Alignment of shaft flanges

Details Alignment of shaft flanges Alignment of shaft flanges

1991-09-11

1992-12-15

Eley, Timothy V.

Metal working

Method of mechanical manufacture

Assembling or joining

295251, 29252, 411 55, 411 63, 411389, F16D 900, B21D 3900

Patent

active

051705516

ABSTRACT:
When aligning heavy shafts, their flanges (4, 5) are first roughly aligned, after which an expander bolt (10) is inserted through the roughly aligned flange holes (16). The expander bolts have a conical core (6) and internally conical sleeves (1, 2) arranged axially separated from each other thereon. First the sleeves (1, 2) are inserted into the relevant flange (4, 5) to the plane (50) between the shaft flanges. Then the bolt core (6) is inserted through the sleeves (1, 2), the front end of the conical section (64) passing the plane (20) between the sleeves (1, 2). In order to keep the nearest sleeve (1) at the plane (50) when the bolt core (6) is being drawn, a spacer (8) is used which is placed on the drawn end of the bolt shaft (6) and has a head (86) located between a drawing device (7) fitted on the bolt shaft (6) and the exposed end surface (41) of the adjacent shaft flange.

REFERENCES:
patent: 3099470 (1963-07-01), Zumbusch
patent: 3173522 (1965-03-01), Zimmer et al.
patent: 4192621 (1980-03-01), Barth
patent: 4496259 (1985-01-01), Foucher
patent: 4607971 (1986-08-01), Hartmann et al.
patent: 4743138 (1988-05-01), Goy

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