Portuguese translation: aquecer para melhorar o vácuo
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English to Portuguese translations [PRO] Tech/Engineering - Mechanics / Mech Engineering / Vacuum coating systme
English term or phrase:to bake out
The only reference I have is this:
>>Equipment cannot maintain the setpoint because of arcs, short-circuit or severe ancillary plasmas:
o Align floating carousel panel so that clearances are the
o Clean holder sleeves with Scotchbrite
o Clean carousel and holders
o Bake out chamber
Explanation: CO-83-R-19 VIEW OF THE BAKE-OUT FURNACE, WHERE PARTS WERE HEATED UNDER A VACUUM TO HEAT TREAT OR TO BAKE OUT ANY IMPURITIES. (9/19/72)
If the cracks can be removed without chasing after porosity, and the bronze can be welded or brazed, you need to bake out the oil especially if the casting is porous and contains shrinkage defects that are open to the surface. I would estimate that the bake out temperature for the impeller will be around 800 deg F for about 1 hour to assure removal of residual oil.