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原文網址 Patrick Mosskov Nielsen 2016-01-09 18:11:57
Hello and thanks for the add to this group :) the thing is i really need the firmware for the creality cr-8 3d printer :) The reason for this is i want to add some improvements, i would love to add a print fan and control the speed. and at the same time add autolevel.. Looking forward to hear from you :)
彭士瑋 2016-01-09 18:29:33
hi, have u check with vender? I checked one month ago. They don’t release fw to me. Perhaps you can help us ask again! : ]
Patrick Mosskov Nielsen 2016-01-09 18:31:07
I already did its really to bad that they dont reply.. its nok like its a business secret.. Marlin is open source!! also the board is one of hteir own i could easily make a new firmware, but im unsure of the pin assignments on the board..
彭士瑋 2016-01-09 18:34:03
I believe they will release fw later. Because they do released the cr7 fw !
彭士瑋 2016-01-09 18:34:22
Patrick Mosskov Nielsen 2016-01-09 18:35:02
Maybe but why not now? One of the most idiotic things about this is that you cant control the fan on the hotend? I want a print cooler it will provide me with much greater results but i cant control the fan at all
Patrick Mosskov Nielsen 2016-01-14 06:56:35
So ive been talking with the company for quite some time now, still havent got the firmware which means no autolevel and i cant change the fan pins layout and therefore make the fans as i want them too Enough said i think its very bad that the company dont follow the simple gpl license that marlin is under. "Whether you use Marlin firmware as the driver for your open or closed-source product, you must keep Marlin open, and you must provide your compatible Marlin source code to end users upon request."
原文網址 Wiwat Arun 2015-12-11 22:31:18
May I ask anyone have CR-8 configuration firmware ?
原文網址 Wiwat Arun 2015-12-11 00:37:03
I m not able to heat the heated bed pass 80c for many cr8 printers. Anyone has the same problem ?. Any solutions ?. (We have already change new hb thermister and update new firmware)
Wiwat Arun 2015-12-11 00:40:09
This problem is just happen to the new batch of printers.
彭士瑋 2015-12-11 00:43:18
User manual said the limit is 60c，I guess they write the max temp limit to protect something
Wiwat Arun 2015-12-11 00:46:26
My previous lott of printer can easily heated pass 100c and to print the ABS 60C is not enough. Since usually, we set the bed temp @ 100c for ABS.
Che Hung Wang 2015-12-11 00:56:22
The seller told me that they use 50C in hot bed for ABS.
Wiwat Arun 2015-12-11 01:19:29
50C is not align with recommended HB temp for most of filament manufacturing.
Kevin Lan 2015-12-11 10:20:06
I got D-Force 300 delta 3d printer, which can heat HB over 100C, but still get warp. So abs glue or stick glue is necessary for printing abs. You can try use a big box cover the printer to avoid cooling too fast.
原文網址 Bou-yu Chen 2015-12-08 18:23:07
請問一下各位大大，小弟我剛剛把marlin重刷了一遍，結果現在好像感應不到熱電偶，出現 Err: Mintemp。
我現在的方向: 在configuration.h裡面改 # define TEMP_SENSOR_0 1 #define TEMP_SENSOR_1 0 #define TEMP_SENSOR_2 0
我想問的是小七是用哪個熱電偶(我剛剛量103k ohm) 然後是應該改哪一個temp_sensor? (temp_sensor_0, temp_sensor_1 還是 temp_sensor_2?)
Bou-yu Chen 2015-12-08 20:01:04
弄好了>< 是我之前耍笨了。。。
原文網址 王仲堃 2015-12-03 22:11:24
問了原賣家可否提供marlin的arduino原始碼，但不知是為何不願提供，有人知道怎麼設定CR-8的marlin的 Configuration.h檔嗎?
會想要修改是想列印需要超過250度的材料與約90度的熱床，不知是否這台機器真的要限制在250度以內與70度以下的熱床?
彭士瑋 2015-12-03 22:16:00
對阿.. 不用和我問了 目前誰都沒有.... 可能要等再晚一點吧，另外超過250度的噴頭我記得好像噴頭會有東西開始融化，熱床的限制是因為電流的關係
原文網址 Kevin Lan 2015-10-15 22:44:36
報告一下, 我這邊有遇到列印頭加溫時, 溫度會爆衝的問題. 例如開始列印設定200度, 會衝到215度左右才會降下來. 今天試了一些方法算是解決了(的樣子).
