Re: Folger Tech 2020 i3 Printer Kit (Official Thread) November 27, 2015 10:12AM |
Registered: 8 years ago Posts: 59 |
Yelloow-Snow I might just buy the FT Cloner kit. I have mods planned that will significantly add to the weight of my i3 build surface. If anyone has ideas for a conversion I'd love to hear them too.Quote
Yelloow-Snow
I'm thinking about converting my printer into a CoreXY
[www.mcmaster.com]
Who wants to go first? therippa? animoose? haha
[www.google.com]
Unlimited weight on the X axis!
Re: Folger Tech 2020 i3 Printer Kit (Official Thread) November 27, 2015 10:37AM |
Registered: 8 years ago Posts: 80 |
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tjnamtiw
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elkayem
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sethmo
Elkayem that is pretty impressive. What mods have you done?
I've added an E3D lite6 hotend, and a full graphic LCD.
I also added a beefier X stepper motor, but I doubt that has made a bit of difference. A few weeks back, I thought my extruder was missing steps so I ordered a better stepper. Since then, I discovered it was a loose set screw, but not before I received the stepper. I put the new stepper on the X axis since the old one was running a bit hot.
Anyway, I'll bet you can get similar quality going 100% stock parts. The hotend was an inexpensive upgrade, and was added only to convince myself I was getting the most out of my printer.
With the E3D mounted on the X carriage, IF you still have the FT drive but just a new mounting block, how much lower does it extend than the stock hot end? I'm just wondering how much Z distance you lose.
Re: Folger Tech 2020 i3 Printer Kit (Official Thread) November 27, 2015 10:55AM |
Registered: 8 years ago Posts: 80 |
Re: Folger Tech 2020 i3 Printer Kit (Official Thread) November 27, 2015 11:10AM |
Registered: 8 years ago Posts: 80 |
Re: Folger Tech 2020 i3 Printer Kit (Official Thread) November 27, 2015 11:40AM |
Registered: 8 years ago Posts: 268 |
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sonnylowe
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therippa
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sonnylowe
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therippa
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sonnylowe
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therippa
sonny - would you mind sharing the STL's? I think I'm going to get started on the y-axis thing soon.
Not at all...here ya go Y-Carriage STL Files (let me know if this link works!?!?)
FYI: I haven't tried V-4 of the endstop yet...but if it doesn't work I'm sure you can come with something quickly, or let me know how to adjust and I'll be happy to...
If you going to buy the OB parts do it tomorrow, they have a 10-25% off sale...
BOM
(1) V-Slot Gantry Set Plate: 20mm - 80mm (Universal) Wheel: Delrin Solid V Wheels (look at the bundles)
(1) V-Slot™ Linear Rail Size: 20mm x 80mm Length: 500mm Color: Silver
(1) Precision Shim - 10x5x1mm (for idle pulley bearings)
(2) 5x13x4 (FLANGED) Metal Shielded Bearing F695-ZZ
(1) 20 GT2 20 tooth Pulley
(1.5M) GT2 Timing Belt
Misc: screws, tie raps, etc...
You can either buy more or use the 5mm T-Nut from the SK8s...the short screw that FT sent are the perfect length to mount it with the brackets I used.
BTW: I had an epiphany yesterday concerning the Lead Screws (LS) for Y or X axis...I am constantly moving the hotend carriage or bed manually (printer on or off), you cannot do that if you run the LSs, that in itself is enough for me not to do it...
Awesome, thanks for the files!
Also, did you see open builds is having a pretty good black friday/cyber monday sale? 25% most stuff.Yes, you did see that as well
You're welcome!!
If you haven't placed your order with OB yet, I'd suggest enough SLOT COVER to close off all the top of the rail...I'm finding a lot of little bits get stuck in there...
I placed an order for your BOM, plus an extra grantry kit (and needed pulleys, shims, etc), for the inevitable x-carraige rework. Let me know what you have going on with the x-carriage, or I might be tempted to make my own
Two things:
1 - I had to rework the Endstop Mount...see V-5 in the folder. (printing it as we type...results to follow).
2 - I get my parts today so I'll be assembling the X-carriage this weekend. However, if you want to take a swag at it please go for it....sometimes, two heads are better than on ;-)
BTW: the last "CAD" photo in the Y-carriage folder shows the latest design of the X-Carriage
Re: Folger Tech 2020 i3 Printer Kit (Official Thread) November 27, 2015 04:16PM |
Registered: 8 years ago Posts: 59 |
Elkayem I will be working on these standoffs tomorrow. I believe the additional z space you get is equal to the height of the standoffs and utlizes the full length of the stock threaded rod. Not exactly sure what you are referring to regarding the acrylic mounts.Quote
elkayem
Speaking of Z-axis distance... The one thing that really bugs me about this printer is the limited Z axis range. I can get up to about 140 mm, with a bunch of wasted space up on top. The big problem is that the distance between the holes for the M5 threaded rod and M8 smooth rods on the X-end printed mounts do not quite match the hole spacing on the acrylic mounts underneath the Z-axis motors. This mismatch becomes a problem as the X-carriage gets closer to the Z-axis motors.
