Messages

1561

General Mach Discussion / Re: "Ref all home" sets wrong coordinates (XHC MKX-IV control card)

« on: February 17, 2018, 04:32:29 AM »

Do you have suggestions which manufacturer to looking for? I have Yako MS-L Servo drives for Y axis -> http://www.yankong.com/EN/index.php/proview-60-26.html At the moment I am not at work to give models of other devices but I can give more info if needed.

I can't recommend anything in particular, however, I use a Warp9 ESS with Mach4, a Warp9 USS with Mach3 and a Pokeys 57CNC with Auggie.

One more question - is it possible to change strength of motors so CNC turns off in case some cutted parts move away from their original position (small parts) and goes between something? I know to use tabs, but I cut plywood and it is not so stable to have good tab all the time. And too strong tabs cause too much time to remove or may damage surface of playwoon when removing.
At the moment motors needed to apply too much power to make losing steps and even when it happens it mostly turns off only one motor and all other motors continues their job which is bad.

You need to feed the servo fault condition back to Mach - that way Mach knows to pause / stop program execution if any servo has faulted.

Tweakie.

1562

General Mach Discussion / Re: "Ref all home" sets wrong coordinates (XHC MKX-IV control card)

« on: February 17, 2018, 02:10:24 AM »

We are seeing so many reported problems with this far eastern control card your best option may be to replace it with a known reliable controller. Alternatively why not contact Alex He directly, he may have info on an updated driver etc. xhctech-alex@hotmail.com

Tweakie.

1563

Show"N"Tell ( Your Machines) / Re: The Laser Project.

« on: February 15, 2018, 05:17:28 AM »

Hi Art,

Thought you may be interested in this which is something I had not seen before. It is a 3 axis scan head which can scan very large areas by obviating the requirement for an F-Theta lens system. https://nutfieldtech.com/3xb-3-axis-scan-head/

This pic. is of a Nutfield 3XB. Obviously the beam angle changes dramatically during the scan but the focus remains constant.

Certainly something for me to investigate further.

Tweakie.

1564

Show"N"Tell ( Your Machines) / Re: The Laser Project.

« on: February 15, 2018, 02:24:28 AM »

Wouldn't it be cool if along with laser cutting, it also had a sensor that gauged depth at the same time!

Something for you to design perhaps ?

The Mach3 plugin will reproduce 8 bit images (true shades of grey).
DotG produces 1 bit images (illusion of shade by dot-dithering).

If you contact Tomura directly he will send you a copy of his TomTom plugin.

Tweakie.

1565

Show"N"Tell ( Your Machines) / Re: The Laser Project.

« on: February 15, 2018, 01:41:05 AM »

Hi Spandex,

Depth control is a weak point.
Comparative depth and repeatability is generally good but trial & error is usually used to arrive at the correct initial settings.

Tweakie.

1566

General Mach Discussion / Re: Problem with scaling(?)

« on: February 14, 2018, 10:46:20 AM »

Try adding G20 to the start of your Gcode file.

Tweakie.

1567

General Mach Discussion / Re: LOST BUT NOT BEATEN

« on: February 14, 2018, 10:32:22 AM »

.zip and attach your problem Gcode.

Tweakie.

1568

Show"N"Tell ( Your Machines) / Re: The Laser Project.

« on: February 14, 2018, 08:18:51 AM »

My problems now I think are mainly the damn theta lens, one of those things with very little information to go on.

Hi Art,

Not something I would tackle - mathematically correcting for the scale and pincushion distortions sounds like hard work compared to my simple linear engraving work and drinking beer.

I am pleased you have your galvo head working OK – I am still thinking along the lines of linear Y axis and galvo X axis but yet to construct the prototype.

Tweakie.

1569

Spanish / Re: CNC Mexico

« on: February 14, 2018, 08:03:52 AM »

Is that a Warp9 ESS ?

Tweakie.

1570

Show"N"Tell ( Your Machines) / Re: The Laser Project.

« on: February 14, 2018, 07:50:03 AM »

Thanks for the info. Art.

One thing that concerns me is that I have learned so much over the years (lots from you) that if it is not shared with others now then one day it may all be lost.

Tweakie.