Re-Machining the SCRAPPED AK-50 Hand Guard for

We had to CNC Machine Scrapped Parts that were shipped to @BrandonHerrera for his AK50. Brandon came to us to make the replacement part. Using the 5 axis capabilities of DN Solutions DVF 5000 our team was able to work on programming out this part with its many features.
0:00 - Re-Making a Scrapped Part
0:24 - Brandon Herrera’s AK50 Scrapped part
1:51 - Disclaimer
2:26 - Material Roughing, Chain Drill, and Dovetail on DN Solutions DVF 5000
3:42 - Preparing Schunk Vise Jaws for next OP
4:20 - ID operation using long tools
5:13 - Machining Chatter
6:13 - How to Stop Chatter
7:35 - OD operation
8:57 - Form Tool for the Picatinny Rail
9:29 - Feature operations for the AK50 Handguard
10:26 - M-LOK Accessories
11:17 - Solidworks and Mastercam explanation of hard to reach feature
12:23 - Haimer Shrink Fit Holder
13:13 - Lollipop Tool
13:51 - Tabbing Operation
15:29 - Mitutoyo Measuring for Machining Crush Block
18:16 - The Last Machining Operation
18:48 - The Finished Handguard
20:03 - Checking the Features that Brandon Pointed out
21:26 - Become a Member our YT Channel
22:13 - Barry Delivering the Part
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#Machining #Machinist #Engineering #3DPrinting

[@BrandonHerrera]

Another beautiful piece from Titans, can’t thank you guys enough. The difference in quality between the original part, and the one you gave us was like a work of art vs a Wish.com version of our CAD model 😂

[@legofreak88884444]

Show both side by side before final assembly

[@goofiestofahhgaming1072]

@@legofreak88884444 he needs to make a video on it

[@inthefade]

Hey are you that AK Guy I saw beat the shit out of that guy?

[@biem7091]

poop

[@kilnier]

@BrandonHerrera The vertical slot intersects with two M-LOK slots creating a pretty big cross shaped hole. Why didn't you go for a half M-LOK for those specific slots instead? That would give more rigidity to the part and IMHO a more refinished look

[@ChefurCustom]

I'm one of the guys that designed this part. It's very much a prototype, and we know full well it's a nightmare to make. We painted ourselves into a corner with how this part interfaces with the already made parts of the AK-50 and there wasn't much simplification that could be done on this revision. I apologized to the Titans team for giving them such an engineered part and I think I could hear them chuckling at me through the email. Thanks again Titans. I thought for sure you guys would throw it back at me haha

[@Jessie_Smith]

Don’t apologize for designing an awesome part. You did an amazing job on it bro. It had its challenges but there wasn’t anything on it that wasn’t able to be machined. Almost anything can be made, it just depends on what kind of money you want to spend on it lol. Thank you and the team for allowing us to make this part for you as well as the other ones. They have been very fun. This one was my favorite that I’ve done so far!

[@ydin9]

So why did you make it one solid piece instead of an interlocking 2 parts? Like, shits cool and amazing to see something so complicated done by milling, but your like making a prototype still and slotting for 3rd party parts. This shit can still blow up in the next cycle test. Talk about going on a date and paying the taxi home, and booking the chappel before you order starters.

[@Skwisgar2322]

Design for manufacture on such a complex thing like the AK50 is probably the hardest part. It is easy to draw up something in cad that will work, it is much harder to actually make it sometimes.

[@bradleypinto1153]

Where AK-50

[@inthefade]

@@ydin9 I'm also curious why it was done in one piece. There is probably a good reason... Even if that reason is "to make great content with Titans of CNC", I'm here for it.

[@History_Buff]

That moment when ToCNC post more AK-50 Update videos than Brandon

[@Jessie_Smith]

Lol maybe he will see this and say “challenge accepted” 😂😂

[@jestonporter685]

😂😂😂

[@fury-cd9wr]

Right😂😂

[@myyoutubename1756]

Pulls in more views for his channel from Brandon's smart idea

[@kevinspacey5325]

no sht lol

[@gcs8]

I am so glad the Titans team and Brandon's team are working together still. I hope it is a long and mutually beneficial relationship for both parties.

[@Jessie_Smith]

We are too! It’s been fun doing these parts for Brandon. We are thankful for the opportunity!

