Hello Scott Wadsworth, This is a beautiful example of American Ingenuity and Craftsmanship captured in Cast Iron. I'm Paul Maselli and I am a master tool & Die Maker and an automation engineer. I'd like to offer a correction to your statement about the Acme Screw profile. The presence of the triple lead screw on your fly press is not to combat axial loading as you suggest. Multiple lead screws have been developed and used over the years with double triple and quad lead threads for a simple reason, they multiply the advance lead angle providing a very fast thread (rapid linear advancement) while providing sufficient contact surface area to distribute the load and force over the contact surfaces of the multiple threads. Axial load or misalignment are only compensated for or overcome by the length of the screw and lead nut design. Common rule of engineering would dictate that the contact area of the screw to lead nut is at least 3 times the diameter to provide sufficient surface area and contact to counteract friction and side loading. By nature of this machines design it should not experience side loading forces when being used properly. Thank You for Sharing.
Thank You, the point here is not about this being an American Invention, more on the beauty of cast iron tools lost to today's artisans. Plus my attentions here are to correct the statement that the multi lead screw was used to offset axial loading. But maybe that went over your head. Please re-read this comment.
"Common rule of engineering would dictate that the contact area of the screw to lead nut is at least 3 times the diameter to provide sufficient surface area and contact to counteract friction and side loading." When you say "...the contact area of the screw to lead nut is at least 3 times the diameter..."; do you mean the length of the nut or the actual spiral contact area of the threads?
What he actually said was that the multiple lead prevents the shaft from binding because the load is being applied from one side. This is incorrect as is your assumption that the screw prevents locking up or jamming. I assume you are referring to the "Sine" of the lead angle, not "Sin". Now lets break this down. As I stated the multiple lead screw is a fast action, with a steep angle and Sine value. This allows the ram to advance and retreat quickly for the action its performing. The amount of force applied is in direct relation to the length of the Fly Arm and the weight provides momentum. A single lead screw will not lock up or jam, just look at how you use a "C" clamp. The screw advances and will release easily without jamming. So the single lead screw with the lower lead angle and lesser Sine value will not jam as you suppose, it is not an effective design for the task of creating a ram that is easily advanced with the inertia of the weighted lever behind it. Thank You, Paul A Maselli, Sr Tool Maker, Mechanical & Automation Engineer, Boatwright.
My all time favourite tool … my boss has a large Norton 8 that has two removable balls allowing for repetitive light duty work. I spend a lot of time on this lovable tool Setting up four hours of fast production work … I never get bored of this elegant beast… Thanks for your nice vid … Nick
John Patrick it's not that expensive. you can buy and make a great anvil for about $250. go buy a striking anvil plate. don't worry about it not having a horn, that's what a bick tool in your hardy hole is for
I'd think all of the clanging and banging from hammering could "hammer" your ears quite handily, myself. This press is quiet, but that's not all there is to metalworking.
Takes me back to my schooldays in the '70s. I still have some of the things I made back then...sheet metal toolbox with handmade piano hinges, forged fireside shovel and poker, sine bar, toolmaker's vice, hand-planished brass cymbal! Good times in the shop!
Used to use one in England which was much bigger with a throat of something like 3 feet and the base was cast iron similar to a milling machine the throw was about twice as much.Loved that machine to death,it was so tactile, you knew where you were, so unlike a hydraulic press.Thanks for the memories, you've got a new subscriber.
I have seen a similar press used with coining dies. The operator had a long, leather strap looped on the near handle with which he increased the speed and consequently the momentum of the strike. I enjoy all of your videos. Thanks.
What a gorgeous tool! I managed to spot one that a friend of a friend was storing, but I didn't know that they're super handy for blacksmiths until very recently. I think it was a similar size, too, but now I desperately wish I'd spent more time eyeballing it.
Thanks, now I know what it's called! I've had one for at least 10 years, I bought it at a sale, but I never knew it had a special name. I've also only used it to straighten things etc. Now you've given me new ideas. Thanks again Tim.
the thread on this press is called a triple lead thread. It is designed to give 3x the movement but retain the strength of the same pitch thread per inch
Over here in England i work in a factory that has many fly presses this size. Ours all say "Denbeigh No 3 on the side. Ours have the addition of a lockable collar on the acme thread so an accurate depth of travel can be set. I think they were used for assembling shells during WW2
I been using one in the smithy for 20 years now , versatility is an understatement. The latest tooling is for skillets. I have also built all manner of punches and sheers. Just don’t get whacked in the head with the arms. You might want to consider another weight on the fly, to balance things out.
We had smaller ones in the workshop where I was doing my apprenticeship and we used them for anything from stamping the company logos onto metal parts to stamping various smaller parts for office machines and for riveting. The reason for the multi thread is for faster vertical travel... otherwise you would be spinning the handle all day getting nowhere.
Just found this video on 2-2-2020. Have worked in a couple of shops but never saw or heard of a fly press. Very interesting. Thanks for showing us. It looks very heavy, so I am surprised at chaining it down. Am looking forward to more about this piece of equipment.
I went to a technical school in the 1970's. There was no budget for this kind of equipment so the teachers got together and decided they could design and build one themselves. The sucker was 8 feet high and sometimes needed two men to operate. One to stand on a platform and yank the flywheel and another to feed in the material. We the pupils got involved by making dies to stamp out various sheet metal parts.
There's a steam railway down the road from me and I used their fly press to change the wishbones bushes in a car of mine. Not what it was designed for and a bit beneath it really but it did a great job.
This ild house has a verybspecial place in my family. Norm was our second favorite bearded carpenter. Scott would class up the joint nicely. They'd be lucky to have him.
Seeing as the toes on the legs have given out I would be quite concerned that the legs are not far off themselves. That could kill you if a leg gives out.
I had the same thought (among other commenters). Also, I'm a fan of your videos as well NIL... TH-cam feels strangely small sometimes. Next thing you know AvE will be reviewing EC's Burke bar.
I used Norton fly presses for almost 10 years in my metal working days. We used to punch, fold, pierce, notch and dimple on these. I was in charge of a group of lads operating 8 of these for different operations. Very very useful pieces of machinery with the right tooling
Yes I have seen lots of fly presses, in my early years as an apprentice in the northeast of England. They were old then in the sixties a very versatile piece of equipment.
The machine shop where I was employed for twenty years had a manual press similar to this one except heavier and designed to try out metal cutting dies. It had a heavy round upper wheel for momentum and large vertical square thread for impact force. This "try press" was rated at 30 tons. A die set with proper stop blocks was placed on the bolster and the heavy round wheel spun to produce maximum force.
Man it'd be so easy to move right in and make that shop a home I think if I ever got to tour it personally I'd have a hard time leaving I want to just live there and never leave what a playground what fun !!! Seems so cozy and very inviting to me and full history !!!
I'm not sure where this channel's creative vision and expertise begins or ends, but this channel represents the confluence of true craftsmanship and Godly character. No pun intended but here iron truly sharpens iron - Those in the faith know of that which I speak. May the Lord bless your endeavors and I also hope all are blessed by the messages that are taught in these moments caught on video.
I have a fly press at my home, albeit much smaller, but we call it a swatter and is not dependent on the fly flying into it. Everything you need, and nothing you don't need. ;)
That's probably the quietest blacksmithing process I've ever seen. Imagine how nice that would be to have a day of great forging that didn't involve your ears bleeding
The quality of the old machines is awesome - just about any machine made in the 1920’s and 1930’s were so well made that they are still in use today - remarkable ! 😃👍👏👏👏👏
In our workshop in college we had a much larger one mounted completely solid down one corner of the shop, ours was a monster and i wish we had done some blacksmithing when we were there to use it more!
Your videos are really brings some old memories... 👍👍👍 I used one that had full ring to hold it and we only used it to fold sheet metal... it was more for training ENG newbies back then. Thank you so much for making these videos they are awesome 🍺
Hey man, I`m Owner of a 10t Flypress since 2 days now to ;-) - It`s such an anazing tool! I started trying out making holes with hole-tool from a kitchen sink hole puncher ... Works quit good for the beginning cu Echo
In my mind, more threads on a shaft makes the pitch steeper... so the movement is faster. More axial movement with the same amount of rotation. Nice apparatus tho =)
He Ka you're totally correct. The screen he describes is called a triple lead screw. If it had two helixes it would be a double lead screw and so forth. The purpose of a multi-lead screw is to transfer motion quickly.
