CN115815496A - Forming process of ring-shaped forge piece with inner-diameter deep cavity - Google Patents
Forming process of ring-shaped forge piece with inner-diameter deep cavity Download PDFInfo
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- CN115815496A CN115815496A CN202211601347.2A CN202211601347A CN115815496A CN 115815496 A CN115815496 A CN 115815496A CN 202211601347 A CN202211601347 A CN 202211601347A CN 115815496 A CN115815496 A CN 115815496A
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Abstract
The invention provides a forming process of an inner diameter deep cavity annular forging, which comprises the following steps: ring rolling preforming, die forging preforming, ring rolling finish forging forming and the like. Through the mode, the metal materials with the deep inner diameter cavity are effectively accumulated, the forging flash is reduced, and the forging forming defects are reduced.
Description
Technical Field
The invention relates to the field of forging of parts of an aeroengine, in particular to a forming process of an inner-diameter deep-cavity annular forging.
Background
The aero-engine deep cavity ring forging is difficult to form by adopting the traditional ring rolling process, the design concept of reducing the cavity depth is usually adopted during the forging design, although the success rate of the ring rolling forming is increased, the input of raw materials must be increased, so that the utilization rate of the raw materials is reduced, and the input cost of the raw materials is increased; the metal material of the heavy forging piece flows unevenly, so that the problems of local flash, insufficient filling, serious tool wear and the like are easily caused; meanwhile, the random processing has large protection margin, which causes the increase of the machining production cost.
Disclosure of Invention
In order to solve the problems, the invention provides a forming process of an inner-diameter deep-cavity annular forging, and solves the problems of low material utilization rate and high investment cost of the existing aircraft engine deep-cavity annular forging.
The main content of the invention comprises: a forming process of an inner diameter deep cavity annular forging comprises the following steps:
s1, blanking: cutting and chamfering according to the process requirements;
s2, punching: heating the blank to 1050-1070 ℃ by using a high-temperature gas furnace, and keeping the temperature for 0.5-3 hours; then taking out the blank from the high-temperature gas furnace and transporting the blank to a 3000T press, controlling the transfer time within 30 seconds, upsetting and punching round holes on the blank, and finishing the operation within 180 seconds;
s3, ring rolling preforming I: heating the punched annular forging by a high-temperature gas furnace to 1010-1030 ℃, preserving heat for 0.5-3 hours, taking the annular forging out of the high-temperature gas furnace and transferring the annular forging to an R350 cerclage machine, controlling the transfer time within 30 seconds, putting the annular forging into an inner diameter tool I of a ring rolling preforming tool I, carrying out special-shaped rolling on the annular forging, controlling the rolling amount to be 5-20%, completing the operation within 120 seconds, and controlling the cerclage feeding rate to be 0.6-1.3mm/s to obtain the ring rolling preforming tool I;
s4, die forging and preforming: heating the ring-shaped forged piece subjected to ring rolling preforming for 1050-1070 ℃ by using a high-temperature gas furnace, preserving heat for 0.5-3 hours, taking out the ring-shaped forged piece from the high-temperature gas furnace, transferring the ring-shaped forged piece to a 3000T press, controlling the transfer time within 30 seconds, putting the ring-shaped forged piece into a preforming lower die of a die forging preforming tool, stably putting a preforming upper die above the ring-shaped forged piece under the action of a guide barrel, performing and forging by using a hydraulic press, gradually stacking metal materials with inner diameters in the pressurizing process, and completing the operation within 180 seconds to obtain the die forging preformed forged piece;