[@alextatkin1026]

Meh, theres a lot more capable shops in the US, more deserving of the work.

[@aj7utu]

I wish Titan would reject this kind of work. John Saunders’ operation, ditto.

[@barrysetzer]

@@alextatkin1026 NAME one and why, LOL. Oh let me guess, the little garage shop youre in with your 3 axis hobby mill. LMAO

[@shadow_stalk]

the banter between barry and jesse is just the icing on the cake! i think we all have those kind of buddies! great vid guys, amazing work!!!

[@Jessie_Smith]

It is a lot of fun working with people you can cut up with like that. And Barry just supplies endless material to give him a hard time about 😂😂

[@sunny3545]

Jesse we gotta mill, Jesse

[@elijahgreenberg2634]

I think a video on chain drilling and plunge milling, which at least seem similar in terms of thought process, would be very beneficial!

[@mrshort2379]

Personally I really enjoy watching any machining that is Firearm related, especially newly designed parts, triggers, receivers, bcg's all from scratch

[@Jessie_Smith]

Me too. I love to see the innovation and the artistic characteristics that people put into firearms and accessories.

[@armorers_wrench]

Get a copy of the Machinery's handbook(tool box edition), take a solidworks class, and get to work then! ;-)

[@1SmokedTurkey1]

@@armorers_wrench if only it were that easy lol machining is super hard. Specially manual.

[@armorers_wrench]

@@1SmokedTurkey1 Pretty easy with a DRO.

[@Zeb-bk3cl]

Disclaimer, I am an old tool tool maker, but I remember my master telling me listen to the tool. It will tell you what is going on. Whether manual matching or CNC machinist it is the same basic concept. Titan is the man and I really enjoy watching you guys. Good work with a very difficult part. Keep bringing the difficult jobs. Amazing.

[@americankid7782]

At my work we have an issue where a machine crashes and because the operator decided to have earbuds or headphones in, he completely missed that the crash happened in the first place. It’s fun.

[@steelwolf4259]

I, on behalf of Brandon’s community would like to say that we appreciate what you guys do for Brandon

[@LifeonWheels]

Im a simple man, I see anything ak-50 I watch. Especially from Titan!

[@russ-techindustries]

Man you can’t do Trevor like that! He makes some of the coolest vids!

[@Jessie_Smith]

Lol poor Trevor catches it from all of us. 😂😂

[@justinperry3791]

This man just said one of the key things in machining/ fabricating parts as a company NEVER allow a bad part to go out to a customer it is an absolute MUST to have top notch quality control process

[@samgreen43]

Very impressive. Learned alot about dealing with chatter. If Brandon ever productionizes the AK-50 it's going to have to be a completely different design. But he'll figure it out.

[@Jessie_Smith]

Thank you! There is definitely some design changes that could happen to make it more manufacturable on a large scale. But also if we had a large number of parts we could optimize the programs, tools and workholding as well.

[@SL4PSH0CK]

True, seeing this as a big step for the design when it comes to that

[@dwayne7201]

I'm thinking the simplest solution would be to make it out of 2 different parts.

[@kingkarlito]

​@@Jessie_Smith stop lying! you have to know it's never going to happen even at a scale of 1 by brandon. it's obvious brandon is a talented filmmaker/performer, but the dude can't design the ak50, he's been spinning in place for years at this point. just stop pretending and make cool videos.

[@Jessie_Smith]

@@kingkarlito what an idiotic comment. He has already made an AK50 that has fired and likes only one more piece to the latest design. Which took months for him to get and it was wrong so had to go to another source. Brandon doesn’t have an infinite amount of money to throw at developing something like this so it is naturally going to take time. And in case you are completely blind, watch the video and you will see we are MAKING THE PARTS FOR THE AK50 so nobody is lying to anyone. And so what if it takes him years to develop something that has never been done. It’s HIS project, not yours. Now why don’t you stop sitting there criticizing others for doing great things and go do something productive yourself. And if you don’t like what you see then feel free to not watch it. It’s that simple!

[@mischiefmachinellc]

Buy the key cutter, time it in a holder after you grind half of it off, and then you can fit it in. Have to run it slower but then you don't have to waste time 3d milling with long reach tools. Alot of new machinists don't like grinding custom tools but man it saves so much more time.

