| 摘要 |
PURPOSE: A cylinder block reinforcing structure is provided to reinforce self-rigidity of an aluminum cylinder block and bonding strength with a cylinder head. CONSTITUTION: In a cylinder block reinforcing structure formed by interposing a skeleton member(3) forming a frame of a cylinder block(1) and casting in one when casting a cylinder block(1), the skeleton frame(3) is formed by connecting both sides(P1) of a cylinder(5), corresponding to the working direction of power against explosive pressure in a cylinder(5) and axial force of a cylinder head bolt and a main bearing cap bolt, with the outer circumference of a journal(7) where the main bearing cap is installed to prevent the transformation of the cylinder block(1) by heightening the self-rigidity of the cylinder block(1), and nut holes(9) are formed on the front of the frame forming both sides(P1) of the cylinder(5) of the skeleton member(3).
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