CN104108012B - The forging method of one seed disk shaft integral part and the mould of use thereof - Google Patents
The forging method of one seed disk shaft integral part and the mould of use thereof Download PDFInfo
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- CN104108012B CN104108012B CN201410361513.5A CN201410361513A CN104108012B CN 104108012 B CN104108012 B CN 104108012B CN 201410361513 A CN201410361513 A CN 201410361513A CN 104108012 B CN104108012 B CN 104108012B
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- forging
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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
Abstract
The forging method of one seed disk shaft integral part, is comprised the steps: sawing machine blanking and is processed by lathe; Then be coated with lubricant post-heating blocking, rear car burr after ball blast be coated with lubricant, reheat die forging, afterwards hull bar intersection, check die forging quality, as qualified then again two fire dead man portions to final size. The duplex forging method that the present invention combines with open die forging by adopting die forging is processed, i.e. die-forging forming disk body, open die forging pulling bar portion; Devise stamp forging mould targetedly, be effectively controlled material deformation extent and evaded deformation dead band; Adopt and spray lubricating system targetedly, be effectively controlled forging surface quality and interior tissue, it is thus achieved that the forging that comprehensive mechanical performance is good; Guarantee the quality stability of the forging of free vortex wheel disc this dish axle integral part forging. Present invention also offers a kind of mould for said method.
Description
Technical field
The present invention relates to the forging processing method of a kind of aircraft engine parts, the forging method of especially a kind of dish axle integrative-structure for aero-engine turbine disk part, present invention also offers a kind of particular manufacturing craft for said method.
Background technology
The free vortex wheel disc part of the use in aero-engine, it is formed by high-temperature alloy material (such as nickel base superalloy) forging, it is the part of dish axle integrative-structure, it is generally adopted forcing press extruding, extruding bar portion while jumping-up disk body, therefore tonnage and required precision to equipment are significantly high, and it is very big that forging quality controls difficulty, abroad China has been carried out blockade on new techniques, therefore at present China to adopt the quality of production being difficult in this way ensure part 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 integral part and the mould of use thereof, to reduce or to avoid problem noted earlier.
For solving above-mentioned technical problem, the invention provides the forging method of a seed disk shaft integral part, described part includes an integrated disk body and a body of rod, and described forging method comprises the steps:
To blank under bar on sawing machine, and with lathe, described blank car gone out an end axle portion, and at described blank both ends of the surface car R5 chamfering, the frustum transition part having inclination angle to be 5 degree between described end axle portion and described blank body portion;
Described blank sprays lubricant, and described blank is heated;
1600T forging press provides set of be former first on mould and the first counterdie, on described first, mould includes a first frustum die cavity becoming 7 degree of inclinations angle with vertical direction, on described first, mould top is provided with a sphere protuberance, described first counterdie is provided with the second frustum die cavity that with vertical direction becomes 7 degree inclinations angle corresponding with described first frustum die cavity, described second frustum die cavity is arranged below the 3rd frustum type chamber from the horizontal by 35 degree of inclinations angle, described 3rd frustum type chamber is arranged below the 4th die cavity for holding described end axle portion, described blank is put into described first counterdie, two gasket rings are placed between mould and described first counterdie on described first, by described forging press, mould on described first is applied pressure, described blank is made to be forged deformation between mould and described first counterdie on described first, often apply a pressure, remove a described gasket ring, described blank is subject to three forging deformations altogether, form just forging,
Described just forging is carried out air-cooled, then its surface is carried out Shot Blasting, afterwards its point of die station rank place car is smoothed;
Glass lubricant at described just forging surface spraying 0.1-0.3mm, then at the transition part sprayed glass lubricant again of the 3rd prismoid section from the horizontal by 35 degree of inclinations angle of described just forging and two ends thereof, the glass lubricant thickness making the transition part at described 3rd prismoid section and two ends thereof reaches 0.4-0.5mm, and described just forging is heated;
Described 1600T forging press provides mould and the second counterdie on set of second, on described second, mould is formpiston, on described second, mould is provided with a frustum protuberance becoming 3 degree of inclinations angle with vertical direction, described frustum protuberance has a 5th frustum die cavity from the horizontal by 10 degree of inclinations angle, described 5th frustum type top of chamber is provided with a 6th frustum die cavity becoming 10 degree of inclinations angle with vertical direction, described second counterdie is former, described second counterdie is provided with the seventh frustum die cavity that with vertical direction become 3 degree inclinations angle corresponding with described frustum protuberance, described 7th frustum die cavity is arranged below the 8th frustum die cavity from the horizontal by 35 degree of inclinations angle, described 8th frustum die cavity is arranged below becoming the 9th frustum die cavity at 3 degree of inclinations angle with vertical direction, described 9th frustum die cavity is arranged below the tenth die cavity for holding described end axle portion, the graphite lubrication oxidant layer forming 0.1-0.2mm is smeared in described second counterdie, then graphitic lubricant is again smeared at described 8th frustum die cavity and with described 9th frustum die cavity connecting portion, described 8th frustum die cavity and the thickness with the graphite lubrication oxidant layer of described 9th frustum die cavity connecting portion thereof is made to reach 0.2-0.4mm, described just forging after heating is put into described second counterdie, by described forging press, mould on described second is applied pressure, to described just die-forging forming of forging, form forging part,
Described forging part is carried out air-cooled, then forging part described in car the prismoid section from the horizontal by 35 degree of inclinations angle and with the junction in axle portion, and check whether defective;
Such as described forging part zero defect, then employing open die forging divides two fire forgings to carry out dead man; Dead man completes the forging of described dish axle integral part after terminating.
Present invention also offers a kind of mould for said method, it for being shaped in forging described dish axle integral part process, described part includes an integrated disk body and a body of rod, described mould include set of be former first on mould and the second counterdie on mould and the first counterdie and set of second, on described first, mould includes a first frustum die cavity becoming 7 degree of inclinations angle with vertical direction, on described first, mould top is provided with a sphere protuberance, described first counterdie is provided with the second frustum die cavity that with vertical direction becomes 7 degree inclinations angle corresponding with described first frustum die cavity, described second frustum die cavity is arranged below the 3rd frustum type chamber from the horizontal by 35 degree of inclinations angle, described 3rd frustum type chamber is arranged below the 4th die cavity for holding described end axle portion, dismountable two gasket rings it are provided with between mould and described first counterdie on described first, on described second, mould is formpiston, on described second, mould is provided with a frustum protuberance becoming 3 degree of inclinations angle with vertical direction, described frustum protuberance has a 5th frustum die cavity from the horizontal by 10 degree of inclinations angle, described 5th frustum type top of chamber is provided with a 6th frustum die cavity becoming 10 degree of inclinations angle with vertical direction, described second counterdie is former, described second counterdie is provided with the seventh frustum die cavity that with vertical direction become 3 degree inclinations angle corresponding with described frustum protuberance, described 7th frustum die cavity is arranged below the 8th frustum die cavity from the horizontal by 35 degree of inclinations angle, described 8th frustum die cavity is arranged below becoming the 9th frustum die cavity at 3 degree of inclinations angle with vertical direction, described 9th frustum die cavity is arranged below the tenth die cavity for holding described end axle portion.
The present invention is directed to the problem that the free vortex wheel disc domestic shortage special equipment of this dish axle integral part used in aero-engine carries out forging processing, by adopting the duplex forging method that die forging combines with open die forging to be processed, i.e. die-forging forming disk body, open die forging pulling bar portion; Devise stamp forging mould targetedly, be effectively controlled material deformation extent and evaded deformation dead band; Adopt and spray lubricating system targetedly, be effectively controlled forging surface quality and interior tissue, it is thus achieved that the forging that comprehensive mechanical performance is good; Guarantee the quality stability of the forging of free vortex wheel disc this dish axle integral part forging.
Accompanying drawing explanation
The following drawings is only intended to, in the present invention being schematically illustrated and explaining, not delimit the scope of the invention. Wherein,
Fig. 1 is shown that the structural representation of a kind of dish axle integral part forged according to the method for a specific embodiment of the present invention;
Fig. 2 is shown that the structural representation of the blank that the part shown in manuscript 1 intercepts;
Fig. 3 is shown that the blank shown in Fig. 2 by the structural representation after lathe process;
Fig. 4 be shown that for the blank in Fig. 3 is processed first on the structural representation of mould and the first counterdie;
Fig. 5 is shown that the structural representation of the first forging that blank forging as shown in Figure 3 processes;
Fig. 6 be shown that for the first forging shown in Fig. 5 is processed second on the structural representation of mould and the second counterdie;
Fig. 7 is shown that the structural representation of the forging part that first forging process as shown in Figure 5 goes out.
