Making the ULTIMATE Bending Machine Part1: Hossfeld?

[@mudnducs]

Clearly a LOT of thought went into your design. 👍

[@mackdaddynutjob]

Best anvil stands I've seen on KZbin... Simple and functional.. (others - chain or place funky clamps)

[@richardlibby2407]

Brilliantly designed, and executed!!

[@bartharkemametalworks2299]

Thanks

[@tonyhoerter852]

The problem with chatter is because you failed to clean the outside diameter of the material to a clean bearing surface before applying your steady rest. Nice build👍

[@PotatoOwO0367]

Genius idea

[@kingkonghao9898]

GOOD JOB!!!

[@evolati12]

How did I know you subscribed to AvE and TOT!!!! That’s the only channels I thought of in the beginning when you started off talking with your hands! New subscriber here. Very good vijeo!

[@bartharkemametalworks2299]

Haha yes! This was my little tribute to TOT and AvE.

[@garybendickson7262]

Well Done I like what I see

[@jtreedog409]

you are a master craftsman

[@bartharkemametalworks2299]

Thanks

[@mikecondoluci53]

nice work great video thanks

[@bartharkemametalworks2299]

Thanks👍

[@ilyaaronov3186]

What type of milling machine you have?

[@zedo5851]

Hi very nice build. Your vibration on the lathe could possibly due in part to the gibs needing adjustments and cutting having to large a radius.

[@edgeluk]

Great video and great job! can you tell me what is the diameter of holes in frames ans distances between them? Thanks a lot

[@berntinulkshredder]

What I love is your drill come mill, which machine is that, and your lathe too, good speed pickup and yes the indexing attachment.

[@bartharkemametalworks2299]

Thanks! The machine is a Hommel UWG 2.

[@fazernaoficina]

You have plans? Greetings from Brazil

[@anonymousgeorge4321]

Nice work.

[@bartharkemametalworks2299]

Thanks!

[@NightEternal1]

Hey man nice video! As a machinist I'd say your feed is definitely slow but also you take too light of a cut. Try doing at least 0.5 to 1mm depth with a minimum feed of 0.1mm Also if you can use a bit with more of a radius carbon steel doesn't like pointy tools, a 0.8mm to 1.2mm point should work great 👍 I'll keep watching the build keep up the good work

[@confusedbadger6275]

Was that a little homage to This Old Tony at the beginning?

[@bartharkemametalworks2299]

Yep! :-)

[@R2_D3]

Wat is die Hommel UWG2 een mooie machine, zo ongelofelijk veelzijdig!! Helemaal als je alle add-ons erbij hebt! Dat is wel een droommachine om te hebben als hobbyist!

[@bartharkemametalworks2299]

Ja dat is zeker waar. Helaas ook erg duur als je alles bij elkaar vinden kan. Ik heb het geluk dat mijn vader deze machine al jaren lang heeft en ik er vanaf kinds af aan mee mocht werken.

[@w123300tdt]

True craftmanship! very very nice. chatter caused by probably to less depth of cut and to slow feedrate. You can put the center height a little bit higher, helps sometimes. but like always trial-and-error... when was the last time you checked the tapered key of the cross slide? maybe there is a little play on it. you can tighten it to take the play out.

[@bartharkemametalworks2299]

Thank you! And I will try different options for the chatter. Checking the cross slide is a good one, I haven't done that. And I hope it will get better with other type of inserts, stronger insert holder and more feed rate.

[@dimitribalde5636]

Heel slim bedacht en mooi uitgevoerd! Ik wou dat ik hem had bedacht!

[@bartharkemametalworks2299]

Dank je

[@kumaralockwood3172]

About time a KZbinr made a descent bender. Very nice 👍. But even with your counter-leaver I think you will still need a bottom fixing. All I did was chemset two tapped bar stock flush with the top of the floor so I can wheel it over the top of them and drop the wingnut bolts through the base plate for bending the bigger stock. From the land down under 🇦🇺

[@bartharkemametalworks2299]

Thanks! And yes a solid table is always better (or bolting it down to one). But at that time I didn't have the space for that. I am making a large ficture table in my new shop with the same hole pattern so I can also bolt it on there. But until now I havent realy needed it. The extra leverage arm puts to force more in line with the table holes and there is not a lot of rotational force. And it also is a sort of safety factor because the top plate is only mounted with 4x10mm pins. I dont want to have to much force on them.

