CN102615221A - Radial and axial rolling forming method for large-sized double-groove ring piece - Google Patents

Radial and axial rolling forming method for large-sized double-groove ring piece Download PDF

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CN102615221A
CN102615221A CN2011104144465A CN201110414446A CN102615221A CN 102615221 A CN102615221 A CN 102615221A CN 2011104144465 A CN2011104144465 A CN 2011104144465A CN 201110414446 A CN201110414446 A CN 201110414446A CN 102615221 A CN102615221 A CN 102615221A
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rolling
ring
radial
radius
axial
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CN102615221B (en
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钱东升
时大方
华林
汪小凯
张挺
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Zhejiang Tianma Bearing Co ltd
Wuhan University of Technology WUT
Tianma Bearing Group Co Ltd
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ZHEJIANG TIANMA BEARING CO Ltd
Wuhan University of Technology WUT
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Abstract

The invention relates to a radial and axial rolling forming method for a large-sized double-groove ring piece. The method mainly comprises the following steps: (1), manufacturing blanks: uniformly heating the bar section to the hot forging deformation temperature, unsetting, piercing and punching the hot material section on a press to manufacture ring piece blanks, wherein the size of each ring piece blank is determined according to the ring piece size, the rolling ratio and the radial and axial feeding quantity ratio; (2), designing a rolling hole shape, wherein the rolling hole shape consists of a driving roller working surface and a core roller working surface and the size of the driving roller working surface and the core roller working surface is determined according to the rolling linear velocity, the equipment parameters, the rolling deformation condition, the size of the ring piece blank and the size of the ring piece; and (3), rolling and forming: placing the ring piece blank on a ring rolling machine and rolling, wherein the rolling process is controlled by reasonably distributing feeding speed and feeding quantity according to three stages of prerolling, primary rolling and shaping rolling and the rolling process is finished when the outer diameter of the ring piece reaches the preset value. The method has the characteristics of high production efficiency, low production cost and high product quality.

Description

The axially rolled manufacturing process in a kind of large-scale pair of groove ring footpath
Technical field
The present invention relates to the axially rolled manufacturing process in a kind of large-scale pair of groove ring footpath.
Background technology
Diameter surpasses 1 meter, and inner surface has large-scale pair of groove ring of symmetrical groove, as rotating support ring, large-scale bearing ring etc., is widely used at engineering machinery, harbour machinery, wind power plant etc.This type of ring condition of work is abominable, bears low temperature, heavy duty, HI high impact etc. for a long time, and its performance and service life are had relatively high expectations.Ring footpath axially rolled (shown in Figure 1) is an a kind of advanced plastic working technique of producing large ring, but it obtains geometric accuracy height, high-quality large ring that structure property is good within a short period of time through the continuous local plastic distortion.Yet the axially rolled process in ring footpath is multiplex's parameter coupling complex deformation process down of planting, rolling technological parameter design and the process control difficulty big; Especially for the odd-shaped cross section ring rolling, easily because process parameters design or process control are unreasonable, when causing the ring diameter to reach dimensional requirement; Cross section profile can not be full of; Even cause the operation of rolling unstable, and form rolling defect, useless, defect rate is higher.Therefore, most large scale special-shaped section ring parts all are to pass through axially rolled one-tenth square-section, footpath ring earlier at present, cut out cross section profile again, and above-mentioned large-scale pair of groove ring promptly is like this.Through machine cut processing groove, cutting material loss and machining period consumption are big, and two groove processing precision are difficult to be consistent; And cut destroyed the ring metal streamline and distributed, and reduced the ring mechanical performance, thereby caused production efficiency low; Cost is high, and quality and life-span are difficult to guarantee.
Summary of the invention
To above-mentioned deficiency; The object of the present invention is to provide the axially rolled manufacturing process in a kind of large-scale pair of trench cross section ring footpath,, can realize being two groove rings by the direct roll forming of square-section ring blank through reasonably designing rolling technological parameter and optimizing the operation of rolling; Groove cut material and expenditure of time have significantly been reduced; And can obtain the preferred metal streamline distribution, improve production efficiency and product quality, reduce production cost.
