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1176
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Standards for tear resistance testing
While the core principle of wing tear testing remains the same, each standard specifies unique specimen shapes, notch sizes and test speeds. Adhering to these requirements ensures results are valid and comparable.
1177
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ASTM D412-16
ASTM D412 is a test standard for testing the tensile stress-strain properties of thermoset rubbers and thermoplastic elastomers. The standard is divided into two test methods.
1178
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Industry standards for torque to turn testing
There is no single universal standard for all torque to turn testing, but the method aligns with several sector-specific standards. Examples include:
1179
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.
1180
Event
Needle Sharpness & Puncture Resistance Testing
Hypodermic needles are tested to determine how their design influences the ease of insertion into the skin, patient pain and skin trauma.
1181
Event
Needle Sharpness & Puncture Resistance Testing
Hypodermic needles are tested to determine how their design influences the ease of insertion into the skin in order to prevent patient pain and skin trauma.
1182
Event
Compression Testing in Top Load Applications
A typical challenge in packaging, and bottling applications is trying to balance product integrity, where the container might be too weak and crush under load, and excessive raw material cost, where the container is too strong.
1183
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Standards for extrusion testing
Although there are fewer dedicated standards for food extrusion than for plastics or metals, recognised guidelines help ensure repeatability and comparability. Examples include:
1184
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ISO 13939
Describes a method of comparing the performance test results of foil journal bearings, which are lubricated by air (gas) and supported by hydrodynamic force generated by the rotation of the rotating shaft.
1185
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BS EN 60794-1-21:2015+A1
This part of IEC 60794 applies to optical fibre cables for use with telecommunication equipment and devices employing similar techniques, and to cables having a combination of both optical fibres and electrical conductors.
1186
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Construction
Mecmesin systems and gauges are designed for the application of international and industry standards for quality and safety...
1187
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Torque testing
Torque testing is a way of determining how an object will react when it is being turned - during normal operation or being twisted until it deliberately fails or breaks.
1188
Case study
Portabottiglie per bevande in cartone aperto
Esempio di ingegneria personalizzato Un produttore di cartoni completamente chiusi voleva testare la qualità della forza pieghevole per una varietà di modelli, utilizzati principalmente per confezionare bottiglie di bevande e lattine.
1189
Case study
DVD removal force test
Requirement
The customer, a leading supplier of boxed DVD’s, had experienced a wide variation in the amount of force required to remove the DVD from the central spigot of the case.
1190
Event
Essentials of Adhesion (Peel) Testing
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.
1191
[Page extract]
ASTM D882-18
ASTM D882 is a test method that covers the determination of tensile properties of plastics in the form of thin sheeting and films (less than 1.0 mm (0.04 in.) in thickness). It is used to measure tensile properties including ultimate tensile
1192
Case study
Peel test of semi-rigid packaging for medical device
Customised engineering example
Our client needed to test the peeling quality of a Tyvek® paper lid used to seal a sterile, semi-rigid thermoformed plastic tray containing pre-filled syringes.
1193
Case study
Injection moulded assembly integrity
Customised engineering example
Plastic injection-moulded subassemblies are often clipped or welded together, and the integrity of the whole must be tested at several points.
1194
Case study
Syringe Luer lock attachment removal
Customised engineering example
Our client is a biomedical company who manufacture HA medical solutions supplied in glass syringes with compression-fit polycarbonate luer locks.
1195
Case study
Train sliding door slam force tester
Requirement
A portable device was specified for testing the force required to activate the inbuilt safety device when automatic doors close on trains.
1196
Event
Advanced Engineering 2021 - We would love to see you there!
Who should attend?
Engineering professionals and managers from advanced manufacturing sectors interested in quality assurance testing solutions.
What is the exhibition about?
1197
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Testing equipment and procedures
Compression testers with parallel platens apply controlled loads at specified rates.
1198
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Challenges and considerations
Even with well-defined standards, tear resistance testing can be influenced by:
1199
Case study
Taglio a saldare PCB
Requisiti Millennnium Microtech Thailand, parte di Microchip Technology Inc Thailand, gestisce un impianto di produzione, confezionamento e collaudo di componenti per circuiti integrati (IC).
1200
Case study
Test di carico dall'alto bottiglie in PET
Requisiti
Esterform Packaging produce oltre un milione di bottiglie e preforme in PET al giorno per i principali trasformatori di acqua in bottiglia, succhi di frutta, bibite, latticini e prodotti per la casa.