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Michael Scholtz
Works at MSCOMP
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Michael Scholtz

Custom-built & Reprap  - 
 
So today it looks like I'm putting my money where my mouth is.
My large printer ( the slightly older P4) has a carriage able to move 450mm in the X and 400 in the Z however only 250 in Y.

I have a print request for a print that exceeds the volume of my 300x300 printer.
(which with the cooling fans on is down to about 260 in Y anyway)

So I will be adding 4x 25mm aluminum tubes 560mm long and to new bearing shafts about 590mm long to increase the build volume on that machine to 450x450x400. Ill post pics of it being done and once its done. 
5
Heath Harper's profile photoMichael Scholtz's profile photoJeff DeMaagd's profile photoGriffin Paquette's profile photo
22 comments
 
+Jeff DeMaagd agreed. My Alirubber pad is excellent
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Michael Scholtz

Machines Gallery.  - 
 
About 6 hours in the end. With more experience will probably get the time down cut time per hole was about 15 minutes. But setups between cuts and moving the machine to new cut locations took a bit of time. So 30 minutes per hole all in. Less time than it took to cut the last one with a jig saw and handheld router. 
8
Michael Scholtz's profile photoLuis Diaz's profile photo
3 comments
 
Really cool :) 
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Anything new on re-arm production. Have all the kickstarters shipped when will they be going full out with availability. 
1
1
Peter van der Walt's profile photo
 
Speak to +Roy Cortes​
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Michael Scholtz

Discussion.  - 
 
What's the goto size for the distance between woodcerts in the wasteboard? 20cm between them OK? Do you recess them. If I'm going to cut holes for them with the cnc may as well cut recesses at the same time. Is a 2mm recess enough? 
1
Michael Scholtz's profile photoPaul Frederick's profile photo
5 comments
 
+Michael Scholtz
My hold downs are made out of metal, and I always worry about hitting them. At least you can plow through yours and not have to worry about it too much.
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Michael Scholtz

Parts ideas.  - 
 
I made this. I've been waiting for the guy I got much of the parts from to open so I can get a reduction collet for dremel bits. Then it occurred to me I have a lathe and made this in stainless steel. Used two screws to balance it. But I'd like some feedback. Those little suckers coming out at 10000+ rpm is not exactly something I want to be around for. Thoughts? 
4
Alex Krause's profile photoPaul Frederick's profile photoMichael Scholtz's profile photo
17 comments
 
What I did realise about this tool is that I can take smaller drill bits e.g. 4mm turn down the back of the shank on the lathe and use this tool as an adapter for smaller bits. 
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Michael Scholtz

Discussion.  - 
 
Hi
Wantai drivers want anything from 18-50v and wants 4A is that 4A at 18v which would mean less at higher voltage? I'm trying to size the wattage for the psu I need. I'm thinking 24v so will work on 4A for each of the 2 drivers. Then I have drv8825 for the Z Axiz. So I'll work 9-10A
Am I right that it would want 240w so 300-500w depending on price should be good? 
2
1
Jim Fong's profile photoMichael Scholtz's profile photoPaul Frederick's profile photo
15 comments
 
+Michael Scholtz
I looked up the drives you have online and you have a switch table arrangement to set the current on the drives you have. So you do not have a trimmer pot to adjust. As long as you have your DIP switches set right you should be OK.

I used a defunct PC case as an enclosure for my electronics. The price was right. I never took a picture of the electronics with the last drive changed in it, but it is not much different than this http://i.imgur.com/2frKz9O.jpg
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Michael Scholtz
owner

Discussion  - 
 
So today it looks like im putting my money where my mouth is.
My large printer ( the slightly older P4) has a carriage able to move 450mm in the X and 400 in the Z however only 250 in Y.

I have a print request for a print that exceeds the volume of my 300x300 printer.
(which with the cooling fans on is down to about 260 in Y anyway)

So I will be adding 4x 25mm aluminum tubes 560mm long and to new bearing shafts about 590mm long to increase the build volume on that machine to 450x450x400. Ill post pics of it being done and once its done.


1
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Michael Scholtz

Discussion.  - 
 
I finally found something to put on kickstarter. It's a load cell that is wired to your emergency stop. The load cell is then placed between your butt cheeks. Because when things go pear shape you're clenching long before your arms start looking for the red button.
All credit goes to the sales guy a demaro tools. 
6
Michael Scholtz's profile photoMano Biletsky (Open MAKER)'s profile photoChris Dunleavy's profile photoPeter Barrett's profile photo
6 comments
 
+Mano Biletsky oh yeah right um sorry
 ·  Translate
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Michael Scholtz

Questions/Help  - 
 
Question someone just showed me a display that you can click and it shows a menu as soon as you click the encoder the display fades out and goes back to the home screen. 
2
Michael Scholtz's profile photoGriffin Paquette's profile photo
2 comments
 
2560 are famous for that
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Michael Scholtz

LaserWeb Support (Not For MACHINE SETUPS)  - 
 
Thought I was missing something till it occurred to me it may be my browser. I've been using firefox with laserweb but they don't seem to be on the same page as such. Installed Chrome and things are looking up. Is anyone else here using Firefox successfully? Wondering if its a plugin that in or missing. 
4
1
Michael Scholtz's profile photoAlex Krause's profile photoPeter van der Walt's profile photo
18 comments
 
+Alex Krause ferrites do help yes. But no one magic bullet does. More like pull out all the stops: ferrite + shielded cable + distance between cables + proper earth + buy a non-hf plasma + build controller into a box + use a board that has sd/lcd since usb is extra sensitive, etc
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Michael Scholtz

Discussion.  - 
 
And now a question. It's very apparent that these machines area very efficient at making and widely distributing sawdust. My thoughts are an acrylic enclosure to reduce noise (although the makita is much quieter than dremel was) and contain the dust. The alternative is a bracket to attach a vacuum cleaner to suck up as much of it as possible. (3D printing is not a problem.) how do you guys deal with this. 
1
Mark Fuller's profile photoKyle Kerr's profile photo
3 comments
 
hackaday.com - Hackaday | Fresh hacks every day has had a few CNC hacks including separators.
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Michael Scholtz

Discussion.  - 
 
Ok it's just about done. Just have to figure out the finer details of running it. Vs 3D printing the difference in running a Cnc machine is at a magnate of 10x as is the mistakes. Those 100mm X moves accidentally executed on Z. Let's just say my E Stop is been pressed more on this machine in the last few days than on all my 3D printers together over the last 3 years. One rookie mistake see if you can see what it is from the picture attached. I've just measured the bed and cutting area is 800x750 which I think is sufficient for now, I did build it so the table can be removed to allow cuts below the machine. One of the reasons for building this machine was to cut holes in a table top that's 2,5x1meter so the machine will be fixed to the table and moved a few times to make the cuts. 
5
Michael Scholtz's profile photoMarc Miller's profile photo
3 comments
 
Ahha. Well, at least you knew how to fix it. :)
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