MEBCWD

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Everything posted by MEBCWD

  1. Sorry. Tooth is an old painters term meaning to get rid of any slick spots and make sure the entire surface has a slight roughness so the paint has a place to bite into.
  2. Exterior Kilz would work well. If you prep with shellac first that would help seal any areas that might leach. Make sure you sand well to knock down any raised grain and make sure to add tooth to make sure the primer will bond well. Also any glue you use should be water proof like Titebond 3
  3. John I hate to hear that you want to paint those poplar boards that have all the mineral staining and dark green grain. I would go buy some cleaner grained boards and prime then well in advance of painting. Then I would take the other boards and make a nice piece of furniture or a chest out of them. Stained with a quality walnut stain most people will not be able to tell the difference between it and walnut. The problem with some of the dark streaks is the mineral content that could possibly leach from that portion of the grain. The green coloration is the natural color of the poplar and I have never had a problem with that part of the poplar. I suggest using exterior primer on the vanity because of the moist environment it will be in so there won't be problems later. Make sure you prepare the wood before you prime and make sure the primer is completely dry before painting.
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    This is a PDF file I created from a presentation I did at a meeting of our local CNC users group at one of the local Rockler stores. It shows how you can create or draw vectors just using keyed in entries into the Drawing Tools Forms
  5. I like the new 2 sided carving feature too. I open a box design that was 2 sided and moved vectors to the bottom. If you are on the top view and move text to the bottom then the text is flipped so you need to flop it over for use
  6. John I've also seen people build a room around their machine with Plexiglas windows and overhead air cleaner just to filter the air in that small room. This lets you see what is going on, cuts down on the noise level and helps contain the dust and chips generated.
  7. This is a PDF of a presentation I gave at a local Rockler CNC user group meeting showing how you can draw or create vectors in Vectric VCave V8.5 and Aspire v8.5. This probably works in V9.0 but I have not had a chance to check it out. They say they added the ability to use direct entry for drawing but you could do it before so I'm not sure what enhancements they made to justify the claim. Create Vectors Using Drawing Tool Forms.pdf
  8. There is also a new folder called Vector Art 3D Bonus Pack that contains 20 models in 3 formats for a total of 60 models. If any of you have the Vector Art 3d Sample Pack 16/48 of the models are the same. There is a Rose in the Bonus pack that is also included in the Plants folder and the Bear waving sign is now a design and carve file worth $25 just for the type A file. Of course you did fine the othe new ones by checking dates like I did so there are a few. All depends if you will use them or not. I have used the 2 sided feather and like it, I do a lot of two sided projects so this is a plus to me. I am having a hard time finding time to check out other enhancements but the smart cursor will probably be nice and geometric snap will be nice but if you have too much geometry then it might be a headache, at least they made it where you can turn it off if you don't need or want it.
  9. John about your only limit with a CNC is your imagination. If you don't have an imagination then it somewhat limits projects you can do but if you have an imagination the possibilities are endless.
  10. Looks like you got cutting acrylic down good, nice clean cuts.
  11. Kelly as you say This is so true and I think some people talk themselves into believing it is way past their abilities before they even try using the free trial of the software. It is true that some of the people will not be able to master design software but would be able to run a CNC machine if it was in their shop. They might find someone that will do the design portion of the projects for them for a small fee so they can just work in the shop and make things to sell.
  12. I have seen several CNC Sharks for sale that were never put together. The people got them and had no one to help them over the learning hump. I talked to one guy that said he did not realize that it was a kit and he had to build it himself. The Sharks shipped with the base in one package and the gantry in a separate box. All you had to do was mount the gantry and this to him was building one from a kit and he had no idea how to do it. Sat in a corner and never touched for 3 years, then his wife told him to get rid of it. I have seen several others that were put together but never actually cut anything and some that were used less than 8 hours, they gave up on trying to use them.
  13. Nice carving Dave.
  14. The software to do what you are talking about would probably cost several times the coast of just one of the best hobby CNC machines that the backyard woodworker can afford and there may be some large commercial machines already running something similar. There are too many factors involved in the mix of hobby machines to make it feasible for hobby use. For now the best way I have found to set feed and plunge rates for the bits in your data base is hold your spindle speed, calculate what the feed should be for a bit, then test and adjust that feed rate until you get the best cut/speed for that bit. Enter those values in the data base so when you pick that bit you know it will cut correctly in most materials you use. If you do a job with softer or harder materials then you can edit the feed for that job. So trial and error for the hobby user is the best way to go in my opinion.
  15. Let's see .... new parts could be cut with a CNC machine and then installed. Of course you would have to find a CNC some where.
  16. 4D you probably should send drawings of this with router to Probotix along with this explanation so it is quickly understood how the change would improve their machine.
  17. That makes things a little clearer and I would rather have your configuration. Glad you pointed this out.
  18. That's what I like about Vectric software several people can be presented with the same problem and each one can use different tools in the software to get to the same final outcome.
  19. You can also get the plug and play version of the Saturn and be cutting sooner. That's what I would have to do because I can't tell my regular customers they will have to wait until I build a new CNC and I don't have room in my shop to have all the machines at one time. Out with the old in with the new!
  20. I think there is something to like about both configurations. With the modification it doesn't look like you would be able to get as low with your spindle. I guess it makes a difference as to what project you are going to make. They could offer them as options and let the buyer decide which one they like best.
  21. Did you use the inlay toolpaths for this joint or pocket and profile toolpaths?
  22. Ron I've seen flowers that even with help could not look that good. Great use of those scraps.
  23. They could use it on the new machines and offer an upgrade kit for sale to the existing customers.
  24. Do you have pictures of how the bracket looks when the Z axis is in the down working position? It sounds like this would limit the cutting capacity on some jobs,
  25. I would have to ask a few questions first. Are you only going to make small craft type projects like signs, wall decor, clocks, boxes and crosses? or Are you also interested in making small furniture Items like shelves, stools or tables? Are you just interested in this as a hobby machine to make gifts for family and friends/ or Are you interested in making a few extra dollars with the machine? If all you are going to use your machine for are small projects for gifts then an entry model machine would be my recommendation. I would also recommend getting one that will handle at least a 1 HP trim router. I suggest a 18 x 24 x 4 to be the smallest cutting area to consider. If you are interested in building small furniture items also then I would say a 24 x 24 x 5 to be the smallest CNC foot print to look at and with it you might need special setups to build some items. You would probably be better off with a t least 24 x 48 x 7 cutting area to make most small furniture projects. A machine with a drive system that allows an open bed is a big plus allowing tilting fixtures and use of creative jigs. Most people would rather buy a turn key system than to build a kit but building one from a kit can save quite a bit of money and building your own from scratch you can make it any size you want to with any feathers you require. As far as software if you are not familiar with CAD based drawing you will probably be better off with Vectric software. Very user friendly and you can upgrade easily if the product you buy isn’t quite enough. If you want to do your own modeling then Aspire would be the program you want. If you are not interested in sculpting your own models then one of the VCarve programs would be a good choice. If you are familiar with CAD then programs like Fusion 360 are a powerful program to use. The best thing to do is download trial versions of each software to see if you can design the type of projects you are interested in doing.

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