Which of the following methods delivers the better rolling performance and higher strength of the manufactured bevel gear?

Face hobbing and hard finishing by lapping

Face milling completing and hard finishing by grinding

Face milling with five-cut and hard finishing by lapping

Face milling completing and hard finishing by lapping

Which of the following methods delivers the better rolling performance

1.	Which of the following methods delivers the better rolling performance and higher strength of the manufactured bevel gear?
A.	Face milling completing and hard finishing by grinding
B.	Face hobbing and hard finishing by lapping
C.	Face milling with five-cut and hard finishing by lapping
D.	Face milling completing and hard finishing by lapping
Answer» B. Face hobbing and hard finishing by lapping