CN204308124U - For the assembling die of motor-car high gear ring blank forging - Google Patents

For the assembling die of motor-car high gear ring blank forging Download PDF

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Publication number
CN204308124U
CN204308124U CN201420714631.5U CN201420714631U CN204308124U CN 204308124 U CN204308124 U CN 204308124U CN 201420714631 U CN201420714631 U CN 201420714631U CN 204308124 U CN204308124 U CN 204308124U
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CN
China
Prior art keywords
counterdie
patrix
hole
planar annular
forging
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Withdrawn - After Issue
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CN201420714631.5U
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Chinese (zh)
Inventor
吴剑
戴玉同
徐锋
徐光顺
卞继扬
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ZHANGJIAGANG HAILU ANNULAR FORGING CO., LTD.
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ZHANGJIAGANG HAILU ANNULAR FORGINGS CO Ltd
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Priority to CN201420714631.5U priority Critical patent/CN204308124U/en
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Publication of CN204308124U publication Critical patent/CN204308124U/en
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Abstract

The utility model discloses the assembling die for the forging of motor-car high gear ring blank, comprise upper die and lower die, centering mandrel, cover mould, patrix is provided with the first through hole, and the lower surface of patrix is provided with the upper forming pockets coaxial with the first through hole; Counterdie is provided with the second through hole, and the upper surface of counterdie is provided with the lower forming pockets coaxial with the second through hole, and in lower forming pockets, be also provided with the detent that can be used for locating centering mandrel, detent is coaxial with the second through hole; Centering mandrel is coaxially arranged to an entirety by the first round platform section, the second cylindrical section, the 3rd inverted round stage section from top to bottom successively; Cover mould is annular element, and the Internal periphery of cover mould is coaxially arranged by the first round table surface, the second round table surface successively from top to bottom and forms.Use combinations thereof mould, the blank with motor-car high gear ring adjoining dimensions can be forged accurately, simply and fastly, reduce the difficulty of finish turning processing, improve production efficiency, reduce production cost.