Detailed description of the invention
In order to the technical characteristic of the present invention, purpose and effect are more clearly understood from, now comparison accompanying drawing illustrates the specific embodiment of the present invention. Wherein, identical parts adopt identical label.
Just as described in the background section, special equipment and the technology of processing dish axle integral part is lacked for China, thus being difficult to ensure the stable problem of the quality of production of part, the forging method providing a seed disk shaft integral part 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 adopting open die forging pulling bar portion, the design stamp forging mould of the property of the present invention is directed to, thus being effectively controlled material deformation extent and having evaded deformation dead band; Spraying lubricating system targetedly additionally, also adopt, thus being effectively controlled forging surface quality and interior tissue, being derived from the forging that comprehensive mechanical performance is good, ensure that the quality of production of part is stable.
Fig. 1 is shown that the structural representation of a kind of dish axle integral part forged according to the method for a specific embodiment of the present invention; Fig. 2 is shown that the structural representation of the blank that the part shown in manuscript 1 intercepts; Fig. 3 is shown that the blank shown in Fig. 2 by the structural representation after lathe process; Fig. 4 be shown that for the blank in Fig. 3 is processed first on the structural representation of mould and the first counterdie; Fig. 5 is shown that the structural representation of the first forging that blank forging as shown in Figure 3 processes; Fig. 6 be shown that for the first forging shown in Fig. 5 is processed second on the structural representation of mould and the second counterdie; Fig. 7 is shown that the structural representation of the forging part that first forging process as shown in Figure 5 goes out.
Shown in Fig. 1-7, in order to produce stay-in-grade dish axle integral part as shown in Figure 1, the invention provides the forging method of a seed disk shaft integral part, described part 1 includes an integrated disk body 11 and a body of rod 12, and described forging method comprises the steps:
First to blank under bar 2 on sawing machine, shown in Figure 2, described blank 2 is club shaped structure, and with lathe, described blank 2 car gone out an end axle portion 21, and at described blank both ends of the surface car R5 chamfering, the frustum transition part 22 having inclination angle to be 5 degree between described end axle portion 21 and described blank 2 body;
The diameter in described end axle portion 21 is less than the diameter of described blank 2 body, so can so that follow-up forming described disk body 11 by forging described blank 2 body, described frustum transition part 22 can control the deformation extent of metal material in forging process and evade deformation dead band, and the inclination angle of 5 degree is the parameter that can control forging surface quality and interior tissue preferably that inventor chooses through test of many times.
Afterwards, described blank 1 sprays lubricant, and described blank 1 is heated;
Spraying lubricant can effectively control forging surface quality and interior tissue, such as, for nickel base superalloy, can spray the lubricant being numbered GDS-17-1, and described blank 1 is placed in territory, electric furnace effective heating area be heated, preheat temperature 800 ± 10 DEG C, insulation 95-155min, then it is warming up to 970 ± 10 DEG C with stove, is incubated 57-117min
Then, 1600T forging press (not shown) provides set of be former first on mould 31 and the first counterdie 32, shown in Figure 4, on described first, mould 31 includes a first frustum die cavity 311 becoming 7 degree of inclinations angle with vertical direction, on described first, mould 311 top is provided with a sphere protuberance 312, described first counterdie 32 is provided with the second frustum die cavity 321 that with vertical direction becomes 7 degree inclinations angle corresponding with described first frustum die cavity, described second frustum die cavity 321 is arranged below the 3rd frustum type chamber 322 from the horizontal by 35 degree of inclinations angle, described 3rd frustum type chamber 322 is arranged below the 4th die cavity 323 for holding described end axle portion 21, described blank 2 is put into described first counterdie 32, two gasket ring (not shown)s are placed between mould 31 and described first counterdie 32 on described first, by described forging press, mould on described first is executed 31 plus-pressures, described blank 2 is made to be forged deformation between mould 31 and described first counterdie 32 on described first, often apply a pressure, remove a described gasket ring, described blank 2 is subject to three forging deformations altogether, form just forging 4, shown in Figure 5.
