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 Repraps and DIY 3D Printing!, Open source hardware~

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eehtsitna
post Feb 10 2015, 07:00 PM

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QUOTE(sooyewguan @ Feb 10 2015, 06:05 PM)
Well Qwikfab doesnt charge much on shipping, only SGD15 to Melaka.

Try check the cost to ship to your place.
http://web.qwikfab.com/
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Thanks for the info. Definitely good to have multiple option for filament supply. Anyway, have anyone tried getting filament from yume 3d printing yet?
eehtsitna
post Feb 18 2015, 08:12 AM

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Howdy guys!

Just wondering does everyone lubricate their outer side of their bearing from time to time? Mine seems to be rusting. sad.gif
eehtsitna
post Feb 21 2015, 07:28 PM

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Hi guys,

I have this issue with my printer stopping halfway during a printing session. I suspect that it has something to do with the current in my house. Is there anyway i can resume the printing after that?

Thanks in advance.
eehtsitna
post Feb 23 2015, 12:59 PM

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QUOTE(altan @ Feb 22 2015, 12:21 AM)
Its not possible to resume a print that fail halfway unless you know how to manipulate the gcode of the file.

I have problems like this before and it depends on a few factors.

You might want to check your power supply and the cable.connecting to the printer, I had a problem once where the power supply shorted internally and had to open the sealed laptop case to fix the problem. Another is to see if any of the power supply wire is melting. I had a power supply wire barrel plug melted a little and the wires inside was slightly burnt.

Another issue is due to the usb communication, make sure to use a cable as short as possible to avoid any data loss. USB supplies 5 volts so their voltage drop a tremendously over long distance. A 1 meter cable will have more data loss than a 10 cm cable. Also winding a long cable around a ferrite core helps in reducing noise.

Also, if you think your house have electrical issues, you might want to invest in a uninterruptable power supply, UPS unit. At least the backup battery will sort out any micro power interruptions and also keep your printed running during a black out.
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Thanks for the insight bro altan.

Hmmm... You suggest that it might be a problem with the power supply? Guess i will need to do something about that soon. If you are right then that should also explain the mysterious problem i have with my overheating mosfet. Never knew that a long usb cable will be an issue too. Time for me to switch back to the stock short cable. tongue.gif

By the way, my lcd controller just came in today. Can i just plug it in and use it straight away?

Thanks again guys!

eehtsitna
post Feb 24 2015, 07:11 AM

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Morning guys!

Anyone know how i can remove this blue dial cover? Printed a casing for my led controller but i need to remove the dial in order for me to fit it in.

Thanks in advance.


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eehtsitna
post Feb 24 2015, 09:34 AM

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QUOTE(DarkTenno @ Feb 24 2015, 10:24 AM)
just pull it out, I printed mine a new knob did not use the original one biggrin.gif
I just did a clean up with a blow torch same results I even swapped thermistor location does not make any different
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Pull it out with brute strength? Or better still will try to pry it out gently instead. Got to try it once im back at home. Thank you. biggrin.gif
eehtsitna
post Feb 24 2015, 09:56 AM

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QUOTE(DarkTenno @ Feb 24 2015, 10:40 AM)
be gentle  brows.gif, the knob just push fitted nothing is holding it just friction, use a screw driver slide under it to center of the screw driver and slowly push your screw driver upward, be careful not to damage the pcb board
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I will definitely try to be gentle. brows.gif
eehtsitna
post Feb 25 2015, 08:22 AM

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Success! Now i wont have to leave my pc on during long hours of printing session. Come to think about it, i should learn some proper way to calibrate my printer. Can someone recommend some good article on the subject?

Thanks in advance.


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eehtsitna
post Feb 25 2015, 10:53 AM

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QUOTE(DarkTenno @ Feb 25 2015, 10:23 AM)
good place to start!, by the way remove the paper covering the buzzer tongue.gif

http://reprap.org/wiki/Calibration
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Found that link while googling around for the info. That is a lot of stuff to read through and i will most likely need some time to digest all those fact. tongue.gif

By the way, how do i access the firmware on my arduino? Is it through the arduino.exe which came with the printer?
eehtsitna
post Feb 25 2015, 11:29 AM

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QUOTE(DarkTenno @ Feb 25 2015, 12:00 PM)
all depend on what firmware you are running, flashed firmware can't be accessed, only thing you can do is EEPROM value that if it is enabled,

I'm using marlin & repitier firmware, I strongly suggest not to touch any of the firmware setting first use as it is unless you want to update the firmware to add more features

flashing firmware to arduino normally we use Arduino IDE which you can download from arduino.cc
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I wanted to make some adjustment to the software endstop since my printer aint align properly. I just cant get my print to be printed at the center of the print bed. It is actually a very minor issue but I cannot get it out of my head. tongue.gif

Any other way i can use to troubleshoot this?
eehtsitna
post Feb 26 2015, 12:00 PM

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Guys!

Anyone know where i can get an assortment of nuts and bolts (M4-M8)? There arent any radioshack equivalent shop in my area. I also need to find some springs which i can use to upgrade my print bed.

Thanks in advance. biggrin.gif
eehtsitna
post Feb 26 2015, 12:31 PM

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QUOTE(DarkTenno @ Feb 26 2015, 01:29 PM)
where your location again?
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Im in Sandakan, Sabah. tongue.gif
eehtsitna
post Feb 26 2015, 01:17 PM

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QUOTE(DarkTenno @ Feb 26 2015, 01:58 PM)
lol it will be expensive to buy online tongue.gif saw someone on lelong.com.my selling them but cheaper to buy walk-in
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Thats the thing! The shipping alone would most likely cost more than the nuts and screws.
eehtsitna
post Mar 2 2015, 10:58 AM

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QUOTE(RaymondT @ Mar 2 2015, 01:00 AM)
Hi guys just checking with you all. I have a Prusa i3 I noticed that the mosfet gets really HOT when using the heated bed. Melted my connecter as it was touching it. Anybody tried using the 12v from RAMPS to trigger a relay which getting the 12v from the PSU and then feed to the heated bed and hotend? I have 2 outputs available on my PSU and my PSU is 30A. Thinking of changing it for the hotend and also the heated bed. Thank you.
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Sounds like a similar issue with mine and i have yet to figure out a solution for that. I tried swapping a new RAMPS and yet the mosfet in the new RAMPS seems to be over heating too.

That aside, does any one have a good spool holder which you would recommend? Printed out one over the weekend but it does not function that well.
eehtsitna
post Mar 2 2015, 11:34 AM

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QUOTE(KLKS @ Mar 2 2015, 12:02 PM)
If your comfortable with a soldering iron, you could move the mosfets over to a heatsink block and put a fan over it. That's what i did (see the pic afew posts ago)
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Yup im comfortable handling a soldering iron but I will need to get at least a heat sink and a fan before i can proceed with what you have done. Think i will just make do and print PLA without a heatbed for the time being. tongue.gif
eehtsitna
post Mar 3 2015, 10:49 AM

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QUOTE(RaymondT @ Mar 3 2015, 12:43 AM)
Just sharing with you guys. Not sure if it's been shared here before or not. Just got my PLA from these guys:-

Global Manufacturing Solutions
No 6: Jalan 1;
Kawasan Perindustrian Hi-Tech 2,
Jalan Sungai Lalang,
Semenyih

RM64 for a spool of 1kg PLA. Quite nicely priced I think. They also have stepper motor with a nice price as well. The senior manager actually came down to see me which is a suprise. He mentioned that they are planning to manufacture their own hotend and also controller board. Anyway you can check their website website:-http://www.yumeprinter.com. Hope this helps.
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I am tempted to try out their filament but im not sure of the quality. Give us some review of the filament when you have started using it.
eehtsitna
post Mar 3 2015, 04:51 PM

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QUOTE(RaymondT @ Mar 3 2015, 02:27 PM)
» Click to show Spoiler - click again to hide... «


So far I've printed about 20m of their filament. I don't have any experience using other filament but I feel the quality is quite good. The temp would be about 210-225/230. I tried running at 190-200 but the layers are not sticking. Running at 225/230 for the first layer and 210 for the rest, I experience no stringing and the print was good (at least for me). Hope this helps. You can do a pick up even for one spool if not you can order online from their store and they will send using GD Express with a charge. I was around that area so I just drop by and get it from them. Their manager who is incharge of 3D printing division even spent about 30 minutes talking to me.
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You are printing using PLA and yet you are using temperature as high as 210-225/230? Your print wont stick to your printbed? Did you use any tape or a heatbed?

Guess I will bite and try a roll or 2 of their filament. In the mean time, i need to step on the brake. Been printing like crazy lately and i have almost finish 3 rolls of filament. rclxub.gif
eehtsitna
post Mar 5 2015, 08:23 AM

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QUOTE(RaymondT @ Mar 4 2015, 07:28 PM)
Nope not using a heat bed or tape. Just glass bed with a layer of glue stick. The first layer do stick to the print bed (maybe due to the glue) but between layers it doesn't stick. I tested increasing 5 degrees at a time until it stick well between layers. Maybe it's due to my thermistor position like was mentioned.
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You should troubleshoot on the position of the thermistor until you can get an accurate reading for the temperature. That should be your priority for now since accurate temperature control is crucial for good print quality. Drop by again if your problem persist since many senior here is more than willing to give you advice and suggestion on that topic.

Im actually using the same method like you which is glue stick on glass bed since my heatbed just simply refuse to work. Sooner or later I will have to do something about that. tongue.gif
eehtsitna
post Mar 16 2015, 03:55 PM

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QUOTE(feiming @ Mar 16 2015, 04:26 PM)
Bro,

Thanks for the help. I have actually located a shop near my area which carries all the different size of bolts and nuts i need. I even managed to find some 608zz bearing which I will be using on my spool holder. biggrin.gif

On the context of upgrading my printer. Is there any other upgrade you guys will like to recommend? I have managed to install springs on my printbed and also printed a spool holder.

Thanks in advance.
eehtsitna
post Mar 25 2015, 07:59 AM

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QUOTE(altan @ Mar 24 2015, 11:28 AM)
If you can spend a bit more, try and replace your threaded rods with lead screws. Lead screws are meant for linear motion translation unlike threaded rods which is meant for holding work piece together.

Try looking back a few pages of posts in this topic since some of us have been posting up spare parts sources for 3D printers.

You could bring your own hack saw and cut the threaded rod there  biggrin.gif
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Is it possible to find such a long lead screw? One of my threaded rod is bent on arrival too put it didnt affect my printing that much. Perhaps you can try to straighten it a bit or swap it with the other threaded rod on the other side?

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