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1

Bug Reports / [V1 - 79] Holding tabs flip when saved

« on: January 03, 2024, 21:26:56 pm »

I've encountered a small problem with Tabs. When I create a CB file. All is good while I'm working in the drawing. When I save it, close it, then reopen the file the holding tabs will be flipped 180 degrees. I've searched the forum and haven't found a repeat of this exact problem. I have tried a couple of fixes for other similar problems including changing tab size. I'm working on four files all similar in that they are small holes 2-3 inch diameters for speakers (tweeters) that are acting this way. Interesting is that if I change from inside to outside cuts the tabs will still flip in the wrong direction after reopening. This only happens after the file is reopened though. Also. if I only slightly touch and move the tab it will immediately flip too the correct direction. I'm uploading a file for anyone interested to look at. I'm also wondering if it isn't my original .DXF that is the problem. It's only the circles that are giving me this problem.

2

CamBam help (General usage) / Change of Z along an elliptical path.

« on: January 29, 2023, 20:46:38 pm »

What I'm trying to do is have a change in Z either a + or - . So what I'm trying to do is have a tool path that starts at point A and ends at point B and that path contain several arc segments (or line segments with or without arcs). Those lines and/or arcs will create the path being cut, of course. My Cad program created a 24 segment ellipse, so that's the example I'm using. In an example case I want the path to begin at A=0 and end at B=-0.125 and the end result be one ramp to depth. I have tried this using the engrave and v-carve plug-ins but both failed to give the result needed. Engrave just plain failed (it was never meant to work this way) and V-Carve lowered the tool only along the first line segment of the POLY. I did successfully (somewhat) calculate and edit the G-code to produce the results I was after but really want to automate this function BAM.

Edit: As I have been working on finding a solution to this I've realized that this post was improperly named. An ellipse is just the path that I was/am happen to be working with at this time. However, the result that I'm after could apply to any group of lines connected as a closed or unclosed polyline of any description.

3

CamBam help (General usage) / Copying and pasting between .cb files

« on: March 21, 2019, 19:30:32 pm »

A few weeks ago I received a fairly large ongoing batch of work. There are several permutations of the design based on one main design of which I am able to turn on and off each feature as necessary to create different GCode and change the part. When I originally received the art for this project it came as a .dxf and all went well but I knew I'd be getting other features to be added later. Manually adding the changes needed for the new features to the .dxf received. Using the original .dxf in order to get the proper spacing between features then copied and pasted only those new features to a new .dxf which I then opened in CAMBAM and created a polyline .cb file. Then took all of those features and copied those onto the original working .cb file. Fat, dumb and happy went on to tool path all the new changes. Generating tool paths revealed some really awful looking paths at which time realizing that by adding the features the way I did must corrupt the original .cb file. After much experimentation, I found a solution but am hoping it's not the only solution. I exported it as a .dxf, opened the .dxf and saved it again as a .cb file. Having done this the way I did I had to re-create the mop's which was a case of copy/paste from a saved backup file. It worked well but took several hours to add everything and reorganize the mop's in the order I want them to be (tool changes and cut ordering). My question is, is there a better way to do this (adding polylines to an existing working file) or is it just not supposed to be done?