CN104108012A - Forging method of disc-shaped integrated part and die used for forging method - Google Patents
Forging method of disc-shaped integrated part and die used for forging method Download PDFInfo
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- CN104108012A CN104108012A CN201410361513.5A CN201410361513A CN104108012A CN 104108012 A CN104108012 A CN 104108012A CN 201410361513 A CN201410361513 A CN 201410361513A CN 104108012 A CN104108012 A CN 104108012A
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- frustum
- forging
- die cavity
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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
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/002—Hybrid process, e.g. forging following casting
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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
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
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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
- 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
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Abstract
The invention provides a forging method of a disc-shaped integrated part. The forging method comprises the steps of blanking by use of a sawing machine and processing by use of a lathe, applying a lubricant and heating for pre-forging, next, carrying out shot blasting and applying the lubricant after removing burrs by turning, heating for die forging, and then checking the quality of die forging at the junction of the turned disc and the rod, and if the quality is satisfied, drawing the rod to the final dimension by use of twice firing. The forging method is characterized in that the composite forging method of combined die forming and free forging is adopted for processing, in other words, the disc is formed by virtue of die forming, while the rod is drawn out by virtue of free forging, the targeting die for die forging is designed so that the deformation degree of the material can be effectively controlled and the deformation dead region can be avoided, the targeting spraying lubrication method is adopted so that the surface quality and the internal structure of a forged piece can be effectively controlled and the forged piece having excellent comprehensive mechanical properties can be obtained, and the quality stability of the forged piece produced by use of the disc-shaped integrated part such as a free turbine disc is guaranteed. The invention also provides a die for the method.
Description
Technical field
The present invention relates to a kind of forging processing method of aero-engine part, especially a kind of forging method of the dish axle integrative-structure for aero-engine turbine disk part, the present invention also provides a kind of particular manufacturing craft for said method.
Background technology
The free vortex wheel disc part of the use in aero-engine, for example, to forge and form by high-temperature alloy material (nickel base superalloy), it is the part of dish axle integrative-structure, the general forcing press that adopts pushes, in jumping-up disk body, extrude bar portion, therefore the tonnage to equipment and required precision are very high, and forging quality control difficulty is very large, China has been carried out to blockade on new techniques abroad, therefore current China adopts and is difficult in this way ensure that the quality of production of part is stable.
Summary of the invention
The technical problem to be solved in the present invention is to provide the forging method of a seed disk shaft one part and the mould of use thereof, to reduce or to avoid problem noted earlier.
For solving the problems of the technologies described above, the invention provides the forging method of a seed disk shaft one part, described part comprises an integrated disk body and a body of rod, described forging method comprises the steps:
On sawing machine, to blank under bar, and described blank car is gone out to an end axial region with lathe, and in described blank both ends of the surface car R5 chamfering, between described end axial region and described blank body portion, having inclination angle is the frustum transition part of 5 degree;
On described blank, spray lubricant, and described blank is heated;
Complete the first patrix that is former and the first counterdie is provided on 1600T forging press, described the first patrix comprises a first frustum die cavity that becomes 7 degree inclinations angle with vertical direction, described the first patrix top is provided with a sphere protuberance, described the first counterdie is provided with the second frustum die cavity that with vertical direction becomes 7 degree inclinations angle corresponding with described the first frustum die cavity, described the second frustum die cavity below is provided with the 3rd frustum type chamber from the horizontal by 35 degree inclinations angle, described the 3rd below, frustum type chamber is provided with the 4th die cavity for holding described end axial region, described blank is put into described the first counterdie, between described the first patrix and described the first counterdie, place two gasket rings, by described forging press, described the first patrix is exerted pressure, make described blank between described the first patrix and described the first counterdie by forging deformation, often apply pressure one time, remove a described gasket ring, described blank is subject to forging deformation altogether three times, form just forging,
Described just forging is carried out air-cooled, then Shot Blasting is carried out in its surface, afterwards by level and smooth its parting step place car;
