PCB Selective Solder Sample: A Factory-Floor Review Buyers and engineers often focus on the finished product and forget the production line behind it. In practice, most field failures can be traced back to process decisions made during assembly. Understanding PCB selective solder sample gives you a practical advantage when you…

PCB Selective Solder Review: A Second Look Selective solder still earns its place on boards that mix through-hole connectors with fine-pitch SMD parts. Reflow alone cannot fill a tall pin barrel or wet a heavy thermal tab, so the iron or the mini-wave does the work. A second review of…

PCB Selective Solder Data: Reading the Numbers Right Selective solder machines log a great deal of information during a shift. Preheat temperatures, flux volume, nozzle dwell time and wave height all land in a file. The trouble is that a file full of numbers is not the same as control.…

Moisture Bake: Preparation, Placement and Process Control Laminate absorbs water from the air, and the amount it holds depends on the resin system, the storage conditions and the time since the board was fabricated. When the board is heated to reflow temperature, that water turns to steam, and the steam…

Continuous Improvement in PCB Manufacturing Continuous improvement in a board shop is a habit rather than a programme. The shops that get better every year are not the ones with the largest improvement department; they are the ones where small changes are made, written down and repeated, week after week,…

PCB Selective Solder Risks: From Design to Repeatable Production Electronics manufacturing has become a discipline of small details. Solder paste volumes, placement accuracy, temperature profiles and inspection limits all add up to the final result. This guide looks at PCB selective solder risks from the perspective of a PCBA factory…

PCB Selective Solder Plan: From Design to Repeatable Production Buyers and engineers often focus on the finished product and forget the production line behind it. In practice, most field failures can be traced back to process decisions made during assembly. Understanding PCB selective solder plan gives you a practical advantage…

Capacity Planning: Key Checks Before Release Capacity planning is the work of matching the work available to the work the shop can actually complete, and its central idea is that the shop is limited by one step rather than by its average. That step sets the throughput of the whole…

Feeder Calibration and Pickup Accuracy on SMT Lines A feeder presents a component to the nozzle at a position that the machine believes it knows. If that belief is wrong, the nozzle picks the part off centre, at an angle, or not at all, and the placement machine spends the…

Reflow Soak Profile And Void Formation A reflow profile has four parts: a ramp, a soak, a spike to the peak and a cool down. The soak is the part that engineers most often remove in the name of speed, and it is also the part that decides how much…