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Nick: metalfusion  Info
Age: 30
Location: Helsinki

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DIY CNC 2

Author: metalfusion
Used time: 60 hours in CAD, 100 hours building.
Cost: 500-600e (upgrade from cnc1) 1200-1300e (built from scratch)
Categories: Handicrafts | Tools | Electronics

I should probably update this project too, even though the images have been here at ATM for a long time now.
- I decided to replace some more plywood parts of the router with ones made from aluminium. The machine itself is capable of cutting aluminium with very light passes, so I bought some scrap alumiunium sheets and had it cut these parts. The Z-plate is also several centimeters shorter than the original one. This because I noticed that the machine could cut way too deep into the table surface, which is useless movement range and could be used better at the upper end. Now I can cut things up to 10 cm thick.

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Another point that needed an upgrade was the Z-axis top plate mounting. When drilling into aluminium the mount could be seen flexing /skewing which affected the precision on Z-axis. I made those L-angles -from 6mm aluminium and attached them with screws to solve the problem.

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Here you can see the upgrades to the Z-axis.

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I also made these stiffening parts for the X-axis, but they didn\'t have much effect.

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And a holder part for the X-axis ballnut to mount it properly using bolts instead of screws. The picture is taken before I drilled and tapped the holes for bolts. I used a wrong kind of endmill for drilling those holes and had some serious issues with vibration. As you can see, some of the holes are not round at all.

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14.11.2018 15:02 HermanCan i get your plans?
27.04.2014 21:53 Jaramillo V CarlosTe felicito, te quedo super.
29.08.2012 21:52 jestaHey, great project and nice design! Thanks for sharing at all... I was sending you an email, does it reach you?
09.10.2011 09:48 metalfusionmapra: The motors are 1.8Nm on Y and X-axis, 3.5Nm on the Z from arc euro trade. I have a list of all the things I used, just send me email to metalfusion @ gmail.com if interested.
09.10.2011 04:42 mapraHi! your desing looks prety good! what kind of motors you used? I purchased two weeks ago similar sizes of rails and ballsscrews to Chai, and whating for them!
07.03.2011 10:06 metalfusionNo can do, it is already in it's most disassembled working state.
07.03.2011 09:24 JaverhHave you considered opening the router and bolting the spindle straight to the z-axis?
06.03.2011 21:41 Jiikaxthats awesome :D
28.12.2010 12:06 YarikoNice :) Now just sitting back and waiting that you pop some sick mods :P
23.11.2010 16:54 TeppisAnd where you got those slide rails?, (mhmh, why does this look like that I am writing by using my facebook account even I am logged with atm account,only on live shows facebook logo and after that number 1)
23.11.2010 16:53 TeppisNeat. How much you ask for it? ;). Have you somekind drawings from that?, Could you share them when you have completed that one? :)
21.11.2010 21:55 dyyzlol
21.11.2010 12:13 metalfusionIt is my old Peugeot Speedfight 1 LC '97 It has electrical problems and now serves as a cable holder :D
21.11.2010 12:06 dyyzhttp://allthemods.com/img/04/7471.jpg whats the scooter on background?
07.11.2010 17:38 JipaAlready looks good.
31.10.2010 08:04 metalfusionWell, the first one has several shortcomings: 1. The structure is not very rigid which forces me to keep the cutting forces to minimum (cutting takes longer) 2. It has some parts that will wear out pretty quickly, mainly the slides. 3. It's not very reliable, small mechanical failures are very common. 4. The table and cutting planes are not parallel and it can't be adjusted. 5. It lacks an adequate method for workpiece fastening. I'm currently using screws which leave marks in the router table surface. All these problems have been addressed in the design of this new machine.
31.10.2010 03:15 fknoobwhat's wrong with the first one? or just making it bigger and better this time?
22.10.2010 22:32 metalfusionIt will be the same as on my current router: Co/Tech 2000W
22.10.2010 22:24 JaverhLooks like a nice design for the base frame. What router are you planning on using as a spindle?
22.10.2010 20:08 YarikoOoo... Poor tiny wheels :( Damn I want to start my DIY CNC too but I am just so lazy :D