US1380250A - Process of molding or shaping parts in molds or dies - Google Patents
Process of molding or shaping parts in molds or dies Download PDFInfo
- Publication number
- US1380250A US1380250A US332498A US33249819A US1380250A US 1380250 A US1380250 A US 1380250A US 332498 A US332498 A US 332498A US 33249819 A US33249819 A US 33249819A US 1380250 A US1380250 A US 1380250A
- Authority
- US
- United States
- Prior art keywords
- dies
- molding
- molds
- shaping
- shaping parts
- 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
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/02—Special design or construction
- B21J9/06—Swaging presses; Upsetting presses
- B21J9/08—Swaging presses; Upsetting presses equipped with devices for heating the work-piece
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S76/00—Metal tools and implements, making
- Y10S76/05—Electric welding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49462—Gear making
- Y10T29/49467—Gear shaping
- Y10T29/49474—Die-press shaping
Definitions
- This invention relates particularly to hot pressing and die molding metals and other materials in various shapes, electromagnetic induction being used as a heating agency.
- Die molding of metals has likewise involved difiiculties as performed by the customary methods, 6. e., by pouring or m ecting molten metal into molds or dies.
- the metal has a. tendency to chill prematurely, not properly filling out every detail of the dies, or the metal my suffer change by exposure to the air, or if an alloy, the elements may segregate, thus changing the composition.
- the electrical molding process herein described is intended to largely overcome the above d-ifliculties and constitutes a generally more practical method of molding various shapes and materials.
- Figure 1 is a plan view.
- FIG. 2 is a central sectional view of the invention.
- Fig. 3 is a central sectional view ofthe completed article showing the same after it has been subjected to the steps of the process.
- the pinion 4 shown on the drawing will be taken as an illustration.
- the blank metal which may .be in the shape of a slug, granulated, or in any other form desired, in this case shown as a slug 3, is introduced between the dies 1 and 2 as shown on the accompa nying drawing. These dies may be made of.
- quartz or other refractory material accurately fitted so as to slide together with as little clearance as necessary to do so freely, variations in size with temperature being taken into consideration.
- the mold is sur rounded by a coil 5 of suitable design, which is supplied with alternating current of proper magnitude and frequency to efficiently induce enough secondary current in the slug 3 to raise it to the desired temperature.
- the principle involved is the same as in the induction electric furnace. In this way the temperature may be very uniformlyraised to almost any degree desired, and by properly regulating the time element may be held within very close limits.
- the dies are brought together and the part thus pressed into shape. Any plasticity or fluidity that practice indicates is best may be used.
- the process may be varied somewhat by using an electrically conducting mold such as graphite or some highly refractory metal, in which case eddy currents will also be induced in the mold, causing this to be heated as well as the blank metal inside.
- an electrically conducting mold such as graphite or some highly refractory metal, in which case eddy currents will also be induced in the mold, causing this to be heated as well as the blank metal inside.
- Another variation would be to mold electrically non-conducting parts in electrically conducting molds, the entire heat being supplied to the substance being shaped by conduction.
- Molds and dies, used in connection with such a process may to advantage be made of some mechanically strong material, such as steel, protected from injury by contact Patented May 31, 19-21.
- the hot material being shaped by a closed die, consisting of electrically heating the material in a coreless high frequency primary transformer by the trasformer reaction between sai d high frequency primary and the material to be molded, and the shaping of said heated material in a closed die under pressure.
Description
M. H. REYMOND.
PROCESS OF MOLDING 0R SHAPING PARTS IN MOLDS 0R DIES.
APPLICATION FILED on 22, 1919.
1,380,250. Patented May 31, 1921.
E i J I INVENTOR W74. W
ATTORNEY UNITED STATES PATENT OFFICE.
MARTIN H. REYMOND, OF ANDERSON, INDIANA.
PROCESS OF MOLDING OB SHAPING PARTS IN HOLDS OR DIES.
Specification of Letters Patent.
Application filed October 22, 1919. Serial No. 332,498.
T 0 all whom it may concern:
Be it known that I, MARTIN H. REYMOND, a citizen of the United States, and a resident of Anderson, county of Madison, and State of Indiana, have invented a certain new and useful Process of Molding or Shaping Parts in Molds or Dies; and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the drawings, in which like numerals refer to like parts.
This invention relates particularly to hot pressing and die molding metals and other materials in various shapes, electromagnetic induction being used as a heating agency.