To achieve these goals, technical scheme of the present invention is: the axially rolled manufacturing process in large-scale pair of trench cross section ring (hereinafter to be referred as ring) footpath comprises following performing step:
(1) base: the bar section evenly is heated to the forge hot deformation temperature from room temperature, then with hot material section on forcing press through jumping-up, punching, punching the wad, process the rolling ring blank of using.Ring blank dimension is confirmed as follows
1) calculates ring volume and sectional area
Ring volume
Figure 2011104144465100002DEST_PATH_IMAGE002
is calculated as follows
Wherein,
Figure 2011104144465100002DEST_PATH_IMAGE006
is the ring width;
Figure 2011104144465100002DEST_PATH_IMAGE008
;
Figure 2011104144465100002DEST_PATH_IMAGE010
is respectively in the ring; Outer radius;
Figure 2011104144465100002DEST_PATH_IMAGE012
is ring ditch groove radius;
Figure 2011104144465100002DEST_PATH_IMAGE014
is the trench cross section central angle.
Ring sectional area
Figure 2011104144465100002DEST_PATH_IMAGE016
is calculated as follows
Figure 2011104144465100002DEST_PATH_IMAGE018
, wherein is the ring wall thickness.
2) confirm rolling ratio
Rolling is the ratio of ring blank sectional area
Figure 2011104144465100002DEST_PATH_IMAGE024
and ring sectional area
Figure 424679DEST_PATH_IMAGE016
than
Figure 2011104144465100002DEST_PATH_IMAGE022
; It has reflected ring blank rolling deformation extent; Rolling ratio is big more, and ring blank deflection is big more.Rolling ratio is too little, and the ring blank can not produce abundant distortion and obtain grain structure tiny and that be evenly distributed; Rolling ratio is too big, and the ring blank produces tissue defects such as internal injury, crackle easily because of excessive deformation.Axially rolled for large-scale pair of groove ring footpath,
Figure 341819DEST_PATH_IMAGE022
value generally is taken as 2.5～4.
3) confirm radial and axial amount of feeding ratio
The ring blank is in the operation of rolling, and its radial thickness and axial height reduce simultaneously, and the reasonable distribution of radial and axial deflection is very important to rolling process stability and shaping ring geometric accuracy.Axially rolled for large-scale pair of groove ring footpath, radial and axial amount of feeding ratio
Figure 2011104144465100002DEST_PATH_IMAGE026
can be confirmed by following formula:
Figure 2011104144465100002DEST_PATH_IMAGE028
Wherein,
Figure 2011104144465100002DEST_PATH_IMAGE030
,
Figure 2011104144465100002DEST_PATH_IMAGE032
are respectively the radial and axial total feed amount of ring rolling,
Figure 2011104144465100002DEST_PATH_IMAGE034
,
Figure 2011104144465100002DEST_PATH_IMAGE036
be ring blank wall thickness and the height.
4) confirm ring blank wall thickness and height
According to rolling than
Figure 744726DEST_PATH_IMAGE022
, radial and axial amount of feeding ratio
Figure 77618DEST_PATH_IMAGE026
, can confirm ring blank wall thickness
Figure 891990DEST_PATH_IMAGE034
and the height
Figure 901403DEST_PATH_IMAGE036
do
Figure 2011104144465100002DEST_PATH_IMAGE038
，
Figure 2011104144465100002DEST_PATH_IMAGE040
5) confirm the inside and outside radius of ring blank
According to blank wall thickness
Figure 106120DEST_PATH_IMAGE034
, highly and ring volume
Figure 973899DEST_PATH_IMAGE002
; In conjunction with plastic deformation constancy of volume principle, can confirm that ring blank outer radius
Figure 2011104144465100002DEST_PATH_IMAGE042
, inside radius
Figure 2011104144465100002DEST_PATH_IMAGE044
do
Figure 2011104144465100002DEST_PATH_IMAGE046
，
Figure 2011104144465100002DEST_PATH_IMAGE048
(2) rolling groove design: rolling groove is made up of driven roller working face and core roller working face.Wherein, the driven roller working face is the face of cylinder, and core roller working face is combined by the face of cylinder and two ditch spheres, and driven roller and core roll structure are as shown in Figure 4.Driven roller and core roller working face size are confirmed by following:
1) confirms driven roller working face radius and width
In order to guarantee that the ring stable rolling is shaped; Driven roller linear velocity is got 1.1～1.3m/s usually; Can confirm driven roller working face radius
Figure 2011104144465100002DEST_PATH_IMAGE052
according to driven roller linear velocity
Figure 593361DEST_PATH_IMAGE050
; Wherein,
Figure 2011104144465100002DEST_PATH_IMAGE054
is the driven roller rotating speed; is motor speed;
Figure 2011104144465100002DEST_PATH_IMAGE058
is gearratio,
Figure 472324DEST_PATH_IMAGE056
,
Figure 209336DEST_PATH_IMAGE058
confirmed by device parameter.Driven roller face width
Figure 2011104144465100002DEST_PATH_IMAGE060
2) confirm core roller ditch ball size
The core roller ditch ball ring groove that is used for being shaped, its size is corresponding with the ring groove dimensions, can confirm as follows
Figure 2011104144465100002DEST_PATH_IMAGE062
， ， ，
Figure 2011104144465100002DEST_PATH_IMAGE068
Wherein,
Figure 2011104144465100002DEST_PATH_IMAGE070
,
Figure 2011104144465100002DEST_PATH_IMAGE072
are respectively ring gash depth and width,
Figure 2011104144465100002DEST_PATH_IMAGE074
,
Figure 2011104144465100002DEST_PATH_IMAGE076
,
Figure 2011104144465100002DEST_PATH_IMAGE078
,
Figure 2011104144465100002DEST_PATH_IMAGE080
be respectively the core roller ditch ball degree of depth, highly, radius and cross section central angle.
3) confirm core roller ditch spherical radius and width
In order to guarantee the ring blank in radially pass generation continuous rolling distortion, driven roller working face radius and core roller ditch spherical radius should satisfy following condition.
Figure 2011104144465100002DEST_PATH_IMAGE082
In the formula,
Figure 2011104144465100002DEST_PATH_IMAGE084
is core roller ditch spherical radius;
Figure 2011104144465100002DEST_PATH_IMAGE086
is angle of friction, and
Figure 2011104144465100002DEST_PATH_IMAGE088
is coefficient of friction.Be rolled in order to make the core roller can penetrate the ring blanking inner hole smoothly, core roller maximum functional radius surface should guarantee
Figure 2011104144465100002DEST_PATH_IMAGE090
usually.Can confirm that according to above-mentioned condition core roller ditch spherical radius span does
Figure 2011104144465100002DEST_PATH_IMAGE092
Thereby can confirm that core roller face of cylinder radius is
Figure 2011104144465100002DEST_PATH_IMAGE094
.According to geometrical relationship, can confirm that each section of core roller working face axial width does
Figure 2011104144465100002DEST_PATH_IMAGE096
，
Figure 2011104144465100002DEST_PATH_IMAGE098
，
Figure 2011104144465100002DEST_PATH_IMAGE100
(3) roll forming: the ring blank that makes is put machine for rolling ring be rolled, the operation of rolling is controlled by rolling, main rolling, the rolling three phases of shaping in advance.Preparatory rolling sequence, control core roller and epicone roller respectively radially and axially feeding are at a slow speed eliminated the wall thickness difference and the difference in height of forging the base generation gradually; Main rolling sequence makes full use of capacity of equipment, and control core roller and epicone roller produce fully ring and are out of shape respectively radially with axially with very fast feeding; The shaping rolling sequence; When outside the ring during span predetermined value 100～200mm, control core roller and epicone roller respectively radially and axially feeding are at a slow speed eliminated the wall thickness difference and the ovality of ring distortion generation; Keep ring slowly to grow up; When survey ring external diameter reaches predetermined value, radial and axial feed-disabling, the operation of rolling finishes.In the operation of rolling, each stage feed speed and amount of feeding control curve are as shown in Figure 5, and each parameter is confirmed by following among the figure:
Radial feed speed:
Figure 2011104144465100002DEST_PATH_IMAGE102
;
Figure 2011104144465100002DEST_PATH_IMAGE104
,
Figure 2011104144465100002DEST_PATH_IMAGE106
Radial feeds:
Figure 2011104144465100002DEST_PATH_IMAGE108
;
Figure 2011104144465100002DEST_PATH_IMAGE110
;
Figure 2011104144465100002DEST_PATH_IMAGE112
Axial feed velocity:
Figure 2011104144465100002DEST_PATH_IMAGE114
;
Figure 2011104144465100002DEST_PATH_IMAGE116
,
Axial feeding:
Figure 2011104144465100002DEST_PATH_IMAGE120
; ;
Figure 2011104144465100002DEST_PATH_IMAGE124
Wherein,
Figure 2011104144465100002DEST_PATH_IMAGE126
For making ring produce the needed minimum feed speed of rolling deformation,
Figure 2011104144465100002DEST_PATH_IMAGE128
.
