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Induction heated vacuum furnace for making brazed diamond dental burrs
专利权人:
发明人:
Ronald C. Wiand
申请号:
US14689726
公开号:
US09987727B2
申请日:
2015.04.17
申请国别(地区):
US
年份:
2018
代理人:
摘要:
Process for manufacture of a dental burr including a brazed diamond grit working surface comprising the steps of: a. providing a vacuum induction furnace and a graphite insert which is tuned to be heated at a predetermined frequency in the induction furnace, said graphite insert including a sub chamber configured for receiving at least one dental burr b. providing a dental burr blank including a shaft portion and a working head portion c. providing a synthetic diamond abrasive grit material, which is unprocessed for removal of ferromagnetic properties, mixture with a temporary green binder which adheres to the burr substrate and coating the working head portion with the mixture d. placing the coated burr into the graphite insert sub chamber and heating the graphite insert to 910 to 990° C. and e. heating the coated burr in the chamber under a vacuum for forming a diamond burr with a brazed diamond grit working surface.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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