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Type: Posts; User: litlerob1

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  1. Replies
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    All the weight of the part is toward the Chuck....

    All the weight of the part is toward the Chuck. The Chuck isn't holding anything up. The pressure only needs to be enough to not slip in the jaws, when Rough Turning. Bore jaws within .005" of the...
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    He means the face of the Chuck is Horizontal...

    He means the face of the Chuck is Horizontal :wall:(I'm assuming). But if not, that is a whole different thread topic.

    I machine BIG parts. One of the fundamentals that I learned early on is that...
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    You don't need 400psi. Like ever. R

    You don't need 400psi. Like ever.

    R
  4. I'm glad it's not me!! You're going to...

    I'm glad it's not me!!

    You're going to struggle using a Facemill into cast Duplex. I might try using an Endmill to get under the cast surface. But I think using round inserts is a great idea.

    R
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    Back in the old days before "Trochoidal" became a...

    Back in the old days before "Trochoidal" became a household hot word, I'd create the linear path, then back out of the cut, on both X and Y, very briefly (.025") or something, then re-engage it...
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    Love it when people follow up. R

    Love it when people follow up.

    R
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    2,362

    Gurutzbe B1400 is the only up to date-ish CNC...

    Gurutzbe B1400 is the only up to date-ish CNC Lathe currently on the new market, with 100hp. as an option. Okuma has a VTL with 60.

    R
  8. Replies
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    You could try a bit of a more passive approach....

    You could try a bit of a more passive approach. Sometimes I ask to help with the assembly process. Show up, work half a shift and get some real inside knowledge. Not intending to degrade or debase...
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    But is your client Rolling to 75% of effective...

    But is your client Rolling to 75% of effective thread?
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    Kids!!! It's not backwards if it works. HSS is...

    Kids!!!

    It's not backwards if it works. HSS is slower than Carbide. It's also tougher.

    R
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    Not frozen.

    Not frozen.
  12. Replies
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    You've been given the answers with the Tooling...

    You've been given the answers with the Tooling you have.

    Machine a 45° angle at the entry to the Roughing pass.
    Talk to your people about better Inserts.
    Slow your SFM down to 80.

    If the...
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    I make good parts, I make them as fast as my...

    I make good parts, I make them as fast as my capacity allows. Haas iron can't keep up with ME. But I will admit (begrudgingly) the control is pretty thorough.

    That said, there are always quirks....
  14. Replies
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    Uhm? You jump from 80 to 800 SFM based on the...

    Uhm? You jump from 80 to 800 SFM based on the shape of the Insert?
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    I agree with holding it gooder. If you can't, I'd...

    I agree with holding it gooder. If you can't, I'd go HSS Endmill.

    R
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    What material are you Machining? R

    What material are you Machining?

    R
  17. Replies
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    2,362

    What Machine are you working with? It might just...

    What Machine are you working with? It might just need a gear change.
  18. Replies
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    I turn the Spindle on using G97, until the Tool...

    I turn the Spindle on using G97, until the Tool is in position, then activate G96. But my G50 is in the program as soon as possible.

    R
  19. Replies
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    Mike, if you read the thread, in post #4 the OP...

    Mike, if you read the thread, in post #4 the OP stated that the customer changed the design to suit the manufacturing process.......soooo it was a dumb unnecessary design.

    R
  20. Replies
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    Off white wasn't until 2000. Think green coolant...

    Off white wasn't until 2000. Think green coolant tank and beige door. Diagonal badge that says "Cadet".

    R
  21. Replies
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    I like the color schemes they offered in the...

    I like the color schemes they offered in the Nineties.
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    Effective thread percent gage, donchaknow?...

    Effective thread percent gage, donchaknow? Available at Macey's.
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    Cpreston, answer some questions. A. What...

    Cpreston, answer some questions.

    A. What is the hole size after you Drill it? (Not what size Drill are you using).

    You need to pin the hole, and determine exactly what size hole you're...
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    Rc 63 :):):)

    Rc 63 :):):)
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    +3 on tang grip, for parting and grooves. R

    +3 on tang grip, for parting and grooves.

    R
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