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ATOM 3D Printer Group 造訪社團

原文網址 洪瑞宏
2015-05-05 12:50:34

昨天的問題在將z lift 調高到2mm後解決了。下面影片可以看到在很窄的中間填充處，路徑是跑單向。如果z lift 只設0.1用快進得速度磨到工件表面會出問題。

Lawrence Lee
2015-05-05 12:52:32

嗯可能是開孔的部份翹起來打到... Z speed 可以再提高一些，Zlift 的動作會更簡潔


原文網址 Birk Binnard
2015-05-05 04:48:10

劉宏威
2015-05-06 11:45:13

好酷 你混合了兩個東西耶 :D


原文網址 Birk Binnard
2015-05-05 04:46:06

Here are photos of an adaptation I made to the Thingivers spool holder Clarence posted below. What I did was take the actual spool holder arm and add it to the previously published blade holder part. The blade holder has the proper set of holes and attachment parts to easily attach it to the Atom2 extrusion bars. It looked to me that the Thingiverse part would not work so well on the Atom2's extrusions.

You can use the attached STL file to print your own. If you do decide to print this note the Point indicated in the photo. This is an extra added decoration/attraction/feature I didn't take the time to remove. You can save yourself about a minute of print time if you simply stop the print when the point begins printing. I left it on just to see what it looks like.

翻譯年糕

Clarence Lee
2015-05-05 08:49:50

I didn't use it as a spool holder, just for guide the filament to straight into the extruder when using the horizontal spooler. :-)
https://lh4.googleusercontent.com/FLimP804Blcon......

李派克
2015-05-05 09:10:10

這擠出機的散熱也挺酷阿

戴士偉
2015-05-05 11:04:55

未免太熱了...

Shubin Chen
2015-05-05 13:27:50

改水冷了啊~ XD


原文網址 盧威廷
2015-05-05 00:44:00

我印ㄧ個10mmX10mmX10mm的立方體.
印出來的成品X,Y都是10.02mm但高(Z)是10.32mm，不知到高的部分要怎麼調整比較好？

陳順得
2015-05-05 01:06:27

調整offset囉，

盧威廷
2015-05-05 12:09:28

請教一下是哪個offset, 是這個嗎?DELTA_SMOOTH_ROD_OFFSET, 有查到DELTA_DIAGONAL_ROD影響XY,

陳順得
2015-05-05 12:23:23

軟體內的˙ｏｆｆｓｅｔ，不用改到韌體那邊喔＠＠
你說的那個是桿子的投影長度


原文網址 洪瑞宏
2015-05-04 09:15:35

詭異的問題，最近要做一批治具，高度約180mm，有時候在34mm左右會失步，失步大小不一定，但是高度都一定，請問大家有遇過類似情形嗎?

洪瑞宏
2015-05-04 09:16:36

一天連做三件，由左到右，越來越嚴重，但是高度位置都一樣。

Clarence Lee
2015-05-04 09:37:29

換個切片軟體/參數呢?
話說可以巡看看
皮帶齒輪等地方有沒有鬆動之類的

洪瑞宏
2015-05-04 09:41:44

Gcode 有模擬器跑過，沒看到問題，何況同一個程式有正確版出現，皮帶輪定位螺絲也有檢查過，滑軌有上油。詭異的是過了那層又一切正常。

Clarence Lee
2015-05-04 09:57:35

那一層似乎是那個圓洞結束的層?
會不會有些翹曲...噴頭去撞到?
2.0配置? 工件風扇在出事前幾層有在吹嗎?

洪瑞宏
2015-05-04 10:07:31

看看能不能找出原因

洪瑞宏
2015-05-04 10:09:51

翹曲撞到我想有可能，可能提噴頭快跑要提高一點。

Clarence Lee
2015-05-04 12:08:40

可能要架ip6用240fps錄影..XD
看來是1.x 必要的話外面另外架風扇幫忙冷卻吧...

