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https://hydraraptor.blogspot.com/2009/07/production-issues.html?m=1 HydraRaptor: Production issues Since the beginning of the year HydraRaptor has been fairly reliable. I optimistically thought that I could get the 100 hours of printing do... production issues https://hydraraptor.blogspot.com/2011/06/fr4-fail.html?m=1 HydraRaptor: FR4 fail Well it seems that FR4 only lasts for about a week. The grip slowly fades making the parts very easy to remove. In fact they all pop off a... fail https://hydraraptor.blogspot.com/search?updated-max=2009-07-19T23:20:00%2B01:00&max-results=3&m=1 HydraRaptor My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. https://hydraraptor.blogspot.com/2010/09/rebore.html HydraRaptor: Rebore My Mendel has been very reliable and consistent running virtually 24/7, but about a week ago, after putting on a new reel of plastic things ... https://hydraraptor.blogspot.com/search?updated-max=2009-01-16T23:45:00-08:00&max-results=3&reverse-paginate=true&m=1 HydraRaptor My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. https://hydraraptor.blogspot.com/search?updated-max=2018-06-02T11:53:00%2B01:00&max-results=3 HydraRaptor My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. https://hydraraptor.blogspot.com/2010/04/?m=0 HydraRaptor: April 2010 My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. april https://hydraraptor.blogspot.com/search?updated-max=2010-12-16T23:49:00Z&max-results=3&m=0 HydraRaptor My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. https://hydraraptor.blogspot.com/2020/07/ HydraRaptor: July 2020 My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. july https://hydraraptor.blogspot.com/2016/04/?m=0 HydraRaptor: April 2016 My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. april https://hydraraptor.blogspot.com/2009/08/ HydraRaptor: August 2009 My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. august https://hydraraptor.blogspot.com/2009/12/reliable-extruder-at-last.html?m=1 HydraRaptor: Reliable extruder at last? ... well only time will tell but I have now fixed all the teething problems on my " no compromise " extruder. The first problem was it was l... reliable extruder last https://hydraraptor.blogspot.com/2014/03/?m=1 HydraRaptor: March 2014 My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. march https://hydraraptor.blogspot.com/2010/09/rebore.html?m=0 HydraRaptor: Rebore My Mendel has been very reliable and consistent running virtually 24/7, but about a week ago, after putting on a new reel of plastic things ... https://hydraraptor.blogspot.com/2007/09/ HydraRaptor: September 2007 My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. september https://hydraraptor.blogspot.com/2008/06/unsupported.html HydraRaptor: Unsupported! Kyle Corbitt has designed a RepRapable solar collector described here . The structure is made up from a triangular lattice like this : - The... unsupported https://hydraraptor.blogspot.com/search?updated-max=2011-01-10T23:54:00Z&max-results=3&reverse-paginate=true HydraRaptor My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. https://hydraraptor.blogspot.com/search?updated-max=2012-07-26T08:39:00%2B01:00&max-results=3&start=6&by-date=false HydraRaptor My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. https://hydraraptor.blogspot.com/search?updated-max=2011-12-29T14:26:00-08:00&max-results=3&start=3&by-date=false HydraRaptor My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. https://hydraraptor.blogspot.com/2012/12/mendel90-updates.html?m=0 HydraRaptor: Mendel90 updates It has been a long road but I am now in a position to sell complete kits for Mendel90. My original plan was to use laser cut acrylic but the... updates https://hydraraptor.blogspot.com/2008/04/?m=0 HydraRaptor: April 2008 My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. april https://hydraraptor.blogspot.com/search?updated-max=2019-06-13T11:10:00%2B01:00&max-results=3&reverse-paginate=true&m=1 HydraRaptor My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. https://hydraraptor.blogspot.com/2010/01/hot-metal-and-serendipity.html?m=1 HydraRaptor: Hot metal and serendipity I couldn't get to work today because we had seven inches of snow during the night and a couple more today, so I had an extra day of RepRappi... hot metal serendipity https://hydraraptor.blogspot.com/2007/10/stretching-point.html?m=1 HydraRaptor: Stretching a point In his article: x-idler-bracket-continued Vik Olliver alluded to the fact that you can extrude filament with a smaller diameter than the h... stretching point https://hydraraptor.blogspot.com/2007/12/cutting-corners.html HydraRaptor: Cutting corners When making solid blocks with 0.5mm HDPE filament I noticed that the corners are not very accurate. The right hand edge of the 20mm cube bel... cutting corners https://hydraraptor.blogspot.com/search?updated-max=2011-06-25T21:44:00%2B01:00&max-results=3&reverse-paginate=true&m=0 HydraRaptor My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. https://hydraraptor.blogspot.com/2009/01/thermal-gradients.html HydraRaptor: Thermal gradients Although my last extruder design seems to work, I am not very happy with it. I don't like the little fan because it is noisy, it isn't easy ... thermal gradients https://hydraraptor.blogspot.com/2007/10/die-swell-revisited.html HydraRaptor: Die swell revisited My machine is back up and running again after replacing the thermistor and MSP430 micro. I added some high temperature insulation to keep t... die swell revisited https://hydraraptor.blogspot.com/search?updated-max=2019-06-13T11:10:00%2B01:00&max-results=3&m=1 HydraRaptor My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. https://hydraraptor.blogspot.com/2007/09/temperature-drop.html HydraRaptor: Temperature drop My extruder controller is working much better after I cured the motor noise problem. The 10 bit SAR ADC also seems to work better than the 1... temperature drop https://hydraraptor.blogspot.com/2009/04/dinosaur.html HydraRaptor: Dinosaur? This may be an evolutionary dead end, with the move to stepper motors and pinch wheels, but I wanted to try a couple of things that have bee... dinosaur https://hydraraptor.blogspot.com/2011/06/reliable-connections.html?m=1 HydraRaptor: Reliable connections After eliminating lots of other sources of unreliability in my machines, electrical connection failures are now the most common failure mod... reliable connections https://hydraraptor.blogspot.com/2021/?m=0 HydraRaptor: 2021 My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. https://hydraraptor.blogspot.com/search?updated-max=2009-01-16T23:45:00-08:00&max-results=3&reverse-paginate=true HydraRaptor My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. https://hydraraptor.blogspot.com/search?updated-max=2009-08-09T21:03:00%2B01:00&max-results=3&reverse-paginate=true&m=1 HydraRaptor My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. https://hydraraptor.blogspot.com/search?updated-max=2009-02-19T00:26:00Z&max-results=3&start=3&by-date=false&m=0 HydraRaptor My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. https://hydraraptor.blogspot.com/2008/03/high-temperature-extruder.html HydraRaptor: A high temperature extruder? The standard RepRap extruder can't quite handle the temperatures for HDPE for very long. I have found a high temperature replacement for J-... high temperature extruder https://hydraraptor.blogspot.com/search?updated-max=2011-04-25T23:46:00%2B01:00&max-results=3&reverse-paginate=true HydraRaptor My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. https://hydraraptor.blogspot.com/2010/01/will-it-stick.html HydraRaptor: Will it stick? ABS sticks very well to hot Kapton , so I wondered what else would stick to it. The first thing to try was PLA. This sticks pretty well to c... stick https://hydraraptor.blogspot.com/2007/09/?m=0 HydraRaptor: September 2007 My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. september https://hydraraptor.blogspot.com/2009/07/hydraraptors-second-child.html?m=1 HydraRaptor: HydraRaptor's second child Back in March I had a visit from Marcin Jakubowski , the founder of Open Source Ecology. He was over here in Manchester presenting at a con... second child https://hydraraptor.blogspot.com/search?updated-max=2010-04-06T19:49:00%2B01:00&max-results=3&reverse-paginate=true HydraRaptor My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. https://hydraraptor.blogspot.com/2012/03/mendel90-files.html?m=0 HydraRaptor: Mendel90 files I have put the Mendel90 files on GitHub . There is the OpenScad source code plus some Python scripts that, given