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I Forge Iron

Robert_t

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  1. Hey all so I am attempting to repair a spiral gear blower the small gear is missing 2 teeth not the spiral gear thank goodness. I have managed to get everything apart but the middle gear and shaft which means I can not get it out of the case . Does anyone have any pointers? I have tried using my 6 ton press and it will push the bushings out a bit but not all the way due to the gear stopping it. I have tried pushing the shaft out and it does not seem to want to move. I know it has a key way and it had a screwed in pin that I removed. I just can not seem to get it to come loose. Any and all suggestions would be greatly appreciated. If I need to submit pictures please tell me what shots you would like to see of it.
  2. I haven't posted on here in years and after seeing this thread I think I understand what he is asking for. What your asking about is Smelting in a bloomery furnace. This is how they use to extracted iron. While this does produce molten steel/iron it is not like casting as you are not handling the liquid iron/steel directly. Here is a link to an example of it being done(this is not my group just an example I found). This takes at-least 2 days of work not counting the setup the building and collecting of materials. My blacksmith chapter has done it once and it took some where in the neighborhood of 150 pounds of charcoal to produce a billet of carbon steel the size your asking for The rest of it was cast iron and slag. Now granted this was the first attempt but it took 15-20 men with probably 100-200 years of combined experience and months of planning to do this.
  3. I was mounting my post vise to a piece of rail road track I cemented into the ground the standard bracket it came with would not work so I made this little setup out of 1/8th inch thick 2 inch wide mild steel. Its not the prettiest work I have done but it does hold the vise well. I just drilled the holes and bolted the bracked straight to the rail road track.
  4. I cut one to put between the 2 halves of the fan housing and one to put between the gear housing and its top. This is where I found most of the gunk I am assuming was used to seal it so I just went with leather to make some gaskets.
  5. Well it took a lot longer than I thought it would but here are some before and after shots. I replaced all the screws as all of them where in very rough shape. I cut a new depth screw to replace the damaged one. I had to cut a new 1/8th inch key for the gear on the shaft attached to the handle also had to file out several rough spots on the shaft as when it was "fixed" before they just forcibly screwed the set screw into the key slot on the shaft :angry:. Cut me some leather gaskets turned a cedar handle painted and put it all back together and bam ready for another 20 or 30 years of work :D.
  6. Also if you have to replace the keys in the gears I found that 1/8th inch flat steal stock was the appropriate size for mine cut a piece off file it smooth and bam your all set :D
  7. If you have any questions on it I just finished restoring mine it looks very close to yours the gear box looks identical it was in a little rougher shape so I had to have it sandblasted as one of the previous owners had used some kind of sealant wax/putty for gaskets. The Drive shaft will actually come off easy find a bolt as the same thread size and you can push the bushing clean out with it. Be careful though as the threads do not go all the way in I flattened the threads on the head of a screw out by forcing it in. I was terribly worried I had messed it up but luck was with me. The upper shaft's bushings are another story you will have to have a press to push them out or a good vice. Either way be careful not to crack the case I actually just gave up trying to get it out as I could clean everything with out taking it out. Here are some pictures of my finished one. I used leather for the gaskets easy to cut and seals well.
  8. So I bought the blower and decided to post some more pics of it broke down and getting ready for a good cleaning. Also got to figure out the size of the screw in pic 137 as it is rubbing the inside of the gearbox. Also got to look at a way to drill and tap the anchor screw on the handle as it has been snapped off. Other than those 2 little things I think this will be a great blower when its all cleaned up.
  9. I am looking at buying this blower. The gentleman says that the blower turns freely and he believes the teeth are all intact. I am going to ask for a picture of the inside of the gearbox and ask if the handle slows down slowly after it has been cranked any other things I should check or ask about before I drive out to look at it. Also if it is in good working order what would be a fair price to offer for it? As always thank you all for your help and the great advice and information I keep finding in this forums. Robert T
  10. Hey guys I have finally got my design for my charcoal forge and wanted to post a picture of it and see if any of you see anything drastically wrong with it. The only thing I am really concerned about is the heat transfer from the fire brick to the cinder block caps. I am thinking that when I apply the refractory mortar to the bottoms of the fire brick I might leave the ends open so the air spaces between the fire brick and the caps will be open to cool air. I am just concerned about the heat getting to the caps and causing them to break apart or even worse explode(not sure this can actually happen with this setup). Whats your thoughts? Any and all advice will be greatly appreciated.
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