Project Background
Steel pipe hydraulic test machines (hydraulic presses for short) are large-scale automated testing equipment widely used in the steel pipe industry. Their purpose is to test the sealing of the pipe body and detect steel pipe defects. The American Petroleum Institute (API) and Chinese national standards both require the use of hydraulic presses for hydraulic testing to verify whether steel pipes meet the corresponding quality grades. Traditional hydraulic presses have low detection efficiency, short service life of sealing rings during steel pipe hydraulic testing, and a low degree of automation.
A Malaysian user requested the procurement of a six-station hydraulic test machine with independent curve detection and an automatic substandard spray painting system.
Project Introduction
The number of test stations has been increased, improving detection efficiency. Each steel pipe can be tested independently, outputting an independent test pressure curve. Substandard pipes are automatically spray-coded and identified. It has the advantages of non-destructive testing of steel pipes, fast rhythm, etc. The operation process is controlled by PLC, with a human-machine interface, original data storage, system parameter setting, independent pressure curve display, operating status display, counting, and printing functions, making it efficient, stable, and easy to maintain.
Each steel pipe can be tested independently; it is not necessary to gather steel pipes from all stations before testing; independent station structure design and loop system design.
A brand-new independent testing system structure is adopted; one hydraulic press functions as six, with independent channels and valve systems for each loop.
Independent high-pressure supply systems are set for different loops; low-pressure water has independent on-off valves, and independent pressure testing can be performed for each station.
Outputs independent test pressure curves; each test station displays an independent pressure curve on the screen.
An automatic spray painting system with solenoid valve control is added.
Project Value
Improve equipment production efficiency through automation.
Independent curves allow hydraulic testing of steel pipes at any station.
Automatic spray painting detects substandard steel pipes
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