Transcription of 3. Forging (I)
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3. Forging (I)
3. Forging (I). Bong-Kee Lee School of Mechanical Systems Engineering Chonnam National University Overview ( Forging ).. ( ) . , .. School of Mechanical Systems Engineering Forging ( Forging ).. : , , , , .. (a) Schematic illustration of the steps involved in Forging a knife. (b) Landing-gear components for the C5A. and C5B transport aircraft, made by Forging . (c) General view of a 445 MN (50,000 ton) hydraulic press. School of Mechanical Systems Engineering Forging ( Forging ).. , .. (a) Casting, (b) machining from a blank, and (c) Forging School of Mechanical Systems Engineering Forging ( Forging ).. ( ), ( . ).. (net-shape forming) (near-net shape forming) (precision Forging ) .. School of Mechanical Systems Engineering Forging (open-die Forging ).. Process Advantages Limitations Limited to simple shapes; difficult to hold Simple and inexpensive dies; wide range of close tolerances; machining to final shape Open die part sizes; good strength characteristics; necessary; low production rate; relatively poor generally for small quantities utilization of material; high degree of skill required Relatively good utilization of material.
Bong-Kee Lee School of Mechanical Systems Engineering Chonnam National University 소성가공 3. Forging (I) 소성가공 School of Mechanical Systems Engineering Overview 단조(forging)
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