首先請參考 http://diy3dprint.blogspot.tw/2013/08/marlin.html 讓marlin跑一次autotune, 得到軟體認為正確的PID值, 再填回mariln裏燒錄回去. (記得要從室溫開始)
但如果會爆衝的話, 會沒辦法跑autotune, 因為加溫太快會衝到沒辦法用autotune, 所以要先在marlin 修改Configuration.h中的PID_MAX值, 從255 調成128(一半), 才能執行完autotune.
修改完autotune之後, 還是會爆衝. 再查一次資料, 有人說要把BANG_MAX(說明是寫bang-bang mode的時候做電流控制,但bang-bang mode是什麼沒去查)調低。我是調成除以2.
修改完之後測試了一下從室溫加溫到200度, 一次到位, 幾乎沒有振蕩!! 明天再來正式列印看看.
Kevin Lan 2015-10-15 22:49:27
中間遇到一個問題是跑完autotune指令之後, 電腦就跟主機板失聯了, 一直顯示重送指令. 我猜是因為我用Mac的關係? 反正沒差,斷線重聯就好.
Sop Huan 2015-10-15 23:18:24
我記得曾經看過一個PID的模擬參數網頁 找不到了~_~
周書弘 2015-10-16 00:28:29
沒有firmware的話也沒辦法改啊
Kevin Lan 2015-10-16 10:33:11
Firmware請洽團主...
周書弘 2015-10-16 16:02:38
不過我是自購的，應該就沒辦法拿
原文網址 楊仁智 2015-10-11 19:34:04
用公版板子，設法改成可以裝到小七上，這樣就不用買原廠板子了，.......找了許多板子，還是公板最便宜，問題來了，有人有小七的marlin的configuration.h的檔案
Bou-yu Chen 2015-10-11 19:35:26
求小七 marlin +1
李嘉祥 2015-10-11 19:58:54
這樣一組有比較便宜嗎?
楊仁智 2015-10-11 19:59:40
台灣沒屋頂買的, 1309
楊仁智 2015-10-11 20:02:03
小七官方主板加LCD要320 RMB = 1600 NTD(如果在比運費就差更大了, 台灣超商取60元, 淘寶用順豐最低也要200起跳)
原文網址 Dmitry Sergeevich Dorogoy 2015-08-30 20:34:55
Hi all! What about CR-7 firmware upgrade. Have anyone tried firmware upgrading?
彭士瑋 2015-08-30 21:13:02
Yeah, Some of us have tried increasing the printing area.
原文網址 Jader Lin 2015-08-13 20:25:39
第三團的我終於第一次列印成功， 原來團長寄的marlin檔是要改機用的， 程式碼已燒錄在裡面了， 直接用gcode離線始用，就可以印了， 有幾個問題想問： 1、隨機附的8G卡真的壞了，連讀都讀不到，也沒法格式化，團長這可換嗎？我有拿其他卡是可以讀的! 2、我在買這台之前是使用i3,用cura連電腦列印，可是我將這台的USB連到電腦，cura沒辦法顯示連線列印，是USB線也是壞掉的嗎？因為手邊都是microusb,沒有miniusb,沒法測試!
彭士瑋 2015-08-13 21:04:00
Cura要設定comport，不能用自動偵測喔~
Jader Lin 2015-08-13 21:09:13
收到，我再測試看看!那團長，TF卡壞掉可換新嗎？還是就這樣沒解了!
彭士瑋 2015-08-14 12:10:16
TF卡沒有補，中國的卡片就是這樣過兩三天也還是壞了，用自備的會比較好一點。
原文網址 Andriy Chortya 2015-08-10 06:41:16
I actially only noticed that my fan pins are misconfigured in the firmware. Controllable fan was on the board (2 pin connector) and extruder fan was always on and on 100%. I exchanged the fan connections and now I can control the extruder fan from the SW or firmware.
Miz Yeh 2015-08-10 09:40:30
Extruder fan must be full on to maintain hot end temperature,fan on the board which cooling the motor driving ic running on 100% also make sense, the fan needs to be controlled is which cooling for freshly laid down filament :D
Andriy Chortya 2015-08-10 13:21:47
Yes, but the firmware still needs to control the extruder fan and not the board one. It's not about always having 100% but about controlling the RPM.
Andriy Chortya 2015-08-13 05:22:43
Ok, now I understood what you mean. Actually there should be 3 fans. 1 for the parts (controllable), 1 for the hotend (always 100%) and 1 for the board (also 100%).
Miz Yeh 2015-08-13 10:23:39
You got it
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