[@10010110100102Error]

depends on a number of factors, including the amount of parts and whether or not you can try out something on such a prototype that you couldn't as easily in production. overall you're right, though, but creating specialized tools is something that's rarely taught nowadays anymore, let alone the knowpedge on the manual machines that are usefull for this. tool and cutter grinders, like the old deckel ones, that are more than just a dbit grinder are a rare beast to see today.

[@barrag3463]

@@10010110100102Error They may have a tool and die guy who knows, but like you said in the beginning of your comment it probably wasn't worth the material and man-hour cost to make the one tool for one operation on a one-off part; it'd also increase the amount of time needed to fulfill the order. So, they did the sensible thing and instead of presenting the customer with a compromise that'd increase operations, time and cost, just for a single one-off tool for a single one-off part for a single operation, they offered a solution that could be done quicker with an already existing tool without increasing the amount of operations or projected man-hours.

[@MJPilote]

You can get one tooth cutter inserts for sandvik Coromill groove tool shanks for this kind of stuff. Just need to index them to clear the slot. Have used them back when I used to work in a cnc proto shop. Made some interesting optics frames.

[@mischiefmachinellc]

@@MJPilote yeah I love those. I used to just take a cheap moon cutter to the manual grinder for five minutes and turn it into those , but the new adaptive holders make that SOOO much easier.

[@joshmdmd]

i think he meant the dia of any cutter wouldn't fit through the slot. I would just run it with the holder and no tool so its lower than where it should be, and then just insert the cutter pressed up against the stock. then the program can move down start the spindle, feed up and then cut the feature, drop out, program hold, operator removes tool, program goes to next location and so on. not worth changing design with the customer, and the calculations seeing if a long tool can reach and have clearance.

[@nilsEKH]

What an insane Part - Jessie's is really a master of 5axis - So inspiring!!!

[@Jessie_Smith]

Thank you! Glad you enjoyed it!

[@chadkrause6574]

Good for you for showing how you can communicate with the engineers to help make the part more manufacturable. Often times engineers don’t realize what’s possible and not possible

[@user-si2ow2mv9e]

What an Amazing video… anyone who watches this whole video to the end will learn some incredible 5 Axis process. Truly shows the brilliance of 5 Axis machining. Great Job Jessie… also Tyler. Great job on the filming and editing etc. Love that shot where you start explaining the process.

[@beachboardfan9544]

Best series on this channel!

[@brenthamby2155]

1 step closer to the AK 50!

[@tilakchandra7393]

22:25 can u give the 3D model

[@editman145]

Your show gives my old heart something to tick for !!!!! 🧡💛💚💙💜🤎🖤🤍♥💟💕😍

[@Tunkkis]

​@@tilakchandra7393 I doubt it's theirs to give.

[@geraldholt2755]

I get more AK50 updates from the guys without an FFL. Thanks for the great content guys! Glad Brandon became a client of yours.

[@paracydic7416]

Honestly shed a tear at the end for such a beautifully made part.

[@trevorgoforth8963]

Great work Jessie, that part certainly had some challenges! This thing is going to look beautiful on the 50! Love the editing too!

[@Jessie_Smith]

Thanks Trev! I can’t wait to see it all put together!

[@hamzanawaz7945]

@@Jessie_Smith What is chaaaaaaaain drilling?

[@poopypantsroo]

Great work Barry. The high levels of detail required for the delivery of that part to the customer were exceptional. I guess Jesse did pretty good on the project as well.

[@barrysetzer]

Thank you! Its a full time job making sure jessie puts out decent quality.

[@russellofcnc]

The mills are alive with the sound of cutting chips!

[@christophervillalpando1815]

Great Job Jessie!

[@SmokingMan26]

Wow the timing, was just talking to my brother about you guys because he likes Brandon's videos lol

[@reidpath]

The way you do the relief behind MLOK slots without having to modify it like you did is to use a two tooth/flute t-slot cutter. You use M19 and align the spindle so the two teeth fit in the slot length wise, feed below the wall, then you start the spindle once you are below the wall. Once you are done, you stop the spindle and, align with M19 again and pull the cutter out.

