Tin stacking and poor flow issue for industrial robotic soldering machine

When using the robotic soldering machine, you may encounter with tin stacking and poor flow tin issue. How to solve this problem? Below we will discuss this issue and solutions, in order to have good performance for this soldering iron machine.

Here is the content:

Tin stacking and poor flow issue for industrial robotic soldering machine

Tin stacking of the soldering machine and solutions:

Tin stacking usually refers to welding the solder joints into a spherical shape, and the pins and legs do not leak out. The main reason for this phenomenon is that the amount of tin sent is too large. At this time, it can be solved by reducing the amount of tin sent. Another reason is that the pin legs are too short to expose the pads.

Poor flow tin of soldering robot and solutions:

The precision of the solder joints is not high, and the surface is sharpened. Poor solder joint accuracy means that the solder joints are not smooth, and sharpening refers to the phenomenon that the solder joints are not well formed or have burrs and tin tips after soldering. The main reason for this is the poor flow of tin. Sometimes, this is also caused by our inappropriate parameter settings. Either the dwell time is too long or the set soldering temperature is too high, which causes the flux to evaporate instantly, thereby reducing the fluidity of the solder, and the tipping phenomenon will be formed during the lifting of the soldering iron tip. In addition, if this problem cannot be solved through the setting of parameters, the problem of tin wire must be considered.

Of course, in the welding process of the automatic soldering machine, if the soldering iron tip should be replaced in time and not replaced in time, the possibility of such bad solder joints is also very high.

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