Clarence Lee
2015-05-04 12:10:43

洪瑞宏
2015-05-04 13:33:30

架了攝影機，又沒出錯了。真是傷腦筋。

Jeff Lin
2015-05-04 13:40:10

原來你的印表機怕攝影機

洪瑞宏
2015-05-04 13:41:00

哈哈! 可能要裝一台固定式來督促它!

Jeff Lin
2015-05-04 13:41:38

我懷疑會不會是A4988過熱引起的

洪瑞宏
2015-05-04 13:46:33

我裡面有裝散熱片跟一個風扇，應該不可能。而且我已經做一個禮拜都沒停了，錯誤都在那個高度，很詭異。包括跑其他程式。

Clarence Lee
2015-05-04 14:02:47

那檢查線軌是不是那附近有比較大阻力?

洪瑞宏
2015-05-04 21:09:23

做完了，但是在有孔的地方還是有為小的誤差(0.3~0.5mm)`,

洪瑞宏
2015-05-04 21:10:15

這個角度比較明顯。

洪瑞宏
2015-05-04 21:12:36

我懷疑在孔的地方因為切片牆厚大於我設定的1.2。因此產生很多深藍色短的Zig zag 路徑，造成問題。我或許換個切片程式試看看。

Jeff Lin
2015-05-04 21:13:04

有時候是切片軟體的問題，怎印都一樣

陳順得
2015-05-05 00:03:17

zig zag路徑的用途我看來幾乎是用來輔助斜面牆壁用的，內部填充比較少的時候會出現

我是這樣覺得的拉


原文網址 Birk Binnard
2015-05-04 07:11:45

Do different colors of PLA have different stickiness?

I have two colors of PLA from the same manufacturer - orange and purple. The orange PLA has no problem sticking to the Atom2 build plate with just a small amount of glue-stick. But the purple filament will not stick at all. It either becomes un-stuck right away, or shortly after printing starts. The photo shows one of many failures after printing only a few minutes.

I've tried changing first layer temperature and print speed, both individually and together, but nothing helps. If I go back to the orange color with the same GCode file, no problems.

Are there certain PLA colors that are known to be problematic Could I just have a bad reel of PLA?

翻譯年糕

Clarence Lee
2015-05-04 08:31:56

Maybe, since different color might got different formula .
Looks like warping.
How about disable cooling fan?(Set the Fan z height to higher value, or toggle the fan speed to 0)
Add Brim Dia to 5 or 10 mm

André Medborg
2015-05-04 12:52:08

Birk Binnard I got this problem a lot with clear pla. The solution is to use brown paper packaging tape. With gluestick on top. The gluestick has to dry til unsticky, but no longer than an hour. That ill do the job!

Clarence Lee
2015-05-04 12:56:29

Use hair dryer to increase gluestick dry speed is possible.
BTW, try to heat up the glass plate might be another solution.
I tried pet warmer stick under glass before I installed a real heatbed.
Actually around 40 celsius works pretty well on preventing warping.

Birk Binnard
2015-05-04 13:26:34

Clarence - I did try the hairdryer on the glass plate, but that did not help. However, I do like your idea of drying out the glue once it is on the plate. I did notice that when the warped piece lifted off the glass it had strands if glue connecting i t with the glass, as though the glue had melted. So if this is actually what happened drying it beforehand just might be the key.

I'll post results tomorrow.

Andre - Yes, I've read about the packing tape approach. Frankly this does not strike me as very appealing because it's not a "neat and clean" solution. Plus, what about the thickness of the tape? I presume I'd have to apply the tape to the glass and then re-do Auto-Home to recalibrate the printer firmware. And then undo all that when I go back to a different color.

I'll try this if all else fails, but hopefully I can find a simpler solution.

I remember someone once told me that a heated bed was something the Atom2 team is working on, but it's not clear to me how that would be added to the current system.

André Medborg
2015-05-04 16:23:02

Birk Binnard actually I have been experimenting with different "clean" solutions and the best one I have come up with is the print bed surface from bq witbox. With this one you get a really good bond, however it is not without problems. Bonding is real ly good, but with really troublesome print jobs (100% infill, long objects, etc.) then the tape + glue is the only thing I have found to do the job. I know Velleman makes a "clean" print bed surface too, but havent tried it yet. There is one other issue that has to do with the auto alignment of the ATOM2.0. On rare occations the alignment fails and plunges the nozzle setup into the print bed. It doesnt harm the nozzle, but the bed if anything else than glas/glue, gets a beeting! I have tried this two times without any good reason. Oh, and you dont need to do any fiddeling behind the scenes with the tape, just print like it was glass/glue.

Clarence Lee
2015-05-04 17:36:28

I am currently using heatbed 60C + a normal glass without glue/tape.
It works pretty well with brim for large object. (small one might even don't need a brim)
http://www.ustream.tv/recorded/60856695


原文網址 陳順得
2015-05-04 01:07:32

新鮮出爐的無臉男+濃稠壓克力顏料上色，層高0.05無支撐，花了我19hr


原文網址 廖新弘
2015-05-03 21:52:54

回抽殘酷試驗

廖新弘
2015-05-03 22:06:49

有點小瑕疵，但是大體上0k

Mariel Diaz
2015-05-03 22:10:19

Share with me your kisslicer config pleaseeeee ;)

陳順得
2015-05-03 22:12:02

小熊我覺得沒有很難耶@@

廖新弘
2015-05-03 22:12:32

廖新弘
2015-05-03 22:14:13

大家可以試試

AI Jian
2015-05-04 01:06:09

? ? ? 筆記

André Medborg
2015-05-04 19:44:34

Hi, nice model. What slicer did you use and what is the settings? It seems very fast. What print bed is that?

廖新弘
2015-05-04 23:05:28

廖新弘
2015-05-04 23:05:44

廖新弘
2015-05-04 23:05:55

廖新弘
2015-05-04 23:06:09

廖新弘
2015-05-04 23:06:26


原文網址 洪瑞宏
2015-05-03 21:30:24

Atom 1.0 升級螺絲調整皮帶機構。看到2.0都有了，自己升級一下。

廖新弘
2015-05-03 22:53:15

之前亮宇大大的方式http://diy3dprint.blogspot.tw/2014/07/blog-post.html

林家禾
2015-05-03 23:30:23

恭喜您
這樣升級了，要辦桌哦！


原文網址 昇衛佑駿
2015-05-03 20:49:41

閒聊~來問個問題~
大家可以罵我白癡或者智障或者吃飽太嫌沒關係~
因為我ˇ的熱敏電阻的線接頭~雖然都有順利接合~
可是機器在動作時~會因為接頭晃動~有時會上下溫度跳來跳去~誤差超過十度以上~
目前是用束帶硬兩邊對束住~溫度才會穩~
一直思考如何改~以及整線~光頭部就需要用到八條線路~
不知~是否有人思考過用網錄線以及接頭來代替那八條線...@@因為也都是八芯的~哈哈~

廖新弘
2015-05-03 21:18:42

需要考慮一下電流吧

陳順得
2015-05-03 21:20:53

網路線不夠吃喔……尤其是加熱片

昇衛佑駿
2015-05-03 21:22:55

加熱片會不夠吃唷~加熱片幾A呀

Bato Wang
2015-05-03 21:28:07

我有這樣做哦....我的組合是8+2...8pin走CAT6, 2pin加熱是12AWG...這樣就沒問題了...加熱片是兩片並聯吃24V.....電流吃很大.....列印前加熱20秒內可以完成.....風扇兩組, 微動, 熱敏...這樣剛好8pin

廖新弘
2015-05-03 21:29:31

高手出現，本來想叫他去問Bato 你

昇衛佑駿
2015-05-03 21:29:57

原來不是我異想天開~有人搞了~因為我感覺拆網路接頭也滿方便的~裝了又緊~應該不太會有晃動問題~所以才發問的~哈哈

廖新弘
2015-05-03 21:31:27

不過我覺得要考慮維修問題

昇衛佑駿
2015-05-03 21:32:19

其實網路線~很好維修呀~至於頭部就用接頭拆分就可呀~

昇衛佑駿
2015-05-03 21:34:13

等我吃飽太閒~我再來試看看網路線能不能承受住加熱片~

Bato Wang
2015-05-03 21:42:54

建議不要讓加熱片走網路線，外皮融化短路很危險.....

