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Help with tubes that have v notch spirals

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  • K Offline
    KE6CVH
    last edited by 11 Oct 2012, 13:33

    I went to the link Massimo provided and it is the same as the one I went to but just to be sure tried it with the same result of "page not available" upon downloading. I tried another link for a ruby plug in from the same site, k tools 5.0 , that was mentioned in another thread with the same result. Any suggestions for the ruby library depot? Maybe I need to join the website or something. Best regards, Mike
    OK, found a couple links from another thread and got it to download but it wasn't from the Ruby library. Will work on this a bit and get back. Best regards, Mike

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    • K Offline
      KE6CVH
      last edited by 11 Oct 2012, 18:08

      Hello Solo and everyone, Well I kept trying and trying until something happened. Not quite sure how to get the outside of the pipe section to fill in only between the V notches and this is one thousand percent not to any scale. Basically, the V notch will be around .101" wide X .101" deep and the spacing between notches will be .101". This piece of pipe with a spiral shaped notch will be in different diameters from 2" down to about 1" and maybe even a little less. Then I hope to be able to very subtly change the dimensions to get exactly what is needed in each size. Please forgive the fact that I'm catching on to this whole thing not only slower than a 5th grader or 12 year old but now wondering if a 2nd grader would be leaving me in the dust on this learning curve. Thanks!
      Best Regards,
      Mike


      skeleton.skp

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      • G Offline
        gilles
        last edited by 11 Oct 2012, 18:24

        Is this what you want?


        skeleton.jpg

        " c'est curieux chez les marins ce besoin de faire des phrases "

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        • S Offline
          sdmitch
          last edited by 11 Oct 2012, 18:53

          Or something like this.


          V-Notch.png

          Nothing is worthless, it can always be used as a bad example.

          http://sdmitch.blogspot.com/

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          • P Offline
            pilou
            last edited by 12 Oct 2012, 00:15

            Artistic ? ๐Ÿ˜„
            torsade.jpg

            Frenchy Pilou
            Is beautiful that please without concept!
            My Little site :)

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            • P Offline
              pbacot
              last edited by 12 Oct 2012, 04:12

              How about the one in this picturetube_1.png?

              This could go on all night with this gang! ๐Ÿ˜†

              MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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              • K Offline
                KE6CVH
                last edited by 14 Oct 2012, 14:54

                Hello, I posted the tube with the v notch spiral but it only has an inside surface to the tube. When making an outside surface it covers what is supposed to be open on the notch portion. Is there a way to "fill in" the portions of the outside tube and not interfere with the notch?
                I paid the premium membership in hopes to get some help. Internet is deathly slow here where I'm at so youtube is a slow process and not sure what keywords to use to find the solution to what I'm trying to do at this step. I'm guessing this is rediculously simple to you all but that is why I'm posting on the newbie forum.

                Best regards,
                Mike

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                • K Offline
                  KE6CVH
                  last edited by 14 Oct 2012, 14:55

                  Oops, I did not see Peter's reply. Let me look into that one. Now I need to learn how he did it!

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                  • K Offline
                    KE6CVH
                    last edited by 14 Oct 2012, 16:41

                    Hi Peter! Thanks! I tried using the shape bender plugin as the first effort before using the screw plugin. I could not get things to line up right and it would not do the spiral. I did get shape bender to work with simple letters, straight line, and curved line. There is a big time difference here. I'm in Afghanistan and we are 1/2 an hour from the rest of the world. I received the Makerbot Replicator 1st gen in the mail 2 days ago. It may be the only one in the country but that won't be the only 1st because I also probably built the only black-light ping pong table in the country complete with glow in the dark balls (I'm on a blackout FOB, Forward Operating Base). This is much appreciated. I left you a personal message stating some of the other "mod's" I'll need to do such as a version with cutouts and some tabs allowing it to be bolted with Makerbot made plastic bolts/nuts to the base. I'll need to make it in other sizes as well.
                    Question: Will I be able to scale it up or down and then make the V notches the same size by some type of modification? Had serious issues with the Makerbot as it came minus the power supply, right extruder not extruding, and warping. Wired my own Lambda 24vdc power supply, put a washer in the right extruder to get it working, and waiting on some pure Acetone so I can make better ABS slurry to get it to stick. I'm also going to buy the upgrade kit for the MK8 extruder with the spring/ball bearing. Going to make some good stuff once the files are complete. Please do not hesitate to send me an email at the address I messaged you and I can send you picture. Best regards, Mike

