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    <title>topic Will more than two decimal places cause trouble for milling and engraving? in Fusion Manufacture</title>
    <link>https://forums.autodesk.com/t5/fusion-manufacture/will-more-than-two-decimal-places-cause-trouble-for-milling-and/m-p/9060666#M69754</link>
    <description>&lt;P&gt;Hi,&lt;/P&gt;&lt;P&gt;I am working on a design that also gives the possibility of small letters being engraved instead&lt;/P&gt;&lt;P&gt;of being silk printed, using milling cutters with a diameter below 0.2mm.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Even though any dimensionn of the parts is "spot on" (i.e a knob hast a diameter of 18.0 mm&lt;/P&gt;&lt;P&gt;or a cutout has 120.4x30.4mm) the line withs of the engravings are not.&lt;/P&gt;&lt;P&gt;I designed and measured the typos using two decimal places.&lt;/P&gt;&lt;P&gt;So the desired line width was beteen 0.58 and 0.38mm.&lt;/P&gt;&lt;P&gt;But switching to three or four decimal places&lt;/P&gt;&lt;P&gt;while using the measure tool revealed that the line width is not spot on.&lt;/P&gt;&lt;P&gt;Could be 0.3812mm or 0.3805mm.&lt;/P&gt;&lt;P&gt;Now, the letters are just decorative. Nothing has to fit or pair mechanically&lt;/P&gt;&lt;P&gt;But I am worried how a CNC machine will deal with data that has four decimal places&lt;/P&gt;&lt;P&gt;instead of two or only one. (It will be probably a Datron Neo)&lt;/P&gt;&lt;P&gt;Should I rework the line width? Is there a possibility to "throw away" the last two decimals?&lt;/P&gt;&lt;P&gt;Because reworking every letter would be really PITA...&lt;/P&gt;&lt;P&gt;All the best,&lt;/P&gt;&lt;P&gt;Herbert&lt;/P&gt;</description>
    <pubDate>Tue, 01 Oct 2019 19:13:55 GMT</pubDate>
    <dc:creator>nocheinerunde</dc:creator>
    <dc:date>2019-10-01T19:13:55Z</dc:date>
    <item>
      <title>Will more than two decimal places cause trouble for milling and engraving?</title>
      <link>https://forums.autodesk.com/t5/fusion-manufacture/will-more-than-two-decimal-places-cause-trouble-for-milling-and/m-p/9060666#M69754</link>
      <description>&lt;P&gt;Hi,&lt;/P&gt;&lt;P&gt;I am working on a design that also gives the possibility of small letters being engraved instead&lt;/P&gt;&lt;P&gt;of being silk printed, using milling cutters with a diameter below 0.2mm.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Even though any dimensionn of the parts is "spot on" (i.e a knob hast a diameter of 18.0 mm&lt;/P&gt;&lt;P&gt;or a cutout has 120.4x30.4mm) the line withs of the engravings are not.&lt;/P&gt;&lt;P&gt;I designed and measured the typos using two decimal places.&lt;/P&gt;&lt;P&gt;So the desired line width was beteen 0.58 and 0.38mm.&lt;/P&gt;&lt;P&gt;But switching to three or four decimal places&lt;/P&gt;&lt;P&gt;while using the measure tool revealed that the line width is not spot on.&lt;/P&gt;&lt;P&gt;Could be 0.3812mm or 0.3805mm.&lt;/P&gt;&lt;P&gt;Now, the letters are just decorative. Nothing has to fit or pair mechanically&lt;/P&gt;&lt;P&gt;But I am worried how a CNC machine will deal with data that has four decimal places&lt;/P&gt;&lt;P&gt;instead of two or only one. (It will be probably a Datron Neo)&lt;/P&gt;&lt;P&gt;Should I rework the line width? Is there a possibility to "throw away" the last two decimals?&lt;/P&gt;&lt;P&gt;Because reworking every letter would be really PITA...&lt;/P&gt;&lt;P&gt;All the best,&lt;/P&gt;&lt;P&gt;Herbert&lt;/P&gt;</description>
      <pubDate>Tue, 01 Oct 2019 19:13:55 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/fusion-manufacture/will-more-than-two-decimal-places-cause-trouble-for-milling-and/m-p/9060666#M69754</guid>
      <dc:creator>nocheinerunde</dc:creator>
      <dc:date>2019-10-01T19:13:55Z</dc:date>
    </item>
    <item>
      <title>Re: Will more than two decimal places cause trouble for milling and engraving?</title>