a machine configuration, wi... files https://hydraraptor.blogspot.com/2011/04/auto-bed-leveling.html?m=0 HydraRaptor: Auto bed leveling One thing I find tedious is leveling the bed of my machines, so I decided to make use of the Z-prob e on HydraRaptor to measure the incline ... auto bed leveling https://hydraraptor.blogspot.com/search?updated-max=2025-08-17T15:40:00-07:00&max-results=3 HydraRaptor My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. https://hydraraptor.blogspot.com/2007/07/ HydraRaptor: July 2007 My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. july https://hydraraptor.blogspot.com/2012/01/bearings-bushings-and-bars.html HydraRaptor: Bearings, Bushings and Bars My last post started a discussion about why I got only a few hundred hours of use from PLA bushings and in particular commercial IGUS bush... bearings bushings bars https://hydraraptor.blogspot.com/2007/04/stacking-up.html?m=1 HydraRaptor: Stacking up You may notice my blog entries slow down a bit as I have now finished catching up so it has become real time. Hopefully I should get less co... stacking https://hydraraptor.blogspot.com/search?updated-max=2010-02-10T16:57:00-08:00&max-results=3 HydraRaptor My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. https://hydraraptor.blogspot.com/2017/07/ HydraRaptor: July 2017 My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. july https://hydraraptor.blogspot.com/2010/12/?m=1 HydraRaptor: December 2010 My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. december https://hydraraptor.blogspot.com/2008/10/?m=0 HydraRaptor: October 2008 My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. october https://hydraraptor.blogspot.com/2016/02/cool-maps.html?m=0 HydraRaptor: Cool maps The aim of making the instrument described in the last post was to be able to quantify the cooling effectiveness of various fan and duct co... cool maps https://hydraraptor.blogspot.com/search?updated-max=2010-03-21T15:43:00Z&max-results=3&m=0 HydraRaptor My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. https://hydraraptor.blogspot.com/2008/03/ HydraRaptor: March 2008 My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. march https://hydraraptor.blogspot.com/2014/07/?m=0 HydraRaptor: July 2014 My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. july https://hydraraptor.blogspot.com/2009/02/?m=0 HydraRaptor: February 2009 My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. february https://hydraraptor.blogspot.com/2009/01/new-year-new-extruder.html HydraRaptor: New year, new extruder? The RepRap design has always aimed to be cheap and easy to make from readily available materials. What I desire though is good performance a... new year extruder https://hydraraptor.blogspot.com/2018/06/avoiding-annoying-blogger-cookie.html HydraRaptor: Avoiding annoying Blogger cookie warnings Being warned by every web site that it uses cookies is very annoying. I don't see how it is useful because virtually every site uses cookies... avoiding annoying blogger cookie warnings https://hydraraptor.blogspot.com/2007/04/my-polymorph-has-morphed.html?m=1 HydraRaptor: My PolyMorph has morphed! I now have HydraRaptor controlled by a Python script running on my PC. I decided to test its circle drawing ability in preparation for usin... polymorph morphed https://hydraraptor.blogspot.com/2007/04/too-thick.html HydraRaptor: Too thick I decided to order the parts to make the extruder so that they could arrive while I was writing the firmware. The official RepRap design I a... thick https://hydraraptor.blogspot.com/2009/04/tapping.html HydraRaptor: Threading Khiraly asked me to explain how I manage to put a thread on stainless steel, so here goes. Aluminium and brass are fairly easy to thread, bu... threading https://hydraraptor.blogspot.com/2008/02/thermal-thoughts.html?m=1 HydraRaptor: Thermal thoughts I attached the wires of my new heater with some small crimps that I cut from connector pins like this:- to just leave the crimp part :- I al... thermal thoughts https://hydraraptor.blogspot.com/search?updated-max=2022-07-27T14:28:00-07:00&max-results=3&reverse-paginate=true HydraRaptor My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. https://hydraraptor.blogspot.com/2012/02/mendel90-finishing-touches.html?m=1 HydraRaptor: Mendel90 finishing