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IndustryArena Forum > MetalWorking Machines > Benchtop Machines > Best way to mount machine stand G0704
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  1. #1
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    Best way to mount machine stand G0704

    Hey Zoners! Been reading for a while, but just now getting around to really posting anything.

    Sorry for the silly question, but I wanted to make sure I did this right so I didn't have to do this more than once. Seems like I've read about something like this before...but I couldn't find it when I searched.

    I just got my G0704 and have the area scoped out where I am going to put it in my garage. The area is *MOSTLY* level. When I place the stand, I get a slight wobble. I have a .030" shim that takes out the wobble.

    My question is - how do I get the most rigid setup? Should I try to anchor the stand down to the concrete without the shim? Or should I use the .030 shim and then anchor?

    I assume using the shim is superior...but wanted to check with people with more experience to be sure.

    Thanks for any feedback,

    Doug

  2. #2
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    I would try anchoring it down without the shim just to see if the wobble could be caused by bowing or twisting in the base. If you tighten all of the bolts down and it is still not level then I would use the appropriate shims.

  3. #3
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    So, how would you even anchor it? Drill holes in floor, insert bolts, use epoxy or cement to hold the bolts in place, use a jig to keep the bolts vertical while the stuff dries? Or something else?

  4. #4
    Quote Originally Posted by doorknob View Post
    So, how would you even anchor it? Drill holes in floor, insert bolts, use epoxy or cement to hold the bolts in place, use a jig to keep the bolts vertical while the stuff dries? Or something else?
    Lots of concrete anchor types, i like the ones you drill a hole and pound
    them in, tighten the bolt and you're solid.
    just ask for help at lowes.
    Hoss
    http://www.hossmachine.info - Gosh, you've... really got some nice toys here. - Roy Batty -- http://www.g0704.com - http://www.bf20.com - http://www.g0602.com

  5. #5
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    They are called anchor bolts. You simply drill an appropriate size hole in the concrete for the bolt then drive the bolt into the concrete. When you tighten the nut down onto the base it will pull up on the bolt anchor causing it to wedge into the drilled hole. I have always used a Hilti hammer drill to drill the hole but I am sure you could use a regular drill with a good bit. It just drills faster and easier with the hammer drill. Here is a slight description of an anchor bolt.
    Anchor bolt - Wikipedia, the free encyclopedia

  6. #6
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    Quote Originally Posted by dugpits View Post
    Hey Zoners! Been reading for a while, but just now getting around to really posting anything.

    Sorry for the silly question, but I wanted to make sure I did this right so I didn't have to do this more than once. Seems like I've read about something like this before...but I couldn't find it when I searched.

    I just got my G0704 and have the area scoped out where I am going to put it in my garage. The area is *MOSTLY* level. When I place the stand, I get a slight wobble. I have a .030" shim that takes out the wobble.

    My question is - how do I get the most rigid setup? Should I try to anchor the stand down to the concrete without the shim? Or should I use the .030 shim and then anchor?

    I assume using the shim is superior...but wanted to check with people with more experience to be sure.

    Thanks for any feedback,

    Doug

    By the way. What exactly do you mean when you said you just received your mill. Within the last few days or a few weeks ago?

  7. #7
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    Quote Originally Posted by hoss2006 View Post
    just ask for help at lowes.
    Hoss
    Becareful what you wish for!
    I went to Lowest today. After looking in 4 different departments, I finally asked 3 different people: "Where is the unistrut?" Every single one of them said "Huh, What's that? What's it for?" :withstupi
    Really have nothing against the big box stores. It's just that many of the people that work in them don't have the knowledge or experience to properly assist customers. So my advice, to everyone, is to do your homework before you ask some of them for help.

    BTW: Never did find the unistrut. Didn't have time, I had to get back to put out more/other fires at work. (flame2)

    Randy,
    I may not be good....
    But I am S L O W!!

  8. #8
    Quote Originally Posted by DIYaholic View Post
    Becareful what you wish for!
    I went to Lowest today. After looking in 4 different departments, I finally asked 3 different people: "Where is the unistrut?" Every single one of them said "Huh, What's that? What's it for?" :withstupi
    Really have nothing against the big box stores. It's just that many of the people that work in them don't have the knowledge or experience to properly assist customers. So my advice, to everyone, is to do your homework before you ask some of them for help.

