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Gerry and Pat, you were right: I returned the steps per mm to 800 and adjusted the acc and vel as you suggested. The z-axis now gives me exactly whatever movement I set in my g codes.

Thank you...

Guys, you spoil me!

Thank you!

I will action these suggestions this weekend; I resumed at my day job on Monday and am clearing my desk.

Thank you very much indeed.

Zool, everyone, I thank you.

I pooled all the suggestions as well as others from other posts, took a week away from my day job and got a solution.

First, I abandoned the custom profile that...

Thanks bud.

I will try both approaches over the weekend and revert.

Thanks Zool

I re-posted the G code in inches and got the X-Y plane issues out of the way.

The issue with the Z-axis persists; Mach is crashing it into the limit of my vertical axis as it tries...

G21.

The native units are set to mm. I confirmed this in the Settings tab on Mach.

Last weekend, I cut the attached job - designed in mm and post-processed into Mach3 from Rhinocam.

I set the clearance plane to 25mm and really had fun making the sample.

The customer liked it...

There are no home switches installed Gerry.

I only set soft limits.

Hi.

I am the proud owner of a KT-2514.

The machine's preset coordinate axes - in mm -have the bottom left corner as (390,-200),the bottom right corner as (-200,-200), the top right corner as...

Thanks bud.

I will enter that feedrate into my code to see what happens.

I do own a variable speed Porter Cable 892 - which the manufacturer assures me will fit on my KT-2514. I'll fabricate a...

I just got Trend's 6.3mm x 20mm spiral upcut acrylic cutters and need to know what feed rates to set for them to cut acrylic.

I use the DeWalt laminate trimmer with a fixed speed of about 24000...

Gentlemen,

I thank you very much for your guidance - it has given me the solution.

Very strangely, it was the z-axis drive all along. Strangely because I did test the drive.

Yesterday, I...

THANK YOU!

Mariss, The Blight,

I thank you and apologise for the break in transmission; the day job came up with some very demanding requests.

I resumed the checks over the weekend and believe your...

Thanks bud.

I'll try this and get back you.

colin1544, I am working on a similar issue: How does one determine if these are npn or pnp transistors. Does it matter either way?

My meter has different setting bands for npn and pnp transistors.

Mariss, The Blight,

I thank you.

Know that I know the BOB, I will perform those tests.

I am in the workshop all day today.

I still need help identifying the breakout board.

Is it visible in any of the attached images please? I see the three drives, the capacitors, a transformer, a board containing traisistors - and...

Mariss,

I missed this: "Are you Nigerian? I have met two Nigerians through work, both left a good impression on me. Intelligent, good sense of humor and hard working. Good people."

Yes indeed;...

Mariss,

Thank you once again.

I will revert as soon as I am done with the steps.

Mariss,

I thank you very much. I will perform these steps as soon as I get home today.

The red LED on each drive do come on.

A few guiding questions please:

- Is the breakout board...

Thanks Jeff.

But as I pointed out, the motors and their drives work. They are not broken.

Suddenly, my machine's z-axis became unresponsive to Mach3.

By swapping the x- and z-axes, I determined that the stepper motors are ok. Thanks KT CNC

I then followed Geckodrive's instructions...

I need to write gcode to cut - say - a sine curve in Mach3. Can anyone show me a sample few lines of code please?

I really thank you. It was really quite easy and very helpful.

IBM once had millions of customers worldwide too; where are they now?

I think you should be thankful that you have a customer that gives you feedback - however he gives it.

Thanks bud. But can you be a little more specific please?

I visited K2CNC's site and there are some links there that are supposed to help. k2cnc.com/Mach2_Mach3_setup.asp

It did not work for...

I set up my RhinoCAD profiling model in mm and posted it to Mach via RhinoCAM.

The resultant G codes are always in inches. ie G20 not G21

I am nearly done coding in VBA to effect the conversion...

chmillman, I thank you very much: it worked.

beege, thank you for posting the cnc help. That will certainly come in useful too.

I have modelled the Earth moon system in Rhino3d via Rhinoscript.

But I have no clue how to modify the rotation of the bodies to allow me scale time.

Can anyone help me please?