Dobot MG400 Robotic Arm: my first impressions, demos and hardware overview.
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- Опубликовано: 7 июл 2024
- This is a quick overview of the Dobot MG400 desktop robot arm. Timestamps to the different video sections listed below!
The robot was made available for testing by Dobot.nu
www.dobot.nu/product/dobot-mg...
The written article for this video, including Blockly examples can be found on my website at: uptimefab.com/2022/02/07/dobo...
Video on the Vision System: • Dobot Vision Kit, Mach...
0:00 Intro
0:40 Hardware overview
04:34 Setting up the Robot for use
06:40 Electromagnetic gripper
08:22 Pick and place demos with gripper
10:20 Vacuum Cup demo
11:21 Off center end effector calibration
12:12 4th axis experiments
13:47 Push button demo
14:43 Safety levels
15:20 Repeatability testing
16:01 DobotStudio2020 Software overview
19:17 Wrap up - Pros and Cons
Enjoy the video!
Robin 
Наука
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Please note that the fixed IP address is only for LAN1 (used for connecting to a PC for programming). The second LAN port does have an IP address which can be modified, so multiple robots can communicate on the network and also talk to other equipment. This means you are fully flexible when connecting it to the Local area network, except for when you are programming it via DobotStudio.
Hope this clarifies questions on the fixed IP address topic.
Robin
The shut off button should be closer to you than to the machine
Good point, trying to dodge the arm to reach the e-stop is not really something you would want to do. (Even with safety features enabled)
We need more people like you to explain and review things in a comprehensive and concise way.
Thank you!
Superduidelijke review, bedankt hiervoor. Ik hoop dat iedereen de potentie van deze DOBOT MG400 inziet. Ik ben erg onder de indruk!
So absolutely amazing and superb :) So exceptional and great to watch :)
Waw, indrukwekkend stukje technologie !
one of the best videos. thank you Sir !!
Very impressive!
It seems precise.
person custom robo arm, great improvement.
I love robot arm.
This is absolutely awesome. Seriously considering picking one of these up for my business.
Thank you!
@@uptimefab7412 apakah kamu bisa buat mesin capit
Sorry I really don't understand your question even after google translate.
great video
That's a nicely-paced, thorough, and interesting video. I have no need of a robot arm like this, and, sadly, I don't have the loose cash to buy one as a toy! 🥴
I still find the subject fascinating, and wish it was around as a career-path when I was a (much) younger man!
Dobot has come a long way since their original machines! Thank you.
Thank you, much appreciated. I also missed the robotics subject during my education, but found it later on and it is indeed great to experiment with. Cheers, Robin
Nice sir
Thank you!
Thanks for posting this. We’re new to robotics and just ordered an mg400 to help us with a repetitive task in the shop. We’ll be using the suction cup with their small vacuum pump to pickup small parts. I’m wondering how you set it up to give that blast of air to release the part quicker. Thanks
Hi, in the blockly program posted in the website article linked in the description (the left example screenshot for the vacuum cup) you van see some blocks for DO_01, which is vacuum and DO_02, which is compressed air. I just turn DO_01 on and off with some small delay in between. After this DO_02 is turned on and off, and with a small delay. You can play with the delay times to make sure it works properly. Hope the robot works for your application!
@@uptimefab7412 Thanks for the quick reply! We received the robot yesterday and I realized that the Dobot vacuum pump can be switched to pressure as well. I thought it was vac only, and that we would need shop air and a solenoid or something for the blast of air. So it was a lot easier to setup than I expected.
with the dobot studio, is it possible to export a movement to Python, Java or C++?
Hi, I do not know if you can export to these formats from the scripting environment. If you need this, maybe people in the dobot.cc forum can help. In that forum there are also people from dobot answering questions.
I have the same gripper and I want to know where the wires should be plugged into the I/O at the back of the mg400
Hi, I don't have the demo u it anymore, but from what I recall the gripper had a ground, 24v and a line which needed to be connected to one of the output ports of the MG400. Th output port is user selectable, just make sure you use the same port number in your program. Also be careful not to accidentally connect to find or 24v as these are right next to the output ports.
Nice Video Sir! have u tried to use RoboDK software for Dobot??
Hi, thank you! I have not used RoboDK but the MG400 does seem to be supported (already sent it back) but thanks for the tip! Robin
Too me. I want learn how to RoboDK!
Does it come with a litter box scoop attachment?
I think you just found a gap in the market:)
Hi. Where I can find the drawing for robot flange? I would like to make the same 3D printed pen tool u show in the video.
Thanx in advance
Hi, I just uploaded the CAD models for the flange, pen holder and calibration parts used in the video.
Flange: grabcad.com/library/dobot-mg400-flange-1
Pen holder and calibration parts: grabcad.com/library/mg400-dummy-end-effector-and-pen-holder-1
(Can't recall where I found the flange model, the others I made specifically for this video)
Happy designing,
Robin
@@uptimefab7412 Dear Robin, Thank u very much for your responsiveness and knowledge sharing, it's appreciated.
Can you program it with native c# code?
There should be a C# SDK but I have not used it. This is also discussed in the forum section of the Dobot site. An account is needed (sign up is free).
