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calnet42

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Posts posted by calnet42

  1. MP35N® is an age-hardened, nonmagnetic, biocompatible cobalt-nickel-chromium alloy with molybdenum added for corrosion resistance. It is often triple-melted to insure purity, stability, and overall performance. This is achieved by adding an electroslag remelt (ESR) in between the typical vacuum induction melt (VIM) and vacuum arc remelt (VAR).

    Among it's uses in the medical industry are:

    • Orthopedic wires and cable
    • Catheters
    • Pacing lead wire conductors
    • Stylets and probe wires

    MP35N® is also referred to as:

    • UNS R30035
    • ASTM F562
    • 35Co-35Ni-20Cr-10Mo
    • NACE MR-0175\

    http://www.vincentmetals.com/MP35N.html

     

     

     

    My P+W Alloy ref list has this material:

     

    PWA spec #114

    AMS # 5758

     

     

    It shows machinability at 16 percent.

  2. We are searching for a parameter which will automatically clamp/unclamp the rotary table in a Niigata HN-63 with a Fanuc 18M control.

     

    We do not want to have M10-M11 before and after each move.

     

    The part has a very small true pos. callout and we are having problems holding it without clamping.

     

    The program ran last time on a similar machine which does have auto-clamp/unclamp working.

     

    Thank you.

  3. Haas website says spindle nose is a2-6

     

    http://www.haascnc.c...2AXIS_STD_LATHE

     

     

    A is the type of taper on the nose of the spindle. B is a different taper, not a larger spindle. Like Morse tapers versus R8.

     

    The second thing is the number, A1 or A2. This is the bolt pattern on the nose of the spindle used to mount the chuck, not the bore through the spindle. One of them has an extra set of threaded holes, but I forget which one it is.

     

    The last number, A1-8, for example, is some diameter measure of the bolt holes, or spindle diameter, or something. I forget exactly what diameter it is. This is the overall size of the spindle.

     

    The bore diameter isn't in the specification, it can vary based on what the manufacturer wants to do.

     

    A2 - 8:

    • A - The taper on the nose of the spindle.
    • 2 - The bolt hole pattern on the spindle.
    • 8 - The diameter of some dimension on the spindle

    quote.gif

     

     

    Hardinge has some dimensions for this:

     

    http://www.hardingeu...collet/2352.pdf

     

     

    I would guess there are bolts going thru the face of the chuck, remove those and the chuck should come off.

     

     

    Nevermind, Day late, Dollar short.... :blushing:

  4. To use the chipbreaker on the insert, your feed needs to be higher than the land on the edge of the insert.

     

    We will use GP style chipbreakers because it is a sharp corner. (Works well on high-temp alloys)

     

    A CNMG-432-MM (Sandvik) has a .011-.012 land so, feed would have to be .012 or higher to take full advantage of the chipbreaker geometry.

     

     

    HTH...

  5. We have a post that counts rapid moves and will put in insert change points.

     

    It uses misc. integers for # of passes and compares to rapid moves.

     

    You can't use a rapid lead-out though, it messes up the count so, I use a fast-feed lead-out.

  6. Kennametal KC5010 for no interruptions

    Sandvik 1025 thru interruptions

    100-120 sfm .007-.010 fpr rough

    100-150 sfm .005-.008 fpr finish

     

    Keep doc less than rad of tool.

    For deeper doc use lead angle 15deg.-45deg.

     

    Ceramic, for roughing leave .06 stk for carbide

    600-1000 sfm .008-.010 fpr

    15deg. lead or large rad

    FLOOD coolant, make sure its clean an mixed properly.

  7. I run all my programs through InPlot.

     

    It has a syntax checks for:

     

    Mismatched comment

    Mismatched brackets

    Feed w/o spindle

    feed w/o coolant

    double addresses

    Bad value

    G0 with feed

    letter "O"

    No value

    Bad arc

    G and M code range (you input the codes needed)

    No G40

    Decimal point

     

    Really saves me lots of time checking programs!

     

     

    P.S.

    I don't work for or have any affiliation with the software mfr.

  8. Yes, I noticed.

     

    28 min. to download.........................

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    ............................................

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    29 min. to download.........................

    ....etc..

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