CN109014782A - The molding combination process of Electric Motor Wheel double guide post dampers and crossbeam connecting rod - Google Patents
The molding combination process of Electric Motor Wheel double guide post dampers and crossbeam connecting rod Download PDFInfo
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- CN109014782A CN109014782A CN201810886107.9A CN201810886107A CN109014782A CN 109014782 A CN109014782 A CN 109014782A CN 201810886107 A CN201810886107 A CN 201810886107A CN 109014782 A CN109014782 A CN 109014782A
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- guide hole
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- connecting rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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Abstract
The molding combination process of Electric Motor Wheel double guide post dampers and crossbeam connecting rod, includes the following steps (1) to process preset holes;(2) first time drawing and forming;(3) second of drawing and forming;(4) roll forming;(5) thermally expand;(6) guide sleeve cold events;(7) molding assembly.One, it is stretched as attachment base and extension, forms circular sliding slopes side at the corner around of attachment base upper end, circular sliding slopes side bottom is in big 8-shaped, and top is in small 8-shaped, and structural strength is high, and rigidity is good;Two, the left and right guide hole fixed ring of third processed in attachment base, by stretching twice and a roll forming, stretch it in place, and it will not fragmentation, two guide hole fixed rings and double guide posts cooperate, and avoid generating side-sway and beat, integral rigidity are good, the verticality of tire and vehicle body, the depth of parallelism is set to be guaranteed, to keep vehicle driving more safety and passenger riding more comfortable;Three, connecting rod finished product is thermally expanded and is assembled after guide sleeve cold events, then is interference fitted at normal temperature, and assembly is reliable.
Description
Technical field
The present invention relates to the molding combination process of Electric Motor Wheel double guide post dampers and crossbeam connecting rod.
Background technique
The suspension frame structure of new-energy automobile continues to use the design of conventional fuel oil automobile, the company of wheel and chassis substantially at present
It connects using independent suspension or rigid axle suspension structure, the structure suspension components are more, and structure is complicated, and each component passes through welding
Connection and fastener fix, the iron plate affected by force at welded connecting, suspension be hit collision after be easy to produce deformation, intensity
Difference, service life are short.
Summary of the invention
The purpose of the invention is to overcome prior art there are the shortcomings that, a kind of connecting rod processed and double is provided
Guide post fit structure avoids generating side-sway and beat, and integral rigidity is good, and obtaining the verticality of tire and vehicle body, the depth of parallelism can
By the molding combination process of the Electric Motor Wheel of guarantee double guide post dampers and crossbeam connecting rod.
The double guide post dampers of Electric Motor Wheel of the present invention and the technical solution of the molding combination process of crossbeam connecting rod are: including
Following steps:
(1), process preset holes: using punching machine, take sheet metal, left location hole and right location hole are stamped out on sheet metal,
Left and right positioning holes center obtains location hole plate away from for H;
(2), first time drawing and forming: using drawing die, take location hole plate, location hole plate is put into drawing die, will be left
The positioning guide column location fit of location hole and right location hole and drawing die cavity side, drawing die molding, by location hole plate
It is stretched to obtain connecting rod blank, connecting rod blank height is that H connecting rod blank is formed with the attachment base in left side and prolonging for right side
Extending portion, the attachment base upper end in left side are formed with circular sliding slopes side, and the bottom on circular sliding slopes side is big 8-shaped, the top on circular sliding slopes side
Portion is small 8-shaped, is formed with the first left guide hole fixed ring and the first right guide hole fixed ring, attachment base and extension at the top of attachment base
Outside be formed with flanging, the first left guide hole fixed ring and the first right guide hole fixed ring wall thickness are S1, the first left guide hole fixed ring
Aperture with the first right guide hole fixed ring is φ1, the height of the first left guide hole fixed ring and the first right guide hole fixed ring is H1, H1
Height is the 30% of H;
(3), second of drawing and forming: using drawing die, take connecting rod blank, and connecting rod blank is put into same secondary stretching die
In tool, core bedding frame of drawing die, drawing die molding, by the first of connecting rod blank the left guide hole fixed ring and first are replaced
Right guide hole fixed ring is stretched to obtain connecting rod semi-finished product, and connecting rod semi-finished product are formed with the second left guide hole fixed ring and second right side
Guide hole fixed ring, the second left guide hole fixed ring and the second right guide hole fixed ring wall thickness are S2, S2Wall thickness is S1The 80% of wall thickness, second
The aperture of left guide hole fixed ring and the second right guide hole fixed ring is φ2, φ2Aperture be φ1The 110% of aperture, the second left guide hole
The height of fixed ring and the second right guide hole fixed ring is H2, H2Height is the 53% of H height;
(4), roll forming: using roller press, and the type chamber of same secondary drawing die is put into roller press, connecting rod semi-finished product are taken
