FIELD: mechanical engineering. SUBSTANCE: built-up crankshaft has cheeks 4 and 5 on both sides which are integral with respective adjoining part of shaft 1,2. These parts are made in form of hollow journals. Parts 8,9,12,7,10,11 form together journal of shaft 1,2,3 of cheeks 4,5 of crankshaft and are provided at least partially with shoulders over diameter and inserted in each other. Part 9,7,11 have higher yield point in elongation as compared with inner part 8,12,10 and joint with force closure is provided between both parts. EFFECT: enhanced reliability. 17 cl, 1 dwg