s5, ring rolling preforming II: heating a die forging piece which is subjected to die forging preforming by using a high-temperature gas furnace to 1010-1030 ℃, preserving heat for 0.5-3 hours, taking out the annular forging piece from the high-temperature gas furnace, transferring the annular forging piece to an R350 cerclage machine, controlling the transfer time within 30 seconds, putting the die forging preforming forging piece on an inner diameter tool II of a ring rolling preforming tool II, subsequently stably putting an outer diameter tool above the annular forging piece, carrying out special-shaped rolling on the annular forging piece, controlling the rolling amount to be 5-20%, completing the operation within 120 seconds, and controlling the cerclage feeding rate to be 0.6-1.3mm/s to obtain the ring rolling preforming forging piece II;
s6, ring rolling finish forging forming: heating the ring-shaped forge piece which is subjected to ring rolling preforming II by using a high-temperature gas furnace to 1010-1030 ℃, preserving heat for 0.5-3 hours, taking out the ring-shaped forge piece from the high-temperature gas furnace, transferring the ring-shaped forge piece to an R350 ring rolling machine, controlling the transfer time within 30 seconds, placing the ring rolling preforming forge piece II on an inner diameter tool III of a ring rolling finish forging forming tool, subsequently stably placing an outer diameter tool above the ring-shaped forge piece, carrying out special rolling on the ring-shaped forge piece, controlling the rolling amount to be 5-20%, completing the operation within 120 seconds, and controlling the ring rolling feed rate to be 0.6-1.3mm/s to obtain the ring rolling finish forging formed forge piece;
s7, heat treatment: carrying out heat treatment on the product according to standard requirements;
s8, testing: testing the product sample to verify whether the product sample meets the specification requirements;
s9, checking: and inspecting the product according to the requirements of the drawing.
Preferably, a frock in ring rolling preforming includes: the inner diameter tool I of the cuboid-like body is provided with a special-shaped groove corresponding to one side surface of the ring rolling preforming forging I.
Preferably, the die forging preforming tool includes: the pre-forming die comprises a pre-forming upper die and a pre-forming lower die, wherein a forming hole for forming a ring rolling pre-forming forge piece is dug in the lower end face of the pre-forming upper die and the upper end face of the pre-forming lower die, and guide barrels are arranged on the outer sides of the pre-forming upper die and the pre-forming lower die.
Preferably, the ring rolling preforming two-tool comprises: and the lower surface of the outer diameter tool is provided with a groove for accommodating a die forging pre-formed forging piece.
Preferably, the ring rolling finish forging forming tool comprises: and a groove matched with the ring rolling finish forging in shape is dug in the upper surface of the inner diameter tool III, an outer diameter tool is arranged above the inner diameter tool III, a ring rolling pre-forming forging II is arranged on the lower surface of the outer diameter tool, and the surface structure of the outer diameter tool is adapted to the ring rolling finish forging.
The invention has the beneficial effects that:
1. the ring rolling preforming, die forging preforming, ring rolling preforming and ring rolling finish forging forming process is carried out on the deep cavity ring forging, so that the effective accumulation of metal materials in the inner diameter deep cavity is realized, the flash of the forging is reduced, the forming defect of the forging is reduced, and the like;
2. by adopting the forming process in the mode, the utilization rate of raw materials can be obviously improved, and the machining cost is reduced.
Drawings
FIG. 1 is a schematic view of a forging forming process of a forming process of an inner diameter deep cavity annular forging;
FIG. 2 is a cross-sectional view of a ring rolling pre-forming tooling and a ring rolling pre-forming forging;
FIG. 3 is a cross-sectional view of a die forging pre-forming tool and a die forging pre-forming forging;
FIG. 4 is a second cross-sectional view of a ring rolling pre-forming forging piece of a ring rolling pre-forming second tooling;
FIG. 5 is a sectional view of the ring rolling finish forging forming tool and the ring rolling finish forging forming forged piece;
reference numerals: 1-blank, 2-ring rolling preformed forging I, 3-die forging preformed forging, 4-ring rolling preformed forging II, 5-ring rolling finish forging formed forging, 11-inner diameter tooling I, 21-preformed upper die, 22-preformed lower die, 23-guide barrel, 31-outer diameter tooling, 32-inner diameter tooling II and 41-inner diameter tooling III.
