Method of assembling a rotor of a steam turbine consttuted by di

Details Method of assembling a rotor of a steam turbine consttuted by di Method of assembling a rotor of a steam turbine consttuted by di

1988-05-16

1989-08-29

Goldberg, Howard N.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29418, B21K 300

Patent

active

048604186

ABSTRACT:
A method of assembling a rotor of a steam turbine constituted by disks (2) shrunk onto a shaft, the disks (2) being provided with cavities (4) facing one another and having female pegs (5) disposed in the cavities in one disk (2) and male pegs (6) disposed in the facing cavities (4) of an adjacent disk (2) with each of the disks (2) being shrunk on while disposing the male pegs (6) of the disks into the female pegs (5) of the already shrunk-on adjacent disk, the method being characterized in that spacers (12) are provided in the female pegs (5) prior to inserting the male pegs (6) in the female pegs (5) so that the male pegs (6) do not come into contact with the female pegs (5), with the spacers (12) subsequently being removed.

REFERENCES:
patent: 2179556 (1939-11-01), Lysholm
patent: 2639119 (1953-05-01), Greenwald
patent: 2800706 (1957-07-01), Lindblom
patent: 3745628 (1973-07-01), Stahl
patent: 4494287 (1985-01-01), Cruzen et al.
patent: 4632634 (1986-12-01), Vinciguerra et al.

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