CN105903818A - Forming mold for automobile drive axle housing body - Google Patents
Forming mold for automobile drive axle housing body Download PDFInfo
- Publication number
- CN105903818A CN105903818A CN201610489319.4A CN201610489319A CN105903818A CN 105903818 A CN105903818 A CN 105903818A CN 201610489319 A CN201610489319 A CN 201610489319A CN 105903818 A CN105903818 A CN 105903818A
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- Prior art keywords
- axle housing
- die
- fixing seat
- mold
- punch set
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
- B21D45/04—Ejecting devices interrelated with motion of tool
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Forging (AREA)
Abstract
The invention discloses a forming mold for an automobile drive axle housing body. The forming mold for the automobile drive axle housing body comprises an upper mold body and a lower mold body. The upper mold body comprises an upper mold plate, an upper base plate, a male mold fixing plate and a plurality of male mold sets. The lower mold body comprises a plurality of female mold sets, a female mold fixing base and a lower mold plate. The front side and the rear side of the upper surface of the female mold set located on the edge are each provided with an insert. The left end and the right end of the upper surface of the female mold fixing base are each provided with two end positioning blocks, and the middle portion of the rear side of the upper surface of the female mold fixing base is provided with a middle positioning block. A positioning space for an axle housing body blanking piece can be defined by the end positioning blocks and the middle positioning block, A discharging ejector device is arranged inside the female mold fixing base, and a collecting ejector block which is connected with the female mold fixing base in a vertically sliding mode is arranged right in the middle of the interior of the female mold fixing base. A forming cavity for the axial housing body is formed by the male mold sets and the female mold sets jointly. According to the forming mold for the automobile drive axle housing body, through the long strip-shaped closed forming structure, the forming and discharging processes are smooth, and the effects that the appearance shape of the axle housing body is regular and the strength performance of the axle housing body is stable are guaranteed.
Description
Technical field
The invention belongs to machining equipment field, relate to a kind of axle housing mould, particularly to this body formed mould of a kind of automobile drive axle housing.
Background technology
The effect of automobile drive axle housing body is supporting and protects main reducing gear, differential mechanism and semiaxis etc..Meanwhile, it or the chief component of running gear, have together with propons (driven bridge) and bear the quality of automobile and during at running car, bear each moment when counter-force, moment of flexure and braking that driving wheel transmits, and passed to the functions such as vehicle frame by suspension.Automobile drive axle housing body can be divided into banjo axle and separable housing two class from structure.For adapting to bear the moment of driving wheel under different loads, the profile of banjo axle is typically the obform body from two ends to center in variable cross-section, and it uses the mode of upper and lower two pieces axle housing splicing butt welding to be made often.
The traditional mode of production of axle housing is that point six procedures are processed, it first uses single-point plate shearing machine to implement operation one blanking processing, secondly single-point enclosed steam-operating forcing press is used to implement the processing of operation two blanking, then single-point Closed Hydraulic machine is used to implement operation three processing and forming, then use single-point enclosed steam-operating forcing press to implement operation four and cut long processing, moreover use single-point enclosed steam-operating forcing press implement operation five trimming processing, finally use radial drilling machine implement operation six hole (tapping) processing.Use traditional processing technology, its molding procedure is generally because using open molding structure mould to make axle housing blank forming process be not sufficiently stable, and especially the pipe of its two-end part dehisces that size is wayward, flatness at the large flange of middle part is deteriorated bigger；And because workpiece loading or unloading operation more difficulty, discharging run the most smooth and easy, cause discharging process exception, cause production efficiency relatively low, produce the longest.
The present invention is based on optimization property that in prior art, production technology exists and considers, a kind of axle housing mould of design, axle housing blank forming process not only can be made stable, and product discharge process can be made smooth and easy, the mould of production axle housing is so met by designing a kind of energy, Improving The Quality of Products, improves the production efficiency of product, just seems the most necessary.
Summary of the invention
It is an object of the invention to optimize the deficiency of existing production technology, adapt to reality need, it is provided that this body formed mould of a kind of automobile drive axle housing.
