CN101869959A - Method for processing high-nickel alloy workpiece by adopting die forging process - Google Patents
Method for processing high-nickel alloy workpiece by adopting die forging process Download PDFInfo
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- CN101869959A CN101869959A CN200910020733A CN200910020733A CN101869959A CN 101869959 A CN101869959 A CN 101869959A CN 200910020733 A CN200910020733 A CN 200910020733A CN 200910020733 A CN200910020733 A CN 200910020733A CN 101869959 A CN101869959 A CN 101869959A
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Abstract
The invention relates to a method for processing a high-nickel alloy workpiece by adopting a die forging process, which comprises the processes of blanking, coarse processing, fine processing, performance detection and the like. The method is characterized in that the embodiment obtains the workpiece by adopting the die forging process to process a high-nickel alloy material. The high-nickel alloy workpiece manufactured by adopting the technical scheme realizes the decomposition of forging force, farthest lowers reactive force and solves destructive damage brought to forging equipment because of large forging force; surface cracking caused by large one-step deflection is eliminated by a grading multi-time forming method; a temperature monitoring device is added at each procedure, and the influence of the forging temperature difference to the forging property is decreased; and the production is carried out according to the production processes of charging, inspecting, blanking, heating, forging and the like strictly, and the die forging and the forming of a product are realized. The utilization rate of the material is effectively enhanced, and the processing redundancy and the processing cost are reduced.
Description
Affiliated technical field
The present invention relates to the die forging processing technique field, especially a kind of method that adopts the contour forging technique processing high-nickel alloy workpiece.
Background technology
Langaloy has mechanically obtained application as a kind of special metal material many, and the Langaloy main alloy element is chromium, molybdenum, tungsten, also contains a spot of niobium, tantalum and indium.Except that having anti-wear performance, it is anti-oxidant, erosion resistant, welding performance might as well.Can make wear-resisting spare part, the anti-corrosion part that high oxidation, high corrosive environment use down is because its remarkable performance is widely used in chemical industry, metallurgy, aviation, nuclear industry, marine environment etc., as the aircraft end cover of engine.Because its complex manufacturing to each very strictness of process procedure control requirement, particularly requires to be close to harshness to Forging Technology in the forging link, is very difficult to moulding, is restricted though range of application extensively develops, and is progressive slower.Simultaneously, by adopting product that casting obtains because low in mechanical performance, production efficiency is low, aspect restriction such as seriously polluted.The high-quality performance of Langaloy material has proposed more and more higher requirement to the production process of product, guides the domestic and international research personnel to continually develop, study the new mode of production and production technology thus.At present, have several families to produce the producer of nickel alloy forging at home, but all be to adopt the international mode of production, it is bad promptly to adopt smelting to add open die forging acquisition hair, carries out accurately machined mode manufactured parts again.Though solved mechanical performance (interior tissue) problem, the problem of its existence also is very big, adopt the mode of production of open die forging to cause its material consumption big, can only carry out simple moulding, postorder allowance is big, causes production cost high.Processing method in the background technology generally adopts the mode of smelting, ingot casting, free forging rolling, machine-shaping to manufacture a product in sum, and this processing technology exists following deficiency: the one, and consumption of raw materials is big, and its utilization rate is about 50%; The 2nd, the big production efficiency of difficulty of processing is low; The 3rd, energy resource consumption is many, the processing cost height; The 4th, can not improve the performance of material in the process, comprise performances such as tensile strength, yield strength.In view of the defective that exists in the background technology, the inventor designs a kind of method that adopts the contour forging technique processing high-nickel alloy workpiece finally through exploring for many years, testing, and is used for solving the deficiency that background technology exists.
Summary of the invention
The present invention solve one of its technical problem be adopt blocking, finish-forging, repeatedly Forging Technology is made the mould of processing high-nickel alloy workpiece.
It is to adopt the technological design of contour forging technique processing high-nickel alloy workpiece that the present invention solves two of its technical problem.
Technical problem of the present invention is achieved by the following technical programs.
A kind of method that adopts the contour forging technique processing high-nickel alloy workpiece, technologies such as blanking, roughing, fine finishining and Performance Detection, it is characterized in that: the present invention is by the processing of employing contour forging technique to the Langaloy material, and obtains workpiece, comprises that mould is made Forging Technology and equipment is selected; Wherein:
One, the manufacturing of forging mold: repeatedly forge and finish by blocking, finish-forging technology.
