The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 12, 2021
Filed:
Sep. 21, 2017
Applicant:
Sandvik Intellectual Property Ab, Sandviken, SE;
Inventors:
Ibrahim Sadik, Kista, SE;
Jose Luis Garcia, Stockholm, SE;
Assignee:
Sandvik Intellectual Property AB, Sandviken, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 27/14 (2006.01); B23Q 11/10 (2006.01); C23C 30/00 (2006.01); C22C 29/06 (2006.01);
U.S. Cl.
CPC ...
B23Q 11/1053 (2013.01); B23B 27/148 (2013.01); C22C 29/067 (2013.01); C23C 30/005 (2013.01); B23B 2222/64 (2013.01); B23B 2222/88 (2013.01); B23C 2222/64 (2013.01); B23C 2222/88 (2013.01);
Abstract
The use of cryogenic coolant in a machining operation in Ti, Ti-alloys or Ni-alloys together with a cutting tool of a cemented carbide substrate with a gradient surface zone with a thickness of between 50-400 μm is provided. The cemented carbide substrate has a binder phase gradient with the lowest binder phase content in the outermost part of the gradient surface zone and the cemented carbide having graphite. The arrangement leads to a significantly prolonged tool life.