Drilling on Spheroidal Graphite Cast Iron GGG60

Drilling on Spheroidal Graphite Cast Iron GGG60
	Post Reply		Forum

Posted by: Maha ^®

04/10/2006, 02:19:34

Author Profile eMail author Edit

I have job of Drilling of 80 mm Dia X 300 mm length through hole on GGG 60. I have a portable boring bar which has 100 RPM and 0.48/rev feed can produce 400Nm torque . It has option of drilling attachment.

I would like to know the No. of step drill i have to make to get my job.

Post Reply | Recommend | Alert Administrator