inspections take place at various stages during manufacture (pre-identified) as well as after the final item has been assembled. The inspections will depend upon the type of product and number of products that are being manufactured and could be carried out on all, or a sample of the products:
- 100% inspection: where all the units in the lot, or batch, are inspected
- normal inspection: using a sampling plan.
- Reduced inspection: using a sampling plan requiring smaller sample sizes than those used in normal inspection. Reduced inspection is used in some inspection systems as an economy measure when the level of submitted quality is sufficiently good.
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Inspection checks can be carried out in a variety of ways which include:
- simple visual checks
- flammability tests
- weight checks
- accuracy of dimensions
- detailed data comparisons
- safety checks
- electronic circuit checks
- tasting
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Computer aided inspection is possible by using a coordinate measuring machine (CMM) four dimensional measuring. A CMM is a mechanical system designed to move a measuring probe to determine the coordinates of points on the surface of the workpiece. These machines are used to quickly and accurately measure the sizes and positions of features on mechanical parts, with tolerances as small as 0.0025 mm. Laser scanning systems are often used that can determine the coordinates of many thousands of points. This data can then be taken and used to not only check the size and position, but also to create a 3-D model part using a CAD system. In the image to the left a CMM probe (coming down from above) is plotting the internal shape and size of a manifold (orange) that will then be compared with the specified data to see if it is within tolerance or not.
TQM
TQM is a set of management practices throughout the organisation, geared to ensure the organisation consistently meets or exceeds customer requirements. TQM places strong focus on process measurement and controls as means of continuous improvement.
topic.
7 Important Principles of Total Quality ManagementTotal Quality Management (TQM) is an approach that organizations use to improve their internal processes and increase customer satisfaction. When it is properly implemented, this style of management can lead to decreased costs related to corrective or preventative maintenance, better overall performance, and an increased number of happy and loyal customers.
However, TQM is not something that happens overnight. While there are a number of software solutions that will help organizations quickly start to implement a quality management system, there are some underlying philosophies that the company must integrate throughout every department of the company and at every level of management. Whatever other resources you use, you should adopt these seven important principles of Total Quality Management as a foundation for all your activities.
1. Quality can and must be managedMany companies have wallowed in a repetitive cycle of chaos and customer complaints. They believe that their operations are simply too large to effectively manage the level of quality. The first step in the TQM process, then, is to realize there is a problem and that it can be controlled.
2. Processes, not people, are the problemIf your process is causing problems, it won’t matter how many times you hire new employees or how many training sessions you put them through. Correct the process and then train your people on these new procedures.
3. Don’t treat symptoms, look for the cureIf you just patch over the underlying problems in the process, you will never be able to fully reach your potential. If, for example, your shipping department is falling behind, you may find that it is because of holdups in manufacturing. Go for the source to correct the problem.
4. Every employee is responsible for qualityEveryone in the company, from the workers on the line to the upper management, must realize that they have an important part to play in ensuring high levels of quality in their products and services. Everyone has a customer to delight, and they must all step up and take responsibility for them.
5. Quality must be measurableA quality management system is only effective when you can quantify the results. You need to see how the process is implemented and if it is having the desired effect. This will help you set your goals for the future and ensure that every department is working toward the same result.
6. Quality improvements must be continuousTotal Quality Management is not something that can be done once and then forgotten. It’s not a management “phase” that will end after a problem has been corrected. Real improvements must occur frequently and continually in order to increase customer satisfaction and loyalty.
7. Quality is a long-term investmentQuality management is not a quick fix. You can purchase QMS software that will help you get things started, but you should understand that real results won’t occur immediately. TQM is a long-term investment, and it is designed to help you find long-term success.
Before you start looking for any kind of quality management software, it is important to make sure you are capable of implementing these fundamental principles throughout the company. This kind of management style can be a huge culture change in some companies, and sometimes the shift can come with some growing pains, but if you build on a foundation of quality principles, you will be equipped to make this change and start working toward real long-term success.
topic.
7 Important Principles of Total Quality ManagementTotal Quality Management (TQM) is an approach that organizations use to improve their internal processes and increase customer satisfaction. When it is properly implemented, this style of management can lead to decreased costs related to corrective or preventative maintenance, better overall performance, and an increased number of happy and loyal customers.
However, TQM is not something that happens overnight. While there are a number of software solutions that will help organizations quickly start to implement a quality management system, there are some underlying philosophies that the company must integrate throughout every department of the company and at every level of management. Whatever other resources you use, you should adopt these seven important principles of Total Quality Management as a foundation for all your activities.
1. Quality can and must be managedMany companies have wallowed in a repetitive cycle of chaos and customer complaints. They believe that their operations are simply too large to effectively manage the level of quality. The first step in the TQM process, then, is to realize there is a problem and that it can be controlled.
2. Processes, not people, are the problemIf your process is causing problems, it won’t matter how many times you hire new employees or how many training sessions you put them through. Correct the process and then train your people on these new procedures.
3. Don’t treat symptoms, look for the cureIf you just patch over the underlying problems in the process, you will never be able to fully reach your potential. If, for example, your shipping department is falling behind, you may find that it is because of holdups in manufacturing. Go for the source to correct the problem.
4. Every employee is responsible for qualityEveryone in the company, from the workers on the line to the upper management, must realize that they have an important part to play in ensuring high levels of quality in their products and services. Everyone has a customer to delight, and they must all step up and take responsibility for them.
5. Quality must be measurableA quality management system is only effective when you can quantify the results. You need to see how the process is implemented and if it is having the desired effect. This will help you set your goals for the future and ensure that every department is working toward the same result.
6. Quality improvements must be continuousTotal Quality Management is not something that can be done once and then forgotten. It’s not a management “phase” that will end after a problem has been corrected. Real improvements must occur frequently and continually in order to increase customer satisfaction and loyalty.
7. Quality is a long-term investmentQuality management is not a quick fix. You can purchase QMS software that will help you get things started, but you should understand that real results won’t occur immediately. TQM is a long-term investment, and it is designed to help you find long-term success.
Before you start looking for any kind of quality management software, it is important to make sure you are capable of implementing these fundamental principles throughout the company. This kind of management style can be a huge culture change in some companies, and sometimes the shift can come with some growing pains, but if you build on a foundation of quality principles, you will be equipped to make this change and start working toward real long-term success.