The special feature of our soldering technique is the direct temperature measurement at the thermode. For this purpose, the temperature sensor used is welded directly into the thermode. As a result, the sensor experiences no thermal delay, as is the case, for example, with glued-in or attached temperature sensors:
Especially in the industrial use of our soldering technique, there is the advantage that you do not have to remove the soldering head and change over when changing the thermode, because you will change the entire head. The change time is reduced to about 30 seconds and you can continue to produce immediately. Thereafter, the thermode can be exchanged stressfree on the removed head, if necessary. (Depending on the application, the service life of the thermodes may amount to a few 100,000 solderings!)
With only one turn, the high output from the soldering generator is fed directly to the thermode. This results in almost no power losses on the supply line:
Example of a Thermode with Temperature Sensor
We produce your thermode individual to your requirements. Therefore you will always get an optimal solder result. As high temperatures occur during the soldering process, you should absolutely avoid overheating. Your thermodes then will remain preserved for a long time. Depending on the size of the thermodes the heating prozess from room temperature (ca. 20°C) to soldering temperature (ca. 360°C) can be done in less than one second. According to this overshooting can quickly arise during the heating process. Our controls have a certain parameter setting to avoid these effects. They switch off the heating before reaching this point. Through a preselection of thermode types you can choose your settings individual for each operation. For example smaller thermodes reheat more than larger one. We recommend to choose the setting "thermode type 1" at first and if necessary successively increase your choice.
Through a copper turn the energy for the thermode is almost transferred lossfree.
Thermodes Type 1: Widths up to ca. 5 mm
Thermodes Type 2: Widths up to ca. 10 mm
Thermodes Type 3: Widths up to ca. 15 mm
Thermodes Type 4: Widths up to ca. 20 mm
Thermodes Type 5: Widths up to ca. 20 mm
Thermodes Type 1: Widths up to ca. 5 mm
Thermodes Type 2: Widths up to ca. 10 mm
Thermodes Type 3: Widths up to ca. 15 mm
Thermodes Type 4: Widths up to ca. 20 mm
Thermodes Type 5: Widths up to ca. 20 mm
In combination with our ZS-200 controller, you can select a cleaning mode in which the soldering head switches into a pyrolysis process, heating the thermode to a temperature of up to 550 degrees Celsius. Deposits are charred and can then be removed with a cleaning brush; This happens automatically with some of our standard systems.
This means that plastics can now also be hot-stamped without any problems and thus joined together. In particular, this creates very strong deposits that are eliminated by this cleaning.
Of course, as described above, with our BG-350, you can also bond plastics together or just fuse pins to create a mechanical connection. For this purpose, we manufacture a wide range of thermode heads, depending on your specifi c requirements, which we of course accompany constructively with you.
At this point we would like to give you a practical advice, how to produce good solder joint with your hot bar soldering machine:
Solder your contacts on a prior SMD assembled PCB. Just set your soldering paste area exactly where you like to solder using the hot bar soldering method. Reflow solder these areas are now with other SMD components; afterwards there is flux at these solder joints for another single joint with the hot bar soldering method.
You can also use a plastic stamp to apply the flux on a solder surface.
The stamp gets moistened with a sponge that is soaked with flux. Now the stamp can transfer the flux to the solder surface.
We can deliver you these stamps.
Example of a Flux Stamp