US3343592A - Reciprocating continuous casting curved mold mounting system - Google Patents
Reciprocating continuous casting curved mold mounting system Download PDFInfo
- Publication number
- US3343592A US3343592A US489247A US48924765A US3343592A US 3343592 A US3343592 A US 3343592A US 489247 A US489247 A US 489247A US 48924765 A US48924765 A US 48924765A US 3343592 A US3343592 A US 3343592A
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- US
- United States
- Prior art keywords
- mold
- continuous casting
- shaft
- curvature
- center
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000009749 continuous casting Methods 0.000 title claims description 13
- 238000005266 casting Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 230000009467 reduction Effects 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/053—Means for oscillating the moulds
Definitions
- This invention relates to continuous casting of metals and, more particularly, relates to an improved mold mounting arrangement for a reciprocated curved mold used in such continuous casting plants.
- the mold is fashioned as an open-ended mold ,which is cooled to solidify the periphery of molten metal poured therein, permitting continuous extraction of the strand cast thereby.
- the strand cast thereby issues in the form of a curved strand having the same radius as the radius of curvature of the mold.
- the curvature of the strand permits certain reductions in the height of the continuous casting plant and is, thus, advantageous.
- an object of the present invention to provide an improved arrangement for mounting of a reciprocated curved continuous casting mold.
- a continuous casting mold having a curved shaft extending therethrough.
- a mounting support is positioned adjacent the mold on the side of the mold towards the center of curvature of the curved shaft.
- Short supporting links are used to supportably couple the mold to the support.
- a short link is provided at the top and the bottom of the mold and each of the links is pivotably coupled to both the support and the mold at the respective ends thereof.
- the links are so positioned as to lie along radii extending from the center of the radius of curvature of the mold shaft when in the rest position.
- Means are provided to oscillate the mold over the desired throw and, as the mold oscillates, it will be carried along a circular path which follows the absolute circular path described by the radius from the center of curvature of the mold so closely as to enable casting of the curved strand by the reciprocated mold without damage to the fragile skin thereof.
- a continuous casting mold 10 which may, for example, comprise a copper mold having an open-ended substantially centrally disposed mold shaft 12 extending therethrough.
- the mold shaft may, for example, be rectangular in configuration.
- the mold 10 may be provided with cooling water circulated through the mold in conventional manner to chill the mold and thereby to provide means for chilling the periphery of molten metal poured into the open shaft of the mold.
- the peripheral skin is formed within the mold shaft and contains the molten metal in the core of the strand.
- the strand is continuously extracted from the exit end of the mold shaft 12 as it accrues.
- the mold shaft 12 is curved about a center of curvature 14 having the radius R. In this manner, the strand cast by the mold is curved, permitting reduction in the overall height of the continuous casting plant as is now well known to the art.
- the mold is pivotably carried by a support 16 coupled to the mold by upper control links 18 and lower control links 20.
- the links will be applied to both sides of the mold.
- the ends of both the upper control links and the lower control links are pivotably coupled to the support and to the mold by pivot pins 22 and 24.
- the pivot points are so positioned that, in the rest position of the mold, both the upper control link 18 and the lower control line 20 lie along radii 26 and 28 respectively extending from the center of curvature 14 of the mold shaft 12.
- Means 30* are provided to reciprocate the mold from its rest position over the desired stroke h in a reciprocation cycle, the stroke and the velocity of which is determined by the material to be cast and the desired quality of the surface of the cast strand.
- the mold follows a generally circular path coinciding with the arc of the curved shaft.
- the links will be fixed about a pivot point displaced from the original pivot point 14.
- the deviation from the true circular path about pivot point 14 can be held to such a small deviation from the exact circular path that casting can be achieved. It will be noted that there is some contraction of the strand which permits a certain amount of deviation from the path without impacting the skin. Further. the extremely slight deviation from a truly circular path is less than the deviation caused by temperatule responsive changes in length of a long beam pivoted about the pivot point 14.
