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Author Topic: Table Slope?  (Read 4056 times)

Butch Elrod

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Table Slope?
« on: May 01, 2013, 08:02:59 PM »
When carving a lot of text into 38" long boards, the text has been consistently shallow on one end of the table.  I checked the table for flatness then measured all corners with a dial caliper mounted on the router frame.

My table is about 0.050" out from being parallel with the X axis rails.

It looks to me like I can just unbolt the low end and shim the table up.  Would that be correct?
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Butch Elrod

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Re: Table Slope?
« Reply #1 on: May 13, 2013, 07:09:16 AM »
Update.
I used pieces of steel banding material to shim my table end up.  It's now within 0.010" of being parallel to the router travel :) 
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Burl

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Re: Table Slope?
« Reply #2 on: May 15, 2013, 06:11:55 PM »
Butch
That is correct. I'm checking and shim the machines now. I was checking side-to-side but found that end-to-end needs to be checked.
If the side-to-side is off than you can put shims between the Aluminum upright and the black steel mounting plate on the bottom.
Burl

Tom S

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Re: Table Slope?
« Reply #3 on: September 28, 2013, 07:22:52 AM »
I have found the same problem and shimmed as needed but I also found that the table dips in the center. gonna take it off and install aluminum angle on the inside on both center rails the whole length so it wont interfere with the mech. under it. I have a piece of granite that is 4ft by 6ft and is flat. so I will put pressure on the center to get rid of the dip and screw on the angle pieces. hope all goes well.

Ronnie C

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Re: Table Slope?
« Reply #4 on: September 30, 2013, 04:45:19 AM »
I found table also dipped a little in middle. I resolved by putting 1/4 x 2 steel bar down each outside. I am now in process of checking end to end and side to side for shims. When finished table should be perfect at any point I measure. :)

Ronnie
« Last Edit: September 30, 2013, 08:05:23 AM by Ronnie C »

Tom S

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Re: Table Slope?
« Reply #5 on: September 30, 2013, 06:06:01 AM »
Ronnie, we think alike. rather than the angle I had some 1/4x2 ground o-1 stock and all went well. tom s.

Ronnie C

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Re: Table Slope?
« Reply #6 on: September 30, 2013, 08:06:41 AM »
I know after putting the bars on sides, it eliminated any flex or dip at least down sides.

Ronnie

Tom S

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Re: Table Slope?
« Reply #7 on: September 30, 2013, 01:14:01 PM »
don't no where you are located but down here in southern tenn. the humidity is bad in the summer and the bed being what it is gets affected from this. had to put an ac unit in and it sure is nice.

Burl

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Re: Table Slope?
« Reply #8 on: October 01, 2013, 03:45:27 AM »
I have just started testing with using steel tube under the table. They are 2"x1"x 16ga steel tubing. The two side or edges get the tube on edge while the middle has it flat. I'll let everyone know how these work out.

Burl

Ronnie C

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Re: Table Slope?
« Reply #9 on: October 11, 2013, 06:35:19 AM »
Hey Tom, did you get the angle added to the table? I started checking my table and had to shim up some boards I was putting letters on to keep everythink level. I am thinking about doing the angle down the middle runners to correct end to end sag in the middle. Now to check front to back sag is a different story. :)

Ronnie

Tom S

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Re: Table Slope?
« Reply #10 on: October 11, 2013, 11:12:02 AM »
Ronnie, the dip is gone in both directions. ran an indicator on the table and is within .003.  tom

Ronnie C

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Re: Table Slope?
« Reply #11 on: October 11, 2013, 12:28:04 PM »
How did you mount the angle? It appears that 1x1 angle will be about the size I need to add.

Thanks

Ronnie

Tom S

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Re: Table Slope?
« Reply #12 on: October 12, 2013, 04:41:19 AM »
Ronnie, I had some 1 1/4 and it was fine. just pre. drill and bolt it on. take the table off and put it on something flat,upside down and stand on the rails tho. sounds weird but it worked.

Ronnie C

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Re: Table Slope?
« Reply #13 on: October 13, 2013, 06:35:19 PM »
Hey burl, I see on the website you have modified the table with a tube. Any pics available? O a table upgrade option for us?

Thanks

Ronnie

Burl

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Re: Table Slope?
« Reply #14 on: October 17, 2013, 05:54:42 AM »
Here are picture of the tubes and table.
E-mail if you are interested in upgrading.

I also routed out the bolt location.

Burl