In the past hot pressing of metals .has been performed by preheating the blank to some specified temperature at which the metal 1s sufficiently plastic, then placing between dies, and pressing into shape. Difficulty has been encountered in the formation of scale during preheating and during transference to the dies, making it diflicult to obtain accurate surfaces on the part. Also it has been difficult to maintain the temperature and in consequence the plasticity of the blank with sufficient uniformity to permit using anything but mechanically very strong materials for the dies, such as steel, cast iron, etc., barring materials better suited in other respects, such as in being more refractory and of smaller coeflicient of expansion.
Die molding of metals has likewise involved difiiculties as performed by the customary methods, 6. e., by pouring or m ecting molten metal into molds or dies. For instance, the metal has a. tendency to chill prematurely, not properly filling out every detail of the dies, or the metal my suffer change by exposure to the air, or if an alloy, the elements may segregate, thus changing the composition.
The electrical molding process herein described is intended to largely overcome the above d-ifliculties and constitutes a generally more practical method of molding various shapes and materials.
In the drawings Figure 1 is a plan view.
of the means associated with the process herein described. Fig. 2 is a central sectional view of the invention. Fig. 3 is a central sectional view ofthe completed article showing the same after it has been subjected to the steps of the process.
' This process maybe illustrated by describing in general principle the shaping by this means of a particular part. The pinion 4; shown on the drawing will be taken as an illustration. The blank metal, which may .be in the shape of a slug, granulated, or in any other form desired, in this case shown as a slug 3, is introduced between the dies 1 and 2 as shown on the accompa nying drawing. These dies may be made of.
quartz or other refractory material accurately fitted so as to slide together with as little clearance as necessary to do so freely, variations in size with temperature being taken into consideration. The mold is sur rounded by a coil 5 of suitable design, which is supplied with alternating current of proper magnitude and frequency to efficiently induce enough secondary current in the slug 3 to raise it to the desired temperature. The principle involved is the same as in the induction electric furnace. In this way the temperature may be very uniformlyraised to almost any degree desired, and by properly regulating the time element may be held within very close limits. When the proper temperature has been reached, the dies are brought together and the part thus pressed into shape. Any plasticity or fluidity that practice indicates is best may be used.
The process may be varied somewhat by using an electrically conducting mold such as graphite or some highly refractory metal, in which case eddy currents will also be induced in the mold, causing this to be heated as well as the blank metal inside.
Another variation would be to mold electrically non-conducting parts in electrically conducting molds, the entire heat being supplied to the substance being shaped by conduction.
Molds and dies, used in connection with such a process may to advantage be made of some mechanically strong material, such as steel, protected from injury by contact Patented May 31, 19-21.
with the hot material being shaped by a closed die, consisting of electrically heating the material in a coreless high frequency primary transformer by the trasformer reaction between sai d high frequency primary and the material to be molded, and the shaping of said heated material in a closed die under pressure.
2. The process of moldingconducting material in a closed die, consisting of electrically heating the conducting material in a coreless high frequency primary transformer by the transformer reaction between said high frequency primary and the conductin g material to be molded, and the shaping of said heated material in the closed die under pressure.
3. The process of molding material in a die, consisting of electrically heating the material by means of an induction heater of the high frequency type which does not involve the use of transformer iron to concentrate the lines of force, and the shaping of the material in the die, said heater being so positioned as to heat the material While said material is in the die.
()ctober 17, 1919.
MARTIN H. REYMUND.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US332498A US1380250A (en) | 1919-10-22 | 1919-10-22 | Process of molding or shaping parts in molds or dies |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US332498A US1380250A (en) | 1919-10-22 | 1919-10-22 | Process of molding or shaping parts in molds or dies |
Publications (1)
Publication Number | Publication Date |
