Search found 44 matches

by draw-tech
Tue May 03, 2016 7:37 pm
Forum: What are YOU making?
Topic: All Aluminum High Temp Bed
Replies: 6
Views: 1878

All Aluminum High Temp Bed

I am in process of building a solid aluminum bed, for higher temps and more controlled surface temperature, I will supply power from an external supply, to handle the current. It will have two sets of the standard heaters (8) per set and two thermistors. Does anybody have a procedure to connect the ...
by draw-tech
Thu Nov 26, 2015 12:26 pm
Forum: What are YOU making?
Topic: 40 mm Stand Alone Fan for My Smoothieboard
Replies: 2
Views: 731

40 mm Stand Alone Fan for My Smoothieboard

Hi All Setting up my test station to test the 300C hot end, using a Smoothieboard. i will be pushing the board using relays to power an all aluminum bed plate, It will have two zones controlled with two thermistors, each zone I estimate will draw about 14 A and about 85 watts. I.m starting out a lit...
by draw-tech
Mon Nov 23, 2015 2:27 pm
Forum: What are YOU making?
Topic: 300 C+ HOTEND
Replies: 34
Views: 13880

Re: 300 C+ HOTEND

Your work shows years of machining and CAD experience, very awesome. I am starting to think about an external power supply brick with a regular power supply rather than a nerfed PC power supply (says ATX right on the box). One thing I am learning over a long time is that 3D printing is not for the ...
by draw-tech
Sun Nov 22, 2015 12:29 pm
Forum: What are YOU making?
Topic: 300 C+ HOTEND
Replies: 34
Views: 13880

Re: 300 C+ HOTEND

Hi All
High_Temp_Hotend_Cutaway.jpg

Finally finished the parts for the hotend, now I am setting up a Smoothieboard to test this piece.

Jack
draw-tech
by draw-tech
Sun Nov 15, 2015 8:07 pm
Forum: What are YOU making?
Topic: All Metal Extruder
Replies: 28
Views: 4681

Re: All Metal Extruder

I tend to agree with bot, simple mods like bringing the filament closer to the drive gear for the flexible filaments can all be done to the EZStruder. Can someone explain what is gained with this metal extruder over the EZStruder? Hi Eaglezsoar My reason for the all metal extruder is to stop the fl...
by draw-tech
Sun Nov 15, 2015 7:01 pm
Forum: What are YOU making?
Topic: All Metal Extruder
Replies: 28
Views: 4681

Re: All Metal Extruder

Hi BTP Funny you should mention spring tension. I have been using my extruder and working great,______ Until i tried to print some T-glase, it started to slip. It did not take much movement of the spring to increase the pressure on the idler bearing. So I added a .05 thick disk under the spring, and...
by draw-tech
Sun Nov 08, 2015 6:33 pm
Forum: What are YOU making?
Topic: My Harley Knucklehead Design In Plastic
Replies: 3
Views: 997

Re: My Harley Knucklehead Design In Plastic

A very nice looking engine Jack. Doing it in plastic first is a great use of your printer. Hi Eaglezsoar Yea it fun, but it got me itchy to start machining the real one. I have well over a year in the design of that motor. If you log on to that site, m check out Stephens knucklehead build in work i...
by draw-tech
Fri Nov 06, 2015 6:56 pm
Forum: What are YOU making?
Topic: My Harley Knucklehead Design In Plastic
Replies: 3
Views: 997

My Harley Knucklehead Design In Plastic

Hi all I Designed this model engine a couple of years ago, This is about a 1/4 scale, working model, made totally from bar stock. Build.jpg I have started to machine the real motor, but decided to make it in plastic first. DSCN1557.JPG DSCN1559.JPG DSCN1562.JPG If any machinists out there, you may w...
by draw-tech
Tue Nov 03, 2015 6:50 am
Forum: What are YOU making?
Topic: All Metal Extruder
Replies: 28
Views: 4681

Re: All Metal Extruder

Hey BTP Looks great, looks like it may act as a good heat sink. Hey Neptune I am in process of pricing with my CNC shop, if I can produce them without loosing money I will. BY the way it works great, start the filament through the PTEF tube on the top, make contact with the hobbed gear, and crank aw...
by draw-tech
Tue Oct 27, 2015 4:37 pm
Forum: What are YOU making?
Topic: 300 C+ HOTEND
Replies: 34
Views: 13880

Re: 300 C+ HOTEND

Hi all
Finished major parts, now to make the rest of parts, and next the Test setup.
DSCN1540.JPG

DSCN1539.JPG

DSCN1541.JPG

Jack
by draw-tech
Sun Oct 25, 2015 7:45 pm
Forum: What are YOU making?
Topic: Settings Sheets for Mattercontrol
Replies: 2
Views: 541

Settings Sheets for Mattercontrol

Hi all
Here's a pdf file where you can write down special settings that you may have for your projects. I will try to put into
Excell, so info can be entered by your computer.

