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Automotive Components

Aug 26 , 2025

Technical Cleanliness Inspection Application in the Automotive Industry

 

Technical cleanliness inspection is a core element in ensuring product quality, reliability, and safety in the automotive industry. Its application spans the entire process, from component production and vehicle assembly to critical system operation and after-sales maintenance. This is reflected in the following aspects:

 

1. Sources and Hazards of Contaminants

1.1. Quality Control in Core Component Production

Core automotive components (such as engine blocks, pistons, transmission gears, fuel injectors, and bearings) require extremely high cleanliness standards. Impurities such as metal debris, oil, and abrasive particles remaining on or within the components can lead to:

- Accelerated wear of components after assembly (e.g., debris between gears causing misalignment);

- Seizing of precision components (e.g., clogged fuel injectors leading to poor fuel atomization and affecting engine performance);

- Seal failure (e.g., impurities in hydraulic system components damaging sealing surfaces and causing leaks).

Therefore, component cleanliness testing (e.g., flushing, filtration weighing, and particle counting) is essential during component production to ensure that impurity size and quantity meet industry standards (e.g., ISO 16232 and VDA 19) to eliminate defects at the source.

 

1.2 Ensuring the Reliability of Key Systems

The technical cleanliness of key systems such as a vehicle's fuel system, lubrication system, braking system, and steering system directly impacts their operational safety:

- Fuel system: Impurities can clog fuel filters and injectors, leading to reduced engine power, unstable idling, or even stalling;

- Lubrication system: Particles in the engine oil can exacerbate internal engine wear and shorten service life;

- Braking system: Impurities in the brake lines or calipers can cause brake lag, unusual noise, and, in severe cases, brake failure;

- Electronic systems: Oil or dust contamination in sensors and wiring harness connectors can cause signal transmission failures, impacting functions like autonomous driving and ABS.

By monitoring the technical cleanliness practices of these system components and media (fuel, oil, brake fluid), systemic failures can be avoided.

 

1.3 Pollution Prevention and Control During the Vehicle Assembly Process

The vehicle assembly process involves the assembly of thousands of parts, and the technical cleanliness inspection management must cover:

- Assembly Environment: Workshop air cleanliness (e.g., dust level) and work surface cleanliness to prevent dust and fibers from entering the vehicle body or components;

- Assembly Tools: Oily or metal shavings on tools such as wrenches and clamps can contaminate components during operation;

- Logistics: Damaged packaging during component transportation and storage can easily introduce contaminants (e.g., rainwater and mud).

Testing of technical cleanliness (e.g., spot checks of pre-assembly parts and regular monitoring of ambient particle concentrations) can prevent secondary contamination and ensure stable vehicle performance after assembly.

 

2. Applications of JYBO CleanTech Cleanliness Testing Equipment in Automotive Components

2.1 JYBO CleanTech Technical Cleanliness Cabinets can use various component extraction methods, including pressure rinsing, ultrasonics, perfusion rinsing, shaking, and air blowing. Different extraction methods can be selected based on the specific component. For small parts, ultrasound can be used to effectively extract contaminant particles; for larger parts, pressure rinsing can more effectively separate contaminants from the parts; and for parts with internal structure, perfusion rinsing can be highly effective.

Agitation cleaning also plays a significant role. The required configuration for the agitation step depends on the shape, size, and weight of the components. This method is suitable for parts with recessed cavities, at least one opening, and whose size and weight ensure sufficient agitation of the liquid in the test area. However, this method is not suitable for parts with confined internal structures.

 

 

2.2 The JYBO CleanTech Automatic (Motorized) Particle Analysis System features highly automated functions, enabling precise identification and analysis of various contaminants in samples. The device automatically distinguishes and analyzes different types of contaminants, including metallic particles, non-metallic particles, and fibers, accurately determining not only particle size but also particle count. Furthermore, the instrument features a one-click cleanliness test report generation function, significantly improving test efficiency and accuracy. With simple operation, users can obtain a detailed cleanliness test report, providing a strong guarantee for product quality control.

 

2.3 The automotive industry has established strict standards for technical cleanliness inspection (such as the international standard ISO 16232 and the German VDA 19). Products that meet high cleanliness standards not only reduce after-sales failure rates (such as reducing warranty claims due to impurities), but also enhance brand reputation and market competitiveness. JYBO CleanTech technical cleanliness inspection system is certified by international standards and complies with the requirements of VDA19 and ISO16232 and is strictly implemented.

 

In summary, technical cleanliness inspection and analysis is not an isolated quality indicator in the automotive industry, but a core control factor throughout the entire industry chain, directly related to the performance and safety of the vehicle, as well as the company's production efficiency and market reputation.

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