At the described just glass lubricant of forging surface spraying 0.1-0.3mm, then at described just the 3rd frustum portion from the horizontal by 35 degree inclinations angle of forging and the transition part sprayed glass lubricant again at two ends thereof, make the glass lubricant thickness of the transition part at described the 3rd frustum portion and two ends thereof reach 0.4-0.5mm, described just forging is heated;
Complete the second patrix and the second counterdie is provided on described 1600T forging press, described the second patrix is formpiston, described the second patrix is provided with a frustum protuberance that becomes 3 degree inclinations angle with vertical direction, described frustum protuberance has a 5th frustum die cavity from the horizontal by 10 degree inclinations angle, described the 5th frustum type top of chamber is provided with a 6th frustum die cavity that becomes 10 degree inclinations angle with vertical direction, described the second counterdie is former, described the second counterdie is provided with the seven frustum die cavity that with vertical direction become 3 degree inclinations angle corresponding with described frustum protuberance, described the 7th frustum die cavity below is provided with the 8th frustum die cavity from the horizontal by 35 degree inclinations angle, described the 8th frustum die cavity below is provided with the 9th frustum die cavity that becomes 3 degree inclinations angle with vertical direction, described the 9th frustum die cavity below is provided with the tenth die cavity for holding described end axial region, in described the second counterdie, smear the graphitic lubricant layer that forms 0.1-0.2mm, then again smear graphitic lubricant at described the 8th frustum die cavity and with described the 9th frustum die cavity connecting portion, make described the 8th frustum die cavity and reach 0.2-0.4mm with the thickness of the graphitic lubricant layer of described the 9th frustum die cavity connecting portion, described just forging after heating is put into described the second counterdie, by described forging press, described the second patrix is exerted pressure, to described just forging one-off pattern forging molding, form forging part,
Described forging part is carried out air-cooled, then described in car forging part from the horizontal by the frustum portion at 35 degree inclinations angle and with the junction of axial region, and whether check defectiveness;
As described in forging part zero defect, adopt open die forging to divide two fire to forge and carry out dead man; After finishing, dead man completes the forging of described dish axle one part.
The present invention also provides a kind of mould for said method, it is for carrying out moulding in the described dish axle one part process of forging, described part comprises an integrated disk body and a body of rod, described mould comprises complete the first patrix that is former and the first counterdie and complete the second patrix and the second counterdie, described the first patrix comprises a first frustum die cavity that becomes 7 degree inclinations angle with vertical direction, described the first patrix top is provided with a sphere protuberance, described the first counterdie is provided with the second frustum die cavity that with vertical direction becomes 7 degree inclinations angle corresponding with described the first frustum die cavity, described the second frustum die cavity below is provided with the 3rd frustum type chamber from the horizontal by 35 degree inclinations angle, described the 3rd below, frustum type chamber is provided with the 4th die cavity for holding described end axial region, between described the first patrix and described the first counterdie, be provided with dismountable two gasket rings, described the second patrix is formpiston, described the second patrix is provided with a frustum protuberance that becomes 3 degree inclinations angle with vertical direction, described frustum protuberance has a 5th frustum die cavity from the horizontal by 10 degree inclinations angle, described the 5th frustum type top of chamber is provided with a 6th frustum die cavity that becomes 10 degree inclinations angle with vertical direction, described the second counterdie is former, described the second counterdie is provided with the seven frustum die cavity that with vertical direction become 3 degree inclinations angle corresponding with described frustum protuberance, described the 7th frustum die cavity below is provided with the 8th frustum die cavity from the horizontal by 35 degree inclinations angle, described the 8th frustum die cavity below is provided with the 9th frustum die cavity that becomes 3 degree inclinations angle with vertical direction, described the 9th frustum die cavity below is provided with the tenth die cavity for holding described end axial region.
The present invention is directed to the problem that the domestic shortage special equipment of this dish axle of free vortex wheel disc one part using in aero-engine forges processing, process by the duplex forging method that adopts die forging to combine with open die forging, be die-forging forming disk body, open die forging pulling bar portion; Design targetedly stamp forging mould, effectively controlled material deformation degree and evaded distortion dead band; Adopt and spray targetedly lubricating system, effectively controlled forging surface quality and interior tissue, obtain the good forging of comprehensive mechanical performance; Guarantee the quality stability of the forging of this dish axle of free vortex wheel disc one part forging.