Description

For the assembling die of motor-car high gear ring blank forging
Technical field
The utility model relates to the assembling die for the forging of motor-car high gear ring blank, belongs to special-shaped ring forgeable piece tool.
Background technology
At present, the production method of motor-car high gear ring is: with base steel for raw material, through blanking, forging base, die forging, obtain the blank with motor-car high gear ring adjoining dimensions, then after heat treatment, finish turning processing, obtain motor-car high gear ring, in contour forging technique, need the mould using special shape to carry out die forging base; But a lot of factory now, the Design of Dies of use is unreasonable, and the blank that die forging obtains and the External Shape that will manufacture differ greatly, and increase the difficulty of finish turning processing, consumption of raw materials is more, reduces production efficiency, adds production cost.
Utility model content
Technical problem to be solved in the utility model is: will provide a kind of assembling die with the blank of motor-car high gear ring profile and adjoining dimensions that can forge accurately, simply and fastly.
In order to solve the problem, the technical scheme that the utility model adopts is: for the assembling die of motor-car high gear ring blank forging, comprise patrix, counterdie, be characterized in: patrix is provided with the first through hole, the Internal periphery of the first through hole is coaxially made up of the upper face of cylinder and round table surface from top to bottom successively, the diameter wherein going up the face of cylinder equals the minimum diameter of round table surface, the lower surface of patrix is provided with the upper forming pockets coaxial with the first through hole, the bottom surface of upper forming pockets is from inside to outside successively by upper inner ring shape plane, upper planar annular, upper outside planar annular is coaxially formed, distance wherein between upper planar annular and patrix lower surface is less than the distance between upper outside planar annular and patrix lower surface, distance between upper outside planar annular and patrix lower surface is less than the distance between upper inner ring shape plane and patrix lower surface, smoothly transit with cambered surface between upper inner ring shape plane and upper planar annular, smoothly transit with cambered surface between upper planar annular and upper outside planar annular, counterdie is provided with the second through hole, second through hole is coaxially made up of rounding table top and the lower face of cylinder from top to bottom successively, wherein the minimum diameter of rounding table top equals the diameter on the lower face of cylinder, the upper surface of counterdie is provided with the lower forming pockets coaxial with the second through hole, the bottom surface of lower forming pockets is from inside to outside successively by lower inner ring shape plane, planar annular in lower, lower outside planar annular is coaxially formed, wherein lower middle distance between planar annular and counterdie upper surface is less than the distance between lower outside planar annular and counterdie upper surface, distance between lower outside planar annular and counterdie upper surface is less than the distance between lower inner ring shape plane and counterdie upper surface, smoothly transit with cambered surface between lower inner ring shape plane and lower middle planar annular, smoothly transit with cambered surface between planar annular and lower outside planar annular in lower, counterdie in the middle of lower inner ring shape plane is provided with the detent for locating centering mandrel, and detent is coaxial with the second through hole, wherein the maximum gauge of the upper outside planar annular of patrix equals the maximum gauge of the lower outside planar annular of counterdie, also comprise centering mandrel, cover mould, centering mandrel is coaxially arranged to an entirety by the first round platform section, the second cylindrical section, the 3rd inverted round stage section from top to bottom successively, wherein the maximum gauge of the first round platform section is less than the diameter of the second cylindrical section, the diameter of the second cylindrical section is greater than the maximum gauge of the 3rd inverted round stage section, the diameter of the second cylindrical section equals the diameter of detent, and the thickness of the second cylindrical section equals the degree of depth of detent, cover mould is annular element, the Internal periphery of cover mould is coaxially arranged by the first round table surface, the second round table surface successively from top to bottom and forms, wherein the maximum gauge of the first round table surface equals the minimum diameter of the second round table surface, and the minimum diameter of the first round table surface is less than the minimum diameter of lower middle planar annular, centering mandrel by the second cylindrical section and detent coordinate and the 3rd inverted round stage section was vertically installed on counterdie with coordinating of rounding table top, now centering mandrel is coaxial with the second through hole, patrix is placed on after on counterdie, and patrix makes the first through hole on patrix coaxial with the second through hole on counterdie by the first round platform section on centering mandrel with coordinating of the round table surface on patrix again.
Further, the aforesaid assembling die for the forging of motor-car high gear ring blank, wherein: the bus of the first round platform section on centering mandrel and the angle of its axis are 3 ~ 10 degree, is preferably 3 degree, the bus of the 3rd inverted round stage section and the angle of its axis are 3 ~ 10 degree, are preferably 3 degree.
Further, the aforesaid assembling die for the forging of motor-car high gear ring blank, wherein: smoothly transit with cambered surface between the first round table surface on cover mould and the second round table surface.
Further, the aforesaid assembling die for the forging of motor-car high gear ring blank, wherein: the sidewall of the upper forming pockets on patrix is outward-dipping, and the bus of the sidewall of upper forming pockets and the angle of its axis are 3 ~ 10 degree, be preferably 7 degree, the sidewall of the lower forming pockets on counterdie is outward-dipping, and the angle of the bus of the sidewall of lower forming pockets and its axis is 3 ~ 10 degree, is preferably 7 degree.
