- New Machine Build- How is it so far?
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Yea, I am going to go with the center punch, and step drilling for my rails. FedEx says they will be here in five days. I just got three meters of 4590 profile that will become my gantry. I plan on assembling all my electronics this weekend and running some test code through my "machine" to make sure that everything works properly. I can not wait to start making chips with this thing! Good luck on yours, and don't forget to post pictures as you go along.
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Hey, I really hope that you did not get more hot rolled. I wasn't able to get my electronics assembled, but I hope to tonight. I wrote about my weekend and you can read it over at my site. I would post my build log here, but keeping up two versions would get tedious. I hope I can get my rails by Friday.... Apparently, they never made it to the FedEx office until today. FedEx updated my tracking info to show a friday by 8pm delivery...
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Well i received an email from the people i got the rails from and they said their going to send me the right one. I'm just waiting for them to send me an email on when their going to send me the cold rolled.
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I hope they decide to expedite. My bearings just cleared customs in Cali, so they should be here by Friday. I got my screws on Monday, had to have the ends machined, the company I bought them from didn't do a good job cutting the ends. I will put another post on my website tonight, after work, if you want to check out pictures.
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Just wanted to let you know, I got the rails in today! Check it out at rusty.rrusselljr.com. Any luck on your cold rolled yet?
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Well I decided on the 2.5" cold rolled steel and the jig from cncrouterparts. I just received the parts yesterday and will hopefully work on it on the weekend. I should had bought the jig a long time ago. This thing is nice and it also comes with a drill bit.
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Hiya Jerseydog, nice build. I'm a total CNC newbie, but your design looks neat. I do have one question for you though, since I'm building my own rig with 80/20. Why did you not use 80/20's linear motion rails? One of my favorite things about 80/20 is how almost every rail can be used with a nylon slider adapter. My design is a hot wire foam cutter with 1/2" 10 ACME rod and 80/20 slider rail, so I wanted to know if there was any particular reason you aren't using 80/20's sliders.
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Stephen_G
I’m also a newbie like you. I started building my CNC machine after reading countless threads here on cnczone. I really didn’t know what I was doing but did know what I wanted as a final outcome. This website is a great resource but it’s time consuming getting the actual information you really want or need. That’s why I have started this thread to help others fight through the clutter. Sometimes it’s hard to get questions answered in a timely manner if at all. I have made many mistakes which have cost me money but hopefully I could help others not make the same mistakes. Well as for the reason I didn’t choose a linear rail from 80/20 is because of the length of my machine. The overall length of my machine will be 60”x39” which will be hard to incorporate an acme screw because of the backlash and whip that it will create. For more information read here plus using cncrouterparts linear bearing was easier to incorporate into my design which I finally settle on. So in short anything under 4’ feet using an 80/20 linear will be logical but anything over R&P will be better. Maintenance in the long run will be cheaper with CRP part than with 80/20 if you have to replace any parts because of wear and tear. The 80/20 parts are pretty price. If you have any question please feel free and ask will try to answer ASAP. You should also start a thread on your build. I will definitely follow just to see how a machine using a hotwire will turn out. Good luck on your build and hope to hear from you soon.
Jerseydog,
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Re: How is it so far?
I just now found your post, nice looking so far, keep posting... Btw, in case you haven't seen it yet, cncrouterparts has a subforum.
Sent from my SCH-R720 using Tapatalk 2
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Re: How is it so far?
Buck thanks for the interest. It has taken me a long time to get where i am but it's been a great learning experience. Once i make a little more progress i'll post more pics. Thanks about the cncrouterparts subforum, i didn't know.
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Re: How is it so far?
Suggest you try CAMBAM for an all-round CAM program for 2D, 2.5D and 3D. Bit of a steep learning curve, but the forum is top notch. One contributor took the CAMBAM help files and translated them into a PDF. Suggest you print the PDF in color as much of the info to be gleaned comes easily from the colored diagrams.
As for MACH3. Though is a lot of pages [350..I think], print out the whole MACH3 manual. [Do it on a laser jet printer, not on an ink-jet printer; laser is faster and better quality, plus less expensive!] I found it is easier to really learn MACH3 when I could write notes in the margins as I read; plus using the usual amount of sticky notes.
Oh, buy a package of paper [ream...500 sheets] that is already punched for a 3-ring binder [they have it at Staples]. Save you lots of grief in both having these two documents always organized...and not having to punch holes with a 3-hole punch!
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Re: How is it so far?
Zool
Thanks for all the good advice. Being that you mentioned staples I'll have them print the mach3 pdf file, it'll be cheaper for me being that don't have a laser. I'll definitely look into cambam. I have plenty of time to learn. I love this site lots of good information.
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Re: How is it so far?
@zool; Your advice is awesome, and I am working kinks out of my machine right now too, so it's useful in the very near future. Thanks much!! @Jerseydog; Your machine looks fantastic! I am glad things have finally worked out for you. I am really keen to see what you make on it. Also, hope your injury gets better really quickly and you can get lots of learning on the machine in while you convalesce.
Rusty
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Re: How is it so far?
Hey rusty13jr how's everything? How is your build going? I have been going over to your site but haven't seen any updates, unless you have updated lately. Thanks for the kind words. Hopefully I'll recover fast because I hate to be home for so long. The advice zool gave was great and I'll be getting the cambam+mach3 bundle once I'm ready. Take care and have a great day. God bless America.
- New Machine Build- How is it so far?
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