Detailed Description
The technical scheme protected by the invention is specifically explained in the following by combining the attached drawings.
Example 1
A forming process of an inner diameter deep cavity annular forging comprises the following steps:
s1, blanking: cutting and chamfering according to the process requirements;
s2, punching: heating the blank to 1050 ℃ by adopting a high-temperature gas furnace, and keeping the temperature for 0.5 hour; then taking out the blank from the high-temperature gas furnace and transporting the blank to a 3000T press, controlling the transfer time within 30 seconds, upsetting and punching round holes on the blank, and finishing the operation within 180 seconds;
s3, ring rolling preforming I: heating the punched ring-shaped forge piece by a high-temperature gas furnace to 1010 ℃, preserving heat for 0.5 hour, taking out the ring-shaped forge piece from the high-temperature gas furnace, transferring the ring-shaped forge piece to an R350 ring rolling machine, controlling the transfer time within 30 seconds, placing the ring-shaped forge piece into a first inner diameter tool of a first ring rolling preforming tool, performing special-shaped rolling on the ring-shaped forge piece, controlling the rolling amount to be 5%, completing the operation within 120 seconds, and controlling the ring rolling feed rate to be 0.6mm/s to obtain a first ring rolling preforming forge piece;
s4, die forging and preforming: heating the ring-shaped forge piece subjected to ring rolling preforming for 1050 ℃ by using a high-temperature gas furnace, preserving heat for 0.5 hour, taking the ring-shaped forge piece out of the high-temperature gas furnace, transferring the ring-shaped forge piece to a 3000T press, controlling the transfer time within 30 seconds, putting the ring-shaped forge piece into a preforming lower die of a die forging preforming tool, subsequently stably placing a preforming upper die above the ring-shaped forge piece under the action of a guide barrel, performing and forging the ring-shaped forge piece by using a hydraulic press, gradually accumulating metal materials with the inner diameter in the pressurizing process, and completing the operation within 180 seconds to obtain the die forging forge piece;
s5, ring rolling preforming II: heating a die forging piece which is subjected to die forging preforming by using a high-temperature gas furnace to 1010 ℃, preserving heat for 0.5 hour, taking out the ring forging piece from the high-temperature gas furnace, transferring the ring forging piece to an R350 ring rolling machine, controlling the transfer time within 30 seconds, putting the die forging preforming forging piece on an inner diameter tool II of a ring rolling preforming tool II, subsequently stably putting an outer diameter tool above the ring forging piece, carrying out special-shaped rolling on the ring forging piece, controlling the rolling amount to be 5 percent, completing the operation within 120 seconds, and controlling the ring rolling feed rate to be 0.6mm/s to obtain a ring rolling preforming forging piece II;
s6, ring rolling finish forging forming: heating the ring-shaped forge piece subjected to ring rolling preforming II by using a high-temperature gas furnace to 1010 ℃, preserving heat for 0.5 hour, taking the ring-shaped forge piece out of the high-temperature gas furnace, transferring the ring-shaped forge piece to an R350 ring rolling machine, controlling the transfer time within 30 seconds, placing the ring-rolling preforming forge piece II on an inner diameter tool III of a ring rolling final forging forming tool, subsequently stably placing an outer diameter tool above the ring-shaped forge piece, carrying out special-shaped rolling on the ring-shaped forge piece, controlling the rolling amount to be 5%, completing the operation within 120 seconds, and controlling the ring rolling feed rate to be 0.6mm/s to obtain the ring rolling final forging forming forge piece;
s7, heat treatment: carrying out heat treatment on the product according to standard requirements;
s8, testing: testing the product sample to verify whether the product sample meets the specification requirements;
s9, checking: and inspecting the product according to the requirements of the drawing.