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US1380250A true US1380250A (en) | 1921-05-31 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US332498A Expired - Lifetime US1380250A (en) | 1919-10-22 | 1919-10-22 | Process of molding or shaping parts in molds or dies |
Country Status (1)
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US (1) | US1380250A (en) |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2431095A (en) * | 1944-11-06 | 1947-11-18 | Hpm Dev Corp | Apparatus for hot pressing powdered metal |
US2437127A (en) * | 1945-10-01 | 1948-03-02 | Hpm Dev Corp | Apparatus for powder metallurgy |
US2524057A (en) * | 1946-07-18 | 1950-10-03 | Thoger G Jungersen | Precision forming of metal |
US2627010A (en) * | 1948-01-28 | 1953-01-27 | Metals & Controls Corp | Apparatus for soldering metal strips |
US2777929A (en) * | 1952-07-21 | 1957-01-15 | Joseph B Brennan | Method and apparatus for welding metal elements |
US2786267A (en) * | 1952-11-18 | 1957-03-26 | Chappuis Tilla-Marguerite | Method for producing cold flowing of metals |
US2812059A (en) * | 1952-11-10 | 1957-11-05 | Biginelli Oreste | Die shaping device |
US2989618A (en) * | 1958-03-14 | 1961-06-20 | Atomic Energy Authority Uk | Electric resistance heating and forming of articles |
US3361074A (en) * | 1965-01-15 | 1968-01-02 | Eckerle Otto | Gear pump having a rotor shaft integral with the crown gear |
US3375694A (en) * | 1966-03-09 | 1968-04-02 | Gen Dynamics Corp | Magnetic high energy rate forming apparatus |
US3705284A (en) * | 1969-02-27 | 1972-12-05 | Elphiac Sa | Inductor for the thermal treatment of a material which is not very or non-electrically conducting containing ferromagnetic or electrically conductive particles |
US3827275A (en) * | 1971-12-07 | 1974-08-06 | Hasenclever Gmbh Maschf | Method of and apparatus for the upsetting of bars and similar workpieces |
US4212189A (en) * | 1977-01-09 | 1980-07-15 | Bbc Brown, Boveri & Company, Limited | Tool for isothermal forging |
US4537050A (en) * | 1981-04-25 | 1985-08-27 | The British Aluminium Company Plc | Method of controlling a stand for rolling strip material |
US6230539B1 (en) * | 1999-09-03 | 2001-05-15 | The United States Of America As Represented By The Secretary Of The Army | Ultra precision net forming process employing controlled plastic deformation of metals at elevated temperatures |
WO2010116059A1 (en) * | 2009-04-09 | 2010-10-14 | Jean-Luc Mossotti | Induction hot press |
CN102189194A (en) * | 2010-01-20 | 2011-09-21 | 本特勒尔汽车技术有限公司 | Method for manufacturing component and device for performing the method |
-
1919
- 1919-10-22 US US332498A patent/US1380250A/en not_active Expired - Lifetime
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2431095A (en) * | 1944-11-06 | 1947-11-18 | Hpm Dev Corp | Apparatus for hot pressing powdered metal |
US2437127A (en) * | 1945-10-01 | 1948-03-02 | Hpm Dev Corp | Apparatus for powder metallurgy |
US2524057A (en) * | 1946-07-18 | 1950-10-03 | Thoger G Jungersen | Precision forming of metal |
US2627010A (en) * | 1948-01-28 | 1953-01-27 | Metals & Controls Corp | Apparatus for soldering metal strips |
US2777929A (en) * | 1952-07-21 | 1957-01-15 | Joseph B Brennan | Method and apparatus for welding metal elements |
US2812059A (en) * | 1952-11-10 | 1957-11-05 | Biginelli Oreste | Die shaping device |
US2786267A (en) * | 1952-11-18 | 1957-03-26 | Chappuis Tilla-Marguerite | Method for producing cold flowing of metals |
US2989618A (en) * | 1958-03-14 | 1961-06-20 | Atomic Energy Authority Uk | Electric resistance heating and forming of articles |
US3361074A (en) * | 1965-01-15 | 1968-01-02 | Eckerle Otto | Gear pump having a rotor shaft integral with the crown gear |
US3375694A (en) * | 1966-03-09 | 1968-04-02 | Gen Dynamics Corp | Magnetic high energy rate forming apparatus |
US3705284A (en) * | 1969-02-27 | 1972-12-05 | Elphiac Sa | Inductor for the thermal treatment of a material which is not very or non-electrically conducting containing ferromagnetic or electrically conductive particles |
US3827275A (en) * | 1971-12-07 | 1974-08-06 | Hasenclever Gmbh Maschf | Method of and apparatus for the upsetting of bars and similar workpieces |
US4212189A (en) * | 1977-01-09 | 1980-07-15 | Bbc Brown, Boveri & Company, Limited | Tool for isothermal forging |
US4537050A (en) * | 1981-04-25 | 1985-08-27 | The British Aluminium Company Plc | Method of controlling a stand for rolling strip material |
US6230539B1 (en) * | 1999-09-03 | 2001-05-15 | The United States Of America As Represented By The Secretary Of The Army | Ultra precision net forming process employing controlled plastic deformation of metals at elevated temperatures |
WO2010116059A1 (en) * | 2009-04-09 | 2010-10-14 | Jean-Luc Mossotti | Induction hot press |
FR2944225A1 (en) * | 2009-04-09 | 2010-10-15 | Jean Luc Mossotti | INDUCTION HEATING PRESS |
CN102189194A (en) * | 2010-01-20 | 2011-09-21 | 本特勒尔汽车技术有限公司 | Method for manufacturing component and device for performing the method |
US20120018422A1 (en) * | 2010-01-20 | 2012-01-26 | Benteler Automobiltechnik Gmbh | Method and apparatus for producing a structural part using induction heating |
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