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451
[Page extract]
Why is double lap shear testing important?
The double lap shear test is widely used to determine the performance of adhesives in structural and semi-structural applications. It allows engineers to:
452
Case study
Pharmaceutical sachet burst strength
Customised engineering example
Plastic sachets with welded seams are frequently used for measured applications of liquids, creams and gels.
453
[Page extract]
What is fastening torque
Fastening torque refers to the rotational force applied to tighten a fastener, typically measured in Newton-metres (N·m) or pound-force inches (lbf·in). The correct torque value ensures adequate clamping without overstressing components.
454
[Page extract]
BS EN 843-1
EN843-1 describes methods for determining the nominal flexural strength of advanced monolithic technical ceramic materials at ambient temperature.
455
[Page extract]
What is Young’s modulus?
Young’s modulus - also known as the modulus of elasticity or elastic modulus - defines how stiff a material is when a force is applied.
458
Case study
Torque tester for windows and sunroof controls
Requirement
The customer requested a portable system which would quickly and easily allow him to test the torque required to open and close windows in a car.
459
Case study
Syringe testing to ISO 11040-4 Annex C2 Luer cone break resistance
Requirement
The ubiquitous medical syringe is an extremely important device, delivering (parenteral) injectable products to the patient by means of a cylinder and plunger mechanism.
460
Case study
Construction safety netting certification testing
Requirement
IPS Safety Netting supplies and installs thousands of safety nets for the construction industry. The nets are used for arresting falls and for protection from falling debris.
461
[Page extract]
What is compression texture testing?
Compression texture testing is a method used to determine how a food product responds when force is applied. It measures properties such as firmness, consistency, and deformability by pressing into the sample with a controlled load.
462
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:
463
Case study
Syringe pump calibrator
Requirement
Medical device manufacturers, Cardinal Health, supply a range of syringe pump infusion systems to hospitals.
464
Case study
Automotive chain drive components tension and compression testing
Requirement
Tsubakimoto Automotive (Thailand), a leading manufacturer of industrial chain drives, attachment chains, and large-size conveyor chains, recognizes the critical importance of component durability and functional performance of these
465
[Page extract]
EN 12089
Thermal insulating materials, Bend testing, Construction materials, Loading, Deflection tests, Mechanical testing, Testing conditions, Test equipment, Test specimens, Reports, Accuracy, Reproducibility.
466
Case study
Car window sliding force tester
Requirement
Bridgestone TG Adelaide, a major supplier of rubber components to the automotive industry in Australia, needed to measure the frictional load associated with sliding a glass window between two rubber guides.
467
[Page extract]
BS EN ISO 9004
BS EN ISO 9004 provides guidance on achieving sustainable success through quality management. The European standard can be applied to all organisations across all sectors.
468
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.
469
Case study
Measuring shear strength of loose building materials
Customised engineering example
The shear strength of compacted materials (e.g. soil and sand) can be awkward to test.
470
[Page extract]
What is double lap shear testing?
Double lap shear testing is a mechanical method used to measure the shear strength of adhesive bonds.
471
[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.
472
Event
Understanding Adhesion Strength: 180 Degree Peel Test
Across many households and industries, consumers have developed a strong preference for and confidence in ‘Duct Tape’ for all types of uses and applications. This is mainly due to the adhesion strength.
473
Case study
Pump dispenser bottle operation
Customised engineering example
As a method to dispense liquids and sprays propellants, such as pressurised gas, are avoided for many reasons. Dispensers with manual spring-loaded pumps are often used in their place.
474
[Page extract]
Why is the trapezoidal tear test important?
Tear resistance is a critical measure of a material’s durability, particularly in applications where the material may be subject to punctures, cuts, or repeated stress.
475
Case study
Handbag clasps and other luggage components
Requirement
The seemingly endless depths of a woman’s (or person's!) handbag are shrouded in mystery.