Half of a Great Idea

gears one of the fundamentals in Machining that I've somehow managed to completely avoid in over two years in this shop it's not that I'm afraid of them I've just never had a need for them I guess so I'm a bit of a Noob on the topic I mean I've used them and I even know some engineering jargon but I've never made one seems like a simple enough problem to solve but gear Cutters are expensive and there's another problem I like making tools more than not tools so I'm going to be making a tool to make gear Cutters to make gears I'm going to make the Eureka [Music] [Music] okay I think that's nice framing I don't know you tell me I can't see it I said I think it's nice framing okay I am making the Eureka tool Eureka I need to make some gears why because because gears are like one of the last things basic things I haven't done I need to make gear Cutters gear Cutters right but I thought we were making gears you need gear Cutters to make gears an actual thing this is not a gear cutter but it's similar to a gear cutter and there's all these teeth right and so the idea is that you would spin this and you can cut each tooth one at a time around a gear it's called involute geometry involute involute not invalid not invalid is there any reason that the thing that makes gears happens to look like a gear it's not quite the Chicken and the Egg it's more like like the chicken feed and then the chicken and then the egg so what I'm making is the Eureka tool which is a form relieving tool to cut gears this whole thing all it does is cut the relief on the back of the gear Cutters are you impressed it's so impressed you look so impressed okay so we're going to make a tool that does something cool and while it's doing something cool it looks cool and I have the I I should flip to the right page so I didn't have to design it didn't you want to design this not this one there are other things I wanted to design but I like that this one is already designed so that I don't have to design it I don't think I can get it all done in this video I wouldn't want to get to the end end of making this build and then not have time to actually make the gear cut gear gears no to make gear Cutters cuz so here's here's the deal I got to make this tool which is very complicated and then I got to make a cutting tool to make gear cutting tools once I make the gear Cutters I can make gears maybe there's there's still maybe in there if you give a machinist a cookie I don't know what that means but I'll take the cookie terrible with literature references and that's a kids book my love like I said literature ref what book is it if you the B of cookie you're not going to understand what this thing does and how it's moving and what it's doing until it's all together but there is sort of like a sub assembly that sub assembly will potentially make some spinning and clicking noises so that's my goal is to at least okay enough flirting you can do that on your own time let's actually make something first is a short round bit called the indexing sleeve a perfect use for this lengthy piece of 4140 not the most ideal setup for a short part but a Little Help from the tail stock and we're good to go I also just didn't want to spend forever cutting this down on the band saw not a ton of super interesting stuff happening here so here's a tip when turning a bunch of diameters and setups like this I like to zero the drro take a light pass and then measure that diameter then get the tool out of the way and run the cross slide in until the drro reads the same value and zero again now when I back out the drro is reading the true Dimension making it so much easier to whip through all the diameters but that won't save you from vicious attacks from the razor spaghetti speaking of razors I think I'm due for a new look luckily I have hens and shaving to help unlike these murder noodles Henson shaving makes razors designed to cut your hair but not you I'll get more injuries cleaning up the shop than I will from this safety razor and despite what most people think safety razors are not harder to use or more dangerous than the standard plastic multi-blade razors you find at the grocery store when actual aerospace engineers are doing the designing you get a CNC machined Razer made to space station level tolerances literally before Henson got into making razors they made stuff like the ISS and the Mars rover so the al3 has features that you won't find on any other competitor like the wide open channels that just don't clog up or the unique locating pins that better position the blade so you can be sure it doesn't reach out and poke you or the handle that threads against a nitronic 60 bushing to give a smooth and repeatable stopping point and of course The Cutting Edge of the blade is supported way better than any other so you and whoever kisses your mug every day will be happy to say sayanora to your razor burn so skip the plastic the proprietary cartridges the packaging and the shipping cost of monthly saving subscriptions Hensen shaving is here for you with the best and last razor you'll ever have to buy thanks to Hensen shaving for sponsoring this video and providing you my viewers 100 free blade refills if you use the code