Brief description of the drawings
The following drawings is only intended to the present invention to schematically illustrate and explain, not delimit the scope of the invention.Wherein,
What Fig. 1 showed is a kind of structural representation of the dish axle one part forging according to the method for a specific embodiment of the present invention;
What Fig. 2 showed is the structural representation of the blank that intercepts of the part shown in manuscript 1;
What Fig. 3 showed is the structural representation after the blank shown in Fig. 2 is processed by lathe;
What Fig. 4 showed is the first patrix for the blank of Fig. 3 is processed and the structural representation of the first counterdie;
What Fig. 5 showed is the structural representation of the first forging that processes of blank forging as shown in Figure 3;
What Fig. 6 showed is the second patrix for the first forging shown in Fig. 5 is processed and the structural representation of the second counterdie;
What Fig. 7 showed is the structural representation of the forging part that goes out of first forging process as shown in Figure 5.
Detailed description of the invention
Understand for technical characterictic of the present invention, object and effect being had more clearly, now contrast brief description of the drawings the specific embodiment of the present invention.Wherein, identical parts adopt identical label.
Just as described in the background section, lack special equipment and the technology of processing dish axle one part for China, thereby be difficult to ensure the stable problem of the quality of production of part, the forging method that one seed disk shaft one part is provided of the property of the present invention is directed to, its essence is and utilize existing equipment to pass through die-forging forming disk body, then adopt open die forging pulling bar portion, the design stamp forging mould of the property of the present invention is directed to, thus effectively control material deformation degree and evaded distortion dead band; In addition, also adopt and spray targetedly lubricating system, thereby effectively controlled forging surface quality and interior tissue, obtain thus the forging that comprehensive mechanical performance is good, ensure that the quality of production of part is stable.
What Fig. 1 showed is a kind of structural representation of the dish axle one part forging according to the method for a specific embodiment of the present invention; What Fig. 2 showed is the structural representation of the blank that intercepts of the part shown in manuscript 1; What Fig. 3 showed is the structural representation after the blank shown in Fig. 2 is processed by lathe; What Fig. 4 showed is the first patrix for the blank of Fig. 3 is processed and the structural representation of the first counterdie; What Fig. 5 showed is the structural representation of the first forging that processes of blank forging as shown in Figure 3; What Fig. 6 showed is the second patrix for the first forging shown in Fig. 5 is processed and the structural representation of the second counterdie; What Fig. 7 showed is the structural representation of the forging part that goes out of first forging process as shown in Figure 5.
Shown in Fig. 1-7, in order to produce stay-in-grade dish axle one part as shown in Figure 1, the invention provides the forging method of a seed disk shaft one part, described part 1 comprises an integrated disk body 11 and a body of rod 12, and described forging method comprises the steps:
First on sawing machine to blank under bar 2, shown in Figure 2, described blank 2 is club shaped structure, and with lathe by described blank 2 cars go out one end axial region 21, and in described blank both ends of the surface car R5 chamfering, between described end axial region 21 and described blank 2 bodies, having inclination angle is the frustum transition part 22 of 5 degree;
The diameter of described end axial region 21 is less than the diameter of described blank 2 bodies, like this can be so that follow-uply form described disk body 11 by forging described blank 2 bodies, described frustum transition part 22 can be controlled the deformation extent of metal material and evade distortion dead band in forging process, and the inclination angle of 5 degree is the parameter that can control preferably forging surface quality and interior tissue that inventor chooses through test of many times.
Afterwards, on described blank 1, spray lubricant, and described blank 1 is heated;
Spraying lubricant can effectively be controlled forging surface quality and interior tissue, for example, for nickel base superalloy, can spray the lubricant that label is GDS-17-1, and described blank 1 is placed in territory, electric furnace effective heating area and is heated, 800 ± 10 DEG C of preheat temperatures, insulation 95-155min, then be warming up to 970 ± 10 DEG C with stove, insulation 57-117min
Then, complete the first patrix 31 that is former and the first counterdie 32 is provided in 1600T forging press (not shown), shown in Figure 4, described the first patrix 31 comprises a first frustum die cavity 311 that becomes 7 degree inclinations angle with vertical direction, described the first patrix 311 tops are provided with a sphere protuberance 312, described the first counterdie 32 is provided with the second frustum die cavity 321 that with vertical direction becomes 7 degree inclinations angle corresponding with described the first frustum die cavity, described the second frustum die cavity 321 belows are provided with the 3rd frustum type chamber 322 from the horizontal by 35 degree inclinations angle, 322 belows, described the 3rd frustum type chamber are provided with the 4th die cavity 323 for holding described end axial region 21, described blank 2 is put into described the first counterdie 32, between described the first patrix 31 and described the first counterdie 32, place two gasket ring (not shown)s, by described forging press, described the first patrix is executed to 31 plus-pressures, make described blank 2 between described the first patrix 31 and described the first counterdie 32 by forging deformation, often apply pressure one time, remove a described gasket ring, described blank 2 is subject to forging deformation altogether three times, form just forging 4, shown in Figure 5.
