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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Mechanical Reliability

The reliability testing of automotive machinery is crucial, as it relates to the stability and safety of the vehicle's performance under complex mechanical stresses. Testing can detect hidden dangers such as wear and breakage of mechanical components in advance, ensuring the durability of the car, reducing failure rates, improving user experience, and having significant implications for ensuring driving safety and reducing maintenance costs

Mechanical Reliability

| Introduction to Reliability Testing

 

Reliability testing refers to activities carried out to evaluate whether a product can maintain its functional reliability throughout its specified service life, under all anticipated environments such as use, transportation, or storage. It involves subjecting the product to natural or artificially created environmental conditions in order to assess its performance under actual usage, transport, and storage environments, while also analyzing the extent and mechanisms of environmental influences.

 

 

| Purpose of Reliability Testing

 

By using various kinds of environmental test equipment to simulate climatic conditions such as high temperature, low temperature, high temperature with high humidity, and temperature variations, the product’s response to usage environments can be accelerated. This process validates whether the product meets the intended quality targets set during research, design, and manufacturing, thereby enabling an overall evaluation to determine the product’s reliability lifespan.

 

 

| Necessity of Reliability Testing

 

Reliability testing helps to identify product weaknesses, confirm process and manufacturing defects, and provide suggestions for improvements. It assists enterprises in enhancing process levels, extending product lifespan, and improving quality. Furthermore, it offers technical support for R&D and production, enabling the creation of high-quality products and enhancing a company’s market competitiveness.

 

 

大类

Major Categories

项目介绍

Project Introduction

测试要求

Testing Requirement

跌落试验

Drop test

用来模拟产品在搬运期间或使用过程中可能经受的跌落。包括(1)非包装状态产品在搬运期间可能经受的自由跌落,样品通常按照规定的姿态从规定的高度跌落到规定的表面上。(2)模拟负载电缆上的连接器、小型遥控装置等在使用中可能经受的重复自由跌落。(3)包装跌落

Used to simulate the drops a product may experience during handling or actual use. Including: (1) Free fall that an unpackaged product may experience during handling, where the sample is typically dropped from a specified height onto a designated surface in a prescribed orientation. (2) Repeated free fall simulating conditions such as connectors attached to load-bearing cables or small remote-control devices during actual use. (3) Packaged product drop.

测试范围:

Test scope:

100 kg

测试参数:

100 kg

 Test Parameters:

跌落高度:30-150cm

Drop height: 30–150 cm.

振动试验

Vibration test

振动试验是仿真产品在运(Transportation)、安装(Installation)及使用(Use)环境中所遭遇到的各种振动环境影响,本试验是模拟产品在运输、安装及使用环境下所遭遇到的各种振动环境影响,用来确定产品是否能承受各种环境振动的能力。振动试验是评定元器件、零部件及整机在预期的运输及使用环境中的抵抗能力。

The vibration test simulates the various vibration environments encountered by products during transportation, installation, and use. This test is designed to evaluate whether a product can withstand the different vibration conditions associated with these environments. The vibration test assesses the resistance of components, parts, and complete equipment to expected vibrations during transportation and usage.

测试范围:

Test scope:

正弦、随机振动

Sine and random vibration: vibration platforms rated below

2吨以下振动台 10吨振动台

2 tons and 10-ton vibration platforms.

冲击和撞击试验

Shock and Impact Testing

许多产品在使用、装卸、运输过程中都会受到冲击。冲击的量值变化很大并具有复杂的性质。因此冲击和碰撞试验适用于确定机械的薄弱环节,考核产品结构的完整性。

Many products are subject to shock during use, handling, and transportation. The magnitude of shock varies greatly and exhibits complex characteristics. Therefore, shock and impact testing is applicable for identifying weak points in mechanical structures and evaluating the structural integrity of products.

测试范围:

Test scope:

半正弦波,加速度<500gn 半正弦波,加速度:500-5000gn

测试参数:

Half-sine wave, acceleration <500 gn; Half-sine wave, acceleration: 500–5000 gn

 Test Parameters:

台面尺寸:450*450mm

Table size: 450 × 450 mm

测试范围:

Test Range:

方波Max:85gn

Square wave Max: 85 gn

测试参数:

Test Parameters:

台面尺寸:450*450mm

Table size: 450 × 450 mm.