      <link>https://forums.autodesk.com/t5/fusion-manufacture/will-more-than-two-decimal-places-cause-trouble-for-milling-and/m-p/9063058#M69769</link>
      <description>&lt;P&gt;The CAM ain't gonna care. Run it!&lt;/P&gt;</description>
      <pubDate>Wed, 02 Oct 2019 18:10:05 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/fusion-manufacture/will-more-than-two-decimal-places-cause-trouble-for-milling-and/m-p/9063058#M69769</guid>
      <dc:creator>seth.madore</dc:creator>
      <dc:date>2019-10-02T18:10:05Z</dc:date>
    </item>
    <item>
      <title>Re: Will more than two decimal places cause trouble for milling and engraving?</title>
      <link>https://forums.autodesk.com/t5/fusion-manufacture/will-more-than-two-decimal-places-cause-trouble-for-milling-and/m-p/9064280#M69808</link>
      <description>&lt;P&gt;Thanks, but could you explain why? Does it automatically tranctuate the third, fourth etc. digits?&lt;/P&gt;&lt;P&gt;Also will a CNC-machine try to faithfully reproduce any edge and curve,&lt;/P&gt;&lt;P&gt;comparing milling position to desired data, observed by the worker. So he would have to&lt;/P&gt;&lt;P&gt;be told whar can be negelected, which could produce errors...&lt;/P&gt;&lt;P&gt;All the best,&lt;/P&gt;&lt;P&gt;Herbert&lt;/P&gt;</description>
      <pubDate>Thu, 03 Oct 2019 09:28:58 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/fusion-manufacture/will-more-than-two-decimal-places-cause-trouble-for-milling-and/m-p/9064280#M69808</guid>
      <dc:creator>nocheinerunde</dc:creator>
      <dc:date>2019-10-03T09:28:58Z</dc:date>
    </item>
    <item>
      <title>Re: Will more than two decimal places cause trouble for milling and engraving?</title>
      <link>https://forums.autodesk.com/t5/fusion-manufacture/will-more-than-two-decimal-places-cause-trouble-for-milling-and/m-p/9064507#M69813</link>
      <description>&lt;P&gt;CAD/CAM systems really don't care what you specified a feature to be, via dimensions. It goes on actual positions and size of part/feature. If it's splitting microns, it will round out to 3 places, if in inch, it will round to 4 places.&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;Regarding your second question: A CNC is a dumb machine. It will do exactly what you tell it to do. The responsibility lies with the programmer, through the use of proper selections and setup/operation definitions, to feed the CNC good data.&lt;/P&gt;</description>
      <pubDate>Thu, 03 Oct 2019 11:22:43 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/fusion-manufacture/will-more-than-two-decimal-places-cause-trouble-for-milling-and/m-p/9064507#M69813</guid>
      <dc:creator>seth.madore</dc:creator>
      <dc:date>2019-10-03T11:22:43Z</dc:date>
    </item>
    <item>
      <title>Re: Will more than two decimal places cause trouble for milling and engraving?</title>
      <link>https://forums.autodesk.com/t5/fusion-manufacture/will-more-than-two-decimal-places-cause-trouble-for-milling-and/m-p/9064560#M69819</link>
      <description>&lt;P&gt;Thanks! Uhm-I guess I will rework to play things save.&lt;/P&gt;&lt;P&gt;There is no way to round a part to two or three decimals in Fusion360 ?&lt;/P&gt;&lt;P&gt;Maybe through export and re-import?&lt;/P&gt;&lt;P&gt;There is also the minor problem that the lettering for engraving was&lt;/P&gt;&lt;P&gt;done in awful TurboCad Mac Pro.&amp;nbsp; Now, in Fusion the&amp;nbsp; engraving is cut out using the Combine Tool&lt;/P&gt;&lt;P&gt;But it looks to me that Turbocad used too many faces to describe the curves and fillets of the letters&lt;/P&gt;&lt;P&gt;How can I simplify them to a single curve in Fusion...?&lt;/P&gt;&lt;P&gt;All the best,&lt;/P&gt;&lt;P&gt;Herbert&lt;/P&gt;</description>
      <pubDate>Thu, 03 Oct 2019 11:57:07 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/fusion-manufacture/will-more-than-two-decimal-places-cause-trouble-for-milling-and/m-p/9064560#M69819</guid>
