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1151
[Page extract]
ASTM F2332-06
This specification covers annular ball bearings intended primarily for use in instrument and precision rotating components.
1152
Case study
Closure torque validation
Requirement
The customer had a number of Tornado closure torque testers, and wished to carry out regular validation checks without the need to return the units to either Mecmesin or an approved laboratory.
1153
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Related tensile and shear test methods
While tensile tests measure a material’s resistance to stretching, shear tests measure resistance to sliding between layers or across a bond. Both are complementary.
1154
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Tensile deformation and its significance
Tensile deformation occurs when a material is stretched by an axial load, causing it to elongate.
1155
Case study
Filter test station
Requirement
The following tests were required in a simple-to-use system for a series of tests on automotive filters:
1156
[Page extract]
Importance of testing elasticity and ultimate strength
Elasticity determines how well a material returns to its original shape after stretching. Ultimate strength indicates the maximum stress it can withstand before failure.
1157
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Key test standards for ball burst testing
ASTM D3787 – Constant-rate-of-traverse (CRT) method
This standard outlines a method for determining the bursting strength of
1158
Case study
Train door closing pinch force tester
Requirement
South West Trains required a system to measure the closing force (pinch) of their external flush fitting train doors.
1159
Case study
Tester di coppia per comandi finestrini e tetto apribile
Requisiti Il cliente ha richiesto un sistema portatile che gli consentisse di testare rapidamente e facilmente la coppia richiesta per aprire e chiudere i finestrini di un'auto.
1160
Case study
Cable duct strength testing
Customised engineering example
Our customer manufactures tubes and ducts for routing of cables and optical fibres. Installation of these uses blowing, pushing and pulling techniques.
1161
[Page extract]
Built for batch testing and automation
Batch testing in VectorPro uses a pre-configured test to create a semi-automatic or fully automatic testing system on sets of products and batches of the products.
1162
Case study
Glass syringe Luer lock attachment pull-off
Customised engineering example
Polycarbonate Luer Lock adapters are push-fitted to glass syringe nozzles with a friction fit. Quality assurance demands that they cannot come free under normal use.
1163
[Page extract]
BS EN 13411-3
This European Standard deals with the requirements for ferrules for the ferrule-securing of eyes and endless loops - it applies to slings and assemblies using steel wire ropes for general lifting applications up to and including 60mm diameter conforming
1164
Event
Tensile Testing: Basics, Tips, & Trends
Have you ever wondered if the seatbelt in your vehicle is strong enough to restrain you in a collision? How about the average person pulling the cork out of a wine bottle?
1165
[Page extract]
Introduction to penetration and puncture resistance testing
Penetration and puncture resistance testing are essential for evaluating how well a material can withstand force from sharp, pointed, or blunt objects.
1166
Case study
Valutazione distruttiva del carico del deodorante per ambienti a parete
Requisiti Il cliente desiderava applicare un carico controllato di 350 N a un deodorante per ambienti a parete, replicando l'effetto di un bambino in piedi su di esso.
1167
[Page extract]
ASTM D1710
Among tests for electrical and dimensional (temperature) stability, includes methods for tensile characteristics.
1168
Case study
Chiusure per prove di coppia su bottiglie di plastica a più vie
Esempio di ingegneria personalizzato Un'azienda farmaceutica voleva testare la coppia di chiusura di una serie di bottiglie in PET a profilo quadrato.
1169
[Page extract]
Simplify data analysis in force, materials and torque testing
Test calculations are the values derived from raw measurement data, such as peak force, torque angle, or modulus of elasticity. With advanced software, these are now calculated instantly and with high precision, replacing error-prone manual methods.
1170
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Understanding test types
Material testing uses a variety of methods to assess different mechanical properties. Selecting the right test depends on the intended application and relevant standards.
Examples include:
1171
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ISO 252
ISO 252 specifies two test methods, A and B, for determining the adhesion strength between constitutive elements of a conveyor belt, i.e. between plies and between covers and carcass.
1172
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Understanding flexural strength
Flexural strength (modulus of rupture) refers to a material’s resistance to deformation under load.
1173
[Page extract]
Troubleshooting and best practices
Secure adhesive firmly in the fixture to prevent slippage
Clean substrates between tests to remove residue
Maintain consistent loop dimensions using fixture guides
Control temperature and humidity to match the test s
1174
[Page extract]
ASTM D6862-11
This test method is useful for acceptance and quality control testing. Adherends, application procedure, and sample conditioning shall be as agreed upon by the manufacturer and the user of the adherends and the adhesive.
1175
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Standards for the 90-degree peel test
The 90-degree peel test is defined by several recognised international standards, which provide consistent methodology and reporting requirements: