I had a similar problem all be it with ABS. First thing I would do is remove the nozzle and see if you can push filament by hand through a cold extruder. It should be free with little friction. This will rule out any restrictions in your setup. Next, take the nozzle off and gently heat it with a small blow torch till the plastic is just melted. Then, holding a drill bit in your fingers (the biby d3delta3d - Delta Machines
Quotejaguarking11 I am also enclosing my delta. The main thing is to try to keep as many plastic parts out of the printer. Do not use PLA printed parts inside the enclosure. I tested ABS with 80c water and it did not warp or soften. I also am putting in a 150w air heater to set the chamber to the desired temp, between 50-70c is the goal. I am going to use sheet aluminum with cork insulation on thby d3delta3d - Delta Machines
My Delta is nearly finished and will also be enclosed. I will probably go down the polycarbonate sheet route. The great part with polycarbonate is you can either cold bend it in a sheet metal folder or lay down 2 pieces of wood leaving a small gap between them where the fold will be, heat the exposed area between the wood planks with a heat gun until soft then bend the polycarbonate to the deby d3delta3d - Delta Machines
Did you write any start gcode in your slicer program ? Code something like this: G21 ;metric values G90 ;absolute positioning M82 ;set extruder to absolute mode M109 T0 S240 ;heat extruder and wait till it reaches 240Âșc M106 ;start with the fan on G28 X0 Y0 ;move X/Y to min endstopsby d3delta3d - Delta Machines
Are the timing pulleys on your steppers drilled dead center of do you notice wobble when running? Also are all 3 belts tensioned the same?by d3delta3d - Printing
I used a mulitimeter with a type K probe to check my temperature. The probe end is only about 0.5mm diameter. I also put heat transfer paste in the testing hole to ensure good thermal conductivity from the heat block to the probe.by d3delta3d - Delta Machines
Hi . My post was a little unclear. Some firmware will have the most popular thermistor types programmed into the them like EPCOS100K or HONNEYWELL100K and luckily mine did. These will load in the Beta Value(K) of the thermocouple automatically. Because I purchased a unbranded Thermistor the company selling it included the beta Value (K) value in the description which for mine was 3974. Thisby d3delta3d - Delta Machines
What I found useful when fault finding my extruder was to try and manually push filament though the length of the Bowden tube and hot end. I did it first with the nozzle removed to eliminate any tight spots or restrictions then installed to nozzle back to the heater block and tried again. Initially I found I could barely push any filament through and found there was solid plastic in the melt cby d3delta3d - Delta Machines
QuotePaul Wanamaker Concerning a filament out sensor as discussed above: This is now easily doable. I've just upgraded to a Smoothieboard, and there is a feature for this, and also a pause/resume button, if you want to switch filament. It can move the print head out of the way, retract the filament, etc (whatever g-codes you tell it to do). It can then resume where it left off. I've not doneby d3delta3d - Reprappers
My vote is for a smoothieboard also given how easy it was to set up without any of the frustrations. Granted though it does cost more than a basic Auduino based controler but who wants to spend weeks trying to get the firmware to work with your particular buildby d3delta3d - Delta Machines
Here's is a quick video drawing at 150mm/s after some basic setting up. Still need to build the extruder which is on today's job list but very happy with the performance. If it prints this fast with abs it will be fantastic. Smoothieboard has made my life so easy. Still lots to do but as long as the build is moving forward will be smiling. Thanks for lookingby d3delta3d - Delta Machines
Nice one, such a satisfying feeling when it all comes togetherby d3delta3d - Delta Machines
Easy was an understatement. Plug int eh motors and max endstops, load the windows driver, plug in the smoothieboard, open the config file with notpad and change the arm_length, arm_radius, motor max amps and it's ready to check the homing in Pronterface and reverse the motor directions if wrong. Then a quick z calibration using gcode script in Proterface and your away. I'm going to uploadby d3delta3d - Delta Machines
Wired up the Smoothieboard X5 today and have it air printing and flying (speed wise). No problems at all with flex in the frame or movement in the magnetic ball joints. Still need to build the extruder and heater bed to get a true indication but seeing the printer whizzing back and forth was very satisfying. Must say it is a very easy board to use and change firmware settings so has met all myby d3delta3d - Delta Machines
.stl is fine in my UP slicing program also with no errors.by d3delta3d - 3D Design tools
Got to love holidays. Have nearly finished the builing stage bar the electronics and extruder. The Smoothieboard has left Europe and will hopefully arrive in the next week. Here's a couple more photo's. She stands about 1100mm highby d3delta3d - Delta Machines
