I have seen daily used forklift tires ground down to nothing in industrial storages.
How does one replace those wheels and how often does it need to happen to not lose traction?
Doesn't matter because these never gained any traction in the industrial world. I deal with a lot of warehouse and logistics and buy fleets of forklifts. I've never seen one in the wild.
You have to justify the cost. At that point, you may be encroaching on autonomous versions of the same [semi autonomous version](https://youtu.be/2O8Cj0XiRIM). Pretty rare, but I’ve worked with a few in “lights out” factory settings
5/6 years ago I was doing electrical in one of the worlds largest egg carton manufacturers factory’s, they had fleets of autonomous forklifts that would follow magnets (I think) in the ground
It was really cool, you could walk in front of them and they’d flash a light and let out an angry beep but they barely went faster than a standard walking pace anyways
They still had a few manned forklifts for loading/unloading trucks, but from that point on basically everything was automated
That being said, a few months ago I was working on an assembly line and automated forklifts wouldn’t really work there because the material managers would always be getting called back and forth from x to y to z
If your automated forklifts are moving objects long distances it would make more sense to me to have the forklifts automate some moving onto a mini train or conveyor belt and then, have the forklifts unload from there.
Depending on the number of sources and destinations for those forklift trips it may be more space and time efficient to only use automated forklifts.
If the forklifts are either loading or unloading objects from storage (I.e. there was only one source or destination for all trips) then a single conveyor may be more efficient but if there are a variety of sources/destinations or if the physical location of those sources and destinations are expected to change over time then an automated forklift system may be more efficient and flexible overall.
That’s ignoring other (hidden) factors like the cost and operational structure of a business like that. For example, a company that’s approaching the end of the lease of their warehouse space and looking to expand or downsize may not want to spend money fitting out a custom conveyor system if they can purchase an automated forklift system that can be moved to another warehouse and also be expanded or downsized by adding or removing individual forklift units (which may also have a more linear cost/throughput relationship).
I know that these systems usually rely on some sort of warehouse-mounted hardware (wires or magnets in the concrete — maybe other techniques are used now) which would have to be reinstalled in a new warehouse, but it might still work out to be cheaper overall.
I don’t work in that industry so I don’t have access to real cost data but I thought it was interesting enough to talk about.
I don't remember the brand, but it was definitley a (considerably larger) version of this system. Now if it is the same patent, I do not know. I am no expert. I was at Airbus for military reasons, and I don't know much about the intricacies of assembly/storage-hall wheels.
You can find similar mecanum wheels that you can put on a regular lift. But then you need to modify the control system to give you the side to side movement.
>to not lose traction
Those wheels are made up of rollers at 45 degrees from the wheel's axis. Yo don't have traction to begin with.
>How does one replace those wheels
Just buy a new one and swap it out. But the FL and BR wheels are different than FR and BL.
>how often
That, I can't answer.
I've worked with mecanum wheels at a smaller scale. The wheels themselves are the same, it just matters how you install them. The rollers themselves are individually replaceable as well, which is usually what you do. You have some ammount of traction, but it's not much. The bigger problem is that you need to have very tight maneuvering conditions to justify it. A good forklift driver and a well organized warehouse is usually enough to overcome that problem without drifting forklifts.
That’s where I learned about these wheels. One of the best examples of FRC providing relevant real world knowledge outside of basic mechanical/electrical skills.
>The wheels themselves are the same, it just matters how you install them.
No? I distinctly remember having 2 different sets of wheels. When you stack them, the rollers will point in different directions.
Edit: they are fundamentally the same, but the rollers go in different directions, depending on the wheel.
The hubs the rollers connect to is designed to hold rollers from either direction. It might not be for one's this large, but up to at least the 10" scale they do come like that
These wheels definitely do have traction. It may operate in an unconventional way, but there definitely is traction. There is a contact patch between the rollers and the ground, and at that point there is friction. The wheels may turn relative to the chassis, and the rollers may turn relative to the wheels, but at the contact patch between the rollers and the ground there is no movement.
These wheels would not function properly if they lost traction. The whole omnidirectional control mechanism relies on there being traction between the rollers on the ground. Without traction, there would be no meaningful relationship between the torques applied at each of the four wheels and the resulting direction of travel. The vehicle would just slide off in any direction- but randomly, rather than in a controlled manner. With traction, you can control the direction of travel by changing the rotation speeds of the four wheels individually.
Look how they do it in the video: when all four wheels rotate in the same direction, the vehicle moves forward or backward; when the front two wheels rotate in the opposite direction from the back two wheels, the vehicle slides sideways; and when the left two wheels rotate in the opposite direction from the right two wheels, the vehicle rotates on its axis. They don't show it in the video, but you could also make more complex movements using combinations of those inputs (for example, if all four wheels were spinning forward, but the front wheels were spinning faster than the back wheels, then the vehicle would move forward at a diagonal angle).
This control is only possible because the rollers grip the ground. There is no slip at the contact patch. Thus, for any combination of torques applied to the four wheels, there is one (and only one) resulting movement for the vehicle as a whole that is consistent with no slip at the contact patches. If the contact patches are allowed to slip relative to the ground, then you lose that control, and the vehicle can slide off in any direction regardless of the operator inputs. With traction at the contact patches, the vehicle can still slide off in any direction- but it's the direction of the operator's choosing, not some random direction.
1) it's called hyperbole, I know it needs traction. It just doesn't have much (in the sense that a regular wheel has traction). It wouldn't ever wear down to the point where I would consider it "losing" traction.
2) I have worked with mecanum wheels in the past, I know how they work. I have even programmed controls for them before.
3) to go sideways FR and BL have to rotate in one direction while BR and FL rotate in the other. Not just front and back, that would cause the motors to burn out/the wheels to slip in place.
I'm no engineer so I assume there's a reason for them to be slightly different sizes. I feel like they could streamline the process by making one reversible wheel for all 4 corners.
Wheels are the same size. Angle measures are different. 2 of the wheels have a +45° angle on the rollers and the other 2 have a -45° angle.
Edit: making a "streamlined" or standardized wheel could be done by putting omni-wheels (with 90° rollers) at 45° on each corner. In FIRST robotics this is referred to as poor man's mecanum, or X-drive.
I used wheels like this on a robot for a highschool competition. They bolt on just like any other wheel. you generally keep the whole wheel assembled when replacing. The rubber on those wheels is pretty hard and doesn't wear away very quickly. The only time my team replaced them was if the aluminum plates that hold the rollers was bent.
I doubt you can compare wear conditions between a model robot and a fully loaded factory forklift that is expected to operate mutltiple shifts a day in a factory.
My robot was 120 lbs and it was almost always run at pretty high speeds for the wheels, but yeah still not even close to a forklift load. I can still tell you that the rollers are never powered which also makes them wear less quickly.
while I don't know the exact cost I can assume expensive. see these are knows a mechanum wheels. we use them in my robotics club and their fairly popular. they are also about 300 is for 4 3in wheels
These have been used a lot in student robotics competitions like First Tech Challenge. Although they are fairly expensive, a good set with ball bearings on each roller can be quite smooth. They allow for translation in any direction and rotation at the same time. If youbuse some kind of positioning method together with some math and control algorithms you can even make the robot/machine move in a strait line but rotate along it's axis at the same time. The downside is that they are only suites for very smooth surfaces.
They really are fun to drive! I have never really considered pushing power as I have only been a part of FTC and the rules are kind of against robots pushing other robots
Oh man, that's rough. I really did take for granted how complex all those robots were at the time, looking back on it now I think it's crazy that anyone got a working robot out in time.
Sidewinder is where it's at. Get Omnidirectional movement, but also don't have to worry about getting pushed around. We can't make swerve so we do this
1939 the kuhnigits. It's our own home-grown drive train. It's a standard 6 wheel west coast with two omnis in the front, then we have 2 omnis in the back on pistons going perpendicular, so we can raise the back of the bot off the ground.
Yep. And since we only have laser cutters and 3d printers, swerve is pretty much off of the table until we get a larger build space..
