Tightness testing from beginner to proficient: Frequently asked questions and solutions

Imagine that a seemingly inconspicuous airtightness leak caused the product you worked hard to develop to "leak" at a critical moment - data shows that more than 60% of industrial equipment failures are related to sealing problems, and these problems can often be discovered in the early stages of production.Have you ever had a headache due to the "mystery" of seal detection?Don’t worry, today Hai Ruisi will take you from entry to proficiency and unlock the secret of sealing testing.We will talk about common problems and practical solutions in the most down-to-earth way, so that you can avoid detours and get to the point of pain.Next, you will see real money experience sharing, are you ready?

1. Why is sealing test so “difficult”?

Tightness testing sounds simple, but it feels like "looking at flowers in a fog" when done.Why?Because it is not as straightforward as screwing, but involves multiple variables such as pressure, temperature, material properties, etc.For example, Xiao Wang is a novice engineer. He tested the air tightness of an auto part for the first time and connected the equipment with great expectations. As a result, the instrument alarmed and the air leakage location could not be found.It was later discovered that the test pressure was set too high and the gasket was directly deformed.This kind of "excessive force" example is too common.Many people think that testing is just about "connecting the machine", but in fact, there is knowledge hidden in every step of parameter setting, environmental control, and even equipment debugging.Have you ever encountered similar confusion: You clearly followed the instructions, but you still made mistakes?This is the difficulty of sealing testing - it tests not only technology, but also patience and insight.Later in this section, we’ll talk about how to avoid these “newbie pitfalls.”

2. Frequently Asked Questions 1: What should I do if there is air leakage but the source cannot be found?

Not being able to find the source of air leakage is like a detective solving a case but missing key clues, which makes people crazy.For example, Lao Li, when he was testing a water pump casing, the instrument showed leakage, but he checked it over and over again, but the surface was clean.Later, an engineer from Haireisi came up with a suggestion: It might be a tiny crack that was causing the problem.This situation is especially common on plastic parts or welded parts because it is difficult to detect with the naked eye.The pain point is obvious: if you can’t find the leak, you can’t fix it, let alone ensure product quality.what to do?The first is to change the idea and brush the surface with soapy water to see if there are any bubbles emerging; the second is to use professional tools, such as Hirays' ultrasonic detector, which can accurately locate to the millimeter level.Have you ever encountered this "invisible air leak"?Don’t worry, I will give you more specific tricks later to make sure the air leakage has nowhere to hide.

3. Frequently asked questions 2: The test results are unstable, high and low?

The test results are like riding a roller coaster. One moment it meets the standard, and the other moment it exceeds the standard. Who can bear this kind of "emotional ups and downs"?This happened to Xiao Zhang. When he was testing a batch of valves, the results were different three times in a row. He almost doubted his life.Later, it was discovered that the problem lies in the ambient temperature: it is cold in the morning and hot at noon. The material expands with heat and contracts with cold, and the sealing property naturally changes accordingly.What users fear most is this uncertainty, because it directly affects productivity and trust.There are many similar situations, such as the equipment not being preheated and the air source being unstable, which may be the "culprit behind the scenes".If you want to solve this problem, it is like telling a story to a child before going to bed. You must first stabilize the "emotion" - from the environment to the equipment, every step must be done steadily.Next, we will teach you a few tricks to make the results as stable as an old dog.

4. Frequently Asked Question 3: The detection efficiency is low and the time cost is high?

Time is money, and detectable inefficiency is like "burning money."For example, Xiao Liu is responsible for a production line and has to test hundreds of parts every day. As a result, an old equipment takes 5 minutes to run at a time, and he is still working overtime until late at night.The most frustrating thing is that when the customer urges the goods, he can only stare.This pain point is all too real: slow manual operation, outdated equipment, and cumbersome processes. Which one is not holding you back?Hai Ruisi has seen too many cases like this, and we have found that the key to improving efficiency is to "reduce complexity into simplicity."For example, use automated testing equipment instead of manual testing, or optimize the testing process and change serial to parallel.Have you ever wondered: Is there a faster way?Don’t worry, the following suggestions will help you get twice the result with half the effort.

5. From Beginner to Master: Overview of Practical Solutions

After talking about so many issues, now it’s the turn of the “dry stuff” to come on stage.The following are 5 practical suggestions summarized by Hirays for you. Each of them comes with a small example or metaphor to help you get started quickly and double your efficiency:

1. Choosing the right tool is like picking a handy weapon
   Don’t underestimate the choice of equipment. For example, using Hirays’ air tightness detector, you can locate leaks as thin as a hair, saving time and worry.Just imagine, manually swiping soapy water or using an instrument to produce results in one second, which one would you choose?
2. Parameter settings should be "tailored"
   Don't pile up the pressure all the time and crush the gasket like Xiao Wang did.Before testing, first check the material's tolerance range. For example, rubber parts generally do not exceed 0.5MPa. If you know it well, it will not roll over.
3. Keep the environment stable and don’t let the “weather” mess it up
   Like Xiao Zhang’s lesson, temperature changes are the enemy.It is recommended to preheat the equipment for half an hour before testing, or to control the temperature of the test room at around 25°C, so that the results will be naturally stable.
4. Process optimization is like straightening out a ball of yarn
   Xiao Liu’s overtime tragedy reminds us not to be obsessed with serial testing.Try parallel testing, or use Tansuo's automation solution to test 10 parts at a time, doubling the efficiency.
5. Regular maintenance to prevent problems before they occur
   Equipment is also like people, it needs a physical examination.For example, check the air pipe joints once a month to detect potential air leaks early to avoid leaks at critical moments.

Leave a comment and tell us which trick you’ve tried works best?

Conclusion: Hai Ruisi is with you, sealing is worry-free

From finding leaks to doubling efficiency, the road to sealing testing may not be smooth, but with these experiences and methods, don’t you feel a lot brighter? Hiraysi hopes to use technology to warm your daily production and make every part "fit perfectly". Whether you are a newbie or an experienced driver, we want to accompany you to turn problems into opportunities and turn trust into actions. Want to make sealing testing easier?Contact Hai Ruisi now to explore more possibilities together and make your products "tight" in the market!