PL442828A1 - Method of shaping a spherical recess on the front surface of an engine valve in the process of its co-extrusion and hot forging - Google Patents
Method of shaping a spherical recess on the front surface of an engine valve in the process of its co-extrusion and hot forgingInfo
- Publication number
- PL442828A1 PL442828A1 PL442828A PL44282822A PL442828A1 PL 442828 A1 PL442828 A1 PL 442828A1 PL 442828 A PL442828 A PL 442828A PL 44282822 A PL44282822 A PL 44282822A PL 442828 A1 PL442828 A1 PL 442828A1
- Authority
- PL
- Poland
- Prior art keywords
- hot forging
- front surface
- extrusion
- engine valve
- punch
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 9
- 238000005242 forging Methods 0.000 title abstract 8
- 238000001125 extrusion Methods 0.000 title abstract 6
- 238000007493 shaping process Methods 0.000 title 1
- 238000002485 combustion reaction Methods 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/14—Making other products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
- B21J1/003—Selecting material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
- B21J1/02—Preliminary treatment of metal stock without particular shaping, e.g. salvaging segregated zones, forging or pressing in the rough
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/002—Hybrid process, e.g. forging following casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
- B21J5/022—Open die forging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/20—Making machine elements valve parts
- B21K1/22—Making machine elements valve parts poppet valves, e.g. for internal-combustion engines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Forging (AREA)
Abstract
Sposób kształtowania sferycznego wgłębienia na czołowej powierzchni zaworu silnikowego w procesie jego wyciskania współbieżnego i kucia na gorąco, przeznaczonego do stosowania w silnikach spalinowych w samochodach osobowych i ciężarowych, w którego procesie wyciskania współbieżnego kształtuje się przedkuwkę przy użyciu stempla do współbieżnego wyciskania wstępnego, którą to przedkuwkę kuje się następnie w procesie kucia na gorąco przy użyciu stempla do kucia na gorąco, przy czym w procesie kucia na gorąco używa się stempla do kucia na gorąco, który na czołowej powierzchni ma sferyczny wypust, którym na czołowej powierzchni wytwarzanego zaworu silnikowego centralnie w jego osi wzdłużnej ukształtowuje się sferyczne wgłębienie, charakteryzuje się tym, że sferyczne wgłębienie na czołowej powierzchni wytwarzanego zaworu silnikowego kształtuje się już wstępnie w procesie wyciskania współbieżnego przedkuwki, a do jego utworzenia w tym procesie używa się stempla do współbieżnego wyciskania wstępnego (1), który podobnie jak stempel do kucia na gorąco ma na czołowej powierzchni sferyczny wypust.A method of forming a spherical recess on the front surface of an engine valve in the process of its co-rotating extrusion and hot forging, intended for use in internal combustion engines in passenger cars and trucks, in the co-extrusion process of which a blank is formed using a punch for co-rotating preliminary extrusion, which blank is then forged in the hot forging process using a hot forging punch, and the hot forging process uses a hot forging punch that has a spherical spline on its front surface, which on the front surface of the engine valve being manufactured is centered on its axis a spherical recess is formed in the longitudinal direction, it is characterized by the fact that the spherical recess on the front surface of the manufactured engine valve is pre-shaped in the process of co-rotating extrusion of the forging, and to create it in this process a co-rotating pre-extrusion punch (1) is used, which, similarly to the hot forging punch has a spherical projection on its front surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL442828A PL442828A1 (en) | 2022-11-15 | 2022-11-15 | Method of shaping a spherical recess on the front surface of an engine valve in the process of its co-extrusion and hot forging |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL442828A PL442828A1 (en) | 2022-11-15 | 2022-11-15 | Method of shaping a spherical recess on the front surface of an engine valve in the process of its co-extrusion and hot forging |
Publications (1)
Publication Number | Publication Date |
---|---|
PL442828A1 true PL442828A1 (en) | 2024-05-20 |
Family
ID=91128900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL442828A PL442828A1 (en) | 2022-11-15 | 2022-11-15 | Method of shaping a spherical recess on the front surface of an engine valve in the process of its co-extrusion and hot forging |
Country Status (1)
Country | Link |
---|---|
PL (1) | PL442828A1 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5273385A (en) * | 1992-06-29 | 1993-12-28 | A. J. Rose Manufacturing Company | Blind hole integral rivet |
CN102728643A (en) * | 2011-04-13 | 2012-10-17 | 北京太尔时代科技有限公司 | Asymmetrical forming method and system, and forming device of asymmetrical pipe fitting |
CN103415359A (en) * | 2011-03-10 | 2013-11-27 | 联邦科学和工业研究组织 | Extrusion of high temperature formable non-ferrous metals |
CN103567763A (en) * | 2013-10-31 | 2014-02-12 | 中北大学 | Large long cone-shaped horn cylinder part extruding forming method |
-
2022
- 2022-11-15 PL PL442828A patent/PL442828A1/en unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5273385A (en) * | 1992-06-29 | 1993-12-28 | A. J. Rose Manufacturing Company | Blind hole integral rivet |
CN103415359A (en) * | 2011-03-10 | 2013-11-27 | 联邦科学和工业研究组织 | Extrusion of high temperature formable non-ferrous metals |
CN102728643A (en) * | 2011-04-13 | 2012-10-17 | 北京太尔时代科技有限公司 | Asymmetrical forming method and system, and forming device of asymmetrical pipe fitting |
CN103567763A (en) * | 2013-10-31 | 2014-02-12 | 中北大学 | Large long cone-shaped horn cylinder part extruding forming method |
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