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January 21, 2020, 11:44:15 am


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1  Support / CamBam help (General usage) / Re: drilling on: January 14, 2020, 18:12:50 pm
"Lloyd, I did exactly gcode upon your instructions (set peck distance) and it works!!!!  Cheesy I was so proud about myself, jumping here yesterday  Grin Big help, thanks!!"
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Hey!  Terrific Hana!  I was just the first guy to jump in with a suggestion.  You'll find this to be the MOST helpful technical site on the internet.  In fact, I'm seldom the person who offers a suggestion, because so many people help.

Lloyd
2  Support / CamBam help (General usage) / Re: drilling on: January 13, 2020, 23:51:13 pm
Yes!  You must declare a 'peck distance'.  I had typed that in my previous response, and somehow deleted it before posting.

Not only is the <DrillPeck>...</Drillpeck> clause necessary, but you MUST declare a peck distance in the drilling MOps.

Lloyd
3  Support / CamBam help (General usage) / Re: drilling on: January 13, 2020, 18:40:17 pm
Have you actually tried drilling, or are you just looking at the g-code?  I ask, because most machines only need the portions of a drilling cycle that have changed since the last iteration of that cycle.

However, if your machine needs ALL the parameters for every cycle, you'll need to add this clause to your post-processor:   <DrillPeck>G83 {$x} {$y} {$z} {$q} {$f} {$r}</DrillPeck>

In addition, I see you have not actually declared a post-processor.  Load the 'default' PP into a text editor, add that line, then save it to a NEW Name.cbpp (save it in the post-processors directory).

Use that name (without the .cbpp suffix) as your Post Processor name in the Machining tab of your most-recent .cb file, and save the file.

Lloyd
4  Support / CamBam help (General usage) / Re: drilling on: January 13, 2020, 16:54:50 pm
Hana,
I think you attached the wrong file.  There are no machining operations in the one you attached.

We don't wish to see only the drawing, we wish to see how it's presently being machined, so we may offer corrections.

Yours,
Lloyd
5  Support / CamBam help (General usage) / Re: Z heights go crazy on: January 08, 2020, 22:25:20 pm
Yup!  I've had it happen.  Our old machine is stepper-based, and I have to pay CLOSE attention to cleaning, lubrication, and other minor maintenance.

Our new machine, arriving late this month, uses servos.  It should be more-resistant to minor binding, although one still has to attend well to such issues.

Lloyd
6  Support / CamBam help (General usage) / Re: Z heights go crazy on: January 07, 2020, 11:46:45 am
Jala,
In order to help diagnose the problem, we'd need to see the g-code.

My first inclination is to think that the g-code is fine, and this is a control problem.

Do the Z heights in the code increase in the same manner as what you're seeing on the machine?  Does the code do the same improper motion in a simulator?

Lloyd
7  Made by CamBam / Members Machines / Re: mk 3/4 controller problem on: January 04, 2020, 12:34:26 pm
How about adding a power indicator lamp on the unit.  It would only cost a little, and would add some ease of trouble-shooting in future.

My router's controller/driver box does not have a "power-on" lamp, but it does have cooling fans, so it's easy to tell if it's got power.

Lloyd
8  Support / CamBam help (General usage) / Re: Happy New Year on: January 02, 2020, 12:26:10 pm
Technically, Gary, we still don't have a 'new decade'.  "Year counting" started in year #1... there was no "year zero". 

So, by that convention, the new decade doesn't begin until January 1, 2021!

 Grin

Lloyd
9  Support / How to's and tutorials / Re: FAST CHIP BREAKER PECKING USING G73 on: December 31, 2019, 01:13:34 am
"I think if you have less than a drill diameter length of flute exposed at the deepest you need to fully retract."
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Yeah... I go for three diameters, and even then, with 'gummy' materials, I have to increase it.

Lloyd
10  Made by CamBam / Members Machines / Re: Precisely tune the Z probe on: December 29, 2019, 20:17:11 pm
I abandoned the use of a height-setter, because the sheets of goods I cut most vary in thickness across their length and width.

I had a 'permanent' one on the side-bar of the router, and it was never correct.  The only one that would work at all for me now would be a 'portable' touch-off plate or gauge like that.  But it seems just as easy to just touch off to the work itself.

Lloyd
11  Support / CamBam help (General usage) / Re: Question about epoxy on: December 28, 2019, 01:45:49 am
If it's a two-part epoxy coating, it should be well-cured in 12 hours, and completely-so in 24.

Even so, it might require a "wipe-down" with a little acetone to remove any 'stickiness' on the surface, before you try to do subsequent finishes.

Lloyd
12  Made by CamBam / Members Machines / Re: Precisely tune the Z probe on: December 27, 2019, 02:21:39 am
Good idea, Gary!  I may try that!

Lloyd
13  Made by CamBam / Members Machines / Re: Precisely tune the Z probe on: December 26, 2019, 19:21:47 pm
Once?  I don't believe so.  If you're wise as to how machines wear and change over 'usage' time, you'll set a schedule to do it regularly, just to check things -- say, every three months of operation.

It's not a really big deal to do, and ensures you keep the accuracy you started with.

Lloyd
14  Made by CamBam / Members Machines / Re: Precisely tune the Z probe on: December 26, 2019, 17:19:19 pm
Mark,
Your point is true, and will work fine.

My point about the cost of feeler gauges is that they are very inexpensive, and if you make a mistake 'touching down' (I assure you, it will happen), it would be far-better to damage a feeler gauge than to damage your bed platform.

Lloyd
15  Made by CamBam / Members Machines / Re: Precisely tune the Z probe on: December 26, 2019, 12:37:54 pm
Mark,
It makes a little difference.  It doesn't change your measurements, but 'feeler gauges' are cheap and readily-obtainable.  A marred table, not so cheap!

Lloyd
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