The present invention processes for described blank 1 carries out first time die forging by designing mould 31 and the first counterdie 32 on first, thus forming the first forging 4 with plate-like embryo shape, on described first, mould 31 is different and different according to the size of the dish axle integral part 1 to process with diameter dimension with the degree of depth of the die cavity of the first counterdie 32, but, the angle of inclination of each die cavity is the parameter that can control forging surface quality and interior tissue preferably that inventor is chosen by test of many times, and each frustum die cavity effectively can also control the deformation extent of metal material in forging process and evade deformation dead band.
Described sphere protuberance 312 is for forming a spherical depression portion 42 to described just forging 4, so, follow-up, described just forging 4 is carried out in die forging formation disk body process, described spherical depression portion 42 reserves space can to the dilatancy of material, thus ensureing the follow-up deformation extent of die forging process material and the surface quality of forging and interior tissue.
Described gasket ring is used only for controlling the stroke of mould 31 on described first in die forging process, therefore, its structure is hollow and annular, its hollow bulb gets out of the way the die cavity of mould 31 and described first counterdie 32 on described first, described gasket ring thickness can be 15-20mm, in the actual course of processing, size according to described dish axle integral part 1 and the size of described blank 2, multiple described gasket ring can be used, so so that the die forging deformation stroke of each blank is fixed value, forging surface quality and interior tissue can be controlled such that it is able to convenient.
Then, described just forging 4 is carried out air-cooled, then its surface is carried out Shot Blasting, afterwards place 41, its point of die station rank car is smoothed; First forging 4 is carried out Shot Blasting and can make its smooth surface, consequently facilitating follow-up swaging operation, owing to described just forging 4 is jointly to be forged formed by mould 31 on described first and described first counterdie 32, therefore on described first, a point mould place for mould 31 and described first counterdie 32 inevitably has protuberance, it is thus desirable to these protuberance cars are smoothed before carrying out follow-up forging operation, it is to avoid follow-up die forging process affects surface quality and the deformation of material.
Then, shown in Figure 5, glass lubricant at described just forging 4 surface spraying 0.1-0.3mm, then at the transition part sprayed glass lubricant again of the 3rd prismoid section 41 from the horizontal by 35 degree of inclinations angle of described just forging and two ends thereof, the glass lubricant thickness making the transition part at described 3rd prismoid section 41 and two ends thereof reaches 0.4-0.5mm, and described just forging is heated;
Such as, for nickel base superalloy, temperature 800 ± 10 DEG C can be preheated, be incubated 90-150min, be then warming up to 970 ± 10 DEG C with stove, be incubated 54-114min, a die forging afterwards type hammer out.
Certain elongation operation is carried out owing to follow-up die forging adds the bar portion to described just forging 4 of the trade union, therefore, need the transition part time glass lubricant of many sprayings at described 3rd prismoid section 41 and two ends thereof, glass lubricant thickness is made to reach 0.4-0.5mm, thus ensureing that material surface can have enough glass lubricants to exist in the extension process in the described just bar portion of forging 4, it is to avoid forging surface quality and interior tissue go wrong.