Example 2
A forming process of an inner diameter deep cavity annular forging comprises the following steps:
s1, blanking: cutting and chamfering according to the process requirements;
s2, punching: heating the blank to 1060 ℃ by a high-temperature gas furnace, and preserving heat for 1 hour; then taking out the blank from the high-temperature gas furnace and transporting the blank to a 3000T press, controlling the transfer time within 30 seconds, upsetting and punching round holes on the blank, and finishing the operation within 180 seconds;
s3, ring rolling preforming I: heating the punched annular forging by using a high-temperature gas furnace to 1015 ℃, preserving heat for 1 hour, taking out the annular forging from the high-temperature gas furnace, transferring the annular forging to an R350 annular binding machine, controlling the transfer time within 30 seconds, putting the annular forging into an inner diameter tool I of an annular rolling preforming tool I, carrying out special-shaped rolling on the annular forging, controlling the rolling quantity to be 8%, completing the operation within 120 seconds, and controlling the annular binding feed rate to be 0.8mm/s to obtain an annular rolling preforming tool I;
s4, die forging preforming: heating the ring-shaped forge piece subjected to ring rolling preforming for 1060 ℃ by using a high-temperature gas furnace, preserving heat for 1 hour, taking the ring-shaped forge piece out of the high-temperature gas furnace, transferring the ring-shaped forge piece to a 3000T press, controlling the transfer time within 30 seconds, placing the ring-shaped forge piece into a preforming lower die of a die forging preforming tool, stably placing a preforming upper die above the ring-shaped forge piece through the action of a guide barrel, performing press forging and forming by using a hydraulic press, gradually accumulating metal materials with inner diameters in the pressing process, and completing the operation within 180 seconds to obtain the die forging preformed forge piece;
s5, ring rolling preforming II: heating a die forging piece which is subjected to die forging preforming by using a high-temperature gas furnace to 1020 ℃, preserving heat for 1 hour, taking out the ring forging piece from the high-temperature gas furnace, transferring the ring forging piece to an R350 ring rolling machine, controlling the transfer time within 30 seconds, placing the die forging preformed forging piece on an inner diameter tool II of a ring rolling preformed second tool, subsequently stably placing an outer diameter tool above the ring forging piece, carrying out special-shaped rolling on the ring forging piece, controlling the rolling amount to be 8%, completing the operation within 120 seconds, and controlling the ring rolling feed rate to be 0.8mm/s to obtain a ring rolling preformed forging piece II;
s6, ring rolling finish forging forming: heating the ring-shaped forge piece subjected to ring rolling preforming II by using a high-temperature gas furnace for 1020 ℃, preserving heat for 1 hour, taking the ring-shaped forge piece out of the high-temperature gas furnace and transferring the ring-shaped forge piece to an R350 ring rolling machine, controlling the transfer time within 30 seconds, placing the ring-rolling preforming forge piece II on an inner diameter tool III of a ring rolling final forging forming tool, subsequently stably placing an outer diameter tool above the ring-shaped forge piece, performing special-shaped rolling on the ring-shaped forge piece, controlling the rolling amount to be 8%, completing the operation within 120 seconds, and controlling the ring rolling feed rate to be 0.8mm/s to obtain the ring rolling final forging forming forge piece;
s7, heat treatment: carrying out heat treatment on the product according to standard requirements;
s8, testing: testing the product sample to verify whether the product sample meets the specification requirements;
s9, checking: and inspecting the product according to the requirements of the drawing.
