process of making a train wheel

  1. Towards the end, right before they made the hole through it, someone uses a set of old-school calipers to make sure its in tolerance.

  2. This is just forging to get the rough shape and also strengthen the material/metal structure, will later be turned to required tolerances.

  3. After this it would be put on a lathe and milled down to precise measurements. Can you imagine the damage that would be caused by a lopsided train wheel carrying a load at speed?

  4. This looks more like a belt wheel for a big piece of machinery, if it was a locomotive wheel it wouldn’t be just a hot block of steel made into a cylinder, most locomotive wheels are the metal Tyres and the Rims, which are separate parts in most cases, and most if not all locomotive wheels have a lip and an angle to em, needless to say this is still cool though!

  5. Like many others have said this is just a blank and would be finished later on with different machines but also I was thinking it didn't look like any train wheels I've ever seen. So both could be true

  6. Agreed, the run surface in train wheels are angled so that the train stays on the track. Richard Feynman includes a discussion of that in a videotaped interview that’s been posted on Reddit many times before.

  7. This doesn’t look like modern western manufacturing to me, does anyone know from where and when this material is?

  8. I would guess that unfortunately not many women are "allowed" to work with this. In the early 1900s they probably did the same thing as this but with pulley systems instead of hydrolics

  9. My brain had trouble processing that that's a full size broom and this whole process is, in fact, not toy sized

  10. In what 2nd or 3rd world country is this? Also this wheel does not look to me large enough in diameter for a train, nor is there a track flange.

  11. The giant holding the steel with pliers and doing the hammering must be one of the last few left. Nowadays they use machines mostly.

  12. I misread the title as "process of making a training wheel" and watched for a while thinking that must be a BIG bike.

  13. They have the same hammers, manipulators and tooling in forge shops here in the states. This could be in Texas, Pennsylvania or even Chicago.

  14. I would argue that while not as efficient, you could make the same finished part that meet every “extremely high standard and spec” as the high volume parts that you referenced. These are not forged to size, there is cover stock on both parts (although the automated parts are forged closer to finished size than the rough forging in the original video). Both go through several processes including heat treatment, non-destructive testing and machining. The finished parts will be as identical as they will be turned to he sizes specified on the blueprints.

  15. Whoever is operating the hammer thing is having the time of his life.. really just slammin that thing

  16. I actually would like to know, where this was made - so I know where I'll never take the train again... Pure manual work has far too much potential for mistakes. A few hairline cracks and boom...

  17. So, I'm curious how many times this is going to be reposted today. Just this morning I've seen this at last ten times on my front page.

  18. I thought this was a close up of the process… until I saw those full sized men walking around in the background!!

  19. But this looks more like a tank wheel? Train wheels have composed of one diameter for running on track and one more wider disc to prevent slip. Also ordinary train wheels are one piece axles, rigth?

  20. Damn that job is hard. I just about feel kicked in the stomach just imagining the heat exhaustion doing that. That thing is radiating some serious heat, would melt me like butter.

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