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    <title>topic Mach3 doing something different from f360 simulation on ellipse in Fusion Manufacture</title>
    <link>https://forums.autodesk.com/t5/fusion-manufacture/mach3-doing-something-different-from-f360-simulation-on-ellipse/m-p/9206949#M73154</link>
    <description>&lt;P&gt;Hi, I've been trying to make a ellipse shape bread board. I've drawn it in f360 - simple sketch, 2 ellipses. extrude the outside one, the inside one being for the groove. Then in manufacture I do a project for the groove - this is fine. For the outside I just do a 2d contour for a 10mm straight bit. This looks fine and runs fine on the simulation. However when I open the file in mach3 i can see a couple of circles in the board so it cuts the outline and also cuts in the 2semi circles. Unfortunately I didn't see this until i'd actually cut it out.&amp;nbsp;&lt;/P&gt;&lt;P&gt;Is there a bug that anyone is aware of? Should I be aiming this question on a mach3 forum? I have tried in manufacture to delete the contour and redo - same issue. I've then done a drawing from scratch and i'm still getting the same issue. It's not the lead in - this is outside the contour and in a different position. The 2 holes are just below centre on the ellipse and symmetrical&amp;nbsp;in position - any help much appreciated&lt;/P&gt;</description>
    <pubDate>Tue, 17 Dec 2019 13:44:14 GMT</pubDate>
    <dc:creator>matt.petrie</dc:creator>
    <dc:date>2019-12-17T13:44:14Z</dc:date>
    <item>
      <title>Mach3 doing something different from f360 simulation on ellipse</title>
      <link>https://forums.autodesk.com/t5/fusion-manufacture/mach3-doing-something-different-from-f360-simulation-on-ellipse/m-p/9206949#M73154</link>
      <description>&lt;P&gt;Hi, I've been trying to make a ellipse shape bread board. I've drawn it in f360 - simple sketch, 2 ellipses. extrude the outside one, the inside one being for the groove. Then in manufacture I do a project for the groove - this is fine. For the outside I just do a 2d contour for a 10mm straight bit. This looks fine and runs fine on the simulation. However when I open the file in mach3 i can see a couple of circles in the board so it cuts the outline and also cuts in the 2semi circles. Unfortunately I didn't see this until i'd actually cut it out.&amp;nbsp;&lt;/P&gt;&lt;P&gt;Is there a bug that anyone is aware of? Should I be aiming this question on a mach3 forum? I have tried in manufacture to delete the contour and redo - same issue. I've then done a drawing from scratch and i'm still getting the same issue. It's not the lead in - this is outside the contour and in a different position. The 2 holes are just below centre on the ellipse and symmetrical&amp;nbsp;in position - any help much appreciated&lt;/P&gt;</description>
      <pubDate>Tue, 17 Dec 2019 13:44:14 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/fusion-manufacture/mach3-doing-something-different-from-f360-simulation-on-ellipse/m-p/9206949#M73154</guid>
      <dc:creator>matt.petrie</dc:creator>
      <dc:date>2019-12-17T13:44:14Z</dc:date>
    </item>
    <item>
      <title>Re: Mach3 doing something different from f360 simulation on ellipse</title>
      <link>https://forums.autodesk.com/t5/fusion-manufacture/mach3-doing-something-different-from-f360-simulation-on-ellipse/m-p/9207001#M73155</link>
      <description>&lt;P&gt;try to disable lead-in and lead-out arcs in linking tab (set them 0 or better uncheck all lead params)&lt;/P&gt;&lt;P&gt;or uncheck smoothing&lt;/P&gt;&lt;P&gt;then look, how it works now in mach3&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;also mach3 have a simulate pass function in 3rd tab from left&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;if issue remains then try to adjust arc parametrs in postprocessor dialog&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;try to change : radius arcs,allow helical moves,maximum circ radius, minimum circ radius&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;if it not works you can check end edit your toolpath with cimco edit or similiar cnc editor&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Tue, 17 Dec 2019 13:58:30 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/fusion-manufacture/mach3-doing-something-different-from-f360-simulation-on-ellipse/m-p/9207001#M73155</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2019-12-17T13:58:30Z</dc:date>
    </item>
    <item>
      <title>Re: Mach3 doing something different from f360 simulation on ellipse</title>
      <link>https://forums.autodesk.com/t5/fusion-manufacture/mach3-doing-something-different-from-f360-simulation-on-ellipse/m-p/9207127#M73156</link>
      <description>&lt;P&gt;Hi, thanks for the quick response. I've given that a try, but still to no avail. I've attached a pic to show what was actually cut out, not sure if this helps? The holes are much larger than the lead in/out on the left&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="IMG_0313.jpg" style="width: 999px;"&gt;&lt;img src="https://forums.autodesk.com/t5/image/serverpage/image-id/708827i7BB034230683249B/image-size/large?v=v2&amp;amp;px=999" role="button" title="IMG_0313.jpg" alt="IMG_0313.jpg" /&gt;&lt;/span&gt;&lt;/P&gt;</description>
      <pubDate>Tue, 17 Dec 2019 14:34:17 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/fusion-manufacture/mach3-doing-something-different-from-f360-simulation-on-ellipse/m-p/9207127#M73156</guid>
      <dc:creator>matt.petrie</dc:creator>
      <dc:date>2019-12-17T14:34:17Z</dc:date>
    </item>
    <item>
      <title>Re: Mach3 doing something different from f360 simulation on ellipse</title>
      <link>https://forums.autodesk.com/t5/fusion-manufacture/mach3-doing-something-different-from-f360-simulation-on-ellipse/m-p/9207173#M73157</link>
      <description>&lt;P&gt;Thanks jonny, smoothing was not ticked - i ticked and changed to 0.0001 and all looks like it will work now - i'm going to go and try now&lt;/P&gt;</description>
      <pubDate>Tue, 17 Dec 2019 14:51:58 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/fusion-manufacture/mach3-doing-something-different-from-f360-simulation-on-ellipse/m-p/9207173#M73157</guid>
      <dc:creator>matt.petrie</dc:creator>
      <dc:date>2019-12-17T14:51:58Z</dc:date>
    </item>
    <item>
      <title>Re: Mach3 doing something different from f360 simulation on ellipse</title>
      <link>https://forums.autodesk.com/t5/fusion-manufacture/mach3-doing-something-different-from-f360-simulation-on-ellipse/m-p/9207510#M73166</link>
      <description>&lt;P&gt;looks like that there is a g41 g42 radius comp in your code&lt;/P&gt;&lt;P&gt;maybe problem in it&lt;/P&gt;&lt;P&gt;attache fusion file&lt;/P&gt;&lt;P&gt;look on it later&lt;/P&gt;</description>
      <pubDate>Tue, 17 Dec 2019 16:44:00 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/fusion-manufacture/mach3-doing-something-different-from-f360-simulation-on-ellipse/m-p/9207510#M73166</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2019-12-17T16:44:00Z</dc:date>
    </item>
    <item>
      <title>Re: Mach3 doing something different from f360 simulation on ellipse</title>
      <link>https://forums.autodesk.com/t5/fusion-manufacture/mach3-doing-something-different-from-f360-simulation-on-ellipse/m-p/9207660#M73169</link>
      <description>&lt;P&gt;many thanks, here's the old file - actually it doesn't seem to allow me to add the attachment&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Tue, 17 Dec 2019 17:40:04 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/fusion-manufacture/mach3-doing-something-different-from-f360-simulation-on-ellipse/m-p/9207660#M73169</guid>
      <dc:creator>matt.petrie</dc:creator>
      <dc:date>2019-12-17T17:40:04Z</dc:date>
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