Re: Folger Prusa i3 Kit from ebay December 16, 2014 03:03AM |
Registered: 9 years ago Posts: 6 |
Re: Folger Prusa i3 Kit from ebay December 16, 2014 03:19AM |
Registered: 9 years ago Posts: 110 |
Quote
mickey
OK set the vref and all seems ok but I have a few problems,
It seems that my heated bed cant really reach to 110c for ABS printing. I replaced the cable to more thick one(and it helped a bit now I can reach 90c but still take an hour).
I check the solder points and they seem fine also I have the folder kit PSU from folger.
is there a chance that the bed temp reading are far from the truth and I am reaching 110c? (I don't have a way to measure temp).
also when I start printing there is the first step that mark the outer limits of the print and then its print the first layer of the actual print , the extroder extrud only in the middle of the first layer. what do I need to change/play with in marlin/slice3 in order to fix it?
Re: Folger Prusa i3 Kit from ebay December 16, 2014 08:40AM |
Registered: 9 years ago Posts: 59 |
Re: Folger Prusa i3 Kit from ebay December 16, 2014 10:54AM |
Registered: 9 years ago Posts: 26 |
Quote
HairLikeFrodo
I've been thinking about buying this kit but was worried about the print quality. Would you guys mind showing off your prints from this machine? I'm curious to see the difference from person to person. I've already looked at all the past photos.
Re: Folger Prusa i3 Kit from ebay December 16, 2014 11:34AM |
Registered: 9 years ago Posts: 7 |
Re: Folger Prusa i3 Kit from ebay December 16, 2014 04:58PM |
Registered: 9 years ago Posts: 26 |
Quote
mickey
OK set the vref and all seems ok but I have a few problems,
It seems that my heated bed cant really reach to 110c for ABS printing. I replaced the cable to more thick one(and it helped a bit now I can reach 90c but still take an hour).
I check the solder points and they seem fine also I have the folder kit PSU from folger.
is there a chance that the bed temp reading are far from the truth and I am reaching 110c? (I don't have a way to measure temp).
also when I start printing there is the first step that mark the outer limits of the print and then its print the first layer of the actual print , the extroder extrud only in the middle of the first layer. what do I need to change/play with in marlin/slice3 in order to fix it?
Re: Folger Prusa i3 Kit from ebay December 16, 2014 09:04PM |
Registered: 9 years ago Posts: 25 |
Re: Folger Prusa i3 Kit from ebay December 17, 2014 12:30AM |
Registered: 9 years ago Posts: 5 |
Re: Folger Prusa i3 Kit from ebay December 17, 2014 02:08AM |
Registered: 9 years ago Posts: 61 |
Re: Folger Prusa i3 Kit from ebay December 17, 2014 02:53AM |
Registered: 9 years ago Posts: 13 |
Re: Folger Prusa i3 Kit from ebay December 17, 2014 08:34AM |
Registered: 9 years ago Posts: 7 |
Re: Folger Prusa i3 Kit from ebay December 17, 2014 10:09AM |
Registered: 9 years ago Posts: 6 |
Quote
KeyserSoze3d
Quote
mickey
OK set the vref and all seems ok but I have a few problems,
It seems that my heated bed cant really reach to 110c for ABS printing. I replaced the cable to more thick one(and it helped a bit now I can reach 90c but still take an hour).
I check the solder points and they seem fine also I have the folder kit PSU from folger.
is there a chance that the bed temp reading are far from the truth and I am reaching 110c? (I don't have a way to measure temp).
also when I start printing there is the first step that mark the outer limits of the print and then its print the first layer of the actual print , the extroder extrud only in the middle of the first layer. what do I need to change/play with in marlin/slice3 in order to fix it?
Did you solder your bed correctly. Make sure to solder your negative lead to both 2 and 3. I had the same problem it took hours to get up to 90 degrees. I changed my soldering, now it gets up to temp in less than 5 minutes. I don't have any insulation just glass on top of the heat bed. I also use 14 ga wire.
Re: Folger Prusa i3 Kit from ebay December 17, 2014 11:26AM |
Registered: 9 years ago Posts: 110 |
Quote
mickey
Quote
KeyserSoze3d
Quote
mickey
OK set the vref and all seems ok but I have a few problems,
It seems that my heated bed cant really reach to 110c for ABS printing. I replaced the cable to more thick one(and it helped a bit now I can reach 90c but still take an hour).
I check the solder points and they seem fine also I have the folder kit PSU from folger.
is there a chance that the bed temp reading are far from the truth and I am reaching 110c? (I don't have a way to measure temp).
also when I start printing there is the first step that mark the outer limits of the print and then its print the first layer of the actual print , the extroder extrud only in the middle of the first layer. what do I need to change/play with in marlin/slice3 in order to fix it?
Did you solder your bed correctly. Make sure to solder your negative lead to both 2 and 3. I had the same problem it took hours to get up to 90 degrees. I changed my soldering, now it gets up to temp in less than 5 minutes. I don't have any insulation just glass on top of the heat bed. I also use 14 ga wire.
OK so I sorted out the bed heating issue, turn out that it was bad solder points(big cold solder point),isolation,and wire thickness.
other issue I cant figure out is that my prints are still not quit good, but I understand this all about playing with settings to finally get the prints to be good.
the settings that I know to be relevant in the firmware(I use the configuration.h file that was posted earlier in this thread ) are :
DEFAULT_AXIS_STEPS_PER_UNIT {79.7, 80.3, 4030, 90}
is there another settings in the firmware that can help make the prints more accurate?
also can someone with reasonable printings publish his slice3 settings to have a reference start in this area?
and one last thing, if I make a spacer that turn out ellipse rather than round , with what do I need to play to fix it? is it an issue with the build itself rather than settings?