inheritance at Hensen shaving inheritance or click the link in my description now I think you know what's coming next you ready no way wow hi actually looks really good on you I really like it supposed to be the Tarzan's dad problem is I don't have enough thickness to fill it out so I thickness in other regions to fill anything out though I feel like the guy from what's that movie that show Blackbird the serial killer the serial killer and Blackbird I kept just kind of like it's a nice champer that really doesn't why doesn't that offend me I feel like that just offend me more you're Miss Victoria mom over there likes the old you will never watch fride and Prejudice with me ever no so you like it I do it's getting hot in here figured this one you would either you would love it or you would be disgusted by it it's following the trend line of I like more facial hair as opposed to less yeah yeah well I certainly wasn't expecting that response there might be another hot date in the cards for me until then let's get back to work unless you have a well seasoned acometer you probably can't tell these diameters aren't finished I've left everything about 20 foul larger for some finishing passes I'll get to shortly I've got some work to do on the other end so back in the for jaw to true it up and then facing this down to its final length now everyone knows a good indexing sleeve has a hole in it and as you can see this one's missing its beauty mark so that's next and I'm afraid it gets a little boring here for a second still awake good as a reward let's do something more interesting with all the metal I just removed from the inside things are likely warped and now the outside is no longer true to the inside and you can bet your buttered bench vice I want it to be so we're going to hold this between centers for the Final Cuts I'll Mount the first center in the Chuck and take a pass to true it up then I can pop my sleeve between it and the live Center and squeeze the bees out of it emphasis on the bees friction is all that's going to keep this part spinning with the lathe so this needs to be tight one last turning op is a thread on this end but I've got myself a little pickle here that ain't going to fit and while these words are enough to raise the self-esteem of even the smallest girkin it doesn't help me so let's fix that that ought to do it now these threads should be a cinch to cut I guess I wasn't heavy enough with the bees I shouldn't be able to turn the part by hand like this maybe it came loose or the contact point with the center wore out a bit whatever the case there's no way this can be the first donation to the new box of Shame so I'll give this a grank and another go I didn't get very deep before that little hiccup but I'm still going to try and pick up where those threads left off anyway I can get this pretty close by engaging the thread feed without anything spinning then adjust the cross feed and compound slide until things are lined back up this new set of cut should remove that little boo boo like nothing ever happened that's how that was supposed to go and even after starting at a slightly smaller diameter I'm able to hit the right thread Dimension which just leaves one final job on the lathe the chamfers of course turned out all right despite the blender let's finish this up on the mill there are 12 equally space notches around the outside perfect job for the rotary table and Chuck but that's a whole bunch of setup that I'm not keen to do so I'm going to keep this simple and just use the call it block The Notches have a convenient 60° angle so a dovetail cutter is the obvious choice and positioning is just a matter of getting touches on the top and side perimeters then letting a rip and rotating the collet block between passes now you might be thinking to yourself won't that only make six notches and you would be right so after the first six I'll change how I'm clamping the block then La the rinse and repeat lastly our pair of wrench then a final spot face that will make sense soon Top Notch work wouldn't you say nice next up are some fastening bits which I'm going to make out of bronze for no other reason than it's pretty this hunk already has a hole poked in it so that will save me from poking my own this first piece is just a ring so after facing turning and boring I'll pop some champers on here and part this off the ring isn't finished but I want to go ahead and whip up the nut while I'm here most nuts are threaded and this one is no exception so after some chamfering I'll switch to the thread cutter to make some clearance at the back of this boore then cut the thread to a perfect match with the indexing sleeve nailed it or should I say screw oh that's why we don't say that okay anyway after parting this off I'm left with two rings that I somehow need to hold to finish up the other sides luckily I have this Exquisite specimen of high Purity polymeric fixturing medium perfect for a quick and dirty mandrel I've gotten used to the razor spaghetti but these chaos noodles well they's something else after equal parts cutting and detangling the first ring presses onto the mandrel and then it's a simple matter of finishing the other side the trick now is getting this off