US2595777A - Device for facilitating the balancing and testing the balance of grinding wheels - Google Patents
Device for facilitating the balancing and testing the balance of grinding wheels Download PDFInfo
- Publication number
- US2595777A US2595777A US69304A US6930449A US2595777A US 2595777 A US2595777 A US 2595777A US 69304 A US69304 A US 69304A US 6930449 A US6930449 A US 6930449A US 2595777 A US2595777 A US 2595777A
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- United States
- Prior art keywords
- shaft
- wheel
- grinding
- roller
- stud
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- Expired - Lifetime
Links
- 238000012360 testing method Methods 0.000 title description 8
- 238000010276 construction Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/30—Compensating imbalance
- G01M1/36—Compensating imbalance by adjusting position of masses built-in the body to be tested
Definitions
- the present invention relates to new and useful improvements in grinding wheel supports designed for use in testing the balance of heavy grinding wheels on large industrial grinders.
- Figure 1 is a fragmentary side elevational View of a grinding machine showing the grinding wheel in working position thereon and with the balancing attachment shown attached to the shaft of the machine.
- Figure 2 is a similar view with parts broken away and shown in section and showing the grinding wheel moved outwardly onto the balancing attachment.
- Figure 3 is a view in elevation of the grinding wheel looking toward the outer end of the balancing attachment.
- Figure is an-enlarged fragmentary sectional view taken substantially on a line 4-4 of Figure 3.
- the numeral 5 designates a stud shaft which is internally threaded at its inner end for attaching to the threaded stem 6 at the end of the shaft 7 of a grinding machine 8.
- a tubular roller or sleeve I4 is rotatably' supported on inner and outer bearing assemblies I2 and Illa at the reduced end portion 9 of shaft 5 by means of an inner retaining ring I3 threaded on reduced end 9 and an outer retaining ring I3a threaded internally in the outer end of roller or sleeve I4.
- the grinding wheel 22 is then released from shaft I and moved outwardly onto the reduced inner end of collar I6 to abut shoulder I8 thereof and the collar I6 and wheel 22 moved outwardly along roller I4 sufficiently to enable the sections of insert or sleeve 29 to be inserted in the hub of the wheel between collar I 6 and shoulder I9.
- Nut I! is backed outwardly on roller I4 for this purpose.
- the nut I1 is then tightened to wedge the hub of wheel 22 on the tapered insert or sleeve 20 and the wheel is thus firmly held on the reduced end 9 of stud or shaft extension 5.
- a wheel balance tester comprising a stud shaft on the end of the first named shaft, a hollow roller journaled on the stud shaft concentrically therewith, a stepped collar slidable on the roller and supporting a grinding wheel on one of its steps for moving the wheel from its position on the first named shaft onto the roller, and means for locking the collar and wheel on the roller, and including a tapered sectional sleeve removably carried by the roller and wedged in the hub of the Wheel.
- a wheel balance tester comprising a stud shaft on the end of the first named shaft, a hollow roller journaled on the stud shaft concentrically therewith, a stepped collar slidable on the roller and supporting a grinding wheel on one of its steps for moving the wheel from its position on the first named shaft onto the roller, and means for locking the collar and wheel on the roller, and including a tapered sectional sleeve removably carried by the roller and wedged in the hub of the wheel, and held against a part of the roller by the collar.
- a grinding wheel balance testing attachment for grinding machines comprising a shaft extension, means connecting the shaft extension to the spindle of the grinding machine, a roller journalled on the shaft extension concentrically therewith, a collar slidably carried by the roller and supporting a grinding wheel for transferring the wheel from the spindle onto the roller, and means carried by the roller locking the wheel thereon.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Description
May 6, 1952 J. F. DRIVER 2,595,777 DEVICE FOR FACILITATING BALANCING AND TESTING THE BALANCE OF NDING WHEELS 2 SHEETS-SHEET 1 Filed Jan. 5. 1949 John F. Driver IN VENTOR.
