Testing Thermoplastic Fabric

By -

Testing thermoplastic materials for puncture resistance is recognized as an important aspect for ensuring product quality as stated in the ASTM D4830 standard. Tinius Olsen’s test specific attachment, the model S348, implemented on a H5K-S machine, is best suited for this test. The configuration complies with the key test parameters of ASTM D4830, having a tensile testing machine, ring clamp attachments capable of clamping without slippage, and solid steel rod with hemispherical end & hardness range of 50 to 60 HRC. A specimen of the fabric is clamped between grooved, circular plates of the ring clamp attachment, which is itself secured in an H5K-S tensile testing machine. A steel rod, attached to a load cell in the movable cross-head of the tester,  is lowered onto the specimen at a constant rate until the specimen ruptures; the resultant rupture force, in N or lbf,  of the thermoplastic fabric is captured and reported.

Now what makes it even better is that the puncture attachment can be quickly and easily removed from the testing machine by simply loosening a locking ring and removing the locating pin. The testing machine can then equally quickly be configured for other tests, such as tensile and tear. It means that one testing machine can be used to fully quantify the strength and performance of thermo plastic fabrics in terms of puncture, tensile and tear strength, altogether. And the use of Horizon software makes it possible to get quick, accurate and reliable Test data.

Comments

Post a Comment

Popular posts from this blog

Grip Jaw Face Solution for Tensile Specimens Cut from Pipe

By -
Image
When conducting tensile tests on sections cut from pipes, be it plastic gas or water pipes or steel pipes, the resulting test specimen dumbbell or “coupon” shape (dimensions of which are defined by the relevant test standard be it ISO, ATSM, GB, GOST etc) exhibits the curve of the pipe, this means it cannot generally be held for the duration of the tensile test using flat parallel grip faces as the curvature of the specimen prevents a good amount of contact between the specimen and the grip faces. The solution is a grip face which mirrors the profile of the curve in the pipe (dumbbell or coupon specimen) a V on one side and radius on the other;   At Tinius Olsen we are able to precisely manufacture and supply such faces to mirror the radius of any curved specimen and implement in our tensile wedge action grips. The faces typically have a 2 mm pitch serration and hardened to 60RC in support of good specimen gripping. The faces are interchangeable for diff...
Read more

S274 - Mesh Weld Shear Test

By -
Image
This attachment is used to test the strength of the welds that hold mesh together. The mesh is often used as a reinforcement for concrete structures. as this is a structural component it is essential to test the consistency of the weld in any given section. A joint is cut from the mesh and placed in this attachment. A grip, the HW 14 is then placed on the end of the rod. a force of up to 50 kN is then applied and the shear strength of the weld measured. There is some adjustment in the design with a sliding plate that allows for different gauges of wire. The applicable standards are: BS4483, ASTM A185, ASTM A497 and ASTM A974. The testing application note for this grip is available from the resource area of our School of testing microsite or by clicking here .
Read more

Tinius Olsen Universal Testing Machine

By -
Image
Tinius Olsen H300KU with Horizon Software   Metals, Plastics, Composites all can be thoroughly tested and analysed on this triple camera extensometer Tinius Olsen work station– This is a truly a UNIVERSAL TESTING MACHINE from Tinius Olsen; 300K-U, 300kN load cell, 1000 degree C  furnace, -70 to 300 degree C chamber, 3 camera video extensometer system (cameras can be used together or individually), tie rods for threaded specimens, hydraulic tensile wedge grips, compression platens, flex bend attachment and Horizon touch enabled materials testing software. All the key parts and accessories are easily handled in and out of the test area using TO’s new accessory handling system – so all accessories are stored on the handling system ready to be simply pushed into place by the operator. Tinius Olsen Video Extensometer with zoomed in Furnace Tinius Olsen H300KU with Furnace Tinius Olsen Tensile Wedge Grip with Video Extensometer Tinius Olsen H300KU with Furnace ...
Read more