Re: Ebay SINTRON Kossel Mini full kit January 28, 2016 07:09PM |
Registered: 8 years ago Posts: 19 |
Re: Ebay SINTRON Kossel Mini full kit January 29, 2016 09:37AM |
Registered: 8 years ago Posts: 17 |
Re: Ebay SINTRON Kossel Mini full kit January 29, 2016 11:30AM |
Registered: 8 years ago Posts: 319 |
Quote
Levon
Hi guys,
Does anybody use Simplify3D? After watching this I thought worth trying it out, but unfortunately they do not provide trial version, one should trust them and just buy.
It's interesting your opinion...
Re: Ebay SINTRON Kossel Mini full kit January 29, 2016 12:35PM |
Registered: 8 years ago Posts: 104 |
Re: Ebay SINTRON Kossel Mini full kit January 29, 2016 12:43PM |
Registered: 8 years ago Posts: 104 |
Quote
Levon
Hi guys,
Does anybody use Simplify3D? After watching this I thought worth trying it out, but unfortunately they do not provide trial version, one should trust them and just buy.
Re: Ebay SINTRON Kossel Mini full kit January 29, 2016 04:00PM |
Registered: 8 years ago Posts: 319 |
Ouch thats a steep price.Quote
GrAndAG
Quote
Levon
Hi guys,
Does anybody use Simplify3D? After watching this I thought worth trying it out, but unfortunately they do not provide trial version, one should trust them and just buy.
Actually, they have Try'n'Buy version. But you have to pay $149 first. They just promise to do full refund in 2 weeks if you do not like the program.
Re: Ebay SINTRON Kossel Mini full kit January 30, 2016 03:56PM |
Registered: 8 years ago Posts: 319 |
Re: Ebay SINTRON Kossel Mini full kit January 30, 2016 04:17PM |
Registered: 10 years ago Posts: 14,672 |
Quote
DRTak
Right now however, I decided to move up to using up my last spool of ABS. The duet is having issues heating up the hotbed beyond 97deg. I might have to test the hotbed and maybe try for 95 deg or lower and see if ABS sticks.
Re: Ebay SINTRON Kossel Mini full kit January 30, 2016 05:35PM |
Registered: 8 years ago Posts: 19 |
Re: Ebay SINTRON Kossel Mini full kit January 30, 2016 09:09PM |
Registered: 8 years ago Posts: 11 |
Re: Ebay SINTRON Kossel Mini full kit January 30, 2016 09:51PM |
Registered: 8 years ago Posts: 916 |
Quote
dc42
Quote
DRTak
Right now however, I decided to move up to using up my last spool of ABS. The duet is having issues heating up the hotbed beyond 97deg. I might have to test the hotbed and maybe try for 95 deg or lower and see if ABS sticks.
Don't blame the Duet for not getting above 97C, the problem is almost certainly an under-powered bed heater. This is very common with PCB bed heaters. There are a couple of things you can do:
1. Measure the power supply output voltage at its terminals. Then measure the voltage across the bed heater terminals when the bed heater is on. If it is lower by more than 0.2V, that is too much voltage drop. The usual cause is that your 12V power and/or bed heater wires are too thin, or you have a poor connection.
2. If you have a typical Chinese LED-type power supply, there will be a voltage adjustment pot at one end of the terminal block. If the PSU is not already working at or close to its maximum power, it is safe to turn the voltage up from 12V to 14V.
Re: Ebay SINTRON Kossel Mini full kit January 31, 2016 03:47AM |
Registered: 10 years ago Posts: 14,672 |
Re: Ebay SINTRON Kossel Mini full kit January 31, 2016 06:53AM |
Registered: 8 years ago Posts: 916 |
Re: Ebay SINTRON Kossel Mini full kit January 31, 2016 01:40PM |
Registered: 8 years ago Posts: 319 |
Thanks for the input and quick response. Im sure you are right that its the chinese power supply. After waiting a very long time I got the temp of the bed up to 100deg. I had to do your trick with putting plastic around the bottom of the unit to contain the heat. I made sure the electronics and paneldue were not enclosed. I have not measured the voltage but I can also say that it might be related to my long wire that goes from the bottom of the kossel heatbed to the top where i have my electronics.Quote
dc42
Quote
DRTak
Right now however, I decided to move up to using up my last spool of ABS. The duet is having issues heating up the hotbed beyond 97deg. I might have to test the hotbed and maybe try for 95 deg or lower and see if ABS sticks.