[@aigretbenoit]

Nice work! I've been thinking of making one myself. what steel did you use to make the arms? S235C or stronger? and for the axle pins? how is it holding up?

[@bartharkemametalworks2299]

Just normal Cold Rolled steel. It's holding up good sofar.

[@stanmcdonald]

Do you have plans for the bender? What is the size of the round plate with the hole in it and what are the x and y coordinates? Thanks Best bender on the net Id say I want to make one.

[@bartharkemametalworks2299]

Thanks Stan. Sorry for the late reply. The plate is 400 mm and 30 mm thick. Hole pattern is based on X-Y coordinates. On the two center lines the holes are 30 mm apart. After that, the X-Y lines are 60 mm apart. The holes are 20mm.

[@aaronledford4070]

The reason the rachet bar bent wasn't so much the stress built up in the metal. It's the heat from cutting the notches out. The thermal expansion from the heat of the grinder causes the bend. Even though it contracts when it cools it still deforms the metal so it doesn't come back to true. This effect can be used to your advantage in some circumstances. Like when you want to correct a slight warp in a shaft. Heating the inside of the bend will cause it to bend the other way and when cooled it won't come back to where it was

[@bartharkemametalworks2299]

Hi Aaron. Thanks for the feedback. It will be interesting to test this out. The heat input was very low and the hole already drilled. So no heat input on the back side where the bent was going. I can make a new one without the grinder and use a normal hack saw. Still I think there is a lot of tension inside cold rolled steel. About the straightening of the shaft, in my mind it will always pull to the heated spot (shrinks) and not expand. Isn't that the case? Greetings, Bart

[@aaronledford4070]

@@bartharkemametalworks2299 just get you a piece of flat steel even and try it out. Heat one side a bit and then rapidly cool it. See how far it bends. Maybe try clamping one end in a vise and set up a dial indicator on the other end. Then you have a good visual of what happens. It doesn't take too much heat to get it moving. Also stress can be removed from metal by peening it with a hammer while as it cools. Just the same as peening a weld

[@MsHomesteader]

Awesome design, what is the lay out plans for the holes in the main plate that you had your friend drill for you? Like the design and would like to build some something along this design.

[@bartharkemametalworks2299]

Thanks and sorry for the late reply. The plate is 400 mm and 30 mm thick. Hole pattern is based on X-Y coordinates. On the two center lines the holes are 30 mm apart. After that, the X-Y lines are 60 mm apart. The holes are 20mm.

[@MsHomesteader]

@@bartharkemametalworks2299 Thank you, looking forward to trying to make my own.

[@marianodiaz461]

Barts Metalwork hi : I’m trying to draw the hole pattern according to the sizes given , and it does not look the same , can you please clarify to me If the holes that form the cross that bisect the center are at 30 centres , and then the holes that are parallel to those lines are 60 mm between the center line of the holes that are 30 mm apart , that will be 120 mm distance between the holes at either side of the line of holes that are 30 mm apart. Thank you

[@marianodiaz461]

Hi Bart; that multi purpose milling machine that is shown do you have any videos os the build? Looks like that the gearbox come from a heavy duty washing machine...

[@bartharkemametalworks2299]

Is a Hommel UWG2. A very expensive (toolmakers) washing machine.... ;-)

[@marianodiaz461]

Barts Metalwork so sorry , I’m a retired tool maker and have not seen that machine in my 60 years of trade... may have to go back....

[@josephbohme7917]

I need for 4" flat bar bending, you need longer cylinders.

[@sickboymech92]

Axles are usually mid-high carbon, or chrome moly.

[@bartharkemametalworks2299]

Yes but these are much cheaper and I don't use the machine that much. I think they will be strong enough and I can always upgrade. High carbon would be more wear resistant, although I rather wear out the axle and replace that then the plates. I would also be interesting to see if they cold rolled steel is actually weaker for this because the forces are many shear forces.