I was practicing on my lathe the other day and I made a double and quadruple start. Triple would be much harder since it's not even. You'll almost 100% of the time find multistart threads on juice bottles, milk jugs, etc.
I assume you did the multistarts on purpose ? xD .. But ye. they are used in all kinds of consumer products, like jars and bottles.. consumers wouldn't appreciate having to twist on a cap for a whole minute to get it open/closed =D
The Metal Butcher on a lath you just set your pitch 3 times what you want it to be, and adjust your cutting position with your compound rest. So for 10 tpi you set the lath to cut 30. Cut the first thread. Move the compound rest 0.100". Cut the second. Move again. Cut the third.
I have one in my shop ( mine is in the shape of a bell with a heavy "round" weight on top). Just used it today. People tried getting rid of it when we were downsizing. I wouldn't let them. Don't use it often but when you need it nothing else will do!
Amazing -- Thanks! I see these are SUPER RARE, at least in my part of the US (Southeast). In England and Australia they are everywhere. You are so lucky!
Nice press I would like to tell you that the three starts thread is just to increase the traverse of the head in order to have enough momentum therefore and pressure . Hello from Greece
Used one for about three months when I was a teenager, we had the pattern with an iron ball at each end of the top bar and a single long handle, we worked these by swinging the handle round hard and catching it on the recoil. It doesn't take long to learn not to get slammed in the head !! How old these machines were nobody knew, but the raised cast lettering was well worn !
I bought a new A.P.Lever 7N flypress from the factory circa 1973/74 in Mascot , Australia. It has a fine thread at the top of the screw to allow a big nut to act as a stop and the handle has a hexagonal hole in it that fits over a corresponding taper on the screw. This permits the handle to be lifted off and placed in a more convenient position.The only maintenance is a drop of oil every now and then on the dovetail slide and screw. I still have that press.
your clear and concise speaking is very confidence building. I have recently rescued pre-Peter Wright post vise with the brazed threads starting to work loose, how would you repair something like that?
very cool piece of historical equipment. that brought me to visualize how steel stencil and arbor presses machines evoluted from something like your amazing flying press machine. thanks for your demonstration
Hey-Eric here in Deadwood. My favorite attachments for my press are the butchering tool and my fullering tool.... Allows for exact tenons. nice crisp shoulders and clean fullers on BOTH sides of a piece... You still haven't come up to my shop?...
Actually, I have seen a fly press that had no individual weight hiked out like this one. Instead the thing looked like a steering wheel. The “wheel” was heavy but the spokes were not. It still needed a hand grip and if I remember right, the one I saw had two, still allowing the operator to bang their head.
You can put two ball weights on, i had one and one had a horrible noise it made, like it was going to jump off! It never did or would though thankfully
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Last time I saw one was in a shop and used in punching dies. Father's worplace. It had two weights and about the same size as that. I was about 5 or 6 then and that was about 30 years ago. Random video recommended by youtube to bring back some really old and forgotten moments.
Flywheels fascinate me, I wonder what your opinion will be in time about this tool saving hammer fatigue in the forging process. Thanks for sharing new and interesting subject matter again.
I've watched several of your videos and every time have been impressed by your voice. It just came to me that your speech modulation reminds me of rne late Jerry Falwell. To top that off a previous comment about your work mentioned Godly character.
0:24 that's what I said at my home shop until we got another press that is at least 20 feet tall. You should definitely check out Blacksmith's Depot. We have some pretty cool equipment that we use lol.
Excellent display of your press. I have a John Heine 7 ton press here in Australia. Rated 7 ton I guess if you can swing that hard. I use it a lot for Blacksmithing work. It is strong and robust and made from cast iron, which accepts hot steel sitting on it for a short time. Thanks to others for comments on the Acne screw thread. Good info.