The present invention adopts large-scale pair of groove ring of the ring axially rolled processes in footpath; Through adding up to design ring blank and rolling groove and controlled rolling process; Realization is two groove rings by the direct roll forming of rectangle ring blank, has reduced material and machining period consumption, has improved the ring metal streamline and has distributed; Improve production efficiency and product quality, reduced production cost.
Description of drawings
Fig. 1 is the axially rolled schematic diagram in ring footpath of the embodiment of the invention;
The 1-driven roller, 2-core roller, the 3-guide bars, 4-ring blank, 5-epicone roller, 6-be the awl roller down, the 7-measuring roller;
Fig. 2 is the ring sectional view of the embodiment of the invention;
Fig. 3 is the ring blank sectional view of the embodiment of the invention;
Fig. 4 is the driven roller face structure figure of the embodiment of the invention;
Fig. 5 is the core roller face structure figure of the embodiment of the invention;
Fig. 6 is the ring rolling radial feeds and the radial feed speed control curve figure of the embodiment of the invention;
1. in advance rolling sequence, 2. main rolling sequence, 3. shaping rolling sequence among the figure;
Fig. 7 is the ring rolling axial feeding and the axial feed velocity control curve map of the embodiment of the invention;
1. in advance rolling sequence, 2. main rolling sequence, 3. shaping rolling sequence among the figure.
The specific embodiment
With large-scale pair of groove ring as shown in Figure 2 (abbreviation ring) is the practical implementation object; The ring physical dimension is: outer radius
Figure 2011104144465100002DEST_PATH_IMAGE130
is 1050mm; Inside radius
Figure 2011104144465100002DEST_PATH_IMAGE132
is 944; Width
Figure 2011104144465100002DEST_PATH_IMAGE134
is that 178mm,
Figure 2011104144465100002DEST_PATH_IMAGE136
are 18.5mm for 40.25mm,
Figure 2011104144465100002DEST_PATH_IMAGE138
; Groove central angle
Figure 2011104144465100002DEST_PATH_IMAGE140
is
Figure 2011104144465100002DEST_PATH_IMAGE142
, and groove arc radius is that 20mm, gash depth
Figure 2011104144465100002DEST_PATH_IMAGE146
are 39.5mm for 17mm, groove width
Figure 2011104144465100002DEST_PATH_IMAGE148
.Its axially rolled manufacturing process in footpath is realized as follows:
1) base: the bar section evenly is heated to the forge hot deformation temperature from room temperature, then with hot material section on forcing press through jumping-up, punching, punching the wad, process rolling with ring blank 4.According to ring blank 4 size design methods; Getting rolling is 3.5 than
Figure 415277DEST_PATH_IMAGE022
; Confirm that ring blank 4 is of a size of: outer radius
Figure 2011104144465100002DEST_PATH_IMAGE150
is 409.51mm; Inside radius is 162.87mm, and width
Figure 2011104144465100002DEST_PATH_IMAGE154
is 251.63mm.(shown in Figure 3).
2) rolling groove design: get roll line speed
Figure 969756DEST_PATH_IMAGE050
and be 1.2m/s; According to the rolling groove method for designing; By structural design rolling groove shown in Figure 4, wherein: driven roller 1 working face radius
Figure 2011104144465100002DEST_PATH_IMAGE156
is that 350mm, width are 178mm; The core roller 2 ditch ball degree of depth
Figure 149064DEST_PATH_IMAGE074
are that 17mm, ditch ball width
Figure 424188DEST_PATH_IMAGE076
are 39.5mm; Ditch ball central angle
Figure 67659DEST_PATH_IMAGE080
is
Figure 91241DEST_PATH_IMAGE142
, the ditch radius of a ball
Figure 820162DEST_PATH_IMAGE078
is 20mm; Core roller 2 ditch spherical radius
Figure 898977DEST_PATH_IMAGE084
are 150mm; Face of cylinder radius
Figure 2011104144465100002DEST_PATH_IMAGE160
is 133mm, and core roller 2 width
Figure 2011104144465100002DEST_PATH_IMAGE162
are that 178mm,
Figure 2011104144465100002DEST_PATH_IMAGE164
are 40.25mm for 113.88mm,
Figure 2011104144465100002DEST_PATH_IMAGE166
for 18.5mm, .