The present invention is by designing the first patrix 31 and the first counterdie 32 for described blank 1 being carried out to the processing of die forging for the first time, thereby form the first forging 4 with plate-like embryo shape, the degree of depth of described the first patrix 31 and the die cavity of the first counterdie 32 is different and different according to the size of the dish axle one part 1 that will process with diameter dimension, but, the angle of inclination of each die cavity is the parameter that can control preferably forging surface quality and interior tissue that inventor chooses by test of many times, and each frustum die cavity can also effectively be controlled the deformation extent of metal material and evade distortion dead band in forging process.
Described sphere protuberance 312 is for forming a sphere depressed part 42 to described just forging 4, like this, described just forging 4 is carried out in die forging formation disk body process follow-up, described sphere depressed part 42 reserves space can to the dilatancy of material, thereby ensures the deformation extent of follow-up die forging process material and the surface quality of forging and interior tissue.
Described gasket ring is only for controlling the stroke of described the first patrix 31 of die forging process, therefore, its structure is hollow and annular, its hollow bulb gets out of the way the die cavity of described the first patrix 31 and described the first counterdie 32, described gasket ring thickness can be 15-20mm, in actual process, according to the size of described dish axle one part 1 and the size of described blank 2, can use multiple described gasket rings, can make like this die forging deformation stroke of each blank be fixed value, thereby can control easily forging surface quality and interior tissue.
Then, described just forging 4 is carried out air-cooled, then Shot Blasting is carried out in its surface, afterwards by level and smooth its parting step place 41 cars; First forging 4 is carried out to Shot Blasting and can make its smooth surface, thereby be convenient to follow-up die forging operation, because described just forging 4 is to be formed by described the first patrix 31 and common forging of described the first counterdie 32, therefore inevitably have protuberance at the parting place of described the first patrix 31 and described the first counterdie 32, therefore need to be carrying out before follow-up forging operation, by level and smooth these protuberance cars, avoiding affecting in follow-up die forging process surface quality and the distortion of material.
Then, shown in Figure 5, at the described just glass lubricant of forging 4 surface spraying 0.1-0.3mm, then at described just the 3rd frustum portion 41 from the horizontal by 35 degree inclinations angle of forging and the transition part sprayed glass lubricant again at two ends thereof, make the glass lubricant thickness of the transition part at described the 3rd frustum portion 41 and two ends thereof reach 0.4-0.5mm, described just forging is heated;
For example, for nickel base superalloy, can preheat temperature 800 ± 10 DEG C, insulation 90-150min, is then warming up to 970 ± 10 DEG C with stove, insulation 54-114min, a die forging afterwards type hammer out.
Because follow-up die forging adds trade union, the described just bar portion of forging 4 is carried out to certain elongation operation, therefore, need to be at a glass lubricant of the many sprayings of the transition part at described the 3rd frustum portion 41 and two ends thereof, make glass lubricant thickness reach 0.4-0.5mm, thereby in the extension process of the described just bar portion of forging 4, ensure that material surface can have enough glass lubricants to exist, and avoids forging surface quality and interior tissue to go wrong.
