Electronics Forum | Mon Jun 10 09:12:18 EDT 2019 | pcbconnectchina
Hello! Don, Yes, if the carrier is steel/stainless, it would be very hot when it comes out from oven. I heard that durostone (synthetic stone) carrier can meet your requirement, it can stand high temperature with low thermal transmission. So when it
Electronics Forum | Mon Jun 10 10:12:42 EDT 2019 | assuredtech
What is the year, make and model of your oven? Are you running it with Upstream and Downstream (pre-reflow, post-reflow) conveyors? Is the qty of the product low, medium or high? What is the max process width of the oven? what is the max board with o
Electronics Forum | Mon Jun 10 10:23:47 EDT 2019 | don_julio
We started getting better reflow after rotating the pcb to locate the greater mass closer to the center of the oven. However we still leave space between panels on the conveyor to achieve a better reflow. This costs us production time. I'm simply lo
Electronics Forum | Tue Jun 11 11:22:19 EDT 2019 | sumote
If the board is just not reaching the temps you need, you could place them in an oven to "preheat" them. When I was building a rather thick board with a copper core I had to do this. Since we were only doing small runs it was feasible, I don't know y
Electronics Forum | Tue Jun 11 12:15:27 EDT 2019 | sumote
Consider an adjustable (or fixed) process carrier then. It could offset the board so that your component is better centered. I have used Pentagon EMS for such carriers in the past. They are pricey, but last forever. We were a contract house, so the c
Electronics Forum | Thu Jun 13 12:50:00 EDT 2019 | don_julio
> A couple of caveats; The FR4 will degrade with > successive reflows and will eventually need to be > replaced. Not a big deal for low volume, but > something to be aware of. The bigger concern is > that a sheet of .125" lar
Electronics Forum | Tue Jun 11 11:25:57 EDT 2019 | don_julio
> If the board is just not reaching the temps you > need, you could place them in an oven to > "preheat" them. When I was building a > rather thick board with a copper core I had to do > this. Since we were only doing sma
Electronics Forum | Thu Jun 13 09:39:43 EDT 2019 | don_julio
Problem is I don't have a mesh belt (lesson learned). Our conveyor is pins. If I laid some scrap pcb's spanning the conveyor pins on the long dimension of the board, I'm confident it would sag. We get a bit of sag today in our 1.6mm thick boards whi
Electronics Forum | Tue Nov 15 15:40:52 EST 2011 | jdengler
Do you have any trays in the location you are trying to pick from? The Z axis should move until it detects the top of a tray. Without any trays it may not function correctly. Also some machines will need an empty tray below the tray you want to pi
Electronics Forum | Tue Apr 09 21:57:42 EDT 2019 | alexvolovich
If you were able to do a first/last part, then your tray wagon is set-up. You need to go to Tray Types and program the tray that will match the piece of tape you have. Then you should be able to add your component to the tray wagon.