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US3817149A
Expired / Lapsed
US
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Compensation of unbalance in rotary bodies
Assignee: REUTLINGER AND SOHNE
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Filing: 1973-06-08
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Granted: 1974-06-18
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Expires: 1993-06-08
Abstract
Abstract Unbalance of a rotary body is compensated by removing excess mass by means of an internal milling cutter cutting an eccentrically located groove that merges gradually into the undisturbed periphery of the body. The cutter is mounted on a slide in a frame so that feed advance of the cutter can take place along any predetermined radial direction with reference to the body axis. By turning the slide the groove can be lengthened, by shifting the tool axially the groove can be widened. Alternatively, the cutter can be mounted on a cross-slide system to be ameanable to component control of the feed advance, if the unbalance has been determined in components of ,e.g., an orthogonal coordinate system. Plural milling cutters can work on the same body simultaneously.
Inventors
- 👤 W Reutlinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:43
CPC Classifications
G; G01; G01M; G01M1/00; G01M1/30; G01M1/34; Y; Y10; Y10S; Y10S29/00; Y10S29/901; Y10S82/00; Y10S82/903; Y10T; Y10T409/00; Y10T409/30; Y10T409/303752; Y10T409/303808; Y10T409/303864; Y10T409/306664; Y10T409/307224; Y10T409/307336; Y10T409/30756; Y10T409/307784; Y10T82/00; Y10T82/25; Y10T82/2527
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
135 words
A tool for providing compensation of unbalance of a rotary body by selectively cutting material off the body in selected locations in accordance with a previously determined measurement of unbalance, comprising; first means foR holding the body in a fixed position; an internal groove cutter with at least one radially inwardly directed cutting tooth operating on a machining circle of a diameter not smaller than the diameter of the body; second means for mounting the groove cutter in particular axis parallel relative to the axis of the body, and including third means for azimuthally as well as radially adjusting the operational axis of the cutter relative to the axis of the body and in axis parallel relationship thereto, prior to cutting; and means for advancing the cutter radially towards the body for cutting a groove.
Claim 2
Dependent Claim
135 words
A tool for providing compensation of unbalance of a rotary body by selectively cutting material off the body in selected locations in accordance with a previously determined measurement of unbalance, comprising; first means foR holding the body in a fixed position; an internal groove cutter with at least one radially inwardly directed cutting tooth operating on a machining circle of a diameter not smaller than the diameter of the body; second means for mounting the groove cutter in particular axis parallel relative to the axis of the body, and including third means for azimuthally as well as radially adjusting the operational axis of the cutter relative to the axis of the body and in axis parallel relationship thereto, prior to cutting; and means for advancing the cutter radially towards the body for cutting a groove.
Claim 3
Dependent Claim
36 words
Tool as in claim 1, the second means including a stand; a frame journalled on the stand coaxially to the body; a slide carriage on the frame, the groove cutter being mounted on the slide carriage.
Claim 4
Dependent Claim
32 words
Tool as in claim 2, the groove cutter being a milling cutter with plural radially inwardly directed teeth defining a machining circle of a diameter larger than the diameter of the body.
Claim 5
Dependent Claim
26 words
Tool as in claim 2, the stand being displaceably mounted on a base, for axially adjusting the stand with frame and cutter relative to the body.
Claim 6
Dependent Claim
21 words
Tool as in claim 1, the second means including further means for axially adjusting the cutter in relation to the body.
Claim 7
Dependent Claim
34 words
Tool as in claim 1, the third means including a motor for adjusting the distance of the axes from each other, and control means for operating the motor nonlinearly in dependence upon measured unbalance.
Claim 8
Dependent Claim
69 words
Tool as in claim 1, the second means including a stand, a first carriage slidably mounted in the stand for sliding in a first direction transverse to the axis of the body, a second carriage slidably mounted in the first carriage for sliding transverse to both, the axis of the body and the direction of sliding of the first carriage; the groove cutter being mounted on the second carriage.
Claim 9
Dependent Claim
119 words
Method for compensation unbalance in a rotary body, by selectively cutting the body in selected locations in accordance with a previously determined measurement on unbalance, comprising: using a groove cutter with cutting teeth defining a machining circle of diameter not smaller than the diameter of the body; positioning the body in the cutter in eccentric axis parallel relation thereto including azimuthally adjusting the axis of the cutter and the axis of the body relative to each other; and advancing the groove cutter on a radius relative to the axis of the body so that the cutter cuts a groove into the periphery of the body along an eccentric circle at a maximum depth in accordance with the unbalance measurement.
Claim 10
Dependent Claim
119 words
Method for compensation unbalance in a rotary body, by selectively cutting the body in selected locations in accordance with a previously determined measurement on unbalance, comprising: using a groove cutter with cutting teeth defining a machining circle of diameter not smaller than the diameter of the body; positioning the body in the cutter in eccentric axis parallel relation thereto including azimuthally adjusting the axis of the cutter and the axis of the body relative to each other; and advancing the groove cutter on a radius relative to the axis of the body so that the cutter cuts a groove into the periphery of the body along an eccentric circle at a maximum depth in accordance with the unbalance measurement.
Claim 11
Dependent Claim
25 words
Method as in claim 8, the positioning including adjusting the milling cutter axially with respect to the axis of the body during the cutting operation.
Claim 12
Dependent Claim
28 words
Method as in claim 8, the positioning including adjusting the cutter azimuthally as to its axis with respect to the axis of the body during the cutting operation.
Claim 13
Dependent Claim
30 words
Method as in claim 8, the azimuthal adjusting of the cutter including adjusting the cutter radially along two different, transversely oriented radii with respect to the axis of the body.
Claim 14
Dependent Claim
26 words
Method as in claim 8, wherein the cutting operation is carried out simultaneously in several different planes, using separate cutters for the operation in each plane.
Claim 15
Dependent Claim
13 words
Method as in claim 12 for unbalance compensation of multi cylinder crank shafts.
Claim 16
Dependent Claim
37 words
Method as in claim 13, the cutting operations as carried out respectively in each of the planes involving individual radial directions corresponding to the respective compensation members of the crank shaft and in the respective compensation planes.
References Cited (Backward Citations)
US1424755A
Cited
US2893292A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-17 | 1977-12-17 | 1978-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-17 | 1981-12-17 | 1982-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-17 | 1985-12-17 | 1986-06-18 | $7700.00 | Window Closed / Lapsed |