(1) mold materials is selected the tungsten high-strength alloy;
(2) manufacture craft comprises blanking, processing, heat treatment, assembling; Wherein, conventional method processing is adopted in blanking, machined; Heat treatment is adopted and is quenched and tempering process; Hardening heat is: 1100 ℃～1300 ℃, be incubated 4 hours～6 hours; Temperature is: 400 ℃～500 ℃, be incubated 2 hours～3 hours after cooling naturally, get final product to normal temperature.Equipment for Heating Processing adopts salt bath furnace and well formula to melt down.
Two, Forging Technology:
(1) material is selected: nickel content is the 58%-62% Langaloy;
(2) blanking: according to the blanking of workpiece weight;
(3) shove charge heating: in the material dress mould that will descend, employing equipment carries out the classification heating.Heating process is: room temperature-800 ℃, and 800 ℃～1200 ℃ insulations are forged after 25 minutes～30 minutes, and firing equipment is selected box electrothermal furnace;
(4) forge by blocking and finish-forging technology and finish, blocking hits twice, and forging temperature is not less than 1000 ℃;
(5) melt down again after blocking is finished and be heated to more than 1000 ℃, and insulation 20-30 minute, carry out finish forging then;
(6) finish forging hits twice, and forging temperature is not less than 1000 ℃, and the forging deformation amount is no less than 15% and surely close with mould;
(7) after the forging, workpiece is taken out from above-mentioned mould, high temperature is molten admittedly in the salt smelting furnace handles, and treatment temperature is 995 ℃～1105 ℃, is incubated 45 minutes～60 minutes;
(7) adopt conventional equipment to carry out roughing or fine finishining, adopt methods such as ultrasonic examination, x-ray detection that qualified getting final product monitored, tested to material then.
Three, equipment is selected:
Adopt the friction press at no stroke dead point among the present invention, forging pressure is 1600T-2500T.
Advantage and good effect that the present invention and background technology comparison are had are: the high-nickel alloy workpiece that adopts technique scheme to make, realization is decomposed forging force, farthest reduce reaction force, solve because the big destructive lesion that may bring to forging equipment of forging force; By classification repeatedly the method for forming eliminate the face checking that deflection causes greatly; Increase device for monitoring temperature in each operation, reduce to forge the influence of the temperature difference forgeability; Produce in strict accordance with production technologies such as supplied materials, check, blanking, heating, forging, heat treatment, roughing, check, fine finishining, realize the die-forging forming of product.Effectively improve the utilization rate of this material, reduced allowance and processing cost, reduced the environmental pollution that causes in the production process simultaneously.Langaloy die forging technology improves this manufacture of materials efficient more than 50%, and the economical with materials cost is more than 30%, and it is beyond count to reduce environmental pollution.At this product high temperature solid solution treatment process, improve its mechanical performance (as tension, impact etc.) simultaneously, improved the performance requirement and the quality of product greatly.
The specific embodiment
Embodiment: a kind of method that adopts contour forging technique processing Langaloy aircraft engine end cap, comprise technologies such as blanking, roughing, fine finishining and Performance Detection, it is characterized in that: present embodiment is by adopting contour forging technique, processing to the Langaloy material, and the acquisition workpiece comprises that mould is made Forging Technology and equipment is selected; Wherein:
One, the manufacturing of forging mold: repeatedly forge and finish by blocking, finish-forging technology.
(1) mold materials is selected tungsten high-strength alloy, preferred Japanese trade mark YXR3 type tungsten and molybdenum material in the present embodiment;
(2) manufacture craft comprises blanking, processing, heat treatment, assembling; Wherein, conventional method processing is adopted in blanking, processing; Heat treatment is adopted and is quenched and tempering process; Hardening heat is: 1140 ℃, be incubated 4 hours; Temperature is: 450 ℃, be incubated after 2 hours cooling naturally, and get final product Equipment for Heating Processing employing salt bath furnace and shaft furnace to normal temperature.
Two, Forging Technology:
(1) material is selected: nickel content is greater than the Langaloy more than 58%, and the preferred model of the present invention is In625;
(2) blanking: according to the blanking of workpiece weight, present embodiment aircraft engine end cap is selected weight 10kg;
(3) shove charge heating: in the material dress mould that will descend, employing equipment carries out the classification heating.Heating process is: workpiece is inserted in the box electrothermal furnace be heated to 800 ℃ by room temperature, and then workpiece taken out insert in the high-temperature electric heat stove heating and continue to be heated to 1190 ℃ of insulations by 800 ℃ and forge after 25 minutes;
(4) forge by blocking and finish-forging technology and finish, blocking hits twice, and forging temperature is not less than 1050 ℃;
(5) melt down again after blocking is finished and be heated to 1190 ℃, and be incubated 25 minutes, carry out finish forging then;
(6) finish forging hits twice, and forging temperature is not less than 1100 ℃, and the forging deformation amount is no less than 20% and identical with mould;
(7) after the forging, workpiece is taken out from above-mentioned mould, high temperature is molten admittedly in the salt smelting furnace handles, and treatment temperature is 1100 ℃, is incubated 45 minutes;
(8) adopt conventional equipment to carry out roughing or fine finishining, adopt ultrasonic examination, X-ray spy method that qualified getting final product monitored, tested to workpiece then.
Three, equipment is selected:
Adopt forging equipment not have the friction press at stroke dead point among the present invention, forging pressure is 1600T.
The high-nickel alloy workpiece that present embodiment is made records technical parameter and is: tensile strength is 790 MPas, and yield strength is 375 MPas, and percentage elongation is 50%.
Then the technical program is implemented to finish.
Claims (3)
1. method that adopts the contour forging technique processing high-nickel alloy workpiece, comprise technologies such as blanking, roughing, fine finishining and Performance Detection, it is characterized in that: the present invention is by adopting the processing of contour forging technique to the Langaloy material, and the acquisition workpiece comprises that mould is made Forging Technology and equipment is selected.
2. a kind of method that adopts the contour forging technique processing high-nickel alloy workpiece according to claim 1 is characterized in that:
One, the manufacturing of forging mold: repeatedly forge and finish by blocking, finish-forging technology;
(1) mold materials is selected the tungsten high-strength alloy;
(2) manufacture craft comprises blanking, processing, heat treatment, assembling; Wherein, conventional method processing is adopted in blanking, machined; Heat treatment is adopted and is quenched and tempering process; Hardening heat is: 1100 ℃～1300 ℃, be incubated 4 hours～6 hours; Temperature is: 400 ℃～500 ℃, be incubated 2 hours～3 hours after cooling naturally, get final product to normal temperature;
Two, Forging Technology:
(1) material is selected: nickel content is the 58%-62% Langaloy;
(2) blanking: according to the blanking of workpiece weight;
(3) shove charge heating: in the material dress mould that will descend, employing equipment carries out the classification heating; Heating process is: room temperature-800 ℃, and 800 ℃～1200 ℃ insulations are forged after 25 minutes～30 minutes;
(4) forge by blocking and finish-forging technology and finish, blocking hits twice, and forging temperature is not less than 1000 ℃;
(5) melt down again after blocking is finished and be heated to more than 1000 ℃, and insulation 20-30 minute, carry out finish forging then;
(6) finish forging hits twice, and forging temperature is not less than 1000 ℃, and the forging deformation amount is no less than 15% and identical with mould;
(7) after the forging, workpiece is taken out from above-mentioned mould, high temperature is molten admittedly in the salt smelting furnace handles, and treatment temperature is 995 ℃～1105 ℃, is incubated 45 minutes～60 minutes;
Four, equipment is selected:
3. a kind of method that adopts the contour forging technique processing high-nickel alloy workpiece according to claim 1, comprise technologies such as blanking, roughing, fine finishining and Performance Detection, it is characterized in that: present embodiment is by adopting contour forging technique, processing to the Langaloy material, and the acquisition workpiece comprises that mould is made Forging Technology and equipment is selected; Wherein:
One, the manufacturing of forging mold: repeatedly forge and finish by blocking, finish-forging technology;