Then, shown in Figure 6, complete the second patrix 51 and the second counterdie 52 is provided in described 1600T forging press (not shown), described the second patrix 51 is formpiston, described the second patrix 51 is provided with a frustum protuberance 511 that becomes 3 degree inclinations angle with vertical direction, described frustum protuberance 511 has a 5th frustum die cavity 512 from the horizontal by 10 degree inclinations angle, described the 5th frustum die cavity 512 tops are provided with a 6th frustum die cavity 513 that becomes 10 degree inclinations angle with vertical direction, described the second counterdie 52 is former, described the second counterdie 52 is provided with the seven frustum die cavity 521 that with vertical direction become 3 degree inclinations angle corresponding with described frustum protuberance 511, described the 7th frustum die cavity 521 belows are provided with the 8th frustum die cavity 522 from the horizontal by 35 degree inclinations angle, described the 8th frustum die cavity 522 belows are provided with the 9th frustum die cavity 523 that becomes 3 degree inclinations angle with vertical direction, described the 9th frustum die cavity 523 belows are provided with the tenth die cavity 524 for holding described end axial region, in described the second patrix 51 and the second counterdie 52, smear the graphitic lubricant layer that forms 0.1-0.2mm, then again smear graphitic lubricant at described the 8th frustum die cavity 522 and with described the 9th frustum die cavity 523 connecting portions, make described the 8th frustum die cavity 522 and reach 0.2-0.4mm with the thickness of the graphitic lubricant layer of described the 9th frustum die cavity 523 connecting portions, described just forging 4 after heating is put into described the second counterdie 52, by described forging press, described the second patrix 51 is exerted pressure, to described just forging 4 one-off pattern forging moldings, form forging part 6,
The present invention is by designing the second patrix 51 and the second counterdie 52 for described just forging 4 is carried out to the processing of die forging for the second time, thereby form described disk body 11, and be that follow-up dead man operation forms enough bodies of rod, the degree of depth of described the second patrix 51 and the die cavity of the second counterdie 52 is different and different according to the size of the dish axle one part 1 that will process with diameter dimension, but, the angle of inclination of each die cavity is the parameter that can control preferably forging surface quality and interior tissue that inventor chooses by test of many times, and each frustum die cavity can also effectively be controlled the deformation extent of metal material and evade distortion dead band in forging process.
Described the 5th frustum die cavity 512 and the 6th frustum die cavity 513 are for reserving space to the dilatancy of material in formation disk body process, thus the deformation extent of guarantee die forging process material and surface quality and the interior tissue of forging.
Owing to can the described just bar portion of forging 4 be carried out to certain elongation operation in described just forging 4 is carried out to die forging process for the second time, therefore, need to smear graphitic lubricant one time at described the 8th frustum die cavity 522 and with described the 9th frustum die cavity 523 connecting portion overbrushings, make described the 8th frustum die cavity 522 and reach 0.2-0.4mm with the thickness of the graphitic lubricant layer of described the 9th frustum die cavity 523 connecting portions, thereby can in the extension process of the described just bar portion of forging 4, ensure that material surface can have enough glass lubricants to exist, avoid forging surface quality and interior tissue to go wrong.
Then, described forging part 6 is carried out air-cooled, then described in car forging part 6 from the horizontal by the frustum portion 61 at 35 degree inclinations angle and with the junction of axial region 62, and whether check defectiveness;
As described in forging part 6 zero defects, adopt open die forging to divide two fire to forge and carry out dead man; After finishing, dead man completes the forging of described dish axle one part 1.By aforementioned two step die forging operations, disk body 11 machine-shaping of described dish axle one part 1, therefore only need carry out dead man operation to the described axial region of described forging part 6 62, can process the described body of rod 12, add man-hour described forging part 6 is carried out to dead man, can adopt open die forging mode, described axial region 62 is carried out to two fire forge by operator is manual, thereby process the described body of rod 12, so far can complete the forging processing of described dish axle one part 1.
In open die forging dead man process, for nickel base superalloy, the heating parameters of open die forging may be selected to be 800 ± 10 DEG C of preheat temperatures, and insulation 90-150min, is then warming up to 960 ± 10 DEG C with stove, insulation 27-87min.
As described in forging part 6 defectiveness, this forging part 6 is scrapped.