Don't blame the Duet for not getting above 97C, the problem is almost certainly an under-powered bed heater. This is very common with PCB bed heaters. There are a couple of things you can do:
1. Measure the power supply output voltage at its terminals. Then measure the voltage across the bed heater terminals when the bed heater is on. If it is lower by more than 0.2V, that is too much voltage drop. The usual cause is that your 12V power and/or bed heater wires are too thin, or you have a poor connection.
2. If you have a typical Chinese LED-type power supply, there will be a voltage adjustment pot at one end of the terminal block. If the PSU is not already working at or close to its maximum power, it is safe to turn the voltage up from 12V to 14V.
Re: Ebay SINTRON Kossel Mini full kit January 31, 2016 01:41PM |
Registered: 8 years ago Posts: 319 |
Quote
Noitome
tI thought I solved the problem of not being to upload sketches with the ramps 1.4 attached, but it appeared it only worked when only the stepper drivers were attached. I ordered a new one but impatient as I was I configured the printer with taking the ramps off multiple times. Now at the test phase the next issue developed. The extruder works in reversed directions. When I click reverse it extrudes and when I click extrude it reverses. How do I solve this, should I just attach the connector in opposite directions? I followed the steps in the manual but still this happens. really frustrating, so is that manual. Any ideas guys?
fixed the last part by flipping the connecter, man sintron are as***les by not updating that manual. Really frustrating.
Re: Ebay SINTRON Kossel Mini full kit January 31, 2016 01:45PM |
Registered: 8 years ago Posts: 319 |
Quote
nebbian
Nebbian. I agree with you on that. When I had ramps it was really fast. But 2 things I have done to make it slow. This is my guess. I added a round glass plate to the top. And I added about 2ft of extra 12-14gauge wire to go from the heatbed to the electronics on top. Im assuming this is what is making it take so long to heat up the bed.Quote
dc42
Quote
DRTak
Right now however, I decided to move up to using up my last spool of ABS. The duet is having issues heating up the hotbed beyond 97deg. I might have to test the hotbed and maybe try for 95 deg or lower and see if ABS sticks.
Don't blame the Duet for not getting above 97C, the problem is almost certainly an under-powered bed heater. This is very common with PCB bed heaters. There are a couple of things you can do:
1. Measure the power supply output voltage at its terminals. Then measure the voltage across the bed heater terminals when the bed heater is on. If it is lower by more than 0.2V, that is too much voltage drop. The usual cause is that your 12V power and/or bed heater wires are too thin, or you have a poor connection.
2. If you have a typical Chinese LED-type power supply, there will be a voltage adjustment pot at one end of the terminal block. If the PSU is not already working at or close to its maximum power, it is safe to turn the voltage up from 12V to 14V.
Well I'm using Ramps/Marlin and the exact same bed heater, and mine goes from room temperature to 105 degrees in 5 minutes.
Just sayin'.
Re: Ebay SINTRON Kossel Mini full kit January 31, 2016 01:48PM |
Registered: 8 years ago Posts: 319 |
Quote
nebbian
DrTak,
To help with the heatbed, I did the following:
- 30A Automotive relay plus inline 15A fuse, due to rubbish fuse on the Ramps. You might not need to do this.
- Turn up the voltage on the power supply to 14V
- Use good quality 16ga silicone insulated wire
- Insulate the bottom of the bed with cardboard and aluminium roofing tape
As mentioned before, this setup goes from room temperature to 105 in five minutes.
I haven't tried going higher than 105 degrees, but it holds this temperauture easily with about a 50% duty cycle on the relay (I can hear it clicking). I feel that 115 would be achievable but only just.
I hope this helps.
Re: Ebay SINTRON Kossel Mini full kit January 31, 2016 02:24PM |
Registered: 8 years ago Posts: 19 |
Re: Ebay SINTRON Kossel Mini full kit January 31, 2016 02:33PM |
Registered: 8 years ago Posts: 255 |
Quote
Noitome
does anyone know how to solve the problem I'm facing where if I print the areas furthest away from the middle are a lot less precise in printing? e.g. I was printing the lcd cover from thingyverse [www.thingiverse.com] and it appears that the printer skips the rounds for where the screws are supposed to go in whereas the slicer shows perfectly where they are supposed to be.
Hopefully there is solution which doesn't involve any sketches
(since then I have to take the ramps off again in order to upload them).
Re: Ebay SINTRON Kossel Mini full kit January 31, 2016 03:23PM |
Registered: 8 years ago Posts: 19 |
Re: Ebay SINTRON Kossel Mini full kit January 31, 2016 03:35PM |
Registered: 8 years ago Posts: 255 |
Quote
Noitome
[www.ebay.com] this is the listing I bought, I believe those rods are different from the ones in the start of this forum. Full metal screw on pieces, it doesn't seem to bump into one another. But I didn't check for that at the ends. It does manage to push up the z-probe on the outer screw so the positions are able to be reached. Though when I put in the coordinates of the cap screw before auto leveling it reaches the screw, the auto level actually messes this up and makes the position unreachable. After auto level I am unable to reach the screw postion by manualy inserting coordinates.
Maybe the printing area is too small? Did any of you guys manage to succesfully print a lcd screen cover for the sintron kossel? and if so, did you have to change the positioning of the stl file before printing?
(the one I printed also appeared to be for a different LCD but it was a good test anyways )
Re: Ebay SINTRON Kossel Mini full kit January 31, 2016 04:00PM |
Registered: 8 years ago Posts: 19 |
Re: Ebay SINTRON Kossel Mini full kit January 31, 2016 05:21PM |
Registered: 10 years ago Posts: 14,672 |
Quote
DRTak
I have used the roofing tape on the bottom. I also put a layer of kapton tape on the bottom. An additional layer of black electrical tape. This helped. But Im almost thinking I need to use ?cork as well. Im afraid of cardboard. I already had my fire issue with the ramps electronics (thus my upgarde to duet). I dont want to add paper to the bottom of a heatbed.
Re: Ebay SINTRON Kossel Mini full kit January 31, 2016 11:40PM |
Registered: 8 years ago Posts: 916 |
Quote
DRTak
Nebbian. I agree with you on that. When I had ramps it was really fast. But 2 things I have done to make it slow. This is my guess. I added a round glass plate to the top. And I added about 2ft of extra 12-14gauge wire to go from the heatbed to the electronics on top. Im assuming this is what is making it take so long to heat up the bed.
Re: Ebay SINTRON Kossel Mini full kit January 31, 2016 11:45PM |
Registered: 8 years ago Posts: 916 |
Re: Ebay SINTRON Kossel Mini full kit February 01, 2016 11:23PM |
Registered: 8 years ago Posts: 17 |
Anonymous User
Re: Ebay SINTRON Kossel Mini full kit February 02, 2016 03:31AM |
Quote
Levon
Hi all,
Yesterday night I printed this fish, all is done pretty well, I was even able to separate the links with not much of force applied.
The only thing that annoys me is the inconsistency of the layers. Please see the attachments. I'm sure it's something mechanical and I mostly suspect my push rods which are the original ones, but grinded (maybe not enough). Though the whole thing was in the center and the length is around 60mm. I would definitely accuse the push rods if I had a slight offset on just one layer, but they off with batches, which is strange to me.
Re: Ebay SINTRON Kossel Mini full kit February 02, 2016 03:53AM |
Registered: 8 years ago Posts: 17 |
Quote
Sir_Death
Hi Levon,
I had very similar Problems, when my belts were not tensioned enough.
After some weeks in tensioned condition, they got little bit loose. I gave them more tension and included springs like theese Thingiverse
Position of the springs - directly underneath the carriages
Re: Ebay SINTRON Kossel Mini full kit February 02, 2016 05:25AM |
Registered: 8 years ago Posts: 104 |
Did you mount the bed using springs?Quote
Levon
The only thing that annoys me is the inconsistency of the layers. Please see the attachments. I'm sure it's something mechanical and I mostly suspect my push rods which are the original ones, but grinded (maybe not enough). Though the whole thing was in the center and the length is around 60mm. I would definitely accuse the push rods if I had a slight offset on just one layer, but they off with batches, which is strange to me.
Re: Ebay SINTRON Kossel Mini full kit February 02, 2016 05:46AM |
Registered: 8 years ago Posts: 17 |
Quote
GrAndAG
Did you mount the bed using springs?
I had the similar problem (layers offset) when my bed was installed on springs. Sometimes the nozzle was able to move bed a bit during the printing. Now I remounted the bed firmly and that issue is gone.