US4381608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for interpolating between cartesian and rotary coordinates in machines
Assignee: Siemens AG
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Filing: 1981-08-05
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Granted: 1983-05-03
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Expires: 2001-08-05
Abstract
Abstract A method for interpolating between a Cartesian coordinate axis and an axis of rotation of a numerically controlled machine. The axis of rotation of the numerically control machine is treated, from a control standpoint, as a linear Cartesian axis. Computing circuitry is provided for transforming and retransforming the coordinate data. In this manner, the entering of data into a machine control system is simplified.
Inventors
- 👤 Harald Thormann
- 👤 Horst Gose
- 👤 Arnold Weser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:59
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/41; G05B2219/00; G05B2219/30; G05B2219/33; G05B2219/33263
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
131 words
A method for interpolating between Cartesian coordinate axes and an axis of rotation, and for controlling the axis of rotation of a numerically controlled machine, the numerically controlled machine being of the type having a control system for interpolating in Cartesian coordinates, the method comprising the steps of: entering distances to be travelled along the axis of rotation at a predetermined radius into the control system, the axis of rotation being considered as a Cartesian coordinate axis; entering into the control system an actual radius for interpolation and at least one distance to be travelled along a Cartesian coordinate axis; and transforming coordinate data produced by the control system into values corresponding to the predetermined radius of the axis of rotation, so as to permit control of said axis of rotation.
Claim 2
Independent Claim
131 words
A method for interpolating between Cartesian coordinate axes and an axis of rotation, and for controlling the axis of rotation of a numerically controlled machine, the numerically controlled machine being of the type having a control system for interpolating in Cartesian coordinates, the method comprising the steps of: entering distances to be travelled along the axis of rotation at a predetermined radius into the control system, the axis of rotation being considered as a Cartesian coordinate axis; entering into the control system an actual radius for interpolation and at least one distance to be travelled along a Cartesian coordinate axis; and transforming coordinate data produced by the control system into values corresponding to the predetermined radius of the axis of rotation, so as to permit control of said axis of rotation.
Claim 3
Dependent Claim
25 words
The method of claim 1 wherein there is provided the further step of entering positioning data related to the predetermined radius into the control system.
References Cited (Backward Citations)
US3696397A
Cited
US4211512A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-05-02 | 1986-11-01 | 1987-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-05-02 | 1990-11-01 | 1991-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-05-02 | 1994-11-01 | 1995-05-03 | $7700.00 | Window Closed / Lapsed |