586,005 active members*
4,845 visitors online*
Register for free
Login

Search:

Type: Posts; User: danrandall

Search: Search took 0.00 seconds.

  1. Thread: Need ideas

    by danrandall
    Replies
    1
    Views
    1,270

    Need ideas

    Ok folks I need help. We have a okuma lathe with a back spindle and live tools. We have a 304 steel rod that needs to be turned down to a .045 dia about 5 inches back. I know this is a job for a...
  2. HAAS UMC 750 DWO Troubles all of a sudden I think?

    Hello I have a HAAS UMC 750ss and I've had it for a few years now. I have made parts with side holes using DWO in the past on this machine but since I had HAAS come out for unrelated service, they...
  3. Replies
    13
    Views
    1,425

    Re: Milling 4130 I keep breaking Endmills

    Well I ran the tool at the manufacturers specs of 1009 sfm .0015 chip load at 9% radial engagement. Tool lasted around 20 mins. The routine was 2 mins long instead of 9 mins but c'mon. So back to my...
  4. Replies
    13
    Views
    1,425

    Re: Milling 4130 I keep breaking Endmills

    i can try running at helical specs just a little hesitant. I am mostly a 6061 guy. Steel is new to me. My other thought was to go full bore 15k rpm like a 200+ feedrate but a super small radial like...
  5. Replies
    13
    Views
    1,425

    Milling 4130 I keep breaking Endmills

    Hello first time posting, I am milling some 4130 34 HRC. I am using a Helical 83108 .500 dia 2.0 LOC chip breaker endmill with a Schunk Hydraulic Holder using high efficiency milling running 3050 rpm...
Results 1 to 5 of 5