Further, the aforesaid assembling die for the forging of motor-car high gear ring blank, wherein: on the lower surface of patrix, be provided with the upper annular protrusion that can be used for cutting off overlap, and upper annular protrusion and the first through hole are coaxially arranged; The upper surface of counterdie is provided with the lower annular protrusion that can be used for cutting off overlap, and lower annular protrusion and the second through hole are coaxially arranged; When patrix is placed on counterdie, upper annular protrusion and lower annular protrusion can be sheared mutually, thus the overlap produced when cutting off die forging.
Further, the aforesaid assembling die for the forging of motor-car high gear ring blank, wherein: the axial section shape of upper annular protrusion and lower annular protrusion is all respectively triangle.
Further, the aforesaid assembling die for the forging of motor-car high gear ring blank, wherein: described leg-of-mutton height is 3 ~ 5mm, be preferably 3mm, leg-of-mutton base length is 7 ~ 13mm, is preferably 10mm.
The utility model has the advantages that: assembling die structure described in the utility model is simple, easy to operate; And use described assembling die, the blank with motor-car high gear ring profile and adjoining dimensions can be forged accurately, simply and fastly, reduce the difficulty of finish turning processing, improve production efficiency, reduce production cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of patrix.
Fig. 2 is the structural representation of counterdie.
Fig. 3 is the structural representation of centering mandrel.
Fig. 4 is the structural representation of cover mould.
Fig. 5 is the structural representation of just base.
Fig. 6 is the using state structural representation of upper die and lower die, centering mandrel.
Fig. 7 is the structure for amplifying schematic diagram at A place in Fig. 6.
Fig. 8 is the structural representation of motor-car high gear ring blank.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, the utility model is described in further detail.
For the assembling die of motor-car high gear ring blank forging, comprise patrix 1, counterdie 2, as shown in Figure 1, the first through hole 11 is provided with in the middle of patrix 1, the Internal periphery of the first through hole 11 is coaxially made up of the upper face of cylinder 111 and round table surface 112 from top to bottom successively, the diameter wherein going up the face of cylinder 111 equals the minimum diameter of round table surface 112, the lower surface 15 of patrix 1 is provided with the upper forming pockets 12 coaxial with the first through hole 11, the bottom surface of upper forming pockets 12 is from inside to outside successively by upper inner ring shape plane 121, upper planar annular 122, upper outside planar annular 123 is coaxially formed, distance wherein between upper planar annular 122 and patrix 1 lower surface 15 is less than the distance between upper outside planar annular 123 and patrix 1 lower surface 15, distance between upper outside planar annular 123 and patrix 1 lower surface 15 is less than the distance between upper inner ring shape plane 121 and patrix 1 lower surface 15, smoothly transit with cambered surface between upper inner ring shape plane 121 and upper planar annular 122, smoothly transit with cambered surface between upper planar annular 122 and upper outside planar annular 123, smoothly transit with cambered surface between each planar annular on above-mentioned upper forming pockets 12 bottom surface, be conducive to the flowing of metal, make to fill shape more abundant, thus the dimensional accuracy of blank after improve die forging, the sidewall of upper forming pockets 12 is outward-dipping, and the bus of the sidewall of upper forming pockets 12 and the angle of its axis are 3 ~ 10 degree, be preferably 7 degree, it is horn-like that the sidewall of upper forming pockets 12 is arranged to slightly to expand outwardly like this, be conducive to the demoulding of patrix 1.As shown in Figure 2, the centre of counterdie 2 is provided with the second through hole 21, second through hole 21 is coaxially made up of rounding table top 211 and the lower face of cylinder 212 from top to bottom successively, wherein the minimum diameter of rounding table top 211 equals the diameter on the lower face of cylinder 212, the upper surface 28 of counterdie 2 is provided with the lower forming pockets 22 coaxial with the second through hole 21, the bottom surface of lower forming pockets 22 is from inside to outside successively by lower inner ring shape plane 221, planar annular 222 in lower, lower outside planar annular 223 is coaxially formed, wherein lower middle distance between planar annular 222 and counterdie 2 upper surface 28 is less than the distance between lower outside planar annular 223 and counterdie 2 upper surface 28, distance between lower outside planar annular 223 and counterdie 2 upper surface 28 is less than the distance between lower inner ring shape plane 221 and counterdie 2 upper surface 28, smoothly transit with cambered surface between lower inner ring shape plane 221 and lower middle planar annular 222, smoothly transit with cambered surface between planar annular 222 and lower outside planar annular 223 in lower, smoothly transit with cambered surface between each planar annular on above-mentioned lower forming pockets 22 bottom surface, be conducive to the flowing of metal, make to fill shape more abundant, thus the dimensional accuracy of blank after improve die forging, counterdie in the middle of lower inner ring shape plane 221 is provided with the detent 23 coaxial with the second through hole 21, the sidewall of lower forming pockets 22 is outward-dipping, and the bus of the sidewall of lower forming pockets 22 and the angle of its axis are 3 ~ 10 degree, be preferably 7 degree, it is horn-like that the sidewall of lower forming pockets 22 is arranged to slightly to expand outwardly like this, be conducive to the demoulding of counterdie 2.The maximum gauge of the upper outside planar annular 123 wherein on patrix 1 equals the maximum gauge of the lower outside planar annular 223 on counterdie 2.Also comprise centering mandrel 3, cover mould 4, as shown in Figure 3, centering mandrel 3 is from top to bottom successively by the first round platform section 32, second cylindrical section 33, 3rd inverted round stage section 34 is coaxially arranged to an entirety, wherein the maximum gauge of the first round platform section 32 is less than the diameter of the second cylindrical section 33, the diameter of the second cylindrical section 33 is greater than the maximum gauge of the 3rd inverted round stage section 34, the diameter of the second cylindrical section 33 equals the diameter of detent 23, the thickness of the second cylindrical section 33 equals the degree of depth of detent 23, usually the supporting section 