What is the function of a cylinder head?

1 Answers
Ibarra
07/24/25 4:08am
The function of a cylinder head is to seal the cylinder, forming an enclosed space that allows the piston to properly compress fuel and air mixture to generate power. The cylinder head has a complex structure, generally including intake valve seat holes, exhaust valve seat holes, valve guide holes, spark plug mounting holes, intake passages, exhaust passages, camshaft bearing holes, etc. Cylinder heads are typically made of gray cast iron, alloy cast iron, or aluminum alloy, and are complex box-shaped components. Depending on the structural type, cylinder heads can be classified as integral, block, or individual types. Requirements for cylinder heads: 1. Sufficient stiffness and strength to resist deformation and ensure sealing effectiveness; 2. Reasonable arrangement to guarantee normal engine operation; 3. Manufacturing processes must meet standards to prevent friction with other components.
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