SED-300YY-J — Fully Automatic Hydraulic Powder Forming Press
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SED-300YY-J is a 300-ton fully automatic powder forming hydraulic press. It features 1-300 t adjustable working pressure (1 t resolution), 200 mm main cylinder stroke, standard 150 mm filling height with hard limit, 250
Funcionamiento
Cycle: feed-box advances and vibrates to deliver powder into the die cavity, then retracts; the upper punch fast-descends, slow-enters the cavity, pre-compacts, then applies adjustable pressing pressure (up to 300 t at 20-22 MPa hydraulic pressure); for bidirectional pressing the lower-cylinder punch simultaneously pushes upward against the powder; the upper main cylinder progressively unloads while the lower cylinder lifts further to hold pressure (optional dwell); pressure is then released (controlled stage-wise depressurization), the upper punch returns, and the formed compact is ejected through the female die before the next automatic cycle.