J. F. DRIVER CIL May 6, 1952 DEVICE FOR FA ITATING THE BALANCING AND TESTING THE BALANCE OF GRINDING WHEELS 2 SHEETS-SHEET 2 Filed Jan. 5, 1949 r e .v n D F n M J IN VENTUR- BY Mm and Patented May 6, 1952 UNITED STATES PATENT OFFICE DEVICE FOR FACIL ITATING THE BAL ANCING AND TESTING THE BALANCE OF GRINDING WHEELS 13 Claims.
The present invention relates to new and useful improvements in grinding wheel supports designed for use in testing the balance of heavy grinding wheels on large industrial grinders.
An important object of the invention is to provide a grinding wheel support by means of which a grinding wheel may be properly balanced without removing the wheel from the grinding madevice of this character which can be attached to or removed from the grinding machine without necessitating any changes or alterations in the construction thereof to easily and quickly balance the grinding wheel and eliminating the necessity of the use of hoisting or other equipment for the purpose of completely removing and transporting the heavy wheel to a separate balancing machine and thereby eliminating the need of a separate balancing machine for balancing the wheel.
A still further object is to provide a device of this character of simple construction, which is efficient and reliable in operation relatively inexpensive to manufacture and otherwise well adapted for the purposes for which the same is intended.
Other objects and advantages reside in the details of construction and operation as more fully hereinafter described and claimed, reference being had to the accompanying drawings forming part hereof, wherein like numerals refer to like parts throughout, and in which:
Figure 1 is a fragmentary side elevational View of a grinding machine showing the grinding wheel in working position thereon and with the balancing attachment shown attached to the shaft of the machine.
Figure 2 is a similar view with parts broken away and shown in section and showing the grinding wheel moved outwardly onto the balancing attachment.
Figure 3 is a view in elevation of the grinding wheel looking toward the outer end of the balancing attachment.
Figure is an-enlarged fragmentary sectional view taken substantially on a line 4-4 of Figure 3.
Figure 5 is a transverse sectional View of the balancing attachment taken on a line 55 of Figure 4 and Figure 6 is a perspective view of one of the sectional inserts or sleeves carried by the balancing attachment for the grinding wheel.
Referring now to the drawings in detail wherein for the purpose of illustration I have disclosed a preferred embodiment of the invention, the numeral 5 designates a stud shaft which is internally threaded at its inner end for attaching to the threaded stem 6 at the end of the shaft 7 of a grinding machine 8.
The shaft 5 is formed with a reduced outer end 9 terminating in a hexagonal wrench engaging head or extremity I9 and threaded inwardly thereof as shown at I I.
A tubular roller or sleeve I4 is rotatably' supported on inner and outer bearing assemblies I2 and Illa at the reduced end portion 9 of shaft 5 by means of an inner retaining ring I3 threaded on reduced end 9 and an outer retaining ring I3a threaded internally in the outer end of roller or sleeve I4.
A collar I6 is slidably held on the outer portion of roller I4 by a nut II threaded on the outer end of the roller, the collar having a reduced inner end forming a step or shoulder I8.
The inner end of roller I4 is also formed with a shoulder I9 and a sectional insert or sleeve 20 is held on the roller I4 between the collar I5 and shoulder I9, the sections of the insert or sleeve 29 having tapered outer surfaces as shown at 2!.
In the operation of the device, with the shaft extension 5 secured to the shaft 1 as shown in Figure 4 of the drawings, the sectional insert or sleeve 20 is removed and the collar I6 moved inwardly along the roller I4 against shoulder I9.
The grinding wheel 22 is then released from shaft I and moved outwardly onto the reduced inner end of collar I6 to abut shoulder I8 thereof and the collar I6 and wheel 22 moved outwardly along roller I4 sufficiently to enable the sections of insert or sleeve 29 to be inserted in the hub of the wheel between collar I 6 and shoulder I9. Nut I! is backed outwardly on roller I4 for this purpose. The nut I1 is then tightened to wedge the hub of wheel 22 on the tapered insert or sleeve 20 and the wheel is thus firmly held on the reduced end 9 of stud or shaft extension 5.
The wheel may then be freely turned on reduced end 9 of shaft extension 5 to properly test the balance of the wheel and without removing 68 the wheel fromthe grinding machine.
In view of the foregoing description taken in conjunction with the accompanying drawings it is believed that a clear understanding of the device will be quite apparent to those skilled in this art. A more detailed description is accordingly deemed unnecessary.
Having described the invention, what is claimed as new is:
1. The combination with a grinding machine shaft, of a stud shaft removably carried at the end of the first named shaft and onto which a grinding wheel is axially movable from its position on the first named shaft, said stud shaft including relatively stationary and revoluble parts on the latter of which the grinding wheel is rotatably supported.
2. The combination with a grinding machine shaft, of a stud shaft removably carried at the end of the first named shaft and onto which a grinding wheel is axially movable from its position on the first named shaft, said stud shaft including relatively stationary and revoluble parts on the latter of which the grinding wheel is rotatably supported and means carried by the stud shaft for locking the wheel on said revoluble part.
3. The combination with a grinding machine shaft, of a stud shaft on the end of said first named shaft, a carrier slidable on the stud shaft supporting a grinding wheel for sliding the wheel from its position on the first named shaft onto the stud shaft for free rotation thereon, and means locking the wheel on the stud shaft.
4. The combination with a grinding machine shaft, of a wheel balance tester comprising a stud shaft on the end of the first named shaft, a collar slidable on the stud shaft and supporting a grinding wheel for moving the wheel from its position on the first named shaft onto the stud shaft for free rotation thereon, and means locking the wheel on the stud shaft.
5. The combination with a grinding machine shaft, of a wheel balance tester comprising a stud shaft on the end of the first named shaft, a stepped collar slidable on the stud shaft and supporting a grinding wheel on one of its steps for moving the wheel from its position on the first named shaft onto the stud shaft for free rotation thereon, and means carried by the stud shaft locking the wheel thereon against the collar.
6. The combination with a grinding machine shaft, of a wheel balance tester comprising a stud shaft on the end of the first named shaft, a stepped collar slidable on the stud shaft and supporting a grinding wheel on one of its steps for moving the wheel from its position on the first named shaft onto the stud shaft for free rotation thereon, and means carried by the stud shaft locking the wheel thereon against the collar, said means comprising a sectional tapered sleeve removably positioned in the hub of the wheel and removably secured on the stud shaft.
7. The combination with a grinding machine shaft, of a wheel balance tester comprising a stud shaft on the end of the first named shaft, a stepped collar slidable on the stud shaft and supporting a grinding wheel on one of its steps for moving the wheel from its position on the first named shaft onto the stud shaft for free rotation thereon, and means carried by the stud shaft locking the wheel thereon against the collar, said means comprising a sectional tapered sleeve removably positioned in the hub of the wheel and locked on the stud shaft by said collar.
8. The combination with a grinding machine shaft, of a wheel balance tester comprising astud shaft on the end of the first named shaft, a hollow roller journaled on the stud shaft concentrically therewith, a stepped collar slidable on the roller and supporting a grinding wheel on one of its steps for moving the wheel from its position on the first named shaft onto the roller, and means for locking the collar and wheel on the roller.
9. The combination with a grinding machine shaft, of a wheel balance tester comprising a stud shaft on the end of the first named shaft, a hollow roller journaled on the stud shaft concentrically therewith, a stepped collar slidable on the roller and supporting a grinding wheel on one of its steps for moving the wheel from its position on the first named shaft onto the roller, and means for locking the collar and wheel on the roller, and including a tapered sectional sleeve removably carried by the roller and wedged in the hub of the Wheel.