昇衛佑駿
2015-05-03 21:45:13

不會啦~我會先撥兩條拉出來外面獨立測~看溫度怎樣~因為我感覺電流沒很大應該可行~電話線規格我有去查~是能撐到100V的~

廖新弘
2015-05-03 21:47:40

考慮一下長時間大電流造成電線老化

昇衛佑駿
2015-05-03 21:49:09

我知~我會測長時間~以12V~20A換算出240W~算回100V~也才2.4A~那是實心銅線~感覺應該是撐得住~感覺啦~沒測沒試我不敢講

Bato Wang
2015-05-03 21:54:09

不要試比較好，重點不是電壓是電流.....CAT5是24AWG.....上限不超過0.8A......加熱器會超過......而且網路線的包覆材質很不耐熱......但聽不進去要試試就試吧.....

昇衛佑駿
2015-05-03 21:56:19

作個小實驗而已啦~^^~會防護好的

Clarence Lee
2015-05-03 22:44:30

銅線單蕊不適合可動用途吧。找USB or多蕊軟的網路線比較適合

昇衛佑駿
2015-05-03 22:48:17

其實那麼細還滿軟的

Rickey Yang
2015-05-03 23:28:33

"以12V~20A換算出240W~算回100V~也才2.4A~那是實心銅線"
不能這樣算吧？

昇衛佑駿
2015-05-03 23:29:47

所以該怎樣算~才是對的~

Rickey Yang
2015-05-03 23:36:39

240W 功率 要除實際送電的電壓，不是除電線耐壓。
所以只要給的電壓不變，不管電線是那種，電流都不會變小

昇衛佑駿
2015-05-03 23:37:14

所以電流一樣是20A?

昇衛佑駿
2015-05-03 23:37:31

要以電流下去看就是了?

Rickey Yang
2015-05-03 23:39:59

除非把電升到24V 36V......但電流還是很大。而且加熱片規格應該吃不下這電壓，電流應該會往上衝。

昇衛佑駿
2015-05-03 23:41:20

OKOK~那了解了~那樣可能真的不行會燒線了~感謝解答

Bato Wang
2015-05-04 10:28:40

加熱片吃24V是ok的, 限定PWM在60以下的時候, 大概吃了4A....吃12V的話, 遠超過24AWG的耐電流.....會發生什麼事情呢, 首先是這條線被電流加熱, 然後包覆溶解, 兩條線路短路在一起, 旁邊更多的線被溶解....更多的線短路, 12V電源到處亂跑, 然後天知道板子會壞哪裡.....

昇衛佑駿
2015-05-04 10:31:01

如果要測~是一定會把線路分開才測的~但是以YANG說的~電流差太多了~因為電壓是沒法改變的~所以應該是真的會燒吧~

Mark Chen
2015-05-04 10:35:16

不要這樣做 我親眼看過整條電線冒出火光 好亮

昇衛佑駿
2015-05-04 10:37:02

整條燒是很漂亮沒錯

昇衛佑駿
2015-05-04 10:38:09

不過也還好~頂多加熱片的線路獨立兩條較粗的就好~其他都能換網路線了@@

陳明谷
2015-05-04 11:05:50

供參考

Clarence Lee
2015-05-04 11:30:08

看起對於3歐姆左右的陶瓷加熱片來說, 12V時24 or 22AWG以上就夠了

昇衛佑駿
2015-05-04 11:55:51

越想感覺怪怪的~我改車用的12V8AWGˇ的線就快一公分粗了~如果以此類推~22AWG要多粗呀~這樣原廠線也不夠粗也沒見昇溫~這電線的規格~到現在~又看得好花了~

Bato Wang
2015-05-04 11:56:51

數字越大越細......

昇衛佑駿
2015-05-04 11:58:00

所以這樣對應下來~22AWG要多粗才是

昇衛佑駿
2015-05-04 12:00:14

回看前面~CAT5是24AWG也夠呀~??

