Cutting tool for making circuit substrate with flat bottom surface and concave cups


Application Number  00128446 Application Date  2000.11.23
Publication Number  1355078 Publication Date  2002.06.26
Priority Information    
International
Classification
 B23C3/10  
Applicant(s) Name  Li Zhishu  
Address    
Inventor(s) Name  Li Zhishu;Wang Wenrong  
Patent Agency Code  11105 Patent Agent  he xiumeng
AbstractA cutting tool for manufacturing the circuit baseplate with flat-bottom recessses on it is composed of a long straight handle with a bottom surface and a part clamped by a fixture, a cutting body with two cutting edges, two filings discharging slots and two grinding surfaces, and its end part with a flat top surface and two cutting arcs. The flat top surface has a knife tip part, inclinations, oblique angles, etc.. The knife tip part has a drilling angle and a milling angle.