How to ensure the dimensions of the flameproof surface in the explosion-proof box after welding
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For explosion-proof boxes of welded structures, the explosion-proof enclosure walls that include rotating shaft explosion-proof structures, control lever explosion-proof structures, etc., and those that work in conjunction with shaft sleeves – how can it be ensured that the fitting dimensions with these shaft sleeves are maintained after welding? This is especially true regarding the partition between the electrical chamber and the wiring chamber; it is very difficult to make further adjustments after welding. What methods can be used to ensure the correct fitting dimensions in such cases?
Low current, TIG welding, to ensure no deformation
This location requires a tight fit between the separator sleeve and the flameproof enclosure*; welding deformation leads to assembly problems. If reamed with a reamer after welding, proper installation can be ensured, but it is difficult to machine the through-terminal holes in the partition.