3) roll forming: will put machine for rolling ring by the ring blank 4 that above-mentioned size makes and be rolled, the operation of rolling is controlled by rolling, main rolling, the rolling three phases of shaping in advance.The radial and axial feed speed of each stage of the operation of rolling and the amount of feeding are controlled by curve shown in Figure 6; Wherein: preparatory rolling sequence; Radial and axial feed speed ,
Figure 2011104144465100002DEST_PATH_IMAGE172
are respectively 0.65mm/s, 0.38mm/s, and the radial and axial amount of feeding
Figure 2011104144465100002DEST_PATH_IMAGE174
,
Figure 2011104144465100002DEST_PATH_IMAGE176
are respectively 6.18mm, 3.68mm; Main rolling sequence; Radial and axial feed speed
Figure 2011104144465100002DEST_PATH_IMAGE178
,
Figure 2011104144465100002DEST_PATH_IMAGE180
are respectively 3.78mm/s, 2.24mm/s, and the radial and axial amount of feeding
Figure 2011104144465100002DEST_PATH_IMAGE182
,
Figure 2011104144465100002DEST_PATH_IMAGE184
are respectively 105.09mm, 62.59mm; The shaping rolling sequence; Radial and axial feed speed
Figure 2011104144465100002DEST_PATH_IMAGE186
,
Figure 2011104144465100002DEST_PATH_IMAGE188
are respectively 0.54mm/s, 0.32mm/s, and the radial and axial amount of feeding
Figure 2011104144465100002DEST_PATH_IMAGE190
,
Figure 2011104144465100002DEST_PATH_IMAGE192
are respectively 12.36mm, 7.36mm.When the measuring roller 7 ring external diameter of surveying reaches predetermined value, radial and axial feed-disabling, the operation of rolling finishes.

Claims (1)

1. the axially rolled manufacturing process in large-scale pair of groove ring footpath comprises following performing step:
(1) base: the bar section evenly is heated to the forge hot deformation temperature from room temperature, then with hot material section on forcing press through jumping-up, punching, punching the wad, process the rolling ring blank of using, ring blank dimension is confirmed as follows
1) calculates ring volume and sectional area
The ring volume is pressed following formula and is confirmed
Wherein,
Figure 998527DEST_PATH_IMAGE004
is the ring width; ;
Figure 173474DEST_PATH_IMAGE008
is respectively in the ring; Outer radius;
Figure 174797DEST_PATH_IMAGE010
is ring ditch groove radius; is trench cross section
Central angle;
Ring sectional area
Figure 2011104144465100001DEST_PATH_IMAGE013
is pressed following formula and is confirmed
Figure 201975DEST_PATH_IMAGE014
, wherein
Figure 2011104144465100001DEST_PATH_IMAGE015
is the ring wall thickness;
2) confirm rolling ratio
Rolling is the ratio of ring blank sectional area and ring sectional area
Figure 194388DEST_PATH_IMAGE013
than
Figure 400876DEST_PATH_IMAGE016
, rolling than
Figure 187752DEST_PATH_IMAGE016
value 2.5～4;
3) confirm radial and axial amount of feeding ratio
Radial and axial amount of feeding ratio
Figure 942081DEST_PATH_IMAGE018
is pressed following formula and is confirmed:
Figure 2011104144465100001DEST_PATH_IMAGE019
Wherein,
Figure 866044DEST_PATH_IMAGE020
,
Figure 2011104144465100001DEST_PATH_IMAGE021
are respectively the radial and axial total feed amount of ring rolling,
Figure 327112DEST_PATH_IMAGE022
,
Figure 2011104144465100001DEST_PATH_IMAGE023
be ring blank wall thickness and the height;
4) confirm ring blank wall thickness and height
According to rolling than
Figure 946837DEST_PATH_IMAGE016
, radial and axial amount of feeding ratio
Figure 188462DEST_PATH_IMAGE018
, confirm ring blank wall thickness
Figure 463586DEST_PATH_IMAGE022
and the height do
Figure 379906DEST_PATH_IMAGE024
，
Figure 2011104144465100001DEST_PATH_IMAGE025
5) confirm the inside and outside radius of ring blank
According to blank wall thickness
