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Thread: Central Support Staircase

  1. #1
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    Central Support Staircase

    On Saturday I cut the 4" x 4" x 1/2" wall steel square tube to the right angle and also got the cut off that creates the right angle to make the jig to hold the tread plates at the right angle. I cut out, ground and welded on the top mounting plate too. On Sunday I finished the jig and started welding on treads. So far it seems sturdy and is coming out nicely.

    I am TIG welding it.









    Sincerely,

    William McCormick
    Last edited by William McCormick; 04-30-2018 at 03:57 AM.
    If I wasn't so.....crazy, I wouldn't try to act normal, and you would be afraid.

  2. #2
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    Re: Central Support Staircase

    Looking good!

    Some purist will tell you that there is some undercut in the close up of the bead in the third picture (far right) but I am not a purist and I doubt I could do any better.

  3. #3
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    Re: Central Support Staircase

    William,

    Looks hell for stout. Curious as to why you went with TIG instead of stick or dual shield (if available) though.

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    Re: Central Support Staircase

    Quote Originally Posted by HT2-4956 View Post
    William,

    Looks hell for stout. Curious as to why you went with TIG instead of stick or dual shield (if available) though.
    It is going to be visible, and I am better with TIG, I do not get to do too much stick anymore. Also, the smoke is a problem where I am doing it. I wasn't sure about welding with stick, and trying to weld between the treads but looking at it, if I started at the bottom and worked my way up I could have pushed a 7018 and achieved decent results. But then there is spatter and what not. And I am sure the welds I did will hold for their intended purpose.

    When I am done, I am going to fill the 4" x 4" tube with cement, to stop any vibrations and make them really strong and solid.

    I am going to use commercial wooden beams 3" x 12"'s as treads and then polyurethane them. I am going to route the plates into the treads.

    Sincerely,

    William McCormick
    If I wasn't so.....crazy, I wouldn't try to act normal, and you would be afraid.

  5. #5
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    Re: Central Support Staircase

    Quote Originally Posted by Mikel_24 View Post
    Looking good!

    Some purist will tell you that there is some undercut in the close up of the bead in the third picture (far right) but I am not a purist and I doubt I could do any better.
    When you come around that corner of the plate that meats the tube right at that radius, it tends to undercut, it washes some of the material into the puddle. I was still learning the weld I am more mindful now. Plus I am moving along at a decent pace.

    Only the underside of the stairs can be seen. I am just heading back from a second call or I would have worked on it more.

    Sincerely,

    William McCormick
    Last edited by William McCormick; 04-30-2018 at 08:14 PM.
    If I wasn't so.....crazy, I wouldn't try to act normal, and you would be afraid.

  6. #6
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    Re: Central Support Staircase

    Quote Originally Posted by William McCormick View Post

    I am going to use commercial wooden beams 3" x 12"'s as treads and then polyurethane them. I am going to route the plates into the treads.
    Don't forget to take pictures of that process! I am curious to see how the routing goes.

    Is this staircase going to have any kind of railing or something?

  7. #7
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    Re: Central Support Staircase

    Quote Originally Posted by Mikel_24 View Post
    Don't forget to take pictures of that process! I am curious to see how the routing goes.

    Is this staircase going to have any kind of railing or something?
    I picked up the lumber and surprisingly it was $200 with tax. I finished welding on the plates today, with the new hydraulic table we picked up from a friend of mine a machinist that is retiring. He has a crazy ARC welder he wants $100 for, it might come in handy.

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    Sincerely,

    William McCormick
    If I wasn't so.....crazy, I wouldn't try to act normal, and you would be afraid.

  8. #8
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    Re: Central Support Staircase

    Anyone know anything about this welder?



    Sincerely,

    William McCormick
    Attached Images Attached Images  
    If I wasn't so.....crazy, I wouldn't try to act normal, and you would be afraid.

  9. #9
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    Re: Central Support Staircase

    Quote Originally Posted by William McCormick View Post
    Anyone know anything about this welder?

    Sincerely,

    William McCormick
    It's cool enough to be an end table in my living room
    Dave J.

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  10. #10
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    Re: Central Support Staircase

    I can see why you're using TIG. Close quarters with a lot of nooks and crannies that could harbor sparks, and start a fire.

    You figgerin' on Ms. Piggy using those stairs? Stout enough to even hold that fatazz Rush Limbaugh..........with a bag full of Viagra pills to boot Scumbag.

    lookin' good
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  11. #11
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    Re: Central Support Staircase

    Please pick up that dam shovel,it just bothers me laying on the floor like that!!!

  12. #12
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    Re: Central Support Staircase

    Quote Originally Posted by gxbxc View Post
    Please pick up that dam shovel,it just bothers me laying on the floor like that!!!
    And here I am wondering and worrying about welding next to a huge gas meter



    That stair looks heavy. Any idea how much it weighs?
    T man.


