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626
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Compression testing and its applications
Compression testing measures how a material behaves when subjected to forces that reduce its size.
627
Case study
Lancet needle retention test
Requirement
A UK based medical device company who design and manufacture a range of blood glucose monitoring and control equipment used by healthcare professionals and consumers across the globe, needed a test solution to ensure the quality of
628
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SAE USCAR-38
This specification defines basic test methods and requirements for ultrasonically welded cable termination type connections.
629
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Applications across industries
Equibiaxial flexure compression testing is used wherever material reliability under multi-directional stress is critical.
630
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ASTM D3165
This test method is useful in that the joint configuration closely simulates the actual joint configuration of many bonded assemblies.
631
Case study
Aluminium tube seals pierce compression effort
Requirement
One of the largest packaging tube suppliers in Central Europe specialises in laminated plastic and aluminium tube containers for the cosmetics industry.
632
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ASTM C273/C273M
This test method is used to determine core shear properties of a sandwich construction material using loading plates bonded to the outer surfaces or skins (facesheets).
633
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BS EN ISO 9626
This International Standard specifies the dimensions, surface and mechanical properties of normal- and thin-walled tubing of designated metric sizes 3,4 mm to 0,3 mm, and of extra-thin-walled tubing of designated metric sizes 2,1 mm to 0,6 mm.
634
Case study
Plastic film tension test
Requirement
The customer uses a double layer plastic film for packaging film for packaging of pet food and confectionary.
636
Case study
Top-load testing PET bottles
Requirement
Esterform Packaging manufacture more than a million PET bottles and preforms per day for major processors of bottled water, juices, soft drinks, dairy and household products.
637
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.
638
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FINAT FTM3
This test method allows the end user to determine the force required to separate the release backing from the pressure sensitive adhesive coated face material.
639
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TAPPI T 818
The ring crush test correlates with edgewise compression strength of paperboard. This method is intended for paperbaord between 0.28mm (0.011 in.) and 0.51mm (0.020 in) thick.
640
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TAPPI T 556
This procedure is used to measure the bending resistance of paper and paperboard in the machine and cross machine directions, by determining the bending resistance in mN of a 38mm (1.5in) wide vertically clamped sample, at 15o or 7.5o deflection.
641
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ASTM D1321
This test method covers the empirical estimation of the consistency of waxes derived from petroleum by measurement of the extent of penetration of a standard needle.
642
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.
643
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Force systems
Do you need a level of accuracy and repeatability which just cannot be achieved by manual testers?
644
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ASTM D7834-13
During the application of coatings, paint brushes can exhibit shedding of filling material onto the coated surface. A measure of this shedding filling material will determine the paint brush’s ability to resist shedding during application.
645
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ISO 505
ISO 505 specifies a method of test for the measurement of the propagation resistance of an initial tear in textile conveyor belts, either in full thickness or of the carcass only.
646
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TAPPI T 284
This test evaluates the ability of corrugating medium to contribute to the compression strenght of a corrugated box.
647
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Industry applications
Dairy products
For butter, ISO 16305 compliance confirms product consistency.
648
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Industry applications of tension testing
Manufacturing and product development
In engineering and manufacturing, tension testing verifies the performance of raw materials, components and finished products.
649
Case study
End float test of inhaler cap
Requirement
'End float is the displacement in mm of a product', in this case the dispensing cap closure of the inhaler measured at a specific load.
650
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ASTM D747-10
ASTM D747 is used to determine the flexibility of plastics by means of a cantilever beam.