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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.
227
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Introduction to pull-off and pull-out testing
Pull-off and pull-out testing are widely used to measure the strength, durability, and reliability of materials, adhesives, coatings, and mechanical fixings.
228
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Standards for yield point testing
Yield point testing protocols are defined by recognised international standards, including:
229
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Understanding test standards: industry-specific requirements
To maintain consistency and reliability, compressive strength tests are often governed by established standards.
230
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Step-by-step needle penetration testing process
Sample preparation
Specimens are cut to the required dimensions and conditioned to the specified environmental parameters such as temperature and humidity. Thickness and surface finish are controlled for consistency.
231
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Simplify data analysis in force, materials and torque testing
Test calculations are the values derived from raw measurement data, such as peak force, torque angle, or modulus of elasticity. With advanced software, these are now calculated instantly and with high precision, replacing error-prone manual methods.
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The process of tension testing
Tension testing follows a defined process to ensure accuracy and repeatability:
233
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Key material testing standards
To ensure accuracy and comparability, elongation at break and tensile strength measurements are performed according to recognised industry standards.
234
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Types of compressive shear tests
Test configurations vary according to the material, application, and relevant industry standard.
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How is double lap shear testing performed?
Specimen preparation
Specimens are prepared according to standardised dimensions.
236
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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.
237
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Relevant standards for lap shear under compression
International testing standards provide consistency and repeatability for adhesive strength tests, including those involving compressive loading. The following standards are particularly relevant:
238
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Selecting compression testing equipment
Choosing the right testing system is critical for accurate and repeatable results. Factors such as force range, sample type and testing throughput influence equipment selection.
239
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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.
241
Product
Manual test stand
MDD Precision Handwheel
804-001
Manually-operated test stands are compact, portable, and can be bench-mounted for ergonomic use.
Combine with any Mecmesin digital force gauge to measure tension and compression up to 1000 N.
Force gauge sold separately.
242
Accessory
Spare set of 15 needles for Shotcrete Penetrometer
432-519
Set of 15 Penetration Needles for use with the Mecmesin Shotcrete Pentrometer.
Needles fit into the needle-holder supplied as standard with the Shotcrete Penetrometer
243
Product
Touchscreen force and torque indicator
VFTI
850-610
A powerful and versatile touchscreen display unit for use with Mecmesin's 'Smart' range of interchangeable force and torque sensors. Ideal for testing where high accuracy and flexibility are key requirements.
The VFTI , powered by Vector OS, instantly…
244
Product
Precision automated torque tester
HelixaPro
876-450
The HelixaPro is a precision torque tester controlled by VectorPro software running on your computer.
245
Case study
Pharmaceutical tablet crush and break strength
Requirement
Many products come in tablet form, with a durability designed for both packaging and for use. Too brittle or too hard, and they may not be fit for use, or at best perform below expectation.
246
Case study
Lipstick shear force resistance
Requirement
Lipstick holds the top spot in the hierarchy of makeup with its ability to completely transform appearance without the help of any other beauty product.
247
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How these calculations are applied
These values are calculated instantly as part of the test routine. Predefined formulas and logic conditions are applied to the captured data, delivering results in real time.
Applications include:
248
Case study
Syringe pump calibrator
Requirement
Medical device manufacturers, Cardinal Health, supply a range of syringe pump infusion systems to hospitals.
249
Case study
Hypodermic needle sharpness testing
Customised engineering example
Hypodermic needles are tested to determine how their design influences the ease of insertion into the skin, patient pain and skin trauma.