[@ChefurCustom]

We designed it to be done manually by dropping a keyway cutter through the hole and then grabbing the shank on a Bridgeport - a bubblegum fix for our nightmare part. The way you just described makes a ton of sense - I wasn't even aware a 2 flute T slot cutter was a thing.

[@nh18343]

I've seen that done before on something similar. Definitely a clever solution to the problem.

[@zachbrown7272]

that's friggin genius.

[@Jessie_Smith]

That is a very good idea. I was looking for a solution like I used in the video because of the small fillets in the corners. I knew any key cutter type tool that I would use would end up basically putting a full radius on both ends of the slot and I wasn’t sure if that would be acceptable. I was trying to find a solution that would machine the entire flat surface as close as possible to original design. I’m also wondering if this machine has the ability to program multiple M19 positions or if it is an option. I know some machines I’ve ran in the past it was an option. Thanks for the reply and the input!

[@MrEglisau]

When you dont know this trick you shouldnt operate a cnc machine. Thats first year apprenticeship stuff.

[@pjtothek7420]

Hot dang. That handguard is excellence in physical form.

[@NEConforti]

Incoming AK-50 update. Sick!

[@TylerTITANSofCNCTippit]

Trevor jaws are my favorite:)

[@trevorgoforth8963]

Touché my friend 😆

[@neino36]

I can't bring myself to call it a part to spec. From the way you've presented it, That was a work of art.

[@travisjarrett2355]

I would keep my hand on that Barrett till y'all collapsed 🤣! Just kidding; great video Jess and company. Lot of really good info there wrapped in a really cool project. Really enjoyed it.

[@jeffwoody8148]

Absolutely beautiful. Rank this right up with Old Yeller as a time a man is allowed to cry.

[@heathbecker420]

Nice job guys! Brandon gets the part he needs and you all get to show how a complex part is machined the proper way. Also the roundover on the internal pockets for the M-lock is probably better overall anyway as it would reduce stress risers from sharp corners.

[@johnharrold163]

Right there is why I love being a machinist! Just wish I could get a chance to do something like this. Top job Jessie. 👍

[@CMDRRZulu]

Whoever is editing your videos, that bit arm change was smooth AF i really loved it.

[@kr2008fan]

@Titans of CNC, thank you! As a young entrepreneur and industrial designer I found this video to be instrumental as I prototype parts for a fire rescue tool. The problems you had to solve to make this part are very closely aligned with the manufacturing problems I'm currently working through.

[@RichFife]

That's fawking BEAUTIFUL!!!

[@TysonGilroy]

It’s a surprisingly tricky part with all the thin walls and long tools but it came out great! Great job Jessie

[@TITANSofCNC]

Hi Son😁🙏🤙

[@xxDarkDragon15xx]

Great video, would love to see a video on chain drilling

[@TheAthooper]

I could watch CNC machines work all day

[@equilibrium9272]

Thank you guys for this great video.

[@Jessie_Smith]

Thank you for watching!

[@SR-ml4dn]

I would sneak in a small Titan logo on that gorgeous part 😁. Thanks for the video, love the detail about lollipop tool for deburring.

[@nebstarthegamebuster1879]

I just wanna say thank you for putting not only the Impirial numbers up but converting it to metric and putting the also up. As an European who loves your videos I think this is a really helpful gesture

[@archstanton3931]

I'd have never guessed the effort it took to make this part come into existence. Hat comes off to you.

[@alexbuilds706]

Awesome work guys! Love seeing you work w/ Brandon H. Only team for the job imo... 💪

[@davecox8922]

So sick. This project is insane, can’t wait to see the end result!

[@ibtgb2]

I’ve never heard of this channel until this video cause I like Brandon Herrerra’s channel but I’m definitely subscribing cause this is super freaking interesting and amazing work you’re doing so your collab worked for at least me in getting in subs.

[@kw2519]

I was anti mastercam for years. But since sandvik bought them, they’re improved in soooo many ways. Their 5axis options are so much better now and the addition of vericut is a huge help

[@mattgood5254]

Awesome work as always gentlemen, I would love to see that video on chain drilling Jesse

[@Jessie_Smith]

Thank you! I will be doing it soon!

[@stephencarter3713]

Awesome vid, definitely would love to see more on chain drilling👍

[@Jessie_Smith]

Thanks for the feedback!

[@sportswolf1]

Very impressive Jesse!

