It is October 1978. On Oct. 13, my discovery at the former Matra company in Frankfurt that PCD can be eroded by means of electric sparks was registered at the patents office. In October 2018, we looked back at 40 years of experience in the application of spark erosion for manufacturing and versatile application with polycrystalline blades of PCD- and PCBN-tipped tools.
Imported from the CTE archive to seed discussion on MFGAxis.
Originally published on CTE: 2019-01-08
CTE source: https://ctemag.com/news/poly-poly-or-what-part-five-diamonds-show-profile/
Legacy path: /poly-poly-or-what-part-five-diamonds-show-profile