Thanks for the video. However where is the vacuum pump of the MG400? Do i have to use the small one from the magician version?
Hi, for the MG400 the vacuum pump is a separate accessory as some customers would only use a gripper and in that case don't need a vacuum pump. It is not the same as the one for Magician. It has different connections and is physically a different type.
@uptimefab7412 Thanks for the response. One would assume that they would provide a vacuum generator as only a suction cup was provided, not the gripper arm as you mentioned.
Sorry I might not have explained this very well. What I meant is that I received a vacuum cup with the demo unit, not that it is typically included with th MG400. Also, what is or is not included might differ per country and dealer, so make sure to check before buying.
I have received the same mg400 kit (same packaging list card you showed), so maybe it's the default? Will have to buy the extra vacuum pump then in the future 🤷♂️
I wanna make this into a 3d printer
Can this be equipped with a paint nozzle n programmed to paint?
The software is very flexible, so anything can be done, but you would have to create a program for this yourself.
Great video how can i learn how to program this arm?
Hi, the most straight forward way is probably to go through the manual and create the examples listed in it. This should cover most functionality. It can be downloaded from the Dobot website after creating a free account. The blockly method is in my experience quite easy to learn. What I typically do is just recreate all examples in the manual. The other option is to ask your local suppliers if they can provide training.
Hello, I have seen your DOBOT video and i´m interested to purchase it for a cookie decorating process, i think this robot can help out me with my production, but I need a special gripper to handle the plastic bag and regulate the preassure. Do you think this device can solve my problem?
I will apreciate your comments.
Thank you.
Hi, this sounds like a nice application. If you needs special gripper, maybe you can start out with one of the standard grippers which are available and modify that to your needs. I am not sure if you want to set the pressure manually or based on some sensor input, but both should be possible. For manual regulation you could just use a pressure regulator or even small leak valve. For automatic pressure setting you would have to get a commercially available pressure regulator that sets pressure based on an input voltage. You could connect that to one of the outputs of the MG400 and then control the pressure from you program. I do not think there is an off the shelf solution from Dobot, but making it yourself should be doable with the right parts.
Can you make a video about your cnc
Hi, I might do some more videos on the CNC router in the future, but I have some other ones in the works I would like to finish first. Sorry for now, but thank you for your interest.
nice but very limited for move just 4 axes
buen dia , tengo poco en mi empleo y encontre este robot en las pertenencias del antecesor mio , el software para continuar el proycto con este robot , sabe alguien donde lo puedo descargar y si tiene costo?
Hi, if I understand correctly from google-translate, you would like to download the software to control the MG400, which is DobotStudio Pro. This software can be found via link below. Make sure to click the "more" button to actually see the full list. Also you first need to create an account to download, which is free.
Link:
www.dobot-robots.com/service/download-center?keyword=&data_type%5B%5D=2
@@uptimefab7412 very good my friend, yesterday I can download the software. Tomorrow Monday in the word make the proyect
It is a fine robot, but it desperately needs a generous amount of yellow and black caution tape decoration(s).
Thanks, mostly it would make sense not to use any end effectors with hard edges or sharp features. In any custom setup a risk assessment would be in order, even with the built in safety features. A cobot is not inherently safe just because it stops when it encounters resistance. It does not know what is used for an end effector or where the user is.
I m india mumbai
Hi
Fixed IP? That makes no sense at all, how do you run multiple robots on a single network…?
It does seem a bit odd, but there are 2 LAN ports. For port LAN1 the IP is fixed. This port has to be used for connecting to a PC. The manual says this port is for debugging on a PC, but it is also used for programming via the Dobot Studio software. For the second LAN port the IP address can be modified. Per the manual: "LAN2: For connecting to external equipment. The default IP address is 192.168.2.6, which can be modified". One would connect the robot to a PC on LAN1 only for setup and programming and connect it to LAN2 for communication to other equipment via the network. (I have not tested this). Thanks for asking, I did not cover this in the video, so it was a bit unclear. Will add a sticky comment. Hope this helps. Robin
this robot has so many problems and the software crashes all the time, sadly its not worth it. not easy to use at all. Buyer beware you will spend hrs trying to set it up and you might not get it going
Hi Edward, sorry to see you are having issues with your MG400. Are you using the DobotStudio software? Did you contact your supplier or Dobot about the issues? I already sent the review unit back, so my options for helping out with troubleshooting are a bit limited, but I will help if I can.
@@uptimefab7412 its ok I just cant get it to execute the playback file, thank you though
Thanks and best of luck with your projects. The dobot forum might be a good place for teleporting any issues and see if others have similar problems.
God that high-pitched whine while you are showing shots of the arm is just unbearable
Thanks for letting me know it comes across in the video. The high pitch can be a bit annoying especially when you are in a quiet environment. I noticed it quite well, but it might be different in a classroom or assembly environment where the noise level is significantly higher. There you probably would not notice it at all. Unfortunately it is difficult even with a RUclips video to to assess this due to where the microphone was and overall audio level for the video. Hope it helped anyway. Best, Robin
thousands of dollars and you can't change ip address.........................................................................................................................................................
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