A thread rolling die (10) includes a thread rolling region (12) comprising a working surface (14) including a thread form (16). The thread rolling region (12) of the thread rolling die (10) comprises a sintered cemented carbide material having a hardness in the range of 78 HRA to 89 HRA. In certain embodiments, the thread rolling die (10) may further include at least one non-cemented carbide piece (18) metallurgically bonded to the thread rolling region (12) in an area of the thread rolling region that does not prevent a workpiece from contacting the working surface, and wherein the non-cemented carbide piece (18) comprises at least one of a metallic region and a metal matrix composite region.
申请公布号
WO2011059658(A1)
申请公布日期
2011.05.19
申请号
WO2010US53650
申请日期
2010.10.22
申请人
TDY INDUSTRIES, INC.;MIRCHANDANI, PRAKASH K.;SHOOK, V. BRIAN;BOWMAN, GRAYSON L.;BROWN, MATTHEW D.
发明人
MIRCHANDANI, PRAKASH K.;SHOOK, V. BRIAN;BOWMAN, GRAYSON L.;BROWN, MATTHEW D.