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Messages - Tweakie.CNC

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61
Show"N"Tell ( Your Machines) / Re: The Laser Project.
« on: April 08, 2019, 03:35:17 AM »
Hi Wangine,

Quote
Also i will dont use DB25. TCP or USB probably. I allways hate db25 for alot of reason

I was referring to the DB25 output socket from the 57CNC v1.2.

(The output from your PC to the input to the 57CNC can be USB or Ethernet).

Quote
Why not a external PWM base timing. Exist a lot of controllers can easy pragramed with only some lines of code


It is not necessary to use a PWM controller chip, the 57CNC outputs the PWM perfectly.


Tweakie.

62
Show"N"Tell ( Your Machines) / Re: The Laser Project.
« on: April 08, 2019, 02:20:24 AM »
Hi Wangine,

If your objective is to laser reproduce photographic images then, currently, the 57CNC and Auggie would be your best choice. As Art has said, you need to join the Gearheads forum and read all the 57CNC and Auggie set-up instructions but it is not too complicated to get everything up and working.
I used the DB25 connector from my 57CNC v1.2 and all signals are at the 5 Volt TTL level making it very simple to connect to my existing (LPT parallel port) stepper driver circuitry. As mentioned elsewhere in this thread, I manually control my maximum laser output power level and then let the software PWM vary the actual output between 0 and 100% of the level I have set. This system works well for me but experimentation is encouraged because there will always be alternative and better ways to achieve more superior results.

Tweakie.


63
Mach4 General Discussion / Re: Mach4 Huanyang GT series Modbus setup
« on: April 08, 2019, 01:44:57 AM »
Excellent work Bill and thank you for sharing your knowledge.

Tweakie.

64
I have moved this Topic here at mariusl's suggestion.

Tweakie.

66
General Mach Discussion / Re: Newbie Question about Mach 3 to 4
« on: April 06, 2019, 03:01:30 AM »
Quote
Sorry for the dumb question, but can Mach 4 run on a Mach 3 controller?

Which Mach3 controller do you have (make and model) ?

67
Screen designer tips and tutorials / Re: Screen4 tutorial.pdf
« on: April 05, 2019, 04:46:25 AM »

69
General Mach Discussion / Re: Goofy forum layout
« on: March 31, 2019, 01:55:14 AM »
i can certainly live with the new forum style and changes, but what troubles me is watching the video they feature at the top.  my eye says the material they are milling at the start is aluminum.  after a long wait I am still hoping to retro my knee mill with mach, but when I watch that video I cringe.  I could have machined that job at 3x, 4x or more feed and speed and doc from whats shown, and watching this job running so inefficiently makes me hesitiate on using mach.  I know its capable of more, ive seen it carve great 3d art in soft material, so the software and computer stuff seems capable.  I think if the folk are going to promote mach as a dependable capable system, they should analyze what they are showing, make it look like it can do serious cutting, and stop posting vids of tooling sticking out 8 times further than it needs to, and drilling with full jobber length drills that walk all over the place because there is no spot or center drill.  if youre showing off your new lathe conversion, theres no excuse for not having the tailstock in line with the chuck, or having your tooling .030 above or below centerline.  jmho, ymmv.  comments welcome.

I agree. The video certainly does not demonstrate good machining / engineering practice or show the potential capabilities of Mach4. I am sure it will be changed for something more suitable.

70
Mach4 General Discussion / Re: New Forum!
« on: March 31, 2019, 01:42:53 AM »
FYI. The the artsoft and menu banner at the top of the page blocks some of the page on apple mobile devices. I had a heck of a time figuring out how to add a new topic by just randomly clicking the red squares at the top not know what each was.
Don

Hi Don,

Perhaps change your forum appearance back to the ‘SMF Default Theme’ as Brett has described here;

https://www.machsupport.com/forum/index.php?topic=39758.msg266672#msg266672

Tweakie.

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