Aiming at the problem of exhausting air from the top of the crossbeam of a closed type press,an exhaust box structure is designed.By setting the exhaust box structure at the exhaust window of the press beam,it can realize the smooth suction and exhaust of the internal cavity of the beam and effectively pre-vent the lubricating oil from splashing and contamination at the same time.The article introduces the com-position and working principle of the structure,which can provide reference for the relevant design.
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