of here easy enough with a boring bar to remove almost all the material and then a hammer after a slight modification to the Mandel the nut is a similar deal back on the mill the nut gets its second most useful features some wrench Flats then a set screw hole is popped in the ring all right that's two fancy bronze Parts whipped up let's fit them together the spot face I added earlier is for a set screw that goes here and if you weren't aware if you leave candy in the shop for long enough it becomes Hardware I'm going to go ahead and say the bronze was a good choice next I'll work on the so-called anchor plate and looky here the perfect piece of stock already squared up and build the size how convenient I guess this means we can jump right into the fun stuff after locating the part I'll spot drill a few hole locations that really just won't make any sense until later so this first one is a threaded hole for a pivot wiy then a reamed hole for a pokey pooki a slot is milled for the slidey glidey in this last hole that even my girth as drill can't satisfy so I'll bring this guy in to settle the boore after a little sketchy with the boring head insert I can also pop some chamfers on this big guy then of course everything else gets this treatment as well looking pretty sharp or not sharp actually I guess that was the point okay I'm done despite my complaints before I can't avoid the rotary table for this next round of operations and yes I really did move this thing twice just to get this sequence I'm going to start with the big honken radius around this boore and to get it centered up I'll use the coaxial indicator like I did to locate the table then grank the bees out of the clamp so this sucker doesn't try to run away now I just slap this on here so there's no chance it's actually Square to anything but it's easy enough to tram with the indicator by rotating the table and resetting the zeros on the perimeter scale and the Hand wheel dial one last thing the book drawings don't give much in the way of angles so I whip up my own CAD drawing to get what I needed to know now I can already hear the bajillion of you screaming at the screen that I shouldn't be climb Milling like this and I know I know but I have a reason if something is going to move I wanted to move away from the cutter rather than get pulled in and scrap the whole part fortunately the groning I gave the clamps made this a non-issue after swapping to a finishing Mill for the final pass I'll pop some proper sexy chamers on here before changing setups seriously how are chamfered rounds so satisfying the next setup is for this long skinny end so a gauge pin helps me locate the end of the slot then some more naughty naughty bad bad climb Milling at this point most of the rest of this is just decorative actually all of this rotary table work is decorative this piece was technically usable right after making the holes in the slot but if you thought I was going to stop there you certainly haven't been around here long enough to know the lengths I'll go to to make a nice Corner round no matter how small only downside of more setups is more chances for mistakes like this little guy that I somehow miscalculated so back to the first setup so I can take care of that this looks fantastic this side anyway I still have the whole other side to chamfer and despite my harping on earlier I'm not particularly thrilled about doing all those setups again thank goodness for die Grinders hey I can be pragmatic when it's convenient for me besides hard to even tell the difference now there's one last feature on this part that I almost forgot for got about a couple of 440 threaded holes in this side all right that's most of the big hariry pieces taken care of so now let's work on the little hary paws not those this the ratchet paw and you wouldn't believe it another perfectly sized piece of A2 tool steel for the job how forus let's dive right into the holes the Paw itself actually only has one but I need three for this to all come together the other two will make sense after I counterbore this one with none other than you guessed it the boring head now let's make this Square less so another job for the rotary table first is a straight cut at 20° that technically doesn't need to be made on this rotary table but it conveniently uses the same setup as the first rounding operation and of course I put together another quick drawing to fill in the missing angles from the book next is a job for these two or well now it's 1 and a half holes i m this one away slightly but it will still serve the purpose of locating the part so I can cut the outer radius something Ain right if all my math checks out these two curves should have Blended together perfectly nothing like this piece of dooo but I'm now noticing that this first curve we cut doesn't even look remotely centered on the hole that's around so it seems I either Bon the setup or it boned me whichever the case I know someone who appreciates a good bone okay let's try this again no freaking way another prepared piece of stock and this one even has the holes in it I probably should have looked a little harder the first time and saved myself some work at any rate it means I can more or less pick up where