Chandler Boring and Facing Head
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- Опубліковано 15 сер 2014
- Another installment of I'll show you mine. In this video we take a look at a boring and facing head for the milling machine. This special head has the ability to traverse while running which makes it handy for internal grooves and spotfacing operations.
Man, I love going back through all of Tom's old videos.
Year 1966, worked for company making the duplex boring heads(several models) and also Chandler compound radi dressers for precision grinding. Stock boy in receiving and first process. Ran a horizontal band saw w/feeder and two shapers. Dreamed of getting up front running other machines but cut short by Uncle Sam.
Enjoy your videos very much. Have retirement shop in Florida now. Just got a Fucchella 4M hydrolic tool and cutter grinder to play with. Philip
Hi Tom, I'm sure you have better things to do than answering an old video question but your the only one with knowledge on this particular boring head. I too have one of these but it sits on an upper shelf in a box. its been 5 years or more in that box with-out using it. Many years ago I mistakenly used it in a drill press 25RPM or so and the darn thing chattered and fell out of the MT2. No damage but enough to warrant to put it away until I find a way to change the shank to something else other than MT2 with a tang. I'm not sure if it is screwed in or what, I don't want to break such a fine tool.
I very much enjoyed this video. I don't mine watching re-runs "lol" you learn more and more every time!
Thanks for the videos
Richard
Richard B Hey Richard,
I think you should throw it away. I happen to have a garbage can with some room over here........ Just kidding. I'm not sure how the shanks are attached to the head. Mine came from a coworker that died. It appears it had a taper shank on it as well and he just turned it down between centers. Hope this helps. Thanks for the comment.
Cheers,
Tom
Excellent video for the wonderful tool
D'Andrea (Italian) produces the best boring heads on earth - manual or electronic. Nobody beats them. D'Andrea has done boring heads for more than a 100 years if I remember correctly. I used many of their boring heads when I was still working and believe me, I tested the accuracy of their heads - brilliant! The one head I had was a 2 micron (on diameter) which I used quite a lot. Man, absolutely super.
You are now a part of the power of the internet Tom - you have contributed quite a lot of knowledge that has been invaluable. Thanks for another great video
That tool is awesome. Brilliant. A serious time saver if you do a lot of boring. Minimizing boredom.
I know this is a very old video. But I always gain a wealth of knowledge from your sharing and effort Tom. It is always greatly appreciated. Looking forward to the next one. Stay healthy and safe my master!
Hey Tom,
If you haven’t already, you have to get your hands on a WOHLHAUPTER UPA series boring head. The tool nut that you are, you will fall in love. They are super German quality, very smooth, precision and beautiful lines appealing to the eyes. I have several Criterion heads a couple of them extra precision you can dial in tenths. In comparison when I hold them or turn the dials the Criterions fell like 1-2-3 blocks and the WOHLHAUPTER UPA-3 feels like a Jo block. I took mine apart once just to check it out. Insane design, I forget most of it but I remember it was very complicated, many pieces but beautiful. You can face and rapid return without changing rotation. Adjustable stops, lots of features.
Joe
Thanks Tommy boy! I traded a gentleman on cl for one of these, mine is a bit bigger and on a 50 taper. Seeing a video on it is much nicer than reading an instruction sheet. Thanks!
I enjoyed watching the demo of the boring and facing head Tom. You got me thinking about one I have put up in my cabinet. I have never used it. Need to pull it out and see if we can make it work.
Thanks for sharing this with us.
Adam
Hey Adam,
Now how come I knew that Abom has one of these. I would love to see yours in action. Is it the same as this one or is it a different brand? Thanks for stopping by.
Talk to you soon.
Tom
Mine is a different brand. It's called a Precision Universal Tool Head. Made by The Precision Tool Co. I'm pretty sure it's a boring and facing head but I need to play with it to see how it works.
Sad to say, it's slightly bigger than yours. LOL.
Thanks Tom.
Abom79 Dang it. Another tool Abom has that's bigger than mine. What's up with Florida anyway?