      <dc:creator>nocheinerunde</dc:creator>
      <dc:date>2019-10-03T11:57:07Z</dc:date>
    </item>
    <item>
      <title>Re: Will more than two decimal places cause trouble for milling and engraving?</title>
      <link>https://forums.autodesk.com/t5/fusion-manufacture/will-more-than-two-decimal-places-cause-trouble-for-milling-and/m-p/9064576#M69820</link>
      <description>&lt;P&gt;Without seeing the file, I really can't point you in the right direction.&lt;/P&gt;
&lt;P&gt;File &amp;gt; Export &amp;gt; Save to local folder. Return to thread and attach the .f3d file in your reply&lt;/P&gt;</description>
      <pubDate>Thu, 03 Oct 2019 12:03:10 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/fusion-manufacture/will-more-than-two-decimal-places-cause-trouble-for-milling-and/m-p/9064576#M69820</guid>
      <dc:creator>seth.madore</dc:creator>
      <dc:date>2019-10-03T12:03:10Z</dc:date>
    </item>
    <item>
      <title>Re: Will more than two decimal places cause trouble for milling and engraving?</title>
      <link>https://forums.autodesk.com/t5/fusion-manufacture/will-more-than-two-decimal-places-cause-trouble-for-milling-and/m-p/9069102#M69975</link>
      <description>&lt;P&gt;Thanks for the offer! Now I started to design letters from scratch - everything is done by&lt;/P&gt;&lt;P&gt;starting with boxes that have basic sizes like 3.18x3.38mm. Line widths are 0.38mm.&lt;/P&gt;&lt;P&gt;I know I can use typos for this but I want defined values and rather love to "carve" the letter out of the box.&lt;/P&gt;&lt;P&gt;Later the letters are placed in a defined distance (Mostly 1.02mm) and combined to one body using a new box.&lt;/P&gt;&lt;P&gt;After this step&amp;nbsp; measuring with more than 4 decimals suddenly shows deviations.&lt;/P&gt;&lt;P&gt;I.e. the y-position of the letters did show no deviation after they were designed and aligned, measured them with 8 decimals.&lt;/P&gt;&lt;P&gt;But after combining them the deviations appeared beyond the 5th digit.&lt;/P&gt;&lt;P&gt;I had to move the letters by the deviation and re- position them by the desired value, then re-combine them&lt;/P&gt;&lt;P&gt;This is really strange, as I am working only with two decimals in my design anyway!&lt;/P&gt;&lt;P&gt;And of xourse I expect the lower decimals to be zero as well.&lt;/P&gt;&lt;P&gt;Same with moving, mostly only one decimal is needed for positioning and is entered manually.&lt;/P&gt;&lt;P&gt;But it seems that also moving causes deviations in the last three decimals.&lt;/P&gt;&lt;P&gt;I attached a file with the corrected letters as well with the deviated positions.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;A body, originally being part of this file, but too big to attach. The body has also strong deviations when measuring&lt;/P&gt;&lt;P&gt;with more than 3 digits, what I did for months. Also this body never needed more than 1 decimal in 90%&lt;/P&gt;&lt;P&gt;of all steps.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Just for reminding: The origin of the document was a .sat import from TurboCad Mac Pro.&lt;/P&gt;&lt;P&gt;It was reworked hundreds of times after that in Fusion360 but maybe a sat-import, even hundreds of versions away in the past, might still cause the deviations when modelling? Like that little - long forgotten and deeply buried&lt;/P&gt;&lt;P&gt;line of code that makes robots go berserk in "Westworld"...?&lt;/P&gt;&lt;P&gt;All the best,&lt;/P&gt;&lt;P&gt;Herbert&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Sat, 05 Oct 2019 21:47:14 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/fusion-manufacture/will-more-than-two-decimal-places-cause-trouble-for-milling-and/m-p/9069102#M69975</guid>
      <dc:creator>nocheinerunde</dc:creator>
      <dc:date>2019-10-05T21:47:14Z</dc:date>
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