preventive measure: First.

@risfutile

5 жыл бұрын

preventive: measure first.

@doubledarefan

5 жыл бұрын

First things first.

@wktodd

5 жыл бұрын

Preventive measure thirst - hand me a beer :-)

@zephyrold2478

5 жыл бұрын

I second that.

@somebodyelse6673

5 жыл бұрын

2,436th!

Well that's just great... now I want one.

@StefanGotteswinter

5 жыл бұрын

Haha, I showed you the options. Either buy one and fight with your cat over her food for a month or build one ;)

I'm Here For The Howitzer Barrel Boring Video! LOL Nice Work Stefan.

@StefanGotteswinter

5 жыл бұрын

First I will show you how to make an anvil out of 6 meter and 50kg thermite.

Love the quality of these. Watching a high quality tool like this being disected then reassembled. It is humbling as to the quality. Something to aspire for.

love the vivid colors, good lighting, excellent white balance. rarely see other vids with such attention to these attributes. plus high quality content. thanks for taking inviting us in to your shop.

@StefanGotteswinter

5 жыл бұрын

Thank you! And thats why I film with a dslr and a descent lens. Complete and utter pain, but I think its worth it. I hope the audio gets also better, as I am recording now exclusively on a dedicated recorder - I still have background noise like the air dehumidifier, but I cant get rid of that.

@cliffordarrow6557

5 жыл бұрын

Stefan Gotteswinter quality shows. what kind of lighting do you use?

@RambozoClown

5 жыл бұрын

You might be able to remove noise like that in software if it bothers you. I've never noticed it in your videos, but I don't typically listen with headphones.

Congratulations on the new addition Stefan! She's a beauty, with the extra warm feeling you get using something you got at a great price :)

Excellent tear down & re-build. Thx Stefan !!

Excellent instructional video Stefan. Thanks for sharing. regards from the UK

hope to see more of your projects soon been a long wait for this vid keep up the excellent video content thank you

Excellent tutorial once again Stefan! 👏🏻👏🏻👏🏻

Nice score Stephan, thanks for the detailed explanation! Happy Trails, Doug

Terrific video; excellent purchase and with no remediation required

"These boring heads are..... are , I love them" 😃 It shows. Very interesting video Stefan, I liked the look inside. So much nicer than the cheap ones. I would guess you paid about as much as a new cheap one. Score!

@StefanGotteswinter

5 жыл бұрын

Thanks Steve ;) A chinese head the same size, without autofeed would have cost me more...

@aserta

5 жыл бұрын

Best thing about Stefan is his never ending pool of love and enthusiasm for these machines. If i ever feel like a project isn't working out or i messed something up, i go watch his videos to make up for the gap.

Congrats on such a good deal, and a great video. My upa3 is in need of tear down and relube so it is good to see what’s in store. Thanks!

Congrats Stefan, and thanks for a look at that beauty. I'm not sure about the other guys, but I would have liked an hour video on that Swiss watch of a boring head.

Hi Stefan, I have just bought a ultrasonic cleaner, and thank you for the tip about putting your parts in a glass jar, the part I wanted to clean was a Wohlhaupter collet chuck nut with bearing (cant be dismantled) and put it in a glass jar with some kerosene and water in the rest of the cleaner, Did not want to fill up the cleaner with kerosene, worked very well, and an added bonus to using a glass jar is that you can see afterwards what was comming out from the inner workings of the part.

Had to watch it a third time all the way through. Something new, learned everytime. Danke.

@canberradogfarts

5 жыл бұрын

What time in the morning is it there? Sheesh, you really dont sleep do you?

Very nice boring/facing heads and a good complete review on tearing down and cleaning.

Stefan what a find! And a steal too lol. That looks to be a Rolls Royce or at least a Bentley quality tool. It may have flown over China on its way to Europe, but it certainly did not come from there. I bought on EBay an old boxed Mitutoyo imperial tenths finger type DTI last week and the quality astounded me. Such a beautiful piece of craftsmanship. That boring head is the same sort of quality work. I and many of your subscribers are jealous of you!