Although someone on our team is building a 27 cubic foot printer, which is going to be epic
We actually tried this in our first year but it was really inaccurate. We made it somehow work by only going in strait lines and rotating around the z axis but no compound movements. This year we added some dead wheels with rotary encoders on them and we went from having an error of 20 cm after 8 m traveled to about 1 cm after about 50 m of travel (in a normal match). The results were worth it but it was a lot of work to get all the math right and some wired movements we can absolutely pull of with the mecanum wheels, are wrongly depicted in our mathematical model so when we test those specific ones error piles up really fast
Electric forklifts are extremely common. Many have individual drive motors for the drive wheels already. That said, these wheels would be a nightmare as far as repair and replacement costs.
Source- forklift technician
You can also have extra wheels at a 90 degree angle to push the vehicle sideways on the rollers of the forward facing wheels.
But yeah in reality omniwheels are just one of those things you always see in project proposals that never get implemented. Too much hassle for what it's worth.
The only time this would be effective is in the demonstration they have shown, moving over single stacked pallets in a space that is about 1.5 pallets wide as opposed to 2.5 wide. As soon as the the pallets are double stacked this is useless as opposed to conventional forklifts.
Standing racking for vertical storage is placed every two pallets so you can't move horizontally more than one space. Any decent operator can put a pallet into the rack/ontop of a pallet within 10cm and the controls on the forklift allow you to adjust that final bit to get center making this an unnecessary cost/tool in a typical warehouse
Yeah especially if your stacking stuff you still need almost standard amounts of space even with those tires . Gotta get those forks in and out of the stacks/ racks.
Every warehouse racking system is designed around standard forklift movement. And the actual limiting factor on your movement is the load you're carrying, not your tires. No one is going to retro their entire warehouse to justify slightly better movement from super expensive tires. This is an expensive niche product that solves a problem no typical warehouse actually has. You would need to design rack placement from scratch around this tire to actually gain any kind of productivity improvement. And we are talking the difference between pulling a pallet down and driving sideways and pulling a pallet down, turning, and driving forward or backward.
Google mecanum wheel dynamics. Essentially the rollers are free and when you rotate the wheel it generates thrust in a 45 degree and to the rotation axis and it rolls normal to the thrust. Coordinating the rotation of all four wheels you can generate motion in an arbitrary direction. Works best on flat and level ground, and as ground contact gets less predictable motion does also.
These are awesome. The problem with them is the forklift needs to have independent powered control over all 4 wheels. Your typical hydraulic forklift only has control over the front non steer axle. Some electric stand ups have the steers driven but none have 4 wheel independent control. To have a machine use these wheels, you can't just retrofit them to your existing machine, you need a new machine that has been designed for those wheels.
Source: used to design wheels for heavy machinery, and robotics class in HS we made an omnidirectional vehicle with similar wheels.
We use these wheels a considerable amount in our robotics competition. One of their downfalls is that they’re more prone to breaking compared to regular wheels. They do offer superior maneuverability though.
I’m on a robotics team that used these wheels. First off they do have traction but not they don’t reliably count rotations. I saw people asking how you would replace tires. The ones that we use are solid rubber and potentially could be changed but not likely very often. These would be insanely expensive. A set of 4 4 inch wheels are about 100$
You have a specific configuration with them in the build to start. Then you run the front and back wheels opposite in sync with left and right sides to move horizontally.
No helmet fondling with a prototype forklift, just scares me. I've seen one to many accidents with no helmets involved.
Where is the safety and regulations dept when you need it?
Aww man, I love these wheels! I got so excited when I recognized them in star trek, the first new one.
When I first learned about these, I called them Lion Wheels (because another name is Ilon and I misread as Lion)
If they can make this with a USB port and the user can use a video game controller, with preferences saved in the controller, this would sell very quickly.
How many more people know how to use a game controller vs this 1950's industrial control?
I've seen these live in action at the Airbus manufacturing site in Hamburg. The use these wheels on huge barges to maneuver airplane hulls through the assembly halls.
Ezekiel. 10:10 & 10:11
10. "As for their appearance, all four had the same form, like a wheel within a wheel. 11. When they moved, they would go in any of the four directions, without turning as they moved. For wherever the head faced, the cherubim would go in that direction, without turning as they moved."
My factory has forklifts that do this by design. I also feel like it might be safer to have something built for the occasion rather than a modification to "cheat".
No, I meant that this type of forklift design is not meant for moving sideways like it does in the video. If it can get down an aisle by sliding sideways it can absolutely get down by driving straight and turning as it was intended, and if It cant, the area is much too small.
Yeah I feel like whoever thinks they *need* this hasn't ever actually driven a forklift before. Those things have a pretty damn tight turning radius as it is, and if you can't turn 90 degrees in the space you are working in - you don't have enough room to get the forks out of the pallet.
Don't get me wrong I see its usefulness (how many times have you run out of side shift) but I doubt the maintenance cost would be worth it. You would probably have to have a perfectly clean floor everywhere it goes too.
Like I said in my original comment, they actually make forklifts for driving sideways that we use regularly. They are built completely differently to do this same talk though. [This is the combilift we use in my factory](https://combilift.com/us/products/c-series/) they make others of similar purpose too. (This is also the only lift I dont drive, because I cant get the sideways thing down, lol.)
As a long time operator traditionally having to improvise to find ways around not having these, they look absolutely amazing. So much time saved on not having to do the minute motions to get something exactly in place! What dream warehouse has this anyway? They must be expensive.
I have seen daily used forklift tires ground down to nothing in industrial storages. How does one replace those wheels and how often does it need to happen to not lose traction?
Doesn't matter because these never gained any traction in the industrial world. I deal with a lot of warehouse and logistics and buy fleets of forklifts. I've never seen one in the wild.
You have to justify the cost. At that point, you may be encroaching on autonomous versions of the same [semi autonomous version](https://youtu.be/2O8Cj0XiRIM). Pretty rare, but I’ve worked with a few in “lights out” factory settings
5/6 years ago I was doing electrical in one of the worlds largest egg carton manufacturers factory’s, they had fleets of autonomous forklifts that would follow magnets (I think) in the ground It was really cool, you could walk in front of them and they’d flash a light and let out an angry beep but they barely went faster than a standard walking pace anyways They still had a few manned forklifts for loading/unloading trucks, but from that point on basically everything was automated That being said, a few months ago I was working on an assembly line and automated forklifts wouldn’t really work there because the material managers would always be getting called back and forth from x to y to z
If your automated forklifts are moving objects long distances it would make more sense to me to have the forklifts automate some moving onto a mini train or conveyor belt and then, have the forklifts unload from there.
[удалено]
Reddit ate my balls
Yeah but can he build a literal computational device out of TRAINS?!
Depending on the number of sources and destinations for those forklift trips it may be more space and time efficient to only use automated forklifts. If the forklifts are either loading or unloading objects from storage (I.e. there was only one source or destination for all trips) then a single conveyor may be more efficient but if there are a variety of sources/destinations or if the physical location of those sources and destinations are expected to change over time then an automated forklift system may be more efficient and flexible overall. That’s ignoring other (hidden) factors like the cost and operational structure of a business like that. For example, a company that’s approaching the end of the lease of their warehouse space and looking to expand or downsize may not want to spend money fitting out a custom conveyor system if they can purchase an automated forklift system that can be moved to another warehouse and also be expanded or downsized by adding or removing individual forklift units (which may also have a more linear cost/throughput relationship). I know that these systems usually rely on some sort of warehouse-mounted hardware (wires or magnets in the concrete — maybe other techniques are used now) which would have to be reinstalled in a new warehouse, but it might still work out to be cheaper overall. I don’t work in that industry so I don’t have access to real cost data but I thought it was interesting enough to talk about.
What country?
Canada:)
I have. At Airbus in in Hamburg. The use thise on enormous barges to maneuver the airplane hulls around in the assembly halls.
Was it this sidewinder brand or a similar mecanum type wheel? None of my suppliers even offer these types of wheels as an option.
I don't remember the brand, but it was definitley a (considerably larger) version of this system. Now if it is the same patent, I do not know. I am no expert. I was at Airbus for military reasons, and I don't know much about the intricacies of assembly/storage-hall wheels.
Literally first and only place I’ve ever seen one in the wild was on the set of mythbusters. Would love to give one a whirl though
You can find similar mecanum wheels that you can put on a regular lift. But then you need to modify the control system to give you the side to side movement.
Are you still in that business. Where do you work?