Clarence Lee
2015-05-04 12:05:38

http://blog.cckai.net/....../solid-conductors-stranded......
不過我覺得接頭用網路頭並不理想啊..他不是天生要給你晃來晃去的...
要換別種空中接頭...

陳明谷
2015-05-04 12:07:07

昇衛佑駿
2015-05-04 12:07:16

這大概懂~其實原廠的多芯鋁線~也很容易因為拆裝斷線~

昇衛佑駿
2015-05-04 12:10:35

那為了省空間~拆裝方便~又不會有危險~~該配怎樣的線~以及接頭@@大家有較好的建議嗎

陳明谷
2015-05-04 12:11:34

電流是走導體表面
所以多芯跤線可以通過比較大的電流
在電流夠用的狀況下
較細的線會有壓降跟抗干擾差的問題
所以…

昇衛佑駿
2015-05-04 12:14:07

以頭部那八條線~應該只有熱敏電阻那兩條怕甘擾~其他的應該還好~我們走的線路也應該沒那麼長才是

陳明谷
2015-05-04 12:14:47

在線材上選擇正確
但接頭因為接觸面積跟壓力問題
也可能造成接觸阻抗過大而積熱
尤其是常插拔的接頭
另外…金屬氧化也是個問題

昇衛佑駿
2015-05-04 12:17:11

是呀~所以才想改掉....才會有這無腦的發問~也跟大家講個報歉~不是找碴~是想找出較適合的作法而已唷~

陳明谷
2015-05-04 12:20:16

倒不會啦
只是有時候線材阻抗的產生
等於在這迴圈中串了等效電阻
依照電阻分壓比例
就可能讓某些零件吃到不夠的電
這在設計上是常發生卻被疏忽掉的事

昇衛佑駿
2015-05-04 12:22:09

哈~我是黑手~問我鎖多大螺絲還可以騙騙人~電學這門~真的是亂搞一通~

Clarence Lee
2015-05-04 12:23:37

去找一些空中接頭看看囉,注意看耐電流規格適不適用
是還好都小訊號為主..

昇衛佑駿
2015-05-04 12:24:50

是有找到~但體積和重量好像也不輕....

Clarence Lee
2015-05-04 12:26:01

接頭重量的問題的話可以考慮學2.0接頭擺最上面..架在鋁框上總不擔心了吧...

昇衛佑駿
2015-05-04 12:27:37

所以這樣就是等於把頭部線路延長到上面鋁架了~也是不錯的辦法~但要拆就要連管拆

Clarence Lee
2015-05-04 12:29:41

http://static1.squarespace.com/....../BDY14998.jpg......
意圖挖坑讓樓上跑去洗板... XD

昇衛佑駿
2015-05-04 12:30:27

這支架設計得真是不錯

昇衛佑駿
2015-05-04 12:32:09

挖坑~洗板?

Jeff Lin
2015-05-04 12:32:33

看起來挺不錯的

昇衛佑駿
2015-05-04 12:33:09

哇咧~他把電路洗板子出來鎖在頭部唷~然後用插拔的~這有兇

昇衛佑駿
2015-05-04 12:35:09

我應該不會洗板~但是我有機會~應該會把磁吸式支架改掉~改成全鋁合金支架~

Clarence Lee
2015-05-04 12:39:58

陳明谷
2015-05-04 12:47:58

磁吸應該是為了之後開發新的配件
方便快速更換使用
這電路看了一下 外面那圈應該是LED?
擺在發熱源旁邊壽命應該會很快就…
剛邊吃飯邊想
較好的方式就是噴頭總成直接銲接出線
接頭就坐做在平臺上
可以方便拆裝也不用擔心噴頭過重

昇衛佑駿
2015-05-04 12:49:34

樓上說得這作法我想過~不過好難搞~有考慮過拆電路板來裝@@

陳明谷
2015-05-04 12:55:39

可以啊
只要注意別讓電路板在太熱的地方
以及太震動的地方

昇衛佑駿
2015-05-09 23:55:50

真是優秀呀

Shubin Chen
2015-05-10 13:37:00

蠻ｃｏｏｌ的


 

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