    15 + years working for myself, and by golly, I still don't know what I want to do when I grow up.

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    Re: Central Support Staircase

    I wonder how in the heel he is going to get it out of there,I don't see a door,and that fat azz limbaugh would not fit down those stairs.
    and now I have to look for the gas meter! I though that was at a different shop.
    Last edited by gxbxc; 05-14-2018 at 02:55 PM.

  14. #14
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    Re: Central Support Staircase

    The welder is a K.O. Lee company. "knock out" model welder. I saw one sell like that at an auction one time. Weighs about as much as a bank vault. I'm sure it's a very well built welder with a good arc. The best part is it looks neat! Great for a man cave


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  15. #15
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    Re: Central Support Staircase

    Found a image of faceplate. They are a rare bird for sure




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    Steve

    Miller Dialarc 250 (1990)
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    Lincoln MP210 (2015)
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  16. #16
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    Re: Central Support Staircase

    Quote Originally Posted by gxbxc View Post
    I wonder how in the heel he is going to get it out of there,I don't see a door,and that fat azz limbaugh would not fit down those stairs.
    And now I have to look for the gas meter! I thought that was at a different shop.
    The wood that gets mounted to the steel tread plates overhangs the metal tread plates by about eight inches. I believe the width at the top of the stairs is 42 inches wide. At the bottom, it gets a little wider.

    The gas meter is in my friend's machine shop.

    Sincerely,

    William McCormick
    If I wasn't so.....crazy, I wouldn't try to act normal, and you would be afraid.

  17. #17
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    Re: Central Support Staircase

    Quote Originally Posted by T man View Post
    And here I am wondering and worrying about welding next to a huge gas meter



    That stair looks heavy. Any idea how much it weighs?
    The stairs weigh about 800 without the wood. I just rolled the hydraulic table and stairs to one of the three roll-up gates and put a dolly in the van lowered the table and pushed the stairs into the van myself. At my son's house, I had a friend I work with meet my son and I on Mothers day morning to help us get it out of the truck and into to the house through the doorway. IBEW Local 3 boys are strong. It took five minutes, and we had it inside on two dollies. We are going to fill the tube with cement and core drill the floor one night this week.

    Yea I would not put it next to the gas meter myself though.

    Sincerely,

    William McCormick
    If I wasn't so.....crazy, I wouldn't try to act normal, and you would be afraid.

  18. #18
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    Re: Central Support Staircase

    Can't wait to see it in place. Looks like a fun job, indeed.

    Thanks for sharing.
    T man.


    15 + years working for myself, and by golly, I still don't know what I want to do when I grow up.

  19. #19
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    Re: Central Support Staircase

    What are they doing with all the old commercial washers or dryers?
    Lincoln Power MIG 180.
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  20. #20
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    Re: Central Support Staircase

    Quote Originally Posted by deafman View Post
    What are they doing with all the old commercial washers or dryers?
    Parts. The tubs are worth almost $700 each.

    Sincerely,

    William McCormick
    If I wasn't so.....crazy, I wouldn't try to act normal, and you would be afraid.

  21. #21
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    Re: Central Support Staircase

    Quote Originally Posted by Sparkie1957 View Post
    Found a image of faceplate. They are a rare bird for sure




    Sent from my iPad using Tapatalk
    Thank You very much. I was wondering what kind of power it neded. I think I am going to pass on it though, especially if it is heavy. I am going to pick up a little inverter unit.

    Sincerely,

    William McCormick
    If I wasn't so.....crazy, I wouldn't try to act normal, and you would be afraid.

  22. #22
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    Re: Central Support Staircase

    I wish I was close. That would be a good addition to my collection. Iím sure it would weld nice for a AC machine.


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    Steve

    Miller Dialarc 250 (1990)
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  23. #23
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    Re: Central Support Staircase

    My son and I installed the stairs today, now we can start on the wooden treads. It went pretty well a lot of putting them in place lifting and fitting then removing and coring and then notching the header and then cementing it in place. All and all very rewarding.

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    Sincerely,

    William McCormick
    If I wasn't so.....crazy, I wouldn't try to act normal, and you would be afraid.

  24. #24
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    Re: Central Support Staircase

    These are a few more pictures.

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    Sincerely,

    William McCormick
    If I wasn't so.....crazy, I wouldn't try to act normal, and you would be afraid.

  25. #25
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    Re: Central Support Staircase

    That is the finale step, we cemented it in place.




    Sincerely,

    Willliam McCormick
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    Last edited by William McCormick; 05-21-2018 at 12:49 AM.
    If I wasn't so.....crazy, I wouldn't try to act normal, and you would be afraid.

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