I see that some people have worked around this with Z-axis motor standoffs. I haven't done this yet, but am curious how much space this allows you to recover.
It seems another solution would be to fix the hole spacing on the X-end parts or the acrylic mount. Has anyone tried this? Are there other X-end parts with better spacing? I'm tempted to print out the parts directly from Josef Prusa's site and try those.
Of course yet another solution would be to simply use longer 2020 aluminum parts and longer M8 smooth rods! With that setup, the sky's the limit.
Re: Folger Tech 2020 i3 Printer Kit (Official Thread) November 27, 2015 04:41PM |
Registered: 8 years ago Posts: 80 |
Re: Folger Tech 2020 i3 Printer Kit (Official Thread) November 27, 2015 04:53PM |
Registered: 8 years ago Posts: 80 |
Re: Folger Tech 2020 i3 Printer Kit (Official Thread) November 27, 2015 05:10PM |
Registered: 8 years ago Posts: 80 |
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Putzer
elkayem
A way to look at it. The rods you refer to at Banggood has a 2mm pitch (2mm travel for one revolution. Common stepper motors have 1.8 degree per step meaning 200 steps per revolution. 200 into 2mm gives you .01 mm per step.
Re: Folger Tech 2020 i3 Printer Kit (Official Thread) November 27, 2015 05:25PM |
Registered: 8 years ago Posts: 80 |
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In general, FFF/FDM printers use relatively infrequent, small, precise movements on the z-axis and consistent, fast movements on the x and y axes. A single start leadscrew with the tightest pitch possible (highest thread density, smallest pitch) is generally going to be your best bet for the z-axis, while you may or may not need something a little steeper to get the speeds you'd like from your x and y axes. While this may seem somewhat arbitrary given the precision of movement you can get from a stepper motor, an important factor to remember here is torque.
A more aggressive leadscrew will require more torque to drive. We have one kit printer we bought a couple years ago that has an overly aggressive multi-start leadscrew for the z-axis. The small motors included in the kit do not have the torque required to reliably start upward movement of the carriage, leaving it sitting there skipping steps until the carriage is given a little upward nudge to get it going (no, it's not a lubrication issue or a driver that needs turning up).
Re: Folger Tech 2020 i3 Printer Kit (Official Thread) November 27, 2015 05:30PM |
Registered: 8 years ago Posts: 80 |
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LancelotL
Also I have the same question as you about the lead screws. Only thing I can figure is that backlash may be reduced in the lead screws.
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Threaded rod is not good, however, for precision. Because of the rough finish, the poor tolerances, potential slop between the rod and the nut, and other potential issues either in the rod itself or a printer design that utilizes the rods, you never know that each step on your motors is going to move your tool head by the precise distance you thought it would. The standard pitches on threaded rod are generally tight enough to make the accuracy high enough that the loss of precision may be acceptable, but for truly exceptional prints you'll likely find this to be a limitation.
Re: Folger Tech 2020 i3 Printer Kit (Official Thread) November 27, 2015 08:43PM |
Registered: 8 years ago Posts: 80 |
Re: Folger Tech 2020 i3 Printer Kit (Official Thread) November 27, 2015 09:57PM |
Registered: 8 years ago Posts: 80 |
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Putzer
elkayem
The picture is wrong. I have the same 8m from Banggood with 2mm pitch. Nothing like the picture shone. They only move 2mm per rev, not 8mm.
Re: Folger Tech 2020 i3 Printer Kit (Official Thread) November 27, 2015 11:03PM |
Registered: 8 years ago Posts: 541 |
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elkayem
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tjnamtiw
With the E3D mounted on the X carriage, IF you still have the FT drive but just a new mounting block, how much lower does it extend than the stock hot end? I'm just wondering how much Z distance you lose.
Thanks!
tjnamtiw,
As others have suggested, use animoose's suggestion to mount the stepper motor by the bottom two holes instead of the top, and you regain all the Z distance you lose.
Mounting was a cinch thanks to animoose's design: http://www.thingiverse.com/thing:1091103. He has several different designs based on the extruder FolgerTech sent you. They sent me the MK9, so I used the one from the link above (uploaded Oct 24). The E3D lite6 is nice. It has the feel of a quality, well designed part. I can't say how much a difference it makes on the prints, as I didn't spend too much time with the old one. But I figured that was one area where a small investment could pay off.
