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Messages - DonMarkey

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11
General Mach Discussion / Losing computers
« on: January 01, 2020, 08:04:01 PM »
Is it just me or do I just buy junk but computers don’t seem to last me. I have the computer mounted in the control cabinet. There is an intake and a servo amp fan. Most the time my machines sit, most the time for 3-4 month at a time. The shop is heated but not air conditioned, but it seldom gets over 85 degs here. I usually buy used high end cpu that come off lease from large companies. I am running Mach3 on Windows 7. I just lost another one. Should I be doing things differently? Maybe get a laptop and just run the Ethernet cord to the machine and bring the laptop in the house with not it use? My mill has an Ethernet smooth stepper, any problems with Windows 10? The computer in my lathe I think still works but I haven’t fired it up in 2 years so who knows. So you get an idea of the time frame between uses. Any suggestions?
Thanks
Don

12
General Mach Discussion / Re: Mirror probing
« on: April 15, 2019, 07:59:02 PM »
Thanks I’ll look into it.
Don

13
General Mach Discussion / Re: Mirror probing
« on: April 14, 2019, 06:56:45 PM »
Now you are assuming I have or even know how to use cad/cam. Haven’t used that since the late 80s. I use conversational cnc on one mill or write g code manually for the mill I converted to Mach3 right now.  But I’m learning.
Thanks
Don

14
General Mach Discussion / Re: Mirror probing
« on: April 14, 2019, 06:09:31 PM »
So I am overthinking this?  If I probe the centerline, then probe again .020” off center and so on I can use that as my step over and convert the z+ z-?  What am I missing?

15
General Mach Discussion / Re: Mirror probing
« on: April 14, 2019, 05:42:16 PM »
Wow. Lots of food for thought. I am thinking a casting and then straight one to one duplication is going to be my easiest approach. Then the probing with a stylus matched to ballmill diameter would work?
Don 

16
Mach4 General Discussion / Re: New Forum!
« on: March 31, 2019, 07:40:34 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.

Thanks!

17
General Mach Discussion / Re: Mirror probing
« on: March 30, 2019, 08:27:51 PM »
Problem is unless you contour the barrel yourself which is rare there is no way of knowing the barrel dimensions short of measuring it yourself. And many are hand polished so that changes everything. In the past you would make a dam to hold epoxy and make a reverse cast of the barrel then just copy with a tracer mill or tracer attachment. This is one of the instances where the dimensions are irrelevant as the part is custom fit and the next one will be different.
Thanks
Don

18
General Mach Discussion / Re: Mirror probing
« on: March 30, 2019, 07:45:19 PM »
I wouldnt be opposed to Mach 4 if that is something that could be done in the hobby version. I would just need to work a couple things out for an upgrade. Good food for thought.
Thanks
Don

19
General Mach Discussion / Re: Mirror probing
« on: March 30, 2019, 07:08:13 PM »
I could set it up at 90 to use x y ?  Here is an example

20
General Mach Discussion / Re: Mirror probing
« on: March 30, 2019, 06:08:35 PM »
Sorry a little more info. This is a hurco knee mill that I retrofitted, basically an oversized Bridgeport. This is for making rifle quarter ribs. I made a tracer for my old manual mill but I sold it with the mill. With that I made a casting out of epoxy by pressing the barrel into it, then copied the contour. I was thinking with probing I could set the barrel up and probe the area I want to fit the rib to and then mirror it somehow. So if you aren’t familiar with quarter ribs, it is basically a piece or steel mated to the top of the round barrel and soldered on. This is where the sight is then dovetailed into.
Thanks
Don

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