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August 20, 2019, 19:08:39 pm


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16  Support / CamBam help (General usage) / Re: CamBam Out Of Memory on: January 12, 2019, 11:00:10 am
This is a small size engraving with only one depth to engrave to.
Do I understand correctly that you are doing this with a 3D MOP from a mesh?
If there is really only one depth there is no reason for that.
Use the outline to make a pocket or profile.  It will be much quicker to machine, cleaner and you will not be stressing your memory limits.
Don
17  Made by CamBam / Members Machines / Re: I have a friend who's interested in HAAS mills, but I've never used one on: January 07, 2019, 12:41:29 pm
Here in Switzerland Haas has a bad reputation, but both shops that I know that have them are happy with them.
I don't know more 'though.
Don
18  Made by CamBam / Members Projects / Re: Tomorrow! Wiring up the new router control. on: January 01, 2019, 21:00:48 pm

I WILL consider putting it on there, though, only so if a design needs 'tweaking' after a trial run, it would be readily available. 
Lloyd

That is the only reason I installed CamBam on the machine computer.

+1

Don
19  FeedBack / Feature Requests / Re: roughing cycle for outline contur on: October 08, 2018, 20:15:05 pm
But ...
Yeh, the ones I know are much more expensive than CB, a factor 200 to 300 or more.
They would have to save me something around a half a years work to be worthwhile.
CB has the best relation price/functionality around.

Another thought, won't turning the entire piece into chips take much more time than just milling around what you need?  Think about it.
Don
20  FeedBack / Feature Requests / Re: roughing cycle for outline contur on: October 07, 2018, 16:23:08 pm
Hi Race,
It makes no difference how you do or call it.
You have to fix a part of your work piece that you are not going to cut away, otherwise it will fly around your ears, and usually will break your tool.
A standard way of doing this is to make a thin profile around the part with tabs. The tabs hold the piece and the material together.  You then remove the tabs by hand after milling.
Don
21  FeedBack / Feature Requests / Re: roughing cycle for outline contur on: October 07, 2018, 16:12:07 pm
Hi Race,
To be more complete, follow these steps:
- Make a perimeter Polyline somewhat bigger (tool dia. - stepover for example) than your workpiece.
- Make a polyline of the part geometry.
- Select them both and make a profile MOP.
- Set your parameters in the MOP, tool etc., and the cut width somewhat more than the largest distance from the outer perimeter to the part geometry.
- Set Inside/Outside to inside.
- Make the tool paths and you will see that it cuts from the outside to the inside.

Have fun,
Don

22  Resources / Scripts and Plugins / Re: Plugin to find Z level of a surface at the cursor position on: October 06, 2018, 19:17:14 pm
Hi Eddy,
Great idea. I assume it works with stl surfaces, will it for from a step model too?
If it does I would finally see a reason to use the step import.
Thanks,
Don
23  Support / CamBam help (General usage) / Re: Mach3 is shifting X-Axis, Newbie needs help on: September 24, 2018, 12:54:05 pm
In case that the problem is related to Loosing Steps, how can I verify that?
As you state that homing again at the end results in moving to an offset position it is sure that you are loosing steps for some reason (or the workpiece is moving).
Would it be possible for you to exchange the cables from your controller to the steppers, X and Y?
If your design allows you to mill with exchanged X and Y you can see if the error stays on the old X or follows to the old Y after exchanging.  If the error doesn't move it is a mechanical problem, if the error moves to the other axis it is a problem in the electronics.
Don
 
24  Support / CamBam help (General usage) / Re: Mach3 is shifting X-Axis, Newbie needs help on: September 22, 2018, 23:36:39 pm
I doubt that backlash is the only problem.
There may also be backlash, but as the error appears to increase with each pass something else is happening too.
Steppers loosing steps or workpiece moving would be my first ideas looking at your picture.
Try reducing the feeds by a large amount, 50% for example and mark the position of your workpiece on the table to see if it is moving.
That should give you an idea what is happening.
Don
 
25  Support / CamBam help (General usage) / Re: 3D surface problems near vertical faces on: September 10, 2018, 12:30:00 pm
I am not the 3D expert, but remember the 3D MOPs always produce an approximation of the surface, it may be a near approximation depending on the resolution etc, but still.  If you need precise dimensions 3D MOPs are not the way to go.
If you need a perfect vertical surface to a certain depth extract the profile you need from the 3D surface and use either a profile or pocket MOP.  CB has functions such as EDIT>SURFACE>PLANE_SLICE to extract profiles from a surface.
Don
26  Support / CamBam help (General usage) / Re: glue machine help on: August 13, 2018, 15:03:43 pm
Glue dispensing is an art.
I have spend many weeks optimising.
But in the end it is possible.
Lloyd already mentioned the most important points.
Also each dispensing machine is different, what works on one does not necessarily work on another.
You just need to spend the time to find out what works on yours.
Don
27  Support / CamBam help (General usage) / Re: Actually, No problems Just a MOP question to learn something. on: July 16, 2018, 07:44:51 am
When I set "units" to mm and measure across the face of the clock, I get 225. When I set the "units" to inches and I measure across the clock face, I get 225 and so forth .
It is like I said above.  CB doesn't use the inch/mm info except to send it to your controller.
When you change the "units" the values don't change, just how they are interpreted on your controller.
If you want to change the values use >edit>transform>resize
There you have the complete transformation matrix to play with. 
For simple inch->mm or mm->inch resizing there are preset buttons at the lower left of the window.
Don
28  Support / CamBam help (General usage) / Re: Actually, No problems Just a MOP question to learn something. on: July 15, 2018, 09:40:45 am
I thought CB always measured in mm.

Hi Bill,
Actually, CB doesn't care what the units are. It works in units, it is the controller of your mill that converts those units to mm, inches or light years.
You set metric or imperial units so CB puts the correct command in the g-code to tell the controller how to interprete the units.
Have fun,
Don
29  FeedBack / Feature Requests / STEP file import on: July 11, 2018, 10:10:21 am
I see that the new verson 1.0 is supposed to be able to import STEP files.
What are the limitations to this import?
I have files that import OK and files that cause CB to crash and I see no real differrence other than the file size.
A file of 225k imports OK, a file of 290k causes CB to crash.
Is it the file size that causes a problem or could it be something else?
Both files are created with Alibre 2018 in STEP 203 format.
Thanks in advance for your insights.
Don
30  Support / CamBam help (General usage) / Re: Layout cut on multiple sheet on: July 08, 2018, 16:24:10 pm
From your description I'm not sure what the problem is.
Do you have parts that 1) are larger than you sheet or do you have  2) a set of parts that could be layed out on one big sheet, but because of your machining envelope they are on several smaller sheets.
for 1) index points are needed as Bob said above.
Personally I have a fixture with index pins hat I use for all my work.  The material blanks all get holes for those pins and if the part extends off the fixture part of the 1st step machining is drilling the positioning holes for the second step... etc.
for 2) I'm not sure what the problem is, you just have 2 sheets and not 1.  They could be in 1 CB file as you say, but I think it would be simpler just to make the correspnding number of CB files.
Don
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