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1151
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.
1152
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.
1153
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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.
1154
Case study
Sachet compression test
Requirement
To compress six sachets of ketchup or mayonnaise until failure of the packaging occurred.
The peak compressive force was required as the test result.
1155
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ISO 8033
ISO 8033 specifies methods for the determination of the adhesion between lining and reinforcement, between cover and reinforcement, between reinforcement layers, between cover and outer lamination (thin layer of material outside the cover for protection
1156
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.
1157
Case study
Insulation film stiffness testing
Customised engineering example
Familiar with three-point bending to test flexural strength properties?
1158
[Page extract]
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:
1159
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Challenges and best practices in peel testing
Common challenges
Material variability in thickness, surface treatment, or adhesive application.
Inconsistent specimen preparation.
Operator error from misalignment or incorrect grip tension.
Best pra
1160
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ASTM D2061
No one test determines the suitability of a zipper for a specific end use. Since the tests are inter-related more than one may be needed for a complete evaluation.
1161
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.
1162
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.
1163
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ASTM D5934-02
ASTM D5934 specifies the use of controlled rate of loading mechanical instrumentation on rectangular plastic bars molded directly or cut from sheets, plates, or molded shapes via three-point loading bending techniques to obtain material properties such
1164
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Testing equipment and procedures
Compression testers with parallel platens apply controlled loads at specified rates.
1165
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.
1166
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.
1167
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.
1168
Case study
Chiusure per prove di coppia su bottiglie di plastica a più vie
Esempio di ingegneria personalizzato Un'azienda farmaceutica voleva testare la coppia di chiusura di una serie di bottiglie in PET a profilo quadrato.
1169
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Compression testing and its applications
Compression testing measures how a material behaves when subjected to forces that reduce its size.
1170
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.
1171
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ASTM D6742 / D6742M
ASTM D6742 is the standard test method for tensile and compression testing of filled-hole polymer matrix composite laminates. It provides instructions for modifying open-hole tension and compression test methods to determine filled-hole tensile and com
1172
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ASTM F36-15
The ASTM F36 test method covers the determination of the short-time compressibility and recovery at room temperature of sheet-gasket materials, form-in-place gaskets, and in certain cases, gaskets cut from sheets.
1173
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Introduction to penetration and puncture resistance testing
Penetration and puncture resistance testing are essential for evaluating how well a material can withstand force from sharp, pointed, or blunt objects.