31 for carrying and install centering mandrel 3 is also provided with on the top of the first round platform section 32, the bus of the first round platform section 32 on centering mandrel 3 and the angle of its axis are 3 ~ 10 degree, be preferably 3 degree, the bus of the 3rd inverted round stage section 34 and the angle of its axis are also 3 ~ 10 degree, be preferably 3 degree, the second cylindrical section 33 on centering mandrel 3, it is more accurate that 3rd inverted round stage section 34 can make centering mandrel 3 locate on counterdie 2, it is tightr that first round platform section 32 can make centering mandrel 3 coordinate with patrix 1, thus make the location of patrix 1 more accurate, and the first round platform section 32 also helps the demoulding of patrix 1 and ring forging, in the present embodiment, centering mandrel 3 can ensure, counterdie 1, 2 upper, compacted under groove 12, the axiality of 22, thus make the ring forging that forges not yielding.In the die forging of routine, centering mandrel 3 and counterdie 2 are wholely set, and in the present embodiment, centering mandrel 3 and counterdie 2 are provided separately, and arrange like this and have the following advantages: one, the processing and fabricating of centering mandrel 3 and counterdie 2 is simpler; Two, upper and lower mould 1,2 and centering mandrel 3 are more prone to the demoulding; Three, when centering mandrel 3 or counterdie 2 damage, only damaged part need be changed, without the need to centering mandrel 3 is scrapped together with counterdie 2.As shown in Figure 4, cover mould 4 is annular element, the Internal periphery of cover mould 4 is from top to bottom successively by the first round table surface 41, second round table surface 42 coaxially arranges formation, wherein the maximum gauge of the first round table surface 41 equals the minimum diameter of the second round table surface 42, the minimum diameter of the first round table surface 41 is less than the minimum diameter of lower middle planar annular 222, and smoothly transit with cambered surface between the first round table surface 41 on cover mould 4 and the second round table surface 42, smoothly transit with cambered surface between first round table surface 41 and the second round table surface 42, be conducive to the flowing of metal, make to fill shape more abundant, thus the dimensional accuracy of blank after improve preform.Centering mandrel 3 by the second cylindrical section 33 and detent 23 coordinate and the 3rd inverted round stage section 34 is vertically installed on counterdie 2 with coordinating of rounding table top 211, now centering mandrel 3 is coaxial with the second through hole 21, patrix 1 is placed on after on counterdie 2, and patrix 1 makes the first through hole 11 on patrix 1 coaxial with the second through hole 21 on counterdie 2 by the first round platform section 32 on centering mandrel 3 with coordinating of the round table surface 112 on patrix 1 again.In actual production, consider blank consume in process of production, so the actual blank produced needed for motor-car high gear ring blank can be greater than theoretical blank, will cause patrix 1 and counterdie 2 like this in the process of matched moulds, unnecessary blank can be extruded upper and lower forming pockets 12,22 and enter in the gap between upper and lower mould 1,2 and form overlap.In the present embodiment, as shown in Figure 1, Figure 2, shown in Fig. 7, in order to cut off the overlap on blank, the lower surface 15 of patrix 1 is provided with the upper annular protrusion 13 that can be used for cutting off overlap, and upper annular protrusion 13 and the first through hole 11 are coaxially arranged; The upper surface 28 of counterdie 2 is provided with the lower annular protrusion 24 that can be used for cutting off overlap, and lower annular protrusion 24 and the second through hole 21 are coaxially arranged; When patrix 1 is placed on counterdie 2, upper annular protrusion 13 and lower annular protrusion 24 can be sheared mutually, thus the overlap produced when cutting off die forging, the axial section shape wherein going up annular protrusion 13 and lower annular protrusion 24 is all respectively triangle, and leg-of-mutton height is 3 ~ 5mm, is preferably 3mm, leg-of-mutton base length is 7 ~ 13mm, be preferably 10mm, the axial section shape of upper and lower annular protrusion 13,24 is all triangle, is conducive to the cut-out of overlap; Leg-of-mutton height is restricted, and is the height in order to gap between upper and lower mould 1,2 after reducing matched moulds, thus reduces the thickness of overlap; Leg-of-mutton base length is restricted, and is conveniently on upper and lower mould 1,2, process triangle on the one hand, being that the angle of shear in order to make triangle two sides be formed is less on the other hand, being beneficial to shear overlap.
The operation principle of assembling die for the forging of motor-car high gear ring blank described in the present embodiment is: first cover mould 4 is placed on pier thick after blank, then the upper anvil of hydraulic press covers the through hole on cover mould 4 and presses down simultaneously and carries out preform, obtained first base 5 as shown in Figure 5, again first base 5 is carried out rushing through hole on hydraulic press, the diameter of through hole is greater than the minimum diameter of the first round platform section 32, then centering mandrel 3 is installed on counterdie 2, again the small end rushing the first base 5 after through hole down large end be placed on afterwards upward on centering mandrel 3, then patrix 1 is placed on counterdie 2, now patrix 1 is subject to the location of centering mandrel 3, make the first through hole 11 on patrix 1 coaxial with the second through hole 21 on counterdie 2, press down patrix 1 again, make the first base 5 after rushing through hole upper, counterdie 1, plastic deformation between 2 and centering mandrel 3, as shown in Figure 6, after patrix 1 presses down and puts in place, rush the first base 5 after through hole upper, counterdie 1, 2 and the chamber that formed of centering mandrel 3 in fill shape complete, form the cross section contour that dotted line in motor-car high gear ring blank 6(figure is as shown in Figure 8 motor-car high gear ring blank 6 motor-car high gear ring of gained after finish turning processing).
The beneficial effects of the utility model are: assembling die structure described in the utility model is simple, easy to operate; And use described assembling die, the blank with motor-car high gear ring profile and adjoining dimensions can be forged accurately, simply and fastly, reduce the difficulty of finish turning processing, improve production efficiency, reduce production cost.

