US4458452A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control for grinding machine
Assignee: Bendix Corp
•
Filing: 1982-05-03
•
Granted: 1984-07-10
•
Expires: 2002-05-03
Abstract
Abstract A control for a grinding machine of the type having a grinding wheel mounted at an oblique angle relative to a workpiece, the control including means for receiving first data representative of a contour to be ground on the workpiece defined in a first set of axes in a workpiece coordinate system, means for transforming the first data into a set of second data defined in a second set of axes relative to the grinding wheel and means for generating output signals to cause the grinding wheel to grind a predefined contour on the workpiece in accordance with the second data.
Inventors
- 👤 George H. McDaniel
- 👤 William R. Hungerford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:30
CPC Classifications
B; B24; B24B; B24B49/00; B24B5/00; B24B5/01
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
135 words
In a numerically grinding machine having holding means adapted to engage and hold a workpiece relative to a first set of orthogonal axes (X 1 , Z 1 ), means for grinding said workpiece including a grinding implement or wheel mounted relative a second set of axes (X 2 , Z 2 ), means for moving the workpiece or said grinding implement relative to one another; means for receiving first data representative of a contour to be ground into the workpiece defined in said first set of axes; means for transforming said first data into a set of second data defined in said second set of axes; and means for generating output signals to said moving means to cause said grinding implement to grind said contour on said workpiece in accordance with said second data.
Claim 2
Dependent Claim
135 words
In a numerically grinding machine having holding means adapted to engage and hold a workpiece relative to a first set of orthogonal axes (X 1 , Z 1 ), means for grinding said workpiece including a grinding implement or wheel mounted relative a second set of axes (X 2 , Z 2 ), means for moving the workpiece or said grinding implement relative to one another; means for receiving first data representative of a contour to be ground into the workpiece defined in said first set of axes; means for transforming said first data into a set of second data defined in said second set of axes; and means for generating output signals to said moving means to cause said grinding implement to grind said contour on said workpiece in accordance with said second data.
Claim 3
Dependent Claim
86 words
The system as defined in claim 1 wherein said second set of axes is rotated relative to said first set of axes by a determinable angle (φ) and wherein said transforming means generates said second set of data in accordance with the following relationship: ##EQU2## wherein x 1 , y 1 , are data in said first set of axes X 1 , Z 1 and wherein x 2 , z 2 are data in said second set of axes X 2 , Z 2 .
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-07-10 | 1988-01-09 | 1988-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-07-10 | 1992-01-09 | 1992-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-07-10 | 1996-01-09 | 1996-07-10 | $7700.00 | Window Closed / Lapsed |