The present invention also provides a kind of mould for said method, it is for carrying out moulding in the described dish axle one part of forging 1 process, described part 1 comprises an integrated disk body 11 and a body of rod 12, described mould comprises complete the first patrix 31 that is former and the first counterdie 32 and complete the second patrix 51 and the second counterdie 52, described the first patrix 31 comprises a first frustum die cavity 311 that becomes 7 degree inclinations angle with vertical direction, described the first patrix 31 tops are provided with a sphere protuberance 312, described the first counterdie 32 is provided with the second frustum die cavity 321 that with vertical direction becomes 7 degree inclinations angle corresponding with described the first frustum die cavity 311, described the second frustum die cavity 321 belows are provided with the 3rd frustum type chamber 322 from the horizontal by 35 degree inclinations angle, 322 belows, described the 3rd frustum type chamber are provided with the 4th die cavity 323 for holding described end axial region, between described the first patrix 31 and described the first counterdie 32, be provided with dismountable two gasket rings, described the second patrix 51 is formpiston, described the second patrix 51 is provided with a frustum protuberance 511 that becomes 3 degree inclinations angle with vertical direction, described frustum protuberance 511 has a 5th frustum die cavity 512 from the horizontal by 10 degree inclinations angle, described the 5th frustum die cavity 512 tops are provided with a 6th frustum die cavity 513 that becomes 10 degree inclinations angle with vertical direction, described the second counterdie 52 is former, described the second counterdie 52 is provided with the seven frustum die cavity 521 that with vertical direction become 3 degree inclinations angle corresponding with described frustum protuberance 511, described the 7th frustum die cavity 521 belows are provided with the 8th frustum die cavity 522 from the horizontal by 35 degree inclinations angle, described the 8th frustum die cavity 522 belows are provided with the 9th frustum die cavity 523 that becomes 3 degree inclinations angle with vertical direction, described the 9th frustum die cavity 523 belows are provided with the tenth die cavity 524 for holding described end axial region.
The present invention is directed to the problem that the domestic shortage special equipment of this dish axle of free vortex wheel disc one part using in aero-engine forges processing, process by the duplex forging method that adopts die forging to combine with open die forging, be die-forging forming disk body, open die forging pulling bar portion; Design targetedly stamp forging mould, effectively controlled material deformation degree and evaded distortion dead band; Adopt and spray targetedly lubricating system, effectively controlled forging surface quality and interior tissue, obtain the good forging of comprehensive mechanical performance; Guarantee the quality stability of the forging of this dish axle of free vortex wheel disc one part forging.
Although it will be appreciated by those skilled in the art that the present invention is described according to the mode of multiple embodiment, be not that each embodiment only comprises an independently technical scheme.For the purpose of in description, so narration is only used to know; those skilled in the art should make description as a wholely to be understood, and regard technical scheme related in each embodiment as the mode that can mutually be combined into different embodiment understand protection scope of the present invention.
The foregoing is only the schematic detailed description of the invention of the present invention, not in order to limit scope of the present invention.Any those skilled in the art, not departing from equivalent variations, amendment and the combination done under the prerequisite of design of the present invention and principle, all should belong to the scope of protection of the invention.
Claims (2)
1. the forging method of a seed disk shaft one part, described part comprises an integrated disk body and a body of rod, it is characterized in that, described forging method comprises the steps:
On sawing machine, to blank under bar, and described blank car is gone out to an end axial region with lathe, and in described blank both ends of the surface car R5 chamfering, between described end axial region and described blank body portion, having inclination angle is the frustum transition part of 5 degree;
On described blank, spray lubricant, and described blank is heated;
Complete the first patrix that is former and the first counterdie is provided on 1600T forging press, described the first patrix comprises a first frustum die cavity that becomes 7 degree inclinations angle with vertical direction, described the first patrix top is provided with a sphere protuberance, described the first counterdie is provided with the second frustum die cavity that with vertical direction becomes 7 degree inclinations angle corresponding with described the first frustum die cavity, described the second frustum die cavity below is provided with the 3rd frustum type chamber from the horizontal by 35 degree inclinations angle, described the 3rd below, frustum type chamber is provided with the 4th die cavity for holding described end axial region, described blank is put into described the first counterdie, between described the first patrix and described the first counterdie, place two gasket rings, by described forging press, described the first patrix is exerted pressure, make described blank between described the first patrix and described the first counterdie by forging deformation, often apply pressure one time, remove a described gasket ring, described blank is subject to forging deformation altogether three times, form just forging,
