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November 18, 2017, 13:37:02 pm


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1  Support / CamBam help (General usage) / Re: Puzzled about the Mirror function on: Yesterday at 20:05:25
I use the scale -1 every day when making molds.  It very handy.  Seems it doesn't work with the trachoidal milling plugin though. 

One thing I have noticed is that if I use the conversational entry at the bottom with multiple MOPs of different types selected it doesn't always work, but if you go upto the data fields and enter -1 in place of the 1 for the desired axis, and then click ok it works just fine.  If you click apply when you have entered the data manually in the data field it cancels it out. 
2  Support / Installation Help / Re: CamBam 32 or 64bit? on: Yesterday at 16:27:35
I run 098 CB on Windows 10 64 bit, and it worked fine for a while then developed an issue where sometimes it would run normally and sometimes it would run painfully slow.  I've been using 1.0 for the last several days (a week maybe) and have not experienced that problem.  It seems to be running great.  I can't wait for it to finally go out of alpha and into beta. 

3  Made by CamBam / Members Machines / Re: Machinable Non Compressable Insulator And Other Materials Choices on: Yesterday at 02:10:01
The ‘original’ plastic Bakelite would work well.

I thought of Bakelite and phenolic when I first started thinking about this.  Bakelite can be pretty brittle, so I'm going to give phenolic a try.  I use phenolic handles on lead casting molds, and as a material its a lot cheaper than any of the machinable ceramics. 

Phenolic handles with a threaded brass insert cost a little over a dollar so I can waste them if I want.  A piece of Macor that size would be $30. 


4  Made by CamBam / Members Machines / Re: OT: Digitizing Table on: Yesterday at 00:15:54
I don't know.  That a lot of milk to waste.  LOL. 

Just got an email from Eric at CraftyCNC.  He's still around. 
5  Made by CamBam / Members Machines / Re: OT: Digitizing Table on: November 16, 2017, 22:43:32 pm
His website is still up and emails to his email address do not bounce, so I suspect its a grey area.  I can still download the plug-in and the manual from his website.  I just have received no response to a request for a license file invoice. 

6  Made by CamBam / Members Machines / Re: OT: Digitizing Table on: November 16, 2017, 22:10:30 pm
Probe-It is a neat looking wizard for Mach 3.  I have looked at it before.  I don't know how well it will work for thin templates, but it might.  I do have a pretty small ruby tipped probe.  The problems is that Eric has not responded to a request for an invoice and license file.  Otherwise the wizard is very limited.  I did a search on Ebay and do not see his crafts listed for sale, and a quick check of CNC Zone and Mach Support Forums shows he has not been active for 5 or 6 months. 

7  Made by CamBam / Members Machines / Re: Machinable Non Compressable Insulator And Other Materials Choices on: November 16, 2017, 21:48:08 pm
Yes, Somebody else pointed me at Macor as a possibility. 

8  Made by CamBam / Members Machines / Machinable Non Compressable Insulator And Other Materials Choices on: November 16, 2017, 20:22:17 pm
I've decided I need to make some electrical tool height setters for my machines with a fairly small foot print.  I've figure out my design so they will have a lot of over travel and good repeatability, but I am wondering about the anvil or touch surface.  The analog indicator type I am using now seem to have a steel surface, but they are softer than the tools and they will ding fairly easily if you make a mistake.  Because I do a lot of flood machining I was thinking stainless might be the ticket.  304 for the body, and 303 or 416L for the anvil with an acetal insulator.  A harder machinable insulator might be better, but I am not sure what.

Definitely NOT something like HDPE since its compressible, and spring pressure over time might cause it to extrude and drift. I don't really have room for an off material setter to to be used all the time.  Adding soft buttons and macros to semi automate the tool height set is pretty easy for my controls.  It would improve my machine times, and reduce my necessity to deburr between tool changes more easily creating consistent parts.
9  Support / CamBam help (General usage) / Re: Its Cutting Wrong Size Object - very tiny on: November 15, 2017, 22:53:04 pm
how do you go about changing the machine measurements?

What control system?  Mach 3, Centroid, FlashCut, LinuxCNC, Mach 4?  What machine?  

In many including Mach 3 and presumably Mach 4 you can send a G20 to tell the machine the file units are in inches, and a G21 to tell the machine the file units are in millimeters.  It may be possible to change the native units of the machine, but then motor tuning and any macros macros the reference locations may also need to be modified.  If you are using Mach 3 and you want to start in inch mode you might add a G20 to the initialization string on the general config page.  This way the machines native setup does not need to be changed, but you can just default to use inch files. 

If you want to manually switch back and forth you can enter G20 or G21 in the single line of code execution field on the MIDI page.  If you have some other control... sorry.  I only know Mach 3 fairly well. 

ALWAYS TEST before taking the word of anybody on the Internet.  I have not tried what I said above.  I have no idea how it will work if a code file sends other codes. 
10  Support / CamBam help (General usage) / Re: Its Cutting Wrong Size Object - very tiny on: November 15, 2017, 22:50:11 pm
My first guess is the drawing is set for inch, and machine for mm.  Huge difference between 3" and 3mm.  

P.S.  I didn't look at the file, but when I check back later I will if you have not already found the problem. 

11  Resources / Scripts and Plugins / Re: 'Simulate with CAMotics' plugin on: November 15, 2017, 14:50:22 pm
What's wrong with just disabling all the Parts other than the one to simulate ?
To disable a Part, just select it in tree view then press the Space Bar.
Then just produce gcode as normal, is there something I've missed ? is that too laborious ?

That was kind of my point before.  I was missing why ...   I simulate part of jobs all the time in order to isolate problems. 
12  Made by CamBam / Members Machines / Re: OT: Digitizing Table on: November 15, 2017, 03:33:37 am
I have had better luck with the scanner than photographs.  I've done both of those tricks.  Sometimes only a photo works, but the scanner works better for objects that will lay flat. 

My current need is an object 25-3/4 inches long.  A flat template.  Actually a control panel.  A digitizer would be ideal for this one. 

The lens distortion with the camera lets this one out as it has to fit back in where the old one came out... with a few less buttons and knobs. 

13  Made by CamBam / Members Machines / Re: Metal Nibbler Three on: November 15, 2017, 03:29:18 am
Not until I can pay cash for it.  I'm not going to finance another machine.  The one and only machine I ever financed turned out to be a total turd, and I am still paying for it.  Fortunately I was able to work a deal to trade the control board for a smaller faster machine that was only a partial turd. 

14  Made by CamBam / Members Machines / OT: Digitizing Table on: November 14, 2017, 23:04:12 pm
Anybody get the inside scoop on a poor man's digitizing tablet? 

I could get by with a smallish one, by adding indexing marks and combining files, but a bigger one would be better.  Ideally 36", but a 24" or even a 12" could be made to work.  I don't need one often, so I hate to pony up $3-5K for one, but it would sure be handy sometimes.
15  Resources / Scripts and Plugins / Re: 'Simulate with CAMotics' plugin on: November 14, 2017, 15:20:39 pm
You know... I very much appreciate this plug-in and I really respect you for going so far beyond to facilitate people who use the plug-in.  

But...  I started out writing individual MOP files.  Each one had a unique name.  Such as:

1 Surface Plate.nc
2 Rough Cavities.nc


When saving code it ASKS if you want to overwrite the last file name you used.  Just enter a new file name.  
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