#121
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Good idea - !
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#122
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Hi Dmitriy
A self assembling Mechmate. It is good thick wall tube you have used there and there is plenty off it. You have shown a nice option for people who might be replacing an ageing support board as well. Regards Ross |
#123
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Thanks, guys that my idea was pleasant to you.
Today I have finished table manufacturing. I have pasted on the top surface of aluminum tubes a strip of the foam PVC-PLASTIC. They will carry out a role of a "sacrificial" table. In process of deterioration I will level them, and when become absolutely thin - I will simply replace with the new. |
#124
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Nice very nice. Don't know how strong / stiff the PVC-Plastic is.
If strong I would make ALU smaller, PVC Plastic wider to make T-SLOT for clamping. |
#125
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Greetings Kobus.
PVC-PLASTIC is necessary only for aluminum protection. During through processing the top layer of PVC is damaged. In process of deterioration, PVC is leveled and again worked. Then simply we paste new strips of PVC. Function T-slot is carried out by tubes, approximately as on a picture. Later I plan to develop special fast clamps for the table. Which can be established from above, through a table. |
#126
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Hi Dimitri, nice design for the table.
I know the sacrificial PVC layer from professional tables with their heavy metal tops with machined t-slots. I might borrow your idea if I ever get around to building my MechMate. I have an idea to propose to you ( maybe you already thought about it ?) What if you seal up all the sides of your aluminum profiles ( weld/plug ) and then drill/mill a hole pattern in the top of them ( and bigger holes in the PVC ) ; you could make vacuum sections for holding your work. Fix a compressor style valve with a handle on each tube and voila a perfect sectional vacuum system ! Further elaborating: As most people seem to use only halve or less of their tables on most jobs; you could split the tubes in the middle and create two tubes out of each. That way when you fit valves on both sides so you can chose to split the entire vacuum table in half, and then section wise. Super versatile; and more hold down power on smaller jobs ( less vacuum needed ). |
#127
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I wish I had a picture.
I had a machine in our shop a really long time ago that I sealed up the ends with PVC sheet "plugs" that matched the tube profile on one end. The other end I did the same and attached PVC gate valves in each "plug" to make a manifold. Worked like a champ...but required A LOT of CFM to work. If I recall, a 15hp VANE pump was providing the vacuum. |
#128
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a question about dust foot ...
Ciao Dmitriy,
I am building my dust-foot and it's very similar to your, I am looking for a circular brush and I would like to know if yours is a "commercial" product or it's a personal creation. If it's a personal creation,can you share some info/photo on how you made it ? (just the circular brush) thanks Sergio |
#129
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Quote:
Certainly, I thought of possible use of aluminum pipes together with vacuum. My table has the size 2222х1600мм and is divided into 3 parts - 1111х1600, 714х1600 and 397х1600мм. I plan to make an average part demountable. There it will be established rotary А-axis. I wasn't defined with a choice of a source of vacuum - blower or a vacuum pomp. Therefore the table has an incomplete appearance. |
#130
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Quote:
I used brush-strip with length of a bristle 60мм with an aluminum cord - such could find. It bends simply the hands, for this purpose I didn't use any adaptations. |
#131
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Greetings to all!
I want to share the experiments in building of mine Dust foot. Value judgment - 95 % of a dust assembles this design with brush-strip in the width 60мм. I plan to make some more brushes with different width of a bristle. The smaller width of a bristle will allow to create stronger vacuum in a tool zone - accordingly more dust will be assembled. Dust foot it is not finished yet completely, but already quite successfully works. Here small video in work http://www.youtube.com/watch?v=0n7ujoC9N34 |
#132
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Dmitriy - thats a beautiful design you did v carving on - care to share the vector file - please -what was the aluminum cut speed
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#133
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Hi, Irfan!
This not my design. It was found by my friend in the Internet, and I have created a vector file on a photo. It is an infinite structure. In the attached file a fragment of this structure. And on a picture - how to make multiple copies. |
#134
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Irfan, here my options of aluminum cuting
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#135
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Nice dust foot design DMITRIY… поздравление
Also, what is this cam program you’re using, seem nice & simple ! Robert |
#136
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Robert, even you should be able to see that he's using Vcarve.. :-D
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#137
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Hi, Robert.
I`m use CorelDraw, AutoCad, Photoshop, 3D max, V-Carve, Cut-3D... and notepad (sum time) |
#138
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Sorry…..I’m not embarrassed to say here, never used or seen a Vcarve screen…..
Simpler to ask than search from all what’s out there ! |
#139
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Tks Dmitriy
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#140
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Hey Robert. I'm also sorry. Stupid of me to pressume that you also used Vcarve to do you G-Codes...
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#141
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Kim, No offence was taken, we all know you’re a friendly guy
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#142
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No problems, Robert! I am always ready to answer any question
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#143
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Hi Dmitriy, thankyou very much !
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#144
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Dmitriy, your work is excellent, keep it up!
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#145
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Thanks , Dmitriy for the file
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#146
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Greetings to all.
Who does any know, what material is used in between a table and a red detail in it video? http://protechcnc.com.au/protec_file..._HP-Vacuum.wmv |
#147
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mostly everyone uses MDF as its porous and spreads vacuum evenly.
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#148
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Hi Dmitriy
I am building my second MechMate. The biggest pain for me was the skateboard for cutting and grinding the rails. Please give some more details of your skateboard design, it seem to work very well and I might not use so many grinders in the process. Thanks Marius |
#149
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Hi, Marius!
I at all didn't draw many things - simply held in a head. Here only details of the carriage which I cut the laser. It is necessary to consider that thorns and reciprocal apertures have the identical sizes. It is necessary to cut with a backlash! I about it have forgotten, therefore after laser are sharp to me it was necessary to adjust a detail a file. You will find a photo and the scheme of assemblage in my post №28 and later. There will be questions - write, I will answer, no problems |
#150
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Thanks Dmitriy,
I will have a look at the files. |
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