    BTW: Never did find the unistrut. Didn't have time, I had to get back to put out more/other fires at work. (flame2)

    Randy,

    If you search for unistrut on lowes.com you get this.
    We're sorry, we couldn't find any matches for "unistrut"


    Kinda hard to blame people working there for not knowing about something they don't carry.
    Maybe you should try Home Depot.
    Hoss
    http://www.hossmachine.info - Gosh, you've... really got some nice toys here. - Roy Batty -- http://www.g0704.com - http://www.bf20.com - http://www.g0602.com

  9. #9
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    hoss2006,

    I hear you. :wave: I'm not really trying to blame anyone for anything. However, an experienced person working either plumbing or electric departments really should be aware of what unistrut is. I wouldn't expect a new employee that once worked at the local deli to know about unistrut. Everyone needs time to get experienced in their new arena.
    I actually used to work at the "Big Orange Store" for a vendor in the electric department. As it turns out the HD is geared more towards the contractor/trades and Lowes is more for the DIYer/homeowner.
    Perhaps I used an inappropriate personal experience in an attempt to caution people about whom they ask help from. I would still say/caution people, to do their research prior to asking for any help (applies here on the zone also). The more one knows about a subject, the better prepared they are for asking the right question(s) in the first place.

    Randy,
    I may not be good....
    But I am S L O W!!

  10. #10
    Quote Originally Posted by hoss2006 View Post
    Lots of concrete anchor types, i like the ones you drill a hole and pound
    them in, tighten the bolt and you're solid.
    just ask for help at lowes.
    Hoss
    These are exactly what I was talking about.
    Have many tools anchored to the basement floor with these.
    Shop Cobra Lag Screw Shield at Lowes.com
    Hoss
    http://www.hossmachine.info - Gosh, you've... really got some nice toys here. - Roy Batty -- http://www.g0704.com - http://www.bf20.com - http://www.g0602.com

  11. #11
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    I haven't found detailed specs yet on the manufacturer's web site as for how high the head can be above the floor level to still obtain the rated strength (but I'll keep looking).

    http://www.cobraanchors.com/product_...p?id=138&cat=2

  12. #12
    Quote Originally Posted by doorknob View Post
    I haven't found detailed specs yet on the manufacturer's web site as for how high the head can be above the floor level to still obtain the rated strength (but I'll keep looking).

    Cobra Anchors
    they should actually need tapped in with a hammer for a snug fit
    so they don't spin on you.
    IIRC they are a little bigger than a standard size bit for this purpose.
    Hoss
    http://www.hossmachine.info - Gosh, you've... really got some nice toys here. - Roy Batty -- http://www.g0704.com - http://www.bf20.com - http://www.g0602.com

  13. #13
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    I have actually found in past experiences that the type below is stronger. A lot of people including myself use this type to bolt down the uprights of metal buildings. but the type that Hoss posted is plenty strong enough for machinery.
    Anchoring products, Stud anchors (w/ nuts and washers) at Bolt Depot

  14. #14
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    Quote Originally Posted by chipslinger69 View Post
    I have actually found in past experiences that the type below is stronger. A lot of people including myself use this type to bolt down the uprights of metal buildings. but the type that Hoss posted is plenty strong enough for machinery.
    Anchoring products, Stud anchors (w/ nuts and washers) at Bolt Depot

    Thats what I used, got them at Lowes, they are stronger than lug type I am told

  15. #15
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    Quote Originally Posted by The_Tuner View Post
    Thats what I used, got them at Lowes, they are stronger than lug type I am told
    You were told right.

  16. #16
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    Quote Originally Posted by chipslinger69 View Post
    By the way. What exactly do you mean when you said you just received your mill. Within the last few days or a few weeks ago?
    Quote Originally Posted by chipslinger69 View Post
    I have actually found in past experiences that the type below is stronger. A lot of people including myself use this type to bolt down the uprights of metal buildings. but the type that Hoss posted is plenty strong enough for machinery.
    Anchoring products, Stud anchors (w/ nuts and washers) at Bolt Depot
    Chipslinger - I received the mill on Friday Jan 28 (could have had it Tuesday 25th but had work stuff to take care of).

    Yes, I was going to use wedge anchors to secure the stand. I am pretty sure the wobble is caused by my floor imperfections, since I can move the stand around and get different quantities of wobble.

    For now I just put the machine up there (on stand no anchoring yet), since I'll be using it in manual mode for a couple months. That'll let me test it out and see if I have enough space around it to get to everything and adjust and see if room for bigger chip tray and enclosure and ....

    On a side note - so far I like the machine (Grizzly G0704). It's my first one so nothing to compare it to, but I just cleaned it up, did the break-in cycle, then slapped a setup on there and starting cutting some small steel parts down. Cut like butter. Only a 1.5" long cut, but very consistent. Z seems very accurate too - tell it to cut .049 and it cuts .049. Drawbar seemed a little...awkward, but again first machine and first time ever loading R8 tooling

    Maybe I'll start without the shim to see how it goes....

  17. #17

  18. #18
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    Re: Best way to mount machine stand G0704

    You can use Anchor Bolts. They are the ones used to drill a hole and pound. You can check
    http://www.raziqts.com/category/anchor-bolts/

  19. #19
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    Re: Best way to mount machine stand G0704

    You should Anchor it.
    But if the vibrations are strong, it might affect the floor as well. I suggest you use Shock Absorber with Anchors for better results.
    Here are the best anchors available:
    https://www.albanycountyfasteners.co...chors/1440.htm

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