Then, shown in Figure 6, described 1600T forging press (not shown) provides mould 51 and the second counterdie 52 on set of second, on described second, mould 51 is formpiston, on described second, mould 51 is provided with a frustum protuberance 511 becoming 3 degree of inclinations angle with vertical direction, described frustum protuberance 511 has a 5th frustum die cavity 512 from the horizontal by 10 degree of inclinations angle, described 5th frustum die cavity 512 top is provided with a 6th frustum die cavity 513 becoming 10 degree of inclinations angle with vertical direction, described second counterdie 52 is former, described second counterdie 52 is provided with the seventh frustum die cavity 521 that with vertical direction become 3 degree inclinations angle corresponding with described frustum protuberance 511, described 7th frustum die cavity 521 is arranged below the 8th frustum die cavity 522 from the horizontal by 35 degree of inclinations angle, described 8th frustum die cavity 522 is arranged below becoming the 9th frustum die cavity 523 at 3 degree of inclinations angle with vertical direction, described 9th frustum die cavity 523 is arranged below the tenth die cavity 524 for holding described end axle portion, smear, in mould 51 and the second counterdie 52, the graphite lubrication oxidant layer forming 0.1-0.2mm on described second, then graphitic lubricant is again smeared at described 8th frustum die cavity 522 and with described 9th frustum die cavity 523 connecting portion, described 8th frustum die cavity 522 and the thickness with the graphite lubrication oxidant layer of described 9th frustum die cavity 523 connecting portion thereof is made to reach 0.2-0.4mm, described just forging 4 after heating is put into described second counterdie 52, by described forging press, mould 51 on described second is applied pressure, to described just 4 die-forging formings of forging, form forging part 6,
The present invention is used for described just forging 4 is carried out second time die forging processing by designing mould 51 and the second counterdie 52 on second, thus forming described disk body 11, and be that the operation of follow-up dead man forms enough bodies of rod, on described second, mould 51 is different and different according to the size of the dish axle integral part 1 to process with diameter dimension with the degree of depth of the die cavity of the second counterdie 52, but, the angle of inclination of each die cavity is the parameter that can control forging surface quality and interior tissue preferably that inventor is chosen by test of many times, and each frustum die cavity effectively can also control the deformation extent of metal material in forging process and evade deformation dead band.
Described 5th frustum die cavity 512 and the 6th frustum die cavity 513 are for reserving space in forming disk body process the dilatancy of material, thus ensureing the deformation extent of die forging process material and the surface quality of forging and interior tissue.
Owing to the bar portion of described just forging 4 can be carried out certain elongation operation by the second time die forging course of processing described just forging 4 is carried out, therefore, need to smear a graphitic lubricant at described 8th frustum die cavity 522 and with described 9th frustum die cavity 523 connecting portion more, described 8th frustum die cavity 522 and the thickness with the graphite lubrication oxidant layer of described 9th frustum die cavity 523 connecting portion thereof is made to reach 0.2-0.4mm, thus can ensure that material surface can have enough glass lubricants to exist in the extension process in the described just bar portion of forging 4, forging surface quality and interior tissue is avoided to go wrong.
Then, described forging part 6 is carried out air-cooled, then forging part 6 described in car the prismoid section 61 from the horizontal by 35 degree of inclinations angle and with the junction in axle portion 62, and check whether defective;
Such as described forging part 6 zero defect, then employing open die forging divides two fire forgings to carry out dead man; Dead man completes the forging of described dish axle integral part 1 after terminating. By aforementioned two step swaging operation, disk body 11 machine-shaping of described dish axle integral part 1, therefore only the described axle portion 62 of described forging part 6 need to be carried out dead man operation, the described body of rod 12 can be processed, add man-hour described forging part 6 is carried out dead man, open die forging mode can be adopted, operator by hand described axle portion 62 is carried out two fire forgings, thus processing the described body of rod 12, the forging processing of described dish axle integral part 1 so far can be completed.
In open die forging dead man process, for nickel base superalloy, the heating parameters of open die forging may be selected to be preheating temperature 800 ± 10 DEG C, is incubated 90-150min, is then warming up to 960 ± 10 DEG C with stove, is incubated 27-87min.
As defective in described forging part 6, then this forging part 6 is scrapped.
Present invention also offers a kind of mould for said method, it for being shaped in forging described dish axle integral part 1 process, described part 1 includes an integrated disk body 11 and a body of rod 12, described mould include set of be former first on mould 51 and the second counterdie 52 on mould 31 and the first counterdie 32 and set of second, on described first, mould 31 includes a first frustum die cavity 311 becoming 7 degree of inclinations angle with vertical direction, on described first, mould 31 top is provided with a sphere protuberance 312, described first counterdie 32 is provided with the second frustum die cavity 321 that with vertical direction becomes 7 degree inclinations angle corresponding with described first frustum die cavity 311, described second frustum die cavity 321 is arranged below the 3rd frustum type chamber 322 from the horizontal by 35 degree of inclinations angle, described 3rd frustum type chamber 322 is arranged below the 4th die cavity 323 for holding described end axle portion, dismountable two gasket rings it are provided with between mould 31 and described first counterdie 32 on described first, on described second, mould 51 is formpiston, on described second, mould 51 is provided with a frustum protuberance 511 becoming 3 degree of inclinations angle with vertical direction, described frustum protuberance 511 has a 5th frustum die cavity 512 from the horizontal by 10 degree of inclinations angle, described 5th frustum die cavity 512 top is provided with a 6th frustum die cavity 513 becoming 10 degree of inclinations angle with vertical direction, described second counterdie 52 is former, described second counterdie 52 is provided with the seventh frustum die cavity 521 that with vertical direction become 3 degree inclinations angle corresponding with described frustum protuberance 511, described 7th frustum die cavity 521 is arranged below the 8th frustum die cavity 522 from the horizontal by 35 degree of inclinations angle, described 8th frustum die cavity 522 is arranged below becoming the 9th frustum die cavity 523 at 3 degree of inclinations angle with vertical direction, described 9th frustum die cavity 523 is arranged below the tenth die cavity 524 for holding described end axle portion.