Example 3
A forming process of an inner diameter deep cavity annular forging comprises the following steps:
s1, blanking: cutting and chamfering according to the process requirements;
s2, punching: heating the blank to 1065 ℃ by adopting a high-temperature gas furnace, and keeping the temperature for 2 hours; then taking out the blank from the high-temperature gas furnace and transporting the blank to a 3000T press, controlling the transfer time within 30 seconds, upsetting and punching round holes on the blank, and finishing the operation within 180 seconds;
s3, ring rolling preforming I: heating the punched annular forging by using a high-temperature gas furnace to 1025 ℃, preserving heat for 2 hours, taking out the annular forging from the high-temperature gas furnace, transferring the annular forging to an R350 cerclage machine, controlling the transfer time within 30 seconds, putting the annular forging into an inner diameter tool I of a ring rolling preforming tool, performing special-shaped rolling on the annular forging, controlling the rolling quantity to be 15%, completing the operation within 120 seconds, and controlling the ring rolling feed rate to be 1mm/s to obtain a ring rolling preforming forging I;
s4, die forging and preforming: heating the ring-shaped forge piece subjected to ring rolling preforming for 1060 ℃ by using a high-temperature gas furnace, preserving heat for 2.5 hours, taking the ring-shaped forge piece out of the high-temperature gas furnace, transferring the ring-shaped forge piece to a 3000T press, controlling the transfer time within 30 seconds, putting the ring-shaped forge piece into a preforming lower die of a die forging preforming tool, stably placing a preforming upper die above the ring-shaped forge piece through the action of a guide barrel, performing forging and forming by using a hydraulic press, gradually accumulating metal materials with inner diameters in the pressurizing process, and completing the operation within 180 seconds to obtain the die forging preformed forge piece;
s5, ring rolling preforming II: heating a die forging piece which is subjected to die forging preforming by using a high-temperature gas furnace to 1030 ℃ and preserving heat for 2 hours, taking out the ring forging piece from the high-temperature gas furnace and transferring the ring forging piece to an R350 ring binding machine, controlling the transfer time within 30 seconds, placing the die forging preforming forging piece on an inner diameter tool II of a ring rolling preforming tool II, subsequently stably placing an outer diameter tool II above the ring forging piece, carrying out special-shaped rolling on the ring forging piece, controlling the rolling amount to be 15%, completing the operation within 120 seconds, and controlling the ring binding feed rate to be 1mm/s to obtain a ring rolling preforming forging piece II;
s6, ring rolling finish forging forming: heating the ring-shaped forge piece subjected to ring rolling preforming II by a high-temperature gas furnace for 1020 ℃, preserving heat for 2 hours, taking the ring-shaped forge piece out of the high-temperature gas furnace, transferring the ring-shaped forge piece to an R350 ring rolling machine, controlling the transfer time within 30 seconds, placing the ring-rolling preforming forge piece II on an inner diameter tool III of a ring rolling final forging forming tool, subsequently stably placing an outer diameter tool above the ring-shaped forge piece, performing special-shaped rolling on the ring-shaped forge piece, controlling the rolling amount to be 15%, completing the operation within 120 seconds, and controlling the ring rolling feed rate to be 1mm/s to obtain the ring rolling final forging forming forge piece;
s7, heat treatment: carrying out heat treatment on the product according to standard requirements;
s8, testing: testing the product sample to verify whether the product meets the specification requirements;
s9, checking: and inspecting the product according to the requirements of the drawing.
