Search results
76
Caso de estudio
Cosmetics tin label peel
Customised engineering example
Testing the adhesive peel strength of packaging labels applied at the post-production stage is more representative of their performance than at the label production stage.
77
Caso de estudio
Hygienic disposal bin closure testing
Customised engineering example
A manufacturer of hygienic disposal bins came to us with a nappy (diaper) disposal unit fitted with a rotary intake mechanism.
78
Caso de estudio
Cosmetics brush pull-out testing
Customised engineering example
Our client is a major cosmetics company using a variety of brushes, make-up wand and applicator designs for all applications and wished to tensile test the integrity of the bristles.
79
Caso de estudio
Luer lock fastening and release torque
Customised engineering example
Luer lock test standards frequently call for measuring torque whilst simultaneously applying a pre-defined axial force.
80
Caso de estudio
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.
81
Caso de estudio
Glass syringe Luer lock attachment pull-off
Customised engineering example
Polycarbonate Luer Lock adapters are push-fitted to glass syringe nozzles with a friction fit. Quality assurance demands that they cannot come free under normal use.
82
Caso de estudio
Tea bag integrity
Customised engineering example
Some of the simplest applications may not seem so obvious when you face them. A string and tab on a tea bag?
83
Caso de estudio
Electrical connector insertion and withdrawal forces
Customised engineering example
Push-fit electrical connectors with hole or dimple detents (also known as 'spade terminals') must offer a firm but practical fit.
84
Caso de estudio
Syringe plunger breakaway and glide force
Customised engineering example
The majority of syringes are single-use, disposable and manually-operated.
85
Caso de estudio
Wall-mounted air freshener destructive loading evaluation
Requirement
The customer wished to apply a controlled load of 350N to a wall mounted air freshener, replicating the effect of a child standing on it. The load needed to be applied in turn to 4 different planes on the product, e.g.
86
Caso de estudio
90 degree peel test filter paper
Customised engineering example
Floating roller peel jigs are regularly used for testing laminates where the backing sheet is rigid and the facing sheet is flexible (e.g. security cards)
87
Caso de estudio
Automotive steering components
Customised engineering example
Sometimes the dimensions of a component make force testing difficult to perform. Our client needed to test the sliding force of a bearing along the complete length of an automotive steering rack.
88
Caso de estudio
Electrical assembly component strength
Customised engineering example
Due to the complex, asymmetric shapes of electrical assemblies, it can be difficult to grip the soldered, fused and welded parts in a way that mimic the forces applied when in use.
89
Caso de estudio
Peel test of semi-rigid packaging for medical device
Customised engineering example
Our client needed to test the peeling quality of a Tyvek® paper lid used to seal a sterile, semi-rigid thermoformed plastic tray containing pre-filled syringes.
90
Caso de estudio
Injection moulded assembly integrity
Customised engineering example
Plastic injection-moulded subassemblies are often clipped or welded together, and the integrity of the whole must be tested at several points.
91
Caso de estudio
Syringe Luer lock attachment removal
Customised engineering example
Our client is a biomedical company who manufacture HA medical solutions supplied in glass syringes with compression-fit polycarbonate luer locks.
92
Caso de estudio
Catheter cap removal torque
Customised engineering example
Our client was testing the release torque of 20 mm long plastic catheter caps with irregular features to aid finger gripping.
93
Caso de estudio
Child safety - force to extract lighter
Requirement
The customer manufactures lighters and is currently developing a case/guard designed to increase the safety for children.
94
Caso de estudio
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.
95
Caso de estudio
Synthetic sports surface tuft binding
Customised engineering example
Test method standard BS ISO 4919 applies to the tuft withdrawal force of carpets.
96
Caso de estudio
Peel testing vacuum-formed containers
Customised engineering example
Semi-rigid thermoformed packaging, sealed by film or foil, is commonly tested by the '45-degree peel method'. This best represents how a person would open the package.
97
Caso de estudio
Child safety - force to access lighter
Requirement
The customer manufactures lighters and is currently developing a case/guard designed to increase the safety for children.
98
Caso de estudio
Seat belt locking device test
Requirement
The customer requested a system to measure the force required to release the locking mechanism of a car seat-belt whilst it is under tension.
99
Caso de estudio
Prueba de resistencia del conducto de cable
Ejemplo de ingeniería personalizada Nuestro cliente fabrica tubos y conductos para el enrutamiento de cables y fibras ópticas. La instalación de estos usos sopla, empuja y tira técnicas.
100
Caso de estudio
Semi-automated penetration testing into plasterboard
Customised engineering example
British Gypsum (now Saint-Gobain) carry out repetitive penetration tests to accurately assess the performance and durability of their products.