- the radius R to the center of curvature would be 36'.
- the control links were 32 long.
- the oscillation stroke h was /1".
- the distance between pivot pins on the mold was 20".
- a close coupled, rigid mounting arrangement can be achieved to both support and controllably guide the massive equipment utilized in such processes without significant deviations from the theoretically desired circular oscillation path.
- a continuous casting mold said mold having an open-ended mold shaft extending theret-hrough, said mold shaft being curved about a center of curvature, a mold support positioned adjacent said mold and on the same side of said mold as lies said center of curvature, an upper and lower control link extending between said mold and said support and being pivota-bly coupled to said support and to said mold at the respective ends of each of said control links, said upper control link and said lower control link lying along radii extending from said center of curvature of said mold shaft to said mold shaft.
- a combination in accordance with claim 1 which includes means for reciprocating said mold in a reciprocation stroke.
- a combination in accordance with claim 1 which includes a second upper control link and a second lower control link, said first and second upper control links being positioned astraddle said mold, said first and second lower control links being likewise positioned astraddle said mold.
Description
Sept. 26, 1967 E. T. VOGEL 3,343,592
RBCIPROCATING CONTINUOUS CASTING CURVED MOLD MOUNTING SYSTEM Filed Sept. 22, 1965 ATTORNEYS United States Patent Filed Sept. 22, 1965, Ser- No. 489,247 3 Claims. (Cl. 164-260) This invention relates to continuous casting of metals and, more particularly, relates to an improved mold mounting arrangement for a reciprocated curved mold used in such continuous casting plants.
In recent years, increased emphasis 'has been given to casting of a continuous strand by a curved mold. The
mold is fashioned as an open-ended mold ,which is cooled to solidify the periphery of molten metal poured therein, permitting continuous extraction of the strand cast thereby. By curving the mold shaft, the strand cast thereby issues in the form of a curved strand having the same radius as the radius of curvature of the mold. The curvature of the strand permits certain reductions in the height of the continuous casting plant and is, thus, advantageous.
However, it has been found that, to avoid problems of sticking of the skin of the strand to the mold which might result in rupture of the thin skin and resultant breakthrough of the molten core of the strand, that the mold should be reciprocated over a predetermined throw during casting. The curved mold must be reciprocated along the radius of curvature of the shaft thereof in order to avoid the application of impact shocks to the skin of the strand.
Accordingly, such molds have been mounted on a beam corresponding to the radius of curvature of the mold shaft and pivoted at the center of curvature. T he mold is mounted at the other end of the pivoted beam and is reciprocated or oscillated. The rather long beam lengths involved, however, introduce the disadvantage of unduly increasing the size of the continuous casting plant and also introduces many mechanical difficulties particularly the problems associated with changes in beam length with temperature change.
It is, therefore, an object of the present invention to provide an improved arrangement for mounting of a reciprocated curved continuous casting mold.
In accordance with this object, there is provided, in a preferred embodiment of this invention, a continuous casting mold having a curved shaft extending therethrough. A mounting support is positioned adjacent the mold on the side of the mold towards the center of curvature of the curved shaft. Short supporting links are used to supportably couple the mold to the support. A short link is provided at the top and the bottom of the mold and each of the links is pivotably coupled to both the support and the mold at the respective ends thereof.
The links are so positioned as to lie along radii extending from the center of the radius of curvature of the mold shaft when in the rest position. Means are provided to oscillate the mold over the desired throw and, as the mold oscillates, it will be carried along a circular path which follows the absolute circular path described by the radius from the center of curvature of the mold so closely as to enable casting of the curved strand by the reciprocated mold without damage to the fragile skin thereof.
Having briefly described this invention, it will be de- 3,343,592 Patented Sept. 26, 1967 scribed in greater detail along with other objects and advantages in the following portions of the specification, which may best be understood by reference to the accompanying figure which is a side elevation in diagrammatic form of a curved continuous casting mold arranged in accordance with the present invention.
