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Type: Posts; User: Paul_S

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  1. Replies
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    Re: Calculating tool life

    The "Manufacturing Planning and Estamating Handbook on page 6-56 has a table 6-20.
    T is in minutes and C is the calculated constant.
    V is in SFM.
    The table gives the n value to use.
    Work...
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    The machine should find the same zero within ,060...

    The machine should find the same zero within ,060 of the mark. If the machine is a little off the mark repeatedly. Move the marker to where the machine has gone. From that point on it should repeat.
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    Anyone know how to copy to MDI

    On the HAAS mills the probing system erases MDI.

    Is there a way to copy & past to MDI to restore code?

    MDI had been used to keep little programs.

    For example:

    M99 P19;
    ;
  4. Replies
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    I am unable to get that newer version of NCfadal...

    I am unable to get that newer version of NCfadal to work on my xp machine. The older version is ran in Windows 98.
    The M2 returns the control to what is in memory.
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    You can use a FADAL program called ASSIST, select...

    You can use a FADAL program called ASSIST, select PROGRAMs, and from the list, 10. VMC DNC. The program should not end with a M2. The last line of the program should be M0.
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    If I understand your problem, you want to rapid...

    If I understand your problem, you want to rapid to the next level of drill depths.

    Start your clearance plain peck cycle your chosen minimum above material, use G98. And for each different drill...
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    Just for future reference. Spot drill all holes....

    Just for future reference.
    Spot drill all holes. 20000 RPM is slow even for HSS. Even so should work just fine IPM between 7.1-7.8 IPM. peck drill between .019-.007 per peck. (G83 not G73)
    What...
  8. I had checked SETP initially. And I looked again...

    I had checked SETP initially. And I looked again per your advice. There does not seem to be any setting for this. The OS is SYS 102.1

    In the MU instructions, there is also nothing to explain...
  9. Double block numbers on Fadal Multi Processor CNC

    In our shop we have one new Fadal with a Fadal Multi Processor CNC. An operator apparently renumbered the program. And instead of the block numbers like N42.1 being renumbered, all the block...
  10. Thread: Deep pockets

    by Paul_S
    Replies
    5
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    761

    Yes, it is possible to do. But for a 2 deep...

    Yes, it is possible to do. But for a 2 deep pocket I would use a 1/2 dia x 2 1/2 carbide not the 4 inch.
  11. Thread: Deep pockets

    by Paul_S
    Replies
    5
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    761

    2024 AL is not 4130 steel. RPMs too high for the...

    2024 AL is not 4130 steel. RPMs too high for the length of cutter. Taking too much material will cause tool too much deflection and chatter. Depending on your cut you may have to reduce your RPM &...
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    Coolant or no coolant - follow the tool...

    Coolant or no coolant - follow the tool manufactures recommendations.

    For finishing calculate per revolution NOT per flute. (Only per flute for end cutting using ground cutters.)

    For an...
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    A baud rate of 4800 will work. 9600 baud with a...

    A baud rate of 4800 will work. 9600 baud with a shielded cable of 80 feet can be flaky just sending and receiving files. I've had the same problem. So I use 4800 baud. We do not use the DNC any...
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    Estimating Feed Rates

    There are a number of issues.

    Index your feed rate. For 303 use .004 x diameter x number of flutes x RPM.

    Adjust your your average chip load by new IPM = old IPM x sqr( dia / width of cut)
    ...
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    Tool load monitoring

    Standard tool load monitor automatically takes avoiding action when load exceeds the specified limit, to avoid costly tool breakage.
    ...
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    Its been awhile.

    Hi all,

    Aside from the fact that I have not visited this site since Aug of 2008, in February 2010 my computer (at home) got hit by a BIOS attack.

    I had not realized that it had been so long....
  17. Thread: Touching-off

    by Paul_S
    Replies
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    529

    Generally I have all the tools to be set off to...

    Generally I have all the tools to be set off to top of the stock. I use a 1.000" alumium block like a go nogo gage. (So not to lower the tools directly on the part or on the block.*) Use the z tool...
  18. Thread: fadal or haas

    by Paul_S
    Replies
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    1,760

    Does that mean it has a 4th controller card? (Not...

    Does that mean it has a 4th controller card? (Not just the X, Y And Z cards.) What is the memory RAM size? And which OS is in it?

    Currently the company where I work is scouting for 3 Fadals with...
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    If you can't index the spindle in more than one...

    If you can't index the spindle in more than one index location. You could consider setting 4 tools and holders at the 90 degrees.

    For broaching on VMC we set addtional broaching tools for each 90...
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    The code only gives 1/8 plunge depth. Not the 1/4...

    The code only gives 1/8 plunge depth. Not the 1/4 you said. My guess is the plunge is staight. And the direction of the cut is conventional to the outside and climb to the inside making the cutter...
  21. Thread: formula?

    by Paul_S
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    14

    What you are asking is too vague. formulas can be...

    What you are asking is too vague. formulas can be written for just about any kind of geometery to be cut.

    Assuming(?) you want a slip(?) fit. Offset the geometery of the plug to be .001 to .002...
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    I hope it works out for you in your favor, one...

    I hope it works out for you in your favor, one way or the other.
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    Use cutter ipt & cipm indexing to miniumize tool breakage.

    If your breaking smaller end mills sooner than the larger end mill, try indexing your cuts.

    For example: If you are using .007 ipt on a two flute 1/2 end mill then your index for the flute per...
  24. Data points unless they lie on an axis plain...

    Data points unless they lie on an axis plain cannot be readily made into arcs. But points along an axis plain can be grouped in 3's and made into short connecting tangential and non-tangential arcs....
  25. Thread: new cnc mill

    by Paul_S
    Replies
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    338

    One question you need to ask, service? If the...

    One question you need to ask, service? If the machine needs repair, who do you call?
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