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The baby beast is cutting away - Peurto Ordaz, Venezuela
(Note added by Admin: "My table is for boards 1.200mm*2.400mm, official measure of MDF in my country.")
Hello. My name is Hugo Carradini and I am a metal sculptor that was trying to get a small machine to cut stainless steal and find out a forum called CNC Zone that trapped me. Since I find out that I could do a CNC machine (that was a year and a half ago) I just can't stop thinking any other thing that is not related to CNC. I started with a small wood machine for cutting wood and plastics just to learn the basics, then I draw my own design using metal frame that you can see in http://www.cnczone.com/forums/showthread.php?t=23649 and know I am ready to start with a big man toy. I forgot the plasma for a while because I want to learn the basics and is, I think, easier the electronics for a router machine. My partner is an architect that owns a wood shop so there is plenty of work to do. I am the kind of person that finishes what I start so hope to be posting soon and hope to get when needed the help that you people can give. Thanks Gerald for this great opportunity and hope to end up with a machine I can proudly show. English is not my native language so excuse me for any mistake. Regards Hugo Carradini |
OK Gerald. I just started, asking for the laser kits. I will be sending photos of all my process as son as I start. I will be slow for the next month because I am moving my Shop and that is a lotttttttt of work but my heart is in this machine and I need it to come alive.
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Hugo, your profile here has a link to your Vitrales website - but it appears to be broken? Does that website still work?
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I have some body taking care of that website and apparently forgot to reactivate it . (I recognize not having experience handling a web page)If the problem keeps I will have designed a new one and is a shame because it is a nice page.
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OK. I will take care. Talking about Mcmaster, I have a problem. I wanted to buy the cable carrier, the spring and the gas spring. They receive the order , send a e-mail confirmation notice an at the next day this
Hugo, Thank you for sending us this order. Due to the ever-increasing complexity of U.S. Export regulations, McMaster-Carr has decided to only accept orders from a few, long-established customers of ours overseas. We cannot accept your order, and regret any inconvenience this causes you. Kris I don't want to speculate, sow I will like to know is there is a way I can pay some one to buy my stuff and have it send to mi address in Miami. Or maybe another address where I can buy the gas spring and the cable carrier. Thanks Hugo Carradini |
let me know what you need
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Hello reza.
I need from McMaster: 4516T283 Open Feed-Through Style Cable & Hose Carrier 1.38" H X 3.66" W Overall Sz, 3.94" Bend Radius, 6'L 2 sets 4556T582 Mounting Bracket for Cable and Hose Carrier Open Style, 1.38" H X 3.66" W Overall 2 sets 9654K324 Steel Extension Spring 4-1/8" Length, 9/16" OD, .08" Wire 1 set 9416K181 Gas Spring with Threaded Ends 20 Force, 18.22" Extended Length, 7.87" Stroke 1 set 9416K95 M6-Thread Assortment 1 set I can pay you with Visa or MasterdCard and once you registered it you can send it to my courier. I will really appreciate if you can help me. Thanks |
sURE. nO PROBLEM. Send me email with your info
reza(at)tuliphomes(dot)com |
reza ¿Can you indicate me and address where I can buy on line my cables and all the surplus like contactors, e-stop buttons, relays etc? I guess there are so many that that at the end I finish all confused and when English is not your native language, well......
Thanks again |
I got some stuff at www.factorymation.com
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Was factorymation happy to sell small quantities? (Like the DIN rail and brackets)
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I did not have any problems. They don't have the wires. I had to get these from other prices at a very high price.
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Hello friends.
I got confirmation and UPS tracking numbers in almost all the electronics including motors needed for my project. I am having problems with the Geckos (send two mails and no answer yet) and the cables. I need and address to buy on line, the cables, before a have to bother Reza that kindly is helping me with the McMaster stuff and the racks. The laser cut parts will be send by Donald. Hope you guys understand that some times is difficult for me to get the things I need (every thing has to be imported)and language is a barrier to understand exactly what has to be done. But I love this project and I am decided to do it right. Thanks to all |
Hello Gerald and friends.
Here goes the first post of my process "kitchen" project. Don't be to critic with the holes for the fan "I know there is no excuse, will be fix soon" One problem I have is that we are suppose, in my country, to work with 110 volts but we really get is 120 volts so my transformer is giving me 12.8 volts instead of 9 volts. ¿Can I work with that voltage or do I have to low it down to 9 volt? Thanks for the comments. http://www.mechmate.com/Forum/messages/329/15164.jpg |
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Hugo:
It looks like you are having "SOME FUN" putting your electronics together.. A GREAT looking job so far. I am sure that Gerald will be proud of your accomplishments. |
Looks nice, Hugo.
Does Venezuela run on 60 cycle or 50 cycle power? Just curious... |
You are right Bob, a "LOT OF FUN"
Bill we run 60 cycle. Thank both for your comentaries |
Hugo,
Very tidy workmanship. Great job! I think you will find the fan will not be necessary. I too started out with a fan and found out they are an unwanted source of dust infiltration. I leave mine on for days at a time. There has been no heating problems. DocTanner |
Hello friends.
