Printed circuit boards and their assemblies (PCB & PCBA) are the core components of electronic products, and their reliability directly determines the overall reliability of electronic products. To ensure and enhance the quality and reliability of electronic products, it is essential to carry out comprehensive physical and chemical analyses of failures, identify the underlying failure mechanisms, and then propose corresponding improvement measures. MTT possesses profound technical expertise in board-level failure analysis, a complete range of analytical methods, a vast database of case studies, and a team of experienced experts, providing you with high-quality and efficient failure analysis services.
The purpose of electronic component failure analysis is to employ a variety of testing and analytical techniques and procedures to identify the failure phenomena of electronic components, determine their failure modes and mechanisms, identify the ultimate root cause of failure, and propose recommendations for improvements in design and manufacturing processes. This helps prevent the recurrence of failures and improves the overall reliability of the components.
The continuous rise in complexity and performance requirements of integrated circuits, combined with potential risks across design, manufacturing, packaging, and application stages, has led to frequent occurrences of critical failure modes such as short circuits, open circuits, leakage, burnout, and parameter drift. These issues not only result in costly device scrapping and system downtime but also often trigger disputes over responsibility among designers, foundries, packaging and testing houses, and end-users, causing significant economic losses and reputational risks.
The performance requirements for polymer materials continue to rise, while differences in understanding of high-demand products and processes between customers and suppliers often lead to frequent failures such as fracture, cracking, corrosion, and discoloration. These failures frequently cause disputes over responsibility and result in significant economic losses.
The increasingly harsh service environments of metal components place higher demands on material performance and structural reliability. However, factors such as design flaws, material defects, manufacturing deviations, or improper use can readily trigger typical failures including fatigue fracture, stress corrosion cracking, hydrogen embrittlement, creep, wear, and overload deformation.
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Meixin Testing leverages its technological edge in constructing massive failure databases, showcasing its capabilities through comprehensive case studies, solutions for complex scenarios, partnerships with leading enterprises, and systematic intellectual property. Drawing on millions of failure analyses, it delivers precise insights into root causes, enabling inspection reports to provide robust support for clients' quality upgrades and achieve zero failures.
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Stay updated with the latest news from Maxin Testing, including technical developments, exhibitions, and events. We build on a foundation of professional testing to deliver customized solutions for our clients, ensuring quality control from the source. This empowers our clients to stand out in the marketplace and achieve commercial success.
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Maxin Testing is a nationally accredited commercial third-party laboratory. We specialize in providing testing services, technical consulting services, and solution services to clients across industries including electronics manufacturing, automotive electronics, semiconductors, and aerospace materials.
Maxin Testing operates laboratory facilities in Shenzhen, Suzhou, and Beijing, featuring multidisciplinary testing and analytical laboratories. The company pioneers an industrial hospital service model grounded in materials science engineering and electronic reliability engineering.
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Terminal Mechanical Performance Testing

MTT provides professional terminal testing, covering key projects such as insertion and extraction force cycling, terminal bending strength, micro motion wear, etc. It simulates real vehicle operating conditions with high-precision equipment to ensure reliable connections of millions of terminals, safeguarding driving safety and zero functional failures.

Terminal Mechanical Performance Testing

| Project Overview

 

The terminal mechanical performance testing program is a critical step for comprehensively evaluating the mechanical properties of terminal components within connectors. As the core components responsible for achieving electrical connectivity within connectors, the mechanical performance of terminals directly affects the overall performance and reliability of the connector. This project employs a series of scientific and systematic testing methods to evaluate critical mechanical properties of terminals, including anti-mistake structures, bending resistance, cyclic durability, mating–separating force, and flexural strength, thereby ensuring that terminals meet both design specifications and practical application requirements.

 

 

| Test Items and Objectives

 

 

测试项目

Test Item

设备

Device

目的

Purpose

1

端子孔防错结构测试

Terminal Hole Anti-Mistake Structure Test

插拔力试验机

Insertion–Withdrawal Force Tester

验证端子孔防错结构的设计有效性,确保端子在未按照设计方向插入时无法插入,从而避免错误连接,提高连接器的使用安全性和可靠性。

Validate the design effectiveness of the terminal hole anti-mistake structure, ensuring that the terminal cannot be inserted when misaligned from the designated orientation, thereby preventing incorrect connections and enhancing the safety and reliability of the connector.