Described just forging is carried out air-cooled, then Shot Blasting is carried out in its surface, afterwards by level and smooth its parting step place car;
At the described just glass lubricant of forging surface spraying 0.1-0.3mm, then at described just the 3rd frustum portion from the horizontal by 35 degree inclinations angle of forging and the transition part sprayed glass lubricant again at two ends thereof, make the glass lubricant thickness of the transition part at described the 3rd frustum portion and two ends thereof reach 0.4-0.5mm, described just forging is heated;
Complete the second patrix and the second counterdie is provided on described 1600T forging press, described the second patrix is formpiston, described the second patrix is provided with a frustum protuberance that becomes 3 degree inclinations angle with vertical direction, described frustum protuberance has a 5th frustum die cavity from the horizontal by 10 degree inclinations angle, described the 5th frustum type top of chamber is provided with a 6th frustum die cavity that becomes 10 degree inclinations angle with vertical direction, described the second counterdie is former, described the second counterdie is provided with the seven frustum die cavity that with vertical direction become 3 degree inclinations angle corresponding with described frustum protuberance, described the 7th frustum die cavity below is provided with the 8th frustum die cavity from the horizontal by 35 degree inclinations angle, described the 8th frustum die cavity below is provided with the 9th frustum die cavity that becomes 3 degree inclinations angle with vertical direction, described the 9th frustum die cavity below is provided with the tenth die cavity for holding described end axial region, in described the second counterdie, smear the graphitic lubricant layer that forms 0.1-0.2mm, then again smear graphitic lubricant at described the 8th frustum die cavity and with described the 9th frustum die cavity connecting portion, make described the 8th frustum die cavity and reach 0.2-0.4mm with the thickness of the graphitic lubricant layer of described the 9th frustum die cavity connecting portion, described just forging after heating is put into described the second counterdie, by described forging press, described the second patrix is exerted pressure, to described just forging one-off pattern forging molding, form forging part,
Described forging part is carried out air-cooled, then described in car forging part from the horizontal by the frustum portion at 35 degree inclinations angle and with the junction of axial region, and whether check defectiveness;
As described in forging part zero defect, adopt open die forging to divide two fire to forge and carry out dead man; After finishing, dead man completes the forging of described dish axle one part.
2. the mould for method claimed in claim 1, for carrying out moulding in the described dish axle one part process of forging, described part comprises an integrated disk body and a body of rod, it is characterized in that, it comprises complete the first patrix that is former and the first counterdie and complete the second patrix and the second counterdie, described the first patrix comprises a first frustum die cavity that becomes 7 degree inclinations angle with vertical direction, described the first patrix top is provided with a sphere protuberance, described the first counterdie is provided with the second frustum die cavity that with vertical direction becomes 7 degree inclinations angle corresponding with described the first frustum die cavity, described the second frustum die cavity below is provided with the 3rd frustum type chamber from the horizontal by 35 degree inclinations angle, described the 3rd below, frustum type chamber is provided with the 4th die cavity for holding described end axial region, between described the first patrix and described the first counterdie, be provided with dismountable two gasket rings, described the second patrix is formpiston, described the second patrix is provided with a frustum protuberance that becomes 3 degree inclinations angle with vertical direction, described frustum protuberance has a 5th frustum die cavity from the horizontal by 10 degree inclinations angle, described the 5th frustum type top of chamber is provided with a 6th frustum die cavity that becomes 10 degree inclinations angle with vertical direction, described the second counterdie is former, described the second counterdie is provided with the seven frustum die cavity that with vertical direction become 3 degree inclinations angle corresponding with described frustum protuberance, described the 7th frustum die cavity below is provided with the 8th frustum die cavity from the horizontal by 35 degree inclinations angle, described the 8th frustum die cavity below is provided with the 9th frustum die cavity that becomes 3 degree inclinations angle with vertical direction, described the 9th frustum die cavity below is provided with the tenth die cavity for holding described end axial region.
