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551
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.
552
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
553
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.
554
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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:
555
Case study
Electrical assembly component strength
Customised engineering example
Due to the complex, asymmetric shapes of electrical assemblies, it can be difficult to grip the soldered, fused and welded parts in a way that mimic the forces applied when in use.
556
[Page extract]
BS EN 12346
Gymnastics equipment, Wall bars, Ladders, Sports equipment, Indoor sports equipment, Design, Dimensions, Height, Dimensional tolerances, Shape, Strength of materials, Safety measures, Marking, Instructions for use, Equipment safety, Mechanical testing,
557
Case study
Magnet pull tester
Requirement
Magnetic separators trap and remove ferromagnetic foreign bodies from product streams, in order to guarantee high product quality and prevent damage to machinery and processing equipment.
558
[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.
559
[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.
560
[Page extract]
ASTM D790-17
ASTM D790 is used to determine the flexural properties of unreinforced and reinforced plastics, including high modulus composites and electrical insulating materials utilizing a three-point loading system to apply a load to a simply supported beam (spec
561
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.
562
Case study
Nadel-zu-Ferrule-Ausziehtest
Anforderung Der Kunde, Oxford Instruments, wollte einen zerstörerischen Auszugstest durchführen, um die maximale Zugkraft zum Auseinanderziehen der beiden Komponenten zu ermitteln.
563
Case study
PET preforms - repurposing production for COVID-19 test kits
Requirement
One thing which has characterised the fight against COVID-19 has been the ingenuity and innovation shown by manufacturers to repurpose their own mass-production facilities to make essential items. Everything from Personal Protectiv
564
[Page extract]
FINAT FTM 9
This test method describes a means of assessing probably the most important and yet the hardest to measure property of pressure sensitive materials, the tack.
565
Case study
Car door closure effort
Requirement
When shutting car doors, users need to apply a certain force to initiate the movement and ensure a complete closure.
566
Case study
Klebetest an gekapselten Stopfen
Anforderung Ein gekapselter Stopfen (T-Top, Bar-Top oder Altop®) ist ein natürlicher oder synthetischer Korkstopfen, bei dem das Ende in eine Kappe aus Holz, PVC, Porzellan, Metall, Glas oder einem anderen Material eingeklebt wird.
567
[Page extract]
Force systems
Do you need a level of accuracy and repeatability which just cannot be achieved by manual testers?
568
Case study
Peel testing identity cards
Requirement
The customer produces identity cards with a laminated cover. The customer wanted to know that the adhesive used to bond the laminate and card together was strong enough to withstand a high rate of day-to-day usage.
569
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Manual test stands
Manual test stands allow simple force testing when budgets are limited.
Lever-operated models enable rapid testing of tension and compression up to 500 N.
571
Case study
Adjustable spectacles torque test
Customised engineering example
Adlens manufacture adaptive spectacle lenses, where the optical power is adjusted by a side dial which is then removed.
572
[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.
573
Case study
Child resistant closures (CRC) mandrel
Customised engineering example
Child Resistant Closures (CRC) require sufficient vertical force to activate the CR locking mechanism prior to torque being applied.
574
[Page extract]
What is cantilever bend testing?
Definition and purpose
Cantilever bend testing assesses a component’s flexural response by applying a controlled force at a set distance from a fixed end.
575
[Page extract]
BS EN 1271
Balls (sports equipment), Ball-games equipment, Sports nets, Dimensions, Design, Classification systems, Performance, Breaking load, Yarn, Cords, Grades (quality), Safety measures, Mechanical testing, Instructions for use, Marking, Foundations, Anchorag