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Type: Posts; User: cuttergrinder

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    I went from 1 extreme to the other. Today i had...

    I went from 1 extreme to the other. Today i had to poke out some 3/16 blind keyways in some shafts that had a .760 bore. The keyway had a radius bottom and were .200 deep. I poked these on the cnc...
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    I indicated the bore at the center line but when...

    I indicated the bore at the center line but when i got it roughed out, it was cutting .040" deeper on the small end. I then indicated the bore right along the side of the keyway and bumped it around...
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    Bad in the winter. Very cold

    Bad in the winter. Very cold
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    I havent done any that long but i have done some...

    I havent done any that long but i have done some on the planer. We have a 20 footer. We did one then the customer had it heat treated. The key got tighter after heat treating so i had to set up a...
  5. There is a place in salem, ohio that will make...

    There is a place in salem, ohio that will make you custom sleeves for about 100.00 each if you wanted to go that route. It called powerbore cylinder sleeves
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    These kind of jobe are about all we use this old...

    These kind of jobe are about all we use this old boring mill for. We have about 5 right angle heads for it of different lengths and sizes. We have other g&l boring mills that are much nicer to run.
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    I used a 3" carbide facemill to rough it out. The...

    I used a 3" carbide facemill to rough it out. The keyway is 22" long
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    Better pictures

    Better pictures
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    Large internal keyway

    This may be the biggest internal keyway i ever cut. 5" wide by 1 3/4. 19" tapered bore
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    Its just like any other mics. You just wiggle it...

    Its just like any other mics. You just wiggle it around to find the sweet spot. Thats my son in that picture. He is 6' 3" tall i am 6' 6"
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    We didnt make the mics. Im not sure who...

    We didnt make the mics. Im not sure who manucatured them. These are not the mics i used on the bushing. Just a picture i had on my phone. I dont think this picture was even the biggest ones.
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    Yes we have big mics. I think we have to 54" mics.

    Yes we have big mics. I think we have to 54" mics.
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    The body of the bushing in 33.655. I have no idea...

    The body of the bushing in 33.655. I have no idea what the bore size of the housing is.
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    It may go high enough but getting a big enough...

    It may go high enough but getting a big enough boring bar in there may be a challenge.
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    I tried to bore the bushing with my next smaller...

    I tried to bore the bushing with my next smaller boring bar which is 4" and it just vibrated horribly. The big bar didnt chatter at all.
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    You are probably right. Also dont know how i...

    You are probably right. Also dont know how i could mount my 8' boring bar on there . Lol
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    I showed this to the boss

    I showed this to the boss
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    The grooves are cast in .

    The grooves are cast in .
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    We get our mcmaster stuff delivered by a private...

    We get our mcmaster stuff delivered by a private delivery service. We used to have this hot looking women that did the delivery. I mean she was smoking. One day we got a package in the morning...
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    You mean if i mess this one up , i cant order a...

    You mean if i mess this one up , i cant order a replacement from mcmaster-car. Now im nervous. Lol
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    Yes the other lathe is smaller dia but longer. I...

    Yes the other lathe is smaller dia but longer. I believe it will swing 30" over the carriage x 20' long.
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    They are cast in 2 pieces. The splits are milled...

    They are cast in 2 pieces. The splits are milled and tack welded together and then turned. There is not a huge waste but i bet i got 300 lbs off that bushing. The 2 halves weigh about 1,600 lbs when...
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    Here is a couple more pictures. The one is...

    Here is a couple more pictures. The one is showing the grease grooves i have to bump over. The other picture is another set i made. They are getting some holes drilled on the boring mill.
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    Its not a powered compound. It has a rapid...

    Its not a powered compound. It has a rapid traverse on the carriage. Its actually a cable drum lathe. It cuts leads rather than threads per inch.
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    We used to do some maintenance work for a shop...

    We used to do some maintenance work for a shop that cut sanding disks and scotch brite . They used what they called dies. The die was actually made of wood and it had a groove cut into the wood and a...
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