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Type: Posts; User: Red James

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  1. Sunnen has always been very helpful when you call...

    Sunnen has always been very helpful when you call them with questions. Just give them a call.
  2. What Gobo said ... BUT most work I see can be...

    What Gobo said ... BUT most work I see can be done easily with Mazatrol.
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    Set spindle speed to 100 and see if it smooths...

    Set spindle speed to 100 and see if it smooths out.
  4. Try one of those 'sheet metal' drills with...

    Try one of those 'sheet metal' drills with stepped diameters. For 3/16" should work fine.
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    1,991

    Both sizes/pitches are standard MSC taps, spiral...

    Both sizes/pitches are standard MSC taps, spiral pointed, and 70 mm OAL. Grind your own shank relief and tap without pecking.
  6. Lathe will be fine. BORE the tube I.D. to the max...

    Lathe will be fine. BORE the tube I.D. to the max minor thread diameter (bore to get the I.D. concentric!)
    MSC lists over 200 spiral point taps ... you should not select the cheapest one!
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    Not a parameter; try M code 19

    Not a parameter; try M code 19
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    607

    A 1/4" capacity shear would likely require a...

    A 1/4" capacity shear would likely require a hefty motor. What does your motor tag list as full load amps? (Often listed as FLA)

    What is the breaker protecting? Phase converter?
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    Opinions are usually worth about what you paid...

    Opinions are usually worth about what you paid for them, but I think Mitsui surface grinders are the best made.
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    1,356

    If your part has NO stock on it why grind it? ...

    If your part has NO stock on it why grind it?

    With the wheel over the part (and magnet on!) slowly bring wheel down until it touches. Grind top of part with no further down feed, move wheel away...
  11. Thread: ETD150 Steel

    by Red James
    Replies
    11
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    1,560

    Elevated Temperature Drawn (ETD) 4150. Stronger...

    Elevated Temperature Drawn (ETD) 4150. Stronger version of 4140 or 4150, works about the same.
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    Label is "Initial Z" iirc

    Label is "Initial Z" iirc
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    615

    Easier to use the clearance height in the very...

    Easier to use the clearance height in the very first line of every mazatrol program. Parameter only sets the "R" plane if you choose to use it in a 'point' type sequence.
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    1,645

    Simply put, the hardness of the steel edge will...

    Simply put, the hardness of the steel edge will mostly depend on the carbon points of the steel. < 20 (like 1018) not much effect, >30 and you will get significant hardening. Most alloys are similar,...
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    You just need to use a wear resistant steel, like...

    You just need to use a wear resistant steel, like 4140 PH. Corrosion is not gonna happen.
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    1,485

    I really like PH Horn for grooving. But if you...

    I really like PH Horn for grooving. But if you want cheap don't bother.
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    867

    Both of the above are on track: you need to look...

    Both of the above are on track: you need to look at your electrical manual at R parameters to enable chuck open and chuck close.

    In operation, the spindle needs to be stopped before issuing the...
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    846

    Just like ^, start with round and finish i.d.,...

    Just like ^, start with round and finish i.d., then mill hex, square, or whatever you like.
  19. The 'Aluminum Nickel' name does NOT mean use...

    The 'Aluminum Nickel' name does NOT mean use aluminum specific inserts; use hi temp alloy inserts.
  20. Replies
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    1,417

    How do you tighten the R-8 collet? (Guess I type...

    How do you tighten the R-8 collet?
    (Guess I type too slowly)
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    1,910

    I am sure you have already considered EDM, it's...

    I am sure you have already considered EDM, it's what they do.
  22. Are you saying a turned diameter next to the...

    Are you saying a turned diameter next to the bearing diameter on the tail stock end does not vary but the bearing diameter does?

    If so, any questions about live center or other tail stock problem...
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    The inside metal is cheaper than drywall...

    The inside metal is cheaper than drywall (finished & painted) and easily cleanable. Electric is ran on surface in conduit. Can't beat it.
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    I don't understand your description, please...

    I don't understand your description, please elaborate. 5 to 10 thou radial cuts, in a slot, depth 3/8".
  25. Stick with quality brand names (Rockwell is not a...

    Stick with quality brand names (Rockwell is not a quality grinder; they do make good belt sanders).
    A fast check of flatness of the chuck (it was likely ground on the machine) with a STRAIGHT EDGE...
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