In order to realize the purpose of the present invention, the technical solution used in the present invention is:
A kind of this forming die of automobile drive axle housing, including upper mold and lower mold, described upper mold includes cope match-plate pattern from top to bottom, upper padding plate, punch retainer and some punch set, described lower mold includes some die groups from top to bottom, recessed model fixing seat and lower bolster, before and after the upper surface of the die group being positioned at edge, both sides are respectively provided with an insert, the end, two ends, upper surface left and right of described recessed model fixing seat is respectively provided with the centre on rear side of two pieces end locating piece and upper surface thereof and is provided with an interfix block, the located space of axle housing blank is formed between end locating piece and interfix block, the inside of described recessed model fixing seat is provided with discharging jacking system and internal middle is provided with a feeding jacking block sliding up and down connection, described some punch set and some die groups collectively constitute the forming recess of axle housing.
Further, described punch set is four groups, the punch set being positioned at edge is the first punch set, 4th punch set is one, first punch set to the 3rd punch set is respectively arranged with the 4th punch set for symmetrical two pieces, and described die group is four groups, and the die group being positioned at edge is the first die group, 4th die group is one, and the first die group to the 3rd die group is respectively arranged with the 4th die group for symmetrical two pieces.
Further, four groups of punch set are arranged on below the same level installed surface of punch retainer, and four groups of die groups are installed in recessed model fixing seat, and the installed surface of recessed model fixing seat is symmetrical laterally-graded type plane.
Further, described discharging jacking system includes discharging push rod and bottom discharge spring, is uniformly provided with six bottom discharge push rods sliding up and down connection and bottom discharge spring altogether about the bosom of recessed model fixing seat.
Further, the bosom of described lower bolster is provided with two pieces and slides up and down the feeding push rod of connection.
Further, the lower surface of described feeding jacking block is placed on the upper surface of lower bolster, the lower section of feeding jacking block is provided with two pieces feeding push rod, the via of feeding jacking block and recessed model fixing seat bosom is connected by matched in clearance and sliding up and down, and feeding push rod passes through matched in clearance and sliding up and down and is connected with the via of lower bolster bosom.
Further, first punch set, the second punch set, the 3rd punch set and the 4th punch set are threaded connection the lower section being securedly mounted to punch retainer by the product orderly symmetric arrays of punch number-of-fragments, first die group, the second die group, the 3rd die group and the 4th die group are threaded connection the top being securedly mounted to recessed model fixing seat inner chamber both sides by the product orderly symmetric arrays of die number-of-fragments, and product punch number-of-fragments is corresponding by formed product shape with product die number-of-fragments.
Further, described recessed model fixing seat is securedly mounted to the top of lower bolster by bolt and alignment pin, the end, two ends, upper surface left and right of described recessed model fixing seat is bolted the centre on rear side of two pieces end locating piece and upper surface thereof and is bolted an interfix block, six through holes it are evenly equipped with about the inner cavity centre of recessed model fixing seat, the upper end of through hole is respectively by one bottom discharge push rod of matched in clearance, the bottom of through hole is respectively by one bottom discharge spring of matched in clearance, the lower surface of bottom discharge push rod is placed on the upper surface of bottom discharge spring, bottom discharge push rod and bottom discharge spring slide up and down with the through hole of recessed model fixing seat and are connected.
Further, before and after described cope match-plate pattern and lower bolster, two sides have been bolted one respectively near two ends, left and right end position and have hung handle.
The beneficial effects of the present invention is:
1. the strip closed type molding structure that the punch set of the present invention, die group and feeding jacking block collectively form can make the shaping of profiled member blank and discharging process smooth and easy, it is ensured that the face shaping of axle housing is regular and strength character stable；
2. the present invention carry bottom discharge push rod structure can make profiled member blank shaping and discharging process smooth and easy, can promote productive temp, strengthen production capacity, reduce production cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1；
Fig. 2 is the part of the lower die plan structure schematic diagram of the embodiment of the present invention 1；
Fig. 3 is the main TV structure after Workpiece shaping and dimensional drawing；
Fig. 4 is the plan structure after Workpiece shaping and dimensional drawing.