Just for further info. My press only has one handle so you get the full 360 deg before it has a chance to hit you. Maybe your press would be safer and easier to use with one down handle removed. (the one opposite the ball end)
Your fly press has the elements and geometry of a bookbinder's standing press. One of these gets you 2-3 times the pressure of a typical hydraulic press for gluing a book into a hard cover (even when your "book" is the size of a newspaper!). The torquing weight was in a 20-inch wheel atop the helical drive shaft. An operator, especially a short one, would hop up on the workbench and spin it down until contact began -- then a half to one turn brings it home. Machines like these are sometimes felt to be "sweet" in a way no hydraulic device ever is . . .
My grandfather was a jeweler and had one of these out in his garage for stamping cufflink and various other blanks out of sheet silver and gold. It was quite a bit smaller than this though.
I think a cool idea for a tool to make for three fly press would be a fullering tool... you could be more precise with it versus by hand on your anvil. Keep up the great work!
Wow. It's been years since the last time I saw this kind of press. A friend of my father who, as my father, was a goldsmith had one of those. I remember how it could go through hot gold like a finger through wet tissue paper.
Like always great episode. Just one thing: Triple lines screw thread isn't for standing the abuse (only lenght of tapped slot matters) but to make stroke longer way by one rotation. For example 3/8 inch instead of 1/8, just by one full swing of flywheel. Otherwise operating would take too much hassle. Thanks
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Hello Scott Wadsworth, This is a beautiful example of American Ingenuity and Craftsmanship captured in Cast Iron. I'm Paul Maselli and I am a master tool & Die Maker and an automation engineer. I'd like to offer a correction to your statement about the Acme Screw profile. The presence of the triple lead screw on your fly press is not to combat axial loading as you suggest. Multiple lead screws have been developed and used over the years with double triple and quad lead threads for a simple reason, they multiply the advance lead angle providing a very fast thread (rapid linear advancement) while providing sufficient contact surface area to distribute the load and force over the contact surfaces of the multiple threads. Axial load or misalignment are only compensated for or overcome by the length of the screw and lead nut design. Common rule of engineering would dictate that the contact area of the screw to lead nut is at least 3 times the diameter to provide sufficient surface area and contact to counteract friction and side loading. By nature of this machines design it should not experience side loading forces when being used properly. Thank You for Sharing.
fly presses existed since the roman empire... so not american
Thank You, the point here is not about this being an American Invention, more on the beauty of cast iron tools lost to today's artisans. Plus my attentions here are to correct the statement that the multi lead screw was used to offset axial loading. But maybe that went over your head. Please re-read this comment.
"Common rule of engineering would dictate that the contact area of the
screw to lead nut is at least 3 times the diameter to provide sufficient
surface area and contact to counteract friction and side loading."
When you say "...the contact area of the screw to lead nut is at least 3 times the diameter..."; do you mean the length of the nut or the actual spiral contact area of the threads?
Length to diameter ratio, a 2" diameter screw, you would be safe to have a 6" long lead nut. Thanks for asking.
What he actually said was that the multiple lead prevents the shaft from binding because the load is being applied from one side.
This is incorrect as is your assumption that the screw prevents locking up or jamming. I assume you are referring to the "Sine" of the lead angle, not "Sin".
Now lets break this down. As I stated the multiple lead screw is a fast action, with a steep angle and Sine value. This allows the ram to advance and retreat quickly for the action its performing. The amount of force applied is in direct relation to the length of the Fly Arm and the weight provides momentum.
A single lead screw will not lock up or jam, just look at how you use a "C" clamp. The screw advances and will release easily without jamming. So the single lead screw with the lower lead angle and lesser Sine value will not jam as you suppose, it is not an effective design for the task of creating a ram that is easily advanced with the inertia of the weighted lever behind it.
Thank You,
Paul A Maselli, Sr Tool Maker, Mechanical & Automation Engineer, Boatwright.
My all time favourite tool … my boss has a large Norton 8 that has two removable balls allowing for repetitive light duty work. I spend a lot of time on this lovable tool Setting up four hours of fast production work … I never get bored of this elegant beast… Thanks for your nice vid … Nick
"Press on,Brother." Everything you bring to this channel is fascinating.Looking forward to your discoveries.Thank you.
As i get older i appreciate the craftsmanship and talent needed to use these tools. Thx for sharing!
Metal working blows my mind. I can barely afford to woodwork, getting metalworking tools looks intimidating! Very cool!
John Patrick it's not that expensive. you can buy and make a great anvil for about $250. go buy a striking anvil plate. don't worry about it not having a horn, that's what a bick tool in your hardy hole is for
Levi Blackwood Gonna take me a while to decipher this response!
buy a flat peice of steel with a hole in it for the tools that go in the hole and ur fine
Metalworking>woodworking I do not like working with dead tree carcass
Lmfao
And you don't need ear protection!
I'd think all of the clanging and banging from hammering could "hammer" your ears quite handily, myself. This press is quiet, but that's not all there is to metalworking.
You do if it is punching holes in steel
I'd opt for a helmet, or at least a hardhat.
Could you repeat that?
Glad to see old tools like this still getting used.
Takes me back to my schooldays in the '70s. I still have some of the things I made back then...sheet metal toolbox with handmade piano hinges, forged fireside shovel and poker, sine bar, toolmaker's vice, hand-planished brass cymbal! Good times in the shop!
Used to use one in England which was much bigger with a throat of something like 3 feet and the base was cast iron similar to a milling machine the throw was about twice as much.Loved that machine to death,it was so tactile, you knew where you were, so unlike a hydraulic press.Thanks for the memories, you've got a new subscriber.
I have seen a similar press used with coining dies. The operator had a long, leather strap looped on the near handle with which he increased the speed and consequently the momentum of the strike. I enjoy all of your videos. Thanks.
What a beautiful piece of old machinery.
I want to say as a electrician, I love watching videos just like yours and learning new things. I really appreciate your your videos and time.
What a gorgeous tool! I managed to spot one that a friend of a friend was storing, but I didn't know that they're super handy for blacksmiths until very recently. I think it was a similar size, too, but now I desperately wish I'd spent more time eyeballing it.
Everything you need and nothing you don't need. Love this.
Thanks, now I know what it's called!
I've had one for at least 10 years, I bought it at a sale, but I never knew it had a special name. I've also only used it to straighten things etc. Now you've given me new ideas.
Thanks again
Tim.
Your channel is as good as "this old house" or any show out there for that matter.You are a natural my friend.
Hi, I am from England and I love your videos. Tells the story of good old craftsmanship and the wonderful tools they used.
Sure have now! Thanks for introducing me/us to this precious gem!
the thread on this press is called a triple lead thread. It is designed to give 3x the movement but retain the strength of the same pitch thread per inch
You are correct. The reason for multiple start threads is high axial movement.
Nice to see those old tools still in service👍
That machine is a thing of beauty.
Love seeing old school machines like this that I used when I did my apprenticeship, great to see them still being used.
Over here in England i work in a factory that has many fly presses this size. Ours all say "Denbeigh No 3 on the side. Ours have the addition of a lockable collar on the acme thread so an accurate depth of travel can be set. I think they were used for assembling shells during WW2
yes it's good when you have a stop on them, especially when loaded with dies and punches or bending brakes..
I been using one in the smithy for 20 years now , versatility is an understatement. The latest tooling is for skillets. I have also built all manner of punches and sheers. Just don’t get whacked in the head with the arms. You might want to consider another weight on the fly, to balance things out.
Your videos are turning me into the son my father always wanted.
We had smaller ones in the workshop where I was doing my apprenticeship and we used them for anything from stamping the company logos onto metal parts to stamping various smaller parts for office machines and for riveting. The reason for the multi thread is for faster vertical travel... otherwise you would be spinning the handle all day getting nowhere.
It always amazes me how stuff this old still works, it looks really well maintained!
Just found this video on 2-2-2020. Have worked in a couple of shops but never saw or heard of a fly press. Very interesting. Thanks for showing us. It looks very heavy, so I am surprised at chaining it down.
Am looking forward to more about this piece of equipment.
What a head buster. Imagine that press has enjoyed the choicest invectives ever said.
I went to a technical school in the 1970's. There was no budget for this kind of equipment so the teachers got together and decided they could design and build one themselves.
The sucker was 8 feet high and sometimes needed two men to operate.
One to stand on a platform and yank the flywheel and another to feed in the material.
We the pupils got involved by making dies to stamp out various sheet metal parts.
There's a steam railway down the road from me and I used their fly press to change the wishbones bushes in a car of mine. Not what it was designed for and a bit beneath it really but it did a great job.
I'm just astounded.
Thanks for sharing. The best thing about this for me is it's something that my dad and I can find some common ground on.
Just awesome- the human mind is an engineering machine. We get it from a generous and kind Creator. Thanks for sharing
Anyone else think this guy would fit right in with the guys from "This old house"?
Great videos with great content!!
This ild house has a verybspecial place in my family. Norm was our second favorite bearded carpenter. Scott would class up the joint nicely. They'd be lucky to have him.
Cool old tool. Thanks for sharing.
You do have an appreciation for useful tools. That's what makes your videos so enjoyable. Thanks for a great video.
Soopa Doopa, and no noise! Sooooo dig you videos!!!!
Seeing as the toes on the legs have given out I would be quite concerned that the legs are not far off themselves. That could kill you if a leg gives out.
I had the same thought (among other commenters). Also, I'm a fan of your videos as well NIL... TH-cam feels strangely small sometimes. Next thing you know AvE will be reviewing EC's Burke bar.
Definitely worth getting some dye penetrant and checking the legs for cracks.
aimlessweasel I cannot effing wait for that moment. I hope they get together with chrisfix and use the Burke to wreck a car or something, lol
Weld up a frame that fits under it tight.
Used one in college for sheet metal work. I love these tools but that one is a beast. So versatile
Great for pressing bearings etc. together and inevitably knocking them out again!
I used Norton fly presses for almost 10 years in my metal working days. We used to punch, fold, pierce, notch and dimple on these. I was in charge of a group of lads operating 8 of these for different operations. Very very useful pieces of machinery with the right tooling
i have the same passion in old tools and machinery as you and i hope i can build a collecting as awesome as yours
Wow that is one very interesting and awesome piece of vintage equipment!🤔 Thanks for the great video👍😉🇨🇦
Yes I have seen lots of fly presses, in my early years as an apprentice in the northeast of England. They were old then in the sixties a very versatile piece of equipment.
That's a cool machine. It looks to be a time saver. Nice!
The machine shop where I was employed for twenty years had a manual press similar to this one except heavier and designed to try out metal cutting dies. It had a heavy round upper wheel for momentum and large vertical square thread for impact force. This "try press" was rated at 30 tons. A die set with proper stop blocks was placed on the bolster and the heavy round wheel spun to produce maximum force.
Man it'd be so easy to move right in and make that shop a home I think if I ever got to tour it personally I'd have a hard time leaving I want to just live there and never leave what a playground what fun !!! Seems so cozy and very inviting to me and full history !!!
I've never seen a fly press, but I have seen an ant running on a treadmill.
Element of Kindness, I was hoping someone would run with this title that direction.
Bravo.
I was hoping for a good recipe for bug juice.
I saw one doing a backstroke in my soup once.
I have also but, then my magnifying glass caught my treadmill belt on fire.
that took me a second to get lol
I'm not sure where this channel's creative vision and expertise begins or ends, but this channel represents the confluence of true craftsmanship and Godly character. No pun intended but here iron truly sharpens iron - Those in the faith know of that which I speak. May the Lord bless your endeavors and I also hope all are blessed by the messages that are taught in these moments caught on video.
I have a fly press at my home, albeit much smaller, but we call it a swatter and is not dependent on the fly flying into it. Everything you need, and nothing you don't need. ;)
That's probably the quietest blacksmithing process I've ever seen. Imagine how nice that would be to have a day of great forging that didn't involve your ears bleeding
That bend jig is fantastic! So simple! Think I'm gonna make one soon. Love the channel!