I left off and this time we'll go heavier with the clamps and lighter with the cuts that's how that's supposed to look The Last Arc is the inner one which means clamping spots are sparse but manageable all right after a lick with the old grinder the ratchet paw is done so now for its mounting screw I wonder if yeah it was a long shot I guess I'll have to make this one should be a licky split job though since the ratchet paw still needs to be able to to spin this is going to be a shoulder screw so one diameter is for the head a smaller one for the shoulder and then the last is for the knees and toes oh wait wrong audience this is for the threads and once again the Hemingway tool is sent to me by my friend Eric come in clutch no literally this clutch die holder is perfect for making the threads and then this rotary brooch pops a nice hex hole in the other end of the screw bada bing now this just goes in here and bada boom looks like I got all the dimensions spot on too since this is able to spin in so now we're just one small component away from some glorious clicking noises I'm going to need a spring which starts with this plate and while it's not the finished thing it's at least at the right thickness this gives two tiny mounting screw holes then I can mow it mostly to size I say mostly because now I have this little nubbin to clean up but just like the last small part work coding is a little tricky I can't use my normal parallels because they have the same thickness as the part and I wouldn't be able to clamp them luckily my late grandfather forsaw this exact issue of mine 30 years ago when he bought these wavy parallels a bit of an oxymoron but they're still parallel how they need to be and we'll let me grab onto the thinnest of Parts like this pretty exciting to have just the right tool right when you need it so exciting in fact that I forgot to record Milling away the nubbin so just enjoy the drilling of this teeny tiny hole all right there it is the spring what I mean it's technically has a modulus of elasticity so it would do spring things but not at the order of magnitude I need good thing I have some spring wire okay now it's a spring and after throwing a couple of screws and this Dow pin in here we're ready to make some clicking noises oh that is too good I know someone who will appreciate this as well did you make something to show me I made something it's show and tell time show and tell time okay our favorite time of the day okay pretty you're damn right it's pretty uh-huh oh that's a proper ratchet right you have a spring yes very nice cutouts yes approximately 12 of them they're notches notches two sets of Branch Flats yes very nice yes very nice looks very good that's all I get wow thank you there you go you did it awesome this is 50% of the way through the project and uh oh about this much more to make of different pieces another ratcheting mechanism so there's double ratchets oh my gosh we're going to get two clicke clicks yeah it's going to go no ball busting you got nothing else what about this I hate it you you do hate it now yes it looks better when I cover up the bottom half of your face you bring out the pterodactyl in me I think we're tired we are tired it's been been a long project not really shut up it's been a project but it has not been a you're interrupting okay yeah okay so it may not be a finished tool but I held up my end of the bargain it does the spinny and it does the clicky and it ended up looking pretty spelt in the end too but I needed to do more than just look fancy and make noises albeit very satisfying noises tools after all do jobs so stick around for part two of this build where if all goes well I'll finish this bad boy make something with it and maybe even feel compelled to shout Eureka as always thanks for watching and see you next time [Music] hi sweetie hi Pooky bear hi pumpkin no okay so I want to see your curly keys please keep your pants on though those are a very nice color a $5 chip cuz the bronze I used is really expensive well I got this for you will you come and get it you got it for me no you pulled it out of the garbage for me I feel so special oh I'm kind of way back here no no just a little bit come forward when you say Back That Ass Up I this sounds like a very complicated thing that's going to require you to be in the shop until 2: a.m. to complete when's the last time I've been into the shop until 2: a.m. uh 11:00 p.m. so your answer to when was the last time I've been in the shop until 2:00 p.m. your answer is 11:00 p.m. boxy knows what I'm talking about technically you were in the shop with me so and if I hadn't been you would have been in the shop until 2 a.m. so there

Channel: Inheritance Machining

Views: 491,207

Keywords: inheritance machining, inheritance, gears, gear manufacturing, gear hobbing, eureka, bronze, ratchet, involute, notching, lathe, lathe machine, milling machine, bridgeport, rotary table, forming, machine shop, machining, machinist, machine, machine learning, funny, puns, satisfying, do it yourself, storyteller, maker, cathartic, engineering, youtube, asmr, dad jokes, chamfer, chamfering, mechanism, eureka tool

Id: qGsQl4FQFbQ

Length: 26min 34sec (1594 seconds)

Published: Fri May 10 2024