| 摘要 |
A crankshaft for preventing feed is provided to prevent balancing of the crankshaft from being affected, and to prevent products reliability from be degraded due to forging feed by forming a protrusion portion for preventing feed in the web portion of the crankshaft. A crankshaft(100) for preventing feed having a parting line(S11), the farthest portion from the parting line and a web portion of balance weight comprises a protrusion portion(10) for preventing feed. The protrusion portion for preventing feed is formed in the web portion so that feed phenomenon is prevented when forging the balance weight of the crankshaft. |
