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How To Reduce Rework Rate in PCBA?

Aug 12, 2024

PCBA processing rework rate is often plagued by the problem of high manufacturers, not only increases the production cost, but also affects the product delivery cycle.

I. Optimize the design process

In PCBA processing, the optimization of the design phase is critical to reducing rework.

1. Design standardization

Follow the design specifications to ensure that the layout of the circuit board is reasonable, to avoid design errors.

2. DFM (Design for Manufacturability)

Consider the feasibility of manufacturing in the design phase to reduce unnecessary complexity and improve productivity.

3. Simulation and Testing

Utilize simulation tools to verify the design, identify and solve potential problems in advance to avoid design defects in production.

II. Strict component selection

Component selection directly affects the quality of PCBA processing.

1. High-quality components

Choose high-quality components that have been certified and tested to ensure their reliability under various conditions.

2. Supplier management

Select reputable suppliers, establish a stable supply chain to ensure the quality of components and timely delivery.

3. Batch testing

Conduct sample testing before purchasing components in bulk to ensure that their performance meets the design requirements.

III. Optimize the production process

Optimization of the production process is to reduce the PCBA processing rework rate of the key, specific measures include:

1. Automated production

The use of automated production equipment, such as automatic chip mounter and wave soldering machine, to reduce errors in manual operation.

2. Process parameter optimization

According to the characteristics of different components and circuit boards, optimize the welding temperature, time and other process parameters to ensure welding quality.

3. Environmental control

Control the temperature, humidity and static electricity of the production environment to reduce the impact of environmental factors on production quality.

IV. Strict quality control

In PCBA processing, strict quality control is an important means of reducing rework rate:

1. Feed inspection

Strict inspection of all incoming components and materials to ensure that they meet quality standards.

2. On-line inspection

During the production process, on-line inspection is carried out using techniques such as SMT AOI equipment and SPI equipment to detect and correct problems in a timely manner.

3. Functional testing

Functional testing is carried out after the products are assembled to ensure that all functions are normal and to avoid rework after leaving the factory.

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Owned the own machining center, skilled assembler, tester and QC engineers, to ensure the strong abilities for NeoDen machines manufacturing, quality and delivery.

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3 different R&D teams with total 25+ professional R&D engineers, to ensure the better and more advanced developments and new innovation.

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