touches I have tweaked a lot of things since building the prototype. The design is fully parametric meaning each part works out how big it should b... finishing touches https://hydraraptor.blogspot.com/2010/01/?m=0 HydraRaptor: January 2010 My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. january https://hydraraptor.blogspot.com/2009/02/three-times-better.html?m=0 HydraRaptor: Three times better I made a plastic mounting plate to allow me to test the new stainless steel extruder in my test rig. Here it is under test: - I felt that th... three times better https://hydraraptor.blogspot.com/2016/04/ HydraRaptor: April 2016 My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. april https://hydraraptor.blogspot.com/search?updated-max=2009-07-22T13:10:00-07:00&max-results=3&reverse-paginate=true&start=3&by-date=false&m=0 HydraRaptor My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. https://hydraraptor.blogspot.com/2009/07/8-z-axis.html?m=1 HydraRaptor: $8 Z-axis About a year ago I blogged an alternative Z-axis for Darwin using four tin can steppers instead of one expensive stepper and a belt drive. ... z axis https://hydraraptor.blogspot.com/search?updated-max=2022-07-27T22:28:00%2B01:00&max-results=3&start=2&by-date=false HydraRaptor My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. https://hydraraptor.blogspot.com/2010/08/freezing-your-bits-off.html HydraRaptor: Freezing your bits off Since I started cleaning my PET tape with acetone it can be hard to remove the parts from it sometimes. Somebody suggested trying freezer sp... freezing bits https://hydraraptor.blogspot.com/2012/04/abs-fudge.html HydraRaptor: ABS Fudge Many months ago I put some HIPS, ABS and PLA in a jar of limonene . The HIPS dissolved completely fairly quickly and the ABS and PLA were se... abs fudge https://hydraraptor.blogspot.com/search?updated-max=2012-07-27T07:25:00-07:00&max-results=3&reverse-paginate=true HydraRaptor My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. https://hydraraptor.blogspot.com/2007/10/extruder-dimensions.html HydraRaptor: Extruder dimensions I have been asked for dimensioned drawings of the extruder. I made these by manually inspecting the 3D models in ArtOfIllusion. It is not th... extruder dimensions https://hydraraptor.blogspot.com/2010/02/?m=0 HydraRaptor: February 2010 My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. february https://hydraraptor.blogspot.com/search?updated-max=2009-07-19T23:20:00%2B01:00&max-results=3 HydraRaptor My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. https://hydraraptor.blogspot.com/search?updated-max=2010-08-09T01:30:00%2B01:00&max-results=3 HydraRaptor My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. https://hydraraptor.blogspot.com/2013/10/mendel90-design-improvements.html HydraRaptor: Mendel90 design improvements I temporarily suspended kit production for a few weeks in order to have some time to make some improvements to the design. The following imp... design improvements https://hydraraptor.blogspot.com/search?updated-max=2014-03-11T21:29:00Z&max-results=3&m=0 HydraRaptor My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. https://hydraraptor.blogspot.com/search?updated-max=2020-12-12T10:32:00Z&max-results=3&reverse-paginate=true&start=3&by-date=false HydraRaptor My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. https://hydraraptor.blogspot.com/2007/11/?m=0 HydraRaptor: November 2007 My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. november https://hydraraptor.blogspot.com/2009/07/thoughts-on-rafts.html?m=1 HydraRaptor: Thoughts on rafts Erik asked me for details of how I do the rafts so here are my thoughts. I am not totally happy with the way they are currently and keep fi... thoughts on rafts https://hydraraptor.blogspot.com/2022/07/ HydraRaptor: July 2022 My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself. july https://hydraraptor.blogspot.com/2017/06/mooshimeter-mod.html HydraRaptor: Mooshimeter Mod Last year I bought a Mooshimeter wireless 2-channel multimeter. It is a multimeter front end that links to your mobile phone with Bluetooth... mod https://hydraraptor.blogspot.com/search?updated-max=2009-01-04T22:40:00Z&max-results=3&reverse-paginate=true&start=3&by-date=false&m=0 HydraRaptor My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself.