CN104707931A - Manufacturing method for large high-temperature alloy disk-type die forging parts - Google Patents
Manufacturing method for large high-temperature alloy disk-type die forging parts Download PDFInfo
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- CN104707931A CN104707931A CN201510098695.6A CN201510098695A CN104707931A CN 104707931 A CN104707931 A CN 104707931A CN 201510098695 A CN201510098695 A CN 201510098695A CN 104707931 A CN104707931 A CN 104707931A
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- forging
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- waste base
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/28—Making machine elements wheels; discs
- B21K1/32—Making machine elements wheels; discs discs, e.g. disc wheels
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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
- B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
- B21J1/02—Preliminary treatment of metal stock without particular shaping, e.g. salvaging segregated zones, forging or pressing in the rough
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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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- 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
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/08—Upsetting
Abstract
The invention provides a manufacturing method for large high-temperature alloy disk-type die forging parts. The manufacturing method comprises the steps that a high-temperature alloy bar is subjected to variable-speed cake upsetting by stages and manufactured into cake blanks; the cake blanks are subjected to inner bore machining treatment and manufactured into billets; the billets are placed into a forging die, subjected to variable-speed forging by stages and manufactured into the high-temperature alloy disk-type die forging parts. By means of the manufacturing method, the large high-temperature alloy disk-type die forging parts can be manufactured on a small-tonnage die-forging hydraulic press; on the basis of guaranteeing that the mechanical performance, the metallographic structure and ultrasonic flow detection of the die forging parts meet the standard requirements, the machining cycle of the large high-temperature alloy disk-type die forging parts is shortened, the utilization rate of precious metal is increased, and the production cost is lowered.
Description
Technical field
The invention belongs to technical field of forging, be specifically related to a kind of manufacture method of large-sized high-temperature alloy dish class forging part.
Background technology
Now, the demand of all trades and professions to high temperature alloy dish class forging part grows with each passing day, especially the demand of large-sized high-temperature alloy dish class forging part.Large-sized high-temperature alloy dish class forging part manufacture difficulty is very large, normally completes on the stamp forging hydraulic press that tonnage is larger, the less stamp forging hydraulic press of tonnage due to its maximum load limited, be difficult to the die forging of large-sized high-temperature alloy dish class forging part.The large-scale GH4698 alloy turbine dish forging part of naval gas turbine as large-scale in certain type, external similar alloy turbine disk forging part is shaped at 750MN stamp forging hydraulic press die forging.The stamp forging hydraulic press limited amount that this tonnage is larger, and production cost is higher, is difficult to meet the growing user demand of large-sized high-temperature alloy dish class forging part.Therefore, in prior art, although adopt open die forging upsetting cake to meet the research and production requirement of model in early stage, but this kind of explained hereafter cost is larger, production cycle is long, in post-production process, the loss of precious metal is comparatively serious, and metal streamline is substantially cut-off, can not ensure that the mechanical property of forging part, metallographic structure and ultrasonic examination etc. meet standard-required.
Therefore, need to update high temperature alloy dish class forging part, the especially manufacture method of large-sized high-temperature alloy dish class forging part, to meet growing user demand.
Summary of the invention
The invention provides a kind of manufacture method of large-sized high-temperature alloy dish class forging part, to solve in prior art the problem being difficult to produce large-sized high-temperature alloy dish class forging part on the stamp forging hydraulic press that tonnage is less.
The embodiment of the invention discloses a kind of manufacture method of large-sized high-temperature alloy dish class forging part, comprising:
High temperature alloy bar is carried out speed change degree upsetting cake process stage by stage, prepare biscuit;
Described biscuit is carried out machine and adds endoporus process, prepare waste base;
Described waste base is placed in forging mold and carries out speed change degree conducting forging processing stage by stage, manufacture high temperature alloy dish class forging part.
In conjunction with such scheme, in the implementation that the first is possible, describedly high temperature alloy bar is carried out speed change degree upsetting cake process stage by stage, prepares taking a step forward of biscuit and comprise:
Preparation is applicable to the forging mold of high temperature alloy dish class forging part.
In conjunction with the first possible implementation of such scheme, in the implementation that the second is possible, increase draft angle is carried out to described forging mold and increases fillet process, the flow resistance of high temperature alloy metal during to reduce to forge.
In conjunction with the first possible implementation of such scheme or such scheme, in the implementation that the third is possible, describedly high temperature alloy bar is carried out speed change degree upsetting cake process stage by stage, prepares biscuit and comprise:
Heat after high temperature alloy bar being carried out the process of compound jacket, preparation is heated to the high temperature alloy bar of temperature;
The described high temperature alloy bar being heated to temperature is carried out speed change degree upsetting cake process stage by stage, prepares biscuit.
In conjunction with the third possible implementation of such scheme, in the 4th kind of possible implementation, the process of the described degree of speed change stage by stage upsetting cake comprises idle running stage and pressing stage, the upsetting cake processing speed arranged in the described idle running stage is for reducing the heat loss of described high temperature alloy billet surface thus improving the initial processing temperature of described high temperature alloy bar, the upsetting cake processing speed arranged in described pressing stage is for guaranteeing to heat up less and guarantee the rational processing time in the inside of described high temperature alloy bar, the upsetting cake processing speed in described idle running stage is greater than the upsetting cake processing speed of described pressing stage.
In conjunction with the first possible implementation of such scheme or such scheme, in the 5th kind of possible implementation, describedly described biscuit carried out machine add endoporus process, prepare waste base and comprise:
Determine the diameter needing the endoporus that machine adds on described biscuit;
Diameter machine according to described endoporus on described biscuit adds described endoporus, prepares waste base.
In conjunction with the first possible implementation of such scheme or such scheme, in the 6th kind of possible implementation, describedly described waste base be placed in forging mold carry out speed change degree conducting forging processing stage by stage, manufacture high-temperature alloy die forging piece and comprise:
Heat after described waste base is carried out the process of compound jacket, preparation is heated to the waste base of temperature;
The described waste base being heated to temperature is placed in forging mold and carries out speed change degree conducting forging processing stage by stage, manufacture high temperature alloy dish class forging part.
In conjunction with the 6th kind of possible implementation of such scheme, in the 7th kind of possible implementation, the described degree of speed change stage by stage conducting forging processing comprises the idle running stage, pressing stage and be pressed against the stage, the conducting forging processing speed arranged in the described idle running stage is for reducing the heat loss on described waste base surface thus improving the initial processing temperature of described waste base, the conducting forging processing speed arranged in described pressing stage is for guaranteeing to heat up less and guarantee the rational processing time in the inside of described waste base, the described conducting forging processing speed that arranges in the stage of being pressed against is for reducing the final process load of described waste base and guaranteeing the rational processing time, the conducting forging processing speed in described idle running stage is greater than the conducting forging processing speed of described pressing stage, the conducting forging processing speed in stage is pressed against described in the conducting forging processing speed of described pressing stage is greater than.
Manufacture method provided by the invention achieves produces large-sized high-temperature alloy dish class forging part on the stamp forging hydraulic press that tonnage is less, ensureing that the mechanical property of forging part, metallographic structure, ultrasonic examination meet on the basis of standard-required, shorten the process-cycle of large-sized high-temperature alloy dish class forging part, improve the utilization rate of precious metal, reduce production cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The manufacture method flow chart of a kind of large-sized high-temperature alloy dish class forging part that Fig. 1 provides for first embodiment of the invention;
The manufacture method flow chart of a kind of large-sized high-temperature alloy dish class forging part that Fig. 2 provides for second embodiment of the invention;
The manufacture method flow chart of a kind of large-sized high-temperature alloy dish class forging part that Fig. 3 provides for third embodiment of the invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiments providing a kind of manufacture method of large-sized high-temperature alloy dish class forging part, for producing large-sized high-temperature alloy dish class forging part on the stamp forging hydraulic press that tonnage is less, below will be described in detail to method of the present invention.
With reference to the manufacture method flow chart of the large-sized high-temperature alloy dish class forging part that Fig. 1, Fig. 1 provide for first embodiment of the invention, this manufacture method comprises:
101, high temperature alloy bar is carried out speed change degree upsetting cake process stage by stage, prepare biscuit;
102, biscuit is carried out machine and add endoporus process, prepare waste base;
103, waste base is placed in forging mold and carries out speed change degree conducting forging processing stage by stage, manufacture high temperature alloy dish class forging part.
The manufacture method of a kind of large-sized high-temperature alloy dish class forging part that first embodiment of the invention provides, by speed change degree upsetting cake stage by stage and conducting forging processing and carry out machine add the mode that endoporus process place combines on biscuit, increase the Radial Flow of high temperature alloy metal, the flow resistance of high temperature alloy metal when reducing to forge, ensure that there is sufficient deflection in each region of forging part, reduce resistance of deformation during forging, finally achieve and produce large-sized high-temperature alloy dish class forging part on the stamp forging hydraulic press that tonnage is less.
With reference to the manufacture method flow chart of the large-sized high-temperature alloy dish class forging part that Fig. 2, Fig. 2 provide for second embodiment of the invention, this manufacture method comprises:
201, preparation is applicable to the forging mold of high temperature alloy dish class forging part;
202, high temperature alloy bar is carried out speed change degree upsetting cake process stage by stage, prepare biscuit;
203, biscuit is carried out machine and add endoporus process, prepare waste base;
204, waste base is placed in forging mold and carries out speed change degree conducting forging processing stage by stage, manufacture high temperature alloy dish class forging part.
The manufacture method of a kind of large-sized high-temperature alloy dish class forging part that second embodiment of the invention provides, by carrying out adaptive improvement to forging mold, speed change degree upsetting cake and conducting forging processing and carry out machine add the mode that endoporus process place combines on biscuit stage by stage, increase the Radial Flow of high temperature alloy metal, the flow resistance of high temperature alloy metal when reducing to forge, ensure that there is sufficient deflection in each region of forging part ensures that forging part filling is complete, reduce resistance of deformation during forging, finally achieve and produce large-sized high-temperature alloy dish class forging part on the stamp forging hydraulic press that tonnage is less.
With reference to the manufacture method flow chart of the large-sized high-temperature alloy dish class forging part that Fig. 3, Fig. 3 provide for third embodiment of the invention, this manufacture method comprises:
301, preparation is applicable to the forging mold of high temperature alloy dish class forging part;
In this step, first analyze size, maximum projection plane's sum minimum/maximum thickness of the product coarse workpiece produced by the high temperature alloy dish class forging part preparing to manufacture, and the feature of product coarse workpiece and the material etc. selected, then the minimum monolateral surplus of high temperature alloy dish class forging part is determined, adopt 45 ° of pattern drafts for the region that cross section drop is larger, it is metal filled that this gradient is easy to high temperature alloy simultaneously.According to aforementioned schemes, preparation is applicable to the forging mold of this high temperature alloy dish class forging part, and carries out increase draft angle to this forging mold and increase fillet process.Because high temperature alloy metal fluidity is poor, increase draft angle process to this forging mold, metal flow resistance when can reduce to forge, ensures that forging part filling is complete; The process of increase fillet is carried out to this forging mold, can ensure that the local final filling of difficult fill area of forging part is complete.
302, heat after high temperature alloy bar being carried out the process of compound jacket, preparation is heated to the high temperature alloy bar of temperature;
In this step, first the process of compound jacket is carried out to the high temperature alloy bar by specification blanking before heating, then temperature uniformity is used to be that the high-temperature electric resistance furnace of ± 5 DEG C heats this high temperature alloy bar, a period of time is incubated when furnace temperature reaches preset temperature, thus this high temperature alloy bar is heated to desired temperature, then this is heated to temperature high temperature alloy bar shift out resistance furnace fast, guarantee high temperature alloy bar transfer time≤30S.In whole heating process, the temperature rise period need ensure more than two hours, guarantees the abundant heat penetration of high temperature alloy bar and reaches desired temperature, the temperature that the general reference line of this desired temperature is general in the industry.Before heating, the process of compound jacket is carried out to high temperature alloy bar, the thermal losses of high temperature alloy bar in transfer process can be reduced, be conducive to treatment temperature when improving follow-up upsetting cake process, reduce the resistance of deformation during forging of high temperature alloy bar.
303, the high temperature alloy bar being heated to temperature is carried out speed change degree upsetting cake process stage by stage, prepare biscuit;
In this step, adopt stamp forging hydraulic press to carry out speed change degree upsetting cake process stage by stage to the high temperature alloy bar that this is heated to temperature, prepare biscuit.Usually, treatment temperature is herein determined according to the projected area and Specifications preparing the high temperature alloy dish class forging part manufactured.Adopt speed change degree upsetting cake processing mode stage by stage, to obtain the uniform biscuit of original structure.This stage by stage the process of speed change degree upsetting cake comprise idle running stage and pressing stage, the upsetting cake processing speed arranged in the idle running stage is for reducing the heat loss of high temperature alloy billet surface thus improving the initial processing temperature of high temperature alloy bar, the upsetting cake processing speed arranged in pressing stage is for guaranteeing to heat up less and guarantee the rational processing time in the inside of high temperature alloy bar, and the upsetting cake processing speed in idle running stage is greater than the upsetting cake processing speed of pressing stage.
Particularly, the idle running stage refers to that stamp forging hydraulic press controls patrix and falls from eminence until contact the process before high temperature alloy bar, the upsetting cake processing speed that this stage is arranged is generally the fastest processing speed that stamp forging hydraulic press can reach, reduce the time in this stage as far as possible, to reduce the heat loss of high temperature alloy billet surface, thus improve the initial processing temperature of high temperature alloy bar, pressing stage refers to that stamp forging hydraulic press controls patrix and contacts with high temperature alloy bar and high temperature alloy bar be pressed into the process of biscuit, in pressing process, high temperature alloy bar internal temperature can raise, the upsetting cake processing speed that this stage is arranged should guarantee that the inside of high temperature alloy bar is heated up less, also to guarantee that the processing time in this stage is more reasonable, and the upsetting cake processing speed in this stage is determined according to the thickness vertical dimension difference of this processing time and high temperature alloy bar and biscuit, finally determine relevant smithing technological parameter according to the rising condition of high temperature alloy bar internal temperature in this processing time and pressing process, in the processing time general reference industry in this stage, the general processing time sets.
Before the process of upsetting cake starts, need carry out preheating by the mould used to upsetting cake, bar both ends of the surface should pad the insulation asbestos sprinkled with graphite powder simultaneously.After the process of upsetting cake terminates, the jacket on biscuit is scattered, biscuit is cooled in atmosphere naturally.
304, the diameter needing the endoporus that machine adds on biscuit is determined;
In this step, after the high temperature alloy dish class forging part finish-forging preparing to manufacture by ex ante analysis completes, whether whether complete, the strain field distribution of filling is evenly and the finish-forging load whether factor such as within the scope of the maximum load of hydraulic press, determines the diameter needing the endoporus that machine adds on biscuit.
305, the diameter machine according to endoporus on biscuit adds endoporus, prepares waste base;
In this step, according to the diameter of the above-mentioned endoporus determined, on biscuit, machine adds this endoporus, prepares waste base.Machine is carried out to biscuit and adds endoporus process, the Radial Flow of high temperature alloy metal can be increased, ensure that there is sufficient deflection in each region of final forging part, be conducive to resistance of deformation when reducing the forging of waste mold.
306, heat after waste base being carried out the process of compound jacket, preparation is heated to the waste base of temperature;
In this step; first the process of compound jacket is carried out to waste base before heating; then temperature uniformity is used to be that the high-temperature electric resistance furnace of ± 5 DEG C heats this waste base; a period of time is incubated when furnace temperature reaches preset temperature; thus this waste base is heated to desired temperature; then this is heated to temperature waste base shift out resistance furnace fast, guarantee waste base transfer time≤30S.In whole heating process, the temperature rise period need ensure more than two hours, guarantees the abundant heat penetration of waste base and reaches desired temperature, the temperature that the general reference line of this desired temperature is general in the industry.Before heating, the process of compound jacket is carried out to waste base, the thermal losses of waste base in transfer process can be reduced, be conducive to treatment temperature when improving follow-up conducting forging processing, reduce the resistance of deformation during forging of waste base.
307, the waste base being heated to temperature is placed in forging mold and carries out speed change degree conducting forging processing stage by stage, manufacture high temperature alloy dish class forging part.
In this step, the waste base being heated to temperature is placed in forging mold, and adopts stamp forging hydraulic press to carry out speed change degree conducting forging processing stage by stage to this waste base, manufacture high temperature alloy dish class forging part.Usually, treatment temperature is herein same determines according to preparing Specifications in the projected area of the high temperature alloy dish class forging part manufactured and the industry.Adopt speed change degree conducting forging processing mode stage by stage, resistance of deformation during blank forging can be reduced further.This stage by stage speed change degree conducting forging processing comprise the idle running stage, pressing stage and be pressed against the stage, the conducting forging processing speed arranged in the idle running stage is for reducing the heat loss on waste base surface thus improving the initial processing temperature of waste base, the conducting forging processing speed arranged in pressing stage is for guaranteeing to heat up less and guarantee the rational processing time in the inside of waste base, be pressed against the conducting forging processing speed that arranges in the stage for reducing the final process load of waste base and guaranteeing the rational processing time, the conducting forging processing speed in described idle running stage is greater than the conducting forging processing speed of described pressing stage, the conducting forging processing speed in stage is pressed against described in the conducting forging processing speed of described pressing stage is greater than.
Particularly, the idle running stage refers to that stamp forging hydraulic press controls patrix and falls until contact the process before waste base from eminence, the conducting forging processing speed that this stage is arranged is generally the fastest processing speed that stamp forging hydraulic press can reach, reduce the time in this stage as far as possible, to reduce the heat loss on waste base surface, thus improve the initial processing temperature of waste base, pressing stage refers to that stamp forging hydraulic press controls patrix and contacts with waste base and waste base be pressed into the process of the waste base close to high temperature alloy dish class forging part, usually, thickness vertical dimension close to the waste base of high temperature alloy dish class forging part 15 ~ 20mm more than the thickness vertical dimension of high temperature alloy dish class forging part, in pressing process, waste base internal temperature can raise, the conducting forging processing speed that this stage is arranged should guarantee that the inside of waste base is heated up less, also to guarantee that the processing time in this stage is more reasonable, and finally determine the conducting forging processing speed in this stage according to this processing time and waste base with the thickness vertical dimension difference close to the waste base of high temperature alloy dish class forging part, the processing time that the processing time general reference line in this stage is general in the industry sets, the stage of being pressed against refers to that stamp forging hydraulic press controls the process that the waste base close to high temperature alloy dish class forging part is pressed into high temperature alloy dish class forging part by patrix further, resistance of deformation when forging in this process is larger, the forging force needed is higher, the conducting forging processing speed that this stage is arranged should consider the final process load reducing waste base, also to guarantee that the processing time in this stage is more reasonable, and according to this processing time and the conducting forging processing speed determining this stage close to the waste base of high temperature alloy dish class forging part and the thickness vertical dimension difference of high temperature alloy dish class forging part, finally determine relevant smithing technological parameter according to the initial processing temperature of this processing time and waste base, the processing time that the processing time general reference line in this stage is general in the industry sets.In addition, the processing time in these two stages generally also with reference to the making material of high temperature alloy dish class forging part and will be determined by the structure of the product coarse workpiece of this forging part final production.
Before conducting forging processing starts, preheating need be carried out to forging forging mold used.During conducting forging processing, except controlled forge process processing speed, also need the vertical dimension controlling high temperature alloy dish class forging part.After conducting forging processing terminates, the jacket on high temperature alloy dish class forging part is scattered, high temperature alloy mould forging is cooled in atmosphere naturally.
The manufacture method of a kind of large-sized high-temperature alloy dish class forging part that third embodiment of the invention provides, by carrying out adaptive improvement to forging mold, compound jacket and stage by stage speed change degree upsetting cake and conducting forging processing and on biscuit, carry out machine add the mode that endoporus process place combines, increase the Radial Flow of high temperature alloy metal, the flow resistance of high temperature alloy metal when reducing to forge, ensure that there is sufficient deflection in each region of forging part ensures that forging part filling is complete, reduce resistance of deformation during forging, finally achieve and produce large-sized high-temperature alloy dish class forging part on the stamp forging hydraulic press that tonnage is less.
Be fabricated to example with what realize large-scale GH4698 alloy turbine dish forging part on 400MN stamp forging hydraulic press, because the product coarse workpiece of this forging part final production is of a size of Φ 1169 × 145mm, projected area is 1.174m
2, so determine that the minimum monolateral surplus of this forging part is 8mm, the making Material selec-tion GH4698 high temperature alloy of forging part.The forging mold of this forging part is applicable to, the making Material selec-tion 5CrNiMo of forging mold according to the preparation of this forging part.According to the linear expansion coefficient of making material when forging under treatment temperature of this forging part, determine the shrinkage factor of forging part, then finally determine that the die cavity volume of forging mold is 100.015% of this forging part according to this shrinkage factor, and increase draft angle is carried out to this forging mold and increases fillet process.
Utilizing high temperature alloy bar to prepare in the process of biscuit, adopting 400MN stamp forging hydraulic press to carry out speed change degree upsetting cake process stage by stage to the high temperature alloy bar being heated to temperature, prepare biscuit.Treatment temperature herein selects 1120 DEG C.This stage by stage the process of speed change degree upsetting cake comprise idle running stage and pressing stage, wherein the upsetting cake processing speed in idle running stage is set to 110mm/s, and the upsetting cake processing speed of pressing stage is set to 5mm/s.
Determine to need the diameter of the endoporus that machine adds on biscuit to be 200mm, on biscuit, machine adds this endoporus, prepares waste base.
Utilizing waste base to manufacture in the process of high temperature alloy dish class forging part, the waste base being heated to temperature being placed in forging mold, and adopting 400MN stamp forging hydraulic press to carry out speed change degree conducting forging processing stage by stage to this waste base, manufacture high temperature alloy dish class forging part.Treatment temperature herein selects 1120 DEG C.This stage by stage speed change degree conducting forging processing comprise idle running stage, pressing stage and be pressed against the stage, the conducting forging processing speed in idle running stage is set to 110mm/s, and the conducting forging processing speed of pressing stage is set to 5mm/s, and the conducting forging processing speed being pressed against the stage is set to 1mm/s.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a manufacture method for large-sized high-temperature alloy dish class forging part, is characterized in that, comprising:
High temperature alloy bar is carried out speed change degree upsetting cake process stage by stage, prepare biscuit;
Described biscuit is carried out machine and adds endoporus process, prepare waste base;
Described waste base is placed in forging mold and carries out speed change degree conducting forging processing stage by stage, manufacture high temperature alloy dish class forging part.
2. manufacture method according to claim 1, is characterized in that, describedly high temperature alloy bar is carried out speed change degree upsetting cake process stage by stage, prepares taking a step forward of biscuit and comprises:
Preparation is applicable to the forging mold of high temperature alloy dish class forging part.
3. manufacture method according to claim 2, is characterized in that, carries out increase draft angle and increase fillet process to described forging mold, the flow resistance of high temperature alloy metal during to reduce to forge.
