CN107695629B - Forging process of titanium alloy taper sleeve - Google Patents
Forging process of titanium alloy taper sleeve Download PDFInfo
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- CN107695629B CN107695629B CN201710966611.5A CN201710966611A CN107695629B CN 107695629 B CN107695629 B CN 107695629B CN 201710966611 A CN201710966611 A CN 201710966611A CN 107695629 B CN107695629 B CN 107695629B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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Abstract
The invention discloses a forging process of a titanium alloy taper sleeve, which sequentially comprises a heating process, band saw middle division, round blank manufacturing, reaming, forging shaping, annealing, lathe processing and inspection along a processing sequence. Through adopting a series of treatments of above-mentioned technology, finally make the quality of forged titanium alloy tapering cover improve greatly, also shortened the forging time limit simultaneously, enlarged the use crowd of titanium alloy tapering cover, improved the yield from raw materials to finished product to saved the raw and other materials, reduced the cost of forging, be favorable to tapering cover's popularization and use, through setting for the temperature of heating, the deformation rate and the direction and the order of forging in the control forging process, can effectually mould the appearance of tapering cover, improve the quality of forging tapering cover.
Description
Technical Field
The invention belongs to the technical field of forging of taper sleeves, and particularly relates to a forging treatment process of a titanium alloy taper sleeve.
Background
The titanium alloy taper sleeve is a novel mechanical transmission connecting part, has the characteristics of high standardization degree, high precision, compact structure, convenient installation and disassembly and the like, is suitable for various occasions, has forging size of phi 572+/-5 x phi 242+/-5 x 380+/-5, but has feeding weight of 393.5kg+390kg in terms of raw materials, has total feeding of 783.5kg, has the product weight of 161kg, has the yield of only 20.6 percent, prolongs the processing period in terms of mechanical processing, needs a lathe with a turning diameter of more than 80 for processing 1 part to meet the processing capacity, has the processing time of 10 days, has the processing time of too long, and can be forged only when the tonnage of a traditional oil press is 1600 tons or more than 1600 tons. Otherwise, the poor forging permeability can cause ultrasonic flaw detection and unqualified mechanical property, the composite cost is quite high, the cost of raw materials according to the current market price is 66597 yuan, the forging cost is 23505 yuan, the mechanical processing cost is 16897 yuan, and the total cost is: 106999 yuan, average 1 piece cost is: 53499.5 yuan, the traditional forging method has high cost, long period, difficult popularization in the market and higher cost.
Disclosure of Invention
The invention aims to solve the technical problems of providing a titanium alloy taper sleeve forging process which has the characteristics of short processing period, low cost and wide application group, and has the characteristics of wide application range, short period and low cost.
In order to solve the technical problems, the technical scheme of the invention is as follows: the forging process of the titanium alloy taper sleeve is characterized by sequentially comprising a heating process, a band saw middle separation process, a round blank manufacturing process, a reaming process, a forging shaping process, an annealing process, a lathe machining process and an inspection process along the treatment sequence.
Preferably, the heating step mainly comprises: heating to 1100-1190 ℃ by an electric furnace, preserving heat for 230-300 minutes, firstly drawing the taper sleeve, then drawing the taper sleeve to 270 parts by two parts, and polishing the taper sleeve.
Preferably, the band saw is mainly divided into the following steps: band saw middle-dividing: the band saw is split into about 147 pieces kg/2 pieces by weight.
Preferably, the round billet manufacturing steps mainly include: heating in an electric furnace at 930-1000 ℃, preserving heat for 170-220 minutes, carrying out two-in-two drawing to 300 round billets, tempering for 60 minutes, punching, polishing, forging and making billets, wherein the sizes are as follows: Φ350±5×Φ145+5×400±5.
Preferably, the reaming step mainly comprises: electric furnace heating 930-1000 deg.C, heat preserving 170-220 min, spreading on horse frame, spreading one end of the material and inner hole to phi 180+5, spreading gradually to horse frame, spreading when inner hole reaches phi 320+ -10, spreading integrally, spreading the smallest end inner hole to phi 210+5. And replacing a motor with phi 200, firstly expanding one end with a large inner hole, expanding the inner hole to the minimum end when the inner hole is expanded to phi 520+/-10, until the inner hole meets the forging size, and then polishing cleanly.
Preferably, the forging shaping step mainly comprises: heating the taper sleeve in an electric furnace at 930-1000 deg.c for 170-220 min, forging to form the forged product, and forging to form the forged product with single side wall thickness 61.
