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2151
Case study
服装纽扣拉脱TTF测试
要求该客户是英国主要服装零售商Marks＆Spencer的供应商，后者规定所有紧固件和附件必须经过测试才能失效。接头/纽扣的强度对于确保其满足设计公差和安全水平至关重要，特别是在婴儿服装中。将测试速度的电动单元定义为200 mm / min，因为该系统需要在生产环境中易于使用并提供一致的结果。解决方案将布材料夹在50毫米宽的表面上并涂有防滑橡胶的“双作用虎钳”中，以增强抓地力。
2152
Case study
ISO 11608-3 预装药筒的松脱和保持力测试
测试需求
与传统的小瓶和注射器相比，用于递送药物（例如胰岛素）的笔式注射器已经获得专业的认可。注射笔的优化设计易于使用，在递送小剂量的同时提供了更高的准确性，同时患者的注射疼痛也有所减轻。为了验证新的笔式注射器设计并在批量生产时保持一致的质量，需要进行大量力学测试。
2153
Case study
按扣式波普尔拉脱测试
要求该客户是主要服装零售商Marks＆Spencer的供应商，后者规定所有紧固件和附件都必须进行故障测试。压钉连接的强度对于确保其达到设计公差和安全水平至关重要，特别是在婴儿服装中。测试系统的机动化单元定义为200 mm / min，因为该系统需要在生产环境中易于使用并提供一致的结果。
2154
Case study
扁平快速连接终端
要求需要一个测试系统来满足测试标准BS5057的要求。该规范要求测量插入到母连接器上的公铲的第一个插入力和第六个拔出力（通常在汽车，白色和棕色商品行业中使用）。需要仔细控制插入深度以及60 mm / min的测试速度。成功解决该应用程序的三个关键点是：确保两个组件之间的一致性，具有以预定负载停止系统的能力，以及使客户能够操纵数据以计算必要的测试结果。
2155
[Page extract]
Introduction to secant modulus
In material testing and engineering, understanding how a material responds to applied stress is essential for predicting performance, ensuring safety, and optimising design.
2156
[Page extract]
Impact of environmental factors
Temperature and mechanical properties
Temperature can significantly affect tangent modulus:
2157
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Methods for measuring coefficient of friction
The most widely adopted technique for measuring both static and kinetic coefficients of friction (COF) is the hori
2158
[Page extract]
Introduction to compressive hardness
Compressive hardness is a measure of a material’s ability to resist deformation when a compressive load is applied to its surface.
2159
[Page extract]
Common challenges in fastening torque
Believing tighter is always better, leading to over-torquing.
Ignoring lubrication effects, which can reduce the torque needed for the same clamping force.
Relying on uncalibrated hand tools, which can produce inconsistent res
2160
[Page extract]
Speak to an expert
If you require loop tack testing to meet quality, performance, or compliance requirements, Mecmesin can provide the right solution for your application.
2161
[Page extract]
Speak to an expert
For engineers looking to define robust torque to turn test protocols or specify equipment, Mecmesin’s applications engineering team offers specialist guidance.
2162
[Page extract]
Speak to an expert
Discuss your requirements with a Mecmesin specialist to identify the right tension testing solution for your product and process.
2163
[Page extract]
Applications across industry
The single rip trouser tear method is used in:
2165
[Page extract]
Speak to an Expert
To learn how automated test calculations and advanced software could benefit your quality assurance, production or R&D processes, speak to a Mecmesin specialist.
2166
[Page extract]
Speak to an expert
Speak to one of our technical specialists today to discuss your shear testing in tension requirements and discover how Mecmesin can help you achieve accurate, compliant, and repeatable results.
2167
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Coefficient of friction (COF) explained
Understanding the COF formula
The coefficient of friction (μ) is a dimensionless value calculated as:
2168
[Page extract]
Introduction to compressive modulus
Compressive modulus, also known as the modulus of elasticity in compression, is a key mechanical property describing a material’s ability to resist deformation under compressive load.
2169
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Speak to an Expert
Our technical team can help you select and configure the right torque testing system for your rotational shear requirements.
2170
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学生参加梅克美辛多重测试
在与 Mecmesin 团队交流并参观了他们的材料测试仪后，WPI 选择投资购买三台 Mecmesin MultiTest 2.5-dV 测试仪。在增强型载荷传感器、Mecmesin 多功能 VectorPro MT 软件和可选伸长计的帮助下，这些经济高效的电动测力仪变成了材料测试仪，成为 Cote 博士和 Grubbs 心目中材料测试的理想选择。
2171
[Page extract]
Speak to an expert
For technical advice on selecting the right T-peel testing system for your materials and standards, speak to an expert at Mecmesin.
2172
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Why removal torque is important
Removal torque is critical to packaging performance and user experience.
2173
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Why automate?
Automation transforms the way you approach quality control and testing, turning a time-consuming and labour-intensive process into a more efficient and cost-effective operation.
2174
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测试设备
Mecmesin 提供一系列适用于 ISO 11040-4 Annex F 规定的注射器测试的力测试设备。我们的解决方案包括 OmniTest 通用测试机，它在此应用中具有高度的准确性和可靠性。
2175
[Page extract]
Typical values of Young’s modulus:
Steel: ~200 GPa
Aluminium: ~70 GPa
PET (Polymer): ~2–3 GPa
Rubber: ~0.01–0.1 GPa