Love your videos. Wish there were more. One of my favorite channels and I'm not a machinist!

Outstanding video as usual. Thanks for sharing!

A fantastic find to add to your collection of precision tooling!

Hi Stefan. Great find. Great video. Very entertaining and uplifting. Your enthusiasm is infectious. BobUK.

Terrific video; awesome find with no remediation required

Another Perfect video thank you for taking the time to film for us to enjoy.

Lovely tear down, worked on great. Al.

A lathe mated with a mill. Nice! Love your vids, always learn from you.

Nice video Stefan, the boring head looks as a new part.

That's a real beauty ! And you did a great job cleaning a creating a new no.4 M/T shank !! I wish that I could find a deal like that !

yes they are very good boring heads, thank you for reminding me about the LOCK,

"All best stuff made in Japan!" - this is what German guy says)

@ralphmacchiato3761

4 жыл бұрын

Germans are precise. Japanese are obsessed.

Just another great video thanks.

Schönes Gerät! Danke fürs teilen.

Nice piece of tooling. The main problem with doing a half meter (20") bore @ 1000 RPM. is that the mill tends to jump around and chase you around the workshop.

@StefanGotteswinter

5 жыл бұрын

Its quite annoying if you have to chase the mill around :(

Nice piece stefan. .. some guys have all the luck 😜🍀

Nice! Thanks for the video.

Good job👍🏼 Now I’ve less trepidation to take my UPA3 apart; it has a sticky feed ring from old grease which I’ve been wanting to fix for some time now😃

Those are great boring heads. 👍

What a marvel of engineering and manufacture.

Great video Stefan! My manual calls for Molykote BR 2 plus grease for the internals just like the Tin man stuff that was in there. I am amazed how good it works every time I use it. ATB, Robin

@StefanGotteswinter

5 жыл бұрын

Thanks Robin! I have the manual too, and both the Wohlaupter and the Kuroda state to use grease, but the small oil passasges got me thinking. Maybe I am overthinking it. When I assembled it, I used MoS2 grease on all the moving parts, except for the dovetail slide.

@ralfgottfridhansson3127

5 жыл бұрын

@@StefanGotteswinter --apps.dtic.mil/dtic/tr/fulltext/u2/291052.pdf

@vincei4252

5 жыл бұрын

@@ralfgottfridhansson3127 Very interesting, thanks for posting that.

@ROBRENZ

5 жыл бұрын

@@StefanGotteswinter I put the grease in a syringe and it generates enough pressure to force the grease completely through the head including coming out the dovetail. The grease moves very slowly so I might have to hold pressure for 5 minutes or so before the grease starts to escape everywhere.

Very lucky find of that Kuroda head Stefan. I've heard they make very fine tooling. The internals on yours seems to fully support what I've read. Narex uses almost exactly the same idea to attach there shanks to there B&F heads except there's no offset screw hole so the heads can be attached in any orientation. It's a much better system imo than Criterion's very nice fitting but still threaded connection since the heads can be used in either rotational direction. Narex and I'd assume Kuroda as well are more than a little proud of there shanks given the asking prices though.

Was sad when I heard no boring of Howitzer barrels... ;) Congrats on adding an amazing tool to your arsenal.

I missed the clutch mechanism or is it just a friction plate on the adjustment dial. Very interesting great video! You used the correct amount of show and tell. The video also had a well balanced ‘what and how to do” and “what not to do”. Thanks for sharing.

The small one is the micro-machine shop tool of choice here if we had to select one. 8mm is great here in California metric is it for us. Wow that Wohlhaupter UPA 1 is a great tool looked up the price used you have a great tool Stefan then again good to great tools are not cheap that makes us love them more of course. The smallest I could find is the one you have, we are liking your boring head.

@StefanGotteswinter

5 жыл бұрын

A few years ago you could pick up a UPA here for below 200eur. Those times are gone, now its more like double and more of that ;)

Thanks Stefan

Dear Stefan, excellent video as always. Is there anyway you could show how the locking screw mechanism works? I have a Mizoguchi version which appears identical to the Koruda/Wohlhaupter. However i am missing the locking screw and i assume pin and ball bearing. Thank you and i hope you are well.

Kuroda's primary business is the manufacture of precision grinding machines. They also happen to own the Jena Tec Group which makes linear bearings and screws for precision motion control.

Thank you !

I recently got a complete upa3 box set. I love using it too! Thanks for tear down tips. What grease did you use?

Well if your going to do a Howitzer how about a KwK 88? I need to find one of those UP1's for my little Emco..... Great video!

Stefan, my wife must know what the "symphony movement" is that you play. We're both big fans of your channel. Thanks. Bob Ginther

Interesting. I have a similar-sized Kuoda B&F head model UFB-3 with an integral 3MT shank. The locking mechanism is missing a couple of simple parts and the internal kick-out 'lever' for the facing operations is a bit worn. Kuroda do not seem to make these any more. Can you still buy Kuroda parts in Germany or do you happen to know if Wolhaupter parts interchange? A bit detailed for the comments, I know, but I thought I would ask. Keep up the excellent videos.

I want a UPA1 just to cuddle in the evenings, they are so cute! I have a UPA4 that is too big for any of my machines, but as it is the most beautifully-made thing i have ever seen I can't bear to part with it. I have a UPA3 that gets a lot of use, even on my CNC milling machine. I have found it hard to find 18mm dia boring tools. CTC tools have some insert-type ones that work fairly nicely except that the flat is on the wrong side for the clamp/feed direction of the Wohlhaupter. I found a similar set on Aliexpress, with the same problem.

Really Nice boring head. Have the pleasure og owning a wohlhaupter upa4 in the extra large version. Also have a d'andrea ts4 which is Even larger. Like both of them alot. Pure quality.

Beautiful find. Love the direct reading. Probably necessary to raid the kidney replacement fund jar to buy a new one. Thanks.

@dsfs17987

5 жыл бұрын

they start at around 2,5k new or there about, but one might get lucky to snipe them off of industrial auctions for ~100-150

grats on the find! looks like it is the UPA3 size, though a bit more compact thanks to the worm drive arrangement consisting of a half nut, while Wohlhaupters have the screw and rotating nut arrangement, probably some patent workaround by Kuroda I've been looking around for UPA2 myself, but they rarely show up on ebay, saw one few months ago, auctioned off for ~450EUR and got instantly relisted for 750EUR and then disappeared after a while, I want the #2 for my Fehlmann mill/drill, I think I'd even be willing to trade an "imperial" UPA3 with R8 integral shank AND an UPA4 with a 40 taper and 5/8 draw bar thread for a single UPA2, but who's going to give up their #2...

Very nice video, will be a nice tool to have.

Tolles Teil

Congratulations.

Hi Stefan, I got an Imperial Kuroda UFB-3 recently with a 40 taper, but wasn't like yours. I saw some locking pins near the drawbar fixing, and figured it had a MT underneath. Well, after knocking out the pins, removing unusual locking screw, I managed to wind it out using a screw and a ball bearing. Well chuffed too, they are like a Swiss watch, but I don't have the little lever or stop bar with my set, so I might be in touch and get some dimensions, so I can make one. Great video, and it looks a damn sight cleaner too after all your work. :) Did you ever find a Kuroda user manual? I have the Wohlhaupter pdf though, but sometimes they turn up.

Too long between drinks my friend!! Love the boring head thanks for sharing

Nice tool. Good video. I wonder if you could get a better surface finish by putting a weighted dummy cutter in the opposite side to keep it somewhat in balance. Though, that tool does appear pretty sturdy.

Great video. Thanks! I have a slightly larger Wohlhaupter that can use the same treatment. I had no idea what to expect inside and it's a bit more complicated than the typical Criterion type. Plus a good excuse to get a nice ultrasonic cleaner.

@andypughtube

5 жыл бұрын

There are some pictures of the inside of my integral-shank UPA4 here goo.gl/photos/sTiPXh7irBVbvmSG7 (and some of my UPA3, so be careful to be sure which one it is). Also a picture of my bolt-on CNC-conversion for the UPA3. :-)

The ultra sonic cleaner looks more like a chip cooker !

Great video as usual, but I would have liked to see it actually used for boring and a facing cut. Thanks for sharing!

That is a sweet boring head! Maybe we should talk about your German version of Craigslist on the next podcast episode 🙂

Congratulation on a very nice boring head. Nice adaption to you MT4 spindle also. What type of oil did you use to lubricate? Still grease in the worm? Btw, D'Andrea is Italian. Very cool with the red crank.

@stephensarkany3577

Жыл бұрын

I like the D'andrea best because the tooling is on a dovetail slide & can be locked anywhere along the facing range. Also the hand feed lever is great plus the rev counter can't be beat.

Stefan, Have you tried using a mix of Phosphoric Acid and water (~1pt to 6pts) to remove surface corrosion (after degreasing of course) . Used to be sold in a gel form as Naval Jelly (for marine use not for belly button :-) Perhaps more for restoration work but has its uses. And I just found a new one. It will refresh horribly oxidized soldering tips. Soak for a minute and polish with steel wool. I just renewed 10 virtually unusable tips.

That's pretty fancy toilet paper with the stars on it at 6:44 in the video. I guess when you use it, your adding the back ground to the stars.

Hy Stefan, i am not sure if u will read this anytime soon, but i just wonder, if you maybe know if the Kuroda UFB2 is similiar size as the Narex vhu32 ? wondering if i can use a vhu head on my BF20 aslong i run it slow

3 years later, I finally got one today. Perfect condition, although missing the pin to lock the dials together. If I understand correctly, it doesn’t do much, you can hold both dials with the fingers, but I will try to make a new one. It came with a Deckel style MT4 with external thread, but this will be an easy fix. If I will be able to remove the adapter sleeve first :)

What did you end up using for lube? The ball on the adjusting ring looks like its for oil, however I'd guess if the rack were oiled it would sling it all over while spinning.

Very nice, Stefan. I bet one of those heads new costs more than my mill.

Hey cooles Teil ;) SK 40 mit M16 Gewinde würde auch in meine neue Fräsmaschine passen.... bist du eigenlich zufrieden mit deiner Optimum Fräsmaschine ?

Hi Stefan, Really nice tool and rebuild. Do you have any suggestions what to use for rust protective oil? I used WD40 but that's not good enough in my cold and poor isolated workshop. Greetings for the Netherlands.

@StefanGotteswinter

5 жыл бұрын

Ahoi! I started to use this: Meguin rost protection oil: www.meguin.de/meguin/produktdb.nsf/id/md_8753.html?OpenDocument&land=ME Works very well for me.

Dear Stefan, I own the same Kuroda as you do. What is the right way to re-install the feed knob on the side of the head. Thank you Teun

Another machinist called me to show me his recently acquired UPA3 (with the 12 step adjustable facing feed rate)...I'm sold! This thing is awesome and it's way cheaper than I thought such a mechanical marvel would cost. My only gripe apart from the lack of adapters is the sketchiness factor of trying to hold it even with a rod (that's probably due to the bad tuning of the stop pin force and my inexperience with it's functions). PS: This is not a Wohlhaupter design but a Soviet ГОСТ standard (ГОСТ 22393-77 to be precise). Victor Leontiev (Виктор Леонтьев on youtube) has a very extensive series of videos including a bunch of them doing some machining voodoo with this "universal boring head" but it's all in Russian...Incredibly interesting nonetheless. He's got many moves I've never seen before!

Wow, this is freakishly good timing. I just bought a Wohlhaupter UPA3 a few days ago after wanting one for years. Hasn't arrived yet but going by the pictures it looks almost unused and still has all the accessories in it's case. I worked at a place years ago and nearly everything was worn out and wrecked. One day, looking through one of the many filth covered shelves, I found a dusty case. Upon opening the case I was greeted with the sight of a pristine Mizoguchi boring and facing head. This ,like the Kuroda, was a Japanese licensed(?) copy of the Wohlhaupter. Also beautifully made. Ironically my head has an MT4 taper which I need to change to suit my machines (Schaublin 13 (ISO30) and Arboga U2508 (MT3)) and I'm fairly certain it has an integral shank so I'll have to consider my options (I've already rewatched your earlier video on this very topic). Thanks for sharing this great video. Matt

@andypughtube

5 жыл бұрын

I have a spare MT3 shank for a UPA3. But I suspect you are are enough from Essex to make it cheaper to make one. It is hard to tell the difference between removable and integral shanks, but if you can poke an allen key down the middle of the shank and find a hex then it is removable. Remember! Clockwise to loosen the differential screw! I have made 30-taper shanks for my UPA3 (I need 30INT for the horizontal spindle _and_ BT30 for the vertical) by re-machining the inexpensive shanks from ebay with the 1.5" x 18tpi thread.

@matthewsutherland83

5 жыл бұрын

You're right Andy, I am rather far from Essex, if you consider more than 10,000 Miles or nearly 17,000 km to be far! Thanks for the offer though. Also, thanks for the info on the Lefty-Rigthy attachment method. I have a few thoughts on what I may do (assuming it's an integral shank type). One option is the obvious turn the MT into a straight shank approach. This may be okay but I really don't like the extra stick-out this causes when held in a collet chuck. One thing that complicates matters is the fact that my MT4 shank is the type that has a big taper drift hole in the middle so there is less material to work with. When my head arrives (today or tomorrow) I'll plan my next move. That sounds like a bit of a nuisance with your two tapers on one machine. Is this owing to automatic tool change on the vertical and manual on the horizontal? @@andypughtube

@andypughtube

5 жыл бұрын

@@matthewsutherland83 MT4 is very nearly as big at the gauge line as ISO30. But for your situation where you would ideally be able to swap shanks it would be nicer to copy the Wohlhaupter system if possible. The tricky part would be making the internal fine thread. This could probably be done with carbide tooling on a lathe. (at the very least it avoids the risk of breaking a tap off in the boring head body). Here is a drawing I made showing the standard Wohlhaupter shank and interface. drive.google.com/open?id=1NYx-9KnlYfgZZv9BRnhdRgGMz3CB817q You can make the link screw by machining and re-threading a standard M16 grub-screw. Wohlhaupter will convert a fixed-tang UPA3 to removable-tang for €800.

@matthewsutherland83

5 жыл бұрын

That's great info Andy. Thanks very much. I still haven't got my head yet and to be honest sorting out it's taper isn't my highest priority at the moment (I've just bought a 4x10 metre shed to house my workshop and now I have to build it) so there is time to mull over my options. My main aim is to keep stick-out to a minimum. The Schaublin 13 is a little short on Z axis depth and when used in horizontal mode space can be really limited. As you say, internal threading may be difficult and I'll probably opt for thread cutting rather than tapping. Having Wohlhaupter convert it is definitely not an option for me. 800 euro plus return freight from Melbourne, Australia makes it slightly too pricey for me! Interesting to know though. Thanks again @@andypughtube

As expected, it's a great video! The only thing I would have liked to see but didn't is how you lubricate the different parts before putting it back together. I would like to know which oil(s) you used, how much and where you used it. And also I would like to know how it should be maintained in the future in this regard.

@cetyl2626

5 жыл бұрын

Yes! I also was very curious.

@xenonram

5 жыл бұрын

Yes, I was disappointed that the video was quite abbreviated as far as the manual labor footage went. It was, however, comprehensive in that he explained a lot (without showing it).

@Anonymouspock

5 жыл бұрын

It's extra unfortunate because he was criticizing how it was lubricated before but then doesn't say how he did better.

@cetyl2626

5 жыл бұрын

Update, he said in another thread he used MoS2 grease.

Seeing that dentist's hook and launching into this whole strange associative stream of consciousness involving careers in torture

The shank retention is like the Narex. I have a D'andrea& the only thing I don't like is that changing shanks requires too much disassembly.

Steffan, that head on full extension will cause your mill to jog off the worktop 🤣

Instantly clicked!!! :D

@dasworkshop4967

5 жыл бұрын

Never clicked so fast in my life!

zerr gutt Stephan

@StefanGotteswinter

5 жыл бұрын

Dankeschön!

A machinist went into a boring bar and found love

@StefanGotteswinter

5 жыл бұрын

Going for the low hanging jokes, haha :D

Hi, Stefan. Do you know of any literature pertaining to the Wohlhaupter interchangeable shanks? I just picked up a UPA 3 off fleabay, but it's super crusty with dried up grease. I figured it was a twist on shank like my Criterion, but it looks like I may be wrong. I've browsed their website and found very little, I'll take a closer peek tomorrow. Thanks in advance, John

@KISSMYACE3203

4 жыл бұрын

Nevermind. Looked at it this morning, probably the easiest to remove shank I've ever used. Glad I didn't torque on it very hard.

Clicked this as fast as a fiddler's elbow.

@StefanGotteswinter

5 жыл бұрын

Thats fast?

@Blue_4-2

5 жыл бұрын

@@StefanGotteswinter see for yourself: kzread.info/dash/bejne/l3d1qMiRj9nHj6w.html

hi stefan i think this head also should have a rapid return for facing operations it is operated by a steady bar that locates in the drive ring and when you push the plunger on the bar it returns to another trip dog these heads normally have 2 trip dogs.

@andypughtube

5 жыл бұрын

Not with the UPA3. (Or not this version). My UPA4 has a hex on the end to insert a handle for rapid return. A lovely touch on that UPA4 is that there are three balls in the hex socket that the hex key pushes back, releasing the drive screw. Pull the key out and it locks again, ready for use.

@mickocallaghan4896

5 жыл бұрын

i had a kurdo ufb3 that had a rapid return function operated by a plunger on the steady bar.it was an automatic boring and facing head as opposed to a boring and facing head,i now have a d,andrea ts3 automatic boring and facing head and also a upa4s with the longer slide i dont use them as much as i want to but still a joy to operate them when their needed.

@andypughtube

5 жыл бұрын

@@mickocallaghan4896 Thinking further, with the UPA3 (or the one in the video) if you pop-out the fine-feed plunger and pop-in the link plunger then continued rotation in the same direction does become a fast retract. The fine-feed plunger should automatically pop-out at the stop, so I suppose there is a fast-retract of a sort, though you should probably stop the spindle before engaging the top plunger.

@stephensarkany3577

Жыл бұрын

My narex has the same balls to lock the rapid adjustment

"For next to nothing off of the German equivalent of Craig's List" Tool Gloat of the year The first Wohlhaupter I ever was allowed to use had the pins on the feed ring that you could set to vary the outfeed. This allowed you cut tapers in the Jig Bore, Boring Mill or Jig Mill The Wohlhaupter's I've used all had the extension bars that allowed you really stiffen up the bar during the cut All the small parts. Old prescription bottles. Small plastic bags if the Greens still let you have them in Germany. Anything to keep them together with their associated parts plus LABEL them. Putting one of these together you do not want left over parts

That looks like a very complex machine. Hoping to see you use it before it is all over.

@StefanGotteswinter

5 жыл бұрын

Will definetly seen in future :)

Thanks for the great video Stefan . Very usefull details on this brilliant boring head especially for those who have been working only with chinese boring heads like me .I am amazed with the auto feed function . This tool is already in my wish list ! Exept Kuroda ,Wohlhaupter and the french one that you mention on the vid are any other brands that made similar boring heads?

@Ropetangler

4 жыл бұрын

A very late reply, but other manufacturers made Wohlhaupter clones, check out Vertex and Narex.

@KOSTASVALE

4 жыл бұрын

@@Ropetangler thanks... I bought a upa3 off of eBay and it is one of the best investment I had made on my tools.

@Ropetangler

4 жыл бұрын

@@KOSTASVALE Congratulations, a nice piece of kit by all accounts, I am looking at a Kuroda on eBay atm, ironically it is what Stefan ended with (MT4) and I want what he started with (40 taper). I want to find out if it has interchangeable shanks, as I don't fancy machining off an MT shank and adapting a 40 taper to it myself.

@KOSTASVALE

4 жыл бұрын

@@Ropetangler mine also was mt4 with old deckel 40taper adapter. I remove the adapter drilled and taped m16 to fit my milling machine.

there is one detail you did not cover. the part that lock the inner ring of the planetery drive. it has the oval locking pin that is pushed out by some kind of transfer pin from the detent pin on the side. i have a simular no name head, looks identical but no name, and the transfer pin is missing on mine, would you minde going to that detail a bit please. cant finde any referance on what it should look like ore how it function. without that the head is a door stop.... if you dont minde i would be very thank full.

Great Video. Your deckel clone must be getting lonely in the corner

@StefanGotteswinter

5 жыл бұрын

Haha, that machine is used on a daily base :)

Putting parts in a thick container and then putting the container in an ultrasonic greatly reduces the ultrasonic cleaning action in the container fyi. I dont know if they use them in Europe, but the small aluminum foil disposable baking pans work great for what you are doing with small bolts and stuff. They are thin so they do not block the ultra sonic as much.

@dsfs17987

5 жыл бұрын

plain water in the US tank and a zip lock bag with parts and degreaser of choice works very well too, reasonably powerful US baths tare the al foil up quite quickly, but the plastic bags seem to last

@iteerrex8166

5 жыл бұрын

Good point.. the energy drops by roughly 50% going through 1/4 in of glass with an area of 12 in^2

@Worrsaint

5 жыл бұрын

@@dsfs17987 We never had an issue with the foil pans getting torn up by the ultrasonic. We used the higher frequency ones with a sweep for cleaning small delicate features. One of the most important things is getting your temps set right. Should be roughly 10% below the boiling point of the solution IIRC to get it to microjet.

Hast du eigentlich deine drehmaschine noch? 🤔

Was that a "Back to the Future" reference?? "All the best stuff's made in Japan" Haha!

@StefanGotteswinter

5 жыл бұрын

Doc Brown approves!

Stefan I recall Robin Renzetti's video on his Tree taper boring head, can you use your Kuroda boring head for boring tapers? I assume your mill has automatic downfeed?

@StefanGotteswinter

5 жыл бұрын

Yes, its described in the manual. Works best on a mill where the feed is geared to the mill-spindle or on a mill where you have a precise display of spindle speed and z-axis feed.

@andypughtube

5 жыл бұрын

These work beautifully for turning tapers on a CNC milling machine where you can synchronise the workpiece movement to the facing feed. (G33)

I've got a couple of small questions regarding the use of these heads. When facing to a stop or grooving to depth while using the stop(s) fitted to the slide's T slot does the feed disengage automatically or do your fingers act as the clutch allowing the knurled ring to slip when the stop has been met? Does the same apply when using rapid return? If oilways are found on parts should grease be used/avoided on assembly? BTW Glad to see you picked up a bargain with this gem! Thanks Matt

@StefanGotteswinter

5 жыл бұрын

They will kick out the feed once they hit the stop (The torque needed for that can be adjusted with a setscrew). To be honest, I never used that feature and you might have noticed that my small Wohlhaupter is even missing the stops. And yes, it works also in rapid traverse :) I assembled it with MoS2 grease in vital spots, but I contemplated to lubricate it with heave iso220 way oil. The manual states grease, but the design with the oil passages feels more like its made for oil.

@matthewsutherland83

5 жыл бұрын

Thanks for the info.@@StefanGotteswinter

very nice. Hoping to see this in action

@StefanGotteswinter

5 жыл бұрын

Definetly - I will also talk about boring bars for that head.

Excellent video Stefan, I have a small Bridge port one but it’s rubbish 10mm shank just not ridged enough it squeals like a pig.😬 I’m getting better with the music 🤨