What is the reason for the inaccurate welding time of the KIC furnace temperature test

Landlord: In response to the problem you said, let me explain it to you in detail!

First of all, I'm sure to tell you, it's a mistake when you choose KIC to test wave soldering. A salesman with a bit of a conscience at KIC will surely tell you that there is no advantage to KIC testing wave soldering. Then you will ask a question, why can't you measure wave soldering?

Here are a few problems that will occur when you test wave soldering with KIC?

1: Sometimes after you finish the test, you can only see the temperature of the preheating zone, but you can't see the temperature curve of the peak. (If you can't measure it, there will be a 40%-50% chance).

2: Even if you test OK, you will find that the welding time is not right, and the shape of the crest is very messy, with a lot of jaggedness.

Now I'll tell you what the problem is!

1: It's not that there is a problem with KIC itself, but that KIC's technical design is not tailored to China's national conditions, why? In the manufacturing process of wave soldering, there should be three links: preheating, IR compensation, and tin immersion.

However, all wave soldering manufacturers in China have omitted all the IR compensation, that is, the part between the preheating area and the tin pot. Then the problem comes, KIC is a pseudo-automatic temperature measurement system, which uses temperature to start, start and stop, generally set to 40 degrees to start, 130 degrees to start twice, and stop at 90 degrees. This idea of automatic temperature measurement is indeed good, but when KIC passes through the IR area, because there is no thermal compensation for domestic wave soldering, there is a fan pumping rosin on it, so the cold air will go up with the fan, and the temperature of the KIC air thermocouple will drop to 90 degrees when it is in the IR area, and KIC will receive an instruction to stop at 90 degrees.

Now the problem comes, the tin pot area has not been completed, and KIC has stopped working. You're dizzy! So there is the phenomenon of problem 1.

2: You can measure the temperature, you are considered an old-timer, but why is the tin immersion time abnormal? First of all, the highest resolution accuracy of KIC is only 10 times per second, and the reaction speed cannot keep up with the chain speed.

Second, the standard thermocouple of KIC is only suitable for reflow oven testing, and if you use it for wave soldering testing, there will definitely be short-circuiting of solder joints, so the waveform and time you measured are not right!

I suggest that you choose the German wickon furnace temperature tester, Flextronics Apple's designated model Wickon X6, its resolution accuracy reaches seconds, and you test wave soldering 1000 times it 1000 times successfully, more importantly, it is simple to operate, can achieve one key, and can test 24 sets of data at the same time, which greatly saves you test time, and more importantly, you have to have universal permission to modify the curve .........1000 words are omitted here.

If you need more information about this instrument, please call: MR CHEN138 0270 8085

As the original KIC factory, for the following American KIC makes you laugh at the domestic production, just want to weakly ask have you used KIC thermometer and automatic temperature measurement system???

The imported brands that are now used more in China are Wickon in Germany, Datapaq in the United Kingdom and KIC in the United States. Each has its own advantages and characteristics, and it is easier to use, so please consult for details.

Summary. Hello, regarding your question, I think KIC is not designed to modify the time, but it is not completely impossible.

Generally speaking, it is not recommended that engineers modify the time at will, so as to prevent some people from being lazy.

If you want to change the time, you can change it in the KIC document when you find the original data.

How to change the time in the KIC furnace temperature tester?

Hello, regarding your question, I think KIC is not designed to modify the time, but it is not completely impossible. Generally speaking, it is not recommended that the engineer revise the time with envy and regret, Brother Xiang is like this to prevent some people from being lazy, if there is no test, and the kind of time before the modification, it is not a mess. If you want to change the time, you can change it in the KIC document when you find the original data.

Actually, it can be changed, as an engineer who used to test KIC as well. Sometimes it's normal for Bi Peng to wait for fake data. Once you've converted the file to a PDF, you can use the corresponding PDF to do whatever you want!

The data can be changed, but the curve can't be changed, and it can be changed prudently, as an engineer who has also tested KIC in the past. Sometimes it's normal to falsify data. Once you've converted your file to a PDF, you can do whatever you want with the corresponding PDF!

The data can be changed, but the curve can't.

Hope it helps.