[@renoszervopoulos3134]

Hey,Bart what you thing that would be your next project..i say that would be a space suttle or maybe a nuclear reactor...ln any case i trust you to build anything...i admire your workshop anyway.very welldone construction and perfect ideas..please continue teaching. many to learn from your videos...well done...thumbs up from Greece!

[@bartharkemametalworks2299]

Thank you Renos! And fun fact, I did work at the Dutch / German Aerospace Instituut for almost 6 years.... :-)

[@renoszervopoulos3134]

From the way you construct your projects,it looks like if you make plans first and then make things.this is knowhow and not very common to find it .by the way i am in fond with your lathe.nice piece of machine.keep it always as it is..bravo

[@berntinulkshredder]

You were feeding too low when turning, so the tool tends to stay for long to encourage vibration.

[@andrewrobb633]

Hi Bart, what was the name of that combination machine please. i know you mentioned it but I just cant catch the name. Cheers

[@bartharkemametalworks2299]

It's a Hommel UWG2. You can still find some at the German Ebay but they are expensive.

[@andrewrobb633]

@@bartharkemametalworks2299 thanks for the reply mate it is a very interesting machine. I particularly like how the head, spindle, motor arrangement works.

[@iiredeyeiiredeye1569]

A very nice looking build. I'm really looking forward to seeing it finished...You certainly have an eye for design, a couple of points I'd like to raise in relation to the manufacture, Sorry but did you reverse out the hand reamer at the beginning? I thought it looked like you did even though it was sped up...Anyway this is a big no no, reamers only ever should travel in one direction. Second.. your turning...Do not remove your centre until after final cut is made, almost certainly it will not have any detrimental effect on this application but if you're trying to turn something very accurately then it will. Third the chatter as you were right to guess is always caused or negated by speed and feed...It doesn't matter what your cutting or on what machine, as long as you have a reasonable set up you can always dial out resonance with different speeds and feed rates. Fourth TIG welding with heavy 3mm ish? welding rods is a horrible thing to do. The end of that rod stays red hot for a very long time, and when you remove it from your gas shield it immediately oxidises, if this happens snip the end of with side cutters before proceeding, because every time you do this you are adding contaminants to your weld. Anyway enough of that, as I say it's a very interesting looking project. Good luck.

[@bartharkemametalworks2299]

Thanks for the compliment and feedback. I'm not sure if I reversed the reamer but I don't think I did. I know its not a good thing. The turning, yes the center is not perfect and will change the position. For this project it was not so important. But I do have to learn more about speeds and feeds for this Lathe and the different tooling that I have. The biggest chatter was caused by a lose gib. Tig rod was 2 or 2.4 mm. I like the thicker one's but I make sure to keep it in the shielding gas when it is hot (and clean it before welding). The project is finished and has a part 2-3-4 on KZbin so you got some viewing ahead ;-). Thanks for the tips and if you have any more then please share. Where here to learn (at least I am :-)

[@anthonymontero9086]

Good partner a query. What machines do you use to carry out these machining and what brands are they? From what I see it is a lathe and a milling machine I would like to know if I am correct. I would like to buy one of those machines in the very near future. I live in Peru - Lima. I am interested in the brand of these teams to see how I could buy the same ones, they look very versatile. Thank you for your support, it would be very helpful to me.

[@bartharkemametalworks2299]

The brand is not so important. Just find a good size lathe and milling machine. I used a Hommel UWG and a Schaublin 102VM but both are hard to find and expensive.

[@anthonymontero9086]

@@bartharkemametalworks2299 Thank you colleague I will keep it in mind, thank you for the contribution.

[@Sunrayman123]

Your shop? What electric service?

[@markman63]

Sunrayman123 190 volts from the outlet

[@kierondesmond7791]

Brilliant! And that's from a very critical armchair KZbin viewer =D

[@bartharkemametalworks2299]

Waiting for some critical feedback on part 2-3-4 now 😉

[@speedwaynz3185]

What speed are you running

[@bartharkemametalworks2299]

Don't exactly know. More with feel than with actual numbers.

