I alluded to this in my previous post. A number of years ago, the power switches for the Pfaff 1222 type machines went “NLA” or No Longer Available. As usually happens, it takes a while for existing stock to disappear so many of us didn’t know until it was too late. Around the middle of 2020, it finally happened. Not long after my first order went unfilled, I started playing with the idea of rebuilding the switches. The reason being that it’s a single piece of (sometimes 40+ year old) injection molded plastic that fails. Every single time. Could it be 3D printed? After all, several years ago, I’d determined that the rest of the switch is high quality, modular and relatively easy to rebuild. In October of 2020, I received 4 Pfaff 1222 machines in for service and you guessed it, there was a broken switch among them and I had no more switches in stock.
After a series of unfortunate (family/personal) events that Fall, I finally began on Christmas Day 2020, and by a couple of days into the New Year, I had a working design and it took me about 15 minutes to disassemble the machine, disassemble the unnecessarily complex switch, replace the defective part, reassemble the switch and the machine. This could be a viable solution! The problem was Continue reading Pfaff Power Switches coming back! →