The present invention is directed to the problem that the free vortex wheel disc domestic shortage special equipment of this dish axle integral part used in aero-engine carries out forging processing, by adopting the duplex forging method that die forging combines with open die forging to be processed, i.e. die-forging forming disk body, open die forging pulling bar portion; Devise stamp forging mould targetedly, be effectively controlled material deformation extent and evaded deformation dead band; Adopt and spray lubricating system targetedly, be effectively controlled forging surface quality and interior tissue, it is thus achieved that the forging that comprehensive mechanical performance is good; Guarantee the quality stability of the forging of free vortex wheel disc this dish axle integral 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 embodiments, but not each embodiment only comprises an independent technical scheme. In description so narration be only used to clear for the purpose of; description should be made as a whole to be understood by those skilled in the art, and technical scheme involved in each embodiment being regarded as, the mode that can be mutually combined into different embodiment is to understand protection scope of the present invention.
The foregoing is only the schematic detailed description of the invention of the present invention, be not limited to the scope of the present invention. Any those skilled in the art, the equivalent variations made under without departing from the design of the present invention and the premise of principle, amendment and combination, the scope of protection of the invention all should be belonged to.
Claims (2)
1. the forging method of a seed disk shaft integral part, described part includes an integrated disk body and a body of rod, it is characterised in that described forging method comprises the steps:
To blank under bar on sawing machine, and with lathe, described blank car gone out an end axle portion, and at described blank both ends of the surface car R5 chamfering, the frustum transition part having inclination angle to be 5 degree between described end axle portion and described blank body portion;
Described blank sprays lubricant, and described blank is heated;
1600T forging press provides set of be former first on mould and the first counterdie, on described first, mould includes a first frustum die cavity becoming 7 degree of inclinations angle with vertical direction, on described first, mould top is provided with a sphere protuberance for first forging is formed a spherical depression portion, described first counterdie is provided with the second frustum die cavity that with vertical direction becomes 7 degree inclinations angle corresponding with described first frustum die cavity, described second frustum die cavity is arranged below the 3rd frustum type chamber from the horizontal by 35 degree of inclinations angle, described 3rd frustum type chamber is arranged below the 4th die cavity for holding described end axle portion, described blank is put into described first counterdie, two gasket rings are placed between mould and described first counterdie on described first, by described forging press, mould on described first is applied pressure, described blank is made to be forged deformation between mould and described first counterdie on described first, often apply a pressure, remove a described gasket ring, described blank is subject to three forging deformations altogether, form just forging,
Described just forging is carried out air-cooled, then its surface is carried out Shot Blasting, afterwards its point of die station rank place car is smoothed;
Glass lubricant at described just forging surface spraying 0.1-0.3mm, then at the transition part sprayed glass lubricant again of the 3rd prismoid section from the horizontal by 35 degree of inclinations angle of described just forging and two ends thereof, the glass lubricant thickness making the transition part at described 3rd prismoid section and two ends thereof reaches 0.4-0.5mm, and described just forging is heated;
Described 1600T forging press provides mould and the second counterdie on set of second, on described second, mould is formpiston, on described second, mould is provided with a frustum protuberance becoming 3 degree of inclinations angle with vertical direction, described frustum protuberance has a 5th frustum die cavity from the horizontal by 10 degree of inclinations angle, described 5th frustum type top of chamber is provided with a 6th frustum die cavity becoming 10 degree of inclinations angle with vertical direction, described 5th frustum die cavity and described 6th frustum die cavity are for reserving space in forming disk body process the dilatancy of material, described second counterdie is former, described second counterdie is provided with the seventh frustum die cavity that with vertical direction become 3 degree inclinations angle corresponding with described frustum protuberance, described 7th frustum die cavity is arranged below the 8th frustum