In figure, cope match-plate pattern 1, upper padding plate 2, punch retainer 3, the first punch set 4, second punch set 5, the 3rd punch set 6, the 4th punch set 7, interfix block 8, hangs handle 9, guide pin bushing fixed plate 10, guide pin bushing 11, guide pillar 12, end locating piece 13, insert 14, recessed model fixing seat 15, bottom discharge push rod 16, bottom discharge spring 17, lower bolster 18, the first die group 19, the second die group 20, the 3rd die group 21,4th die group 22, feeding push rod 23, feeding jacking block 24, axle housing 25.
Detailed description of the invention
The present invention is further described with embodiment below in conjunction with the accompanying drawings:
Embodiment: see Fig. 1 Fig. 4.
nullA kind of this forming die of automobile drive axle housing，Including upper mold and lower mold，Described upper mold includes that be fastenedly connected successively hangs handle 9 from top to bottom、Cope match-plate pattern 1、Upper padding plate 2、Four groups of punch set 4 it are transversely provided with on punch retainer 3 and same level position、5、6、7，4th punch set 7 is one，One to three groups are respectively arranged with the 4th punch set 7 for symmetrical two pieces，Described lower mold includes the four groups of die groups 19 being transversely provided with on notch cuttype horizontal level from top to bottom、20、21、22、Recessed model fixing seat 15、Lower bolster 18 and hang handle 9,4th die group 22 is one，One to three groups are respectively arranged with the 4th die group 22 for symmetrical two pieces，Before and after the upper surface of described first die group 19, both sides are respectively provided with an insert 14,The end, two ends, upper surface left and right of described recessed model fixing seat 15 is respectively provided with the centre on rear side of two pieces end locating piece 13 and upper surface thereof and is provided with an interfix block 8，Uniformly six bottom discharge push rods 16 sliding up and down connection and bottom discharge spring 17 it is provided with altogether about the bosom of described recessed model fixing seat 15，The middle, inside of described recessed model fixing seat 15 is provided with a feeding jacking block 24 sliding up and down connection，The bosom of described lower bolster 18 is provided with two pieces and slides up and down the feeding push rod 23 of connection，Described four groups of punch set 4、5、6、7、Four groups of die groups 19、20、21、22 and feeding jacking block 24 collectively constitute the forming recess of axle housing 25.
Guide pillar guide sleeve structure it is provided with between described upper mold and lower mold, described guide pin bushing 11 is connected with guide pin bushing fixed plate 10 by interference fit, described guide pin bushing fixed plate 10 is connected with cope match-plate pattern 1 by bolt and alignment pin, and described guide pillar 12 is connected with lower bolster 18 by interference fit.
