KillerBee CNC Assembly Finished - RatRig KillerBee #3
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- Опубліковано 26 сер 2021
- Big thanks to PCBWay for sponsoring this video. Check them out here: www.pcbway.com
In this video, I complete the assembly of the RatRig KillerBee. I show you all the steps involved and also talk about the changes and improvements that I've made. I also go ahead and machine a custom x motor mount to reduce the footprint of my machine. Overall I quite like this machine so far, the manual for the assembly is very good and the machine is built extremely solid for a hobby router. I can't wait to test it to its full abilities.
RatRig KillerBee (not sponsored): www.ratrig.com/3d-printing-cn...
Closed Loop Steppers: s.click.aliexpress.com/e/_9IrGPI
Spindle: s.click.aliexpress.com/e/_9hVWmk
My motor adapter plate: www.thingiverse.com/thing:539...
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I came across the killerbee last week. I am really interested. Happy to have found these videos. Can't wait to see what this machine can do!
Good video David, always good to see your progress
Awesome build! I am building an openbuilds lead cnc now but seeing the killerbee I'm already thinking I'll want to upgrade soon hahah. I was curious about the square mount spindle but I wasn't sure the c-beam was wide enough to hold it without some kind of adapter. Your solution with the 90 degree brackets looks like it'll work great, and puts my mind at ease about the compatibility of that spindle. Thanks!
I subscribed at a time you were making custom keyboards, you're going strong! Great content.
Yea, my projects tend to be a bit all over the place. I'll definitely have more custom keyboard content in the future.
I have a Lead 1515 I would like to upgrade and wondered if it would be worthy. How flat were the plates?
Do you have a dxf / cnc file of the add on for the x axis which allowed you to flip the motor 180 degrees? And where did you buy the wheels and belt for the motor :) thanks for all the great work you do!
Hello, Did you choose 15x40 or 15x30 for the chain dimension?
Great video
Hello, great videos, helped me choose the killerbee 1510. I have a small workshop and really like the idea of moving the motor and using a belt. Any chance you could share the file for the motor plate you made? Understand if you'd rather not.
Thanks and great work
Adam
Yes, yes, yes! I was waiting soooooo long for Killerbee videos!!!! Please, can you tell your machine size (alu extrusions) and working area? Keep up the good work! Thumbs Up! I build ~700x600 with V-wheels, belts and extrusions 60x20... it's ok, but I need faster and deeper cuts, so my second versions are between - Rawcnc 1.5 (early version), QueenBee, PrintNC and KillerBee. I'm thinking Killerbee will be my best option (mostly cutting oak boards and plywood). So I'm waiting now videos for test cuts and how fast/deep can Killerbee cut with one pass.... I hope you will make in future videos :)
RatRig offers a wide range of sizes from 500x500 all the way up to 1500x1500mm machine size. Mine is the 1000x750, which should give me around 700x500mm machining area, if I remember correctly (they have the exact specs on their website).
Going with linear rails and lead screws over belts and v-rollers is definitely a huge upgrade in rigidity and reliability.
I’ve upgraded the work bee
The opening sequence isn't a Ratrig! The custom part you built.
Hello David, I've ordered a killerbee this week! thanks for your video's they will help big time! The only thing is, what are your thoughts about the delrin acme blocks? I'm concerned that they will wear out quick? keep up the good work!
Time will tell, but even if they do, it would be easy enough to replace them down the line with something else.
Hi. Great video, thanks. Where have you found the little things to attach the spindle to the plate ?
They are the same 2020 corner brackets I used to connect the alu profiles for the enclosure.
Hello how are you. I love your videos. Do you think this machine in 750×750 would be ok for aluminum. Or would the 500×750 be better. Also have you milled any aluminum
You could also fill them in with epoxy granite. There are video of before and after the mod. Of course if there is enough void space in the extrusion
I considered that, but because the extrusions used here are still based on 2020, the gaps are quite small and there is not that much space that could be filled. Doing that is purely for vibrations though, not rigidity, which is what I'm focusing on first.
@@DarkArtGuitars yeh I thought so. 2020 don't give enough space for epoxy granite core filling. Epoxy granite is done by mixing epoxy with different stone/sand sizes, so also rigidity will increase a lot, but I agree that damping vibrations its the main thing. I am filling up the base and half of the column of the Optimum mill with it
Would you consider upgrading from LeadCNC 1010 to Killerbee with all the slop and lack of rigidity due to the extrusions or would you save the money for the mandatory second machine ? I'm still building mine, so now would be the time to upgrade.
