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Mike Whitten CAD/CAM Contractors

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Posts posted by Mike Whitten CAD/CAM Contractors

  1. Hello Jeff,

     

    I am sorry to hear of the bad news. Could you please let us know if the issue is showing up in Backplot and Verify.

    quote:

    It seems to work fine till it gets near the bottom of the cavity and then on a helical entry move it lows right into the walls as if there were no drive or check surfaces at all.


    Thanks,

    Mike

  2. I would say that the safest thing is to use the Vericut as Colin mentioned. If you buy it that is.

     

    I am thinking that this is an Area Clearance toolpath. If yes and depending on your current situation, you may want to filter with arcs at a much looser tolerance, about 20% of stock left.

     

    You will still be able to Verify in Vericut to check for a gouge.

  3. Pete,

     

    re: X2 MR2 SP1

     

    This issue just happened to me yesterday. It is very common and not file specific. The quick work around is to just exit the file and re-open. It will then work perfectly. If we send you a file, you will not be able to re-create as it will be a "fresh file".

     

    I do not have X3 yet so I can not comment on it.

     

    Thanks for help,

     

    Mike

  4. Takashi,

    I tried the Free Hand chook a long time back. I found it that it would be very nice for some people. It would not be practical for me as the version I was using would not respect the Z depth of the current TP.

     

    I would very happy to pay for it if this has been rectified. Please advise if you have a minute.

     

    Thanks

  5. Mike,

     

    You may want to insure that the tool you are using is designed for OD threads. Here is a snip from the Scientific catalog / website:

     

    ----------------------------

    How to Order Thread Mills

     

    Thread mills must completely enter the minor thread diameter before cutting the internal thread. (See figure 2) Thus our catalog lists the smallest internal thread that each thread mill can produce. The same thread mill can also produce any larger size thread of that same pitch. Also, for small sizes, it is best to use our short series with the reduced length of cut whenever possible.

     

    All of the straight flute thread mills are for internal threads only. All of the staggered tooth thread mills will cut both the internal and external threads. The helical thread mills over 0.187 diameter will also cut both internal and external threads.

     

    Staggered tooth thread mills have every other tooth removed in a staggered pattern; as the tool rotates the adjacent flute fills in for the tooth that was removed. This helps to reduce side cutting pressure, thus reducing chatter. This can be extremely beneficial in small external sizes and for set-ups that lack rigidity.

     

    Helical fluted thread mills are also designed to reduce side cutting pressure by distributing the cutting pressure along a helical flute. Although these tools cost slightly more, their high performance design allows for less chatter and higher feedrates.

    ---------------------------

     

    Mike

  6. Hello ron123,

     

    If you hit the question mark in the Solid Properties dialog box, it will show you the help material for this function.

     

    ------------------

    Note: The density calculation (based on the equation Mass = Volume * Density) works with any system of units, so that you can enter the Density using your base coordinate system's current units, English or metric. For example, if a length of 1 = 1 meter, then enter the density in kg/m3 to calculate the mass in kilograms. If the length is displayed in inches, then enter a density in lbs/in3 to calculate the mass in pounds.

    -----------------

     

     

    Mike

  7. Bogus,

     

    I was using the shallow function. I just tried it again and could not get it to work. Maybe I am doing something wrong? Will play with it again later. Have you used the shallow funtion with other tplanes?

     

    Thanks

  8. Hello Steve,

     

    I believe that you must have closed contours for "Start Point" to work. The point must also lie on the surface.

     

    You may have tried this but just in case. Go to the Link tab and select "use entry macro" for the First Entry option. Go down to the Entry/Exit macro and select the appropriate entry curve/line. IE: if you just need a straight line, select "tangential line". Depending on what you are doing, you may also have to select "use entry macro" in other areas such as "Links between slice"

     

    Mike

  9. The B axis issue was a problem for me also until I realized how easy it was to fix. I just comment out the "sav_rot_on_x = 0" line as shown below. I am not a post guru but this has always worked fine for me.

     

     

    ]

    #sav_rot_on_x = 0 # MWW<<<<<<<<<<<<<<<

    header = 0

     

    ptoolend$ #End of tool path, before reading new tool data

    !speed, !spdir2

     

    ptlchg1002$ #Call at actual toolchange, end last path here

     

     

    Mike

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