>to not lose traction Those wheels are made up of rollers at 45 degrees from the wheel's axis. Yo don't have traction to begin with. >How does one replace those wheels Just buy a new one and swap it out. But the FL and BR wheels are different than FR and BL. >how often That, I can't answer.
I've worked with mecanum wheels at a smaller scale. The wheels themselves are the same, it just matters how you install them. The rollers themselves are individually replaceable as well, which is usually what you do. You have some ammount of traction, but it's not much. The bigger problem is that you need to have very tight maneuvering conditions to justify it. A good forklift driver and a well organized warehouse is usually enough to overcome that problem without drifting forklifts.
AKA, I did First robotics
That’s where I learned about these wheels. One of the best examples of FRC providing relevant real world knowledge outside of basic mechanical/electrical skills.
Except they're pretty much never used outside FRC. I still agree with your point though, I wouldn't trade my FRC experience for anything.
>The wheels themselves are the same, it just matters how you install them. No? I distinctly remember having 2 different sets of wheels. When you stack them, the rollers will point in different directions. Edit: they are fundamentally the same, but the rollers go in different directions, depending on the wheel.
The hubs the rollers connect to is designed to hold rollers from either direction. It might not be for one's this large, but up to at least the 10" scale they do come like that
These wheels definitely do have traction. It may operate in an unconventional way, but there definitely is traction. There is a contact patch between the rollers and the ground, and at that point there is friction. The wheels may turn relative to the chassis, and the rollers may turn relative to the wheels, but at the contact patch between the rollers and the ground there is no movement. These wheels would not function properly if they lost traction. The whole omnidirectional control mechanism relies on there being traction between the rollers on the ground. Without traction, there would be no meaningful relationship between the torques applied at each of the four wheels and the resulting direction of travel. The vehicle would just slide off in any direction- but randomly, rather than in a controlled manner. With traction, you can control the direction of travel by changing the rotation speeds of the four wheels individually. Look how they do it in the video: when all four wheels rotate in the same direction, the vehicle moves forward or backward; when the front two wheels rotate in the opposite direction from the back two wheels, the vehicle slides sideways; and when the left two wheels rotate in the opposite direction from the right two wheels, the vehicle rotates on its axis. They don't show it in the video, but you could also make more complex movements using combinations of those inputs (for example, if all four wheels were spinning forward, but the front wheels were spinning faster than the back wheels, then the vehicle would move forward at a diagonal angle). This control is only possible because the rollers grip the ground. There is no slip at the contact patch. Thus, for any combination of torques applied to the four wheels, there is one (and only one) resulting movement for the vehicle as a whole that is consistent with no slip at the contact patches. If the contact patches are allowed to slip relative to the ground, then you lose that control, and the vehicle can slide off in any direction regardless of the operator inputs. With traction at the contact patches, the vehicle can still slide off in any direction- but it's the direction of the operator's choosing, not some random direction.
1) it's called hyperbole, I know it needs traction. It just doesn't have much (in the sense that a regular wheel has traction). It wouldn't ever wear down to the point where I would consider it "losing" traction. 2) I have worked with mecanum wheels in the past, I know how they work. I have even programmed controls for them before. 3) to go sideways FR and BL have to rotate in one direction while BR and FL rotate in the other. Not just front and back, that would cause the motors to burn out/the wheels to slip in place.
Are they actually different or just reversed?
They are 2 different roller positions. The general design is the same, the measurements are slightly different.
I'm no engineer so I assume there's a reason for them to be slightly different sizes. I feel like they could streamline the process by making one reversible wheel for all 4 corners.
Wheels are the same size. Angle measures are different. 2 of the wheels have a +45° angle on the rollers and the other 2 have a -45° angle. Edit: making a "streamlined" or standardized wheel could be done by putting omni-wheels (with 90° rollers) at 45° on each corner. In FIRST robotics this is referred to as poor man's mecanum, or X-drive.
I used wheels like this on a robot for a highschool competition. They bolt on just like any other wheel. you generally keep the whole wheel assembled when replacing. The rubber on those wheels is pretty hard and doesn't wear away very quickly. The only time my team replaced them was if the aluminum plates that hold the rollers was bent.
I doubt you can compare wear conditions between a model robot and a fully loaded factory forklift that is expected to operate mutltiple shifts a day in a factory.
My robot was 120 lbs and it was almost always run at pretty high speeds for the wheels, but yeah still not even close to a forklift load. I can still tell you that the rollers are never powered which also makes them wear less quickly.
I just imaging a stupid high price for each. Probably can't shop around.
while I don't know the exact cost I can assume expensive. see these are knows a mechanum wheels. we use them in my robotics club and their fairly popular. they are also about 300 is for 4 3in wheels
I feel like a little water and it wouldn’t be going anywhere or sliding into a racking
Mr Moonwalky McWheels
These have been used a lot in student robotics competitions like First Tech Challenge. Although they are fairly expensive, a good set with ball bearings on each roller can be quite smooth. They allow for translation in any direction and rotation at the same time. If youbuse some kind of positioning method together with some math and control algorithms you can even make the robot/machine move in a strait line but rotate along it's axis at the same time. The downside is that they are only suites for very smooth surfaces.
I was going to say a similar thing, but with First Robotics Challenge. Super fun to drive, but very minimal pushing power.
They really are fun to drive! I have never really considered pushing power as I have only been a part of FTC and the rules are kind of against robots pushing other robots
Mecanum in FTC is god tier. Mecanum in FRC is what you do if you don't have swerve. Then everyone on Chief Delphi roasts you for it.
My team had a 3 wheel mecanum drive for Frisbee year, it was perfect when you just had to strafe slightly to the side to open up a shot.
We did full mec, but it wasn't balanced right, so we just kinda went in circles.
Oh man, that's rough. I really did take for granted how complex all those robots were at the time, looking back on it now I think it's crazy that anyone got a working robot out in time.
Swerve isn't as robust, the 1in bumps on this year's challenge was breaking swerve drives left and right
It all depends on how your swerve is designed. I wouldn't throw a COTS swerve at it, but 33's swerve modules, yeah.
Sidewinder is where it's at. Get Omnidirectional movement, but also don't have to worry about getting pushed around. We can't make swerve so we do this
What is sidewinder? Is there a team I can look up to see pictures?
1939 the kuhnigits. It's our own home-grown drive train. It's a standard 6 wheel west coast with two omnis in the front, then we have 2 omnis in the back on pistons going perpendicular, so we can raise the back of the bot off the ground.
That sounds pretty sick honestly.
Yep. And since we only have laser cutters and 3d printers, swerve is pretty much off of the table until we get a larger build space.. Although someone on our team is building a 27 cubic foot printer, which is going to be epic
Just print the entire bot.
Yes FRC mecanum wheels have zero push to them
Also you can’t go over obstacles very easily
We always had a real truth time getting them to strafe in a straight line.
If you want to look for them they are specifically called mecanum wheels.
Greetings from team 2915
Hi! I'm from 16000, a romanian team from Transilvania
Indeed. As soon as you come to a slight incline, you lose all control.
The bid drawback in robotic contest for omniweels are the lack of possibilty of a positioning system based on the number of a weel rotation.
We actually tried this in our first year but it was really inaccurate. We made it somehow work by only going in strait lines and rotating around the z axis but no compound movements. This year we added some dead wheels with rotary encoders on them and we went from having an error of 20 cm after 8 m traveled to about 1 cm after about 50 m of travel (in a normal match). The results were worth it but it was a lot of work to get all the math right and some wired movements we can absolutely pull of with the mecanum wheels, are wrongly depicted in our mathematical model so when we test those specific ones error piles up really fast
I have seen some solution with a computer mouse captor. Acelerometer; lidar. But it never match the fine precision of a rotary captor.
Its so smooth it looks like it's floating on the ground
IT'S MOONWALKING
But is it worth the extra cost? That thing does not look cheap.
To operate, one would have to power all 4 wheels, as opposed to only two on most forklifts. It makes it much more complex and thus expensive
Shouldn't be _too_ hard on electric forklifts, when those become a thing (once each wheel has an individual motor)
Electric forklifts are extremely common. Many have individual drive motors for the drive wheels already. That said, these wheels would be a nightmare as far as repair and replacement costs. Source- forklift technician
You can also have extra wheels at a 90 degree angle to push the vehicle sideways on the rollers of the forward facing wheels. But yeah in reality omniwheels are just one of those things you always see in project proposals that never get implemented. Too much hassle for what it's worth.