Figure 295779DEST_PATH_IMAGE022
, highly
Figure 374593DEST_PATH_IMAGE023
and ring volume
Figure 810254DEST_PATH_IMAGE026
; In conjunction with plastic deformation constancy of volume principle, confirm that ring blank outer radius , inside radius
Figure 581900DEST_PATH_IMAGE028
do
Figure 2011104144465100001DEST_PATH_IMAGE029
，
Figure 719490DEST_PATH_IMAGE030
(2) rolling groove design: rolling groove is made up of driven roller working face and core roller working face; The driven roller working face is the face of cylinder; Core roller working face is combined by the face of cylinder and two ditch spheres, and driven roller working face and core roller working face size are confirmed according to the following steps:
1) confirms driven roller working face radius and width
Driven roller linear velocity is got 1.1～1.3m/s; Confirm driven roller working face radius
Figure 892162DEST_PATH_IMAGE032
according to driven roller linear velocity
Figure 539678DEST_PATH_IMAGE031
; Wherein,
Figure 2011104144465100001DEST_PATH_IMAGE033
is the driven roller rotating speed;
Figure 21661DEST_PATH_IMAGE034
is motor speed;
Figure 2011104144465100001DEST_PATH_IMAGE035
is gearratio; Motor speed
Figure 459596DEST_PATH_IMAGE034
, gearratio
Figure 817896DEST_PATH_IMAGE035
are confirmed driven roller face width by device parameter
2) confirm core roller ditch ball size
The core roller ditch ball ring groove that is used for being shaped, core roller ditch ball size is corresponding with the ring groove dimensions, presses following formula and confirms
， ，
Figure 2011104144465100001DEST_PATH_IMAGE039
，
Figure 519026DEST_PATH_IMAGE040
Wherein,
Figure 2011104144465100001DEST_PATH_IMAGE041
,
Figure 681017DEST_PATH_IMAGE042
are respectively ring gash depth and width,
Figure 2011104144465100001DEST_PATH_IMAGE043
,
Figure 929465DEST_PATH_IMAGE044
,
Figure 2011104144465100001DEST_PATH_IMAGE045
,
Figure 213815DEST_PATH_IMAGE046
be respectively the core roller ditch ball degree of depth, highly, radius and cross section central angle;
3) confirm core roller ditch spherical radius and width
Driven roller working face radius and core roller ditch spherical radius satisfy following formula
Figure 2011104144465100001DEST_PATH_IMAGE047
In the formula,
Figure 564025DEST_PATH_IMAGE048
is core roller ditch spherical radius;
Figure 2011104144465100001DEST_PATH_IMAGE049
is angle of friction;
Figure 778975DEST_PATH_IMAGE050
is coefficient of friction; Core roller maximum functional radius surface satisfies
Figure 2011104144465100001DEST_PATH_IMAGE051
, confirms that according to above-mentioned condition core roller ditch spherical radius span does
Figure 960557DEST_PATH_IMAGE052
Thereby confirm that core roller face of cylinder radius is
Figure 2011104144465100001DEST_PATH_IMAGE053
, confirm that each section of core roller working face axial width does
Figure 87913DEST_PATH_IMAGE054
，
Figure 2011104144465100001DEST_PATH_IMAGE055
，
Figure 174687DEST_PATH_IMAGE056
(3) roll forming: the ring blank that makes is put machine for rolling ring be rolled, the operation of rolling is controlled by rolling, main rolling, the rolling three phases of shaping in advance; Preparatory rolling sequence; Control core roller and epicone roller are distinguished radially and axial feed; Preparatory rolling radial feed speed ; Preparatory rolling radial feeds
Figure 740798DEST_PATH_IMAGE058
; Preparatory rolling axial feed velocity
Figure 2011104144465100001DEST_PATH_IMAGE059
; Preparatory rolling axial feeding
Figure 980149DEST_PATH_IMAGE060
is eliminated gradually and is forged wall thickness difference and the difference in height that base produces; Main rolling sequence; Control core roller and epicone roller are distinguished radially and axial feed; Main rolling radial feed speed
