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What problems can the CPK test reflect on the pick and place machine?

2023-07-12

Latest company news about What problems can the CPK test reflect on the pick and place machine?

CPK is an indicator used to measure quality control, usually used to evaluate the stability and capability of the quality process. In the production process of the pick and place machine, the CPK value can reflect the mounting accuracy and stability of the pick and place machine, as well as possible problems in the production process.

 

The CPK value is jointly determined by the mean and standard deviation. The higher the CPK value, the more stable the quality process and the higher the quality of the produced product. Conversely, if the CPK value is low, it indicates that the quality process is unstable, and there may be problems with the quality of the produced products.

 

In the production process of the pick and place machine, the CPK value can reflect the following problems:

1.Component mounting accuracy

If the mounting position of the components is not accurate, it may lead to a lower CPK value, indicating that the mounting accuracy is not high enough and needs to be adjusted and improved.

 

2.Mount head height and pressure

The height and pressure of the mounting head will affect the mounting accuracy and stability of the components. If the height or pressure of the mounting head is not suitable for the components, it may lead to a lower CPK value, which needs to be adjusted and improved.

 

3.Pick and place machine setting parameters

The setting parameters of the pick and place machine, such as mounting speed, acceleration, residence time and other parameters, will have an impact on mounting accuracy and stability. If these parameters are not set properly, it may lead to lower CPK values, which need to be adjusted and improved.

 

4.Component quality

The quality of components also affects mounting accuracy and stability. If the quality of the components is not good, it may lead to a lower CPK value, and the damaged components need to be replaced or repaired in time.

 

When the CPK of the pick and place machine is low, it needs to be analyzed and improved, such as analyzing the mounting position of components, adjusting the height and pressure of the mounting head, checking the setting parameters of the pick and place machine, checking the quality of components, and regularly calibrating the pick and place machine a series of questions.

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