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1576
[Page extract]
Introduction to tensile testing
Tensile testing is one of the most widely used methods in material science for determining the mechanical properties of materials under uniaxial tension.
1577
[Page extract]
ASTM D4255 / D4255M-15a
ASTM D4255 is a test method for testing the in-plane shear properties of high-modulus fiber-reinforced composite materials. The method is divided into two procedures. Procedure A tests laminates clamped between two pairs of loading rails.
1578
Page
Catalogue d'accessoires
Choisir vos accessoires
Pour obtenir des résultats de test précis, il est important que votre échantillon soit fixé et maintenu correctement.
1579
Case study
Hygienic disposal bin closure testing
Customised engineering example
A manufacturer of hygienic disposal bins came to us with a nappy (diaper) disposal unit fitted with a rotary intake mechanism.
1580
Event
Tensile Testing for Wiring Harness Connections
The only way of really knowing the strength of a crimped terminal is to pull it. This can reveal production problems, where strand nicks, incorrect crimp height, or effects from changes in terminal supply, may not be clearly apparent.
1581
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Types of calculations handled
Mecmesin’s VectorPro software supports a wide range of test calculations, automatically derived from mechanical testing data:
1582
Case study
Mandrin sur mesure pour bouchons sécurité-enfants (CRC)
Exemple d'ingénierie sur mesure
Les bouchons de sécurité-enfants (CRC) nécessitent une force verticale suffisante pour activer le mécanisme de déverrouillage CR avant l'application du couple.
1583
[Page extract]
How the strip method works
The strip method involves cutting a specimen to a precise width, typically 50 mm or 25 mm depending on the applicable standard, and mounting it in the grips of a tensile testing
1584
Case study
Tests semi-automatiques de pénétration sur plaques de plâtre
Exemple d'ingénierie sur mesure
British Gypsum (aujourd'hui Saint-Gobain) effectue des tests de pénétration répétitifs afin d'évaluer avec précision les performances et la durabilité de leurs produits.
1585
Event
Essentials of Consumer Packaging Testing
Maximize COST SAVINGS for your consumer packaging by minimizing excess material and “over design” while keeping your products protected in transit.
1586
[Page extract]
What is wing tear testing (Winkelmann/Graves method)?
Wing tear testing is a tensile-based method for flexible materials, in which a wing-shaped specimen is subjected to a controlled force until it tears.
1587
[Page extract]
BS EN 12209
BS EN 12209:2016 specifies requirements and test methods for the durability, strength, security, and function of mechanically operated locks and latches and their locking plates for use in doors, window doors and entrance doors in buildings.
1588
Case study
Essais sur neutralisation de la sécurité de portes de train
Exemple d'ingénierie sur mesure
Un opérateur ferroviaire britannique avait besoin d’une méthode permettant de vérifier leurs portes coulissantes de wagon et la sensibilité à la détection d’un obstacle lors de la fermet
1589
Case study
Page pull strength test
Requirement
Mecmesin collaborated with a customer to design and develop a force measurement system to determine book binding adhesive strength in retaining individual pages.
1590
Event
Essentials of grip & fixture selection in force & torque testing
For a test to work, the test system needs to properly interface with its specimen.
1591
[Page extract]
Analysis and interpretation of results
Interpreting shear failure characteristics
Post-test examination of the bonded joint provides valuable insight into adhesive performance:
1592
[Page extract]
Introduction to friction and its importance
Friction is the resistive force that occurs when two surfaces interact. It plays a fundamental role in engineering and manufacturing.
1593
Case study
Essai d'arrachement des attaches ou de noeuds sur les vêtements
Exigence
Le client était un fournisseur du grand détaillant de vêtements britannique Marks & Spencer, qui stipulait que toutes les attaches et tous les accessoires devaient être testés à l’échec.
1594
Event
Tensile Testing for Wiring Harness Connections
The only way of really knowing the strength of a crimped terminal is to pull it. This can reveal production problems, where strand nicks, incorrect crimp height, or effects from changes in terminal supply, may not be clearly apparent.
1595
[Page extract]
Introduction to Delft tear testing
The Delft tear test is a specialised method for determining the tear strength of vulcanised rubber, thermoplastic elastomers and similar flexible materials.
1596
[Page extract]
SAE J1701M
This SAE Information Report is provided as an advisory guide. Individual application discretion is recommended. The content has been presented as accurately as possible, but responsibility for its application lies with the user.
1597
[Page extract]
Essais de matériaux
L’une des missions des scientifiques spécialistes des matériaux est de mettre au point des processus plus efficaces pour développer des matériaux plus légers, plus solides et plus durables.
1598
Case study
Diamante pull-off test
Requirement
The customer was a supplier to major UK clothing retailer Marks & Spencer, who stipulate that all fasteners and attachments must be tested to failure.
1599
Case study
Engine fuel pump spring characteristics measurement
Requirement
One of the largest automotive parts manufacturers in the Czech Republic, part of a major group, required a number of its component parts tested under high loads.
1600
Case study
Sports shoe cleats release torque
Requirement
A leading golf shoe supplier needed to measure the release torque of the interchangeable cleats in its range of sports footwear.