A wonderful tool, looks kinda fun for a little while. Thanks for sharing.
Backhoe
The quality of the old machines is awesome - just about any machine made in the 1920’s and 1930’s were so well made that they are still in use today - remarkable ! 😃👍👏👏👏👏
Another excellent video! Will post it on our Facebook
In our workshop in college we had a much larger one mounted completely solid down one corner of the shop, ours was a monster and i wish we had done some blacksmithing when we were there to use it more!
Beautiful old piece of iron.Thanks for sharing.
The bending jig at about 4:09 is absolutely amazing... What genius.
Dang man, you are having just too much fun ! Good on you !
Thanks for sharing and take care.
No I have not ever seen a Fly press. That seems like a very interesting machine. Thank you for another great video.
love these old fly presses, used to use one often for bending and punching, very versatile indeed...
Your videos are really brings some old memories... 👍👍👍
I used one that had full ring to hold it and we only used it to fold sheet metal... it was more for training ENG newbies back then. Thank you so much for making these videos they are awesome 🍺
Hey man,
I`m Owner of a 10t Flypress since 2 days now to ;-) - It`s such an anazing tool! I started trying out making holes with hole-tool from a kitchen sink hole puncher ...
Works quit good for the beginning
cu
Echo
In my mind, more threads on a shaft makes the pitch steeper... so the movement is faster. More axial movement with the same amount of rotation. Nice apparatus tho =)
He Ka you're totally correct. The screen he describes is called a triple lead screw. If it had two helixes it would be a double lead screw and so forth. The purpose of a multi-lead screw is to transfer motion quickly.
Yep... seen it before in gate valves. Maybe somewhere else too...
I was practicing on my lathe the other day and I made a double and quadruple start. Triple would be much harder since it's not even.
You'll almost 100% of the time find multistart threads on juice bottles, milk jugs, etc.
I assume you did the multistarts on purpose ? xD .. But ye. they are used in all kinds of consumer products, like jars and bottles.. consumers wouldn't appreciate having to twist on a cap for a whole minute to get it open/closed =D
The Metal Butcher on a lath you just set your pitch 3 times what you want it to be, and adjust your cutting position with your compound rest. So for 10 tpi you set the lath to cut 30. Cut the first thread. Move the compound rest 0.100". Cut the second. Move again. Cut the third.
I have one in my shop ( mine is in the shape of a bell with a heavy "round" weight on top). Just used it today. People tried getting rid of it when we were downsizing. I wouldn't let them. Don't use it often but when you need it nothing else will do!
The helical threads also make for a quicker up and down. Wonderful video, thanks!
Amazing -- Thanks!
I see these are SUPER RARE, at least in my part of the US (Southeast). In England and Australia they are everywhere. You are so lucky!
The more I watch this channel, the more I realize, I f'ing love tools.
Garage extra space
Is like saying extra money
Happy tinkering boys
Interesting. The company I work for has a few big presses that came from Ford's Model T production lines. Enjoy seeing the old stuff.
Nice press I would like to tell you that the three starts thread is just to increase the traverse of the head in order to have enough momentum therefore and pressure . Hello from Greece
Used one for about three months when I was a teenager, we had the pattern with an iron ball at each end of the top bar and a single long handle, we worked these by swinging the handle round hard and catching it on the recoil. It doesn't take long to learn not to get slammed in the head !! How old these machines were nobody knew, but the raised cast lettering was well worn !
I bought a new A.P.Lever 7N flypress from the factory circa 1973/74 in Mascot , Australia. It has a fine thread at the top of the screw to allow a big nut to act as a stop and the handle has a hexagonal hole in it that fits over a corresponding taper on the screw. This permits the handle to be lifted off and placed in a more convenient position.The only maintenance is a drop of oil every now and then on the dovetail slide and screw.
I still have that press.
your clear and concise speaking is very confidence building. I have recently rescued pre-Peter Wright post vise with the brazed threads starting to work loose, how would you repair something like that?
