Search results
76
Case study
Helical torsion spring torque testing
Requirement
Spring-loaded components are used extensively in home and consumer goods: clothes pegs, clips and old-fashioned mousetraps; small doors and flaps on cameras or hi-fi equipment; large doors and closures such as those on garages or g
77
Case study
Lipstick tube force and torque testing
Requirement
Lipstick is by far the most popular cosmetic product with over 800 million tubes sold every year globally … and sales are resilient even during times of recession.
78
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Key methods of penetration resistance testing
Penetration resistance measures a material’s ability to resist intrusion by a probe or object under applied force without tearing, cracking, or losing functional integrity.
Applications include:
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Key methods of penetration resistance testing
Penetration resistance measures a material’s ability to resist intrusion by a probe or object under applied force without tearing, cracking, or losing functional integrity.
Applications include:
80
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How is top-load testing performed?
Equipment and setup
The essential equipment for a top-load test includes:
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Test standards for compressive strength
The main recognised standards for ring crush testing are:
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Methods used in ring crush testing
Two principal methods are recognised for RCT, each with specific advantages:
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Overview of common testing standards
Different materials and applications are covered by specific puncture resistance standards, each with its own apparatus and procedure.
84
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What is strip torque testing?
Definition and importance
Strip torque testing measures the torque required to continue rotating a threaded closure beyond its normal sealing point until the thread strips or the closure fails.
85
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Manual test stands
Manual test stands allow simple force testing when budgets are limited.
Lever-operated models enable rapid testing of tension and compression up to 500 N.
86
Sensor
VFTI - Force and Torque Sensors
Force and Torque sensors
The VFTI, AFTI, VFG and AFG are versatile force and torque indicators designed for use with the Mecmesin range of 'Smart' tension and compression loadcells and 'Smart' static and rotary torque sensors.
Readings are displayed as…
87
Product
Single-column force tester
MultiTest-i
805-201
The MultiTest-i is a versatile tensile and compression tester controlled by Emperor software running on a PC.
The single-column range fits neatly on your bench-top and is ideal for product testing applications according to your own test methods.
A wide…
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FAQs about shear modulus
How is shear modulus tested?
Shear modulus is measured through torsion testing or shear testing fixtures applied to solid or bonded samples.
89
Case study
Syringe testing to ISO 11040-4 Annex F needle penetration and drag
Requirement
The medical syringe is an extremely important device, delivering (parenteral) injectable products to the patient by means of a cylinder and plunger mechanism.
90
Page
Calibration
Mecmesin is committed to providing the highest level of after-sales service to our customers worldwide. To keep your force and torque testing equipment in top-class condition you can always rely on our team of distributors and regional offices.
91
Case study
Crush strength testing of catalyst pellets
Requirement
Catalysts are widely used in industrial processes where yield and time issues are critical to forming a product as soon as possible.
92
Case study
Worcester Polytechnic Institute (WPI) finds Materials Science's sweet spot
Two enterprising educators at Worcester Polytechnic Institute (WPI) in Massachusetts, USA, turn the study of Materials Science into an engaging, hands-on experience that some of their students simply call ‘amazing’. Having spent time with the Mecmesin…
93
Case study
Mineral wool insulation panel testing
Requirement
Mineral wool is a type of non-metallic inorganic material, comprising either stone or silica as its main ingredient.
94
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TAPPI T 456
TAPPI T456 is a test method that describes the procedure for the determination of the tensile strength of paper and paperboard after saturation with water.
95
Case study
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.
96
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ASTM E1012-12e1
It has been shown that bending stresses that inadvertently occur due to misalignment between the applied force and the specimen axes during the application of tensile and compressive forces can affect the test results.
97
Case study
Physiological measurement of joint strength
Requirement
The La Trobe University in Melbourne required a device to test the first Metatarsophalangeal joint, commonly known as the big toe. They wanted to compare different patients toe strength.
98
Case study
Powdered drink container - compressive strength & lid peel tests
Customised engineering example
An international supplier of a powdered hot-chocolate drink wanted to test several aspects of their packaging. The powder is packed in a plastic-capped, foil-sealed cardboard tube container.
99
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Key puncture resistance testing methods
Different materials and applications require different puncture testing methods. The two most common categories are high-force puncture testing and slow puncture testing.
100
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The concentric ring method
The most widely used approach to equibiaxial flexure compression testing is the concentric ring method. A circular specimen is supported on an outer ring and loaded through a smaller, concentric inner ring.