QuoteMrBazComparatively, the linear rails are the most expensive way to go. The cheapest I found was an overstock place that, surprise!, no longer has stock. Next cheapest is AliExpress. I wanted something that would add rigidity to the frame, still be extremely accurate, not as loud as rod bearings, and simple easy on the maintenance. I guess the expense was justified to me. It kept designby d3delta3d - Delta Machines
Nice design but as you say the hiwin bearings are expensive. In my build the intitial design was with 15mm hiwin's as I use there products lots in automation projects and they work extremely well but after costing everything converted over to twin 12mm hardened chrome rods per upright and LM12LUU bearings. Maybe my next printer will use the hiwins but that will depend on finding a cheaper sourby d3delta3d - Delta Machines
Thank Ross Had the day off work so managed to put some time into the printer and got the unit assembled, motors fitted and carriages mounted with the help of my 8 year old daughter. Tomorrow all going well we will fit the belts then add the build pictures into the build blog. Bit tired now to do all that. Here's a picture next to my Up Mini. She is a lot bigger in person than I pictured inby d3delta3d - Delta Machines
Paul, given you have a heated chamber and are using electrical energy to heat the chamber are you recirculating the srubbed chamber air so the heat is not lost? This would ensure the temp inside the chamber did not fluctuate during printing. This being said the door and sides would have to be sealed as a negative pressure would not be created in the chamber unless a small portion of air is alwaby d3delta3d - Safety & Best Practices
After much reading and deliberation I ordered a Soothieboard 5XC, the LCD to suit (but will have to wait for the V2 shield to arrive) and voltage regulator today so hopefully that little package will arrive in the new year. Also picked up the floor, roof and bed plate from the laser cutter so at least the frame and mechanical side of things can get started. The plan was to cut the plates by haby d3delta3d - Delta Machines
Well I've been busy printing out more parts but thought today I would desing an all copper heat block as seen in the render below. It will use a 40w heater and has provision for dual bulb ntc thermistors so one can be used for overtemp shutdown for added safety. The block is made from 25mm diameter copper bar, 10mm thick. I have a 1m of bar left over from when I made mountain bike lights and uby d3delta3d - Delta Machines
Quoteshadowphile I just which it was PTFE all the way to the brass nozzle, then probably no issue. . You can drill out the stainless bolt more if you wish allowing the ptfe tube go all the way to the heater block. This is what I have done with the custom all alloy hotend I designed which in theory means no binding in the hotendby d3delta3d - Delta Machines
So nearly all of my parts have arrived so I should be able to start building soon. I must say I am a little nervous given the drama's some people have with setting up delta's but but hpoefully being able to punch in cad data for the measurement will help a lot. build list so far is: - 30x30 alluminium extrusion for the uprights - 12mm linear rod for the guides secured by SHF12 supports at eaby d3delta3d - Delta Machines
My girls are 12 and 8 and my 12 year old has been doing some C programming with me and loving it. We chose the Aruduino starter kits but also have a robot that we are playing with as well. Not sure if it is a doing stuff with Dad thing that is keeping the interest but just seeing 3 led's blinking causes her plenty of excitement. Once all the parts for my delta printer are in hand I am sure Iby d3delta3d - General
Check out Festo Fluidic Muscles as well. I used them when trialling hign speed cutting blade oscilation and gripping functions. They also had a robot at a trade show I went to using them as muscle replacements. Essentially when pressurised with compressed air the unit contracts shortenning the strokeby d3delta3d - Let's design something! (I've got an idea ...)
I have been looking at the same thing for a dual or tripple colour system.. The main idea is that if doen correctly you should be able to pause as a specific layer, change the nozzle, then start printing again in the new colour without affecting the nozzle position. The only code changes required are the pause print, an output signal for the head change and possibly an input to say the head isby d3delta3d - Let's design something! (I've got an idea ...)
QuotePaul Wanamaker Looks good. I have a similar effector setup, using 12mm carbon fiber rods and high temp neodymium magnets because of a heated build chamber. I recommend getting the strongest magnets you can to start with, or under high accelerations they can disconnect. Having a very light effector will help with that. I plan on lightening mine up, and doubling the magnets in the rods (thby d3delta3d - Delta Machines
Thought I would show the printed and assebled hot end and efector. Weight wise it comes in at 135 grams. Still need to attach the heat block and nozzle though This is the printed carriage with the open ended belt attached. The blue bits in the blet loops is 1.75mm filament. Rock solid with no belt movement when the ends are tugged on. The idea of this design was to have the belts pull froby d3delta3d - Delta Machines
Autodesk Inventor product design suite 2015 for me. Use it for automation and 3D printing so gets plenty of use.by d3delta3d - 3D Design tools