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  1. Hey everyone! Just wondering if anyone knows if the Ultimaker S5 or S3 meets the EU fire EN45545 standard? I have read the VPAT, Declaration of conformity and Declaration of safe unattended professional use. All which reference electrical safety standards that the printer meets. Can someone point me in the right direction? Thank you
  2. Can anyone advise which is the best setting to use here for dimensional accuracy. Exclusive, middle or Inclusive. Thank's.
  3. Howdy Y'all, I am trying to to use Cura slicer for WAAM. To say I have hit some hurdles would be an understatement. The first technical challenge I have ran into is overlap setting. For successful laying of welds there has to be a relatively large overlay between beads. I have looked through Cura and can not find any settings that specifically allow me to dictate the overlap between skin and walls. I also am not sure if Cura is capable of calling a weld start or stop opposed to retraction and extrude. I am not super code savvy and do not have the ability to personally modify Cura. Has anyone had luck with Cura for WAAM?
  4. Hello Ultimaker Team, We recently bought 2 Ultimaker S5s. We now have a project where we tested different materials and got the best results with CPE +. Since this is a series part, I wanted to ask whether the Ultimaker CPE + filament is RoHS compliant. In the new RoHS directive, four new materials that belong to the plasticizers are excluded. The question now is whether the CPE + Filement meets the new RoHS requirements. The following 4 materials were added as part of DIRECTIVE (EU) 2015/863 which was published on 31 March 2015. PBB and PBDE are flame retardants used in several plastics. · Bis(2-ethylhexyl) phthalate (DEHP) · Butyl benzyl phthalate (BBP) · Dibutyl phthalate (DBP) · Diisobutyl phthalate (DIBP) Maximum Permitted Concentration: 0.1% Can you give me a statement if Ultimaker CPE + filament is RoHS compliant. Thanks in advance.
  5. In the manufacturing process for tape we make a shaft is aired up to 90 psi to expand the shaft. This allows the spools of product to slide off when the air is released. We have been using store bought air gun nozzles (Picture 1 circled in red). We are burning through these every 2-3 days per machine, multiplied by 4-5 machines running 24/7 at $3.50 a piece it adds up. I was tasked with 3-d printing a replacement that was cheaper and lasted longer. I started with just ABS (pictures next to store bought). I realized that ABS won't seal the shaft and therefore won't inflate the shaft. I bought some Black UM TPU 95A to make a flexible tip to seal. I used White ABS on the bottom and made some "zig zags" to transition from ABS to TPU. I originally had a cone with a hole in it to make up the nozzle (#1). This was way to stiff to seal. I then made a hollow cone with a wall thickness of 0.03 inches (#2). This provided a lot more flexibility but the "Z" (up) direction was still really stiff. The "Z" is the part that needs to seal and it would be nice if it was softer. The design may need to be changed to achieve this. The issue with my first and second successful print was there was a under-extruded part 1/3 of the way up which when pushed side to side it expanded and looks to leak or fail there and did when I pushed to hard on #1. I then changed the flow settings to 130% instead of 106% (#3). I also changed the retraction to 20-30 mm?? because the TPU was leaking out and caused blobs and possibly some "under-extrusion" layers where material wouldn't stick on #1 and #2. This provided a smooth finish and no under-extrusion but is very stiff and may not seal. I am waiting for them to go on the machines but need to find some time when we are less busy in case they fail fast. I thought it would be helpful to document this process and also ask for help with making a flexible air tight part. I am cutting 1/8" NPT threads into the ABS. Some parts I have yet to cut the threads in yet.
  6. Dear all, My name is Pedro Mendonça, Master student from Brazil, in the master program of the School of Industrial Engineering of Federal University of Goias, located in the city of Goiânia (https://ppgep.fct.ufg.br/). My master thesis is based in the principle of analysing the Overall Equipment Effectiveness from 3D printers in a distributed Supply Chain Network, in the context of the project Flexible and Autonomous Manufacturing Systems for Custom-Designed Products (FASTEN - http://www.fastenmanufacturing.eu/). The mission is to develop, demonstrate, validate, and disseminate an integrated and modular framework for efficiently producing custom-designed products. More specifically, FASTEN will demonstrate an open and standardized framework to produce and deliver tailored-designed products, capable to run autonomously and deliver fast and low-cost additive manufactured products. This will be achieved by effectively pairing digital integrated service/products to additive manufacturing processes, on top of tools for decentralizing decision-making and data interchange. So, I would like to ask your help, if possible, in providing information regarding 3D printers and their performance. The main information is regarding the performance logs by the 3D printers, related with: 1) Their PRODUCTIVITY, which is calculated simple measuring the theoretical (expected or average) and real time spent in each printing process (setup, warm-up, coating, cool-down, piece removal and postprocessing - like debasing or material finish). Is fundamental that the piece and the date is identified, in order to have the process in a better comprehensive analysis method. 2) Their AVAILABILITY, which is calculated by the difference of scheduled time for printing and the real time, which is reduced by the non-scheduled stops (like listed in https://ultimaker.com/en/resources/troubleshooting/error-messages). It will be very helpfull if the reasons of non-unscheduled stops are informed for each stop, in order to have a sample of situations that are more common to a more efficient analysis. 3) Their QUALITY, which is calculated by the difference of the number of pieces that were printed and the number of pieces that were discarded. It will be very helpfull if the discarded reason is informed, in order to perform a more detailed analysis. I thank you immensely for your attention and for the information provided. Best regards, Pedro
  7. hi guys quick question could u print a inner mold out of pva then vacuum bag carbon fiber over the top or would the resin in carbon fiber attack pva before it set looking at new ways to make carbon race car parts thanks
  8. Hi everyone, I am currently undertaking a dissertation research entitled “Procurement routes for 3D printed facades: Using additive manufacturing technologies to drive supply chain transformation” as part of an MSc in Façade Engineering. The survey is designed for facade professionals and 3D printing professionals respectively. I am interested in understanding the potential of 3D Printing in the façade industry and how would the use of additive manufacturing technologies influence conventional procurement routes. It would be greatly beneficial for this study if you could complete the questionnaire accessible through the link below. It contains 12 questions and should take about 10 minutes to complete. https://uwe.eu.qualtrics.com/jfe/form/SV_56XYyatNQfQfkxL Thank you, Loredana
  9. Hey guys, So, I'm onto another avenue which is injection molding, unfortunately it costs about 5-10K just for the mold so that's off the table already. Next thought was a pour-able compound into a 3D printed mold, it seems there are some pour-able materials which might work but will need testing. To do the testing, I'll need to make a mold and I'm wondering if anyone has any experience with designing 3D printed molds? from what I saw on Cura, when I clicked the "mold" button it just made it so I could pour something into it but gave me no way to release the part once finished, no air holes or anything either. I have absolutely no experience with plastic molding so any advice or ideas you guys have is welcomed. The guy I spoke to from the company who makes the compound said I could do a 2 part mold and just bolt it together or whatever, then just squeeze the material into the mold and bobs your uncle, once it's finished, open the mold and voila. Here's the material I'm thinking of using. https://www.smooth-on.com/products/sorta-clear-40/ I also attached the file of the part to be made in the mold. Original Peg O.G.obj
  10. I have an application where I'm trying to get a PETG object to snap onto rails, I've printed one so far and it just snapped the piece being snapped in. What do you guys recommend for making something like that stronger? I made it 2MM thicker but I'm thinking it might not be enough. It was with 20% infill and just 2 walls.
  11. Hi everyone, I am working on gyroid pattern and I want to understand how infill line distance (given in Cura settings) relates to parametrization of gyroid. Is it just the size of 2 by 2 TPMS ? Or size of fundamental patch ? Thanks in advance,
  12. How can the very latest, cutting-edge design software combine with a 5,000 year old manufacturing technique to deliver outstanding weight reduction opportunities? Designing for light-weight parts is becoming more important, and I’m a firm believer in the need to produce lighter weight, less over-engineered parts for the future. This is for sustainability reasons because we need to be using less raw materials and, in things like transportation, it impacts upon the energy usage of the product during it’s service life. Lighter products mean less fuel to move them around, which can make our fossil fuel reserves go further, or make more efficient use of the renewable energies that we’re now beginning to adopt. Generative Design (GD) is the very latest design software released by Autodesk and is now included in Fusion 360, which is at the heart of their "Future of Making Things" strategy for Design and Manufacturing. It changes the way we design things and can deliver very efficient designs that deliver structural performance with optimised use of material. The aerospace industry is expected to be one of the early adopters of this technology because in that industry the cost and environmental savings from improved fuel efficiency carry the greatest rewards. Also, I see interest from the automotive industry for the same fuel efficiency reasons, but in the long term the drive for lighter weight parts could benefit many industries, even those outside of transportation. Another example of the benefits of lighter weight alongside reduced material usage is that shipping costs for parts reduce as their weight reduces, which can therefore also deliver cost efficiencies. GD is targeted initially at metal parts where the biggest opportunity for light-weighting exists. The complex forms it generates though often means that parts conceived in this way cannot be made with conventional manufacturing routes. They therefore need to use Additive Manufacturing (AM) techniques to produce them. The route of using high energy, laser-based AM to do this comes with associated high costs because of the specialised set-up knowledge required together with expensive processing, and post processing, to deliver a quality-assured part. This project explores the possibility of a more cost-effective route to a metal GD part which, even though at this stage may be just used for a small quantity of evaluation prototypes, can act as an enabler for understanding the potential that GD has to offer. This is the baseline design for this project. It is an aluminium bracket design similar to those used in aerospace applications to mount control surfaces, and in this form has not been optimised for weight. This design would weigh 383 grams in the intended material, aluminium A356. After processing this through Generative Design in Fusion 360 it’s time to review and evaluate the many alternative design options presented and decide upon the design that is considered the most appropriate taking into the other factors that have an influence on design selection such as manufacturability, aesthetics etc. This was the design option chosen for this part and Fusion 360 was used to create the final version of the model. The bio-mimicry that’s evident in most of the designs created by GD is interesting to see, in this case the design of the part can be seen as essentially a swept I-beam (which engineers, especially those in construction, are taught is a strong section), but with tendon-like attachments back to the mounting points to carry the tensile loading that’s created by the applied loading conditions What GD does is to turn the standard design workflow that we’re familiar with on it’s head. Traditionally we design a part and then stress test it virtually to determine