Figure 2011104144465100001DEST_PATH_IMAGE061
; Main rolling radial feeds ; Main rolling axial feed velocity
Figure 2011104144465100001DEST_PATH_IMAGE063
; Main rolling axial feeding
Figure 843687DEST_PATH_IMAGE064
makes ring produce fully distortion; The shaping rolling sequence; When outside the ring during span predetermined value 100～200mm; Control core roller and epicone roller are distinguished radially and axial feed; The rolling radial feed speed of shaping
Figure 2011104144465100001DEST_PATH_IMAGE065
; The rolling radial feeds of shaping
Figure 400439DEST_PATH_IMAGE066
; The rolling axial feed velocity of shaping
Figure 2011104144465100001DEST_PATH_IMAGE067
; The rolling axial feeding of shaping
Figure 291035DEST_PATH_IMAGE068
; Eliminate wall thickness difference and ovality that the ring distortion produces; Keep ring slowly to grow up; When measuring roller is surveyed the ring external diameter and is reached predetermined value; Radial and axial feed-disabling, the operation of rolling finishes
Wherein
Figure 2011104144465100001DEST_PATH_IMAGE069
produces the needed minimum feed speed of rolling deformation,
Figure 25772DEST_PATH_IMAGE070
for making ring.
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CN106238632A (en) * 2016-08-12 2016-12-21 西安航空职业技术学院 The rolling forming method of H-shaped section ring parts
CN106825339A (en) * 2017-03-01 2017-06-13 西北工业大学 A kind of special-shaped blank method for designing of high temperature alloy F type section ring parts
CN111266500A (en) * 2020-02-25 2020-06-12 西北工业大学太仓长三角研究院 Method for determining the feed rate of a core roll driven by the feed rate in a ring rolling process
CN111266501A (en) * 2020-02-25 2020-06-12 西北工业大学太仓长三角研究院 Method for determining variable main roller rotating speed driven by ring rotating speed in ring rolling process
CN111283124A (en) * 2020-02-25 2020-06-16 西北工业大学深圳研究院 Method for determining feeding speed of core roller driven by ring acceleration in radial rolling of ring piece
CN112122515A (en) * 2020-07-30 2020-12-25 伊莱特能源装备股份有限公司 Process for rolling and shaping ultra-large integral ring forging
CN112756917A (en) * 2020-12-31 2021-05-07 安徽砼宇特构科技有限公司 Production process of stainless steel bushing ring
CN112792269A (en) * 2021-01-14 2021-05-14 重庆大学 Method for ensuring ring rigidity in rolling process of rectangular ring
CN113020505A (en) * 2021-03-08 2021-06-25 武汉理工大学 Near-net composite rolling method capable of controlling circumferential-axial performance of thin-wall high-thickness rib conical cylinder
CN113084053A (en) * 2021-03-25 2021-07-09 武汉理工大学 Rolling extrusion composite near-net forming method for large inner contour abrupt cross-section ring piece
CN113579129A (en) * 2021-07-29 2021-11-02 武汉理工大学 Method for calculating rolling force of complex special-shaped section ring piece based on segmentation and accumulation
CN113814662A (en) * 2021-09-28 2021-12-21 汕头华兴冶金设备股份有限公司 Method for manufacturing copper bottom ring of submerged arc furnace
CN114850363A (en) * 2022-04-12 2022-08-05 无锡神意环件法兰有限公司 Auxiliary grinding ring positioning device for forge piece and using method
CN115488269A (en) * 2022-08-15 2022-12-20 燕山大学 Variable-thickness ring rolling method based on multi-point value finding method

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CN201049378Y (en) * 2007-03-05 2008-04-23 贵州安大航空锻造有限责任公司 Combined rolling die for annular forging with high-temperature alloy special-shaped cross section
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CN102974634A (en) * 2012-12-04 2013-03-20 中国航天科技集团公司长征机械厂 Method for carrying out progressive precision extrusion forming of thin-shelled parts with internal and external teeth based on generating method