Here's a picture. Hope this helps:
[attachment 66680 Extruder.jpg]
Re: Folger Tech 2020 i3 Printer Kit (Official Thread) November 27, 2015 11:48PM |
Registered: 8 years ago Posts: 430 |
Re: Folger Tech 2020 i3 Printer Kit (Official Thread) November 27, 2015 11:53PM |
Registered: 8 years ago Posts: 367 |
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msaeger
Any E3D other upgraders extruder motor getting really hot? Mine is getting probably hotter than it should and was starting to skip steps after printing 30 minutes. I tweaked the driver and now was able to run a 6 hour print but the motor still gets pretty hot. I am thinking part of the problem may be with the stock hot end there was the fan blowing on the extruder and now with the E3D the fan is below the extruder. I am thinking about putting a fan blowing on the motor but I don't really want the added noise.
Re: Folger Tech 2020 i3 Printer Kit (Official Thread) November 28, 2015 12:43AM |
Registered: 8 years ago Posts: 3 |
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animoose
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msaeger
Any E3D other upgraders extruder motor getting really hot? Mine is getting probably hotter than it should and was starting to skip steps after printing 30 minutes. I tweaked the driver and now was able to run a 6 hour print but the motor still gets pretty hot. I am thinking part of the problem may be with the stock hot end there was the fan blowing on the extruder and now with the E3D the fan is below the extruder. I am thinking about putting a fan blowing on the motor but I don't really want the added noise.
I've not noticed any problems with this - it may be a little hot but not enough to skip any steps. The longest print I've done with it was probably about 2.5 hours, maybe 3.
Re: Folger Tech 2020 i3 Printer Kit (Official Thread) November 28, 2015 08:47AM |
Registered: 8 years ago Posts: 268 |
Re: Folger Tech 2020 i3 Printer Kit (Official Thread) November 28, 2015 08:47AM |
Registered: 8 years ago Posts: 268 |
Re: Folger Tech 2020 i3 Printer Kit (Official Thread) November 28, 2015 09:17AM |
Registered: 8 years ago Posts: 430 |
Re: Folger Tech 2020 i3 Printer Kit (Official Thread) November 28, 2015 10:49AM |
Registered: 8 years ago Posts: 541 |
Re: Folger Tech 2020 i3 Printer Kit (Official Thread) November 28, 2015 11:37AM |
Registered: 8 years ago Posts: 268 |
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tjnamtiw
Beautiful!!!
Re: Folger Tech 2020 i3 Printer Kit (Official Thread) November 28, 2015 07:30PM |
Registered: 8 years ago Posts: 38 |
Re: Folger Tech 2020 i3 Printer Kit (Official Thread) November 28, 2015 08:50PM |
Registered: 8 years ago Posts: 3 |
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watlooazn
Hey guys, I dont have a multimeter but want to know which contacts to put the power cable wires in. I have green, black white. Im assuming the black and white (hot and neutral) go into contacts 8 and 9 while green (ground) goes into 7.
Re: Folger Tech 2020 i3 Printer Kit (Official Thread) November 29, 2015 07:10PM |
Registered: 8 years ago Posts: 38 |
Re: Folger Tech 2020 i3 Printer Kit (Official Thread) November 29, 2015 07:17PM |
Registered: 8 years ago Posts: 276 |
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watlooazn
Need help with clarifying how to attach the extruder's fan's wire
According to the picture I attached, I should be using 1 meter of 22 gauge wire. But Ive only had 16 gauge wire that ive been using so far. I cant find any 22 gauge in my kit.
1) Was the 22 gauge a typo? Can I just use the 16 gauge?
2) Is it necessary to use 1 meter or just enough for it to reach from the extruder's fan to the power supply/ramps board
Re: Folger Tech 2020 i3 Printer Kit (Official Thread) November 29, 2015 08:27PM |
Registered: 9 years ago Posts: 40 |
Re: Folger Tech 2020 i3 Printer Kit (Official Thread) November 29, 2015 08:31PM |
Registered: 8 years ago Posts: 367 |
Re: Folger Tech 2020 i3 Printer Kit (Official Thread) November 29, 2015 08:39PM |
Registered: 9 years ago Posts: 40 |
Re: Folger Tech 2020 i3 Printer Kit (Official Thread) November 29, 2015 08:56PM |
Registered: 8 years ago Posts: 268 |
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sethmo
So I have had surprisingly good luck with the stock hot end and MK9 extruder. I have an E3DV6 from another printer that I wanted to try so I printed elkayem's mount and it printed PLA just fine, then I tried some Ninjaflex and the MK9 extruder does not like it. Does anyone know of a direct drive extruder with E3DV6 mount that works with flexible filament? I already have an MK8 extruder gear and also an Ultibots gear.
Large wheel for our FTC robotics club.
E3D setup with dual print fans