Jack
Draw-Tech
by draw-tech
Sun Oct 25, 2015 2:15 pm
Forum: What are YOU making?
Topic: 300 C+ HOTEND
Replies: 34
Views: 13880

Re: 300 C+ HOTEND

And heck, even the hotend of a makerbot replicator costs more than this would, even with the economies of scale makerbutt has, and can't do the temps this calls for. Admittedly, I went for an E3D hotend to get high temperatures, rather than making my own, because I liked what I saw, and didn't figu...
by draw-tech
Sat Oct 24, 2015 3:51 pm
Forum: What are YOU making?
Topic: 300 C+ HOTEND
Replies: 34
Views: 13880

Re: 300 C+ HOTEND

That is a good point. Going hotter would probably add to the transparency as well. It's by far the clearest material I've used, but maintaining as much optical clarity as you can will make keeping moisture out of the filament critical and depend on thickness and style and percentage of infill. The ...
by draw-tech
Sat Oct 24, 2015 8:29 am
Forum: What are YOU making?
Topic: 300 C+ HOTEND
Replies: 34
Views: 13880

Re: 300 C+ HOTEND

Hi IMBoring25
Is the print transparent or translucent ?
Jack
by draw-tech
Fri Oct 23, 2015 8:29 pm
Forum: What are YOU making?
Topic: 300 C+ HOTEND
Replies: 34
Views: 13880

Re: 300 C+ HOTEND

Kit level printers are fine if built for the purpose. I have made polycarbonate prints with my Mendel through an E3D v6. I'm running it a little cooler than you list there, so I haven't even had to go to a thermocouple yet. Even the RepRapPro quick set hot end should be capable at this point. Hi im...
by draw-tech
Mon Oct 19, 2015 10:16 pm
Forum: What are YOU making?
Topic: 300 C+ HOTEND
Replies: 34
Views: 13880

Re: 300 C+ HOTEND

Great potential. I like the way this group thinks. One thing to keep in mind most thermistors go up to 300°C. Beyond that you'll be switching to a thermocouple. I not sure what other changes that would entail but I'm sure someone on here is better versed in this area. Hi dryho Did some research on ...
by draw-tech
Sun Oct 18, 2015 2:14 pm
Forum: What are YOU making?
Topic: 300 C+ HOTEND
Replies: 34
Views: 13880

Re: 300 C+ HOTEND

Thanks Guys Had a bad feeling about Teflon due to the toxic fumes on over temperature, Has anybody tried high temp graphite, it will take temps to 426 C, I don't know if it will rub away from the filament. People I guess need this temp for the new flex material. High Temperature Conductive Graphite ...
by draw-tech
Sun Oct 18, 2015 11:33 am
Forum: What are YOU making?
Topic: 300 C+ HOTEND
Replies: 34
Views: 13880

300 C+ HOTEND

Hi all Started on a hotend that can go over 300 c, I have got a Smoothieboard, and in process of setting up a head assembly to see what this will take. I have a 40mm fan, and have built in louvers to help to direct the cooling of ceramic, and aluminum holder, (upper hotend piece), and a deflector to...
by draw-tech
Thu Oct 15, 2015 9:06 pm
Forum: What are YOU making?
Topic: All Metal Extruder
Replies: 28
Views: 4681

Re: All Metal Extruder

Hi All Haven't used any flex material yet, mostly print with ABS. This extruder is set for 1.75 mm filament, but could be made to accept 3.0 mm. As for the hot end, working on it, (close) If any of you guys want the drawings, dope me a PM, I'll work up a package of pdf files. By the way it works! Wh...
by draw-tech
Thu Oct 15, 2015 8:28 am
Forum: What are YOU making?
Topic: All Metal Extruder
Replies: 28
Views: 4681

Re: All Metal Extruder

DSCN1444.JPG DSCN1393.JPG Hi all I did have a lot of problems with the extruder, bearing twisting against the filament, causing the filament to hit the edge of the hobbed gear, eating away at the filament plugging the gear to failure. This is my version. an all metal extruder. I to added a piece of...
by draw-tech
Sat Sep 26, 2015 12:49 pm
Forum: What are YOU making?
Topic: My Version of Hotend Assembly
Replies: 11
Views: 1921

Re: My Version of Hotend Assembly

Thanks egalezsoar
It helps to have a machine shop in your garage, and about 60 years in the design & fabrication business. Using it for the first
time today. Works great. The temp on the extruder hobbed gear about 35 C while the screws in the aluminum about 28 C.
Jack
draw-tech
by draw-tech
Sat Sep 19, 2015 12:37 pm
Forum: What are YOU making?
Topic: My Version of Hotend Assembly
Replies: 11
Views: 1921

Re: My Version of Hotend Assembly

Hey All Thanks for the response. I did intend to use the highest melt temp. Where did you get the cartridges Eric ? I also aluminumized the extruder. with heat sinks to. Jack draw-tech Nice design on the extruder. Is that a single piece of PTFE tube from PTC past hob and into lever? What did you do...
by draw-tech
Sat Sep 19, 2015 8:02 am
Forum: What are YOU making?
Topic: My Version of Hotend Assembly
Replies: 11
Views: 1921

Re: My Version of Hotend Assembly

Hey All
Thanks for the response. I did intend to use the highest melt temp. Where did you get the cartridges Eric ?
I also aluminumized the extruder. with heat sinks to.
Jack
draw-tech
by draw-tech
Mon Sep 14, 2015 5:02 pm
Forum: What are YOU making?
Topic: My Version of Hotend Assembly
Replies: 11
Views: 1921

My Version of Hotend Assembly

This is my version of a quick removal hotend, for repairs. Heaters are soldered into brass bus bars, and connected at top with set screw clamps. Two fans,tricklaser, and thermistor,have connectors, Bus bars are covered with Teflon tubing and silicone in place after soldering. Hotend all aluminum, to...
by draw-tech
Wed Aug 05, 2015 7:45 pm
Forum: Rostock MAX v2
Topic: stepper motors are super hot!
Replies: 50
Views: 15955

Re: stepper motors are super hot!

Hi dajay23D Still running at below 39C no fan just tie warped to the motor, front and rear. I also noticed the red lever deflecting, maybe make one of aluminum, may help to cool the bearing. I have noticed that the hobbed gear runs only about 3 degrees C lower than the rear or front of the motor. Ta...

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