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Universal Data Acquisition System Controls Hydraulic Pressure Test

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CLEVELAND - eTradeWire -- Delphin Expert Key Helps Ensure High Product Quality

Data acquisition systems have helped to increase quality control and cut costs in a wide range of manufacturing fields. One customer who discovered this was a leading hydraulic tube and fitting manufacturer in India. Their company produced many different types of pipe fittings and exported up to 90% of their products to customers around the world. By using a data acquisition system with a custom software application to monitor a hydraulic pressure test, they were able to optimize a rotary flex test procedure and deliver a better product.

To ensure a high-quality product, it was necessary for the manufacturer to perform both pressure and leakage tests on samples from each production lot. The quality engineers performed a rotary flexure test of the hydraulic joints and fittings in accordance with the ASTM F-1387 standard.

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These tests were performed in a precise sequence: the rotary flex joints were first mounted to a 12mm-diameter tube which measured 6 inches long. This assembly was then mounted to a support rest on one side and to a rotating spindle on the other side.


For this test bench application, the manufacturer installed a Delphin Expert Key 100L USB/Ethernet Data Acquisition System along with Delphin's ProfiSignal Klicks software. ProfiSignal Klicks was installed on a PC that controlled the stand to allow data acquisition and test automation. The Expert Key offers both USB and Ethernet communications options; in this case, USB was used because of the short distance between the PC and the DAQ system.


A ProfiSignal Klicks application with the user interface shown below (main screen) was created to allow the test engineer to operate the test bench and ensure that the measurements were compliant with the requirements of F-1387. The engineer could specify the part number and lot number of the product currently undergoing testing.

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With the click of another button, he could then start the test cycle and begin recording data.


The Expert Key 100L provided the manufacturer with an all-in-one box, easy-to-use solution for automating their test stand. With its complement of analog and digital input and outputs, it was able to measure all of the signals from the different sensors and provide the necessary control for the test. Using the Profisignal Klicks software they were able to create an application to measure and display all of the required data and automatically generate the test reports.

For more information on Delphin Data Acquisition Systems, monitoring a hydraulic pressure test or to find the ideal solution for your application-specific needs, contact a CAS DataLoggers Application Specialist at (800) 956-4437 or visit us at https://www.dataloggerinc.com.

CAS DataLoggers
Elizabethe Zala

Source: CAS Dataloggers
Filed Under: Industrial

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