Example 4
A forming process of an inner diameter deep cavity annular forging comprises the following steps:
s1, blanking: cutting and chamfering according to the process requirements;
s2, punching: heating the blank to 1070 ℃ by adopting a high-temperature gas furnace, and preserving heat for 3 hours; then taking out the blank from the high-temperature gas furnace and transporting the blank to a 3000T press, controlling the transfer time within 30 seconds, upsetting and punching round holes on the blank, and finishing the operation within 180 seconds;
s3, ring rolling preforming I: heating the punched annular forging by using a high-temperature gas furnace to 1030 ℃ and preserving heat for 3 hours, taking the annular forging out of the high-temperature gas furnace and transferring the annular forging to an R350 cerclage machine, controlling the transfer time within 30 seconds, putting the annular forging into an inner diameter tool I of a ring rolling preforming tool I, performing special-shaped rolling on the annular forging, controlling the rolling quantity to be 20%, completing the operation within 120 seconds, and controlling the cerclage feeding rate to be 1.3mm/s to obtain a ring rolling preforming forging I;
s4, die forging and preforming: heating the ring-shaped forge piece subjected to ring rolling preforming for 1070 ℃ by using a high-temperature gas furnace, preserving heat for 3 hours, taking the ring-shaped forge piece out of the high-temperature gas furnace, transferring the ring-shaped forge piece to a 3000T press, controlling the transfer time within 30 seconds, putting the ring-shaped forge piece into a preforming lower die of a die forging preforming tool, subsequently stably placing a preforming upper die above the ring-shaped forge piece under the action of a guide barrel, performing forging and forming by using a hydraulic press, gradually accumulating metal materials with inner diameters in the pressurizing process, and completing the operation within 180 seconds to obtain the die forging preforming forge piece;
s5, ring rolling preforming II: heating a die forging piece which is subjected to die forging preforming by using a high-temperature gas furnace to 1030 ℃ and preserving heat for 3 hours, taking out the ring forging piece from the high-temperature gas furnace and transferring the ring forging piece to an R350 ring rolling machine, controlling the transfer time within 30 seconds, placing the die forging preforming forging piece on an inner diameter tool II of a ring rolling preforming tool II, subsequently stably placing an outer diameter tool above the ring forging piece, carrying out special-shaped rolling on the ring forging piece, controlling the rolling amount to be 20%, completing the operation within 120 seconds, and controlling the ring rolling feed rate to be 1.3mm/s to obtain a ring rolling preforming forging piece II;
s6, ring rolling finish forging forming: heating the ring-shaped forge piece subjected to ring rolling preforming II by using a high-temperature gas furnace to 1030 ℃, preserving heat for 3 hours, taking the ring-shaped forge piece out of the high-temperature gas furnace, transferring the ring-shaped forge piece to an R350 ring rolling machine, controlling the transfer time within 30 seconds, placing the ring-rolling preforming forge piece II on an inner diameter tool III of a ring rolling final forging forming tool, subsequently stably placing an outer diameter tool above the ring-shaped forge piece, performing special-shaped rolling on the ring-shaped forge piece, controlling the rolling amount to be 20%, completing the operation within 120 seconds, and controlling the ring rolling feed rate to be 1.3mm/s to obtain the ring rolling final forging forming forge piece;
s7, heat treatment: carrying out heat treatment on the product according to standard requirements;
s8, testing: testing the product sample to verify whether the product meets the specification requirements;
s9, checking: and inspecting the product according to the requirements of the drawing.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (5)
1. A forming process of an inner-diameter deep-cavity annular forging is characterized by comprising the following steps:
s1, blanking: cutting and chamfering according to the process requirements;
s2, punching: heating the blank to 1050-1070 ℃ by using a high-temperature gas furnace, and keeping the temperature for 0.5-3 hours; then taking out the blank from the high-temperature gas furnace and transporting the blank to a 3000T press, controlling the transfer time within 30 seconds, upsetting and punching round holes on the blank, and finishing the operation within 180 seconds;
s3, ring rolling preforming I: heating the punched annular forging by a high-temperature gas furnace to 1010-1030 ℃, preserving heat for 0.5-3 hours, taking the annular forging out of the high-temperature gas furnace and transferring the annular forging to an R350 cerclage machine, controlling the transfer time within 30 seconds, putting the annular forging into an inner diameter tool I of a ring rolling preforming tool I, carrying out special-shaped rolling on the annular forging, controlling the rolling amount to be 5-20%, completing the operation within 120 seconds, and controlling the cerclage feeding rate to be 0.6-1.3mm/s to obtain the ring rolling preforming tool I;