Claims (10)

1. for the assembling die of motor-car high gear ring blank forging, comprise patrix, counterdie, it is characterized in that: patrix is provided with the first through hole, the Internal periphery of the first through hole is coaxially made up of the upper face of cylinder and round table surface from top to bottom successively, the diameter wherein going up the face of cylinder equals the minimum diameter of round table surface, the lower surface of patrix is provided with the upper forming pockets coaxial with the first through hole, the bottom surface of upper forming pockets is from inside to outside successively by upper inner ring shape plane, upper planar annular, upper outside planar annular is coaxially formed, distance wherein between upper planar annular and patrix lower surface is less than the distance between upper outside planar annular and patrix lower surface, distance between upper outside planar annular and patrix lower surface is less than the distance between upper inner ring shape plane and patrix lower surface, smoothly transit with cambered surface between upper inner ring shape plane and upper planar annular, smoothly transit with cambered surface between upper planar annular and upper outside planar annular, counterdie is provided with the second through hole, second through hole is coaxially made up of rounding table top and the lower face of cylinder from top to bottom successively, wherein the minimum diameter of rounding table top equals the diameter on the lower face of cylinder, the upper surface of counterdie is provided with the lower forming pockets coaxial with the second through hole, the bottom surface of lower forming pockets is from inside to outside successively by lower inner ring shape plane, planar annular in lower, lower outside planar annular is coaxially formed, wherein lower middle distance between planar annular and counterdie upper surface is less than the distance between lower outside planar annular and counterdie upper surface, distance between lower outside planar annular and counterdie upper surface is less than the distance between lower inner ring shape plane and counterdie upper surface, smoothly transit with cambered surface between lower inner ring shape plane and lower middle planar annular, smoothly transit with cambered surface between planar annular and lower outside planar annular in lower, counterdie in the middle of lower inner ring shape plane is provided with the detent for locating centering mandrel, and detent is coaxial with the second through hole, wherein the maximum gauge of the upper outside planar annular of patrix equals the maximum gauge of the lower outside planar annular of counterdie, also comprise centering mandrel, cover mould, centering mandrel is coaxially arranged to an entirety by the first round platform section, the second cylindrical section, the 3rd inverted round stage section from top to bottom successively, wherein the maximum gauge of the first round platform section is less than the diameter of the second cylindrical section, the diameter of the second cylindrical section is greater than the maximum gauge of the 3rd inverted round stage section, the diameter of the second cylindrical section equals the diameter of detent, and the thickness of the second cylindrical section equals the degree of depth of detent, cover mould is annular element, the Internal periphery of cover mould is coaxially arranged by the first round table surface, the second round table surface successively from top to bottom and forms, wherein the maximum gauge of the first round table surface equals the minimum diameter of the second round table surface, and the minimum diameter of the first round table surface is less than the minimum diameter of lower middle planar annular, centering mandrel by the second cylindrical section and detent coordinate and the 3rd inverted round stage section was vertically installed on counterdie with coordinating of rounding table top, now centering mandrel is coaxial with the second through hole, patrix is placed on after on counterdie, and patrix makes the first through hole on patrix coaxial with the second through hole on counterdie by the first round platform section on centering mandrel with coordinating of the round table surface on patrix again.
2. the assembling die for the forging of motor-car high gear ring blank according to claim 1, it is characterized in that: the bus of the first round platform section on centering mandrel and the angle of its axis are 3 ~ 10 degree, the bus of the 3rd inverted round stage section and the angle of its axis are 3 ~ 10 degree.
3. the assembling die for the forging of motor-car high gear ring blank according to claim 2, it is characterized in that: the bus of the first round platform section on centering mandrel and the angle of its axis are 3 degree, the bus of the 3rd inverted round stage section and the angle of its axis are 3 degree.
4. the assembling die for the forging of motor-car high gear ring blank according to claim 1 or 2 or 3, is characterized in that: smoothly transit with cambered surface between the first round table surface on cover mould and the second round table surface.
5. the assembling die for the forging of motor-car high gear ring blank according to claim 1 or 2 or 3, it is characterized in that: the sidewall of the upper forming pockets on patrix is outward-dipping, and the bus of the sidewall of upper forming pockets and the angle of its axis are 3 ~ 10 degree, the sidewall of the lower forming pockets on counterdie is outward-dipping, and the angle of the bus of the sidewall of lower forming pockets and its axis is 3 ~ 10 degree.
6. the assembling die for the forging of motor-car high gear ring blank according to claim 5, is characterized in that: the bus of sidewall and the angle of its axis of upper forming pockets are 7 degree, and the bus of the sidewall of lower forming pockets and the angle of its axis are 7 degree.
7. the assembling die for the forging of motor-car high gear ring blank according to claim 1 or 2 or 3, it is characterized in that: on the lower surface of patrix, be provided with the upper annular protrusion that can be used for cutting off overlap, and upper annular protrusion and the first through hole are coaxially arranged; The upper surface of counterdie is provided with the lower annular protrusion that can be used for cutting off overlap, and lower annular protrusion and the second through hole are coaxially arranged; When patrix is placed on counterdie, upper annular protrusion and lower annular protrusion can be sheared mutually, thus the overlap produced when cutting off die forging.
8. the assembling die for the forging of motor-car high gear ring blank according to claim 7, is characterized in that: the axial section shape of upper annular protrusion and lower annular protrusion is all respectively triangle.
9. the assembling die for the forging of motor-car high gear ring blank according to claim 8, it is characterized in that: described leg-of-mutton height is 3 ~ 5mm, leg-of-mutton base length is 7 ~ 13mm.
10. the assembling die for the forging of motor-car high gear ring blank according to claim 9, it is characterized in that: described leg-of-mutton height is 3mm, leg-of-mutton base length is 10mm.
CN201420714631.5U 2014-11-25 2014-11-25 For the assembling die of motor-car high gear ring blank forging Withdrawn - After Issue CN204308124U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201420714631.5U CN204308124U (en) 2014-11-25 2014-11-25 For the assembling die of motor-car high gear ring blank forging

