CNC Machining a Brass Utility Knife

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In this video I am CNC machining a brass utility knife holder, that I designed using Fusion 360 generative design.
I designed this handle to test out the new Carvera Air CNC machine, sent to me by Makera.
This new machine is a more budget-friendly version of the original Carvera which I have made a video on previously.
The Kickstarter for this machine has just launched! Check it out here:
www.kickstarter.com/projects/...
(Purchasing a machine through this link will give me a small kickback to help support the creation of videos like these).
Original Carvera review video:
• The BEST 4 Axis Deskto...
Please consider supporting me on Patreon to help keep quality content like this coming: www.patreon.com/TheArtOfWeapo...
Check out my instagram for more updates: / theartofweapons
All music was used with permission from the creator and is royalty-free.
Chapters:
Intro 00:00
Generative design 1:15
CAD modelling 2:21
Thread milling 3:20
Machining test 5:07
Toolpath 6:50
Machining aluminium 7:53
Machining brass 11:56
Results 13:47
About carvera air 14:25

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Опубликовано:

23 июл 2024

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Комментарии : 48

@taow 3 месяца назад

This new machine is a more budget-friendly version of the original Carvera which I have made a video on previously. The Kickstarter for this machine has just launched! Check it out here: www.kickstarter.com/projects/makera-inc/carvera-air?ref=6gy7mj (Purchasing a machine through this link will give me a small kickback to help support the creation of videos like these). Original Carvera review video: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-ffZlPlssL-s.html

@Convolutedtubules 3 месяца назад

Not only is brass a lot more aesthetically pleasing, it feels a lot better than the really lightweight aluminium.

@laser8389 3 месяца назад

The slower shots of the 4th axis turning the brass handle caught the light so beautifully! Oh, and this is some excellent technical work, whatever ;)

@davidpinnington213 3 месяца назад

this channel switched me on to carvera a couple of months back - became aware of Air last week so your calm!! approach on a review of useful project - very timely

@TimothyScotts1 3 месяца назад

Wow this was a brilliant show case for the Air! I loved the thread cutting into acrylic :o and the contours being cut into both the ali and brass looked awesome with all 4 axis being put to use! I've always wanted a CNC mill, but I just wasn't going to commit to a cheap router. I really do believe Carvera has made the right move here and will definitely be on the front line with bringing premium small scale CNC to hobbyists garages!

@zerofox3d 3 месяца назад

Backed! Seems like a no brainer for getting started playing with a CNC

@YsgdSojdd 3 месяца назад

So beautiful, exquisite like a work of art.

@lokkas3637 3 месяца назад

a tip from a machinist, use white spirit as cooling and lubrication for aluminium

@kop1018 3 месяца назад

You've come a long way from making slingshots keep up the good work and your posts

@Steamkraft1 3 месяца назад

Thank you for this Video - just awsom and I am even more happy now that I got an earlybird :)

@darickmyllsap3250 3 месяца назад

This is awesome

@jamesm3268 3 месяца назад

This part could have definitely been done on a 3 axis very easily. Cool to see these desk top mills coming along with their technology. A misting system would greatly help out in place of a flood coolant system. If you klnecked up tighter on your tools so there isn't as much stick out and increased your feed rate and reduced your woc and doc and use more hsm style of milling you can greatly increase your chances of less broken tools and less machining time. Slotting isn't your friend with low rigidity machines high feed endmills are.

@taow 3 месяца назад

True, could be easily done in multiple 3 axis setups, was fun to use the rotational axis tho

@clausziegler5720 3 месяца назад

Excellent!

@TheEvalChicken 3 месяца назад

great job mate :D

@Dapstart 3 месяца назад

awesome vid!

@melom8276 3 месяца назад

great video

@NerveJascha 3 месяца назад

Just checked, I subbed to you channel almost 10 years ago, I feel old now :D

@taow 3 месяца назад

Wow nice one, thanks for sticking with it for so long :)

@amwtm 3 месяца назад

I think you could probably throw this handle into a vibratory tumbler with some polishing grit and take the tool marks off.

@barlpro 3 месяца назад

Hello. What model is your monitor? I can’t find a bright monitor for modeling. Those that were very dim.

@josephchamness9915 3 месяца назад

Could you have a jigsaw blade in one of the bit holders and then use the CNC as a power hacksaw instead of milling all the cutouts to chips?

@scrampker 3 месяца назад

Something tells me the z-axis isn't that fast, and the x/y gantry isn't strong enough either.