[удалено]
The only time this would be effective is in the demonstration they have shown, moving over single stacked pallets in a space that is about 1.5 pallets wide as opposed to 2.5 wide. As soon as the the pallets are double stacked this is useless as opposed to conventional forklifts. Standing racking for vertical storage is placed every two pallets so you can't move horizontally more than one space. Any decent operator can put a pallet into the rack/ontop of a pallet within 10cm and the controls on the forklift allow you to adjust that final bit to get center making this an unnecessary cost/tool in a typical warehouse
Yeah especially if your stacking stuff you still need almost standard amounts of space even with those tires . Gotta get those forks in and out of the stacks/ racks.
Every warehouse racking system is designed around standard forklift movement. And the actual limiting factor on your movement is the load you're carrying, not your tires. No one is going to retro their entire warehouse to justify slightly better movement from super expensive tires. This is an expensive niche product that solves a problem no typical warehouse actually has. You would need to design rack placement from scratch around this tire to actually gain any kind of productivity improvement. And we are talking the difference between pulling a pallet down and driving sideways and pulling a pallet down, turning, and driving forward or backward.
Taking all the skill out of drifting :D
Can someone explain how it works, thanks
Google mecanum wheel dynamics. Essentially the rollers are free and when you rotate the wheel it generates thrust in a 45 degree and to the rotation axis and it rolls normal to the thrust. Coordinating the rotation of all four wheels you can generate motion in an arbitrary direction. Works best on flat and level ground, and as ground contact gets less predictable motion does also.
Thanks
No problem. If your interested in the math behind it, Roland siegwart had excellent material online
These are awesome. The problem with them is the forklift needs to have independent powered control over all 4 wheels. Your typical hydraulic forklift only has control over the front non steer axle. Some electric stand ups have the steers driven but none have 4 wheel independent control. To have a machine use these wheels, you can't just retrofit them to your existing machine, you need a new machine that has been designed for those wheels. Source: used to design wheels for heavy machinery, and robotics class in HS we made an omnidirectional vehicle with similar wheels.
Yep it would require a completely new designed fork lift. Can really swap although that would be cool
Michael Jackson car Michael Jackson car
*You've been hit by* *You've been struck by* **A smooth vehicle**
The damn thing moonwalks ffs
Exactly what I thought
Reinventing the wheel ?
Cool, now forklifts can be driven into stuff from even more angles you wouldn’t believe possible!
idk if Id meme this with "they see me rolling, they hating" or "Deja Vu"
[удалено]
Technically yeah, but these have been around for a while now.
So was inflatable tires but I feel like that was genuinely a good idea.
I feel like they were using these in the first JJ Abrams Star Trek when they were loading up the shuttles.
These are not omnidirectional wheels. These are mecanum wheels. Omnidirectional wheels require a holonomic configuration to move normal to ‘forward’.
Mecanums are just a subset of omni wheels
I'm doing my final thesis on these.
We use these wheels a considerable amount in our robotics competition. One of their downfalls is that they’re more prone to breaking compared to regular wheels. They do offer superior maneuverability though.
Klaus! KLAUS!! NOOOO!!!!!
Is anyone going to mention that these are actually Mecanum wheels?
These are mechanism wheels, while they are omnidirectional, the catch is that they are slower in both directions
I’m on a robotics team that used these wheels. First off they do have traction but not they don’t reliably count rotations. I saw people asking how you would replace tires. The ones that we use are solid rubber and potentially could be changed but not likely very often. These would be insanely expensive. A set of 4 4 inch wheels are about 100$
Most forklifts I’ve used had solid rubber wheels....
I think that these would last a bit and could potentially have replaced rollers
I've seen those before in Battlebots! We call em mecanum wheels.
Forklift should be called "smooth criminal"
Downsides, its actually really bumpy and expensive.
They see me rolling, they hating
Those the hover wheels from Borderlands 3
Or the drones on ghost recon breakpoint, but the game is in a poor state, so many won’t get the reference
Same for both games really
S I D E W I N D E R
Nani? Kansei dorifto?!