#define DEFAULT_AXIS_STEPS_PER_UNIT {80.45, 80.56, 3993.89, 101}
Re: Folger Prusa i3 Kit from ebay December 17, 2014 11:53AM |
Registered: 9 years ago Posts: 110 |
Re: Folger Prusa i3 Kit from ebay December 17, 2014 02:10PM |
Registered: 9 years ago Posts: 18 |
Re: Folger Prusa i3 Kit from ebay December 17, 2014 03:01PM |
Registered: 9 years ago Posts: 208 |
Re: Folger Prusa i3 Kit from ebay December 17, 2014 05:34PM |
Registered: 9 years ago Posts: 23 |
Re: Folger Prusa i3 Kit from ebay December 17, 2014 10:17PM |
Registered: 9 years ago Posts: 208 |
Re: Folger Prusa i3 Kit from ebay December 17, 2014 11:23PM |
Registered: 9 years ago Posts: 61 |
Re: Folger Prusa i3 Kit from ebay December 18, 2014 12:24AM |
Registered: 9 years ago Posts: 133 |
Quote
Drozes
Hi everyone,
First time posting but been reading this forum religiously over the last week.
I build my Folger kit over 2-3 nights and spent maybe 2 hours figuring out for the configurations that worked for me.
This thread has been great and wanted to thank all the main active people (You know who you are!) who have contributed - this has really helped my build be successful. Thank you!
Still have to fine tune my prints but at the moment - things work pretty nicely. Can set up a print and leave it!
Last Issue I have is: I'm still trying to figure out my Hot Extruder Motor issue - I really think I just need a fan - I don't think my vref can go any lower without causing flow issue.
Don't have a meter to check the actully values - been going my eye at the moment.
Here's is a time lapse of a test print.
[www.youtube.com]
Using painter tape for now - works great and lets you drag a bit if you happen to.
Notes (which can be found through this thread) that were my main pain points:
- The thermistor for the heatbed is built in! Posted by ColdFront [forums.reprap.org]
- Y Endstop - is a b$#ch - no matter how you look at it. figure out a way to make it work Or manually trigger it when you home it and print yourself a better piece (Waltermixx posted a link to a good one). I put mine on the front - on the guide bar and tilted it so it goes under the bed but is hit but the frame when it comes forward. I loose about 20mm of print area.
- Configuration. If you home position is back left - you are set. If not - (My home is front right) I used the MAX end stop ports on the RAMPS board for both the x and y. Than I set the configuration to
#define X_HOME_DIR 1
#define Y_HOME_DIR 1
#define Z_HOME_DIR -1
- Other important configuration - if you axis are moving in reverse.
#define INVERT_X_DIR true // for Mendel set to false, for Orca set to true
#define INVERT_Y_DIR false // for Mendel set to true, for Orca set to false
#define INVERT_Z_DIR false // for Mendel set to false, for Orca set to true
#define INVERT_E0_DIR false // for direct drive extruder v9 set to true, for geared extruder set to false
#define INVERT_E1_DIR false // for direct drive extruder v9 set to true, for geared extruder set to false
#define INVERT_E2_DIR false
#define min_software_endstops false //If true, axis won't move to coordinates less than HOME_POS.
#define max_software_endstops true //If true, axis won't move to coordinates greater than the defined lengths below.
-Quick test - I set these values to around 20 - and once my endstops were hit - i made sure I could not go pass my endstop or more then 20 in the other direction.
// Travel limits after homing
#define X_MAX_POS 200
#define X_MIN_POS 0
#define Y_MAX_POS 200
#define Y_MIN_POS 0
#define Z_MAX_POS 185
#define Z_MIN_POS 0
- If you can not move your axis in one direction - this is because you MUST home your axis before you can move freely.
Anyhow - Will post any extruder motor fixes I find - thinking a fan on it would fix it.... Please send any links if you know the fix.
Re: Folger Prusa i3 Kit from ebay December 18, 2014 09:08AM |
Registered: 9 years ago Posts: 7 |
Re: Folger Prusa i3 Kit from ebay December 18, 2014 11:57AM |
Registered: 9 years ago Posts: 18 |
Re: Folger Prusa i3 Kit from ebay December 18, 2014 01:30PM |
Registered: 9 years ago Posts: 10 |
Re: Folger Prusa i3 Kit from ebay December 18, 2014 03:16PM |
Registered: 9 years ago Posts: 10 |
Re: Folger Prusa i3 Kit from ebay December 18, 2014 04:48PM |
Registered: 9 years ago Posts: 10 |
Re: Folger Prusa i3 Kit from ebay December 18, 2014 07:03PM |
Registered: 9 years ago Posts: 76 |
Re: Folger Prusa i3 Kit from ebay December 18, 2014 07:22PM |
Registered: 9 years ago Posts: 76 |
Re: Folger Prusa i3 Kit from ebay December 18, 2014 07:23PM |
Registered: 9 years ago Posts: 10 |
Re: Folger Prusa i3 Kit from ebay December 18, 2014 07:27PM |
Registered: 9 years ago Posts: 76 |
Re: Folger Prusa i3 Kit from ebay December 18, 2014 07:57PM |
Registered: 9 years ago Posts: 76 |