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1526
[Page extract]
Understanding TAPPI T 809 standard
TAPPI T 809 is an internationally recognised method for determining the flat crush resistance of corrugated medium.
1527
Accessory
Charger for digital gauges, Europe, 230 V, 2-pin round
304-004
For use with Mecmesin digital force and torque gauges. 220 Volt with 2 round pins. Commonly used in Europe, South America and Asia.
The mains adaptor/charger is a constant-current type:
Primary circuit: 230V – 50Hz
Secondary circuit: 100mA constant…
1528
[Page extract]
Key methods in shear stress measurement
There are several approaches to measuring shear stress, with rotational shear testing and torsion-based techniques among the most widely used.
1529
Case study
Insulation film stiffness testing
Customised engineering example
Familiar with three-point bending to test flexural strength properties?
1530
Accessory
Test Hook (medium), 500 N, 10-32 UNF
432-120
Medium Fixed Hook fitted with 10-32 UNF female thread. Used for general purpose tension tests.
1531
Accessory
1/2" Lower Chuck Assembly for use on Helixa motor spindle
432-616
A standard self-centering 3-jaw chuck with key. It has a maximum ½ " (12.7 mm) opening and is connected to the Helixa motor-drive spindle via an adaptor with quick-release grub-screw. Used to secure a variety of test specimens for torque applications of 1…
1532
Accessory
Rubber jaws for Mec240k Medium Vice Grip, 2.5 kN, 30 x 80 mm
Mec240k-BG80
Rubber-faced Jaws (30mm x 80mm) - nickel-plated having 1mm thick layer of nitrile rubber coating.
Opening span = see datasheet for various spans according to the grip body selected.
For fragile samples, which may get weakened by pinching at the contact-…
1533
Accessory
Charger for touchscreen digital gauges, Australia, USB-PD, 2-pin flat slant
304-060
For use with Mecmesin touchscreen digital force and torque gauges. With 2 flat slanted pins. Commonly used in the UK.
The mains adaptor/charger is a USB-A, USB-C type:
Input: 100-240V~50-60Hz 0.5A (USB-PD)
Output: 5VDC/3A or 9VDC/2.22A
1534
Accessory
Rubber jaws for Mec240k Medium Vice Grip, 2.5 kN, 30 x 80 mm
Mec240k-BG80
Rubber-faced Jaws (30mm x 80mm) - nickel-plated having 1mm thick layer of nitrile rubber coating.
Opening span = see datasheet for various spans according to the grip body selected.
For fragile samples, which may get weakened by pinching at the contact-…
1535
Case study
Torque operacional do instrumento cirúrgico laparoscópico
Exemplo de engenharia customizada Os instrumentos cirúrgicos endoscópicos e laparoscópicos são operados por ajustes axiais e rotativos no cabo, para realizar movimentos precisos na cabeça.
1536
[Page extract]
Real-world applications
Plastic bottles and closures
In beverage and household product manufacturing, top-load testing is essential to confirm that bo
1537
[Page extract]
Introduction to material mechanics
Material mechanics is the study of how materials respond to forces such as tension, compression, torsion and shear. It is a core discipline within engineering, underpinning design, manufacturing and quality assurance across many sectors.
1538
[Page extract]
ASTM F1306
ASTM F1306, is a test method, which permits flexible barrier films and laminates to be characterised for slow rate penetration resistance to a driven probe.
1539
Accessory
Interface cable, MultiTest-dV / Vortex-dV, USB
351-093
Interface cable connects MultiTest-dV or Vortex-dV to a PC for data-transfer to VectorPro Lite software.
Comprises USB-B to USB-A connectors.
1540
[Page extract]
ISO 34-1
ISO 34-1 measures tear strength test methods for rubber test samples. The test results in measurement of a materials resistance to tearing. Tear strength can also be used to monitor material anisotropy of a material.
1541
Accessory
Compression Plate, Nickel-Plated, 12 mm, 10-32 UNF
432-119
12mm nickel-plated compression plate fitted with 10-32 UNF female thread. Nickel-plated compression plates are resistant to rusting.
1542
Accessory
Split Mandrel for Stelvin aluminium closure, mechanical
PDV14161
Half-round jaws with wire-eroded faces, for use with Vortex upper fixing plate (432-321). Specify closure diameter when ordering.
1543
Sensor
Torque Sensors (ETS)
Torque sensors
The Enhanced Torque Sensors (ETS) range of interchangeable torque sensors are specially adapted for the HelixaPro and VortexPro test systems.
Plug and play for automatic calibration with availability to suit all requirements in capacities…
1544
[Page extract]
What’s their secret?
“Prior to joining our class, most of our students had no actual experience with materials testing, apart from what they saw in a textbook.
1547
[Page extract]
Introduction to compressive strength testing
Compressive strength testing is essential for evaluating the ability of materials to withstand axial loads, which are forces that push or pull them.
1548
[Page extract]
Industry-specific testing solutions
Strain at maximum stress testing is relevant wherever materials are expected to endure high loads without unacceptable deformation.
1549
[Page extract]
How peel wheel tests are conducted
Specimen preparation – The bonded material is cut to defined dimensions, ensuring uniformity of size and adhesive application.