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Author Topic: The Big CNC  (Read 4617 times)

f00bard

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The Big CNC
« on: September 28, 2012, 11:20:03 AM »
With the impending delivery of our Real Big CNC I figure we should start making some notes about its use.

I'll kick things off with this awesome series of videos that Chorca found: http://www.youtube.com/playlist?list=PL090AA7595634B49B&feature=plcp

These video cover a new Haas machine but, as noted in the videos, they've been careful to maintain the user interface for the past 25 years or so.  Good stuff 8)

f00bard

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Re: The Big CNC
« Reply #1 on: October 01, 2012, 11:05:12 AM »
Regarding the rebuild: Chorca will be driving the effort, so please don't remove parts or otherwise do anything to the machine without checking with him first.  We need to document the effort so we don't lose parts, break the machine, or have anyone get hurt.

Thanks, and let's get to it!

PockyBum522

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Re: The Big CNC
« Reply #2 on: October 01, 2012, 02:32:43 PM »
^

Hybridsix

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Re: The Big CNC
« Reply #3 on: October 01, 2012, 02:44:19 PM »
Chorca Chorca Chorca

Hybridsix

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Re: The Big CNC
« Reply #4 on: November 05, 2012, 10:57:37 AM »
Adding this here for now.




I assembled and tested the contactor/keyswitch assembly, and mounted it to the wall. I found another transformer to use.


Its ready to be wired up with power. We can go 10 gauge, but, should realistically go 8 gauge stranded because of de-ratings and any additional load we may put on the machine. (Lights, computers, addons, etc)


We will need all 5 conductors, because I need the neutral in the switch box for the transformer.

Scott

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Re: The Big CNC
« Reply #5 on: January 05, 2013, 10:26:54 AM »
The CNC router had a sign on it about the z-axis stuttering. I tried it anyway and had limited success. The stepper motor seemed to get stuck in the upward positioning sometimes. Is it a controller or the motor going bad? Didn't see any other posts so thought I let everyone know.


PockyBum522

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Re: The Big CNC
« Reply #6 on: January 05, 2013, 11:18:40 AM »
I don't know, Chris knows about it and should get a chance to look at it soon. It's probably not something major, but I couldn't figure out what was going on so on the off chance that it's something that's going to cause damage to the machine it's probably best to not run it until he says it's alright. I or he will take the paper off the bed when it's okay to use again.

Chorca

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Re: The Big CNC
« Reply #7 on: March 04, 2013, 10:51:16 PM »
I apologize guys, I've been scarce with this new job and all, and haven't been doing much. But I'm proud to say that I'm back, I'm ready, and we're going to rock the hell out of this machine.

Let's get a run down on what's been done so far:

  • Machine tub fully disassembled (and cleaned!!) - PockyBum522
  • Transmission cooler disassembled (and cleaned!!) - PockyBum522,Armstrom,Hybridsix
  • Machine painted - Micah,???

and what needs to be done:

  • Clean and rebuild way covers with new wipers - Chorca
  • Figure out what is up with the spindle (received "Spindle position error" when powered up today) - Chorca?
  • Reassemble way covers onto machine - Chorca?
  • Rebuild tub onto machine - Chorca?,???,??? (Will need help!)
  • Install new lighting into tub - ????
  • Finish coolant pump setup, install new coolant lines - ????
  • Rebuild/clean ATC - Chorca?
  • Procure tools/tool holders - ???
  • Build/form new doors (current ones are cracked) - ???

I've added myself to ones I'll participate in, or would like to participate in, but others are welcome to help! We need both physical, mental, and financial assistance in getting this thing back to peak operating capacity. Haas has seemed to be helpful enough over the phone, so if we run into issues I'm sure we can give them a call and at least get some advice on where to look.

To update on what I did today, to keep people in the loop:
  • Went out to the lab, checked out the CNC.
  • Removed all drop plastic and painter's tape from the machine
  • Powered on, tested operations (got "Spindle Position Error" or something similar on startup)
  • Powered off. Cleaned up area, swept up dirt/shavings, tidied up a bit
  • Brought way covers containing wiper material home to work on

I'm going to be spending time over the next week working on cleaning up the way covers and getting them reloaded with the fresh wiper material I purchased from Haas. The machine is registered to Orlando Hackerspaces in Haas Florida's systems, to our address. If we need to purchase anything from them (parts, etc) we can do that.

Let me know if you want to participate more, or have ideas!

Hybridsix

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Re: The Big CNC
« Reply #8 on: March 05, 2013, 11:54:36 AM »
Chorca: I had a task list set up on a share google doc - not sure if you're on it, but will check

EDIT:Checked: you are shared. Does this format still work? Looks like it needs updating though.

The spindle position error might be due to not having air lines connected. It will do that if it cant get air to engage the transmission.
« Last Edit: March 05, 2013, 11:56:56 AM by Hybridsix »

Chorca

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Re: The Big CNC
« Reply #9 on: March 05, 2013, 12:08:50 PM »
Woot. I forgot about that sheet. I'll update it and stuffs.

Anyway, I'll give the air a shot today and see what's up.

So far, I've just been scraping the old rubber out, pulling stuff out of there and trying to clean things up inside.. It doesn't look too bad, takes some time, but I think I should be able to get them cleaned up in a few days. I'll post some pics tomorrow or something.

Hybridsix

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Re: The Big CNC
« Reply #10 on: March 05, 2013, 02:28:03 PM »
I also acquired another D018 Key for myself today. That means there are 4 keys out and floating if I remember correctly. Myself, You, David, ???


Chorca

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Re: The Big CNC
« Reply #11 on: April 23, 2013, 07:56:03 PM »
Guys,  as an update, I got the way covers finally done, took a day this weekend and pounded them out.

I cleaned up some of the rust on visible areas with a die grinder and wire wheel, then dug all the hardened rubber out of the grooves.

I then installed the new wiper material in, and locked it in place.

It sounds easy, but man, it was not.

We should be good to go with these now; please let me know if I missed any of the way covers as i have about 20ft of wiper material left over. The back of the Y appears to use a metal flap to slide along the way cover, and the back should be there too, but if there are more I'll bring them home and get them back ASAP.

It appears that the ATC is taken apart for cleaning. Any update on this? I'd love to help where I can.


digitalman2112

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Re: The Big CNC
« Reply #12 on: April 23, 2013, 08:55:02 PM »
It appears that the ATC is taken apart for cleaning. Any update on this? I'd love to help where I can.

This update was over in the RFC for toolholders (but should probably be here)- not sure if it answers your questions - http://forums.familab.org/index.php/topic,827.msg5376.html#msg5376


P47

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Re: The Big CNC
« Reply #13 on: April 24, 2013, 09:24:39 AM »
Chorca, Great work on the covers. Didn't get a chance to see them but I bet they're awesome.

The toolchanger parts need a bit more cleaning, and there are some small screws we need to source. I brought my thread gauge in to size them, but forgot to do so, with all the stuff on my plate lately. They are those short black tapered head screws if you're interested in sourcing.

Also, the back is removed from the control panel. If we're not going to replace the display (or plan to do so at a later date), we should probably put the cover back on so nothing gets broken.

Thanks again
« Last Edit: April 24, 2013, 09:36:12 AM by P47 »

Chorca

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Re: The Big CNC
« Reply #14 on: April 24, 2013, 11:32:33 AM »
I'm going to be doing a McMaster order quite soon here, so I can prolly just source a bunch of them from those guys; they ship fast as well since it comes from Atlanta. I'll take a look this week and see what i can find. I'll also throw the cover back on the control panel.