2

端子弯曲阻力测试

Terminal Bending Resistance Test

插拔力试验机

Insertion–Withdrawal Force Tester

测量端子在受到弯曲力作用时的抵抗力,评估其机械强度和耐久性。通过模拟端子在实际使用中可能遇到的弯曲情况,确保端子在正常使用过程中不会因弯曲而损坏或失效。

Measure the resistance of the terminal when subjected to bending force to evaluate its mechanical strength and durability. By simulating potential bending conditions encountered during actual use, ensure that the terminal will not be damaged or fail due to bending under normal operating conditions.

3

连接器-端子循环测试

Connector–Terminal Cyclic Test

标准光源箱

Standard light source box

模拟连接器在实际使用中的端子插入和拔出循环,评估端子系统的稳定性和耐久性。通过多次循环测试,确保端子在长期使用过程中不会出现松动、脱落或变形等问题。

Simulate repeated insertion and withdrawal cycles of the terminal in a connector during actual use, evaluating the stability and durability of the terminal system. Through multiple cycle tests, ensure that terminals do not loosen, detach, or deform during long-term use.

4

端子结合-分离力测试

Terminal Mating–Separating Force Test

插拔力试验机

Insertion–Withdrawal Force Tester

测量端子在结合和分离过程中所需的力,评估其插拔性能和机械稳定性。通过精确测量结合力和分离力,确保端子能够顺畅地插入和拔出,且在使用过程中不会发生意外脱落。

Measure the force required during the mating and separating processes of the terminal to evaluate its insertion–withdrawal performance and mechanical stability. By precisely measuring the mating and separating forces, ensure that terminals can be smoothly inserted and withdrawn without accidental detachment during use.

5

端子抗弯力测试

Terminal Flexural Strength Test

插拔力试验机

Insertion–Withdrawal Force Tester

评估端子在受到弯曲力作用时的抗变形能力。通过施加不同大小的弯曲力,观察端子的变形情况,确保其在受到外力作用时不会发生过度弯曲或损坏,从而保障连接器的电气性能和机械稳定性。

Evaluate the terminal’s resistance to deformation when subjected to bending forces. By applying varying levels of bending force and observing the deformation behavior of the terminal, ensure that it does not undergo excessive bending or damage under external forces, thereby safeguarding both the electrical performance and mechanical stability of the connector.

6

端子空腔极化测试(可选)

Terminal Cavity Polarization Test (Optional)

插拔力试验机

Insertion–Withdrawal Force Tester

对端子与空腔配合时的防错性进行测试,确保端子只能以正确的方式插入空腔,避免错误连接。

Test the error-proofing capability when terminals are mated with cavities, ensuring that terminals can only be inserted in the correct orientation to avoid misconnection.

 

此测试可视为端子孔防错结构测试的一种延伸或特定应用场景下的测试。

This test can be considered an extension of, or a specific application scenario for, the terminal hole anti-mistake structure test.

 

 

| Project Advantages

 

1. Comprehensiveness: Covers multiple critical aspects of terminal mechanical performance, ensuring product stability and reliability under different mechanical stresses.

 

2. Precision: Utilizes advanced testing equipment and methodologies to guarantee the accuracy and reliability of test results.

 

3. Efficiency: Optimized testing processes enhance efficiency and shorten product development cycles.

 

4. Customization: Provides tailored testing solutions and services based on customer requirements to meet the specific testing needs of different products.

 

 

| Application Fields

 

The terminal mechanical performance testing program is widely applied in the fields of electronic and electrical components, automation parts, communication assemblies, and automotive accessories, providing strong support for the research, development, production, and quality control of various types of connectors. Terminal products tested under this program can maintain stability and reliability under various mechanical stresses, meeting the stringent requirements of customers.

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