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Product Quality Management

A quality control target
Is to ensure product quality to meet customer, regulatory and other aspects of the quality requirements such as suitability, reliability, security.
 
The scope of the quality control
Involving all aspects of product quality formation of the whole process of the design process, procurement process, the production process, the installation process.
 
Quality control of work content
Including the operations and activities, that is, including both technical and management techniques two aspects. Around all aspects of the formation of the whole process of product quality, machine, material, method, ring five factors control impact the quality of work, and the results of quality activities phased validation, in order to promptly identify problems and take appropriate measures to prevent failed to repeat itself, as much as possible to reduce losses. Therefore, quality control should implement precautionary principle of combining the main and inspection checks. Have to do? Why did? How to do it? Who did that? When did? Where did? Make provision for and the actual quality of activity was monitored.
 

 
Methods of quality control

To determine what type of test method should be used in a quality control point. The test method is divided into: the counting test and measurement test.

Count test
Is the number of defects, the failure rate and discrete variables tested;

Metrology and Inspection
Is the measurement of length, height, weight, strength, and continuous variables. Quality control in the production process should also consider what type of control chart problem: discrete variable with the count control chart for continuous variables using the measurement control charts.
 

Quality control of seven steps lead
Select the control object;

Select the quality characteristics need to be monitored;
 
determine the specifications, detailed description of the quality characteristics;
 
selected an accurate measure of this feature is worth monitoring instrument, or self-testing means;
 
the actual test and make the data record;
 
analysis of the actual reasons for the differences between the specifications;
 
take the appropriate corrective measures.