Mini Lathe Radius Cutter

  Рет қаралды 77,756

Mat's Workshop

Mat's Workshop

5 жыл бұрын

Hi, in this video, I explain my design of a radius cutter for my mini lathe. I also go through all the steps of making the different parts and I assemble them together.
I hope you enjoy! Feel free to comment, and please subscribe!
If you want a complete 3D model of the lathe, the tool and the DRO installed, please visit my Grabcad page here: grabcad.com/library/mini-lath...
You will also find details for this turning tool here:
grabcad.com/library/mini-lath...
Thanks!

Пікірлер: 45
@YooProjects
@YooProjects Жыл бұрын
I like your style man. Great video
@gagasmancave8859
@gagasmancave8859 5 жыл бұрын
Mat you are the man , i have been trying to work out how to do the blueing of steel
@alanmaughan7968
@alanmaughan7968 4 жыл бұрын
Very nice work, well done.
@mauriceescorza7786
@mauriceescorza7786 3 жыл бұрын
Excelente trabajo ,muchas gracias
@asewamu
@asewamu 5 жыл бұрын
That was amazing! Nice attention to detail!
@asewamu
@asewamu 4 жыл бұрын
@Barry Manilowa you can always post your own version if you're so against his.
@matsworkshop566
@matsworkshop566 3 жыл бұрын
To me, machining is, like many things, all about compromise. The wise way to work is to not waste my time with an indicator if I do not need to be very accurate. As for the vise, just like the machine itself, I purchase what I can afford, and I prefer a cheap vise to no vise at all...and no fun! I did get a better vise later on, but i still enjoy the versatility of this cheap one. I indeed use it more on my drill press now, but I still enjoy it. Thanks for watching!
@ilsoncsantos
@ilsoncsantos 5 жыл бұрын
Legal camarada, parabéns! O bom desse modelo é q ele faz convexo e côncavo também . Muito bom, parabéns.
@wm210v
@wm210v 3 жыл бұрын
Отличная идея!
@matsworkshop566
@matsworkshop566 3 жыл бұрын
Hello everyone! Thank you all for the good comments! I haven't posted anything for a long time. I bought my first house last year and this has been a pretty involving project so far. I hope to be able to setup a new workshop this winter and post new projects soon! Sorry for not answering all of your comments. I will come back to this soon (better late than never!) Stay tuned for more!
@ralphkai9078
@ralphkai9078 2 жыл бұрын
instablaster
@daniloagostini4156
@daniloagostini4156 3 жыл бұрын
Brilliant!!!
@grumpyg9350
@grumpyg9350 3 жыл бұрын
Fun to watch👍👍👍👍👍👍👍
@JackT9595
@JackT9595 5 жыл бұрын
Fantastic video Mat! I've just subbed and hope to see more videos from you soon
@matsworkshop566
@matsworkshop566 3 жыл бұрын
Coming soon! This winter i hope! Thanks for whatching!
@mauriceescorza7786
@mauriceescorza7786 3 жыл бұрын
Merci , de bon trabail
@windsurfer3329
@windsurfer3329 2 жыл бұрын
I love your craftsmanship, but I am not sure if aluminum will hold up in the long run. Have you been testing this piece a while? Take care.
@michaelswilliamson2825
@michaelswilliamson2825 4 жыл бұрын
Great work! I am looking for dimensions for this project. I have found your GrabCad drawings and they are wonderful, but I can not find dimensions anywhere in the files. Also, I can not open the files on my macbook or lenovo comps, just my cell. Any programs you suggest to download to view on the comp?
@matsworkshop566
@matsworkshop566 3 жыл бұрын
Hi Micheal! Yes, I am sorry about this. For some reason my computer would fail to export it as a generic .Stp file. However, I you search for minilathe on grabcad, i believe someone took my model and converted it to step. i know it is there somewhere. I might post a new model with some upgrades i did on the machine. Thanks for watching!
@jean3xyz
@jean3xyz 5 жыл бұрын
Congratulations! Really nice work. Why did you make a cut in front of the handle?
@matsworkshop566
@matsworkshop566 5 жыл бұрын
Hi Jean, thanks for watching! If you are talking about the narrow slot on the cylindrical base through which the 4 set screws of the dovetail slide pass, it is there to weaken (volontarily) one side of the dovetail edge so it bends down on the sliding part as you tighten the 4 set screws. You can see that the bottom of this slot is very close to the bottom edge of the dovetail opening (about 1.5 mm). This allows this side of the dovetail to act a bit like a swivel, but without any moving parts. It moves (bends) very slightly to eliminate the play in the slide and lock it in place. Its part of the "brake" feature of the slide. I hope this helps!
@pieterbotes8938
@pieterbotes8938 4 жыл бұрын
Nice job brother. You seem to have a lot of run-out on your chuck jaws (around 17:30) if I look at the component spinning. What is the smallest internal radius you can cut, if you can with this gadget? External radii is not a problem to cut.
@matsworkshop566
@matsworkshop566 3 жыл бұрын