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| CN201410361513.5A CN104108012B (en) | 2014-07-28 | 2014-07-28 | The forging method of one seed disk shaft integral part and the mould of use thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105728631A (en) * | 2014-12-10 | 2016-07-06 | 陕西宏远航空锻造有限责任公司 | Forging method for maraging steel disc-shaft integrated forged piece |
| CN106378403A (en) * | 2016-08-31 | 2017-02-08 | 无锡派克新材料科技股份有限公司 | Switching section molding method |
| CN110722079A (en) * | 2019-10-17 | 2020-01-24 | 浙江众通汽车零部件有限公司 | Preparation process of vertical forged shaft forging |
| CN111922275A (en) * | 2020-06-12 | 2020-11-13 | 中煤北京煤矿机械有限责任公司 | Die for machining middle cylinder piston head forging |
| CN112453305A (en) * | 2020-10-29 | 2021-03-09 | 中国航发南方工业有限公司 | Forming die and method for inhibiting local extrusion cracks |
| CN112719173A (en) * | 2020-12-18 | 2021-04-30 | 陕西宏远航空锻造有限责任公司 | Forging method of 15-5PH disc shaft integrated forging |
| CN112808911A (en) * | 2020-12-18 | 2021-05-18 | 贵阳安大宇航材料工程有限公司 | Machining method of GH4169 disc shaft integrated forging |
| CN112935162A (en) * | 2021-01-29 | 2021-06-11 | 中国第二重型机械集团德阳万航模锻有限责任公司 | Method for selectively lubricating and forming large-scale aluminum alloy edge strip type forge piece |
| CN113680939A (en) * | 2021-08-28 | 2021-11-23 | 湖北三环锻造有限公司 | T-arm sinking type upsetting die |
| CN114160730A (en) * | 2021-12-06 | 2022-03-11 | 陕西宏远航空锻造有限责任公司 | Manufacturing method of rear shaft forging of large-size variable-section GH4169 alloy power turbine |
| CN115121751A (en) * | 2022-06-27 | 2022-09-30 | 中国航发北京航空材料研究院 | Forming method of nickel-based high-temperature alloy hollow turbine disc shaft integrated forging |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105728631A (en) * | 2014-12-10 | 2016-07-06 | 陕西宏远航空锻造有限责任公司 | Forging method for maraging steel disc-shaft integrated forged piece |
| CN106378403A (en) * | 2016-08-31 | 2017-02-08 | 无锡派克新材料科技股份有限公司 | Switching section molding method |
| CN110722079A (en) * | 2019-10-17 | 2020-01-24 | 浙江众通汽车零部件有限公司 | Preparation process of vertical forged shaft forging |
| CN110722079B (en) * | 2019-10-17 | 2021-01-01 | 浙江众通汽车零部件有限公司 | Preparation process of vertical forged shaft forging |
| CN111922275A (en) * | 2020-06-12 | 2020-11-13 | 中煤北京煤矿机械有限责任公司 | Die for machining middle cylinder piston head forging |
| CN112453305B (en) * | 2020-10-29 | 2022-08-09 | 中国航发南方工业有限公司 | Forming die and method for inhibiting local extrusion cracks |
| CN112453305A (en) * | 2020-10-29 | 2021-03-09 | 中国航发南方工业有限公司 | Forming die and method for inhibiting local extrusion cracks |
| CN112719173A (en) * | 2020-12-18 | 2021-04-30 | 陕西宏远航空锻造有限责任公司 | Forging method of 15-5PH disc shaft integrated forging |
| CN112808911A (en) * | 2020-12-18 | 2021-05-18 | 贵阳安大宇航材料工程有限公司 | Machining method of GH4169 disc shaft integrated forging |
| CN112719173B (en) * | 2020-12-18 | 2023-03-14 | 陕西宏远航空锻造有限责任公司 | Forging method of 15-5PH disc shaft integrated forging |
| CN112935162A (en) * | 2021-01-29 | 2021-06-11 | 中国第二重型机械集团德阳万航模锻有限责任公司 | Method for selectively lubricating and forming large-scale aluminum alloy edge strip type forge piece |
| CN113680939A (en) * | 2021-08-28 | 2021-11-23 | 湖北三环锻造有限公司 | T-arm sinking type upsetting die |
| CN113680939B (en) * | 2021-08-28 | 2023-09-01 | 湖北三环锻造有限公司 | T-arm sinking upsetting die |
| CN114160730A (en) * | 2021-12-06 | 2022-03-11 | 陕西宏远航空锻造有限责任公司 | Manufacturing method of rear shaft forging of large-size variable-section GH4169 alloy power turbine |
| CN115121751A (en) * | 2022-06-27 | 2022-09-30 | 中国航发北京航空材料研究院 | Forming method of nickel-based high-temperature alloy hollow turbine disc shaft integrated forging |
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