Hang handle 9 to be threaded connection and be securedly mounted to before and after cope match-plate pattern 1 near two ends, left and right end position each one, two sides, upper padding plate 2 is securedly mounted to the lower section of cope match-plate pattern 1 by bolt and alignment pin, punch retainer 3 is securedly mounted to the lower section of upper padding plate 2 by bolt and alignment pin, and first punch set the 4, second punch set the 5, the 3rd punch set 6 and the 4th punch set 7 are threaded connection the lower section being securedly mounted to punch retainer 3 by the product orderly symmetric arrays of punch number-of-fragments；nullFirst die group 19、Second die group 20、3rd die group 21 and the 4th die group 22 are threaded connection the top being securedly mounted to recessed model fixing seat 15 inner chamber both sides by the product orderly symmetric arrays of die number-of-fragments，Recessed model fixing seat 15 is securedly mounted to the top of lower bolster 18 by bolt and alignment pin，Hang handle 9 to be threaded connection and be securedly mounted to before and after lower bolster 18 near two ends, left and right end position each one, two sides，Before and after the upper surface of the first die group 19, both sides are respectively bolted an insert 14，The end, two ends, upper surface left and right of recessed model fixing seat 15 is bolted the centre on rear side of two pieces end locating piece 13 and upper surface thereof and is bolted an interfix block 8，One bottom discharge spring 17 of matched in clearance is passed through respectively by the bottom in one bottom discharge push rod 16 of matched in clearance and its hole respectively in the upper end being evenly equipped with six bigger through holes and its hole about the inner cavity centre of recessed model fixing seat 15，The lower surface of bottom discharge push rod 16 is placed on the upper surface of bottom discharge spring 17 and it slides up and down with the through hole of recessed model fixing seat 15 and is connected，The upper end of bottom discharge push rod 16 respectively with the first die group 19、The through hole of the second die group 20 and the 3rd die group 21 bosom is by matched in clearance and slides up and down connection，The lower surface of feeding jacking block 24 is placed on the upper surface of lower bolster 18，The via of feeding jacking block 24 and recessed model fixing seat 15 bosom is connected by matched in clearance and sliding up and down，The lower section of feeding jacking block 24 is provided with two pieces feeding push rod 23，The via of feeding push rod 23 and lower bolster 18 bosom is connected by matched in clearance and sliding up and down.
The operation principle of the present invention is summarized as follows:
Axle housing of such card 4 × 2 vehicle drive axles is to be processed into by the hot rolled plate that 6.0mm is thick is stamped, just can be used for the processing of mould after blanking operation:
The first step, by this forming die of automobile drive axle housing of the present invention, is arranged on single-point enclosed 1000T hydraulic press.
Second step, the liftout tank of hydraulic press is reached the position of its stroke minimum point, feeding push rod 23 is put into the via in the middle of lower bolster 18 again and makes the upper plane upper plane less than lower bolster 18 of feeding push rod 23, then feeding jacking block 24 is put into the via in the middle of recessed model fixing seat 15.
3rd step, as shown in Figure 2, axle housing blank after blanking operation is placed on the top of four groups of die groups 19,20,21,22, and makes the end, two ends, left and right of axle housing blank be individually positioned in the centre of two pieces end, same one end locating piece 13 and make rear end end face in the middle part of it nestle up interfix block 8.
null4th step，Start forcing press and axle housing blank is carried out punch process，Workbench on lathe、First punch set 4、Second punch set 5、3rd punch set 6 and the 4th punch set 7 move downward，When the 4th punch set 7 contacts with axle housing blank, axle housing blank starts to produce elastic deformation，Along with on lathe, workbench moves further downward，Axle housing blank progressively with the 4th die group 22、Bottom discharge push rod 16、First punch set 4、Second punch set 5、3rd punch set 6、Insert 14、First die group 19、Second die group 20、3rd die group 21 and feeding jacking block 24 contact，Meanwhile，Bottom discharge push rod 16 moves because of the thrust compressed upwards downwardly together with bottom discharge spring 17，Until workbench runs to bottom dead centre on lathe，Again to lathe master cylinder pressurize time delay 2 to 3 seconds，Make axle housing 25 four groups of punch set 4、5、6、7、Four groups of die groups 19、20、21、22 and the forming recess that collectively constitutes of feeding jacking block 24 in complete shaping，Reach to be molded length 1386.7 mm、Dehisce end, two ends φ 75.6 mm、Width 70.4 mm in the range of flange face φ 250 broad in the middle、Flatness 1.2 mm、Flange circular arc R 125.3 mm broad in the middle、Middle variable cross-section length 390.5 mm、Difference in height 88.2 mm between flange extreme higher position broad in the middle and straight type pipe extreme higher position，After overmolding，The structure of workpiece and size such as Fig. 3、Shown in Fig. 4.
5th step, workbench, the first punch set the 4, second punch set the 5, the 3rd punch set 6 and the 4th punch set 7 upwards return on lathe, then the liftout tank of hydraulic press is reached the position of its stroke peak, make feeding push rod 23 by feeding jacking block 24 and axle housing 25 upwards jack-up, meanwhile, bottom discharge push rod 16 moves upwardly together because of compression thrust upwards with bottom discharge spring 17, and till making axle housing 25 depart from the inner chamber of recessed model fixing seat 15.