4. manufacture method according to claim 1 and 2, is characterized in that, describedly high temperature alloy bar is carried out speed change degree upsetting cake process stage by stage, prepares biscuit and comprises:
Heat after described high temperature alloy bar is carried out the process of compound jacket, preparation is heated to the high temperature alloy bar of temperature;
The described high temperature alloy bar being heated to temperature is carried out speed change degree upsetting cake process stage by stage, prepares biscuit.
5. manufacture method according to claim 4, it is characterized in that, the process of the described degree of speed change stage by stage upsetting cake comprises idle running stage and pressing stage, the upsetting cake processing speed arranged in the described idle running stage is for reducing the heat loss of described high temperature alloy billet surface thus improving the initial processing temperature of described high temperature alloy bar, the upsetting cake processing speed arranged in described pressing stage is for guaranteeing to heat up less and guarantee the rational processing time in the inside of described high temperature alloy bar, and the upsetting cake processing speed in described idle running stage is greater than the upsetting cake processing speed of described pressing stage.
6. manufacture method according to claim 1 and 2, is characterized in that, describedly described biscuit is carried out machine adds endoporus process, prepares waste base and comprises:
Determine the diameter needing the endoporus that machine adds on described biscuit;
Diameter machine according to described endoporus on described biscuit adds described endoporus, prepares waste base.
7. manufacture method according to claim 1 and 2, is characterized in that, describedly described waste base is placed in forging mold carries out speed change degree conducting forging processing stage by stage, manufactures high temperature alloy dish class forging part and comprises:
Heat after described waste base is carried out the process of compound jacket, preparation is heated to the waste base of temperature;
The described waste base being heated to temperature is placed in forging mold and carries out speed change degree conducting forging processing stage by stage, manufacture high temperature alloy dish class forging part.
8. manufacture method according to claim 7, it is characterized in that, the described degree of speed change stage by stage conducting forging processing comprises the idle running stage, pressing stage and be pressed against the stage, the conducting forging processing speed arranged in the described idle running stage is for reducing the heat loss on described waste base surface thus improving the initial processing temperature of described waste base, the conducting forging processing speed arranged in described pressing stage is for guaranteeing to heat up less and guarantee the rational processing time in the inside of described waste base, the described conducting forging processing speed that arranges in the stage of being pressed against is for reducing the final process load of described waste base and guaranteeing the rational processing time, the conducting forging processing speed in described idle running stage is greater than the conducting forging processing speed of described pressing stage, the conducting forging processing speed in stage is pressed against described in the conducting forging processing speed of described pressing stage is greater than.
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| CN105344901A (en) * | 2015-12-16 | 2016-02-24 | 中国第二重型机械集团德阳万航模锻有限责任公司 | Manufacturing method of high-temperature alloy disc-shaped forging with diameter greater than or equal to 1800 mm |
