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Messages - Administrator

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31
Trouble Shooting / Re: Stepper Resolution
« on: July 11, 2017, 07:57:35 AM »
Mike, try using Ctrl-Up or Ctrl-Down to move an item up and down in the list...it's pretty fast to do it that way.

I'll look into adding a drag feature.

32
Trouble Shooting / Re: Stepper Resolution
« on: July 10, 2017, 09:46:51 PM »
> I've been correcting that in BCL manually. A menu option to do that automatically would be FANTASTIC!.

Mike, I'm about 80% finished with that new feature. It will work with Arcs, E-Arcs, Splines and Polylines.

33
Other Software / Re: Rdworks - Laserwork
« on: July 10, 2017, 09:44:54 PM »
>In any case, it ain't G-Code.

Nope...like most software found on CO2 lasers...they don't speak g-code...!!!

34
BenCutLaser / Re: Size of cutted objects smaller then drawing (OPEN)
« on: July 09, 2017, 01:05:33 PM »
1. Please click the link $$GrblSettings (BCL COM Port tab) and post the output so I can see your Grbl settings.

2. What ver of Grbl are you using?

This sounds like something is not set correctly in your firmware (Grbl) settings.

35
Z Axis / Re: 3d print Z axis
« on: July 09, 2017, 08:20:41 AM »
That looks really nice. I'll bet that large part would take some time to 3D print!!

Are you going to print the parts and make the modification?

36
General Discussion / Re: If you thought we had it bad
« on: July 09, 2017, 07:14:41 AM »
Here is the Cohesion board link: http://cohesion3d.com/motion-controllers

It's $99.00 USD.

I'm going to contact them and see if they will send me a controller board so I can check BCL with it. BCL should already work with it if it's Smoothie compatible, but I'd like to make sure.

UPDATE: I sent them a contact requesting a Cohesion board to test with. If they send me one, when I am finished with it, I will mail it to @Zax so he can test T2 with it.

37
Trouble Shooting / Re: Stepper Resolution
« on: July 08, 2017, 08:06:40 PM »
Mike, I'm taking a que from @Zax/T2 and I'm adding a menu selection to set all Spline drawing objects to their default direction: CCW.

This will be out in the next BCL release. This will save you from having to find each and every Spline and check its direction and change it, if needed. Now with this right mouse click pop up menu, you can set them all to the CCW direction quickly. I think this will help you (and perhaps others) a lot.

38
Trouble Shooting / Re: Stepper Resolution
« on: July 08, 2017, 01:40:12 PM »
I stopped counting when I found over 16 Arc objects that were drawn in the wrong direction. These will have to be reversed in the BCL tool path so the laser beam burns all of the Arcs in a smooth manner. Also, in BCL, Mike will have to use the FC/IC/LC tags to get the smoothest burn possible. This will take some manual work.

It would have been easier if these Arcs were converted to Splines. Then you wouldn't have nearly as many drawing objects. But it is what it is: we have Arcs.

A bit of work to get the correct tool path but that's due to whom ever created the DXF file: it was not really done correctly, but it can be fixed inside BCL.

If you do a little more work up front when creating the DXF file, you reduce the amount of manual 'clean up' or 'tweaking' you have to do inside your CAM software (T2 or BCL). Of course, many times you didn't create the DXF file so you're kind of stuck with what you get.

Another option would be to turn this into an image and engrave it as a raster image vs burning it as vector lines. T2 can do that now, BCL 2.0 soon.

To be clear I still think Mike's problem is with his frame/laser setup.

39
Trouble Shooting / Re: Stepper Resolution
« on: July 08, 2017, 01:01:07 PM »
Mike, you created a tool path for your DXF file right? The Arc drawing objects are not in the right sequence for 100% of the Arcs.

An example shown is attached.

40
Trouble Shooting / Re: Stepper Resolution
« on: July 08, 2017, 07:12:39 AM »
> BTW I tried ridiculously high values for Polyline Segments to Display and Gcode Text Dots per Inch and that didn't do anything.

If 20 and 24 didn't make any difference, this wouldn't either.

I'm still thinking you have a frame alignment issue.

41
Trouble Shooting / Re: Stepper motor not catching the rubber tread
« on: July 07, 2017, 09:28:59 PM »
I noticed that same thing (in the third photo from the top) but I wasn't sure what I was looking at was the flat spot on the stepper shaft. But looking again at it, I think you're right!!

There should be TWO set screws securing the pulley to the shaft: one of them needs to be screwed down onto that flat spot!

42
Trouble Shooting / Re: Stepper motor not catching the rubber tread
« on: July 07, 2017, 09:00:12 PM »
To clarify: does the pulley turn?

I don't see how the pulley can also be turning and not pull the belt through the wheels and move the carriage? The belt looks very tight. Can you push it in with your finger about 1/4 inch at the pulley?

44
Trouble Shooting / Re: Stepper Resolution
« on: July 07, 2017, 03:11:09 PM »
Recall Mike that I burned your logo awhile back myself. See attachment.

I'm beginning to think you have a frame or loose wheels issue? You have a wobble some where in your system I'm thinking.

Here is what I would check:

1. Remove all belts and make sure all belt pulley's are tight.

2. With belts off, can you move the X carriage any? Is there any wobble or play? If so, then you need to tighten the wheels and/or adjust the wheels to remove the play. Make sure you can still easily move the carriage left and right by hand (no belts) after any adjustments. I had to drill larger holes on the bottom of my X carriage acrylic parts so I had some room to move the wheels 'up' to get a good, snug fit. This removed the wobble I had.

3. Check and tighten all wheels and make sure none came loose.

4. Reinstall the belts. Adjust so there is about 1/4 inch of belt give, when you push in with your finger, next to a pulley.

45
Trouble Shooting / Re: Stepper Resolution
« on: July 07, 2017, 02:10:32 PM »
Try 20 for both and see if that smooths it out. 24 will be smoother yet but any increase from your current values will generate a larger g-code file.

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