6th step, takes out axle housing 25 with hand and loads in body feed tank, restarts jacking cylinder of hydraulic press and resets, makes feeding push rod 23 that feeding jacking block 24 to be taken back the inner chamber of recessed model fixing seat 15.
Difference in height 88.2 mm between stable width 70.4 mm, flatness 1.2 mm, flange circular arc R 125.3 mm broad in the middle, middle variable cross-section length 390.5 mm, flange extreme higher position broad in the middle and the straight type pipe extreme higher position in the range of φ 75.6 mm, flange face φ 250 broad in the middle are dehisced in shaping length 1386.7 mm, end, two ends of the axle housing appearance and size that uses this forming die of automobile drive axle housing of the present invention to make, the uniformity of monnolithic case is regular, and the sustainable stable appearance and size guaranteeing axle housing reaches the design requirement of product drawing.Also improving production capacity while improving product quality, its blank of axle housing molding procedure of card 4 × 2 vehicle drive axle is molded and discharging process is the most smooth and easy and stablizes, and mold repair number of times significantly reduces.Single products split run production capacity is promoted to 1250 by 970, and split run production capacity improves 28.9%.
Claims (9)
- null1. this forming die of automobile drive axle housing，Including upper mold and lower mold，Described upper mold includes cope match-plate pattern (1) from top to bottom、Upper padding plate (2)、Punch retainer (3) and some punch set，Described lower mold includes some die groups from top to bottom、Recessed model fixing seat (15) and lower bolster (18),It is characterized in that，Before and after the upper surface of the die group being positioned at edge, both sides are respectively provided with an insert (14),The end, two ends, upper surface left and right of described recessed model fixing seat (15) is respectively provided with the centre on rear side of two pieces end locating piece (13) and upper surface thereof and is provided with an interfix block (8)，The located space of axle housing blank is formed between end locating piece (13) and interfix block (8)，The inside of described recessed model fixing seat (15) is provided with discharging jacking system and internal middle is provided with a feeding jacking block (24) sliding up and down connection，Described some punch set and some die groups collectively constitute the forming recess of axle housing (25).
- A kind of this forming die of automobile drive axle housing the most according to claim 1, it is characterized in that, described punch set is four groups, the punch set being positioned at edge is the first punch set (4), 4th punch set (7) is one, first punch set to the 3rd punch set is respectively arranged with the 4th punch set (7) for symmetrical two pieces, described die group is four groups, the die group being positioned at edge is the first die group (19), 4th die group (22) is one, and the first die group to the 3rd die group is respectively arranged with the 4th die group (22) for symmetrical two pieces.
- A kind of this forming die of automobile drive axle housing the most according to claim 2, it is characterized in that, four groups of punch set (4,5,6,7) are arranged on below the same level installed surface of punch retainer (3), four groups of die groups (19,20,21,22) are installed in recessed model fixing seat (15), and the installed surface of recessed model fixing seat (15) is symmetrical laterally-graded type plane.
- A kind of this forming die of automobile drive axle housing the most according to claim 1 and 2, it is characterized in that, described discharging jacking system includes discharging push rod (16) and bottom discharge spring (17), is uniformly provided with six bottom discharge push rods (16) sliding up and down connection and bottom discharge spring (17) altogether about the bosom of recessed model fixing seat (15).
- A kind of this forming die of automobile drive axle housing the most according to claim 1 and 2, it is characterised in that the bosom of described lower bolster (18) is provided with two pieces and slides up and down the feeding push rod (23) of connection.