| CN106040928A (en) * | 2016-05-30 | 2016-10-26 | 中国航空工业集团公司北京航空材料研究院 | Thermal-covering process for thermal forming of super-large titanium alloy whole frame die forging |
| CN108526381A (en) * | 2018-05-22 | 2018-09-14 | 西安三角防务股份有限公司 | A kind of forging method of ultra-large type aluminum matrix composite ring |
| CN108526365A (en) * | 2018-05-30 | 2018-09-14 | 西安三角防务股份有限公司 | A kind of forging forming method of large titanium alloy center piece |
| CN108555223A (en) * | 2017-12-13 | 2018-09-21 | 陕西宏远航空锻造有限责任公司 | A kind of GH901 alloys diskware manufacturing method |
| CN109616607A (en) * | 2018-12-14 | 2019-04-12 | 深圳市瑞德丰精密制造有限公司 | A kind of forming method of Copper-Aluminum compound pole |
| CN110814251A (en) * | 2019-11-14 | 2020-02-21 | 西安三角防务股份有限公司 | Forging method of large TC18 titanium alloy die forging for landing gear |
| CN112410618A (en) * | 2020-11-19 | 2021-02-26 | 中国第二重型机械集团德阳万航模锻有限责任公司 | Preparation method of GH4698 high-temperature alloy die |
| CN112719180A (en) * | 2020-12-18 | 2021-04-30 | 陕西宏远航空锻造有限责任公司 | Forming method of large GH4169 alloy disc-shaped forge piece |
| CN112719175A (en) * | 2020-12-18 | 2021-04-30 | 陕西宏远航空锻造有限责任公司 | Die forging forming method and device for GH4169 alloy long shaft type forge piece |
| CN113843385A (en) * | 2021-09-03 | 2021-12-28 | 中信戴卡股份有限公司 | Forging process of magnesium alloy hub |
| CN114260403A (en) * | 2021-12-21 | 2022-04-01 | 中国第二重型机械集团德阳万航模锻有限责任公司 | Forging method for performance direction uniformity of basin-shaped aluminum alloy die forging |
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| CN105344901B (en) * | 2015-12-16 | 2017-10-24 | 中国第二重型机械集团德阳万航模锻有限责任公司 | Diameter is more than or equal to the manufacture method of 1800mm high temperature alloy disk forge piece |
| CN105344901A (en) * | 2015-12-16 | 2016-02-24 | 中国第二重型机械集团德阳万航模锻有限责任公司 | Manufacturing method of high-temperature alloy disc-shaped forging with diameter greater than or equal to 1800 mm |
| CN106040928A (en) * | 2016-05-30 | 2016-10-26 | 中国航空工业集团公司北京航空材料研究院 | Thermal-covering process for thermal forming of super-large titanium alloy whole frame die forging |
| CN108555223B (en) * | 2017-12-13 | 2019-05-21 | 陕西宏远航空锻造有限责任公司 | A kind of GH901 alloy diskware manufacturing method |
| CN108555223A (en) * | 2017-12-13 | 2018-09-21 | 陕西宏远航空锻造有限责任公司 | A kind of GH901 alloys diskware manufacturing method |
| CN108526381A (en) * | 2018-05-22 | 2018-09-14 | 西安三角防务股份有限公司 | A kind of forging method of ultra-large type aluminum matrix composite ring |
| CN108526365A (en) * | 2018-05-30 | 2018-09-14 | 西安三角防务股份有限公司 | A kind of forging forming method of large titanium alloy center piece |
| CN109616607B (en) * | 2018-12-14 | 2021-10-01 | 常州瑞德丰精密技术有限公司 | Forming method of copper-aluminum composite pole |
| CN109616607A (en) * | 2018-12-14 | 2019-04-12 | 深圳市瑞德丰精密制造有限公司 | A kind of forming method of Copper-Aluminum compound pole |
| CN110814251A (en) * | 2019-11-14 | 2020-02-21 | 西安三角防务股份有限公司 | Forging method of large TC18 titanium alloy die forging for landing gear |
| CN112410618A (en) * | 2020-11-19 | 2021-02-26 | 中国第二重型机械集团德阳万航模锻有限责任公司 | Preparation method of GH4698 high-temperature alloy die |
| CN112719180A (en) * | 2020-12-18 | 2021-04-30 | 陕西宏远航空锻造有限责任公司 | Forming method of large GH4169 alloy disc-shaped forge piece |
| CN112719175A (en) * | 2020-12-18 | 2021-04-30 | 陕西宏远航空锻造有限责任公司 | Die forging forming method and device for GH4169 alloy long shaft type forge piece |
| CN113843385A (en) * | 2021-09-03 | 2021-12-28 | 中信戴卡股份有限公司 | Forging process of magnesium alloy hub |
| CN114260403A (en) * | 2021-12-21 | 2022-04-01 | 中国第二重型机械集团德阳万航模锻有限责任公司 | Forging method for performance direction uniformity of basin-shaped aluminum alloy die forging |
| CN114260403B (en) * | 2021-12-21 | 2023-11-28 | 中国第二重型机械集团德阳万航模锻有限责任公司 | Forging method for basin-shaped aluminum alloy die forging piece with uniformity in performance direction |
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