[modeleng] Re: Levelling problem.... what to do?

Gents,
Cast iron does not warp much unless it happens at the foundry while the 
iron is still hot, ie: it was removed from the sand mold while still 
very hot.
Answer is simple, use wedges to get the base level and then work thin 
cement grout under the edges of the base. Wedges will need to raise the 
base about 1/2" or so and grout should be nothing but sand and Portland 
cement.

Jesse in hot dry, Troy, Tennessee
> Hi there Chris,
>
> You say that the top part if off at the moment...with that (and I assume a
> fair bit of weight) back on, would that be enough to force the base to
> confirm to the flat surface...is that what has happened in the past?
>
> Alternatively how has it been moved, it is possible the base has been bent
> or distorted by the handling process?
>
> All the best,
>
>
> Rich.
>
> On Mon, 30 Jul 2012, Chris Crosskey wrote:
>
>> Hi folks,
>>
>> Having got to the "almost finished" end of the workshed conversion on a 
>> sectional garage I've hit a snag...
>>
>> The milling machine base seems warped, it doesn't sit squarely on the 
>> floor.... or rather it doesn't sit squarely on the small concrete pier I 
>> built for it.... I don't think it's the pier as the top surface (inside a 
>> fence of bricks) is levelling compound and checks with a straight edge and a 
>> level could show no discernible deviation from flat and true....
>>
>> I'm not in a position to bolt it down, there isn't enough depth to the pier 
>> before I hit the waterproof layer to get anything with serious pull, I do 
>> have some anchors that will stop it travelling though... should I pack the 
>> wobbly corner and live with it and hope it doesn't affect the rest of the 
>> machine?... the Knee is off ATM so I'd have to go from the knee shears to 
>> work out what should be flat.
>>
>> The base of the mill is a hollow cast-iron casting integral to the rest of 
>> the column.... I find it hard to believe it's distorted.... but it's the 
>> only answer I've got ... unless I've trapped a big lump under there....
>>
>> Eek...
>>
>> chrisc
>>
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