In the single figure, there is shown a continuous casting mold 10 which may, for example, comprise a copper mold having an open-ended substantially centrally disposed mold shaft 12 extending therethrough. The mold shaft may, for example, be rectangular in configuration. The mold 10 may be provided with cooling water circulated through the mold in conventional manner to chill the mold and thereby to provide means for chilling the periphery of molten metal poured into the open shaft of the mold. The peripheral skin is formed within the mold shaft and contains the molten metal in the core of the strand. The strand is continuously extracted from the exit end of the mold shaft 12 as it accrues.
The mold shaft 12 is curved about a center of curvature 14 having the radius R. In this manner, the strand cast by the mold is curved, permitting reduction in the overall height of the continuous casting plant as is now well known to the art.
The mold is pivotably carried by a support 16 coupled to the mold by upper control links 18 and lower control links 20. In the usual application, the links will be applied to both sides of the mold. The ends of both the upper control links and the lower control links are pivotably coupled to the support and to the mold by pivot pins 22 and 24. The pivot points are so positioned that, in the rest position of the mold, both the upper control link 18 and the lower control line 20 lie along radii 26 and 28 respectively extending from the center of curvature 14 of the mold shaft 12. Means 30* are provided to reciprocate the mold from its rest position over the desired stroke h in a reciprocation cycle, the stroke and the velocity of which is determined by the material to be cast and the desired quality of the surface of the cast strand.
During reciprocation of the mold from its rest position to its maximum deflection indicated by the dotted outline 32, the mold follows a generally circular path coinciding with the arc of the curved shaft. There is a slight deviation from the circular path about the pivot point 14 since in the lowest position, the links will be fixed about a pivot point displaced from the original pivot point 14. However, the deviation from the true circular path about pivot point 14 can be held to such a small deviation from the exact circular path that casting can be achieved. It will be noted that there is some contraction of the strand which permits a certain amount of deviation from the path without impacting the skin. Further. the extremely slight deviation from a truly circular path is less than the deviation caused by temperatule responsive changes in length of a long beam pivoted about the pivot point 14.
For example, in a typical installation, the radius R to the center of curvature would be 36'. The control links were 32 long. The oscillation stroke h was /1". The distance between pivot pins on the mold was 20". With such arrangement, the deviation from a true circular path was less than (LOGS-in. As can be seen, the deviation is very small even with a great reduction in size from 36 to 32".
Thus, with the present arrangement, a close coupled, rigid mounting arrangement can be achieved to both support and controllably guide the massive equipment utilized in such processes without significant deviations from the theoretically desired circular oscillation path.
This invention may be variously modified and embodied within the scope of the subjoined claims.
What is claimed is:
1. In combination, a continuous casting mold, said mold having an open-ended mold shaft extending theret-hrough, said mold shaft being curved about a center of curvature, a mold support positioned adjacent said mold and on the same side of said mold as lies said center of curvature, an upper and lower control link extending between said mold and said support and being pivota-bly coupled to said support and to said mold at the respective ends of each of said control links, said upper control link and said lower control link lying along radii extending from said center of curvature of said mold shaft to said mold shaft.
2. A combination in accordance with claim 1 which includes means for reciprocating said mold in a reciprocation stroke.
3. A combination in accordance with claim 1 which includes a second upper control link and a second lower control link, said first and second upper control links being positioned astraddle said mold, said first and second lower control links being likewise positioned astraddle said mold.
References Cited UNITED STATES PATENTS OTHER REFERENCES Marks Mechanical Engineers Handbook, Sixth Edition, McGraw-Hill, N.Y., 1958, T] 151 M 37, p. 8-3
(copy in Group 320).
