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16-04-2014 #1
Hello!
After some work on building a heavy duty pallet, and some mechanical issues on the trailer brakes, i have everything ready to bring the CnC to its new home!
As soon as i have it near me, i will post pictures.
In the meantime maybe you all can give me your opinions:
In your opinion which may be the major cnc working limitations of the machine? For instance will it machine 3d wood parts?
What improvements would you give it, and how much do you think it will cost?Last edited by shapebusters; 16-04-2014 at 02:50 AM.
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16-04-2014 #2
Mechanicly There should be no limitations for the purpose it was designed for which would be mostly wood routing. It will easily handle 3D type work and anything in between. Without knowing the resolution the only area it may not perform so well in is fine engraving or detailed work.? This is due to using rack & pinion but I'd be very surprised if it couldn't do half decent job.
Does the machine come with it's own controller.? If it does this could be the grey area and how it handles large files that 3D work produce, it could also be an area where you struggle with post processing in CAM software. Or worse still it needs dedicated Cam software.!! If your new to CNC then post processing is where the CAM software formats the outputted G-code file to suit the Controller that runs your machine. In your case you may not know or the CAM have a post processor for that machine.
Often with older machines that have restrictive controllers or tied to dedicated software then it's easier to just retro fit with PC Software based controller like MAch3 or Linux Cnc.
Good luck with the move.Last edited by JAZZCNC; 16-04-2014 at 09:25 AM.
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The Following User Says Thank You to JAZZCNC For This Useful Post:
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16-04-2014 #3
Hello there!
Thank you for your quick reply.
Im not new to CNC, but the experience i have (that you can see part on my presentation post) is more related with the working and machining, and not so with the mechanics and machine construction.
I have worked for some years with a Gravograph IS8000XP (1.2mx0.6m), and a bigger OUPLAN cnc machine with 3mx2m. Both 2d and 3d works, using Rhinocam, and for some simple cuts the Gravograph software (really bad one...)
So thanks again for the advices and help, hopefully tomorrow i can place here at the end of the day a new post with photos of the machine!
Best regards from Portugal
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23-04-2014 #4
Hello everyone!
Well as promised, here i am sharing the adventure on buying the Cnc .
Unlike what I had been told by the brother of the seller, the machine was in a basement , with 4 steps of depth and a very small door.
The good part was that the machine had little things that could be pointed to the seller, so that it lowered the price even more. Since he was not in Portugal (it's in Brazil ) i sended him by email the photos, showing that when the machine was storaged there, someone bented the frame of the machine. (Dont worry, using a digital level i checked the geometry of the machine , and everything was spotless!)
These findings allowed me to negotiate the machine for 1.750 GBP, and still bring a tool cart and some extra things. Brought the computer machine , manuals, cds , and more one thing or another.
I found the invoice and the machine was sold by a Spanish company in October 2007 , as shown in the plate that has the back .
After solved the transportation problem and how to make / pull the machine from the basement to the trailer, we brought it to its new home!
One of the first things i did was to remove the bented parts and straighten them.
Then I cleaned and lubricated the entire machine, checking tightness of bolts.
For tomorrow i will try to make it move and cut something. But i am very positive, because when dismantling some parts for the cleaning i found very little dirt and wood particles. The machine was used but very little time.
The Photographs of the controller unit, and command - rznc 0501 are missing, but inside there is a unit similar to this one,
I have some questions , especially regarding the 3kw spindle. Should i install new plastic tubes? In the picture you can see they are not clean, is it supposed to be?
Does anyone have a manual? Where am i supposed to connect the two plastic tubes?
I would like to hear your opinions about the machine, bring it on!
What would you improve/upgraded?
Best regards from Portugal!Last edited by shapebusters; 23-04-2014 at 10:46 PM.
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24-04-2014 #5
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24-04-2014 #6
Last edited by shapebusters; 24-04-2014 at 01:59 AM.
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24-04-2014 #7
The last picture you showed on the previous post is the VFD ( Variable frequency Drive) this is what controls the spindle. It takes 220-240V 60hz single phase power and converts it to 3 phase variable frequency between 0hz and upto 600hz depending on the rating of the VFD and spindle. Probably 400hz. This gives you the abilty to control the speed of the Spindle.
You can also control the VFD from the CNC controller and have the software turn on/off and set the speed. This does require other hardware called a spindle speed controller which outputs signals to the VFD.
Your control box may or may not have this.? If you supply good quality pictures of inside then we may be able to see if you have one or not.?
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