October, 2021


ROSWELL, GA — Optimum sol- dering results depend not only on the actual melting process of the solder paste. Cooling the assem- bly to be soldered plays an impor- tant role in soldering highly com- plex electronic components. The filter monitoring, including vol- ume flow control integrated in the convection soldering systems of the Vision series from Rehm Thermal Systems, ensures effec- tive residue management and constant cooling capacity, thereby supporting stable and safe per- formance of the soldering process. When the solder paste melts


inside the process chamber, process gases are produced which cause contamination of the cooling modules and the fine filter. The volume flow of the cooling process, which should be as constant as possible, is reduced by these contaminants. Less volume flow means less cooling capacity at the same time, which can lead to an increase in the outlet tempera- ture or to a changed cooling gra- dient at the assemblies. However, for a safe and stable process, the correct run-out tem- perature and a constant cooling gradient of the soldered assem- bly are of great importance. Filter monitoring with active


StaticStop to Demo ESD Interlocking


Floor Tiles AVON, MA — StaticStop, a divi- sion of SelecTech, Inc., is high- lighting its FreeStyle™ ESD PLUS flooring. StaticStop offers a complete line of ESD flooring, including epoxy floor coatings, glue-down tile and sheet products and the patented FreeStyle and SelecTile interlocking flooring. During the SMTA Inter -


national Expo, StaticStop will demonstrate GroundFloor PLUS and FreeStyle PLUS, products pre-finished with conductive ure- thane, making them the easiest to maintain products in the mar- ket. The company will feature the new SelecTile ESD in Gray, an industrial interlocking tile suitable for the heaviest traffic and a great replacement for fail- ing ESD Epoxy in factories and warehouses. FreeStyle ESD tiles employ


a patented glueless “zipper” interlocking system that enables the flooring to be installed over


existing flooring. Contact: SelecTech, Inc., 33


Wales Avenue, Avon, MA 02322 % 508-583-3200


E-mail: jberk@selectech.com Web: www.selectech.com


See at SMTAI Booth 3528 See at SMTAI, Booth 3200 and productronica, A2.139


www.us-tech.com


readjustment automatically de - tects when the volume flow falls below the level individually set to meet production requirements. This is an indication that the fil- ter is about to be changed. Until this change is made, the system automatically readjusts the vol- ume flow to continue cooling the assemblies within the specified process window by increasing the cooling capacity. The filter monitoring with


active readjustment thus guar- antees a high level of process


Page 83 Rehm Offers Predictive Maintenance for Reflow


reliability and ensures an opti- mum reflow soldering process with constant flow conditions. In addition, the data from the filter monitoring can be collected and used to predict the next filter


replacement. Contact: Rehm Thermal


Rehm’s new software optimizes reflow performance.


Systems, LLC, 3080 Northfield Place, Suite 109, Roswell, GA 30076 % 770-442-8913 Web: www.rehm-group.com


See at productronica A4.335


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