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                    • P Offline
                      pbacot
                      last edited by 14 Oct 2012, 16:44

                      Mike,

                      IDK on the status of Premium services. I think some of it is still in the process of being implemented. I'll post the SKP of the tube with the various steps. There are many steps that require techniques you may or may not have learned. So we'll see what you need advice on, but it's all native SU, except I think one "recurve" plugin-- but no spiral or bender tool.

                      The problem with the outside face is: this is created here by making a cylinder of the exact diameter, number of sides, and alignment to the edges of the outside spirals. One needs to take care keeping that geometry straight so that the spirals line up to the faces and vertical edges that make up the cylinder, and that they will "intersect" and split those faces. SKP is good at helping with this.

                      I'll post the SKP and maybe some other notes. First let me get a coffee...

                      Peter

                      MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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                      • K Offline
                        KE6CVH
                        last edited by 14 Oct 2012, 19:31

                        Hi Peter,

                        Thanks very much. I've got some homework for tomorrow. It is after midnight right now so I only looked at the files to get an idea and will attempt making tomorrow. I'll get back tomorrow on my success levels at trying. Best regards, Mike

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                        • P Offline
                          pbacot
                          last edited by 15 Oct 2012, 08:01

                          Mike,

                          I looked at screw.rb and I think it will save time for you. I'll send you some more info on using that and some better trim methods by PM.

                          Peter

                          MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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                          • P Offline
                            pbacot
                            last edited by 15 Oct 2012, 20:26

                            Mike,

                            Here is the file. You may need help from others as I don't have experience in some of this geometry--so you might combine these methods with exact layout methods. I took the dimensions given as being on the axis. I did the whole model at 100 times scale and then scaled all of it down (including earlier steps), but I made a new method for some of this at the lower scale and that worked OK. You may want to keep it all at 100 times scale until final output. Save copies of various steps in case you need to backtrack.
                            I put dimensions in the above picture via LayOut but can dimension with SU or draw temporary lines or guides to check. Just SU dimensioning is difficult for something like this.

                            I also know NADA about requirements for 3d printing, so others can help you there.

                            You mention other things that need to be done to the shape. I have to see if I understand those first. IDK if this shape can be made a "solid" but that could help for more "cutting".

                            Also you mention being able to resize. Might be done. I think perhaps the pitch of the spiral changes if you keep all the other dimensions and change the diameter--if that's OK.

                            [EDIT: It is not shown in the file. I used the standard method shown in the above videos to create the first spiral: draw a circle (save a copy below for your cylinder etc.), explode the circle, pull up one vertex on blue axis with the move tool. Keep one angled edge, erase the rest. Radial duplicate the angled edge in a complete circle by the segment angle, and move-duplicate all enough times straight up for a complete revolution, choose (triple click) one spiral and erase the rest. "Recurve" the spiral into a curve and scale down to correct vertical interval. If the above videos aren't enough, I can show this too.]

                            [EDIT: I'm posting a better method, showing minute steps. The outcome is a solid group. And noting here that Screw.rb turns out to work well with this shape and saves a lot of work...but here's the more or less "native" version.]

                            @gilles said:

                            With no plugin:

                            http://www.youtube.com/watch?v=IT5r3AQZBnw ?

                            With plugin:
                            http://sketchucation.com/forums/viewtopic.php?p=122603#p122603

                            Have good days with SU.


                            TUBE.skp

                            MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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