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Understanding and interpreting test results
Box crush testing provides clear, measurable data to inform design and compliance decisions:
1527
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EN 22872
EN 22872 specifies two methods for testing complete, filled transport packages for compression resistance.
1528
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Mechanical properties and accuracy considerations
Tensile testing via the strip method reveals mechanical properties that determine how fabrics perform in use.
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Common challenges and solutions
Misalignment can cause uneven peeling forces.
1530
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Banchi prova di coppia motorizzati
Test di coppia ripetibile Alla ricerca di un sistema di prova di coppia motorizzato per migliorare la precisione e la ripetibilità delle misurazioni rispetto ai tester di coppia manu
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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.
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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:
1533
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.
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ASTM F2132-01
This specification provides the performance requirements and associated test procedures for the puncture resistance of materials used in the construction of containers for discarded medical needles and other sharps.
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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.
1537
Case study
Cosmetics tin label peel
Customised engineering example
Testing the adhesive peel strength of packaging labels applied at the post-production stage is more representative of their performance than at the label production stage.
1538
Case study
Cardboard beverage bottle carrier unfolding
Customised engineering example
A manufacturer of fully-enclosed cartons wanted to quality test the fold-out force for a variety of their designs, used mainly to package drinks bottles and cans.
1539
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How to conduct a floating roller peel test
Carrying out this test requires attention to detail and strict adherence to the procedure. Key steps include:
1540
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What is the 135° peel test?
The 135° peel test is a method for measuring the seal strength of semi-rigid packaging, typically where a flexible lid is sealed onto a rigid or vacuum-formed container.
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Step-by-step guide to conducting the ring crush test
Prepare the sample
Cut samples to the required size specified by the relevant standard, typically corresponding to a circumference of 152 mm. Condition the samples at the specified temperature and humidity.
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ASTM D3578
Scope... 1.1 This specification describes certain requirements for natural rubber gloves used in conducting medical examinations and diagnostic and therapeutic procedures. It also covers natural rubber gloves used in handling contaminated medical
1543
Case study
Mandrino per chiusure a prova di bambino (CRC)
Esempio di ingegneria personalizzato Le chiusure resistenti ai bambini (CRC) richiedono una forza verticale sufficiente per attivare il meccanismo di bloccaggio CR prima dell'applicazione della coppia.
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ASTM C133-97
ASTM C133-97 outlines standardized test methods for determining the cold crushing strength and modulus of rupture of refractory materials.
1545
Case study
Automotive window winder turning effort
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.
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Introduction to tear resistance testing
Tear resistance testing is a critical mechanical property assessment for flexible materials such as plastics, elastomers, coated fabrics and textiles.
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Destructive and non-destructive methods
Testing may be performed destructively or non-destructively depending on the objectives.
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Fundamentals of Adhesion (Peel) Testing
There is a reason people reach for Duct Tape as a fix for almost everything – Adhesion Strength. From busted pipes to ripped furniture, the preference for a solution that “does not easily peel off” is the guiding principle for manufactures.
1549
Case study
Press stud popper pull-off test
Requirement
The customer was a supplier to major clothing retailer Marks & Spencer, who stipulate that all fasteners and attachments must be tested to failure.
1550
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ISO 9187-1
ISO 9187-1:2010 specifies materials, dimensions, capacities, performance and packaging requirements for three forms of glass ampoule (forms B, C and D) for injectable pharmaceutical products.