[@Jessie_Smith]

Thank you!

[@seabas12]

Thank you titans for the part now the ak 50 prototype can get back on track thanks again

[@norandavis856]

You could have used the picatinny rail to do the second op. Mount a rail clamp to a machined block, mount that to the picatinny rail, and clamp on to the solid block. It should be plenty rigid for the second op.

[@Bobis32]

you could have but when you pride yourself on precision crush blocks are the correct choice

[@beckoningjinx1119]

I was thinking the same about using the picatinny rail, but I don't think it has enough meat to keep the chatter down when roughing the inner and bottom portions of the part. It still had chatter issues when biting onto the wider dovetail.

[@arantisdavis1623]

Harmonics might play an issue with the thin sidewalls of the piece. Probably would have resulted in the part having the harmonic issue instead of the tool.

[@CertifiedSunset]

I don't think it would be enough material for such a large piece, grabbing the biggest chunk you can with the most surface area for the vice block to grip was the better choice IMO.

[@blt2253]

Awesome video would be very interested In chain drilling

[@Jessie_Smith]

Thanks for the feedback!

[@Emma__Smith]

Not the crossover I was expecting, but the crossover we needed! Two amazing channels

[@yoyomatafaka]

the sheer amount of skill and knowledge you guys have is amazing

[@Tunkkis]

Always a pleasure to see two of my interests intersecting, namely machining and guns. In fact, my introduction to your channel must've been one of the AK-50 videos. Instant fan.

[@Jessie_Smith]

Thank you! We are glad you found the channel. Thanks for watching!

[@jeremymatthies726]

Oh, the shade thrown on a sunny day 🤣🤣🤣. That was a very cool part, loved seeing you asking for help when things didn't go according to plan. Never be afraid to ask for help when things aren'tworking out correctly.....something I struggle with even when playing video games 🙄🤣.

[@Jessie_Smith]

Thank you. I will never tell you I know it all and I will never act like it. The moment you stop asking questions is the moment you stop learning

[@CptManboobs]

It never ceases to amaze me how advanced manufacturing has become in the modern world.

[@fantasm0-]

Props to the editor of the clip...kept my attention the full time. Well done.

[@Sara-TOC]

Great work team! I’d appreciate seeing a video about chain drilling! 🤙

[@jacka1472]

I love cnc ❤

[@wheelsnmore]

Please, please, please do more videos that follow a customer part thru the whole process like this one. I'd like to see even more of the setup and planning to help guide our shop. The trials and tribulations, and how you respond to them, teach the rest of us how to continually improve. Plus, this was a cool part!

[@georgehubbard6876]

The craftsmanship involved in milling this part is incredible! Excellent work, men

[@xmartins2638]

Nice!

[@piratiniwood547]

Well Barry, then i think Jessy had just a lucky day that the part came out without shatter marks 😂 Awesome job on such a complicated and fragile part. Programming is one part, strategic clamping is an art on itself...... Well done 👏

[@Jessie_Smith]

Thank you! I definitely got lucky. But I did have some expert help with Titan around 😉

[@TeflonDave]

That's absolutely gorgeous. I'm genuinely proud that we have craftsmen like this in our state!

[@ethanbarnes3973]

Thanks for helping the ak 50 get done. Its only been 5 years i have waited!

[@pvtimberfaller]

I about died when he threw the part across the room😅

[@Jessie_Smith]

Lol. We all know someone that would do that and still ship it 😂😂

[@aintdatsnipes177]

The real trick is convincing (DOD) someone to pay $10k for a hand guard.

[@Jadg.pz.kpfw.CC64-2M-Jumbo]

FOR KING AND FOR COUNTRY WE ARE BUILDING THE FIFTY! FOR SEEING THE AK-50! BUILT WITH PERFECTION!

[@mysteryy234]

It's literally a work of art! This was beautiful to watch!

[@J1mston]

Got to say that this video has left me impressed with MasterCAM. When I used it it was a very bare bones and basic bit of software but looking at it now and it looks like a proper tool and a solid bit of kit. I'd love to see how it compares to NX which is what I use at work.

[@TheMoronTrio]

Mastercam is my favorite cam software for sure and it’s king for our Haas machines and 5-axis fanucs. But our 9-axis Siemens controller, all it wants to do is send the spindle through the part for simultaneous 5 axis machining. Nx still is better there. All the more reason to stay versatile in your trade though and to keep adding to your toolkit.

