In order to continue to lay a solid foundation for coal mine safety, from August 10th this year, Shanxi launched a license to renovate and produce mines, integrate and transform mines, mines with weak gas and water treatment, mine management order, and safety supervision. The "team" and other teams focused on the safety production of the 100-day coal mines for key contents and focused on the rectification of special operations. By mid-November, more than 200 mines had been closed, suspended from production, and revoked licenses.
During the rectification period, Shanxi carried out safety checks and hidden trouble investigations on coal mines throughout the province. The Shanxi provincial government formed 11 provincial inspection teams to carry out special actions to clean up and rectify 11 cities across the province. The 11 inspection teams supervised 374 mines, cumulatively detected more than 6,500 general hidden dangers, 29 major hidden troubles, closed 15 mines, suspended work, suspended production of 195 mines, revoked 23 licenses, and imposed administrative punishment of 1.2 million yuan.
Diamond Wire For Magnetic Material Cutting
When the electroplated Diamond Wire is cut, the workpiece is scratched by the diamond abrasive particles on the circumferential surface. Electroplated diamond wire cutting is widely used in the field of hard and brittle material processing due to its high cutting efficiency and little damage to raw materials. Compared with other hard and brittle materials, magnetic materials such as neodymium, iron and boron have similarities and differences. Magnetic materials such as neodymium, iron and boron are mostly made by powder metallurgy process, and there are large lattices and voids inside the materials. It has a certain influence on the electroplated diamond cutting wire.
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