Search results
1301
[Page extract]
Coefficient of friction (COF) explained
Understanding the COF formula
The coefficient of friction (μ) is a dimensionless value calculated as:
1302
Caso de estudio
Smoke grenade canister integrity
Customised engineering example
A manufacturer of smoke grenades required a means of testing the cap pull-off strength. The particular challenge was to grip the smooth metal cylinder for up to 5 kN of pulling force.
1303
Caso de estudio
Prueba de pelado de envases semirrígidos para dispositivos médicos.
Ejemplo de ingeniería personalizada Nuestro cliente necesitaba probar la calidad del pelado de una tapa de papel Tyvek® utilizada para sellar una bandeja de plástico termoformado semirrígido estéril que contiene jeringas precargadas.
1304
Caso de estudio
Clothing button pull-off TTF test
Requirement
The customer was a supplier to major UK clothing retailer Marks & Spencer, who stipulate that all fasteners and attachments must be tested to failure.
1305
Event
Texture Testing for Bakery Applications
The primary goal for using instrumentation to measure texture is to capture an objective value to something that is typically evaluated very subjectively. Texture cannot be controlled unless it measured in a consistent and repeatable manner.
1306
Página
Contact support
Thank you for contacting our support team
One of our Support Engineers or your local partner will be in touch soon.
1307
[Page extract]
Introduction to climbing drum peel testing
Climbing drum peel testing is a specialised method used to measure the adhesive strength between bonded materials, particularly in flexible-to-rigid substrate combinations such as aluminium skins bonded to honeycomb cores.
1308
Caso de estudio
Railcar spring testing
Requirement
Seoul Metropolitan Railway Transit Corporation required a system for testing a variety of springs in their electric railcars. The springs range in size from 3mm to 100 mm in diameter.
1309
[Page extract]
Peel test procedure - step by step
Prepare the specimen: Cut and condition according to the relevant standard.
Set up the machine: Install the correct fixture for the test type.
1310
[Page extract]
ASTM F3014-14
1.1 This test method describes the procedure for penetration testing sharp and blunt needles used for the placement of surgical sutures. It only describes the test procedures (Phase 1) and does not define a test medium at this time.
1311
[Page extract]
ISO 594-1
Specification of the requirements for conical (Luer) fittings for use with hyperdemic syringes and needles and with certain other apparatus for medical use such as transfusion and infusion sets.
1312
[Page extract]
How bridge torque is measured
Bridge torque is measured by applying rotational force to a closure until the tamper-evident bridges shear.
1313
Caso de estudio
Adhesive test on capsulated stoppers
Requirement
A capsulated stopper (T-top, Bar-Top or Altop®) is a natural or synthetic cork stopper where the end is glued into a cap of wood, PVC, porcelain, metal, glass or other material.
1314
[Page extract]
Key material testing standards
To ensure accuracy and comparability, elongation at break and tensile strength measurements are performed according to recognised industry standards.
1315
[Page extract]
ISO 4049
This document specifies requirements for dental polymer-based restorative materials supplied in a form suitable for mechanical mixing, hand-mixing, or intra-oral and extra-oral external energy activation, and intended for use primarily for the direct or
1316
[Page extract]
Industry standards and customisation
Alignment with recognised standards
Mecmesin systems support compliance with globally recognised testing standards, including:
1317
[Page extract]
Key testing methods
Different materials require different approaches to compressive hardness testing. The most common methods are:
1318
Caso de estudio
Fuerza adhesiva de unión de paneles de construcción.
Requisito SIPS Frames UK Ltd (SIPS Eco Panels) es uno de los principales fabricantes independientes de sistemas de paneles aislantes estructurales del Reino Unido, para su uso en la construcción de casas de kits por autoconstructores.
1319
[Page extract]
ASTM D7257-06
This test method of applying force may be used as a standard test to compare the characteristics of a given design of container/child-resistant closure system with a standard or to compare the characteristics of container/child resistant closure systems
1320
Caso de estudio
Cardboard beverage bottle carrier unfolding
Customised engineering example
A manufacturer of fully-enclosed cartons wanted to quality test the fold-out force for a variety of their designs, used mainly to package drinks bottles and cans.
1321
[Page extract]
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.
1322
[Page extract]
Industry-specific testing solutions
Strain at maximum stress testing is relevant wherever materials are expected to endure high loads without unacceptable deformation.
1323
[Page extract]
Students meet the Mecmesin MultiTest
Having spent time with the Mecmesin team and seen their material testers in action, WPI opted to invest in three Mecmesin MultiTest 2.5-dV testers.
1324
[Page extract]
BS EN ISO 844
ISO 844 specifies a method of determining a) the compressive strength and corresponding relative deformation, or b) the compressive stress at 10 % relative deformation, and c) when desired, the compressive modulus of rigid cellular plastics.
1325
Event
Tensile Testing for Wiring Harness Connections
The only way of really knowing the strength of a crimped terminal is to pull it. This can reveal production problems, where strand nicks, incorrect crimp height, or effects from changes in terminal supply, may not be clearly apparent.