Search results
1076
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.
1077
[Page extract]
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.
1078
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.
1079
[Page extract]
Construction
Mecmesin systems and gauges are designed for the application of international and industry standards for quality and safety...
1080
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.
1081
[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.
1082
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.
1083
[Page extract]
Testing equipment and procedures
Compression testers with parallel platens apply controlled loads at specified rates.
1084
[Page extract]
Challenges and considerations
Even with well-defined standards, tear resistance testing can be influenced by:
1085
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?
1086
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.
1087
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.
1088
[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
1089
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.
1090
Case study
Synthetic sports surface tuft binding
Customised engineering example
Test method standard BS ISO 4919 applies to the tuft withdrawal force of carpets.
1091
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).…
1092
[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
1093
[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.
1094
[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:
1095
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…
1096
[Page extract]
Understanding compressive and tensile forces
Insertion and withdrawal testing focuses on two key force measurements:
1097
Accessory
Scissor Grip, 50 kN, QC-32 fitting
Mec11-50
MEC11-50 (Body only) :
Scissor-action grip rated to 50 kN fitted with QC-32 connection. Locking function allows grip to remain open when inserting specimen.
Spring tension provides enough clamping force to prevent the specimen from slipping when…
1098
Accessory
MLTE 1200 Long Travel Extensometer
432-843
The MLTE 1200 Long Travel Extensometer is designed to be used with Mecmesin test systems when running VectorPro MT materials testing software. It accurately measures strain directly from the test specimen to enable the most accurate calculation of the…
1099
Accessory
Rubber jaws for Mec83 U-Form Pneumatic Vice Grip, 5 kN, 40 x 100 mm
Mec83-BG100
Rubber-faced Jaws (40mm x 100mm) - nickel-plated having 1mm thick layer of nitrile rubber coating.
Opening span = 0-10mm, 10-20mm or 20-30mm depending on which rod and piston are fitted to the Mec83 body.
For fragile samples, which may get weakened by…
1100
Accessory
Heavy-duty Vice Grip - Single Action, 20 kN, QC-20 fitting
Mec154-20
MEC 154-20 (body only - steel):
A Single-action Heavy-duty 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.…