Preferably, the annealing step mainly comprises: annealing the electric furnace, heating to 700-750 ℃, preserving heat for 100-200 minutes, and then putting the taper sleeve into air for cooling.
Preferably, the lathe processing steps mainly include: and (3) machining a finished product by a lathe, and performing visible light operation on the inner surface and the outer surface of the taper sleeve.
Preferably, the checking step mainly comprises: the dimensions of the taper sleeve and its surface quality were checked.
The invention has the advantages that: the method has the advantages that the yield from raw materials to finished products is improved, raw materials are saved, the forging efficiency is improved, the forging quality is also greatly improved, the time required by processing is greatly shortened, the period of forging taper sleeves is shortened, the delivery period is shortened, more requirements can be met, the forging cost is reduced, potential customer groups are expanded, popularization and use of the taper sleeves are facilitated, the use market of the taper sleeves is developed, the appearance of the taper sleeves can be effectively molded by setting the heating temperature, controlling the deformation rate in the forging process and the forging direction and sequence, and the quality of the forging taper sleeves is improved.
Detailed Description
The invention relates to a forging process of a titanium alloy taper sleeve, which sequentially comprises heating, band saw centering, round blank manufacturing, reaming, forging shaping, annealing, lathe processing and checking along a processing sequence.
The heating step mainly comprises the following steps: heating to 1100-1190 ℃ by an electric furnace, preserving heat for 230-300 minutes, firstly drawing the taper sleeve, then drawing the taper sleeve to 270 parts by two parts, and polishing the taper sleeve.
Wherein the band saw is divided into the following steps: band saw middle-dividing: the band saw is split into about 147 pieces kg/2 pieces by weight.
The round billet manufacturing steps mainly comprise: heating in an electric furnace at 930-1000 ℃, preserving heat for 170-220 minutes, carrying out two-in-two drawing to 300 round billets, tempering for 60 minutes, punching, polishing, forging and making billets, wherein the sizes are as follows: Φ350±5×Φ145+5×400±5.
The reaming process comprises the following steps: electric furnace heating 930-1000 deg.C, heat preserving 170-220 min, spreading on horse frame, spreading one end of the material and inner hole to phi 180+5, spreading gradually to horse frame, spreading when inner hole reaches phi 320+ -10, spreading integrally, spreading the smallest end inner hole to phi 210+5. And replacing a motor with phi 200, firstly expanding one end with a large inner hole, expanding the inner hole to the minimum end when the inner hole is expanded to phi 520+/-10, until the inner hole meets the forging size, and then polishing cleanly.
The forging and shaping process comprises the following steps: heating the taper sleeve in an electric furnace at 930-1000 deg.c for 170-220 min, forging to form the forged product, and forging to form the forged product with single side wall thickness 61.
The annealing process comprises the following steps: annealing the electric furnace, heating to 700-750 ℃, preserving heat for 100-200 minutes, and then putting the taper sleeve into air for cooling.
The lathe processing technology comprises the following steps: and (3) machining a finished product by a lathe, and performing visible light operation on the inner surface and the outer surface of the taper sleeve.
The inspection steps mainly comprise: the dimensions of the taper sleeve and its surface quality were checked.
Through a series of treatments of the heating, band saw middle division, round blank manufacturing, reaming, forging shaping, annealing, lathe processing, checking and the like, the quality of the forged titanium alloy taper sleeve is greatly improved, meanwhile, the forging period is shortened, and the use population of the titanium alloy taper sleeve is enlarged.
The foregoing describes one embodiment of the invention in detail, but the description is only a preferred embodiment of the invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications of the invention are intended to fall within the scope of the invention.
