TPT March 2011

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March 2011 67 ›
Technology Update
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In-field tensile
tester
THE new McElroy In-Field Tensile Tester gives contractors and
pipeliners the ability to quickly and accurately test high-density
polyethylene (HDPE) butt fusion joints in the field.
In the past, quality assurance testing of butt fusion joints
required cutting part of a completed joint out of a pipeline and
sending that test sample to an off-site laboratory. The results
of the testing would then take hours or days to return. Another
popular testing method, the bend-back test, requires specialised
tooling and procedures to be performed safely on thicker pipes.
With the In-Field Tensile Tester, a hand-pump system safely
tests coupons from pipes sized 2" IPS (63mm) and larger.
The In-Field Tensile Tester also incorporates a template that is
attached to the pipe to create a coupon through the use of a
drill and reciprocating saw. The coupon is then inserted into the
hand-pump tensile test unit, which performs a destructive test to
qualitatively pass or fail the joint.
“The In-Field Tensile Tester is an exciting new product that
is generating some buzz because there’s nothing like it on the
market,” commented Chip McElroy, president of McElroy. “The
appeal of the device is that it is light enough to be loaded into a
pickup truck, taken out to the site, tested, with a quick pass or fail
determination on the quality of the fusion joints being made.”
The device is patent pending, but is available now through
McElroy’s distribution network.
McElroy – USA
Fax: +1 918 831 9256
Email:
Website:
Cutting machine
ROLF Schlicht GmbH, Germany, has developed and delivered a
cutting machine constructed to the customer’s needs. The flexible
plant offers advantages, especially concerning rigid profiles such as
scanner strips made of rigid PVC or ABS, where the user is looking
to produce quickly and cleanly, without expensive subsequent
processing, whether inside or outside the extrusion line.
The new machine features a caterpillar in-feeder type
RB-600/100, which is equipped with a stop/start or continuous
operation, with a sensor system to detect the product, and the
possibility to return remaining pieces from the plant. This allows
automatic operation in which the only task of the operator is to
place the profiles.
A pre-warming station cares for the necessary warming-up,
so that the cut is performed clean and without white breakage.
During a stoppage the pre-warming station automatically runs into
a parking position in order to eliminate the risk of over-heating of
the profiles. The rotation cutter MC-80 provides a clean, exact
cut without burr. Discharge systems convey the cut pieces into
respective commissioning boxes.
Rolf Schlicht GmbH – Germany
Email:
Website: