I served my time, to become a skilled centre lathe turner, from 1974 to 1979. I had heard of and used Kennametal tooling, but we mostly used TMAX 😁. Furthermore, I love the geometry of the tip you're using. I have NEVER seen a tip with 8 cutting edges! Fantastic. Cheers.
I've been watching ads for these inserts for some time and they sure look great. Your experience seems to verify this impression. Thanks for letting us take a look.
I’m always skeptical of new innovations like this where it’s clearly a proprietary Kennametal pocket on that toolholder, so the design is to keep you buying their carbide. That being said, might be great but won’t know until I spend more time with it.
That's one cracking tool . Back in the 80's Sumitomo made a side mount similar . I used to use for large conveyor rollers , was a great tool to reduce chatter & ringing . 👍
Pretty neat tool. I used Kyoceras MEV milling cutters a little bit ago, and they stand the insert up the same way. Ran pretty good, I would imagine more inserts are going to be oriented this way in the future.
That’s just astonishing the difference between the two tools the chip size was huge and the load savings on the meter brilliant that I’m sure will translate to reduced electricity consumption meaning presumably a better profit for the company. Looking forward to to seeing more trials Chris thank you 😊
@@chas1878 yes it’s definitely possible the motor to Chris’s machine is likely to be 15Kw rated minimum I would imagine possibly higher. When you’re using it day in and out 10% savings on 15Kw per hour starts adding up. And just to quantify what I’m saying I’ve got electrical qualifications but started out in engineering on old school machinery. Working for a Polish 2nd WW Fighter pilot in the Polish RAF Squadrons, which is another reason I like watching Chris so much as he’s Polish origins 😊😊😊
@@andrewtetley3883 that's pretty interesting. I only work with tiny machines compared to that behemoth and there's not much to rough to begin with. Good to know👍
@@chas1878 I don't know about older lathes but no its not a thing with new CNC equipment, We have 9 cnc machines in our shop lathes and mills, roughly this size. We spend about $1500 a month in electricity and we actually went through the trouble of seeing which machines drew the most and where the most expensive to operate basically our 20HP air compressor, and shop AC, were 95% of the electricity that we used. Our one lathe is rated at about 50 Kva and under normal running it was using under a dollar an hour.
When I look back I realise how fast time flies......at age 83, I've been retired for the last 20 years and previous to that spent 17 years in the office doing mainframe up date for tooling..........so, as a fitter and turner I was last on a lathe in 1980, one of those big Craven face plate lathes, machining loading chambers for the atomic energy commission for Hinkley Point and Hunterston B atomic power stations back in UK.......I believe they are now being decommissioned as obsolete. Carbide tips are not carbide tips any more, the configuration of tip topography has made tip (insert) recognition a new science that I'm far removed from.....if I had to start all over again I don't think I'd go into heavy engineering ever again..........back in the day we used Sandvic Coromant S1, S2, S3 and S4 grades triangular or square.....today I wouldn't know where to start looking but I have carbide and holders for my garage hobby use and they all come from China.
Craven Moore head is what we call one of our machines. That was the first machine we got back running after Katrina hit us. That has to be the most simple machine of large VTLs . Our machine is 96" table. Every guy that starts out in the machine shop has to run that machine first. It can take a beating.
@@cembellsteve A VTL........is that a vertical boring mill.........looks like a turret lathe standing on it's head, so, yes, a vertical turning lathe.......I worked on those in UK back in the 70's, made by Webster & Bennet.... heavy machines..... some we used had chucks you could stand on at 4 metres diam I wonder how better they would have worked with the new Fix8 insert technology.....the 8 cutting edges has to be a real boon. I think I could use those Fix8 inserts on my old 1930 Colchester Bantam lathe as one insert would probably last forever......LOL.
@@ChrisMaj Did you get that photo of the chips and inserts at 2:48 around the right way. Because between 1:56 & 2:04 the chips are clearly blue and at 2:28 the chips are clearly lighter. Is there something I'm missing when the chips have had time to cool down? Because when I look at the actual machining and you indicate the 10% less power the lighter coloured chips would tend to match that as in blue means hotter and hotter means more energy is being used to cut.
Reminds me of the Iscar Heliturn insert. I'm going to contact our Kenametal rep and get him to send me a tool and inserts to try. Thanks for the video!
@@markd7855 instead of copying people on the internet, like a sheep, you should really sit down with your tool supplier and discuss what tooling you need, so you get the best tooling for your machines and the work you do. You know, voice of reason kinda stuff. But hey, you do you.
Wow, man! Great results. I hope you get a raise for increasing productivity, lol. That's some great cutting. I like how the heat goes into the chip and not the tool.
I can remember seeing and using the same style of insert as an apprentice in the mid eighties, probably Seco at the time. They also work well roughing stainless steel
Let me know if you had a chance to try this tool. If you can get the inserts for a good price, it might be a good tool. It does have 8 corners. I need to spend more time with it.
This is the first I have seen of this. However I am a manual only repair machinists not a CNC manufacturing or production machinist. I am still lost in last century :) 8 corners is cool. It appears that you got some good life from the one you have. Did they tell you how much new inserts cost? Edit: I see down below you mention insert cost. Nevermind!
Huh that is a neat insert. Never used on before, but would love too. Always done manual and learning cnc now. So seeing feedrates and sfm is new. Always was used to just feeling how far was too far and bumping just below that. Still finding myself hopping manual every so often to not lose the skill
Yeah that's how I started it, all manual, but even now I still usually go by ear. If it sounds good, go for it. All this sfm, feed, speed looks good on paper, not always in real life. I'm a one-off guy so I'm not trying to save few seconds per part.
@@ChrisMaj yep I experience some people in my shop who ask me what calculations I do for feed rate when doing manual and all I really say is "use your ears" even had a few come up to me with the math they did and then it not working. Where I experiment by hand and pretty much push till chips turn blue (sometimes I keep going until I hear high or low pitch) and even then I go "this is a good speed and feed" same with threading. People used jigs to make a hss threading tool, but I learned the old old school way with no jigs. Just grind wheel, hss blank, and some water.
Hey chris, I recommend you to try a turning insert of Tungaloy LNMX insert (length 24mm). It reduces the spindle load by 40%. I was also facing this same problem of high load with CNMG. Try it, I know you’ll love it.
There are some antique inserts in the cabinet that look just like these. I think the holders have been lost to time. What was old is new again! But if it works, it's good!
I would have fitted that tool in the wrong way around at first, looks like it's the wrong hand. And 8 cutting edges per insert! Does it cost twice as much?
@@ChrisMaj Thats not bad at all. Looks like its cutting really really well. Im always interested in seeing how inserts behave once they start to break down, but it looks like this one might be able to cut for a long time.
It's amazing, magic inserts in 2022, and basically the same speeds and feeds we've been running for decades. Not to say this isn't a good insert, just that it won't magically remove stock.
It's the chip breaker geometry acts like a positive insert therefore less cutting force is needed.This style insert been around for a while but haven't tried it yet.It maybe worth trying since has twice as many cutting edges.
It dose have 8 cutting edges, but it goes for about $40 a piece. You can get the CNMG644 KC850 for $10 or even less if you lucky. I still have to play around with the feed/speed.
@@ChrisMaj It's dearer than I thought it would be Chris.Since my machine is nowhere near in size to yours I think I will have to stay with CNMG inserts.
Kenna have defo got the jump on the other big players in the industry in the last few years…one time we only used sandvik or Seco …now it’s kennametal and Guhring…predominately…very rare if ever we buy anything else
Does inertia affect the load on the spindle with machines this big? Biggest lathe Ive used was decently sized (cant remember chuck but the tailstock had a morse taper 4 in it) and Im wondering if the inertia helps (or even does anything) due to the parts being....well, massive
Hej. Właśnie płytki kennmetala zaciągane przez tą zawleczkę tylko dwu ostrzowe typ D2FIX używam na wytaczarce do zgrobnej obróbki, i muszę przyznac że sprawują się bardzo dobrze, Pozdrawiam. 👍
No ta ma 8 krawędzi i zaczyna mi się podobać. Mam go dopiero tydzień tak że nie miałem okazji wypróbować na maksa. Narazie to jest nowość tak że cennik też dość wysoki. Jedna płytka koło 40 dolarów, ale powiedział że jak zostawię ten nóż to zejdzie do $30 za sztukę.
Not many tools catch my eyes. This one on the other hand did. My sales person just dropped off our RH and LH test tools today. I will be attempting to run the tools in a CNC VTL. I have one question. Coolant ???? good or no good? Regardless I run coolant just to keep the part from warping. We do large diameter plates 30" - 120" dia. 2.0" - 4.0" thk. Its hard to switch tools like this. Will it be able to cut more exotic steels? 300 series stainless, inconell 625 and 825 , hastalloy, copper nickel, titanium, duplex 2205???????? I would hate to have one bad ass tool that can only run in carbon steel. I have always had a love for Kennametal. You might spend a little more on tools, but you get what you pay for.
I always like to use coolant just to keep things cool. We don't do any fancy materials mostly 4140,4340. I think you should be fine as long as you get the right inserts.
I used the CoroTurn 300 too. It was a sample from sandvik to test. I had my first Crash on a CNC Lathe with that tool. I just looked at the spindleload witch increased from 40% to 70%. Shortly thereafter the Workpiece comes out of the chuck. Surprisingly the cutting edge on the insert broke. Thats why the spindleload increased... The Workpiece smashed the Holder and the machine needed to be settet up again.
USD30/ seems a bit rich... You have to balance the costs, machining time verses tooling costs of course... Time will tell. Do you think it's a roughing only insert?
@@captcarlos Yeah, I think it's a roughing insert. That's probably the only way you can get your money's worth and I don't like 1/16 radius on my finishing tools.
will it change gear above 200 rmp it could be a parameter set if you could get 50 100 rmp more before it wants to change it would help a lot i have a lathe pinacho fagor control I set it to shift to high gear at 700 . 850 before running mostly run in high gear ,, the spindle motor has 15 hp, which is ok for a medium class machine pinachio trarus 260 b
@@ChrisMaj mine is also high low. if you program 210 rmp, the machine will not switch from low to high gear ? or you have to do that manually?? . I understand if the servo motor runs at max rpm for the spindle to run 200 rpm mine was set to run 850 rpm in low gear it w s too many rpm for the servo motor so I set it to switch to high at 700 rpm I think yours could also go a little higher in rmp on the servomotor.... low/max rmp is always set in the parameters, they don't just run freely, then they burn out, I think 😃😃😃
I wish I could run this tool on our hankook however our maitnince department is terrible. Anything over 65% on the load meter and the rpms drop. the spindle stops due to belts slipping and the machine throws a bunch of alarms. My managers and the head of maintenance tell me that I am running it to hard and abusing the machine so to slow down.
@@ChrisMaj But you didn't. I just watched it again and you said "DOC". I watched a newer video you posted with the same tool and you did specify radial/per side. Not being a jerk but it makes a big difference.
@@ChrisMaj I do alot of stainless impellers and pump parts, on a 84" and a 60" VTL. How do they hold up on 300/400 ss if you've had a chance to run those materials with it and heavily Interrupted cuts ? I've been using Cnmg643s and Snmg866s so far, but I was trying to get into to trying some newer geometries/style of inserts. I got a Kennametal guy coming in, in a couple weeks but I couldn't find much info about what tools to even ask about for what I am doing.
1:26 - THX for the scale reference. 1:55 - "Load meter" here is two eyeballs, chip color and sometimes OMG! 2:27 - Probably can't make use of it here, but that is an Oh Em Gee 4:38 - The doubled insert serves as a chip-breaker? Making chips is time consuming. Years ago, in discussion with a supplier, it was obvious that the part we got was the scrap metal price; the cost to us was represented by the chips removed from it.
There are better Cnmg inserts with rough chipbreakers that are better then the kennametal insert ...you can't have a result by only one insert comparison . Also what would be the insert seat if One edge breaks ..also the cost of the insert is important to compare .
This is such a satisfying channel. Making chips, no talking, no nonsense
I served my time, to become a skilled centre lathe turner, from 1974 to 1979. I had heard of and used Kennametal tooling, but we mostly used TMAX 😁.
Furthermore, I love the geometry of the tip you're using. I have NEVER seen a tip with 8 cutting edges! Fantastic. Cheers.
I've been watching ads for these inserts for some time and they sure look great. Your experience seems to verify this impression. Thanks for letting us take a look.
I’m always skeptical of new innovations like this where it’s clearly a proprietary Kennametal pocket on that toolholder, so the design is to keep you buying their carbide.
That being said, might be great but won’t know until I spend more time with it.
That's one cracking tool . Back in the 80's Sumitomo made a side mount similar . I used to use for large conveyor rollers , was a great tool to reduce chatter & ringing . 👍
Iscar did one too. Same result, reduced load and chatter. The bonus was the 8 sides :)
Pretty neat tool. I used Kyoceras MEV milling cutters a little bit ago, and they stand the insert up the same way. Ran pretty good, I would imagine more inserts are going to be oriented this way in the future.
Thanks for putting that insert through this good test 👍looks like a winner
Nice video. I chuckled at statement at the beginning. Hopefully the armchair machinist warriors didn't get triggered. 😀
That’s just astonishing the difference between the two tools the chip size was huge and the load savings on the meter brilliant that I’m sure will translate to reduced electricity consumption meaning presumably a better profit for the company. Looking forward to to seeing more trials Chris thank you 😊
Saving relevant amounts of money on electricity being saved due to low motor-load is a thing?
@@chas1878 yes it’s definitely possible the motor to Chris’s machine is likely to be 15Kw rated minimum I would imagine possibly higher. When you’re using it day in and out 10% savings on 15Kw per hour starts adding up. And just to quantify what I’m saying I’ve got electrical qualifications but started out in engineering on old school machinery. Working for a Polish 2nd WW Fighter pilot in the Polish RAF Squadrons, which is another reason I like watching Chris so much as he’s Polish origins 😊😊😊
@@andrewtetley3883 that's pretty interesting. I only work with tiny machines compared to that behemoth and there's not much to rough to begin with. Good to know👍
@@chas1878 I don't know about older lathes but no its not a thing with new CNC equipment, We have 9 cnc machines in our shop lathes and mills, roughly this size. We spend about $1500 a month in electricity and we actually went through the trouble of seeing which machines drew the most and where the most expensive to operate basically our 20HP air compressor, and shop AC, were 95% of the electricity that we used. Our one lathe is rated at about 50 Kva and under normal running it was using under a dollar an hour.
@@chas1878 it’s not about saving the 10% on electricity, it’s that you can push the machine 10% harder for the spindle load, and shorten cycle times.
When I look back I realise how fast time flies......at age 83, I've been retired for the last 20 years and previous to that spent 17 years in the office doing mainframe up date for tooling..........so, as a fitter and turner I was last on a lathe in 1980, one of those big Craven face plate lathes, machining loading chambers for the atomic energy commission for Hinkley Point and Hunterston B atomic power stations back in UK.......I believe they are now being decommissioned as obsolete.
Carbide tips are not carbide tips any more, the configuration of tip topography has made tip (insert) recognition a new science that I'm far removed from.....if I had to start all over again I don't think I'd go into heavy engineering ever again..........back in the day we used Sandvic Coromant S1, S2, S3 and S4 grades triangular or square.....today I wouldn't know where to start looking but I have carbide and holders for my garage hobby use and they all come from China.
Craven Moore head is what we call one of our machines. That was the first machine we got back running after Katrina hit us.
That has to be the most simple machine of large VTLs . Our machine is 96" table.
Every guy that starts out in the machine shop has to run that machine first. It can take a beating.
@@cembellsteve A VTL........is that a vertical boring mill.........looks like a turret lathe standing on it's head, so, yes, a vertical turning lathe.......I worked on those in UK back in the 70's, made by Webster & Bennet.... heavy machines..... some we used had chucks you could stand on at 4 metres diam
I wonder how better they would have worked with the new Fix8 insert technology.....the 8 cutting edges has to be a real boon.
I think I could use those Fix8 inserts on my old 1930 Colchester Bantam lathe as one insert would probably last forever......LOL.
Thank you for the comparison, it's nice to see that this new shape actually makes a difference.
We'll see how it does in a long run. I'll have to try to bump up the sfm.
@@ChrisMaj Did you get that photo of the chips and inserts at 2:48 around the right way.
Because between 1:56 & 2:04 the chips are clearly blue and at 2:28 the chips are clearly lighter.
Is there something I'm missing when the chips have had time to cool down?
Because when I look at the actual machining and you indicate the 10% less power the lighter coloured chips would tend to match that as in blue means hotter and hotter means more energy is being used to cut.
Wow! Amazing what advanced metallurgy brings.
The surface finish is surprisingly immaculate too
Reminds me of the Iscar Heliturn insert. I'm going to contact our Kenametal rep and get him to send me a tool and inserts to try. Thanks for the video!
Sheep
@@madaxe79 what the hell does that mean?
@@markd7855 instead of copying people on the internet, like a sheep, you should really sit down with your tool supplier and discuss what tooling you need, so you get the best tooling for your machines and the work you do. You know, voice of reason kinda stuff. But hey, you do you.
no it's kennametal
it is actually a face milling insert they come in different sizes
@@christophercolumbus8944 and every company has a version of it.
Wow, man! Great results. I hope you get a raise for increasing productivity, lol. That's some great cutting. I like how the heat goes into the chip and not the tool.
I don't know about that raise, they weren't too thrilled about the price of the inserts. 😅
Time is more precious than money, lol
Good job! Nice demo.
I can remember seeing and using the same style of insert as an apprentice in the mid eighties, probably Seco at the time. They also work well roughing stainless steel
You know how it is. They will change the geometry of the insert little bit and call it their own.
Titans of CNC , did good marketing for Kennametal xD
I seen one of them used on ABomb’s Channel with a manual lathe it seemed like chewed thru the steel like butter. Boom!!
Awesome comparison
Let me know if you had a chance to try this tool. If you can get the inserts for a good price, it might be a good tool. It does have 8 corners. I need to spend more time with it.
This is the first I have seen of this. However I am a manual only repair machinists not a CNC manufacturing or production machinist. I am still lost in last century :)
8 corners is cool. It appears that you got some good life from the one you have. Did they tell you how much new inserts cost? Edit: I see down below you mention insert cost. Nevermind!
Didn't get my hands on the fix 8 stuff. But worked allready with the old Hertel fix perfect. That are great Tools, even on Manual Machines.
i have
they promised .5" per pass (.25 per side
but i only got like .3 to .350
on mild steel !!!!so i wouldn't even go beyond that for anything harder
@@christophercolumbus8944 Did you watch the video? That thing can easily take 0.470"(per side) in 4140 steel.
@@ChrisMaj per side?
like .9 diamter per pass ?
that's actually quite some tool mate... gotta pester my boss to gimme the okay to order one :D
Nice chips, thanks for sharing 😁
Haha I see the titan BOOM you mentioned
2:50 widać dużą różnicę w kolorze wióra.
Nie zgadniesz jaka reklama wyświetliła mi się przed twoim materiałem😁😁
No domyślam się 😅. Podobno więcej ciepła ma iść w wióra, resztę zobaczymy po dłuższym czasie.
I to są wióry! 💪🏻
Pasował by troszkę mocniejszy silnik w tokarce.
Huh that is a neat insert. Never used on before, but would love too. Always done manual and learning cnc now. So seeing feedrates and sfm is new. Always was used to just feeling how far was too far and bumping just below that. Still finding myself hopping manual every so often to not lose the skill
Yeah that's how I started it, all manual, but even now I still usually go by ear. If it sounds good, go for it. All this sfm, feed, speed looks good on paper, not always in real life. I'm a one-off guy so I'm not trying to save few seconds per part.
@@ChrisMaj yep I experience some people in my shop who ask me what calculations I do for feed rate when doing manual and all I really say is "use your ears" even had a few come up to me with the math they did and then it not working. Where I experiment by hand and pretty much push till chips turn blue (sometimes I keep going until I hear high or low pitch) and even then I go "this is a good speed and feed" same with threading. People used jigs to make a hss threading tool, but I learned the old old school way with no jigs. Just grind wheel, hss blank, and some water.
Great video.
i will vouch for these insert 1000% phenomenal performance. using it for heavy duty roughing on shaft work night and day difference.
Going to give this a look where I work. I run a Doosan Puma 700 lathe. This could possibly help rip the skin off the castings we do
If you can, give it a try. You sure got the HP.
Hey chris, I recommend you to try a turning insert of Tungaloy LNMX insert (length 24mm). It reduces the spindle load by 40%. I was also facing this same problem of high load with CNMG. Try it, I know you’ll love it.
There are some antique inserts in the cabinet that look just like these. I think the holders have been lost to time. What was old is new again! But if it works, it's good!
Frohe Ostern!
Dir und deiner Familie auch schöne Ostern
I would have fitted that tool in the wrong way around at first, looks like it's the wrong hand.
And 8 cutting edges per insert!
Does it cost twice as much?
If I keep the tool I'll probably get the inserts for about $30 a piece which isn't that bad.
@@ChrisMaj Thats not bad at all. Looks like its cutting really really well. Im always interested in seeing how inserts behave once they start to break down, but it looks like this one might be able to cut for a long time.
Looks like heat is going in chips better. Looks to be running like a dream
I've only had it for a week, but I like it so far. It might be a keeper 😉
Looks like it's working similar to how a face mill with tangential inserts does.
That's looks great, hope it holds up
Nice 👍😊😊
It's amazing, magic inserts in 2022, and basically the same speeds and feeds we've been running for decades. Not to say this isn't a good insert, just that it won't magically remove stock.
It's the chip breaker geometry acts like a positive insert therefore less cutting force is needed.This style insert been around for a while but haven't tried it yet.It maybe worth trying since has twice as many cutting edges.
It dose have 8 cutting edges, but it goes for about $40 a piece. You can get the CNMG644 KC850 for $10 or even less if you lucky. I still have to play around with the feed/speed.
@@ChrisMaj It's dearer than I thought it would be Chris.Since my machine is nowhere near in size to yours I think I will have to stay with CNMG inserts.
Kenna have defo got the jump on the other big players in the industry in the last few years…one time we only used sandvik or Seco …now it’s kennametal and Guhring…predominately…very rare if ever we buy anything else
That's an interesting design.
I wonder how it's made
Different coating?
ein werkzeug zum spass haben :)
seems like it does just fine.
The carbide itself costs approximately 10 times a CNMG. Does it last that many times longer under the same conditions?
That insert really rips! What was the weight n that big (second) shaft? What a monster!
6900 Lbs
Welcome to titans of cnc... of wait, it’s actually a good channel...
Does inertia affect the load on the spindle with machines this big? Biggest lathe Ive used was decently sized (cant remember chuck but the tailstock had a morse taper 4 in it) and Im wondering if the inertia helps (or even does anything) due to the parts being....well, massive
Only for 3 seconds...Less in low speeds
the way i see it , it helps in a bump , a hard spot , interrupted cut... but if you apply a continuoos high load , then it won't help at all .
Hej. Właśnie płytki kennmetala zaciągane przez tą zawleczkę tylko dwu ostrzowe typ D2FIX używam na wytaczarce do zgrobnej obróbki, i muszę przyznac że sprawują się bardzo dobrze, Pozdrawiam. 👍
No ta ma 8 krawędzi i zaczyna mi się podobać. Mam go dopiero tydzień tak że nie miałem okazji wypróbować na maksa. Narazie to jest nowość tak że cennik też dość wysoki. Jedna płytka koło 40 dolarów, ale powiedział że jak zostawię ten nóż to zejdzie do $30 za sztukę.
That much metal removal, those inserts are worth the price x8 sides. Here, I'm cutting .250 dia up to 5.0 dia with 432 & 431 inserts.
Boom
Fuck, now I have to buy this tool for my cincinatti, thanks for the vid, badass tool fo sho
If you got the HP try it.
How much powers does this spindle has? The fact that you are not able to hit high SFM probably is helping tool life a lot.
Spindle motor (30min/ cont) kW (HP) AC 26/22 (35/30)
If you chip or damage one edge of the insert, will that affect anything when you re-index it in one the remaining seven positions? Thanks.
I have no idea. I had it only for a week and that was the first cutting edge, but I hope not.
That's interesting, I wonder why spindle load was reduced, why is that cutting easier than the cnmg?
Cutting angel
How much do the inserts cost compared to the cnmg?
Not many tools catch my eyes. This one on the other hand did.
My sales person just dropped off our RH and LH test tools today.
I will be attempting to run the tools in a CNC VTL. I have one question. Coolant ???? good or no good? Regardless I run coolant just to keep the part from warping. We do large diameter plates 30" - 120" dia. 2.0" - 4.0" thk. Its hard to switch tools like this. Will it be able to cut more exotic steels?
300 series stainless, inconell 625 and 825 , hastalloy, copper nickel, titanium, duplex 2205???????? I would hate to have one bad ass tool that can only run in carbon steel.
I have always had a love for Kennametal. You might spend a little more on tools, but you get what you pay for.
I always like to use coolant just to keep things cool. We don't do any fancy materials mostly 4140,4340. I think you should be fine as long as you get the right inserts.
@@ChrisMaj
Good deal. Thanks for responding.
On your testing in the video, you really used only 1 edge? If that is right. Very impressive.
I just got this in from kenametal but they sent us LH inserts with the RH holder..........so here I am. waiting impatiently .
That's a bummer, let me know how you like it when you get a chance to try it out.
Yep need to get Kenn rep to send 1 an box of inserts, big $$$$ probably fof inserts
You are looking at about $40 a piece.
Similar to the CoroTurn300 , but this one takes a lot more d.o.c. .
Chris you need a bigger lathe :D
I used the CoroTurn 300 too. It was a sample from sandvik to test. I had my first Crash on a CNC Lathe with that tool. I just looked at the spindleload witch increased from 40% to 70%. Shortly thereafter the Workpiece comes out of the chuck. Surprisingly the cutting edge on the insert broke. Thats why the spindleload increased... The Workpiece smashed the Holder and the machine needed to be settet up again.
@@oberender64 that's unfortunate .
Definitely need a bigger lathe. I'm running out of HP.
Looked good, power meter lower was good.
Non ISO insert @
USD30/ seems a bit rich...
You have to balance the costs, machining time verses tooling costs of course...
Time will tell.
Do you think it's a roughing only insert?
@@captcarlos Yeah, I think it's a roughing insert. That's probably the only way you can get your money's worth and I don't like 1/16 radius on my finishing tools.
is he using negative rake angle tool???
looks like you can go one size smaller on the insert since you're not using full depth of cut and already maxing out the machine
I don't think they make smaller sizes and 0.470" is the maximum depth of cut so I'm right up there.
boom.
BOOOM haha
wow i love me some fat chips BOOM
will it change gear above 200 rmp it could be a parameter set if you could get 50 100 rmp more before it wants to change it would help a lot i have a lathe pinacho fagor control I set it to shift to high gear at 700 . 850 before running mostly run in high gear ,, the spindle motor has 15 hp, which is ok for a medium class machine pinachio trarus 260 b
It's a low/high gearbox, can't change it.
@@ChrisMaj mine is also high low. if you program 210 rmp, the machine will not switch from low to high gear ? or you have to do that manually?? . I understand if the servo motor runs at max rpm for the spindle to run 200 rpm mine was set to run 850 rpm in low gear it w s too many rpm for the servo motor so I set it to switch to high at 700 rpm I think yours could also go a little higher in rmp on the servomotor.... low/max rmp is always set in the parameters, they don't just run freely, then they burn out, I think 😃😃😃
I wish I could run this tool on our hankook however our maitnince department is terrible. Anything over 65% on the load meter and the rpms drop. the spindle stops due to belts slipping and the machine throws a bunch of alarms. My managers and the head of maintenance tell me that I am running it to hard and abusing the machine so to slow down.
Tell them that at 65% the machine is just getting warmed up 😉
If the Inserts are $30 each,, he's removed a bucket load of metal for $3.75. ($30 / 8 = 3.75).
Yeah, if you look at it this way, it might be worth it 😅👍
If you want to determine ROI it is the only way to look at it. 😉
Was the DOC you were taking diametric or radial?
I always post the DOC per side. 0.300" doc, 0.600" on diameter.
@@ChrisMaj But you didn't. I just watched it again and you said "DOC". I watched a newer video you posted with the same tool and you did specify radial/per side. Not being a jerk but it makes a big difference.
Hey Chris, its 2 years later, how do you feel about the Fix8 now?
So far, I really like it. I just wish my lathe had more HP.
@@ChrisMaj I do alot of stainless impellers and pump parts, on a 84" and a 60" VTL. How do they hold up on 300/400 ss if you've had a chance to run those materials with it and heavily Interrupted cuts ?
I've been using Cnmg643s and Snmg866s so far, but I was trying to get into to trying some newer geometries/style of inserts. I got a Kennametal guy coming in, in a couple weeks but I couldn't find much info about what tools to even ask about for what I am doing.
@@procyonia3654 we don't do much SS, so I can't help you with that.
How can we get back to in person voting with ID required there is no way there checking all the mail in ballots signautes
It looks like CoroTurn 300 from Sandvik.
RUclips stuck a Kennametal ad for this insert right at the start of the video... 🙄😂👍
You watched the whole thing right? Cause that's how I make my cut. 😉😅
@@ChrisMaj yep.. 😎👍
Kennametal has the holders made in India, and the inserts in Germany. Buy American ?
Americans are slacking 😅
i bet this tool is like it was made for the new doosan they got at my work
Yeah, they do have the HP to handle this tool. They are still pricey if you ask me, but if you do a lot of roughing they might be worth it.
@@ChrisMaj Don it have 8 edges? You have to calculate based on that.
@@TommiHonkonen They do have 8 corners, but they will cost you about $40 a piece, maybe less if you buy more. You can get CNMG644 for like $10.
@@ChrisMaj so 5$ a corner. The rest is kinda dependent on how much the machine can do.
What is the power of your lathe (in kW or HP) when it is at 100% spindle load?
Spindle motor (30min/cont.) kW(HP) AC 26/22(35/30)
@@ChrisMaj Thanks! That's a beast! :-)
Use TaeguTec make TurSfeed tool, you will be able to take 3mm/rev feed rate easily.
Yeah, that might work for small diameter parts and machines with high rpm. My lathe maxes at 630 rpm
Hey, have you ever stalled your Lathe?
Not yet
@@ChrisMaj How much depth of cut do you have to take to stall your Lathe?
Did you tried it in hard 4340 (373-400bhn) yet, im going to try it soon in that material I'll keep you posted
Not yet. I've only had it for a week and that was the only job I had lined up, but I'll get there.
@@ChrisMaj I'll give you my results as well!
@@Cheeta666 what machine are you running?
@@ChrisMaj qtn 500
@@Cheeta666 If that's the one with 80HP then you be ripping some metal. The inserts in the video (KCP25B) supposed to be good for 4140/4340
By the way i have the same problem on a haas.high gear has much more load
1:26 - THX for the scale reference.
1:55 - "Load meter" here is two eyeballs, chip color and sometimes OMG!
2:27 - Probably can't make use of it here, but that is an Oh Em Gee
4:38 - The doubled insert serves as a chip-breaker?
Making chips is time consuming. Years ago, in discussion with a supplier, it was obvious that the part we got was the scrap metal price; the cost to us was represented by the chips removed from it.
Just a new version of Hertel / Kennametal Fix Perfect. 👍
Yeah, all these companies just copy from each other. Change the shape of the insert a little and call it their own.
@@ChrisMaj True, but I am ok with my old tool holder! 😉
Скільки коштує різець до токарного
Держатель инструмента стоит около 150 долларов и одну пластину около 35 долларов, но пластина имеет 8 углов.
There are better Cnmg inserts with rough chipbreakers that are better then the kennametal insert ...you can't have a result by only one insert comparison .
Also what would be the insert seat if
One edge breaks ..also the cost of the insert is important to compare .
In europe i pay 45€ one insert :))
the insert you have is newer geometry so try taking .25 DOC see what happens
you can only OD turn with it no facing
I don't know where you got your info, but that thing can take 0.470" cuts and 0.150" face turning.
@@ChrisMaj you don't face with it period
are you on NOVO app? this is a OD turning tool you fool
@@christophercolumbus8944 5:04 who's the fool now
@@christophercolumbus8944 from your comments it sounds like you have never seen a lathe before.
@@christophercolumbus8944 I guess I was right, cause you erased your comment. Next time do your research before calling someone "FOOL"
Made in India, that's all I need to know. If I'm paying first world prices, I expect a first world product.
The inserts are made in Germany
rasain kenamental
And made in the good ole USA
Actually the tool holder was made in India and inserts in Germany.
@@ChrisMaj Sarcasm is not one of your strong points
@@jamesadams893 After reading some of the comments sometimes I'm like, "is he for real or is he just fucking with me".
made in india ???
Made in the USA
Made in India, seriously, at those prices.
Inserts are made in Germany
5х
Kopien von der Firma Hertel.
Platte hat andere Geometrie.
would love to know how they work on EN24T (4340 steel in your part of the world)
Darn, I was wrong, It isn’t a duck. 🥸
It makes a very nice chip. Wish my little 7.5hp lathe would run it lol.
You can always take smaller cuts 🤗