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#1 2006-10-03 21:21:59

sureshnaiduc
Member
From: Auckland
Registered: 2006-08-17
Posts: 32
Website

Tap( thread display ) problem

Hi

when we have tapping in the program ,  is there any way we can know from the vericut if the threads are forming or not.

[ problem was when we checked the cut stk the dimentions were exact, but the actual component came without threads as the feed rate was wrong ]

cheers

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#2 2006-10-04 13:19:34

vhubbard
Beta User
From: Dallas, TX
Registered: 2004-11-11
Posts: 222
Website

Re: Tap( thread display ) problem

Vericut can cut a threadmill accurately. If you define a tool with the Threads on it.  In our case we use a 60 degree saw tooth profile with the pitch distance being the distance from thread to thread.  Visual inspection of the model.  Nothing in Vericut reports the threads.

Standard threads are run the same as a drill cycle.  An enhancement is needed.  I wish we could use an insert tool to make true threads.

The only other answer is to put in the .ctl a calculation in the thread cycle to back calculate the Spindle and feed settings to a TPI/TPMM and report that to the user as a message.

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#3 2006-10-04 18:18:01

sureshnaiduc
Member
From: Auckland
Registered: 2006-08-17
Posts: 32
Website

Re: Tap( thread display ) problem

Thx for your suggestion. do u know if i can find 60 degree saw tooth ( or any tool to test ) in the cgtech library.

i couldn't get it done with dxf,  as i couldn't use dxf from solid works to work in vericut.

cheers

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#4 2006-10-04 21:26:34

vhubbard
Beta User
From: Dallas, TX
Registered: 2004-11-11
Posts: 222
Website

Re: Tap( thread display ) problem

Thanks, I liked the suggestion too. I implemented the TPI calculation feed back in our controls today. :wink:

Here is an example of a threadmill cutter definition.  Using SOR, not an insert.  We have a program generate Vericut cutter lists from a cutter data library.  A bunch of simple, redundant math.
6.x version.  32 pitch.  Once you get 3 points of a "flute" done, they just repeat, adjusting Z for how many flutes you need.