插拔力测试

Insertion and Withdrawal Force Testing

适用于连接器的插入力、拔出力、塑料保持力以及使用寿命等多种测试,透过计算机的分析,可精确测量待测物的荷重、行程及相对应变化曲线,并可准确控制连接器插拔力测试行程、速度、目标测定次数及暂停时间。尤其是各项专用的夹、治具,可在测试时让连接器更能自动求心并对准,不会有“吃单边”的问题发上。

Applicable to a variety of connector tests such as insertion force, withdrawal force, plastic retention force, and service life. With computer-based analysis, it can precisely measure the load, displacement, and corresponding variation curves of the test piece, while accurately controlling the test stroke, speed, target number of insertion/withdrawal cycles, and pause time during connector force testing. Specialized clamps and fixtures are available to ensure connectors remain automatically centered and properly aligned during testing, thereby eliminating issues such as “off-center insertion.”

插拔次数

插拔力度

标准公母插头

Standards for insertion/withdrawal cycles

and forces

for male and female plugs

加速寿命试验

HALT/HASS试验

Accelerated Life Testing –

HALT/HASS

HALT (Highly Accelerated Life Test)高加速寿命试验---是一种用于发现产品的薄弱点或缺陷,通过设计改进,提高可靠性的试验手段。其核心是采用步进方式,逐渐增大试验应力,逐步发现与排除缺陷,达到快速提高可靠性的目的。

HALT (Highly Accelerated Life Test) is a test method designed to identify weaknesses or defects in a product and improve reliability through design optimization. Its core principle is to adopt a step-stress approach, progressively increasing test stress to gradually identify and eliminate defects, thereby achieving rapid improvements in product reliability.

测试范围:

Test scope:

温度:-100℃~200℃

Temperature: –100℃ to 200℃

振动:5-50Grms

Vibration: 5–50 Grms

测试参数:

Test Parameters:

1360*1370*1400mm

碰撞试验

Impact test

用于评定运输包装件在运输过程中承受多次重复性机械碰撞的耐冲击强度及包装对内装物的保护能力,它既可作为单项试验,也可以作为一系列试验的组成部分。

Used to evaluate the impact resistance strength of transport packages subjected to multiple repetitive mechanical shocks during transportation, as well as the protective capability of the packaging for its contents. It can serve either as an independent test or as part of a series of combined tests.

测试范围:

Test scope:

负载:0~100kg,加速度:5-100gn

Load: 0–100 kg; Acceleration: 5–100 gn

测试参数:

Test Parameters:

台面尺寸:500*700mm

Table size: 500 × 700 mm.

三综合试验

Three comprehensive test

产品在实际使用中会受到各种环境因素的作用,从而使产品的各薄弱环节在自然和诱发环境因素的作用下产生故障。三综合试验设备可进行高温、低温、温度循环、温度冲击、恒温恒湿、交变湿热、正弦定频、正弦扫频、随机振动、冲击、高温机械冲击、低温机械冲击、温度-冲击响应普、温度-振动、温度-振动-湿度等产品的环境试验。将单独的环境应力施加在产品上可激发出产品的故障,那么用三种不同的环境应力施加在产品上则可轻易地得到3~5倍的加速效果,通过将不同的环境应力综合还能激发出单独应力施加时所不能出现的故障,因而三综合试验常常用以早期发现产品缺陷,进而改良产品,提高产品的可靠性。

In actual service, products are exposed to a variety of environmental factors, which may cause weak points in the product to fail under the combined influence of natural and induced conditions. Three-comprehensive environmental test equipment is capable of conducting tests such as high-temperature, low-temperature, temperature cycling, thermal shock, constant temperature and humidity, alternating damp heat, sinusoidal fixed-frequency, sinusoidal sweep, random vibration, mechanical shock at high and low temperatures, temperature–shock response spectrum, temperature–vibration, and temperature–vibration–humidity environmental testing. Applying a single environmental stress to a product may reveal certain failures, but applying three different environmental stresses simultaneously can readily achieve an acceleration effect of three to five times. Moreover, combining multiple stresses can induce failures that do not occur under single-stress conditions. Therefore, three-comprehensive testing is often employed to identify product defects at an early stage, thereby improving product design and enhancing overall reliability.

测试范围:

Test scope:

温度:-70℃~150℃

Temperature: –70℃ to 150℃

湿度:25%-98%

Humidity: 25%–98%

测试参数:

Test Parameters:

温度+湿度+振动

Temperature + Humidity + Vibration.

 

 

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