That is a beautiful tool!! Thanks for sharing
very cool piece of historical equipment. that brought me to visualize how steel stencil and arbor presses machines evoluted from something like your amazing flying press machine. thanks for your demonstration
We used to flare pipework out on bike exhausts, press fit parts fold sheet, punch out bearing's. It's one tool I miss in my current employment.
hi scott.....most interesting videos on you tube. hands down ! you have, and do the coolest of the cool. so glad i found ec .
Hey-Eric here in Deadwood. My favorite attachments for my press are the butchering tool and my fullering tool.... Allows for exact tenons. nice crisp shoulders and clean fullers on BOTH sides of a piece... You still haven't come up to my shop?...
Is there any benefit to having the load only located on one side? In my head it would be a better design with two smaller weights, one at each end.
Actually, I have seen a fly press that had no individual weight hiked out like this one. Instead the thing looked like a steering wheel. The “wheel” was heavy but the spokes were not. It still needed a hand grip and if I remember right, the one I saw had two, still allowing the operator to bang their head.
You can put two ball weights on, i had one and one had a horrible noise it made, like it was going to jump off! It never did or would though thankfully
Last time I saw one was in a shop and used in punching dies. Father's worplace.
It had two weights and about the same size as that.
I was about 5 or 6 then and that was about 30 years ago.
Random video recommended by youtube to bring back some really old and forgotten moments.
That might be my favorite piece of equipment that you've shown on your channel. Awesome video!
Very entertaining and interesting! Thanks for sharing.
Flywheels fascinate me, I wonder what your opinion will be in time about this tool saving hammer fatigue in the forging process. Thanks for sharing new and interesting subject matter again.
This guy needs his own show
I worked in a shop that had a fly press that size. Everyone loved it and preferred using it rather than the hydraulic press.
Its an adorable little screw jack!
Why is it that after every video I end up searching for a new machine!! Love your work, let's put the flypress on a t-shirt
congrats on PM sharing your video! thats bad ass!
Amazing piece of equipment!
I've watched several of your videos and every time have been impressed by your voice. It just came to me that your speech modulation reminds me of rne late Jerry Falwell. To top that off a previous comment about your work mentioned Godly character.
Pretty cool. I have a huge arbor press simular design. About 4 times that size. Just a collector's item.
0:24 that's what I said at my home shop until we got another press that is at least 20 feet tall. You should definitely check out Blacksmith's Depot. We have some pretty cool equipment that we use lol.
Excellent display of your press. I have a John Heine 7 ton press here in Australia. Rated 7 ton I guess if you can swing that hard. I use it a lot for Blacksmithing work. It is strong and robust and made from cast iron, which accepts hot steel sitting on it for a short time. Thanks to others for comments on the Acne screw thread. Good info.
Just for further info. My press only has one handle so you get the full 360 deg before it has a chance to hit you. Maybe your press would be safer and easier to use with one down handle removed. (the one opposite the ball end)
Your videos are simply fascinating.
Your fly press has the elements and geometry of a bookbinder's standing press. One of these gets you 2-3 times the pressure of a typical hydraulic press for gluing a book into a hard cover (even when your "book" is the size of a newspaper!).
The torquing weight was in a 20-inch wheel atop the helical drive shaft. An operator, especially a short one, would hop up on the workbench and spin it down until contact began -- then a half to one turn brings it home.
Machines like these are sometimes felt to be "sweet" in a way no hydraulic device ever is . . .
My grandfather was a jeweler and had one of these out in his garage for stamping cufflink and various other blanks out of sheet silver and gold. It was quite a bit smaller than this though.
I think a cool idea for a tool to make for three fly press would be a fullering tool... you could be more precise with it versus by hand on your anvil. Keep up the great work!
Wow. It's been years since the last time I saw this kind of press. A friend of my father who, as my father, was a goldsmith had one of those. I remember how it could go through hot gold like a finger through wet tissue paper.
Like always great episode. Just one thing: Triple lines screw thread isn't for standing the abuse (only lenght of tapped slot matters) but to make stroke longer way by one rotation. For example 3/8 inch instead of 1/8, just by one full swing of flywheel. Otherwise operating would take too much hassle. Thanks
Another corking video. Well done; joy to watch.
That thing is a beauty.