It is put into the type chamber of drawing die, rolling chieftain slowly declines, by the second of connecting rod semi-finished product the left guide hole fixed ring and second
Right guide hole fixed ring is rolled to obtain connecting rod finished product, and connecting rod finished product is formed with the left guide hole fixed ring of third and the right guide hole of third
Fixed ring, the left guide hole fixed ring of third and the right guide hole fixed ring wall thickness of third are S3, S3Wall thickness is S270%-the 75% of wall thickness, it is left
The aperture of guide hole fixed ring and right guide hole fixed ring is φ3, φ3Aperture be φ2The 105% of aperture, the left guide hole fixed ring of third
Height with the right guide hole fixed ring of third is H3, H3Height is the 60% of H height;
(5), thermally expand: using electric furnace, connecting rod finished product is put into electric furnace and is heated to 180 DEG C -190 DEG C, makes the left guide hole of third
The aperture φ of fixed ring and the right guide hole fixed ring of third3Expanded by heating;
(6), guide sleeve cold events: using freezing chamber, guide sleeve made of polytetrafluoroethylene material taken to be put into freezing chamber, be cooled to-
10 DEG C--15 DEG C, make guide sleeve cooling meat;
(7), molding assembly: the connecting rod finished product after taking expanded by heating is put into assembly tooling, while taking the guiding after cooling meat
Set is inserted into respectively in the left guide hole fixed ring of third and the right guide hole fixed ring of third of connecting rod finished product, cooling at normal temperature to fix,
The two elastic conjunction, interference fit value are S7/n6Millimeter.
The invention discloses a kind of molding combination process of Electric Motor Wheel double guide post dampers and crossbeam connecting rod, take first
Sheet metal is simultaneously struck out specified shape, while stamping out left and right location hole, is then put it in drawing die,
The cavity side of drawing die is equipped with positioning guide column, is cooperated by positioning guide column and left and right location hole, to the positioning orifice plate after punching press
Material plays positioning action, puts post-tensioning mold clamping well, and positioning guide column is pushed down on, it is made to exit left and right location hole, draws
It stretches mold to stretch the surrounding of left and right location hole and location hole plate vertically downward, forms the first left guide hole fixed ring, first
Right guide hole fixed ring and flanging, while left-right integrated two parts are stretched as, left side is attachment base, and right side is to extend
Portion, attachment base is higher than extension, while the corner of the upper end surrounding of attachment base is circular sliding slopes side, the bottom on circular sliding slopes side
In big 8-shaped, the top on circular sliding slopes side is in small 8-shaped, obtains connecting rod blank, is then put into the connecting rod blank another
(it can also be put into same secondary drawing die in secondary drawing die, only need to change core bedding frame of drawing die, the drawing die
The sub- outer diameter of core bedding frame be greater than previous secondary drawing die chieftain outer diameter), it is only solid to the first left guide hole in connecting rod blank at this time
Determine ring, the first right guide hole fixed ring progress succeeding stretch, obtains connecting rod semi-finished product, connecting rod semi-finished product are formed with the second left guide hole
Fixed ring and the second right guide hole fixed ring, the second left guide hole fixed ring and the second right guide hole fixed ring are thin by gradually elongation drawing, the
Two left guide hole fixed rings and the second right guide hole fixed ring wall thickness S2For the first left guide hole fixed ring and the first right guide hole fixed ring S1Wall
The aperture of thick 80%, the second left guide hole fixed ring and the second right guide hole fixed ring is φ2For the first left guide hole fixed ring and first
Right guide hole fixed ring φ1The height of the 110% of aperture, the second left guide hole fixed ring and the second right guide hole fixed ring is H2For first left side
The 53% of guide hole fixed ring and the first right guide hole fixed ring H height, at this time the second left guide hole fixed ring and the second right guide hole fixed ring
Be stretched to the extension limit of plate, continue stretch then may cause occur fragmentation, stretch it is not in place phenomena such as, then will
Connecting rod semi-finished product are put into roller press, and the rolling speed in roller press is slowed down, by milled head to the second left guide hole fixed ring
It is rolled with the second right guide hole fixed ring inner hole, plate is made to continue to extend, obtain connecting rod finished product, connecting rod finished product is formed with
Three left guide hole fixed rings and the right guide hole fixed ring of third, the wall thickness S of the left guide hole fixed ring of third and the right guide hole fixed ring of third3For
S270%-the 75% of wall thickness, the aperture φ of the left guide hole fixed ring of third and the right guide hole fixed ring of third3For φ2The 105% of aperture, the
The height H of three left guide hole fixed rings and the right guide hole fixed ring of third3It is the 60% of H height, connecting rod finished product is then put into electric furnace
In be heated to 180 DEG C -190 DEG C, generate thermal expansion, make its aperture φ3Slightly become larger, and guide sleeve is put into freezing chamber cooling
To -10 DEG C--15 DEG C, it is allowed to cool contraction, the guide sleeve after contraction is finally put into the third of the connecting rod finished product of thermal expansion
In left guide hole fixed ring and the right guide hole fixed ring of third, under normal temperature state, the two restores original size and generates interference fit.
The molding combination process of this programme Electric Motor Wheel double guide post dampers and crossbeam connecting rod, one, by stretching for the first time after, by it
Left-right integrated two parts are stretched as, left side is attachment base, and right side is extension, and attachment base is higher than extension, and connects
Circular sliding slopes side is formed at the corner around of seat upper end, the bottom on circular sliding slopes side is in big 8-shaped, and the top on circular sliding slopes side is in
Small 8-shaped, the structural strength is high, and rigidity is good;Two, it is formed with the left guide hole fixed ring of third in attachment base and the right guide hole of third is solid
Determine ring, the left guide hole fixed ring of the third and the right guide hole fixed ring of third make its stretching by stretching and a roll forming twice
In place, and will not fragmentation, and the two guide hole fixed rings in left and right and double guide posts cooperate, and avoid generating side-sway and beat, integral rigidity
It is good, guarantee that the verticality of tire and vehicle body, the depth of parallelism reliably, to make vehicle driving more safety and passenger riding more
Add comfortable;Three, connecting rod finished product is thermally expanded and is assembled after guide sleeve cold events, then is interference fitted at normal temperature, and assembly is reliable.
Detailed description of the invention
Fig. 1 is the schematic front view of sheet metal;
Fig. 2 is the schematic front view of location hole plate;
Fig. 3 is the structural schematic diagram of connecting rod blank;
Fig. 4 is the structural schematic diagram of connecting rod semi-finished product;
Fig. 5 is the structural schematic diagram of connecting rod finished product;
Fig. 6 is the structural schematic diagram that guide sleeve is arranged in connecting rod finished product;
Fig. 7 is the schematic top plan view that guide sleeve is arranged in connecting rod finished product;
Fig. 8 is the schematic side view that guide sleeve is arranged in connecting rod finished product.
