The present invention relates to a method for manufacturing a monobloc blisk, comprising: - an abrasive water jet cutting step of a block of material (100), made so as to reveal preforms of vanes extending radially from a disk while retaining bonding material (112) between at least two directly consecutive blade preforms; then- a step of milling the blade preforms made so as to obtain blade blanks (202) set in profile; then a milling finishing step of the blade blanks (202), so as to obtain the vanes (2) to the final profile; then- a step of removing said connecting means (112).
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