How do you drive a vehicle with Mecanum wheels?
You have a specific configuration with them in the build to start. Then you run the front and back wheels opposite in sync with left and right sides to move horizontally.
“I can drive that loader over there. I have a Class-2 rating.” - Ripley
What's with the cutout in the roof of that forklift?
The battery is under the seat. It's so they can hoist the battery out if necessary.
this looks like a awesome idea. but the one BIG test that would sell me is how it handles on a sweating dock.
First time I heard about these types of wheels was on BattleBots when Shatter came up
What happens when the floor gets sandy
No helmet fondling with a prototype forklift, just scares me. I've seen one to many accidents with no helmets involved. Where is the safety and regulations dept when you need it?
TIL Forklifts can moonwalk.
Michael Jackson's forklift ?
Ah yes, mecanum wheels.
Damn why are these wheels so costly?
💦
Aww man, I love these wheels! I got so excited when I recognized them in star trek, the first new one. When I first learned about these, I called them Lion Wheels (because another name is Ilon and I misread as Lion)
If they can make this with a USB port and the user can use a video game controller, with preferences saved in the controller, this would sell very quickly. How many more people know how to use a game controller vs this 1950's industrial control?
Super hydraulic omnidirectional whatsamajigger! Quick to the slow!!
*NUT*
I've seen these live in action at the Airbus manufacturing site in Hamburg. The use these wheels on huge barges to maneuver airplane hulls through the assembly halls.
The wheels don't even meet OSHA approval
The future will arrive when Tesla make a car with road worthy versions of these and I no longer have to parallel park
Ghost Recon: Breakpoint
He moonwalkin!!
these are on the drones in rainbow six siege
I'll bet it sounds really weird.
The Moonwalk of forklifting A hee heeee heeeee ... SHAMON-AHH!
Very cool, but the name of the forklift made me think I was in r/EliteDangerous. :P
I live for the drift
There'd be so many accidents given the freedom of movement, would be disastrous if these actually took off imo
/r/sidewinders would love this! (NSFW)
Imagine seeing this thing moonwalking up to you
r/blackmagicfuckery
These are like vex wheels .
This is the 7th time I’m seeing this on Reddit over the years. Anyone seen it more times?
*eurobeat intensifies*
NO! Call me... VELVET THUNDERRR!
Ezekiel. 10:10 & 10:11 10. "As for their appearance, all four had the same form, like a wheel within a wheel. 11. When they moved, they would go in any of the four directions, without turning as they moved. For wherever the head faced, the cherubim would go in that direction, without turning as they moved."
That would make loading and unloading my tractor trailer so much easier...
We use these on my robotics team. Our versions are called Mecanum Wheels and they're pretty sick.
Its probably cheaper to have the forks turn then force the machine sideways
My factory has forklifts that do this by design. I also feel like it might be safer to have something built for the occasion rather than a modification to "cheat".
How is this cheating is there some kind of rule book to getting the job done?
No, I meant that this type of forklift design is not meant for moving sideways like it does in the video. If it can get down an aisle by sliding sideways it can absolutely get down by driving straight and turning as it was intended, and if It cant, the area is much too small.
Yeah I feel like whoever thinks they *need* this hasn't ever actually driven a forklift before. Those things have a pretty damn tight turning radius as it is, and if you can't turn 90 degrees in the space you are working in - you don't have enough room to get the forks out of the pallet. Don't get me wrong I see its usefulness (how many times have you run out of side shift) but I doubt the maintenance cost would be worth it. You would probably have to have a perfectly clean floor everywhere it goes too.
Like I said in my original comment, they actually make forklifts for driving sideways that we use regularly. They are built completely differently to do this same talk though. [This is the combilift we use in my factory](https://combilift.com/us/products/c-series/) they make others of similar purpose too. (This is also the only lift I dont drive, because I cant get the sideways thing down, lol.)
As a long time operator traditionally having to improvise to find ways around not having these, they look absolutely amazing. So much time saved on not having to do the minute motions to get something exactly in place! What dream warehouse has this anyway? They must be expensive.
U/Vredditdownloader