pak
Cast Iron
- Joined
- Oct 31, 2007
- Location
- Miami Fl, USA
I will be using a HSS 2 ¼” diameter x .064” thick slitting saw on a CNC mill to cut aluminum. I have three questions.
Regards,
Drew
- How many teeth should the blade have – 132 or 60? I haven’t bought it yet.
- I have studied the Handbook and have no clue about how to translate the information into useful terms?
I will be using Case 2 in Fig. 5 on page 1043, as in cutter feed parallel to the surface of the work piece, as in slotting or side milling.
From Table 11, I find that SFPM should be 1600 and Feed should be .016/tooth.
From my calculations, that would be 2714 RPM for a 60 tooth saw @ 2605 IPM.
That feed sounds mighty fast to me – even at half that rate.
Simply put, what is a safe speed and feed for this operation?
- Can I cut to full depth (5/8”) in one pass or should I cut in multiple passes? If multiple passes, how deep should I go for each pass?
Regards,
Drew