APQP (Advanced Product Quality Planning), which is an advanced product quality plan, is a structured method used to determine and formulate the steps required to ensure that a product satisfies the customer.
The goal of product quality planning is to promote contact with everyone involved to ensure that the required steps are completed on time. Effective product quality planning relies on the company's senior management's commitment to strive to achieve customer satisfaction.
Product quality planning has the following benefits:
Guide resources to satisfy customers
Promote early identification of required changes;
Avoid late changes;
Provide quality products at the lowest cost in time.
PPAP (Production part approval process) is a production part approval procedure, which is a control program for production parts and a management method for quality.
PPAP production parts submission guarantee: mainly production part size inspection report, appearance inspection report, function inspection report, material inspection report, plus some parts control methods and supplier control methods;
Manufacturing companies require suppliers to submit PPAP documents and first articles when submitting products. They can only submit PPAP files when they are all qualified; they must submit reports after the project changes.
SPC (Statistical Process Control) is the statistical process control, which mainly refers to the application of statistical analysis technology to timely monitor the production process, scientifically distinguish the random fluctuations and abnormal fluctuations of the product quality in the production process, so as to give an early warning to the abnormal trend of the production process in order to produce Management personnel take timely measures to eliminate abnormalities and restore the stability of the process so as to achieve the purpose of improving and controlling quality.
SPC is very suitable for repetitive production processes, it can help organizations to make a reliable assessment of the process, determine the process of statistical control limits to determine whether the process is out of control and process is capable; provide an early warning system for the process, timely monitoring of the process In order to prevent the production of waste products and reduce the dependence on routine inspections, regular observations and systematic measurement methods are used instead of extensive testing and verification.
SPC implementation significance:
Can make enterprises: reduce costs; reduce bad rates, reduce rework and waste; improve labor productivity; provide core competitiveness; win a wide range of customers.
Implement two phases of SPC:
Analysis stage: The use of control charts, histograms, process capability analysis, etc. to make the process in a statistical steady state, making the process sufficient.
Monitoring stage: Use control charts and other monitoring processes.
The role of SPC:
1 Ensure that the process continues to be stable and predictable.
2 Improve product quality, production capacity and reduce costs.
3 Provide the basis for process analysis.
4 Distinguish between the special causes of variation and common causes as a guide for taking local measures or taking measures against the system.
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