FIELD: metallurgy.
SUBSTANCE: invention relates to foundry. Mould core consists of two halves, connected to each other without the clearance. Surface of bars connector separates cooling jacket for equal parts by height from bottom plate of cylinders head up to its top wall.
EFFECT: due to optimum shape of cooling jacket it is provided effective cooling of cylinders head, reduction of steel intensity of head and cost of price of cast manufacturing.
3 cl, 10 dwg
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