@barthanes1 3 месяца назад

This looks like a good part to sand cast first and then finish mill so you're not removing so much material. I'm commenting halfway through, so if you did that, great.

@taow 3 месяца назад

Yeah casting it would be fun, I might try that in the future

@Asnovich 3 месяца назад

Thank you for Air review. Great skills on 4axis. I'm little bit worried now because you said original Carvera is more rigid, accurate and better finishing. Can you please comment or make video where you compare how big difference is between them? I'm watchmaker, it's important to me Always thank you TAOW for you time.

@taow 3 месяца назад

Thanks! Yes to clarify those comments a bit further, the Air has unsupported 20mm rods on the x-axis where the original Carvera uses supported square linear rails, that leads to more rigidity at the tool head. This leads to better surface finish, and quieter cuts on the original Carvera. Both machines have the same ballscrews from what I can tell so the positional accuracy should be nearly identical. I do want to do a test quantifying the and comparing surface finish but have not yet done it directly, I think it should be possible to get very similar results with the air by using more conservative speeds and finishing passes.

@Asnovich 3 месяца назад

@@taow Seems logical. I thought Air new cast frame will fix rigidity but seems not that close to linear rails. As always lower feed will fix it :D Can't wait for comparing Thank you for reply!

@raydavis6245 3 месяца назад

Had you considered the exact same knife handle/files in the original Carvera to do a side by side comparison? I have backed the Carvera Air, and this would be my first CNC, so surface finish to me is important, but if slowing down the feed rates can improve the finish then I am happy for the milling to take longer.

@scrampker 3 месяца назад

@@taow I got in on the air as backer #24, but I'm strongly considering getting the OG Carvera. You mentioned that the OG machine is not made redundant, but I'm curious, if money wasn't really an issue, would you buy the OG machine and also keep the Air when it arrived, or would you personally cancel the Air and just stick with the OG? At first I was mostly concerned with the ATC, but the more I dig deeper, it seems the rigidity is going to be the main issue.

@jondavidmcnabb 3 месяца назад

I have really enjoyed your engineering and machinist growth over the last couple of years. Have you decided you 5 year goal? By that, I mean are you gonna go work for a large CNC shop or apprentice anywhere?

@taow 3 месяца назад

Thanks! I am going to be working as a mechanical design engineer once I graduate later this year

@Jayf1981 3 месяца назад

I just realized it's been ten years! I was 50, and now I'm 60

@taow 3 месяца назад

Haha that is awesome, thanks for sticking with me

@DaveLennonCopeland 3 месяца назад

Yeah, cool looking knife handle. I bet you could replicate that with a coping saw and a couple of files. 😃

@taow 3 месяца назад

Haha would have probably got the job done faster aswell, but now I can make multiples quite easily

@erikm9768 3 месяца назад

They will never be able to sell the original at $6000 after releasing this. No one wants to pay $4000 for an ATC and a inch of more working area

@taow 3 месяца назад

The original machine also uses fully supported square rails on the x-axis so is more rigid, results in quieter cutting and better surface finish/ dimensional accuracy. But yes $4000 is still a lot more to pay when ~60% of the functionality can be achieved with this machine.

@erikm9768 3 месяца назад

@@taow I'm very relieved to hear this actually, until now it looked like almost exactly the same build apart from ATC, laser, work area, vacuum... will still go for the big brother then

@BedroomMachinist 2 месяца назад

@@erikm9768 I've got two, and it's definitely the better of the two. Steppers will never be servos.

@BedroomMachinist 2 месяца назад

And i mean. It's almost ALWAYS on sale, and literally 99% of the people that own one paid sub 5000. Most sub 4500 and once this machine is off kickstarter it will be 2999.

@TonyRotella 2 месяца назад

@@BedroomMachinist How do I access these sub $4500 prices? Used, you mean?

@camous971 Месяц назад

Cavera äh

@ackket4660 3 месяца назад

omg he using a 3d mouse, i hate using those things they are so touchy

@phatpanda3805 3 месяца назад

man i've been watching you for years minus the time you disappeared haha, why don't you just blow this channel up and retire with it. The blade might also be better with a sleeve-style guide to hold it in place (probably worded it wrong) , but I love it regardless. Can I sell these for you, you can make them to order once we work out cost XD

@taow 3 месяца назад

Cheers for sticking with it! Yeah I think it could have blown up if I hadn't taken a break but life got in the way

@phatpanda3805 3 месяца назад

@@taow it still will, your subscription grew without even being active and didn't really drop. Your voice.and content is unique so stick with it :)