Brazing quality and product reliability are both increased as using high frequency pulse microplasma arc heating process for assembly brazing of cathode and photoetching grid of electron tube.
This paper makes a meshing analysis about the spiroid gearing. Using the method of equivalent worm gearing, the assembly condition of Archimedes spiroid gears has been obtained.
According to the concept of context process problem space,. the concept of Directed Assembly Relationship Graph(DARG) was put forward. The isomorph of DARG was defined.
The assembly tolerance analysis and optimization method based on digital product design model is put forward according to the analysis of digital-ization preassembly method.
And virtual assemblies of the Experimental Advanced Superconducting Tokomak device (EAST) and the fusion-driven sub-critical system (FDS-I) are successfully simulated on FVAS.
Instead of assembling an item from many separate components, 3D-printed electronics make it possible to print an entire product in a single machine, says Dave Ramahi, Optomec's chief executive.
RODRIGUEZ: A Boeing company source told CNN that Boeing believes the mistake is due to, quote, " The assembly that was built up through the supply chain."