[@williamduffield4964]

If you have any suggestions friend me on FB.

[@saberabdelhadi5637]

👏👏👏👏👏👏👍

[@lourias]

I have never used a lathe, but I have heard bad bearings in motors. Check your bearings on the lathe. Perhaps you have one going out thar is causing your chatter.

[@bartharkemametalworks2299]

Yes I need to check these. Although the main problem with the chatter was caused by a lose way gib.

[@mr1hander]

the steel looks really gummy.. .. ive cut that stuff before too, it seems to rip or tear more than cut cleanly, try increasing the chip load., with less rpm or a slightly deeper cut, very nice build

[@bartharkemametalworks2299]

Thanks, I'll give it a try. That to problem with scrapyard steel. You never know what you get.

[@mr1hander]

@@bartharkemametalworks2299 also if youre using a HSS cutter, keep it razor sharp and put a little bit of a radius on the leading corner that cuts first and use plenty of cutting fluid

[@williamduffield4964]

Hay Bart, are you selling them? cant find anything like that on the market?

[@bartharkemametalworks2299]

No sorry, i'm not selling them. And true, there is no one like this on the market, that's why I build one ;-). But it's a combination of multiple bending machines and you can buy every one as a single machine. Depending on your needs, I would start with a hossfeld type of bender.

[@jasonmpd2946]

For speeds and feeds checkout Saunders channel NYC CNC and his project company Provencut.

[@bartharkemametalworks2299]

Thanks, I will look at it!

[@gerryforce6344]

Hello you come from Germany?

[@bartharkemametalworks2299]

Almost, where neighbour's (the Netherlands). But my girlfriend is from Germany and I can speak German.

[@jtreedog409]

you must have every tool known to man

[@bartharkemametalworks2299]

No still missing a few 😄

[@markrainford1219]

@ 18:55 did you just flip me the bird?

[@bartharkemametalworks2299]

Noooo, I was just showing the band-aid after I cut my finger with the shimstock foil.

[@Shnick]

It happens.

[@vizibug]

where,..? on this planet,..?..did you find that confabo-torque-ulated machine?... with all handles n knobs n what-not?...German?...

[@bartharkemametalworks2299]

You mean the milling/drilling/lathe machine? It's a Hommel UWG2.

[@kingkonghao9898]

Hello I am a Chinese fans can give me a copy of your drawings? I want to copy a use do yourself is so great!

[@bartharkemametalworks2299]

I didn't make any plans. I build it as I go and use the metal that I had laying around.

[@ToanNguyen-sw1kp]

Việt nam

[@clist9406]

Or get one for 150 online. Only going to bend flat stock and there is a much solution. Without Mandela you are not bending tube , or at least bending clean. Spend a little more and get the hydraulic version no point spending a day busting your muscles the bend it

[@bartharkemametalworks2299]

Thanks for the feedback. If someone would only use the Hossfeld than you can also buy it. But a combination machine like this (see part 4 in the end) with a small footprint is not for sale any ware. And I think there are more reasons why someone would build there own than financial reasons. Muscles, are you busting of building ;-). No need to go to the gym then (and the extra leverage arm can make is very easy).

[@stevemccauley5734]

This Old Tony you ain't. Decent video though. Nice project. I'll watch the rest to see if it becomes as useful as a Hossfeld bender.

[@bartharkemametalworks2299]

Haha no I don't clame to be. I can't time travel yet. This was a tribute for fun to TOT and AVE hand workers. If you watch the next parts you will see it can do a lot more then the Hossfeld bender.

[@LachlanMoss]

Sorry but the ultimate bending machine won't exist until the turn of the 31st century. Nice build though!

[@bartharkemametalworks2299]

Haha, yes your correct. Maybe the ultimate bending machine of the 21 century?

[@3goldfinger]

First, have all the tools needed to make it,

[@bartharkemametalworks2299]

Agree, this is years of collecting tools and machines. But I restore a lot of machines and make a lot of tools myself. Time is (still) on my side... And most are tools to make the tools to make the tools... ;-).