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104399857A (en) * 2014-11-25 2015-03-11 张家港海陆环形锻件有限公司 Assembling die used for forging high-speed gear ring blank of motor car
CN109482804A (en) * 2018-12-27 2019-03-19 贵州航宇科技发展股份有限公司 A kind of blanking mold and blank-making method for C font section annular forging piece
CN110449542A (en) * 2019-09-12 2019-11-15 哈尔滨工业大学 A kind of outer circular edge belt length lug forging part manufacturing process

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104399857A (en) * 2014-11-25 2015-03-11 张家港海陆环形锻件有限公司 Assembling die used for forging high-speed gear ring blank of motor car
CN104399857B (en) * 2014-11-25 2016-05-11 张家港中环海陆特锻股份有限公司 The assembling die forging for motor-car high gear ring blank
CN109482804A (en) * 2018-12-27 2019-03-19 贵州航宇科技发展股份有限公司 A kind of blanking mold and blank-making method for C font section annular forging piece
CN110449542A (en) * 2019-09-12 2019-11-15 哈尔滨工业大学 A kind of outer circular edge belt length lug forging part manufacturing process

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP03 Change of name, title or address

Address after: 215626 Suzhou, Jiangsu Province, Zhangjiagang City, Fengzhen Hexing Hexing Road, Huashan

Patentee after: ZHANGJIAGANG HAILU ANNULAR FORGING CO., LTD.

Address before: 215626, Jiangsu, Suzhou, Zhangjiagang Jin Fengzhen Hexing Zhenxing Road, Zhangjiagang land and sea ring forgings Co., Ltd.

Patentee before: Zhangjiagang Hailu Annular Forgings Co., Ltd.

AV01 Patent right actively abandoned

Granted publication date: 20150506

Effective date of abandoning: 20160511

C25 Abandonment of patent right or utility model to avoid double patenting