Progress for Week 12 of Building the Roaster

2012 July 19
by Joe Johnston
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This week was spent assembling and welding the steel tube frame for the bowl and bowl carrier. The 3″ square tube sections were precisely aligned and welded into place. After this, the welds were ground flush in certain areas where parts will mate.

In addition, steel sleeves were welded into the tube at points where the pressure might warp the tube. This sleeve will carry the one of the linear bearing shafts that guide the bowl carrier.

The only parts remaining that will be welded into place are eight pulley shafts. The pulleys are used to guide cables from the bowl carrier to the counterweights to make lifting the bowl easier.

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