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Introduction to breaking torque tests
Breaking torque testing, also known as torque-to-failure is a critical mechanical test used to determine the point at which a component or assembly fails under rotational force.
877
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Step-by-step guide to conducting a CMT test
Prepare the specimen - Cut to size with clean edges, ensuring flutes remain undamaged, and condition as per the standard.
Calibrate the equipment - Check the load cell and platen alignment.
878
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Understanding compressive properties
Compressive properties describe how a material responds to being pressed, squeezed or compacted.
879
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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.
880
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Pharmaceuticals
The pharmaceutical industry is tightly controlled and subject to strict regulations, which means that testing is often at the heart of demonstrating compliance to the various international standards which govern the industry.
881
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Understanding test standards: industry-specific requirements
To maintain consistency and reliability, compressive strength tests are often governed by established standards.
883
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How is ultimate compressive strength tested?
Equipment and procedure
Testing is typically performed using a universal testing machine (UTM) fitted with flat or contoured
884
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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.
885
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What is 180 degree peel testing
The 180 degree peel test is a recognised method for measuring the strength of adhesive bonds when a material is peeled back on itself at a constant angle of 180 degrees.
886
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Shear modulus equation
Shear modulus (G) and Young’s modulus (E) are both measures of a material’s stiffness - but under different types of loading.
887
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Flat crush of corrugated medium (CMT test)
The flat crush test, also known as the Concora Medium Test (CMT), measures the maximum force a corrugated medium can withstand before flute collapse. In CMT testing, the medium is first formed into flutes using a laboratory fluter before testing.
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ISO 34-2 standards explained
ISO 34-2 specifies the Delft tear test procedure for vulcanised or thermoplastic rubber, ensuring testing is carried out under consisten
890
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How is torque testing in packaging performed?
Torque testing can be carried out using manual or automated methods, depending on production volume, precision requirements
891
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Step-by-step test methodology
Preparation
Sample selection - Choose representative specimens, avoiding faults unless deliberately testing them.
Specimen cutting - Cut to standard dimensions with a central slit of specified
893
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Importance of child-resistant closures
Child-resistant closures are a critical safety feature for packaging containing pharmaceuticals, che
894
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Understanding reverse ratchet torque
Reverse ratchet torque testing is an essential process for verifying the safety and reliability of child-resistant closures (CRCs).
895
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TAPPI T 824 standard
Overview of the standard
TAPPI T 824 is the internationally recognised standard that specifies the procedures, equipment requirements, and specimen preparation methods for conducting
896
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Bearings, rollers and gears
Rollers and bearings are intrinsic components of assemblies which move products horizontally, vertically, on an incline or decline, overhead, sub-floor, around obstacles and over long distances.
897
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Importance of ergonomic strength testing
Ergonomic strength testing is essential for ensuring that human performance matches task requirements. This alignment reduces the risk of musculoskeletal injuries and improves long-term health outcomes.
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Power your torque testing
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900
Product
Universale Prüfmaschine
OmniTest 5 und 7.5
820-005
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