topic Creo NC - Constant_load retract distance issue in 3D Part & Assembly Design https://www.ptcusercommunity.com/t5/3D-Part-Assembly-Design/Creo-NC-Constant-load-retract-distance-issue/m-p/152198#M4422 <HTML><HEAD></HEAD><BODY><P>Trying to do a volume rough, constant load with minimal retract.&nbsp; Volume to be milled is "L" shaped.</P><P>Image #1, I've set the Approach-Wall at red arrow. Image 2 is resultant toolpath.</P><P>The first leg of the "L" it machines as expected (with minimal retract between climb cuts, nice).&nbsp; However I can't figure out why it is retracting on the second leg to the top surface of the part (actually, it is retracting above the top surface by LIFT_TOOL-CLEARANCE distance of .005").</P><P></P><P>If I change Approach-Wall to other end of "L", result is the same (image 3).</P><P></P><P>Now, if i remove all Approach-Walls, it does a helical plunge in the corner, and then does the constant-load, minimal retract path exactly as i would want (image 4).&nbsp; trouble is that i do not want to helical plunge, I want to enter from the approach wall!</P><P></P><P>seems like having (any) Approach-Wall selected is making it retract on the long run of the "L" for some reason...</P><P></P><P>Anyone have any ideas?&nbsp; Thank you for looking</P><P><SPAN style="font-size: 13.3333px;"><BR /></SPAN></P><P><SPAN style="font-size: 13.3333px;">NC assembly attached.</SPAN></P><P>Creo 3.0 M040</P><P></P><P>some notable parameters:</P><P>scan_type constant_load</P><P>Rough_option Rough_only</P><P>retract_option optimize</P><P>min_retract_distance 500</P><P>cut_type climb</P><P>lift_tool_clearance .005</P><BR /><STRONG>This thread is inactive and closed by the PTC Community Management Team. If you would like to provide a reply and re-open this thread, please notify the moderator and reference the thread. You may also use "Start a topic" button to ask a new question. Please be sure to include what version of the PTC product you are using so another community member knowledgeable about your version may be able to assist. </STRONG></BODY></HTML> Sat, 12 Dec 2020 11:55:36 GMT coredaus 2020-12-12T11:55:36Z Creo NC - Constant_load retract distance issue https://www.ptcusercommunity.com/t5/3D-Part-Assembly-Design/Creo-NC-Constant-load-retract-distance-issue/m-p/152198#M4422 Trying to do a volume rough, constant load with minimal retract.&nbsp; Volume to be milled is "L" shaped.Image #1, I've set the Approach-Wall at red arrow. Image 2 is resultant toolpath.The first leg of the "L" it machines as expected (with minimal retract between climb Sat, 12 Dec 2020 11:55:36 GMT https://www.ptcusercommunity.com/t5/3D-Part-Assembly-Design/Creo-NC-Constant-load-retract-distance-issue/m-p/152198#M4422 coredaus 2020-12-12T11:55:36Z Re: Creo NC - Constant_load retract distance issue https://www.ptcusercommunity.com/t5/3D-Part-Assembly-Design/Creo-NC-Constant-load-retract-distance-issue/m-p/152199#M4423 <HTML><HEAD></HEAD><BODY><P>I ran your attached file and it looks ok to me</P><P>-Josh</P><P><IMG alt="Capture2.JPG" class="jive-image image-2" src="https://community.ptc.com/legacyfs/online/106786_Capture2.JPG" style="height: auto;" /><IMG alt="Capture.JPG" class="jive-image image-1" src="https://community.ptc.com/legacyfs/online/106785_Capture.JPG" style="width: 620px; height: 518px;" /></P></BODY></HTML> Fri, 23 Sep 2016 21:27:06 GMT https://www.ptcusercommunity.com/t5/3D-Part-Assembly-Design/Creo-NC-Constant-load-retract-distance-issue/m-p/152199#M4423 joshuataylor 2016-09-23T21:27:06Z