I think the cake is a little bit funny and it also taste good but it is not the best cake around.
On Tue, 28 Mar 2017 12:25:41 -0700 Chris Albertson <albertson.ch...@gmail.com> wrote: > I see the argument as going like this > > One group says these 3d printers are worthless because they can't be used > to make the stuff I am now making. For example "I can't print an exhaust > valve for a diesel truck motor." > > The second group sees the printers and thinks about using it for new > products, making things that can't be made at present, This group finds > these printers to be much more useful. > > My interest in printing is making machines that can be precision work but > where the machine itself is very non-precision. Think about a task like a > robot arm that can pick up a bolt and nut from two bins of loose parts and > then thread the bolt into the nut. Can such a robot machine be made with > cheap plastic parts for under $100? I don't know yet but "maybe" > Humans hands are not precision machine tools but we use feedback to do > precision work so there is hope a robot machine could work like that. SO > just ONE example of serious work can cane done with a cheap 3D printer, > search into precision materials handing. > > Cheap robots that can do precision light assembly work will put millions of > Chinese factory works out of work and allow those iPhone factories to move > out ofChina to the US or Europe but my example task, assembling a bolt into > a nut from loose parts bin is really hard so those people need not worry. > > So, 3D printers work well only when the task is matched to their > capabilities, no surprise there. > > Another use for printer-like machines and robot assembly is the comping > "post industrial revolution" In the pre-industrial days when you bought a > pair of shoes or a shirt, you would be measured and the sod custom made > just for you. Your clothing would fit well and be just what you wanted, > assuming you could pay. Most couldn't. Then came mass productions and > and standard sizing and everyone got cheap, but maybe not what you want or > in the exact size you need. But cheap is good so we put up with it. The > next phase is going back to the 1600's where everything is custom made just > for you one off special. It will happen. For the consumer it will be > better, Everything will fit perfect and be in the color and style you want > and for the retailer there is not inventory cost. Al of the jobs in this > new economy pay better too. No now has to work for $2 per hour in a > Chinese facility. It might be only 50 years away, some people here may > live to see it. > > These 3D printers are the leading edge of this new economy. They work > poorly, but think of automobiles in the 1880's they were horrible and not > practical at all. Only for rich people hobby driving. Only 70 years later > we built the US interstate hi way system. We are in the 1880's now with > respect to the new post industrial economy, 3D printing is still mostly a > rich man's hobby. > > > > > On Tue, Mar 28, 2017 at 9:58 AM, Nicklas Karlsson < > nicklas.karlsso...@gmail.com> wrote: > > > > I have one that is very similar and I bought it pretty much out of > > > curiosity. It sits in the corner of my office gathering dust. My > > > experience with 3D printing was pretty underwhelming. It is very finicky > > > and the results aren't that great. It gets pretty frustrating when > > > something goes wrong 4 or 5 hours into a print (3D printing is SLOOW). > > > This type of 3D printing is pretty inaccurate and prone to distortion > > > due to uneven cooling etc. The prints also aren't that strong. If you > > > put enough time into it you can get some good results but most of the > > > stuff I want to make either needs to be strong or dimensionally accurate > > > (or usually both together). > > > > > > Mechanically these machines aren't bad for the money. The filament feed > > > motors are a bit under powered and can struggle to feed, especially with > > > ABS or nylon. The filament is supposed to be fed through a tube to the > > > head but I found it works much better to mount a roller above the > > > machine and pass the filament over that. Having two heads is a nice idea > > > in theory but I found the second head can sometimes knock your part off > > > the table. I ended up removing the extruder nozzle on the second head. > > > > > > I don't regret getting mine. It was an interesting learning exercise but > > > IMHO hobby level 3D printing has a long way to go before it will become > > > really useful. If you are serious about building a large format machine > > > I would definitely suggest getting something like this first. > > > > In sweden we have a kind of cake that have been 3D printed for a long time > > http://sv.visitskane.com/sites/default/files/styles/ > > article_popup/public/field/image/spettekaka.jpg?itok=wPnZiQfK > > > > ------------------------------------------------------------ > > ------------------ > > Check out the vibrant tech community on one of the world's most > > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > > > -- > > Chris Albertson > Redondo Beach, California > ------------------------------------------------------------------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
