Search results
401
[Page extract]
Plastic components and sub-assemblies
The successful design and production of plastic components requires careful attention to be paid to many elements. The choice of plastic material depends on the desired performance characteristics - will parts be under constant load?
402
[Page extract]
How is the trapezoidal tear test performed?
A standard trapezoidal tear test follows a consistent sequence:
403
Case study
Closure torque validation
Requirement
The customer had a number of Tornado closure torque testers, and wished to carry out regular validation checks without the need to return the units to either Mecmesin or an approved laboratory.
404
Case study
Train door safety override testing
Customised engineering example
A UK train operator needed a method of testing how sensitive are the carriage sliding doors to detecting an obstacle when closing or opening.
405
[Page extract]
Torque testing
Torque testing is a way of determining how an object will react when it is being turned - during normal operation or being twisted until it deliberately fails or breaks.
406
[Page extract]
Calculating secant modulus
Accurate calculation requires stress-strain data, typically obtained from tensile, compressive, or
407
Case study
Child resistant closures (CRC) mandrel
Customised engineering example
Child Resistant Closures (CRC) require sufficient vertical force to activate the CR locking mechanism prior to torque being applied.
408
Case study
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.
409
Case study
Custom vice for peel adhesion testing
Customised engineering example
A leading manufacturer of upholstery, used in vehicles and aircraft, needed to test the peel adhesion strength of leather bonded to metal.
410
Case study
Pharmaceutical sachet burst strength
Customised engineering example
Plastic sachets with welded seams are frequently used for measured applications of liquids, creams and gels.
411
[Page extract]
Tensile deformation and its significance
Tensile deformation occurs when a material is stretched by an axial load, causing it to elongate.
412
[Page extract]
Understanding flexural strength
Flexural strength (modulus of rupture) refers to a material’s resistance to deformation under load.
413
Accessory
Rubber jaws for Mec83 U-Form Pneumatic Vice Grip, 5 kN, 60 x 200 mm
Mec83-BG200
Rubber-faced Jaws (60mm x 200mm) - nickel-plated having 1mm thick layer of nitrile rubber coating.
Opening span = 0-10mm, 10-20mm or 20-30mm depending on which rod and piston are fitted to the Mec83 body.
For fragile samples, which may get weakened by…
414
Accessory
Rubber jaws for Mec83 U-Form Pneumatic Vice Grip, 5 kN, 40 x 100 mm
Mec83-BG100
Rubber-faced Jaws (40mm x 100mm) - nickel-plated having 1mm thick layer of nitrile rubber coating.
Opening span = 0-10mm, 10-20mm or 20-30mm depending on which rod and piston are fitted to the Mec83 body.
For fragile samples, which may get weakened by…
415
Accessory
Rubber jaws for Mec83 U-Form Pneumatic Vice Grip, 5 kN, 40 x 60 mm
Mec83-BG
Rubber-faced Jaws (40mm x 60mm) - nickel-plated having 1mm thick layer of nitrile rubber coating.
Opening span = 0-10mm, 10-20mm or 20-30mm depending on which rod and piston are fitted to the Mec83 body.
For fragile samples, which may get weakened by…
416
Event
Packaging: Edge Crush & Carton Crush testing
The Edge Crush Test (ECT) and Carton Crush Test (CCT) are codified international test methodology. They are used in the packaging industry to assess the strength and durability of corrugated boxes or paperboard materials and others.
417
Event
Tensile Testing: Extension, Elongation, Force & Failure
The primary objective for measuring and analyzing the the tensile force value of a product is to accurately determine one or more of these factors:
418
Accessory
Heavy-duty Vice Grip - Single Action, 20 kN, QC-20 fitting
Mec154-20
MEC 154-20 (body only - steel):
A Single-action Heavy-duty Vice Grip allowing one jaw to be manually set in a position to align a test specimen around the central axis. The other jaw is freely adjustable to mechanically clamp the specimen in place.…
419
Accessory
Peel Grip for FPT-H1, 50 mm rubber-faced jaws, QC-8 fitting
432-654
This Peel Grip can be used in conjunction with the FPT-H1 90 degree peel fixture kit (part no. 432-620) or the FPT-H1 180 degree peel fixture kit (part no. 432-636). It is preferred over the standard hook fixture when the drawn part of the sample is non-…
420
Accessory
Heavy-duty Vice Grip - Single Action, 20 kN, QC-20 fitting
Mec154-20
MEC 154-20 (body only - steel):
A Single-action Heavy-duty Vice Grip allowing one jaw to be manually set in a position to align a test specimen around the central axis. The other jaw is freely adjustable to mechanically clamp the specimen in place.…
421
Accessory
Digital Height Scale and Brackets for LCP/S Test Stand
432-162 V01
Digital Height Scale and Brackets for mounting to the lever-operated Manual Test Stand model LCP/S.
The digital display of the height-scale is fixed to the moving crosshead of the test stand so that it's displacement can be monitored. This is often…
422
Accessory
Dovetail Bracket for AFG or BFG
432-427
The dovetail bracket is used for mounting the Advanced Force Gauge (AFG) and Basic Force Gauge (BFG) to test stands. It allows the operator to precisely align the gauge on the stand. Supplied with fixing screws.
Note: maximum load 2500 N
423
Accessory
Heavy-duty Vice Grip - Single Action, 10 kN, QC-20 fitting
Mec154-10
MEC 154-10 (body only - aluminium):
A Single-action Heavy-duty Vice Grip allowing one jaw to be manually set in a position to align a test specimen around the central axis. The other jaw is freely adjustable to mechanically clamp the specimen in place…
424
Accessory
Dual Footswitches (locking type) for pneumatic grips
Mec205-2
Pneumatic grips are the ideal choice when performing tensile tests on sensitive materials that have a tendency to slip or break at point of clamping.
Mec 205-2:
Locking dual footswitches open the jaws of the grip by pressing the foot pedal and remain…
425
Accessory
Thin Wire Grip with carrier for inset jaws, 2.5 kN, QC-20 fitting
Mec9
MEC9 Thin Wire Grip
Designed to hold wires or cords when tensile testing up to 2.5 kN.
The specimen is initially wrapped around a bollard and then secured by manually clamping between either blank or diamond-coated jaws. The Mec9 is supplied with the…