(1) mold materials is selected tungsten high-strength alloy, preferred Japanese trade mark YXR3 type tungsten and molybdenum material;
(2) manufacture craft comprises blanking, processing, heat treatment, assembling; Wherein, conventional method processing is adopted in blanking, processing; Heat treatment is adopted and is quenched and tempering process; Hardening heat is: 1140 ℃, be incubated 4 hours; Temperature is: 450 ℃, be incubated after 2 hours cooling naturally, and get final product Equipment for Heating Processing employing salt bath furnace and shaft furnace to normal temperature;
Two, Forging Technology:
(1) material is selected: nickel content is greater than the Langaloy more than 58%, and the preferred model of the present invention is In625;
(2) blanking: according to the blanking of workpiece weight, present embodiment is selected weight 10kg;
(3) shove charge heating: in the material dress mould that will descend, employing equipment carries out the classification heating; Heating process is: workpiece is inserted in the box electrothermal furnace be heated to 800 ℃ by room temperature, and then workpiece taken out insert in the high-temperature electric heat stove heating and continue to be heated to 1190 ℃ of insulations by 800 ℃ and forge after 25 minutes;
(4) forge by blocking and finish-forging technology and finish, blocking hits twice, and forging temperature is not less than 1050 ℃;
(5) melt down again after blocking is finished and be heated to 1190 ℃, and be incubated 25 minutes, carry out finish forging then;
(6) finish forging hits twice, and forging temperature is not less than 1100 ℃, and the forging deformation amount is no less than 20% and surely close with mould;
(7) after the forging, workpiece is taken out from above-mentioned mould, high temperature is molten admittedly in the salt smelting furnace handles, and treatment temperature is 1100 ℃, is incubated 45 minutes;
Three, equipment is selected:
Forging equipment adopts the friction press at no stroke dead point, and forging pressure is 1600T;
Described a kind of method that adopts the contour forging technique processing high-nickel alloy workpiece, the high-nickel alloy workpiece of making records technical parameter and is: tensile strength is 790 MPas, and yield strength is 375 MPas, and percentage elongation is 50%.
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| CN200910020733A CN101869959A (en) | 2009-04-21 | 2009-04-21 | Method for processing high-nickel alloy workpiece by adopting die forging process |
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| CN200910020733A CN101869959A (en) | 2009-04-21 | 2009-04-21 | Method for processing high-nickel alloy workpiece by adopting die forging process |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102198481A (en) * | 2011-04-20 | 2011-09-28 | 大连大高阀门有限公司 | Technology for integrally forging valve with flange |
| CN103264137A (en) * | 2012-08-17 | 2013-08-28 | 大连大高阀门股份有限公司 | Flange ball valve body forging technology |
| CN103464696A (en) * | 2013-09-12 | 2013-12-25 | 黄维明 | Forged stainless steel cutter blank near-net-shape manufacture process |
| 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 |
| CN107716819A (en) * | 2016-08-11 | 2018-02-23 | 象山迪凯机模有限公司 | A kind of magnetic suspension train aluminium alloy trailing arm and bolster processing technology |
| CN109604511A (en) * | 2019-01-15 | 2019-04-12 | 苏州市东盛锻造有限公司 | Threeway forging process for fuel method and its product |
| CN110640061A (en) * | 2018-06-26 | 2020-01-03 | 端木迎 | Die forging process of condenser pipe box |
-
2009
- 2009-04-21 CN CN200910020733A patent/CN101869959A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102198481A (en) * | 2011-04-20 | 2011-09-28 | 大连大高阀门有限公司 | Technology for integrally forging valve with flange |
| CN103264137A (en) * | 2012-08-17 | 2013-08-28 | 大连大高阀门股份有限公司 | Flange ball valve body forging technology |
| CN103464696A (en) * | 2013-09-12 | 2013-12-25 | 黄维明 | Forged stainless steel cutter blank near-net-shape manufacture process |
| CN103464696B (en) * | 2013-09-12 | 2016-09-28 | 重庆强大巴郡知识产权服务有限公司 | The closely whole manufacturing process of forging non-corrodible steel cutter blank |
| 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 |
| 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 |
| CN107716819A (en) * | 2016-08-11 | 2018-02-23 | 象山迪凯机模有限公司 | A kind of magnetic suspension train aluminium alloy trailing arm and bolster processing technology |
| CN110640061A (en) * | 2018-06-26 | 2020-01-03 | 端木迎 | Die forging process of condenser pipe box |
| CN109604511A (en) * | 2019-01-15 | 2019-04-12 | 苏州市东盛锻造有限公司 | Threeway forging process for fuel method and its product |
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Application publication date: 20101027 |