10. The combination with a grinding machine shaft, of a wheel balance tester comprising a stud shaft on the end of the first named shaft, a hollow roller journaled on the stud shaft concentrically therewith, a stepped collar slidable on the roller and supporting a grinding wheel on one of its steps for moving the wheel from its position on the first named shaft onto the roller, and means for locking the collar and wheel on the roller, and including a tapered sectional sleeve removably carried by the roller and wedged in the hub of the wheel, and held against a part of the roller by the collar.
11. A grinding wheel balance testing attachment for grinding machines comprising a shaft extension including an inner relatively stationary part and an outer revoluble part, and means connecting the shaft extension to the spindle of the grinding machine in a position for transferring a grinding wheel from the spindle onto the revoluble part of the shaft extension for free rotation of the wheel thereon.
12. A grinding wheel balance testing attachment for grinding machines comprising a shaft extension including an inner relatively stationary part and an outer revoluble part, means connecting the shaft extension to the spindle of the grinding machine, and transfer means on the shaft extension for moving a grinding wheel from the spindle onto the revoluble part of the shaft extension for free rotation thereon.
13. A grinding wheel balance testing attachment for grinding machines comprising a shaft extension, means connecting the shaft extension to the spindle of the grinding machine, a roller journalled on the shaft extension concentrically therewith, a collar slidably carried by the roller and supporting a grinding wheel for transferring the wheel from the spindle onto the roller, and means carried by the roller locking the wheel thereon.
JOHN F. DRIVER.
REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS Number Name Date 747,101 Terry Dec. 15, 1903 933,382 Moore Sept. 7, 1909 1,364,994 Johnson Jan. 11, 1921 1,553,552 Reeves Sept. 15, 1925 1,967,163 Thearle July 17, 1934 2,142,021 Ernst et'al Dec. 27, 1938
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US69304A US2595777A (en) | 1949-01-05 | 1949-01-05 | Device for facilitating the balancing and testing the balance of grinding wheels |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US69304A US2595777A (en) | 1949-01-05 | 1949-01-05 | Device for facilitating the balancing and testing the balance of grinding wheels |
Publications (1)
Publication Number | Publication Date |
---|---|
US2595777A true US2595777A (en) | 1952-05-06 |
Family
ID=22088066
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US69304A Expired - Lifetime US2595777A (en) | 1949-01-05 | 1949-01-05 | Device for facilitating the balancing and testing the balance of grinding wheels |
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US (1) | US2595777A (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US747101A (en) * | 1903-09-08 | 1903-12-15 | William Terry | Wheel holder or support. |
US933382A (en) * | 1907-12-19 | 1909-09-07 | John N Moore | Grinding-wheel attachment for sewing-machines. |
US1364994A (en) * | 1919-05-02 | 1921-01-11 | Gustave T Johnson | Balancing-machine |
US1553552A (en) * | 1922-07-14 | 1925-09-15 | Heim Grinder Company | Balancing grinding wheels |
US1967163A (en) * | 1933-05-26 | 1934-07-17 | Gen Electric | Means for dynamically balancing machine tools |
US2142021A (en) * | 1937-09-03 | 1938-12-27 | Cincinnati Grinders Inc | Automatic dynamic balancer for machine tools |
-
1949
- 1949-01-05 US US69304A patent/US2595777A/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US747101A (en) * | 1903-09-08 | 1903-12-15 | William Terry | Wheel holder or support. |
US933382A (en) * | 1907-12-19 | 1909-09-07 | John N Moore | Grinding-wheel attachment for sewing-machines. |
US1364994A (en) * | 1919-05-02 | 1921-01-11 | Gustave T Johnson | Balancing-machine |
US1553552A (en) * | 1922-07-14 | 1925-09-15 | Heim Grinder Company | Balancing grinding wheels |
US1967163A (en) * | 1933-05-26 | 1934-07-17 | Gen Electric | Means for dynamically balancing machine tools |
US2142021A (en) * | 1937-09-03 | 1938-12-27 | Cincinnati Grinders Inc | Automatic dynamic balancer for machine tools |
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