CN106825340A - A kind of blank design method of titanium alloy C-shaped cross section taper ring rolling - Google Patents

A kind of blank design method of titanium alloy C-shaped cross section taper ring rolling Download PDF

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Publication number
CN106825340A
CN106825340A CN201710117117.1A CN201710117117A CN106825340A CN 106825340 A CN106825340 A CN 106825340A CN 201710117117 A CN201710117117 A CN 201710117117A CN 106825340 A CN106825340 A CN 106825340A
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Prior art keywords
blank
taper
ring
represent
small end
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CN106825340B (en
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刘�东
杨艳慧
王海
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Anhui Hanzheng Bearing Technology Co ltd
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Northwestern Polytechnical University
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H1/00—Making articles shaped as bodies of revolution
    • B21H1/06—Making articles shaped as bodies of revolution rings of restricted axial length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2205/00—Particular shaped rolled products
    • B21B2205/04—Taper- or wedge-shaped profiles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)

Abstract

The invention discloses a kind of blank design method of titanium alloy C-shaped cross section taper ring rolling, including：According to taper blank design blank, it is defined as blank two ends straight section height, total height equal with ring shoulder height, total height respectively, determine that taper blank aperture end-face wall is thick, determine taper blank hole diameter and external diameter, determine the big end of taper blank final internal diameter and outside dimension, each known dimensions is substituted into equation by founding mathematical models, the abscissa x of summit A is can obtain, that is, all sizes of preform are determined.The present invention is based on the above method, a taper in opposite direction is designed at certain cylindrical height of traditional cone blank, ensure that the ring cross section profile for rolling out is complete, dimensional accuracy meets requirement, the mechanical process complicated due to eliminating postorder, stock utilization is substantially increased, cost has been saved, while avoiding destruction of the machining to ring inner flow-line.

Description

A kind of blank design method of titanium alloy C-shaped cross section taper ring rolling
Technical field
The present invention relates to ring parts rolling forming processing technique field, more particularly to a kind of titanium alloy C-shaped cross section taper ring The blank design method of part rolling.
Background technology
Ring rolling is using ring rolling equipment, is gradually reduced ring billet wall thickness under multiple roll collective effects, directly The successive partial plastic forming technology that footpath is gradually grown up, cross section profile is gradually formed, with low production cost, ring mechanical property The advantages of excellent, high precision, production efficiency are high, product scope is wide.At home, due to the limitation of production technology, cut for abnormity Face ring part, usually using allowance is larger, the design of forging of section relative simplicity, to ensure the complete of final part size Property, then final workpiece size is reached by treatment such as follow-up machinings, thus substantially reduce the utilization rate of material.
For titanium alloy C-shaped cross section taper ring, rolled according to simple taper ring billet, volume distributed median at step Obviously not enough, blank is made to flow vertically to fill step be very difficult, while in the presence of taper, blank rolling When, produces axially soaring, is more unfavorable for the filling of lower end step, causes the generation of waste product；According to simple section ring billet, need The complicated mechanical process of postorder, greatly reduces the utilization rate of material, and the streamline that machining can be destroyed inside ring, together When, waste the time；According to multi- pass rolling, it is necessary to design many molds, production cost is substantially increased.
Therefore, in the market is badly in need of a kind of blank design method of titanium alloy C-shaped cross section taper ring rolling so that c-type is cut The profile of face cone degree ring can completely be shaped, and forging streamline in itself is also remained in the case where stock utilization is improved.
The content of the invention
It is an object of the invention to provide a kind of blank design method of titanium alloy C-shaped cross section taper ring rolling, to solve The problem that above-mentioned prior art is present, enables the profile of C-shaped cross section taper ring completely to shape, and is improving stock utilization In the case of also remain forging streamline in itself.
To achieve the above object, the invention provides following scheme：The present invention provides a kind of titanium alloy C-shaped cross section taper ring The blank design method of part rolling, including：
Step one, according to taper blank design blank, be defined as blank two ends straight section height, total height respectively with ring platform Rank height, total height are equal；
Step 2, according to rolling than determining taper blank aperture average diameter with ring aperture average diameter；
Step 3, it is equal with taper blank small end volume according to ring, determine that taper blank aperture end-face wall is thick；
Step 4, it is thick according to taper blank aperture average diameter and taper blank aperture end-face wall, determine taper blank Hole diameter and external diameter；
Step 5, according to the big end of taper blank and the equal principle of the big end volume of ring, determines in the macropore of taper blank Footpath and external diameter, and according to taper blank and ring cumulative volume is equal is modified, obtain the final internal diameter in the big end of taper blank and Outside dimension；
Step 6, on the basis of taper blank, design blank inside diameter is consistent with taper blank, only to outboard wheel Profile could be adjusted to redistribute axial volume, determine that blank two ends diameter height is equal with the holding of ring shoulder height, really Determine blank upper and lower ends wall thickness more than standard Conical ring blank two ends wall thickness, determine cone angle and two ends straight section distance 30cm with On；
Step 7, with the small end center of circle as origin, small end radius is x-axis, and axis is y-axis, sets up plane right-angle coordinate, choosing Determine the ordinate y=H of A pointsAb, blank is segmented and is calculated, if the line function of each section of outline is respectively fy1、fy2、fy3, Internal periphery Each section of line function is respectively gy1、gy2、gy3, have according to constancy of volume principle：
Wherein, HtbRepresent small end external diameter straight section height, HsbRepresent small end inner diameter straight section height, HAbRepresent the vertical seat of A points Mark, HbRepresent blank total height, HlbRepresent big end external diameter straight section height, VRingRepresent ring volume；
Each known dimensions is substituted into above-mentioned equation, the abscissa x of summit A is can obtain, that is, preform is determined and owns Size.
Preferably, in the step 3, aperture end-face wall thickness is：
Wherein, dsm0Represent taper blank small end average diameter, ts0Represent that aperture end-face wall is thick, HS0Represent that taper blank is small End straight section height, DswRepresent ring small end overall diameter, d after shapingsRepresent ring small end interior diameter, D after shapingsAfter representing shaping Ring small end average diameter, HtRepresent ring small end boss height, HsRepresent ring small end total height, Hs0Represent that taper blank is small End straight section height.
The present invention generates following technique effect relative to prior art：
The present invention is redesigned by the blank to titanium alloy C-shaped cross section taper ring rolling, in traditional cone base A taper in opposite direction is designed at certain cylindrical height of material, ensure that the ring cross section profile for rolling out is complete, size Precision meets requirement, the mechanical process complicated due to eliminating postorder, substantially increases stock utilization, has saved cost, Destruction of the machining to ring inner flow-line is avoided simultaneously.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment The accompanying drawing for needing to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the invention Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings Obtain other accompanying drawings.
Fig. 1 is a kind of flow of the blank design method of titanium alloy C-shaped cross section taper ring rolling in the embodiment of the present invention Figure；
Fig. 2 is C-shaped cross section taper ring structural representation in the embodiment of the present invention；
Fig. 3 is taper blank schematic cross-section in the embodiment of the present invention；
Fig. 4 is design blank schematic cross-section in the embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
It is an object of the invention to provide a kind of blank design method of titanium alloy C-shaped cross section taper ring rolling, to solve The problem that prior art is present, enables the profile of C-shaped cross section taper ring completely to shape, and is improving the situation of stock utilization Under also remain forging streamline in itself.
It is below in conjunction with the accompanying drawings and specific real to enable the above objects, features and advantages of the present invention more obvious understandable The present invention is further detailed explanation to apply mode.
The present invention provides a kind of blank design method of titanium alloy C-shaped cross section taper ring rolling, including,
Step one, according to taper blank design blank, be defined as blank two ends straight section height, total height respectively with ring platform Rank height, total height are equal, then
Hl0=Hl
Hs0=Hs
H0=H
Wherein：HlRepresent the big end straight section height of ring, HsRing small end straight section height is represented, H represents ring total height；
Hl0Represent the big end straight section height of taper blank, Hs0Represent taper blank small end straight section height, H0Represent taper blank Total height.
Step 2, according to rolling than k and ring aperture average diameter determines taper blank aperture average diameter, then
Wherein：DsmRepresent ring small end average diameter；dsm0Represent taper base small end average diameter；
Step 3, it is equal with taper blank small end volume according to ring, determine taper blank aperture end-face wall thickness ts0, then
Vs0=Vs
Wherein：Vs- ring small end volume；Vs0- taper base small end volume；
Wherein:HsRepresent ring small end total height；HtRepresent ring small end boss height；Hs0Represent taper base small end straight section Highly.
Step 4, it is thick according to taper blank aperture average diameter and taper blank aperture end-face wall, determine taper blank Hole diameter and external diameter, then
ds0=dsm0-ts0
Ds0=dsm0+ts0
Wherein, ds0、Ds0Respectively taper blank small bore end internal diameter and external diameter.
Taper blank and ring middle part taper are consistent：
θ0=θ
Wherein:θ0Represent taper semi-cone angle；θ represents ring semi-cone angle.
Step 5, according to the big end of taper blank and the equal principle of the big end volume of ring, determines in the macropore of taper blank Footpath and external diameter, and according to taper blank and ring cumulative volume is equal is modified, obtain the final internal diameter d in the big end of taper blankl0 With outside dimension Dl0；
Step 6, on the basis of taper blank, design blank inside diameter is consistent with taper blank, only to outboard wheel Profile could be adjusted to redistribute axial volume, determine that blank two ends diameter height is equal with the holding of ring shoulder height, really Determine blank upper and lower ends wall thickness more than standard Conical ring blank two ends wall thickness, determine cone angle and two ends straight section distance 30cm with On；
Step 7, with the small end center of circle as origin, small end radius is x-axis, and axis is y-axis, sets up plane right-angle coordinate, choosing Determine the ordinate y=H of A pointsAb, blank is segmented and is calculated, if the line function of each section of outline is respectively fy1、fy2、fy3, Internal periphery Each section of line function is respectively gy1、gy2、gy3, have according to constancy of volume principle：
Wherein, HtbRepresent small end external diameter straight section height, HsbRepresent small end inner diameter straight section height, HAbRepresent the vertical seat of A points Mark, HbRepresent blank total height, HlbRepresent big end external diameter straight section height, VRingRepresent ring volume；
Each known dimensions is substituted into above-mentioned equation, the abscissa x of summit A is can obtain, that is, preform is determined and is owned Size.
Specific case is applied in the present invention to be set forth principle of the invention and implementation method, above example Illustrate that being only intended to help understands the method for the present invention and its core concept；Simultaneously for those of ordinary skill in the art, according to According to thought of the invention, will change in specific embodiments and applications.In sum, this specification content Should not be construed as limiting the invention.

Claims (2)

1. a kind of blank design method of titanium alloy C-shaped cross section taper ring rolling, it is characterised in that including：
Step one, according to taper blank design blank, is defined as blank two ends straight section height, total height high with ring step respectively Degree, total height are equal；
Step 2, according to rolling than determining taper blank aperture average diameter with ring aperture average diameter；
Step 3, it is equal with taper blank small end volume according to ring, determine that taper blank aperture end-face wall is thick；
Step 4, it is thick according to taper blank aperture average diameter and taper blank aperture end-face wall, determine taper blank aperture Internal diameter and external diameter；
Step 5, according to the big end of taper blank and the equal principle of the big end volume of ring, determine taper blank macropore internal diameter and External diameter, and according to taper blank and ring cumulative volume is equal is modified, obtain the big end of taper blank final internal diameter and external diameter Size；
Step 6, on the basis of taper blank, design blank inside diameter is consistent with taper blank, only to lateral profile line Could be adjusted to redistribute axial volume, determine that blank two ends diameter height is equal with the holding of ring shoulder height, determine base Material upper and lower ends wall thickness is more than standard Conical ring blank two ends wall thickness, determines cone angle with two ends straight section distance in more than 30cm；
Step 7, with the small end center of circle as origin, small end radius is x-axis, and axis is y-axis, sets up plane right-angle coordinate, selectes A The ordinate y=H of pointAb, blank is segmented and is calculated, if the line function of each section of outline is respectively fy1、fy2、fy3, each section of Internal periphery Line function be respectively gy1、gy2、gy3, have according to constancy of volume principle：
∫ 0 H t b π ( f 2 ( y 1 ) - g 2 ( y 1 ) ) d y + ∫ H t b H s b π ( f 2 ( y 2 ) - g 2 ( y 2 ) ) d y + ∫ H s b H A b π ( f 2 ( y 3 ) - g 2 ( y 3 ) ) d y + ∫ H A b H b - H l b π ( f 2 ( y 4 ) - g 2 ( y 4 ) ) d y + ∫ H b - H l b H b π ( f 2 ( y 5 ) - g 2 ( y 5 ) ) d y = V R i n g
Wherein, HtbRepresent small end external diameter straight section height, HsbRepresent small end inner diameter straight section height, HAbRepresent the ordinate of A points, HbTable Show blank total height, HlbRepresent big end external diameter straight section height, VRingRepresent ring volume；
Each known dimensions is substituted into above-mentioned equation, the abscissa x of summit A is can obtain, that is, all chis of preform are determined It is very little.
2. a kind of blank design method of titanium alloy C-shaped cross section taper ring rolling according to claim 1, its feature exists In in the step 3, aperture end-face wall thickness is：
1 4 π ( ( d s m 0 + t s 0 ) 2 - ( d s m 0 - t s 0 ) 2 ) H s 0 = 1 4 π ( ( D s w 2 - d s 2 ) H t + ( D s 2 - d s 2 ) ( H s - H t ) )
t s 0 = ( D s w 2 - d s 2 ) H t + ( D s 2 - d s 2 ) ( H s - H t ) - 2 d s m 0 2 H s 0 2 H s 0
Wherein, dsm0Represent taper blank small end average diameter, ts0Represent that aperture end-face wall is thick, Hs0Represent that taper blank small end is straight Duan Gaodu, DswRepresent ring small end overall diameter, d after shapingsRepresent ring small end interior diameter, D after shapingsRepresent ring after shaping Small end average diameter, HtRepresent ring small end boss height, HsRepresent ring small end total height, Hs0Represent that taper blank small end is straight Duan Gaodu.
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CN107626734A (en) * 2017-10-10 2018-01-26 广西柳州银海铝业股份有限公司 The slab ingot of aluminum alloy hot rolling volume feeds intake specification optimal control method
CN109079066A (en) * 2018-07-11 2018-12-25 中航卓越锻造（无锡）有限公司 The manufacturing process of large cone ring
CN109794568A (en) * 2019-04-01 2019-05-24 西北工业大学深圳研究院 A kind of method of the ring rolling billet size of determining surfaces externally and internally abnormity
CN109822021A (en) * 2018-09-10 2019-05-31 贵州航天新力铸锻有限责任公司 Rolloff forming method of C-shaped section forging
CN111318630A (en) * 2020-03-18 2020-06-23 武汉理工大学 Near-net composite rolling forming method for inner ring of tapered roller bearing
CN111331063A (en) * 2020-03-31 2020-06-26 武汉理工大学 Low-consumption high-performance near-net cold rolling forming method for complex gear blank ring piece
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CN112589021A (en) * 2020-11-17 2021-04-02 贵州航宇科技发展股份有限公司 Manufacturing method of IN718 alloy double-flange high-barrel casing ring piece
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CN115592065A (en) * 2022-09-29 2023-01-13 江苏翔能科技发展有限公司（Cn） Inner and outer diameter depth profiling heavy titanium alloy ring forging and forming method thereof
CN116441466A (en) * 2023-03-24 2023-07-18 江苏翔能科技发展有限公司 Method for cooperatively determining size of complex conical ring piece forming process chain blank and die