Hi Pieter! I do have quiet some runout indeed. about .003" to .004". Not great, but this is to be expected of any chinese branded chucks, or even many other tool. The late spindle itself does not seem too bad, but it is still about .0005" to .001" off. Not the best, but you get what you pay for. a brand new good quality 3 inch chuck is probably worth about 4 times more. I later bought a 4 independant jaw chuck for when i need to crank up precision. Very cheap and not so great either but you know...$$. But for anything i want to do quickly and for which concentricity isnt critical, i use the 3 jaw chuck. Thanks for watching
@matsworkshop566
@matsworkshop566 3 жыл бұрын
ho and the minimal internal radius is basically 0 depending on how i set it up
@pieterbotes8938
@pieterbotes8938 3 жыл бұрын
@@matsworkshop566 Morning brother! I have ordered a fair amount of stuff from China to use in my workshop, but unfortunately 99% of all the stuff is total trash - plainly garbage. All boring bars are soft. So, in no time they look like as if they went through a concrete mixer from the clamping screws. I bought many bore comparator sets and I have to modify all of them to firstly just function, and secondly to be able to measure any bore diameter in the range of each set. The boring head that I ordered had to be modified to make it sort of function properly. Many items I ordered were the wrong stuff - not what I ordered, and then you are stuck with it. So, think twice before you order any Chinese junk. But like you say, you get what you pay for. Again brother, you have done a seriously good job with the radius cutter. Very few people would go to so much trouble to manufacture something. Have a beer day!
@sayedhsssan4343
@sayedhsssan4343 4 жыл бұрын
Tm🖒⚘🍀
@stevewhite315
@stevewhite315 3 жыл бұрын
Any video of cutter in action?
@rescobar8572
@rescobar8572 4 жыл бұрын
Excellent video Amigo!!! Thank you for sharing! On a side note comment, is it me or does he sound like Brian Ottrage???
@matsworkshop566
@matsworkshop566 3 жыл бұрын
haha!...no its not. I did not know about him but i just subscribed to his channel and i must admit the voice inflection is very similar! Thanks for watching!
@nguyenxuanhoa5826
@nguyenxuanhoa5826 4 жыл бұрын
bearings specifications
@igortrush4055
@igortrush4055 4 жыл бұрын
Hi, do you have links to bearings you used?
@oxMathxo
@oxMathxo 4 жыл бұрын
Hi Igor, thanks for the question. The large bearing is www.ebay.com/itm/NEW-1pcs-AXK5070-50x70x3mm-Thrust-Needle-Roller-Bearing-Washers/122248184583?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649 The small one, i already had it, so not sure where it came from, but it is equivalent to this one : www.ebay.com/itm/2-PCS-AXK1024-Thrust-Needle-Roller-Bearing-With-Two-Washers-10mm-x-24mm-x-2mm/141778171922?epid=623863937&hash=item2102a33812:g:JdIAAOSwHjNV-7Dx Thanks!
@johnwalters6800
@johnwalters6800 3 жыл бұрын
Where did you buy the table vise. It looks like a good deal.
@matsworkshop566
@matsworkshop566 3 жыл бұрын
Hi John, and thanks for watching. If you are refering to the blue vise i am using on my milling machine, the brand is Groz, model UG 100. Amazon (CA) link below. Quiet easy to find. About 100$CAD (probably about 5$USD :P, i say that 'cause we tend to pay this kinda thing much higher price in Canada, where i live) www.amazon.ca/Groz-35121-Uni-Grip-Drill-Press/dp/B077XN118X/ref=sr_1_2?dchild=1&keywords=groz+vise&qid=1614044820&sr=8-2 But please note, even if it does a relatively ok job, this is not a high precision vise. This is mostly designed for use on a drill press. The mobile jaw is pretty narrow, does not have much guiding surface contact, which means it moves quiet a lot. Out of the box, when squeezing a part in, the mobile jaw can lift .004-.005''...not so gread. I added shims under it to limit this issue and remove some play out of it...got it down to .001-.002'' movement...still not great, but knowing this, i generally keep a few .001'' shims on hand and i can place it above the parallel i put on the fixed jaw side, and it helps a lot. If i take the time, i can get a part leveled with a sub .001'' error, which is acceptable for most of what i do. I would strongly advise to go more for what is often refered to as a "screwless tool makers vise". You can get them of different sizes, from 1'' to 4''. Groz have a model (www.amazon.ca/Groz-35201-Tool-Makers-Screwless/dp/B079RR7DDX/ref=sr_1_7?dchild=1&keywords=groz+vise&qid=1614044820&sr=8-7) which is pretty expensive. Personnaly, i own one made by Accusize (here is an example, not exacly the one i own : www.amazon.ca/Acusize-PRECISION-SCREW-LESS-VISE-Width/dp/B077BCG8CV/ref=sr_1_5?dchild=1&keywords=accusize+screwless+vise&qid=1614045341&sr=8-5). Accusize have various tools of medium quality for hobbist machinist, and for what i