[@TeSolycMandalor]

We already scolded Brandon for not going with you guys on this part from the beginning.

[@TITANSofCNC]

Thanks Bruh… It’s like… You want Perfection? Or do you want to wait 3 months for scrap? 🤔 Just playin… but ya… That’s pretty much it. 😁😁😁

[@TeSolycMandalor]

@@TITANSofCNC it only makes sense. 😂 Impressive first operation.

[@lipo9499]

so nice of you guys to make parts for congressman Herrera

[@derbaer1302]

Crazy part, nice job

[@Jessie_Smith]

Thank you!

[@xinmingzhang5340]

工艺的安排真的是太厉害了

[@alessiosuppo561]

What is KZbin smoking? For whatever reason it keeps unsubscribing me from this channel.

[@Sara-TOC]

This is disheartening for us to hear, but we’re glad you brought it to our attention. It appears to be a bug that has not been adequately addressed. KZbin sometimes treats people’s accounts as if they are bots. 😞 We genuinely appreciate you and your continued support throughout these frustrating moments. 🙏🙂

[@Sara-TOC]

Please send me an email at [e-mail] 🤙

[@saskmuddinatv]

Its crazy what a $300,000+ machine with a competent group of operators can accomplish. Nice work!

[@editman145]

Your show gives my old heart something to tick for !!!!! 🧡💛💚💙💜🤎🖤🤍♥💟💕😍

[@offroadinfidel1916]

Thank you for showing how much work goes into making something. It is not as easy as it looks. People don't understand how much math is involved in this. What is a shamfer? We create chamfers. You made the part in one set up consisting of multiple operations.

[@ProjectShopFl]

Awesome job, that 5 axis is incredible! 👊💪

[@Jessie_Smith]

Every time I have to go back to a 3 axis I’m like 😩😩😩

[@smashallpots1428]

stuff like this is why youtube beats traditional TV hands down every time

[@gaber9290]

The best channel I’ve ever came acrosss. Super underrated

[@Namegoeshere-op9hg]

Just incredible. Much of the luxury we have as humans comes from brilliant machinists.

[@iPsychlops]

Watching this was awesome! I love watching the integration of your knowledge with the capability of the machine as you know exactly what you need to do in order to get certain features into the tool, especially difficult things like the radius pockets inside the M-lok.

[@jasongarland3165]

Watching these machine run is almost hypnotic at times. It's amazing what you guys do

[@jgom4674]

Wow. Amazing work guys. Amazing

[@pekkakoski6595]

"Craftmanship. Right there." That is what this video is about. CNC is an artform.

[@English001]

Wow!! Thing of beauty!!!! Well done 👏🤟🇨🇦🇨🇦🤟

[@Jessie_Smith]

Thank you!

[@mikewilliams1782]

I’ve been watching both channels for a long time, seeing the colab has been delightful!

[@The_Slavstralian]

Something mesmerizing about watching machining especially when its done well.

[@francobuzzetti9424]

i like how you guys teach everything you do as if someone would really do this on their own

[@romankoldeway5221]

That was awesome

[@patriot5.56]

Absolutely beautiful handguard! Well done Titans!!

[@ThatCapnGeech]

This is the kinda content I used to watch on Discovery channel. I find machine work extremely intriguing and satisfying. Keep up the great work guys.

[@everything-narrative]

Five-axis CNC machine, the latest and greatest, used alongside gauge blocks -- an invention over 120 years old, unchanged ever since, and one of the foundations of modern precision machining alongside the surface plate and the micrometer screw.

[@matthewf1979]

It’s a work of art and executed perfectly!

[@Kaptain13Gonzo]

"Over engineered". No friggin' kidding. That is a piece of art. Understanding what the tool, machine and computer are doing is the real difference. Watching the internal slots be machined with the tool and part all rotating simultaneously and hearing a uniform tone of the tool cutting was amazing. First class work. 24 minutes of machine pr0n! love it.

[@Blue-cq2hl]

I work in part of the process of metal production and it's amazing how many moving parts there are that can scrap something. I love this stuff.

[@kw2519]

Titans input was spot on. When I’m doing with harmonics, less of everything is usually best.