Search results
1076
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.
1077
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.
1078
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.
1079
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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:
1080
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.
1081
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.
1082
[Page extract]
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.
1083
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.
1084
[Page extract]
Construction
Mecmesin systems and gauges are designed for the application of international and industry standards for quality and safety...
1085
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.
1086
[Page extract]
Testing equipment and procedures
Compression testers with parallel platens apply controlled loads at specified rates.
1087
[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
1088
[Page extract]
Challenges and considerations
Even with well-defined standards, tear resistance testing can be influenced by:
1089
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.
1090
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.
1091
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.
1092
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?
1093
Case study
Synthetic sports surface tuft binding
Customised engineering example
Test method standard BS ISO 4919 applies to the tuft withdrawal force of carpets.
1094
Sensor
Sensors - Vortex-dV
Torque sensors
A range of 'Smart' interchangeable torque sensors are specially adapted for the Vortex-dV test system. Plug and play for automatic calibration and a range of capacities for all requirements, from 1.5 N.m (13 lbf.in) to 10 N.m (90 lbf.in).…
1095
[Page extract]
ASTM D3032
These test methods detail the standard procedures for testing hookup wire insulations including all components of the insulation system used on single insulated conductors or an assembly of single insulated conductors such as a cable bundle and harness
1096
[Page extract]
Ultimate Tensile Strength
What it is, how to measure it, and why it matters
Ultimate tensile strength (UTS) is a critical property used to determine how materials behave under tension. It defines the maximum stress a material can withstand before breaking.
1097
[Page extract]
Compression
Compression testing is a way of determining how something will react when a compressive force is applied to it. It typically involves measuring the relationship between the applied force and how much the object deforms.
It is performed to:
1098
Sensor
Sensors - Helixa
Torque sensors
The HTC range of interchangeable torque sensors are specially adapted for the Helixa test system. Plug and play for automatic calibration with availability to suit all requirements in capacities from 0.1 N.m (0.9 lbf.in) to 6 N.m (50 lbf.in…
1099
[Page extract]
Understanding compressive and tensile forces
Insertion and withdrawal testing focuses on two key force measurements:
1100
Accessory
Medium Vice Grip - Single Action, 2.5 kN, 10mm opening, QC-20 fitting
Mec240k
MEC 240k (body only):
A Single-action Medium Vice Grip allowing one jaw to be manually set in a position to align a test specimen around the central axis. The other jaw is freely adjustable to mechanically clamp the specimen in place.
Rated to 2.5 kN…