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CN107626734B (en) * 2017-10-10 2019-08-13 广西柳州银海铝业股份有限公司 The slab ingot of aluminum alloy hot rolling volume feeds intake specification optimal control method
CN107626734A (en) * 2017-10-10 2018-01-26 广西柳州银海铝业股份有限公司 The slab ingot of aluminum alloy hot rolling volume feeds intake specification optimal control method
CN109079066A (en) * 2018-07-11 2018-12-25 中航卓越锻造（无锡）有限公司 The manufacturing process of large cone ring
CN109822021A (en) * 2018-09-10 2019-05-31 贵州航天新力铸锻有限责任公司 Rolloff forming method of C-shaped section forging
CN109794568A (en) * 2019-04-01 2019-05-24 西北工业大学深圳研究院 A kind of method of the ring rolling billet size of determining surfaces externally and internally abnormity
CN111318630B (en) * 2020-03-18 2021-07-20 武汉理工大学 Near-net composite rolling forming method for inner ring of tapered roller bearing
CN111318630A (en) * 2020-03-18 2020-06-23 武汉理工大学 Near-net composite rolling forming method for inner ring of tapered roller bearing
CN111331063A (en) * 2020-03-31 2020-06-26 武汉理工大学 Low-consumption high-performance near-net cold rolling forming method for complex gear blank ring piece
CN111331063B (en) * 2020-03-31 2021-05-28 武汉理工大学 Low-consumption high-performance near-net cold rolling forming method for complex gear blank forging
CN112371888A (en) * 2020-09-30 2021-02-19 贵州安大航空锻造有限责任公司 Ti2Method for forming AlNb-based alloy complex-section special-shaped casing ring piece
CN112589021A (en) * 2020-11-17 2021-04-02 贵州航宇科技发展股份有限公司 Manufacturing method of IN718 alloy double-flange high-barrel casing ring piece
CN113941675A (en) * 2021-09-29 2022-01-18 武汉理工大学 Near-net rolling forming method for large-sized abrupt-change cross-section ring piece
CN114367613A (en) * 2021-12-16 2022-04-19 贵州航宇科技发展股份有限公司 Z-shaped TI6AL4V alloy ring forming method
CN114367613B (en) * 2021-12-16 2023-08-01 贵州航宇科技发展股份有限公司 Z-shaped TI6AL4V alloy ring piece forming method
CN115592065A (en) * 2022-09-29 2023-01-13 江苏翔能科技发展有限公司（Cn） Inner and outer diameter depth profiling heavy titanium alloy ring forging and forming method thereof
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