GrabCAD 模型信息
Piston rod in Diesel engane · 模型 74837
The piston rod in a diesel engine is a crucial mechanical component that connects the piston to the crosshead (in large engines) or directly to the connecting rod (in smaller engines). It plays a critical role in transmitting the reciprocating motion of the piston, caused by combustion, into rotational motion that eventually turns the crankshaft. 🔧 Function of the Piston Rod: Transfers Force: Transfers the force generated during combustion from the piston to the crankshaft via the connecting rod. Maintains Alignment: Ensures accurate motion along the cylinder axis. Withstands Stress: Handles high mechanical and thermal loads. 🔍 Where It's Used: In large two-stroke marine diesel engines: Piston rods are common and typically connect the piston to a crosshead bearing, separating combustion forces from side thrusts. In smaller high-speed diesel engines (like in cars or trucks): There may not be a separate piston rod; the piston connects directly to the connecting rod. ⚙️ Materials and Design: Made of high-strength alloy steel or forged steel to withstand high pressures and temperatures. Surface-hardened or chrome-plated to resist wear. Precision-machined for tight tolerances. 📉 Common Issues: Fatigue failure due to repeated stress cycles. Corrosion in poor lubrication or coolant leakage conditions. Wear on rod or piston pin ends due to friction.
- 格式
- SOLIDWORKS、Rendering
- 分类
- Automotive、Energy and Power、Industrial design
- 标签
- piston_rod connecting_rod diesel_engane
- 数据更新
- 2026-09-10T12:00:02Z