- A kind of this forming die of automobile drive axle housing the most according to claim 1 and 2, it is characterized in that, the lower surface of described feeding jacking block (24) is placed on the upper surface of lower bolster (18), the lower section of feeding jacking block (24) is provided with two pieces feeding push rod (23), the via of feeding jacking block (24) and recessed model fixing seat (15) bosom is connected by matched in clearance and sliding up and down, and feeding push rod (23) passes through matched in clearance and sliding up and down and is connected with the via of lower bolster (18) bosom.
- A kind of this forming die of automobile drive axle housing the most according to claim 1 and 2, it is characterized in that, first punch set (4), second punch set (5), 3rd punch set (6) and the 4th punch set (7) are threaded connection the lower section being securedly mounted to punch retainer (3) by the product orderly symmetric arrays of punch number-of-fragments, first die group (19), second die group (20), 3rd die group (21) and the 4th die group (22) are threaded connection the top being securedly mounted to recessed model fixing seat (15) inner chamber both sides by the product orderly symmetric arrays of die number-of-fragments, product punch number-of-fragments is corresponding by formed product shape with product die number-of-fragments.
- nullA kind of this forming die of automobile drive axle housing the most according to claim 1 and 2，It is characterized in that，Described recessed model fixing seat (15) is securedly mounted to the top of lower bolster (18) by bolt and alignment pin，The end, two ends, upper surface left and right of described recessed model fixing seat (15) is bolted the centre on rear side of two pieces end locating piece (13) and upper surface thereof and is bolted an interfix block (8)，Six through holes it are evenly equipped with about the inner cavity centre of recessed model fixing seat (15)，The upper end of through hole is respectively by one bottom discharge push rod (16) of matched in clearance，The bottom of through hole is respectively by one bottom discharge spring (17) of matched in clearance，The lower surface of bottom discharge push rod (16) is placed on the upper surface of bottom discharge spring (17)，Bottom discharge push rod (16) and bottom discharge spring (17) slide up and down with the through hole of recessed model fixing seat (15) and are connected.
- A kind of this forming die of automobile drive axle housing the most according to claim 1 and 2, it is characterised in that before and after described cope match-plate pattern (1) and lower bolster (18), two sides have been bolted one respectively near two ends, left and right end position and have hung handle (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610489319.4A CN105903818B (en) | 2016-06-29 | 2016-06-29 | A kind of this forming die of automobile drive axle housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610489319.4A CN105903818B (en) | 2016-06-29 | 2016-06-29 | A kind of this forming die of automobile drive axle housing |
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| Publication Number | Publication Date |
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| CN105903818A true CN105903818A (en) | 2016-08-31 |
| CN105903818B CN105903818B (en) | 2017-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610489319.4A Active CN105903818B (en) | 2016-06-29 | 2016-06-29 | A kind of this forming die of automobile drive axle housing |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109821967A (en) * | 2018-12-31 | 2019-05-31 | 合肥久享机械有限责任公司 | A kind of vehicle rear-axle housing piece blanking takes long processing platform |
| CN110340167A (en) * | 2019-07-17 | 2019-10-18 | 燕山大学 | A kind of automobile axle housing and its extrusion forming method and mold |
| CN111940582A (en) * | 2020-08-10 | 2020-11-17 | 大连理工大学 | Light alloy thin-wall curved surface part partition die pressing forming method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109821967A (en) * | 2018-12-31 | 2019-05-31 | 合肥久享机械有限责任公司 | A kind of vehicle rear-axle housing piece blanking takes long processing platform |
| CN110340167A (en) * | 2019-07-17 | 2019-10-18 | 燕山大学 | A kind of automobile axle housing and its extrusion forming method and mold |
| CN110340167B (en) * | 2019-07-17 | 2020-05-22 | 燕山大学 | Automobile axle housing and extrusion forming method and die thereof |
| CN111940582A (en) * | 2020-08-10 | 2020-11-17 | 大连理工大学 | Light alloy thin-wall curved surface part partition die pressing forming method |
| CN111940582B (en) * | 2020-08-10 | 2021-06-22 | 大连理工大学 | Light alloy thin-wall curved surface part partition die pressing forming method |
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| CN105903818B (en) | 2017-11-14 |
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