Cheers,
Tom
Hello guys. Adam, if you're thinking to buy one check out D'Andrea Italian brand. the manual one it's called Sensitive T-TA.
Erik Matcovich Hey Erik,
A viewer loaned me a D'Andrea to test. You will see a video pretty soon on the one I have in the shop. Its really a nice head. Thanks for the comment.
Cheers,
Tom
Tom,
In a word, Groovy!
Thanks for show'en us your stuff.
All the best Chuck
good video. the first time i ever saw one of those in use was to spot face a hole from behind. i couldn't imagine how the job was accomplished until my master tool and die maker friend showed me the tool in action. the job was to clean up a welded thrust surface on a forklift steer axle.
Wow! That's a slick design, thanks for sharing that with us Tom.
What a nifty little tool, never thought about it before but a perfect way to cut retaining groove in an awkward shaped piece.
Thanks Tom. In my opinion, that is a really classy looking tool. I'll be doing some homework on it.
Cheers,
Tim
NZ
Fantastic tool! Gotta put that one on my "Shop needs" tool list! Thanks for showing this, Tom! ;)
Thanks Tom! I enjoy your videos! This one is helpful as it at least shows me what a boring & facing head can do and what the general way they work. I don't have a Chandler, but I recently bought an Enco Automatic Boring Facing head, made in France. So this video shows me in general what to expect. Now I just have to learn exactly how to use the Enco. *_I can see now they are very useful !!_*
Thanks for the show and tell Tom, great little tool.
Hey, Tom. That is an awesome tool you got there.I would to have one to fit my Sherline mill . Quite the mood music in the background. Thanks so much for vids!!!
Yessir i have a k&t model 2k plain that is going through surgery to fix a broken feed gear in the knee. Hopefully she will pull through!
Hi Tom !
That's really a nice and nifty little tool ... and probably not a cheap one !
Thx for showing !
that was a very interesting episode:) thanks! greetings from Sofia, Bulgaria. Ivan
Hi Tom
I got to learn about this tool on a visit to Don Miller one day as he showed me repairs he was doing on a mill head.
Cool tool and of course....on my list! I will have to check the magic 8 ball for the shopping spree!
ATB
Chuck
Hey Tom,
What a great tool, never dreamed anything like that existed.
Hey Stan,
Keep your eyes peeled for one. They were fairly common in the olden days.
Cheers,
Tom
Great one Tom, Keep the great videos coming.
Very cool tool. Thanks for sharing Tom.
Magic tool. Nice video
Nice tool, never seen one before. Thank You. Randy
Great video Tom. Thanks for sharing. I have the same model J boring head, it came with the Linley jig bore I bought. Cheers! Daniel
Tom, an interesting tool, glad to see it in action.
Thanks....13
This type of boring head is an awesome tool, especially for the facing part. Wish I had one.
Tom,
That is a very cool tool. I have never seen one like that! I don't know that I would ever have use for it, but I want one ;)
Thanks for sharing!
Looks like a nice compact little tool..I have a Wohlhaupter, ...keep speed down and nose radius small with positive rake for best finish and no chatter, thanks for sharing!
Looks like a time saver for production runs.
Very nice tool demo Mr. Wizard! You even learned from the instructions! ha-ha ;-)
Would be a handy tool to have!
Thanks!
Jeff
Hey Jeff,
I never knew what the threaded stud was for. In the instructions you have to remove a plug then insert the stop screw. You should have heard me when I read that one.
Cheers,
Tom
Hi Tom,
Nice full of neat features tool, makes the grove process so easy.
Knowing myself and my predisposition to get snagged in every thing that protrudes, I would be a little worried about getting caught by the setting screw setup used to set the grove depth. I know, no risk no gain...!
Tom, you should know by now, there will always be someone with a bigger one than yours, what ever it is... lol
Take care,
Pierre
Hey Tom,
Great video of an interesting tool. When I get my mill I will have to get one of those puppies. I always how internal snap ring grooves were cut and now I know! Goovey! (I know; I'm dating myself! I shouldn't date as I'm married!) Thank you, O Master Ox, for sharing your knowledge with us Oxen.
Have a good one!
Oxen Dave
Man, love that tool.
what a gorgeous tool. Would love to see a teardown on this Tom
Tom,
I also have a Chandler head. It came from some steam show flea market. Never used it.
It has a 40 mm shank and is not usable now. Some day i will modify it.
I was going to get a small Devlieg to fit it.
My wife said the Devlieg is ugly. Get another Fadal. Women!!
Enjoyed watching you play with your head though.
Kap
kappullen Hey Kap,
You should listen to you wife. More machines, how can you go wrong? Thanks for the comment.
Cheers,
Tom
Thank You Tom! I've been swearing at internal groves, really wanting a Narex or Wohlhaupter, but this guy is just too neat! I think Chucks 8 ball luck just rubbed off on me as I snagged one. Torn meniscus in the knee, good day to ice and watch UA-cam on the big screen (Roku Box, You Tube Channel, Android Phone as remote control.... love it!)
Hey Tom,
Eight ball luck on the knee or did you find a boring head? Did you trip over a little hole sticking up in the ground?
Get well soon.
Tom
Found a boring head on Ebay with BIN.... that never happens after you post a tool review! Knee is due for it's rebuild. :)
Cool tool! U can rotate the grooving tool clockwise for a positive cutting edge
Spiffy tool Tom. When someone screwed something up by not using the procedures my admonition always was "When all else fails, Read the instructions!" i said that to my nephew so often that when he asked me to look at something he was having trouble with as soon as I walked up he automatically uttered the saying knowing that was going to be the first thing out of my mouth.
Nice tool. Mr Fenner did an overview of his some time back. I think his was a Narex?
Great tools, I like the facing feature. ;-)
Colin
Thanks sir to your information
It's a pretty simple mechanism inside. Basically just a worm and wheel.
I took mine apart to clean up.
Hey Tom! Awesome tool! Went back to the antique mall in Findlay today. Bought some spring calipers, all Starrett except for one that is a Union Tool Co., One of the Starretts is marked "Patented June 2 1885" on one arm is stamped " F.W. Ziese Wich I assume is the owner's name and on the other arm is stamped 1897 which I assume is the year they were purchased. Paid about 15 bucks a pair for the 5 pieces. I will send pics. Cool Tools!!!!
Thanks for sharing. I actually purchased one of these at an auction for around $100 a while back but mine is much larger. When I purchased it I thought I was buying a really nice regular boring bar but after inspecting it I saw it did a lot more. I found a manual online but it was fairly vague.
Does yours have a straight shank on it or something else?
Cheers,
Tom
oxtoolco
Mine has an R8 shank on it
I have the same model boring head with an r8 shank. Unfortunately the boring head cost more than the mill, but it’s a fine instrument. If you back out the thumb-screw in the dial face on the side, you can use an Allen wrench on the opposite side to return the slide, without undue wear to the gearing. As stated by the set of instructions I found for mine. It’s also much faster. Just be careful to get the screw set back in one of the index holes, I think there are six. Mine chatters like hell unless I lock the slide while boring a hole.
cool tool tom
Great tool i like that.
I have a bit of a boring-head fetish, so as well as a couple of Wohlhaupters I also have a Tree boring head. That has the unique feature that it will auto-feed at any angle, so can be used to bore, face or cut tapers.
Hi mate.That is a very nice tool. I would love one of those, but I think that I would be hanging of it being snagged by that set screw. That thing was made in a time that a small thing as safety was something nice, when it suited the design.
+Marcel Timmers Hey Marcel,
I rarely use it with the stop screw. Its really nice when you have a job for it. Thanks for the comment.
Cheers,
Tom
another good video thanks for sharing
Nice tool. I have used a Wolfhaupter for many years and it is quite the same but maybe a bit beefier.
Thanks! I have one of these that came in a CL purchase with a lot of other things, and have been reluctant to use it. Now that you've shown it operating I won't be.
+cod.cape Hi Cod,
Its a little weird at first. Start slow and in no time you will be whipping it around. Thanks for the comment.
Cheers,
Tom
The stop is a great feature. Seems like the tool could speed up those operations you mention but also seems like mr bozo would be more likely to visit more often.
Hey Bill,
You don't want Mr Bozo around when your doing internal snap ring grooves. Typically these are almost done features.
Cheers,
Tom
that was cool
Patent Number 2356651 by George Chandler shows an earlier version. I'm sure Tom could build one from the description, but we will let him build a CURTA for fun.
www.google.com/patents/US2356651
Curta simulator on You Tube (I have a Curta -- only item I own that I have never dissembled to see how it works!)
Assembly of YACS - Yet Another Curta Simulator
Tom, take it apart! Let's see what makes it work!
Hi Tom,
I have a Japanese copy of a small Wholhoupter that I think I showed a while back. The bigger Wholhoupters have a series of pins you push in to set the feed per rev.
One capability that you missed is that in combination with quill feed it's possible to machine a taper. Not that useful on a Bridgeport style machine with its limited feed rates, but it can be very useful on a horizontal machine. A friend has used it to cut taperlock hubs.
Hey Paul,
Wow never thought of that. That would bend your mind working through that operation. I have never used a velociraptor myself.
Cheers,
Tom
I had snagged a model J and few years ago, and Fenner showed a much larger Chandler that I have been hunting for. I did just buy another last week, but the seller has some shipping issues and haven't received it yet. I may need some more info on the stop features.....never had any add'l parts or knew it was capable of that!.....looks like I may also need to make some dedicated tooling......thanks for the info and showing!
Hey Jim,
Download the instruction sheet. It shows all kinds of things these heads can do.
Cheers,
Tom
I want one of these! As a hobbyist they are insanely expensive from what I found.
Hi Dezil,
I found a larger model for $50 not that long ago on Ebay. You have to be patient. Thanks for the comment.
Cheers,
Tom
Tom, Maybe slow down the spindle RPM to lessen the "fuzz" from the facing function. I think the AL may be getting a bit too hot at the point of the tool.
That is one VERY cool item. Thanks for sharing! Eric
Seems very nice for quick stuff , but is there a way to adjust the feed/rev when you are facing ?
Hi Panzax,
No adjustment for feed/rev. Its .0025/rev which is pretty slow already. .005 on the diameter per rev of the hand ring.
Cheers,
Tom
Hi Tom. I've been watching your videos for a little while now and I currently bought your book. Love all the work you do for us viewers. I recently just acquired a mill/drill (Grizzly G1006) for the great price of free! I have no prior mill experience at all and I am trying to self teach myself. I have 3 questions for you that might help me.
1) I don't like the chuck that came on it and I want to get a high quality jacobs chuck. I want your recommendation on whether I should get a keyless or a keyed chuck.
2) In your book, you show that you made counterbores out of twist drills. I was hoping you might be able to go into detail about that or make a short video showing your technique.
3) Could you put together a short video or maybe some simple projects that would teach someone like me the general things I need to know about the mill. Maybe just show some tips and tricks.
I understand a lot of your viewers are experienced machinist, and you go into some pretty complex things in your videos. Hoping you could make a video or start a series of videos for the newbies like me. Thanks Tom for all the great videos and keep up the good work.
Best Regards, Michael
Hi Michael,
Thanks for the nice comment. For your drill chuck I would get a good quality keyed Jacobs chuck. If you don't want to to spend the big dollars on a high quality keyless then your asking for disappointment. The Jacobs keyed is reliable and robust. The counterbores are not something you can easily hand grind. Once you master grinding a good drill point then a flat bottom drill then you can expand into making a counterbore out of a drill.
On the videos on the basics there are dozens of really great videos already out there. I don't like to duplicate unless there is something really meaningful to add to the conversation. I try to focus on my projects and the operations related to those activities. Between all the pro's doing machine work videos on YT you should find more than enough to keep yourself occupied in the shop for something like the next twenty years.
All the best,
Tom
Off topic, but will you a video on slitting saws and arbors? The Chandler looks great. Did you check the hole size to see how accurate it is?
that boring and facing head is very old and rare.. :)
Awesome! When do you guys quit making my tool list longer?
That's just what I need to make a dovetail in a borehole.
Such a nice tool. Though, IMO, i don't think it belongs in a machine like that. I might be wrong, but to me it seems as if it's made for small work and a finer, more precise machine. But that's just my view.
I purchased this exact model on ebay this last summer. It had a straight 1/2" shank and when spinning, it looks like it was crooked. I took it all apart and mated it to an R8 shank that I machined out of a regular boring head shank that I bought for maybe $13.
I did not get the two "tool holder extensions" however, those two shaft like items with a square end on each. I would very much like to see a video looking at those in details so I could machine those too. For example, is the square part integral to the round part? Also, there must be some kind of keyway like groove on at least one of them right?
By the way, the shank is screwed in with 1/2"-20 thread. Any information you could provide on my two missing pieces would be greatly appreciated. Thanks for the video, it was very useful to me.
+Jacques Rioux Hi Jacques,
The two square tool holders are one piece affairs. They are sized to fit the tool holes in the head and then hold a tool of an equal shank diameter. I'm pretty sure they have flats on them to orient the tool with the locking screws in the head. There are no keyways in the ones I have. Send me an email and I will get you a couple of pictures. Thanks for the comment.
Cheers,
Tom
Aww man, that tool is trick! If you could you make an o-ring tool to fit into that chuck, it would be a hydraulics man's dream machine. Is that plausible?
I'm trying my best not to bombard you with questions knowing that "Doing it Better" will likely cover much of my ignorance.
Oh, and when you finish up that case, is there any chance you could make a video of it for us? That would be very interesting and helpful to guys like me who want to get organized, but lack the containers to do so.
Thanks for the share, and I'm already hungry for some Meatloaf, hehe!
Aloha...Chuck
Hey Chuck,
Yes you can do oring grooves. Its all in the tool bit. I'm not sure I like the box I made for it. I'm thinking I might want something different now.
Cheers,
Tom
oxtoolco
Well if you don't want the box...ahem ;)
Hehe, I still have to find a drill chuck to put into my tailstock, much less worry about having a box to put it in! In the mean time, I'm really enjoying some of your archives, and my mind is swirling around a few ideas on how to arrange and organize my garage and make some tool hangers and other mounts on walls near my gear. It coming together nicely...at least my chicken sketch looks sweet :)
I have been working the Atlas, making one of those exercise rods where I'm chasing some common diameters out of some "cream-cheese". Sadly I'm a bit spoiled from watching the "Chip Challenge" series, and my puny Atlas is an exercise in patience. It's a good thing farming is similar in that you work everyday, but still have to wait for the peak of ripeness to see any results. Taking care of my old man is another trail of the patience meter, LOL, but one I'm all too happy to enjoy!
Oh, and I should have some great reading material by Tuesday the 19th!
Aloha...Chuck
Very interesting tool Tom! An observation... the threads that control the tool movement must be very fine indeed. It takes a number of turns to move the cutter the slightest amount. Also, how would you make an internal snap ring groove if you did not have a tool like this one? Would you use a standard boring head? Thanks for a great segment! Fred
Fred, if possible chuck it on the lathe, to make a internal grove (I have a 8" round "tom lipton type plate" I bolt stuff to and chuck in the lathe for that reason. Project too big to toss on a lathe... standard boring bar with a groove cutter (made from 01).... Stop, adjust in 0.002", start, stop.... adjust.... groove takes over an hour. A couple of times a year, hard to every justify a Narex.
Thanks Tom. That's the process I would have used not knowing. Now I know and I agree with the justification comment. Fred
Hey Fred,
The Chandler uses a little worm gear setup to get the reduction from the ring to the slide. If I didn't have one I would be headed for the lathe or CNC mill when I needed a snap ring groove.
Cheers,
Tom
Hi. Is it possible to buy this particular head or a similar one but different size? My client is really impressed and we are willing to import it. Please let me know.
what type cutting oil you use brand name please
Where can i found one like that plz ?
Hey Tom,
Do you know what a Devlieg is?
It is the most beautiful horizontal Jig Mill ever made.
They are all hand scraped and oil pocketed on the ways.
Super precision Back before CNC was even thought of.
They made .005" like an open field.
The 5H had a 144" table.
I ran them at Koppers, and ---- when they were available.
Reguards,
Kap
kappullen Hi Kap,
I have seen a few of those Jig Mills. The ones I have seen were smaller than the 5H you mention. Never had the opportunity to run one. Thanks for the comment.
Cheers,
Tom
Wot, no chip breaker on your facing tool, you're letting us down, Mr Tom.
ATB
chris
Hey Tom. Nice demonstration. Have a question....I have a boring head that was given to me. It accepts a .375 boring bar but I don't have one. Any ideas on how to make one. I see the ones in your video have a rectangular shaped slot which accepts the cutter insert. It doesn't seem like too difficult to make one except how would I mill the slot? Maybe I need to buy a square drill bit? lol
Well you have it right. The square hole is the hard part. You can find steel boring bars in the catalogs KBC, Enco, Travers that have the holes broached in them. You can cut them in half for use in a boring head. They also sell dedicated shank boring tools for boring heads which are really nice. Lastly you can grind your own from a high speed blank.
Cheers,
Tom
Huh, wonder if that van bebber you speak of was related at all to bebber bros steel supply in petaluma.
Hey Max,
Yes he was. He was the grandson of the founding VanBebber.
Cheers,
Tom
oxtoolco Man, I love the bay area ;__;
Tom
Would you show us your Tree Taper boring head next?
Thx
Kap
kappullen Hey Kap,
I don't have a Tree taper boring head. A friend of mine does and he is in the process of changing the shank on it. We should be able to show it some time soon. Thanks for the comment.
Best,
Tom
I just purchase a Chandler Duplex boring and facing head (model D) off EBay. All the machinist websites I've searched have reference to the manual on Scribd.com but Scribd no longer has the manual available. Do you know where I can find a copy? Thanks!
Now that looks really scary, especially with this travel stop sticking out. Are you sure it is safe? :)
Hi Tom,
Nice tool, but even with some experience, I'm always a little scared to manipulate a rotating tool, mostly on powerful machines like milling machines and lathes... Youk.!
Take care,
Pierre
Hi Pierre,
You are pretty far from the business end of this one. Although the knurled ring will wear your skin off like 36 grit sandpaper its pretty tame.
Cheers,
Tom
Gday Tom,
Another toy Alfred brought up to you from the batcave. It's a great little tool !!!
I know you said the maker of this one is no longer around, but is there anything like it still made ? I've seen cheap Chinese boring heads that face too, but they aren't good quality.
cheers - Pedro...
Hey Pedro,
Non of the boring and facing heads are very cheap to purchase. You can find these Chandlers on ebay for reasonable money. There are several other high end makers that a google search or ebay search will reveal.
Cheers,
Tom
oxtoolco
Thanks Tom, I'll look around for one.
Cheers - Pedro...
I bought one of those but mine needs work. The ring doesn't turn and I can't get the r-8 arbor off to get into the workings and figure out what's wrong.
Hey Hobby,
Start by trying to take out the little knurled screw that goes through the small dial face. This should disconnect the slide from the gearing. You can then move the slide with an allen wrench inserted in the side opposite the dial face. There is a small hole there to use as a coarse adjustment of the slide.
Cheers,
Tom
oxtoolco Mine is actually missing that knurled screw. I've had the slide off and I hit a roadblock at the top where the ring is. Maybe I'll do a short video later showing how far I can disassemble it and where I'm having a problem. I can force the ring to turn a little, so I think the works are just clogged with chips and weasle snot :)
newby question...is this collet mounted?
Hi Mech,
This particular unit has a straight shank on it. So yes its collet or holder mounted. Thanks for the comment.
Cheers,
Tom
Gday Tom,
I have watched this video several times now with a lot of interest. The obvious facing feature of this tool is the big seller. But the snap ring & "O" ring grooves that can be done are also a "hey, get one of these things set up. Anyway, I bought one on ebay, from the US... Where can I get the accessories ? - the offset stuff for larger diameters Tom ?........ If you can help. Also how do you remove the arbor ? I will M/C an arbor like the one on your video. Or can you buy one ?.
Peter Spence Hey Peter,
The accessories for mine look hand made. I don't know what is stock and what is custom. There are some online PDF manuals that I found pretty easily that show some things. The arbor is another item. I think mine was a Morse taper originally. I think my buddy may have turned it down from the morse taper into a straight shank. What arbor is on yours?
Best,
Tom
+oxtoolco
Thanks for your reply Tom,
As I write this reply back to you, I am unwrapping it !. It looks in great cond. It has a #1 morse taper, and looking at it in the flesh, I think I'll leave it for now & not change it to a straight arbor. Maybe later.... I am about to check some "utube" vids on this thing.. It's a little 2" version.
Cheers - Pedro...
+Peter Spence,
Tom, the morse taper is #2. not #1
Cheers.........
I have one stamped Niles Bemmet Pond
try grinding a radius on the tool for facing it will act like a dynamic chamfer
dont suppose you have an instruction manual for this head, i have the same one.
I was able to find the manual online. This is how I learned how the stop is supposed to work. You should be able to find it pretty easily. Thanks for the comment.
Cheers,
Tom
Tom,
I have the baby of the daddy of them all that started it . WOHLHAUPTER UPA2 . Supposedly WOHLHAUPTER started it all. My boring and facing head dates back to mid 40s I believe. Beautiful crafted German tool. Evn though Im a CNC guy and out dated for my setup there beautiful fine crafted well oiled little machines.
I purchased it with a busted rack . Its mates is a worm gear Ive been reading for at least 3 months on gearing mates worms . Video after video . Still cant figure out the proper way to machine a rack with a helix almost to match the D.P. of the worm it mates to. If you know a thing about gears and there mates please drop me a line .
That would be a good meat loaf though something not many touch on, Making gears , hobbing involute cutters and button cutters.
Mark
Hey Mark,
A rack that mates with a worm is similar to a worm gear stretched out flat. When you cut the worm gear you have to gash the teeth at the correct helix angle prior to hobbing the gear with a helical hob. This would be the same angle you would use to cut the teeth of the rack. This is a slight simplification but basically the direction you want. There is a great section on milling spiral racks in the book "A treatise on milling and milling machines" by the Cincinnati milling machine co.
Cheers,
Tom
You should have never shown this. Now the screwball is going to have to get one and he is almost broke. This should push him over the edge for sure. :)
Hey Steve,
Were going to make him shop till he drops. He will never get anything done again.
Cheers,
Tom
Now I have a bad case of Tool Envy ...I caught myself Yelling ..I hate you..I hate you
Hey Fast,
Now I'll start shill bidding the really nice ones up on ebay. Bruhahahhaha.
Cheers,
Tom
Just adding a note here as someone that uses a boring/facing head, your spindle speeds are WAY too high in this video. For snap ring groove cutting you are usually at the 100rpm mark, for facing more like 250.
Why is it that watching someone do something on youtube can seem way more dangerous than when doing it yourself. Like I have hundreds if not thousands of hours on the table saw and while still have a healthy respect for them, I am confident in what I am doing. But watching almost anyone use a table saw on youtube, even in very safe ways is terrifying to me.
Thanks Tommy boy! I traded a gentleman on cl for one of these, mine is a bit bigger and on a 50 taper. Seeing a video on it is much nicer than reading an instruction sheet. Thanks!
Hey Blaze,
Do you have a 50 taper machine to use it in?
Cheers,
Tom
Yessir i have a k&t model 2k plain that is going through surgery to fix a broken feed gear in the knee. Hopefully she will pull through!