Thanks Doc. I think we use the same reducer on our motors , so I will need some advice on the best relation for the pinions. While we wait Gerald gets back I need to inform got a new problem. I connect the transformer to make a test but won?t give me a lecture. It is like dead. I think will have to take to a technician to check. The other problem is about the 9 volts that I am not receiving from my small transformer. Like I said before, instead of 110 volts we get 120 volts and the transformer gives me 12.9 volts. ¿Will this affect my card? ¿Can I work with that voltage or do I have to take to 9 volts? Thanks for the advice you guys can give me and hoping Gerald get back with his characteristic enthusiasm. Hugo Carradini |
Hugo,
You are correct, Gerald does use a fan on his. But I vented mine to the outside. This created my dust problem. I don't always follow instructions well. http://www.mechmate.com/Forum/clipart/happy.gif One thing about it, if you follow his plans to the letter, it will work! DocTanner |
Hugo, I use a 12VDC transformer with my PMDX-122 without any problem. The PMDX uses a 7805 voltage regulator to reduce the voltage to 5VDC on the board. The regulator has to drop the excessive voltage in the form of heat, so the higher the voltage that you supply to the card, the more heat is produced. I've often left my PMDX powered on for several days on my test bench without any heat problems. If something drastic happened and somehow the 7805 regulator burned up, you could replace it for about $1.00 and two or three minutes with a soldering iron.
The 7805 needs to have a little excessive voltage in order to work. Normally, when I'm building a process control computer, I use a 6VAC transformer through a bridge rectifier to produce about 9VDC that I feed to the 7805 voltage regulator. I think that the designer of the PMDX used the same rule-of-thumb when he specified 9V. You've got a really nice layout! All of the work looks professional. It's hard to trouble-shoot electronics on a forum, but there are a few things that I always check. First, I find where the power stops, meaning that I check power at the output of the 'disconnect' switch, then I check power at the output of the 'contactor', and then at both the input and the output of the transformer. Next, I check power going into the PMDX-8020 power supply and power coming out of the power supply. Anyway, you get the idea. If you can tell us what has power and where the power stops, we might be able to give you some hints. Just one quick question. How do you turn on your 'contactor'? In the photos I didn't see any wires leading to any switches. I just assumed that you did that wiring after you took the photos. I also assumed that you wired the steppers to the G203s after you took the photos. Can you also tell us exactly how you wired the outputs on the toroid transformer? When I first connected a toroid, I connected the outputs wrong so that one winding actually nulled out the other winding. No harm was done, but I stood there scratching my head for a few minutes wondering what had happened. -Mike |
Congratulation for your efforts !
Neat & clean!. The bar is getting higher in the quality built dept. It gives me more & more the twitch to go ahead with my built. Keep up the good work & hopping to see more of your built ! Amicalement, Robert |
Hello friends.
Thanks for all your comments, they keep me stimulated to do my best. Mike I will post next week the rest of my connections after I take this weekend off. What I did with the transformer was connecting directly 120 volt to the input 2x115 VAC BLK/WTH and BRN/ORN and make a lecture in the output RED/YEL and BLU/GRY (like the label in the transformer says about the cables connection) but would not show nothing. I guess that if every thing was OK I should have a lecture. Yes, I cheked that I had 120 volts in the input. Hugo C. |
Hugo, I cannot see your pictures on this stupid hotel's "internet". . . . .
Already I wrote something about the high voltage for the PMDX, but I cannot use Search here either. I think that 12V is okay. Check if the " heatsink" on the PMDX to feel if it gets too hot to touch. (this was the advice from the PMDX company) |
Hugo, I can see your pictures now, and I agree with everyone else that you have nice workmanship.
But I think there is a big problem with the size..... If that main (back) plate fits exactly into the box, then you have positioned the components too near to the edges of the plate. There is no space for the cables/wires on the edges. For example, how will the printer cable get to the the PMDX-122? (That cable has a big connector). |
Hello Gerald.
I made a mistake with the back plate and have it cut 50 mm smaller in the length than the original design. That?s why things are a little to close each other. Beside that, I have 50 mm free around all the box and the plate. I will be sending you new pictures of close up of the connections. Hope you are having a nice time in your travel, Regards Hugo Carradini |
Hi Hugo, got home just after midnight this morning. Glad to hear you have space all around inside the box. Here is the proper answer for the transformer voltage.
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Hello Gerald. All I want to share with you and the rest of friends (while you get this forum strait out), is that my motors are moving beautifully. I know you need good news now and hope this are good news for you.
Regards |
I really like good news like this! :)
Thanks! |
2 Attachment(s)
Gerald I fix my steps in Mach fallowing your formula. Motors move sow quiet that I am surprised, just a little buzz and a nice warm on the surface off the motors and I can run a G-code with the x slave motor running synchronized. Now I started to add the rest of the connections . I installed the SSR to a bulb and to the PMDX-122. When I turn the main switch the bulb starts simultaneously. I thought that the bulb should not light on before the PMDX-122 authorized it unless I made a wrong connection (99.75 % possibilities thats the reason) I know you said did not had experience with that device , but normally you always end with the appropriate answer.
There goes some pictures of what I did. |
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