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With a length of just 2.50 meters, the Synchro replaces a selective soldering system that would require around 11 meters (depending on the product).
Since the assemblies are not halted during the entire process (fluxing, preheating, soldering), theoretically there is virtually no limitation on the PCB length.
The space savings and high throughput are highly interesting for both types of production. Due to the enormous throughput, wave soldering products (depending on the product) can be soldered additionally in almost the same cycle time.
The patented process technology from Nordson sets new standards in selective soldering. Almost unlimited PCB lengths, minimal footprint, highest throughput, and innovative process controls are the attributes of the new process. Furthermore, the method is very interesting for those who need to consider the future of wave soldering in their manufacturing.
The Synchro Series has numerous unique features and is available in three versions:
By eliminating handling times – the PCBs are not stopped during the entire process – the 5-solder-pot system could be reduced to a minimum footprint. This means fluxing in-line, preheating in-line, and soldering in-line. To achieve this, the flux module and all five solder pots will move synchronized with the conveyor speed. For the operator, nothing changes in programming. The intelligent software takes care of the balancing task. The machine operator or programmer has nothing to do with the PCB speed, the distance between the PCBs, or the distribution of tasks among the five pots. Programming is as simple as with conventional system concepts.
Higher speed and lower cycle times have always been associated with the use of multiple pots. However, with conventional selective soldering systems, this also meant more floor space and longer systems. A too large distance – and the associated transport time – between the flux module and the pots adversely affects the function of the flux and thus the soldering quality. The compact design of the Synchro completely eliminates this problem. The intelligent side clamping also minimizes the risk of warpage. Extensive process controls and regulations such as warpage sensors, automatic wave height monitoring, automatic nozzle controls, etc., detect disturbances and ensure quality. With the highest process reliability, the compact Synchro can achieve cycle times on a length of 2.5 meters that conventional systems had to be four times longer for.
Producing the required number of PCB‘s in the optimal time with the best Total Cost of Ownership is the company’s goal. In addition to reproducible quality and throughput, direct and indirect costs must also be considered. The costs of floor space have become a significant factor in TCO considerations. The possibilities of the Synchro are enormous.
With the use of larger nozzles, the Syncro (depending on the product) can compete with wave soldering systems and often even undercut cycle times. Additional potential for savings is provided by the elimination of solder frames, masking, as well as higher energy consumption and maintenance effort in wave soldering.
How can you replace a system up to 11 m long to 2.5 m?The Synchro selective soldering system works according to the patented “Synchronous Motion Selective Soldering” process. As the name suggests, both the fluxing and all soldering pots (five soldering pots) are synchronized with the transport speed. This process reduces handling times. This is the prerequisite for achieving very high throughputs on a very small footprint. |
The programming of the “Synchro” selective soldering system seems relatively complex to me. Can you agree with this?No! Programming is just as easy as with “conventional” systems. So you won't notice any difference. Use the mouse to mark the areas to be fluxed and soldered. The balancing, i.e. the distribution of the tasks to the five different crucibles, is done by the software. |
We want to replace our old wave soldering system but also have many selective soldering applications. Would the Synchro be a solution?We already have one customer who has successfully implemented this. The cost savings in terms of energy, floor space, solder frames or cover masks are considerable. In addition, similar or better cycle times can be achieved (depending on the product). Another point is, of course, the soldering quality. As each solder joint can be soldered with individual parameters, the delivery quality will improve and the number of repairs will be reduced. |
Does the Synchro require nitrogen and what purity is needed?Yes, nitrogen is required for the selective soldering process. What sets us apart from our competitors - with all our selective soldering systems - is that we only need to achieve a purity of 99.99, which corresponds to purity grade 4.0. The savings compared to 99.999 (class 5) are striking. A separate nitrogen generator for the systems is therefore often the more cost-effective solution. |
Do you also sell the right nitrogen generators for your systems?Yes, we specify the optimum solution for you - as much as necessary, as little as possible. |
Does the shorter system have an influence on the soldering quality?Yes, the longer the systems become and the more solder pots are used, the greater the risk of soldering errors. This has to do with the flux system, whose activation decreases with every meter. The temperature profile shows heating and cooling from pot to pot. An unactivated or burnt flux can no longer reduce the solder joint sufficiently and promotes soldering defects. |
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