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Type: Posts; User: controlled_burn

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  1. Interesting... I'll definitely give this a shot...

    Interesting... I'll definitely give this a shot and see what happens.
  2. Would you happen to have some code generated from...

    Would you happen to have some code generated from this that I could check out? That would help me understand it better. I can wrap toolpath in Fusion 360, so I'm wondering if that's the same thing...
  3. I posted a bunch of code above this post if you'd...

    I posted a bunch of code above this post if you'd like to check it out. In Fusion, it does give me the "wrap toolpath" option, so I am only moving 2 axes (x and a). I'm really not sure how to do it...
  4. Thanks, you bring up a good point. My rotary can...

    Thanks, you bring up a good point. My rotary can only move so fast (relatively slow) and I had my feed rate at 21 ipm. I know I can go way faster with carbide and aluminum, but I ran it the way I did...
  5. Here's the code I used: % O01001 (Using high...

    Here's the code I used:

    %
    O01001
    (Using high feed G1 F400. instead of G0.)
    (T2 D=0.5 CR=0. - flat end mill)
    (T6 D=0.3125 CR=0. - flat end mill)
    N10 G90 G17
    N15 G20
    N20 G53 G0 Z0.
  6. I think you're right. I ended up just running the...

    I think you're right. I ended up just running the part because I couldn't figure out a solution to the jerky motion. I wasn't able to tweak the tool path in Fusion to give me fewer lines of code. No...
  7. Haas 4th axis with slightly jerky rotation during program using simultaneous a and x

    Machine: Haas TM-3P
    Rotary: HRT210-2-P3

    Lately, I've been working on a cylindrical part that uses both x and a (4th) axes. I am programming in Fusion 360 using the 2D adaptive pocket command and...
  8. Thank you for the thoughtful answer. I think I...

    Thank you for the thoughtful answer. I think I will try out the set bead idea because I get the feeling I might be able to acheive what I want with less tonnage. There seems to be overwhelming...
  9. You are correct. It was hard to capture, but it...

    You are correct. It was hard to capture, but it is a crack that initiated from a cut made by a flat-nose end mill with sharp corners. When I remake the parts, I'll order an end mill that has a larger...
  10. Welcome! I thought I would be as detailed as...

    Welcome! I thought I would be as detailed as possible in case someone down the road had the same issue. This way, they could use this post as reference. Thank you for the advice. If one doctor says...
  11. You're probably the third person I've heard say...

    You're probably the third person I've heard say that. I'm starting to consider A2/D2 for this project. I'm a bit embarrassed to admit that I don't have a good reason as to why I'm using 4140 other...
  12. I forgot to mention that I asked the metallurgist...

    I forgot to mention that I asked the metallurgist about 4140 and if he/they have had issues with it in the past. Other than what I originally wrote, he did mention that hitting 56-58 HRC is something...
  13. I've had forming dies gas nitrided before, but I...

    I've had forming dies gas nitrided before, but I found that they wore out too quickly. The tools they were a part of were high-tonnage and high-volume, so they really took a beating. The parts I'm...
  14. It never crossed my mind to send the data sheet...

    It never crossed my mind to send the data sheet with the material to HT. Thanks for the advice!
  15. Issues with cracking using 4140 pre-hard

    This is my first post. Thanks for having me here!

    Backstory:

    I recently purchased some 4140 pre-hard from McMaster and it was in the HRC 30 range. It was also precision ground. We started...
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