Claims (2)
1. A forging process of a titanium alloy taper sleeve is characterized in that: the method sequentially comprises the following steps along the processing sequence: heating, band saw centering, round blank manufacturing, reaming, forging shaping, annealing, lathe machining and checking;
heating to 1100-1190 ℃ by an electric furnace, preserving heat for 230-300 minutes, firstly drawing the taper sleeve, then drawing the taper sleeve to 270 parts by two parts, and polishing the taper sleeve;
the band saw middle dividing step is specifically that the band saw middle dividing step is carried out, and the single weight is about 147 pieces kg/2 pieces in total;
the round billet manufacturing steps comprise heating 930-1000 ℃ by an electric furnace, preserving heat for 170-220 minutes, carrying out two-to-300 round billets, tempering for 60 minutes, punching, polishing, forging and blanking, wherein the dimension is phi 350+/-5 xphi 145+5 x 400+/-5;
the reaming step comprises the steps of heating by an electric furnace to 930-1000 ℃, preserving heat for 170-220 minutes, reaming on a horse frame, firstly, reaming one end of a clamping material of an operation machine, the inner hole of the clamping material is reamed to phi 180+5, gradually reaming the horse frame, reaming after the inner hole is reamed to phi 320+/-10, integrally reaming, the inner hole of the smallest end is reamed to phi 210+5, replacing a motor of phi 200, firstly, reaming one end with a large inner hole, and reaming the inner hole of the smallest end when the inner hole is reamed to phi 520+/-10 until the inner hole of the smallest end meets the forging size, and then polishing cleanly;
the forging shaping step comprises the steps of putting the taper sleeve into an electric furnace for heating, wherein the heating temperature is 930-1000 ℃, then preserving heat for 170-220 minutes, forging a finished product with the dimension of phi 572+/-5 xphi 242+/-5 x 380+/-5, shaping the finished product, and forging shaping according to the single-side wall thickness 61 during operation;
the annealing step comprises the steps of annealing an electric furnace, heating to 700-750 ℃, preserving heat for 100-200 minutes, and then putting the taper sleeve into air for cooling;
the lathe machining step is specifically to lathe machine a finished product, and the inner surface and the outer surface of the taper sleeve are subjected to visible light operation.
2. The forging process of the titanium alloy taper sleeve according to claim 1, wherein the forging process comprises the following steps of: the checking step is specifically to check the size and the surface quality of the taper sleeve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710966611.5A CN107695629B (en) | 2017-10-17 | 2017-10-17 | Forging process of titanium alloy taper sleeve |
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| CN201710966611.5A CN107695629B (en) | 2017-10-17 | 2017-10-17 | Forging process of titanium alloy taper sleeve |
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| CN107695629A CN107695629A (en) | 2018-02-16 |
| CN107695629B true CN107695629B (en) | 2023-07-21 |
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| JPH07185728A (en) * | 1993-12-25 | 1995-07-25 | Sumitomo Heavy Ind Ltd | Device for forging large diameter ring |
| CN101537468A (en) * | 2009-04-17 | 2009-09-23 | 中国科学院金属研究所 | Design method of middle blank and prefabricating blank during conical shell forgeable piece forming process |
| CN101564750A (en) * | 2009-04-17 | 2009-10-28 | 二重集团（德阳）重型装备股份有限公司 | Process and device for forming straight-edge conical cylinder forged piece of nuclear power evaporator |
| JP2013220439A (en) * | 2012-04-16 | 2013-10-28 | Kobe Steel Ltd | Method for forging taper ring |
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| CN100569412C (en) * | 2008-04-23 | 2009-12-16 | 贵州航宇科技发展有限公司 | The method for rolling and shaping of aluminium alloy taper ring forged piece |
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| CN102071367B (en) * | 2010-11-24 | 2012-04-04 | 南京迪威尔重型锻造股份有限公司 | Steel forging manufacturing process for deep-sea Christmas tree equipment connectors |
| CN103084534B (en) * | 2011-11-01 | 2015-08-19 | 上海重型机器厂有限公司 | The manufacture method of the cone tubular forging of nuclear power evaporator transition-cone |
| JP6022341B2 (en) * | 2011-12-19 | 2016-11-09 | 株式会社神戸製鋼所 | Titanium alloy billet, method for producing titanium alloy billet, titanium alloy forged material, method for producing titanium alloy forged material, and method for producing aircraft parts |
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2017
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| JPH07185728A (en) * | 1993-12-25 | 1995-07-25 | Sumitomo Heavy Ind Ltd | Device for forging large diameter ring |
| CN101537468A (en) * | 2009-04-17 | 2009-09-23 | 中国科学院金属研究所 | Design method of middle blank and prefabricating blank during conical shell forgeable piece forming process |
| CN101564750A (en) * | 2009-04-17 | 2009-10-28 | 二重集团（德阳）重型装备股份有限公司 | Process and device for forming straight-edge conical cylinder forged piece of nuclear power evaporator |
| JP2013220439A (en) * | 2012-04-16 | 2013-10-28 | Kobe Steel Ltd | Method for forging taper ring |
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Address after: No. 90, Middle Section of Baoti Avenue, High tech Development Zone, Baoji, Shaanxi 721013 Applicant after: Baoji Angmaiwei Metal Technology Co.,Ltd. Address before: No. 90, Middle Section of Baoti Avenue, High-tech Development Zone, Baoji City, Shaanxi Province, 721000 Applicant before: BAOJI ZIYU METAL MATERIAL CO.,LTD. |
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