Giddings & Lewis No. 25-RT HBM info and advice - Page 15
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  1. #281
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    Sure makes some jobs easy to do...

    Pin bored 90mm deep with a, 8.5mm drill.... Counter bored and tapped 1/8BSP for a grease nipple...

    Just spin the table to get the vice at 90 degrees, centre the drill and away you go..

    20140922_143201.jpg

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  3. #282
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    Quote Originally Posted by RC99 View Post
    Sure makes some jobs easy to do...

    Pin bored 90mm deep with a, 8.5mm drill.... Counter bored and tapped 1/8BSP for a grease nipple...

    Just spin the table to get the vice at 90 degrees, centre the drill and away you go..

    20140922_143201.jpg
    Which facing head do you have? One has only two feeds. The other has a number of feed settings.

    John

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    Quote Originally Posted by BrianB View Post
    I was planning to just weld up an angle plated rectangle that would be recessed in the concrete the depth the plates are thick and cast into place. I think that would avoid any need for anchors for the angle as it would be locked from all sides by the concrete. this isn't in a factory where it would be seeing tons of traffic. In fact with it under a crane I expect it to really see no floor traffic around the machine besides foot.
    Here are some pictures of the support rails installed on a G&L photo3.jpgphoto2.jpgphoto1.jpg

  5. #284
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    How much does the rail stick up above the concrete, or I guess just as important how deep are the pits? I hadn't really thought about it till now but it will be very hard for me to determine their right depth with the table off the mill it is going to be hard to measure. I will for sure have to try to contact G&L and see if they have a foundation drawing for my machine before I get started doing the concrete work as it would be invaluable. Thanks for the pics. That looks exactly like what I had in mind doing.

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    Quote Originally Posted by BrianB View Post
    How much does the rail stick up above the concrete, or I guess just as important how deep are the pits? I hadn't really thought about it till now but it will be very hard for me to determine their right depth with the table off the mill it is going to be hard to measure. I will for sure have to try to contact G&L and see if they have a foundation drawing for my machine before I get started doing the concrete work as it would be invaluable. Thanks for the pics. That looks exactly like what I had in mind doing.
    The lip on the sides of the rail hold up the diamond plate as well as the angle on the top edge of the concrete pit. The depth of the pit would be the thickness of the diamond plate plus the height of the rail from the bottom to the ledge and about one inch more to allow for adjusting the rail for level. The outboard supports coming down from the table have height adjustments on them. The main thing is that the supports have to be level. The height sticking up out of the floor is determined by the thickness of the diamond plate. I did not measure it but it looked like 1/4 inch thick. Leave enough room on the sides of the rail so you can swing a wrench in there without a lot of trouble. You have the center stud tied into the concrete and around that you have the height adjusting screw.
    Make sure you clean all the adjusting screws so they turn easily. I would put the rail in place and then drill through the hole in the adjustment bolts after getting the proper alignment with the table. IF you don't get an erection print for the machine you will have to measure the distance between the two supports and space out the rails to that distance.

    John

  7. #286
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  8. #287
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    Is the facemill just on a No 4 Morse taper? Held in with a key?

  9. #288
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    Yes.......

  10. #289
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    Nice, when you move on to bigger work it'll be interesting to see what the " blend in " is like.

    Regards Tyrone.

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    I would say the blend would be pretty crap... I know the alignments are out from wear... But is good enuff for bush work..

  12. #291
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    Quote Originally Posted by RC99 View Post
    I would say the blend would be pretty crap... I know the alignments are out from wear... But is good enuff for bush work..
    A lot of the wear you can get out by leveling the bed and head. Cast iron bends quite a bit.

    John

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    Quote Originally Posted by amdinc View Post
    A lot of the wear you can get out by leveling the bed and head. Cast iron bends quite a bit.

    John
    Very true. Of course you need to bolt your machine down to make the most of this fact. Regards Tyrone.

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    Quote Originally Posted by Tyrone Shoelaces View Post
    Very true. Of course you need to bolt your machine down to make the most of this fact. Regards Tyrone.

    I thought everybody bolted their machines down.

    John

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    What in the US ? Not if the membership of this board is anything to go by. Regards Tyrone.

  16. #295
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    Quote Originally Posted by red mill View Post
    I have a G&L no.25T,#483.I would like to get a copy of the book that has been talked about on this forum.If anyone can help me out please reply.I will try to post pictures soon.It is just a naked machine with no attachments.In good shape and ready for service.Thanks for any help.
    Wanted you to know that I got your email from the site requesting some information but cant contact you due to email being rejected as undeliverable?

  17. #296
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    And another one has turned up... Amazing how many of them are still out there seventy years later..

    Hoff Online Auctions

  18. #297
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    Such a cute little boring mill! I love seeing these in action.

  19. #298
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    img_5180.jpgimg_5181.jpg

    OK guys add another one to the list
    G&L 25T
    Sn. 324
    Tailstock and Facing Head
    My question is what kind of quick change systems are out there for the 4 taper. I don't see much.
    I would like to find a Weldon Holder I think it would be a QMA-4
    I did find a company that may make one. Marlin Tool (PDQ) in Ohio but you can only use their toolholders.
    Waiting on a quote
    Rene

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  21. #299
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    Looks good, damn handy machines for small home type shops...

    I see that one in the auction above sold for $5250..

  22. #300
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    Just a boring picture of some face milling... The head is out of square as I already knew, there is a small step in each pass..

    it is a 90mm diameter face mill..


    20150329_135816.jpg


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