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At Seatallan, as well as producing a range of standard grips we also produce special grips and fixtures and also special testing machines. Below we have selected 3 examples of projects we have undertaken in the materials testing field that illustrate our capability and our commitment to producing satisfactory solutions to unusual problems.
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This example is for a falling weight machine to ASTM1234. The machine is for the impact testing of plastic pipes. The machine is pneumatically operated and controlled and safety interlocked to prevent accidental dropping of the weight.
A section of pipe is placed in the V block on the base of the machine, and the weight lifted to the preset height. The weight cannot drop until the safety guard is in place.
The hemispherical weight is released and radially impacts the pipe. The pipe section is then examined for failure. Drop height is adjustable up to 2 metres. This example was designed and built in our factory for an eastern block customer.
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Cling film is notoriously difficult to control and shape into a suitable sample for tensile testing.
This customer had purchased a sample cutter from another company but found the device difficult to use and it did not produce correct samples.
We were approached to design and manufacture a pair of cutters to produce 5 samples 15mm wide and up to 200mm long. Our design was drawn and produced in 6 weeks.
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There are several designs for falling dart machines to ASTM1234/BS2345 on the market, but our customer wanted a basic mechanical machine without the cost and complexity of vacuum or pneumatic systems.
We designed and produced this machine for him and it has been in continuous use for 3 years.
Again we have used this design to produce special machines for other customers.
Of course if you want vacuum hold-down or pneumatic clamping for thick samples then we can provide it.
We have yet to make a total energy model but we did repair one for a customer a few years ago.
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