Convection soldering with the Vision series Cooling is thus based on actual requirements so that only as much cooling as is required is used. The indoor air supply is automatically regulated – instead of having to control the system manually, there is no extra work for the operator apart from having to set the temperature profiles. The connection to system software is TCS’s major advantage. This not only ensures exact temperature stability in the respective zone, but dramatically reduces the thermal influence from adjacent zones and ensures the optimum division of zones at the same time. The respective zones in the preheating and peak range can thus be cooled to the desired temperature in an energy-neutral way by recirculating indoor air through a pipe system. This makes it possible to achieve larger temperature differences between temperature levels. The Vision series’ convection soldering systems by Rehm are therefore equipped with their own temperature control system that can be used to cool individual zones based on requirements. While this usually isn’t a problem with a linear profile, it can be much more challenging to create saddle profiles. The systems also have increasingly better insulation to counteract rising energy costs so that less heat is released into the environment and instead remains in the system. The maximum temperature difference between the temperature levels in the adjacent zones is bound to technical and physical limits here. In order to achieve the best soldering result, this temperature profile specifies how much and when thermal energy must be supplied to the respective assembly in accordance with a precisely defined schedule. From temperature profile to temperature control system While a linear profile assembly is heated with exactly the same linear temperature increase, the saddle profile is gradually heated to the desired temperature according to predefined temperature ranges. Heating zones which can be regulated separately, a reproducible temperature profile, stable processes at the lowest temperature differences or homogenous heat input provided by special nozzle holes: the Vision series’ convection soldering systems by Rehm Thermal Systems provide the basis for the best soldering results with their optimum heat transfer properties and enable simple and reproducible profiling, including in the form of a saddle profile or linear profile. Stable reflow soldering procedures with Rehm’s Vision series
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