<Type>Milling</Type>
      <Cutter FluteLength="0.75" ShankDiameter="0.164">
        <SOR ID="SLD004">
          <Pt>
            <X>0</X>
            <Z>0.0625</Z>
          </Pt>
          <Pt>
            <X>0.054588</X>
            <Z>0.0625</Z>
          </Pt>
          <Pt>
            <X>0.082</X>
            <Z>0.078125</Z>
          </Pt>
          <Pt>
            <X>0.054588</X>
            <Z>0.09375</Z>
          </Pt>
          <Pt>
            <X>0.082</X>
            <Z>0.109375</Z>
          </Pt>
          <Pt>
            <X>0.054588</X>
            <Z>0.125</Z>
          </Pt>
          <Pt>
            <X>0.082</X>
            <Z>0.140625</Z>
          </Pt>
          <Pt>
            <X>0.054588</X>
            <Z>0.15625</Z>
          </Pt>
          <Pt>
            <X>0.082</X>
            <Z>0.171875</Z>
          </Pt>
          <Pt>
            <X>0.054588</X>
            <Z>0.1875</Z>
          </Pt>
          <Pt>
            <X>0.082</X>
            <Z>0.203125</Z>
          </Pt>
          <Pt>
            <X>0.054588</X>
            <Z>0.21875</Z>
          </Pt>
          <Pt>
            <X>0.082</X>
            <Z>0.234375</Z>
          </Pt>
          <Pt>
            <X>0.054588</X>
            <Z>0.25</Z>
          </Pt>
          <Pt>
            <X>0.082</X>
            <Z>0.265625</Z>
          </Pt>
          <Pt>
            <X>0.054588</X>
            <Z>0.28125</Z>
          </Pt>
          <Pt>
            <X>0.082</X>
            <Z>0.296875</Z>
          </Pt>
          <Pt>
            <X>0.054588</X>
            <Z>0.3125</Z>
          </Pt>
          <Pt>
            <X>0.082</X>
            <Z>0.328125</Z>
          </Pt>
          <Pt>
            <X>0.054588</X>
            <Z>0.34375</Z>
          </Pt>
          <Pt>
            <X>0.082</X>
            <Z>0.359375</Z>
          </Pt>
          <Pt>
            <X>0.054588</X>
            <Z>0.375</Z>
          </Pt>
          <Pt>
            <X>0.082</X>
            <Z>0.390625</Z>
          </Pt>
          <Pt>
            <X>0.054588</X>
            <Z>0.40625</Z>
          </Pt>
          <Pt>
            <X>0.082</X>
            <Z>0.421875</Z>
          </Pt>
          <Pt>
            <X>0.054588</X>
            <Z>0.4375</Z>
          </Pt>
          <Pt>
            <X>0.082</X>
            <Z>0.453125</Z>
          </Pt>
          <Pt>
            <X>0.054588</X>
            <Z>0.46875</Z>
          </Pt>
          <Pt>
            <X>0.082</X>
            <Z>0.484375</Z>
          </Pt>
          <Pt>
            <X>0.054588</X>
            <Z>0.5</Z>
          </Pt>
          <Pt>
            <X>0.082</X>
            <Z>0.515625</Z>
          </Pt>
          <Pt>
            <X>0.054588</X>
            <Z>0.53125</Z>
          </Pt>
          <Pt>
            <X>0.082</X>
            <Z>0.546875</Z>
          </Pt>
          <Pt>
            <X>0.054588</X>
            <Z>0.5625</Z>
          </Pt>
          <Pt>
            <X>0.082</X>
            <Z>0.578125</Z>
          </Pt>
          <Pt>
            <X>0.054588</X>
            <Z>0.59375</Z>
          </Pt>
          <Pt>
            <X>0.082</X>
            <Z>0.609375</Z>
          </Pt>
          <Pt>
            <X>0.054588</X>
            <Z>0.625</Z>
          </Pt>
          <Pt>
            <X>0.082</X>
            <Z>0.640625</Z>
          </Pt>
          <Pt>
            <X>0.054588</X>
            <Z>0.65625</Z>
          </Pt>
          <Pt>
            <X>0.082</X>
            <Z>0.671875</Z>
          </Pt>
          <Pt>
            <X>0.054588</X>
            <Z>0.6875</Z>
          </Pt>
          <Pt>
            <X>0.082</X>
            <Z>0.703125</Z>
          </Pt>
          <Pt>
            <X>0.054588</X>
            <Z>0.71875</Z>
          </Pt>
          <Pt>
            <X>0.082</X>
            <Z>0.734375</Z>
          </Pt>
          <Pt>
            <X>0.054588</X>
            <Z>0.75</Z>
          </Pt>
          <Pt>
            <X>0.082</X>
            <Z>0.765625</Z>
          </Pt>
          <Pt>
            <X>0.082</X>
            <Z>1.2</Z>
          </Pt>
          <Pt>
            <X>0</X>
            <Z>1.2</Z>
          </Pt>
          <Color>17</Color>
          <NoSpin>0</NoSpin>
          <SpindleDirection>CW</SpindleDirection>
        </SOR>
      </Cutter>

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#5 2006-10-08 19:14:05

sureshnaiduc
Member
From: Auckland
Registered: 2006-08-17
Posts: 32
Website

Re: Tap( thread display ) problem

Hi .

Where can i request cgtech to include this feature in next upgrade.

[ With tap tools, wish we could visually see the thread and measure the pitch etc., , check the effect on the changes of feedrate ]

cheers

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#6 2006-10-09 14:13:14

vhubbard
Beta User
From: Dallas, TX
Registered: 2004-11-11
Posts: 222
Website

Re: Tap( thread display ) problem

Send an email to CGTech customer support to turn in an enhancement request.   Send a copy to your CGTech sales representative.

There is also a place on this board for Future Release Suggestions discussions.  I would suggest you post it in the Future Release Suggestions area after submitting it to CGTech.

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