Electronics Forum | Thu Dec 26 12:12:55 EST 2013 | igorfo
Dear Friends, I need your help to understand requirements and measurement methods for bow and twist of assembled PCB (PCBA have and SMT and TH components). I already check all posts on the site but didn't found any related to my question answers.
Electronics Forum | Sat Feb 01 09:01:14 EST 2003 | davef
It sounds like your board is "dome shaped", some call it "cupped". If so, this is more of a twist than a bow. Before moving on, if we receive a board that is so torqued that we can't figure-out how to measure it, we reject it. Go back to your TM-
Industry News | 2010-12-17 01:47:04.0
IPC has released the A revision of IPC-2222, Sectional Design Standard for Rigid Organic Printed Boards. Helping developers avoid common missteps that reduce board manufacturability, IPC-2222 has been expanded to include more information on board materials, such as relative costs, tolerances of board thickness, unsupported holes, and hole aspect ratios.
Industry News | 2021-11-02 21:27:05.0
The wiring and installation of rotary encoders should be conducted in strict accordance with the instructions of each product. While for general encoder installation guidelines, you should pay attention to the following aspects during your encoder mounting work.
GPD Global | https://www.gpd-global.com/co_website/pdf/doc/FPC-with-Time-Pressure-Control-in-FLOware-Software-22240106.pdf
dispense mode. Runs for the period of time you define in the Dot Duration field. Run Use the RUN button to pressurize the selected head station to Run Setpoint pressure. TIP: The currently selected dispense mode (Continuous / Dot (pg 10) affects how long the
