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Messages - northray

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11
General Mach Discussion / Home limits
« on: July 31, 2011, 12:48:13 PM »
Hi All, it is a long time since I had any problems but I have just rebuilt my CNC Router and decided to fit homing limit switches.

I followed the self set up on all the Axis ( or I think so) and what I am getting is Z axis goes to the home switch and backs then X axis goes to home stitch and backs off but when the Y axis hoes to the home switch it goes into E stop.

This is driving me mad as I have tried several times to config the settings, some times the home switch on the Z and X axis goes into E stop after I have (as I think) re set the home switches.

Can anyone tell me what I am doing wrong.

Thanks
Ray

12
General Mach Discussion / Re: X Y problem
« on: March 15, 2011, 05:02:25 PM »
Hi Tweakie, All sorted the problem was the difference between the X & Y speeds I know Mac3  should balance out the difference but I guess I had them two far apart.

I set them as close as I could and that sorted the problem.

Thanks again for your help
Ray

13
General Mach Discussion / Re: X Y problem
« on: March 10, 2011, 04:12:51 AM »
Thanks Tweakie for your prompt reply I will try again with the acceleration before I go to exact stop, never seen that dumb head that I am.
Ray

14
General Mach Discussion / X Y problem
« on: March 10, 2011, 03:55:20 AM »
Hi All It is a ling time since I had any problems with Mac 3 but I have come across a strange thing when I a cutting a simple square or rectangle.

What is happening is that on the axis change two of the corners are square and two of the corners are radius these are on diagonal corners if I change the cut to clime mill the opposite corners  are rounded.

I have checked the parameters but cannot seem to find anything wrong.

On any other milling it does not seem to happen  circles, etc are spot on as is any other carving I do.

I thought it might have to do with the acceleration difference between the X & Y axis but I have tried altering this but it does not seem to cure the problem.

No doubt I have got something wrong in the settings and as usual someone will be able to sort this out for me.

Thanks Ray

15
General Mach Discussion / Re: Forth axis
« on: October 09, 2008, 04:01:28 AM »
Thanks for the replies a lot to get my head around but the end results should be worth the effort
Ray

16
General Mach Discussion / Re: Forth axis
« on: October 08, 2008, 07:07:34 AM »
Thanks Jerry, I will have a look at that.
Rayc

17
General Mach Discussion / Re: Forth axis
« on: October 07, 2008, 06:36:33 PM »
What I would like to do is carve some 3D models I have but instead of carving in the flat plane
 I would like to mount the timber blank onto the forth axis and mill the complete 3D model in one go.

I see what you mean buy using the method you say and I will give that a try.

I guess what you mean is to take one of the sides of the design and in fact wrap this around the diameter of the work   
the circumference being equal to length of side.

Thanks
Ray

18
General Mach Discussion / Forth axis
« on: October 07, 2008, 04:19:09 AM »
Hi all I am not sure if this is the place for this question but here goes.

I have just added a forth axis to my set up and all is working fine through Mach3

I want to mill in the round and cannot find any tutorial to show me how it is done.

Any advice would be apreciated
Ray

19
General Mach Discussion / Re: Problem with cutting
« on: August 25, 2008, 06:05:20 PM »
Hi Hood, I did save it so I will try and post it it would be interesting to find out what the difference was.

Hi Rich, I used the laptop as my first trial and moved on to the PC but as I have built two machines I have kept the laptop to test the second machine.

As you say the PC is faster but I am surprised how well the laptop works.

I am trying to decide which one to keep but both now work very well so I cannot make up my mind, one is slightly bigger at 900mm x 500mm cutting area so I might keep this one.

Thanks again for everyones  help great forum
Ray

20
General Mach Discussion / Re: Problem with cutting
« on: August 25, 2008, 02:09:50 PM »
Hi Hood and Bowber.

My son did as you said and all works fine now.

Many thanks again for all your help.
Ray

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