J. SPENCER OVERHOLSER, Primary Examiner.
R. S. ANNEAR, Assistant Examiner.
Claims (1)
1. IN COMBINATION, A CONTINUOUS CASTING MOLD, SAID MOLD HAVING AN OPEN-ENDED MOLD SHAFT EXTENDING THERETHROUGH, SAID MOLD SHAFT BEING CURVED ABOUT A CENTER OF CURVATURE, A MOLD SUPPORT POSITIONED ADJACENT SAID MOLD AND ON THE SAME SIDE OF SAID MOLD AS LIES SAID CENTER OF CURVATURE, AN UPPER AND LOWER CONTROL LINK EXTENDING BETWEEN SAID MOLD AND SAID SUPPORT AND BEING PIVOTALLY COUPLED TO SAID SUPPORT AND TO SAID MOLD AT THE RESPECTIVE ENDS OF EACH OF SAID CONTROL LINK LYING ALONG RADII EXTENDING FROM SAID CENTER OF CURVATURE OF SAID MOLD SHAFT TO SAID MOLD SHAFT.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US489247A US3343592A (en) | 1965-09-22 | 1965-09-22 | Reciprocating continuous casting curved mold mounting system |
AT884666A AT260445B (en) | 1965-09-22 | 1966-09-20 | Device for oscillating a permanent mold with a circular arc-shaped mold cavity for continuous casting plants |
GB42247/66A GB1113744A (en) | 1965-09-22 | 1966-09-21 | An arrangement for oscillating a mould longitudinally in a continuous casting plant |
DE19661508808 DE1508808B2 (en) | 1965-09-22 | 1966-09-21 | Device for the oscillation of a continuous casting mold with a circular arc-shaped mold cavity |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US489247A US3343592A (en) | 1965-09-22 | 1965-09-22 | Reciprocating continuous casting curved mold mounting system |
Publications (1)
Publication Number | Publication Date |
---|---|
US3343592A true US3343592A (en) | 1967-09-26 |
Family
ID=23943031
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US489247A Expired - Lifetime US3343592A (en) | 1965-09-22 | 1965-09-22 | Reciprocating continuous casting curved mold mounting system |
Country Status (4)
Country | Link |
---|---|
US (1) | US3343592A (en) |
AT (1) | AT260445B (en) |
DE (1) | DE1508808B2 (en) |
GB (1) | GB1113744A (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3409070A (en) * | 1966-08-05 | 1968-11-05 | Koppers Co Inc | Continuous casting apparatus |
US3592258A (en) * | 1968-06-26 | 1971-07-13 | Schloemann Ag | Apparatus for guiding oscillating continuous casting mold |
US3659643A (en) * | 1969-08-16 | 1972-05-02 | Schloemann Ag | Apparatus for the continuous casting of metal strip |
US3664409A (en) * | 1969-08-08 | 1972-05-23 | Kolomeitsev Adolf P | Mold rocking mechanism in a continuous metal casting plant |
JPS4884036A (en) * | 1972-02-01 | 1973-11-08 | ||
US3782679A (en) * | 1971-07-15 | 1974-01-01 | Precision Eng Ltd | Split mould with hinged upper part |
US4480678A (en) * | 1981-08-10 | 1984-11-06 | Fives-Cail Babcock | Apparatus for controlling and guiding oscillations of a continuous casting mold |
US4529031A (en) * | 1982-06-18 | 1985-07-16 | Voest-Alpine Aktiengesellschaft | Apparatus and method for continuous casting |
US5219029A (en) * | 1992-03-09 | 1993-06-15 | Gunther Behrends | Oscillator for continuous casting mold |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006010984B4 (en) | 2006-03-09 | 2009-08-20 | Badische Stahl-Engineering Gmbh | continuous casting |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2818616A (en) * | 1954-07-15 | 1958-01-07 | Continuous Metalcast Co Inc | Apparatus for the continuous casting of metals |
US2871530A (en) * | 1955-09-12 | 1959-02-03 | Wieland Werke Ag | Continuous casting mold, its manufacture and use |
