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Solution of steam pipe leakage test

This time, a coffee machine manufacturer is looking for a leak test solution from Harris technology. The customer needs to conduct a leak test on the steam pipe. Customers hope that Hercules technology can customize the best leakage test scheme according to the characteristics of the steam pipe of the coffee machine, and produce the corresponding steam pipe leakage tester for production detection. The following is the sharing of the solution.

1、 The importance of sealing the steam pipe of coffee machine

Taking coffee and making coffee milk bubbles need to be completed through the steam pipe of the coffee machine, but the steam pipe is in the high temperature and high pressure working environment in the coffee machine, so it is required to have a certain degree of sealing, maintain the normal working pressure of the coffee machine, and prevent the leakage of steam and boiling water in use, so as to ensure the safety of users.

2、 Key points of leakage test for steam pipe of coffee machine

After in-depth understanding of the customer's coffee machine steam pipe, we found that pressure should be considered in the coffee machine leakage test. Secondly, due to the problem of steam pipe modeling, we need to use the mold for auxiliary testing.


Steam pipe of coffee machine for leak test this time

3、 Solution of leakage test

This time, Harris technology adopts direct test. First, a specific mold is customized for the steam pipe, which is used to fix the object to be tested. One end is sealed, and the other end is left as an inflation port. Then, the tooling connected with the gas source will inject a certain volume of gas into the steam pipe, and then disconnect the compressed air supply of the components (the valve is closed), and keep the pressure stable for a period of time. Here, the working pressure of the steam pipe should be considered, and the pressure change should be measured after a given measurement time, and the tightness should be determined by the leakage. The tester can support leakage test, blocking test, positive pressure test, negative pressure test and so on. The test range is wide, and users can choose according to their own test needs.

4、 Display of steam pipe leakage tester of Harris Technology


5、 Details of steam pipe leakage test




6、 Brief introduction of basic functions of steam pipe leakage tester

1. Large size touch screen is used as the human-machine interface, which can easily monitor the test results and set various parameters in the process of waterproof test.

2. It has the alarm function of qualified and unqualified products, which can eliminate the possibility of manual misjudgment and misinspection.

3. With 4-way switch input and 8-way relay output, it can accept the control of external sensors and switch buttons, and can control the external relay, solenoid valve and other executive components, which is convenient to realize the full automation of the test.

4. The tester has 200 user subroutines. By setting the parameters of the subroutines on the touch screen, the user can connect different subroutines in series to form a test process. Through the I / O interface of the leakage tester, the leakage tester can receive the control signals from external sensors and control the external actuators (relays, solenoid valves, etc.). So as to realize the automation of the test process.

5. With test data recording function, test data can be downloaded to U disk and displayed by computer.

6. With barcode scanning function, it can track and record defective products and repair situation; The function of upper computer.


Function interface of Harris technology steam pipe leakage tester

The above content is the explanation and sharing of the leakage test scheme of Harris technology. At present, the steam pipe leakage tester has entered the stage of mass production, and will be put into use in the production line soon.

All the contents of this article are original by Harris technology, reprint and false original are prohibited, and any violation will be responsible for the consequences.

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