CN105050749A (en) * 2013-03-21 2015-11-11 日立金属株式会社 Method of producing ring-rolling blank
CN103567336A (en) * 2013-11-22 2014-02-12 重庆大学 Ring rolling mill for rolling production of seamless ring piece with special-shaped cross section
CN105170850A (en) * 2015-09-23 2015-12-23 定州市金华蓝天汽车零部件有限公司 Centrifugal casting duplex-metal composite ring part hot extend-rolling forming technology
CN105195714A (en) * 2015-09-23 2015-12-30 太原科技大学 Method for casting, rolling and forming inner layer Q345B and outer layer 40 chromium (Cr) composite rings
CN105170850B (en) * 2015-09-23 2016-11-09 定州市金华蓝天汽车零部件有限公司 A kind of centrifugal casting bi-metal double is combined ring hot rolling forming technique
CN105195714B (en) * 2015-09-23 2017-07-25 太原科技大学 A kind of internal layer Q345B outer layers 40Cr is combined ring casting and rolles over manufacturing process
CN105436820A (en) * 2015-11-11 2016-03-30 武汉理工大学 Automatic production line and process for radial hot-rolled ring part
CN105436820B (en) * 2015-11-11 2017-10-24 武汉理工大学 A kind of radial direction Hot-rolled Rotary automatic production line and production technology
CN105396996A (en) * 2015-12-02 2016-03-16 贵州安大航空锻造有限责任公司 Isotropic rolling method for beta-phase titanium alloy rectangular ring
CN106238632A (en) * 2016-08-12 2016-12-21 西安航空职业技术学院 The rolling forming method of H-shaped section ring parts
CN106825339A (en) * 2017-03-01 2017-06-13 西北工业大学 A kind of special-shaped blank method for designing of high temperature alloy F type section ring parts
CN111266500A (en) * 2020-02-25 2020-06-12 西北工业大学太仓长三角研究院 Method for determining the feed rate of a core roll driven by the feed rate in a ring rolling process
CN111283124A (en) * 2020-02-25 2020-06-16 西北工业大学深圳研究院 Method for determining feeding speed of core roller driven by ring acceleration in radial rolling of ring piece
CN111266501A (en) * 2020-02-25 2020-06-12 西北工业大学太仓长三角研究院 Method for determining variable main roller rotating speed driven by ring rotating speed in ring rolling process
CN112122515B (en) * 2020-07-30 2022-11-11 伊莱特能源装备股份有限公司 Process for rolling and shaping ultra-large integral ring forging
CN112122515A (en) * 2020-07-30 2020-12-25 伊莱特能源装备股份有限公司 Process for rolling and shaping ultra-large integral ring forging
CN112756917A (en) * 2020-12-31 2021-05-07 安徽砼宇特构科技有限公司 Production process of stainless steel bushing ring
CN112792269A (en) * 2021-01-14 2021-05-14 重庆大学 Method for ensuring ring rigidity in rolling process of rectangular ring
CN113020505A (en) * 2021-03-08 2021-06-25 武汉理工大学 Near-net composite rolling method capable of controlling circumferential-axial performance of thin-wall high-thickness rib conical cylinder
CN113084053A (en) * 2021-03-25 2021-07-09 武汉理工大学 Rolling extrusion composite near-net forming method for large inner contour abrupt cross-section ring piece
CN113084053B (en) * 2021-03-25 2022-01-04 武汉理工大学 Rolling extrusion composite near-net forming method for large inner contour abrupt cross-section ring piece
CN113579129A (en) * 2021-07-29 2021-11-02 武汉理工大学 Method for calculating rolling force of complex special-shaped section ring piece based on segmentation and accumulation
CN113814662A (en) * 2021-09-28 2021-12-21 汕头华兴冶金设备股份有限公司 Method for manufacturing copper bottom ring of submerged arc furnace
CN114850363A (en) * 2022-04-12 2022-08-05 无锡神意环件法兰有限公司 Auxiliary grinding ring positioning device for forge piece and using method
CN115488269A (en) * 2022-08-15 2022-12-20 燕山大学 Variable-thickness ring rolling method based on multi-point value finding method

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