US2946100A (en) * | 1956-08-27 | 1960-07-26 | American Smelting Refining | Block graphite mold for continuous casting |
US2947075A (en) * | 1956-09-21 | 1960-08-02 | Moossche Eisenwerke Ag | Method for the continuous casting of metal strip, and strip casting plant for carrying out the method |
US3200456A (en) * | 1961-09-12 | 1965-08-17 | Babcock & Wilcox Co | Continuous casting method and apparatus |
US3253473A (en) * | 1964-09-02 | 1966-05-31 | Dow Chemical Co | Mechanical linkage |
US3258815A (en) * | 1963-05-03 | 1966-07-05 | Koppers Co Inc | Continuous casting machine |
US3313006A (en) * | 1963-07-12 | 1967-04-11 | Moossche Eisenwerke Ag | Continuous casting plant |
-
1965
- 1965-09-22 US US489247A patent/US3343592A/en not_active Expired - Lifetime
-
1966
- 1966-09-20 AT AT884666A patent/AT260445B/en active
- 1966-09-21 GB GB42247/66A patent/GB1113744A/en not_active Expired
- 1966-09-21 DE DE19661508808 patent/DE1508808B2/en not_active Withdrawn
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2818616A (en) * | 1954-07-15 | 1958-01-07 | Continuous Metalcast Co Inc | Apparatus for the continuous casting of metals |
US2871530A (en) * | 1955-09-12 | 1959-02-03 | Wieland Werke Ag | Continuous casting mold, its manufacture and use |
US2946100A (en) * | 1956-08-27 | 1960-07-26 | American Smelting Refining | Block graphite mold for continuous casting |
US2947075A (en) * | 1956-09-21 | 1960-08-02 | Moossche Eisenwerke Ag | Method for the continuous casting of metal strip, and strip casting plant for carrying out the method |
US3200456A (en) * | 1961-09-12 | 1965-08-17 | Babcock & Wilcox Co | Continuous casting method and apparatus |
US3258815A (en) * | 1963-05-03 | 1966-07-05 | Koppers Co Inc | Continuous casting machine |
US3313006A (en) * | 1963-07-12 | 1967-04-11 | Moossche Eisenwerke Ag | Continuous casting plant |
US3253473A (en) * | 1964-09-02 | 1966-05-31 | Dow Chemical Co | Mechanical linkage |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3409070A (en) * | 1966-08-05 | 1968-11-05 | Koppers Co Inc | Continuous casting apparatus |
US3592258A (en) * | 1968-06-26 | 1971-07-13 | Schloemann Ag | Apparatus for guiding oscillating continuous casting mold |
US3664409A (en) * | 1969-08-08 | 1972-05-23 | Kolomeitsev Adolf P | Mold rocking mechanism in a continuous metal casting plant |
US3659643A (en) * | 1969-08-16 | 1972-05-02 | Schloemann Ag | Apparatus for the continuous casting of metal strip |
US3782679A (en) * | 1971-07-15 | 1974-01-01 | Precision Eng Ltd | Split mould with hinged upper part |
JPS4884036A (en) * | 1972-02-01 | 1973-11-08 | ||
US3822738A (en) * | 1972-02-01 | 1974-07-09 | Concast Ag | Apparatus for guiding an oscillating continuous casting mold at a continuous casting installation with curved path of travel of the strand |
JPS525294B2 (en) * | 1972-02-01 | 1977-02-12 | ||
US4480678A (en) * | 1981-08-10 | 1984-11-06 | Fives-Cail Babcock | Apparatus for controlling and guiding oscillations of a continuous casting mold |
US4529031A (en) * | 1982-06-18 | 1985-07-16 | Voest-Alpine Aktiengesellschaft | Apparatus and method for continuous casting |
US5219029A (en) * | 1992-03-09 | 1993-06-15 | Gunther Behrends | Oscillator for continuous casting mold |
Also Published As
Publication number | Publication date |
---|---|
AT260445B (en) | 1968-03-11 |
GB1113744A (en) | 1968-05-15 |
DE1508808B2 (en) | 1970-10-08 |
DE1508808A1 (en) | 1970-03-05 |
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