do, it's decent. Of course, this is all cheap stuff made in china, so you get what you pay for. But, by design, this type of vise is much more precise and reliable than the vise you see in my video. It's also more versatile, since you can mount it in different positions. If you get various size of those, you can, for example, have a 2 inch vise, holding small parts, and place this vise at an angle in a 3 or 4 in vise...very useful. They are not as straight forward as real milling machine vises, which you can also get for decent price (probably still a bit more $ than a tool makers vise), but they then to have a higher (thicker) base, which limits the already not so large capacity of a mini-mill such as mine. I hope my comments are useful. Please stay tuned for more videos, i have moved in the last 2 years and am spending quiet some time working on the house, so, less time for projects. But i also reserved a room to build a new small workshop. When i am done, i hope to start posting new vids. Thanks again! Mat
@johnwalters6800
@johnwalters6800 3 жыл бұрын
@@matsworkshop566 WOW THANK YOU for your very much response on your vise in this video. I have been collecting small vises since I bought my Unimat in 1975. My shop equipment have greatly expanded since then. With EBAY I have collected a major variety used vises some being shop made. I found your vise very interesting due to being setup for Horizontal and Vertical milling. From my perspective most of the quality smaller vises are carburized with a surface hardness of Rc65. A file will simply only slide over the surface. In many respects this makes a for high quality vise. These vises have one huge flaw, they are undrillable with cobalt drills. Yes I have tried with no results other burning up the drill. For me I do not like parallel bars because they never stay in place. I want to have mild steel parallel bars bolted to the vise jaws. I have recently purchased a vise on Amazon that works for me. www.amazon.com/WEN-33124A-3-5-Inch-Quick-Release-Workbenches/dp/B07HFSPB34/ref=sr_1_9?dchild=1&keywords=WEN+VISE&qid=1614096288&sr=8-9 This Wen brand vise is made from tool steel that is thru hardened to Rc58. This is the top end of being drivable. The design allowed me to remove the jaws so that I could use my drill press. With a cobalt drill using much care and patience I was able to accurately drill four bolt holes thru the jaws and then attach 1018 parallel bars to the jaws. On my Taig mill I only attach tooling that is mounted to aluminum plates so that I will never damage the table top. This vise design made this attachment easy. Some day I would like to make a KZfaq video of the great variety of vises I have purchased over the last 40 years. On one of my carburized vise I have glued on steel parallels to the jaws. This works OK, but greatly decreases the versatility of the vise. Thanks for your input. John
@robliguori
@robliguori 4 жыл бұрын
What is this tool used for and what is it called? 13:02
@portgas92
@portgas92 4 жыл бұрын
Its an edge finder, its useful for finding edges. very useful when you need a reference point.
@matsworkshop566
@matsworkshop566 3 жыл бұрын
Hi Robert! Yes, this is called an edge finder. This is an old school model. There are also electronic ones, but i enjoy using this one better. it is satisfying and fun to use. It is used to find a reference surface and zero out the digital readouts. on the other end you have a pointed version use to find hole centers. In my experience, it is 3 to 4 times more accurate and repeatable that the old piece of paper trick. Very cheap tool. Relatively fast to use. In my opinion, an essential tool for machining on the mill. Thanks for watching!
@robliguori
@robliguori 3 жыл бұрын
@@matsworkshop566 Thank you!!
@longphungthe9810
@longphungthe9810 5 жыл бұрын
Can you send me drawings of the details?
@matsworkshop566
@matsworkshop566 5 жыл бұрын
Hi, you can get the 3D model of this tool on my GrabCad account here : grabcad.com/library/mini-lathe-radius-turning-tool-1. I have included some renders, STP 3d model, and Native SW files. There are also some 2D plans with dimensions, but they are not complete. They were for build reference only. I mostly measured directly from the CAD when building. I hope these files will help you! Thanks!
@airdave1961
@airdave1961 6 ай бұрын
nice work. way to much work to turn a curcle.
@davidmuresan628
@davidmuresan628 4 жыл бұрын
I have a business proposal to you.
@oxMathxo
@oxMathxo 4 жыл бұрын
Hi Mr Muresan! Thanks for your attention. I am curious what you are reffering to. Would you please send me a private email at Mats.Workshop.Channel@gmail.com to explain me what you have in mind? Thanks!
@MoraruCatalin
@MoraruCatalin 3 жыл бұрын
that is not mini
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