die cavity from the horizontal by 35 degree of inclinations angle, described 8th frustum die cavity is arranged below becoming the 9th frustum die cavity at 3 degree of inclinations angle with vertical direction, described 9th frustum die cavity is arranged below the tenth die cavity for holding described end axle portion, the graphite lubrication oxidant layer forming 0.1-0.2mm is smeared in described second counterdie, then graphitic lubricant is again smeared at described 8th frustum die cavity and with described 9th frustum die cavity connecting portion, described 8th frustum die cavity and the thickness with the graphite lubrication oxidant layer of described 9th frustum die cavity connecting portion thereof is made to reach 0.2-0.4mm, described just forging after heating is put into described second counterdie, by described forging press, mould on described second is applied pressure, to described just die-forging forming of forging, form forging part,
Described forging part is carried out air-cooled, then forging part described in car the prismoid section from the horizontal by 35 degree of inclinations angle and with the junction in axle portion, and check whether defective;
Such as described forging part zero defect, then employing open die forging divides two fire forgings to carry out dead man; Dead man completes the forging of described dish axle integral part after terminating.
2. the mould for the method described in claim 1, for being shaped in forging described dish axle integral part process, described part includes an integrated disk body and a body of rod, it is characterized in that, it include set of be former first on mould and the second counterdie on mould and the first counterdie and set of second, on described first, mould includes a first frustum die cavity becoming 7 degree of inclinations angle with vertical direction, on described first, mould top is provided with a sphere protuberance for first forging is formed a spherical depression portion, described first counterdie is provided with the second frustum die cavity that with vertical direction becomes 7 degree inclinations angle corresponding with described first frustum die cavity, described second frustum die cavity is arranged below the 3rd frustum type chamber from the horizontal by 35 degree of inclinations angle, described 3rd frustum type chamber is arranged below the 4th die cavity for holding described end axle portion, dismountable two gasket rings it are provided with between mould and described first counterdie on described first, on described second, mould is formpiston, on described second, mould is provided with a frustum protuberance becoming 3 degree of inclinations angle with vertical direction, described frustum protuberance has a 5th frustum die cavity from the horizontal by 10 degree of inclinations angle, described 5th frustum type top of chamber is provided with a 6th frustum die cavity becoming 10 degree of inclinations angle with vertical direction, described 5th frustum die cavity and described 6th frustum die cavity are for reserving space in forming disk body process the dilatancy of material, described second counterdie is former, described second counterdie is provided with the seventh frustum die cavity that with vertical direction become 3 degree inclinations angle corresponding with described frustum protuberance, described 7th frustum die cavity is arranged below the 8th frustum die cavity from the horizontal by 35 degree of inclinations angle, described 8th frustum die cavity is arranged below becoming the 9th frustum die cavity at 3 degree of inclinations angle with vertical direction, described 9th frustum die cavity is arranged below the tenth die cavity for holding described end axle portion.
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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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| 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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| CN104108012B true CN104108012B (en) | 2016-06-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| CN115121751B (en) * | 2022-06-27 | 2023-06-16 | 中国航发北京航空材料研究院 | Forming method of nickel-based superalloy hollow turbine disc shaft integrated forging |
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| JPS6123548A (en) * | 1984-07-11 | 1986-02-01 | Goto Tanko Kk | Forging method of flanged axle |
| CN101761542B (en) * | 2009-11-27 | 2011-11-02 | 贵州安大航空锻造有限责任公司 | Large integral disc-shaft forging piece formed by similar isothermal forging |
| CN103934397B (en) * | 2014-05-14 | 2015-12-30 | 上海驳原金属材料有限公司 | Based on engine turbine disk manufacturing process and the device of heat-resisting alloy |
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Address after: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee after: China Hangfa South Industrial Co. Ltd. Address before: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee before: China Southern Airlines Industry (Group) Co., Ltd. |
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