D1005 KUBOTA Diesel Engine Cylinder Head 1G042-03043 1G042-03040 1G042-03042

The cylinder head is used to seal the gas, form a combustion space with the piston, and bear the role of high-temperature and high-pressure gas. The operation of the cylinder head is:

(1) The cylinder head is subject to high temperature and high pressure gas, and bears great bolt pre tightening force, resulting in high mechanical stress.

(2) The structure of the cylinder head is complex, and the temperature field is seriously uneven, which leads to large thermal stress, and even cracks and overall deformation of the cylinder head

Therefore, the design requirements of the cylinder head are

(1) It has sufficient rigidity and strength, small working deformation and ensures sealing.

(2) Reasonably arrange the combustion chamber, valve and air passage to ensure the working performance of the engine.

(3) Good processability, uniform temperature field as far as possible, reduce thermal stress and avoid hot cracking.