if it fulfils the required structural performance. Any failures seen during this process require an iterative loop back to the design to correct them. With GD the stress analysis is a core part of the design synthesis, and happens as the part design iterates, which means that the output at the end should meet the requirements of the intended loading requirements. The software is searching for an optimal solution where the stress is ideally evenly distributed across the part as can be seen above. To prove that everything is good with the finalised design this part has then been virtually tested again in Fusion 360 to confirm that the original loading requirements are still met So we've created our lightweight part design, and maybe now we need to produce that in aluminium A356 to do some physical testing, but don’t want the expense of using a metal AM process. What follows is a way of achieving this where FDM 3D printing can play a role as an “enabler” to help create the final parts in conjunction with a very old (if not ancient) manufacturing technique called investment casting. This technique is 5,000 years old according to Wikipedia. The company involved with casting this project is Sylatech who have been using Ultimaker 3D printers as part of their process for investment casting of prototype parts Sylatech took the .stl file of this model and used it to create a 3D print of the part on an Ultimaker 3 in PLA. This PLA part was then used as the pattern in the investment casting process where it is submerged in plaster under vacuum conditions to ensure that all air is excluded from the mould and creates an accurate reproduction of the surfaces of the part. The picture below shows a display box which demonstrates the set up of the 3D printed parts partially encased in plaster. Once the plaster has hardened the casting box is put into a furnace at very high temperature in order to burn out the PLA, leaving behind a cavity into which molten aluminium can be cast. After solidification of the metal, and cooling of the mould, the plaster is broken away from the parts, and then they can be quickly and easily removed from the material feed gate resulting in these aluminium A356 versions of the PLA original. The final part weighs 122 grams which is a weight saving of 68% over the original baseline part, which shows the potential that GD has to make significant reductions in weight and material usage. Using this method we now we have an excellent quality physical part made very quickly in the final intended material in order to commence some physical testing.This is a different route to get to that physical test part in metal at a fraction of the cost of having it metal additively manufactured. It also shows how a brand new, cutting edge piece of software that only became available in May 2018 can combine with FDM 3D printing (which many people still see as a new technology even though it’s been around for over 20 years) and a 5,000 year old manufacturing technique to deliver potentially huge benefits in weight and material usage. Using the investment casting route in this case study is why I chose the title for this article, and shows that we can effectively go “Back To (Deliver) The Future”. Do you see the need for lighter weight parts in what you do, and can you see the potential benefits of using Generative Design and this method of producing metal parts? I'd welcome comments, suggestions, and discussion about any aspects of the above article, the next steps that I'm looking at are how this process could scale up to batch production of the parts using 3D printing techniques that could support low volume production quantities
  13. Good afternoon can anyone tell me if i could make a plastic product to use as a safety device for psi pressure is this something that can be done. I want to make small disc like shapes to use in a water pump. I need the disc to burst at 15.050 psi. If anyone knows anything about this i would be grateful if you could drop me a note. Thanks
  14. Hello all! I'm trying to figure out how I can acquire Ultimaker data such as print time, material used, etc. This data has important manufacturing/industrial engineering implications that can be used to track & monitor the value of the printers in the manufacturing environment. Has anyone found a good solution for downloading Ultimaker data automatically, storing it in a database, and then visually displaying it via applications like Tableau, etc? I know that certain industrial printers like the Stratasys Fortus can do this easily, but I have not yet found an easy solution for the Ultimaker. Right now I have two S5s, and one 3 Extended. Best Regards!
  15. Hi, I have been busy over the last 16 months upgrading the foundry equipment and have made a few mods to my Ultimaker original. I would very much like to hear from people that have tried metal casting 3d prints, ether from sand moulds or lost PLA. I hope you enjoy the video. Many thanks.
  16. Good morning Everyone, First, if this is posted in the wrong area; I do apologize, Mod / Admin please move to the correct location. Thank you. We have a need to print out replacement laptop keys and the laptop key hinges / scissor jack for our HP Stream 11 Pro G1 - G4 laptops. This project has been created to fulfill that need and I have several students working on modeling now in www.tinkercad.com. We have an Ultimaker 3 Extended; this is going to be some very fine work are there any suggestions on any settings that I should be using in Cura 3.5? Would any of you suggest this type of project for this printer? Currently we are able to get it to print out a blank key; but for some reason the edge / lip around the key won't print. Please let me know if I should attach some of our test .stl files and thank you for your time. By the way, happy Friday. Thomas
  17. I am looking for some feed back for some filament suggestions for hyro-dipping fixtures. I would like to print some masking parts for use in our hydrographics shop. I see polypropylene is available. Has anyone used polypropylene verses a PLA in this style applications? I need something that will be chemical resistant, and withstand a little more heat than the PLA. We had some of the PLA parts warp a bit in front of the heat lamps (we just aren’t baking them now) and we use some solvents in our dip tank that I’m afraid will wear out the PLA over time. Thanks Bryan
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