s4, die forging and preforming: heating the ring-shaped forge piece which is subjected to ring rolling preforming for 1050-1070 ℃ by using a high-temperature gas furnace, preserving heat for 0.5-3 hours, taking the ring-shaped forge piece out of the high-temperature gas furnace, transferring the ring-shaped forge piece to a 3000T press, controlling the transfer time within 30 seconds, putting the ring-rolling preforming forge piece into a preforming lower die of a die forging preforming tool, stably putting a preforming upper die above the ring-shaped forge piece through the action of a guide barrel, performing forging and forming by using a hydraulic press, gradually accumulating metal materials with inner diameters in the pressurizing process, and completing the operation within 180 seconds to obtain the die forging preforming forge piece;
s5, ring rolling preforming II: heating a die forging piece which is subjected to die forging preforming by using a high-temperature gas furnace to 1010-1030 ℃, preserving heat for 0.5-3 hours, taking out the annular forging piece from the high-temperature gas furnace, transferring the annular forging piece to an R350 cerclage machine, controlling the transfer time within 30 seconds, putting the die forging preforming forging piece on an inner diameter tool II of a ring rolling preforming tool II, subsequently stably putting an outer diameter tool above the annular forging piece, carrying out special-shaped rolling on the annular forging piece, controlling the rolling amount to be 5-20%, completing the operation within 120 seconds, and controlling the cerclage feeding rate to be 0.6-1.3mm/s to obtain the ring rolling preforming forging piece II;
s6, ring rolling finish forging forming: heating the ring-shaped forge piece which is subjected to ring rolling preforming II by using a high-temperature gas furnace to 1010-1030 ℃, preserving heat for 0.5-3 hours, taking the ring-shaped forge piece out of the high-temperature gas furnace, transferring the ring-shaped forge piece to an R350 ring rolling machine, controlling the transfer time within 30 seconds, placing the ring-rolling preforming forge piece II on an inner diameter tool III of a ring rolling finish forging forming tool, subsequently stably placing an outer diameter tool above the ring-shaped forge piece, carrying out special-shaped rolling on the ring-shaped forge piece, controlling the rolling amount to be 5-20%, completing the operation within 120 seconds, and controlling the ring rolling feed rate to be 0.6-1.3mm/s to obtain the ring-rolling finish forging formed forge piece;
s7, heat treatment: carrying out heat treatment on the product according to standard requirements;
s8, testing: testing the product sample to verify whether the product sample meets the specification requirements;
s9, checking: and inspecting the product according to the requirements of the drawing.
2. The forming process of an inner diameter deep cavity ring-shaped forging according to claim 1, wherein the ring rolling pre-forming tool comprises: the inner diameter tool I of the cuboid-like body is provided with a special-shaped groove corresponding to one side surface of the ring rolling preforming forging I.
3. The forming process of the inner diameter deep cavity ring-shaped forging according to claim 1, wherein the die forging pre-forming tool comprises: the pre-forming die comprises a pre-forming upper die and a pre-forming lower die, wherein a forming hole for forming a ring rolling pre-forming forge piece is dug in the lower end face of the pre-forming upper die and the upper end face of the pre-forming lower die, and guide barrels are arranged on the outer sides of the pre-forming upper die and the pre-forming lower die.
4. The forming process of the inner diameter deep cavity ring-shaped forging piece according to claim 1, wherein the ring rolling pre-forming two tools comprise: and the lower surface of the outer diameter tool is provided with a groove for accommodating a die forging pre-formed forging piece.
5. The forming process of the annular forging with the inner diameter and the deep cavity according to claim 1, wherein the ring rolling finish forging forming tool comprises: and a groove matched with the ring rolling finish forging in shape is dug in the upper surface of the inner diameter tool III, an outer diameter tool is arranged above the inner diameter tool III, a ring rolling pre-forming forging II is arranged on the lower surface of the outer diameter tool, and the surface structure of the outer diameter tool is adapted to the ring rolling finish forging.
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| CN202211601347.2A CN115815496A (en) | 2022-12-13 | 2022-12-13 | Forming process of ring-shaped forge piece with inner-diameter deep cavity |
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| CN202211601347.2A CN115815496A (en) | 2022-12-13 | 2022-12-13 | Forming process of ring-shaped forge piece with inner-diameter deep cavity |
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