I have never used the LeadCNC, so I can't say for sure, but upgrading to linear rails and leadscrews does make quite a big difference. There are also other rigidity upgrades you can make on your own that can greatly improve the capabilities of your machine.
Excellent video! I am setting up the Queenbee right now and could really benefit from moving the x-axis motor to the inside like you did. Would you be willing to share the file for your adapter plate?
I don't know if the bolt pattern of the Queenbee is the same, so it might not quite fit
Nice work. What router spindle did you choose?
2.2kw air cooled chinese spindle
I’m having trouble with my sensor switches they are triggered when open and not when closed any advice would be grateful
Hi David, I am just about to order my steppers, and just wanted to check if you feel 2.2Nm is still the right motor spec now that you have used the machine for a few months ? Thanks for the videos by the way, they have been really helpful during the assembly of my 1515.
From what I can tell they work great, haven't had any issues.
One your adapter plate, what is your center to center of the pulleys, pulley size, and belt length?
I have added a link to the file with the details in the description.
Thanks for the video. Why did you choose a squared spindle instead of round ones? Looking forward to see your final calibration process. Thanks
The round ones are usually water cooled, which is quieter, but you also have to deal with the water cooling loop, which makes the air cooled ones a lot easier to work with. On the inside it is the same spindle, the reason it is square is to have more heat sink area to cool the spindle. Plus it also makes mounting easier, as you don't need a special mounting bracket.
@@DarkArtGuitars OK I understand. Great choice! You choose 2.2kW. Why not using the 1.5Kw instead? I've seen a lot DIY CNC with 1.5. Thanks
@@Levisgil47 1.5kw would also be a perfectly good choice, I just wanted to have the extra power available in case I need it.
@@DarkArtGuitars what is the weight of the spindle? How is your experience so far? Any flex in the c beam?
What kind What kind of angle bracket you use to mount the spindle?
just some 2020 corner brackets I had left over (I filed off the locating nubs)
What would be the amount of hours needed to go from unpacked boxes to operational cnc? Excluding building table and enclosure.
It depends a lot on how much experience you have with things like this, the electronics chosen, and how much time you spend on dialing in the rails perfectly. But a rough estimate would be that you should be able to get it done in a weekend or two.
@@DarkArtGuitars Great, thank you. That is pretty doable
Do you loose speed or torque if you drive leadscrew with belt? :)
I'm making plans for CNC machine, and that solution will save me space, but I don't know if it will affect performance? :)
Since I use the same pulley on the motor and the leadscrew the speed and torque stay the same.
@@DarkArtGuitars Thanks... :) What is the lenght of that belt? 170mm?
@@unique93obr I've added a link to the description to the adapter plate and I have also posted some more details there about the belt and pulleys.
@@DarkArtGuitars thanks :)
Which motor models and size are you using
I added a link to them in the description. I'm using the 2.2N/m ones.
@@DarkArtGuitars Hi David, I am just about to order my steppers, and just wanted to check if you feel 2.2Nm is still the right motor spec now that you have used the machine for a few months ? Thanks for the videos by the way, they have been really helpful during the assembly of my 1515.
Ha, a Dream Theater fan.
Wouldn't it have been much cheaper to build it yourself? You already have a CNC as far as I recall.
I was going to build one from scratch, but it turned out that sourcing all the parts individually was just as expensive, if not more than going with this kit. Also having the connecting plates already done saved a lot of time and headache, so I am quite happy with the decision, especially since I would have build a very similar machine to this anyhow.
@@DarkArtGuitars hmm... sourcing the parts in my area isn't that expensive but thanks for letting me know. The connecting plates aren't a problem with modern CAD (even FreeCAD can handle that).
Milling and spraying some steel isn't a big deal.
@@mrechbreger The cad is not the issue, it just takes quite a bit of time to make all of them and since my free time is limited I have to choose what I want to focus on.
You are the male Wednesday
I'll take that as a compliment
Do you have a dxf / cnc file of the add on for the x axis which allowed you to flip the motor 180 degrees? And where did you buy the wheels and belt for the motor :) thanks for all the great work you do!
There is a link to the part in the description.
@@DarkArtGuitars Arh sorry. I looked trough the list but did not notice it before now.
Thanks a lot :=)