Specific embodiment
The present invention relates to a kind of molding combination process of Electric Motor Wheel double guide post dampers and crossbeam connecting rod, such as Fig. 1-
Shown in Fig. 8, include the following steps:
(1), process preset holes: using punching machine, take sheet metal 20, left location hole 1 and right location hole are stamped out on sheet metal
2, left and right positioning holes center obtains location hole plate 3 away from for H;
(2), first time drawing and forming: using drawing die, take location hole plate 3, location hole plate is put into drawing die, will
The positioning guide column location fit of left location hole 1 and right location hole 2 and drawing die cavity side, drawing die molding, by location hole
Plate is stretched to obtain connecting rod blank 4, and connecting rod blank height is attachment base 5 and the right side that H connecting rod blank is formed with left side
The extension 6 of side, the attachment base upper end in left side are formed with circular sliding slopes side 7, and the bottom on circular sliding slopes side is in big 8-shaped 8, and circular arc connects
The top of edge fit is in small 8-shaped 9, and the top of attachment base 5 is formed with the first left guide hole fixed ring 10 and the first right guide hole fixed ring 11,
The outside of attachment base 5 and extension 6 is formed with flanging 12, the first left guide hole fixed ring 10 and the first right 11 wall thickness of guide hole fixed ring
For S1, the aperture of the first left guide hole fixed ring and the first right guide hole fixed ring is φ1, the first left guide hole fixed ring and first right side are led
The height of hole fixed ring is H1, H1Height is the 30% of H;
(3), second of drawing and forming: using drawing die, take connecting rod blank 4, and connecting rod blank 4 is put into same secondary stretching
In mold, core bedding frame of drawing die, drawing die molding, by the first of connecting rod blank 4 the left guide hole fixed ring 10 are replaced
It is stretched to obtain connecting rod semi-finished product 13 with the first right guide hole fixed ring 11, connecting rod semi-finished product are formed with the second left guide hole and fix
Ring 14 and the second right guide hole fixed ring 15, the second left guide hole fixed ring and the second right guide hole fixed ring wall thickness are S2, S2Wall thickness is S1
The aperture of the 80% of wall thickness, the second left guide hole fixed ring and the second right guide hole fixed ring is φ2, φ2Aperture be φ1Aperture
110%, the height of the second left guide hole fixed ring and the second right guide hole fixed ring is H2, H2Height is the 53% of H height;
(4), roll forming: using roller press, and the type chamber of same secondary drawing die is put into roller press, connecting rod semi-finished product are taken
13 are put into the type chamber of drawing die, and rolling chieftain slowly declines, by the second of connecting rod semi-finished product 13 the left guide hole fixed ring 14
It is rolled to obtain connecting rod finished product 16 with the second right guide hole fixed ring 15, connecting rod finished product is formed with the left guide hole fixed ring 17 of third
With the right guide hole fixed ring 18 of third, the left guide hole fixed ring of third and the right guide hole fixed ring wall thickness of third are S3, S3Wall thickness is S2Wall thickness
70% -75%, the aperture of left guide hole fixed ring and right guide hole fixed ring is φ3, φ3Aperture be φ2The 105% of aperture, third
The height of left guide hole fixed ring and the right guide hole fixed ring of third is H3, H3Height is the 60% of H height;
(5), thermally expand: using electric furnace, connecting rod finished product 16 is put into electric furnace and is heated to 180 DEG C -190 DEG C, leads a third left side
The aperture φ of hole fixed ring 17 and the right guide hole fixed ring 18 of third3Expanded by heating;
(6), 19 cold events of guide sleeve: using freezing chamber, guide sleeve 19 made of polytetrafluoroethylene material taken to be put into freezing chamber, cold
But to -10 DEG C--15 DEG C, make 19 cooling meat of guide sleeve;
(7), molding assembly: the connecting rod finished product 16 after taking expanded by heating is put into assembly tooling, while taking leading after cooling meat
In the left guide hole fixed ring 17 of third and the right guide hole fixed ring 18 of third for being inserted into connecting rod finished product 16 respectively to set 19, at normal temperature
Cooling to fix, the two elastic conjunction, interference fit value is S7/n6Millimeter.
Sheet metal 20 is taken first and is struck out specified shape, while stamping out left and right location hole 1,2, then
It puts it in drawing die, the cavity side of drawing die is equipped with positioning guide column, is matched by positioning guide column and left and right location hole
It closes, positioning action is played to the location hole plate 3 after punching press, puts post-tensioning mold clamping well, and positioning guide column is pushed down on,
It is set to exit left and right location hole, drawing die draws the surrounding of left and right location hole 1,2 and location hole plate 3 vertically downward
It stretches, forms the first left guide hole fixed ring 10, the first right guide hole fixed ring 11 and flanging 12, while being stretched as left-right integrated
Two parts, left side is attachment base 5, and right side is extension 6, and attachment base is higher than extension, while the upper end surrounding of attachment base
Corner be circular sliding slopes side 7, the bottom on circular sliding slopes side is in big 8-shaped 8, and the top on circular sliding slopes side is in small 8-shaped 9,
Connecting rod blank 4 is obtained, then the connecting rod blank 4, which is put into another secondary drawing die, (can also be put into same secondary stretching
In mold, core bedding frame of drawing die is only needed to change, the sub- outer diameter of the core bedding frame of the drawing die is greater than previous secondary drawing die
Chieftain's outer diameter), two only are carried out to the first left guide hole fixed ring 10, the first right guide hole fixed ring 11 in connecting rod blank 4 at this time
Secondary stretching obtains connecting rod semi-finished product 13, and connecting rod semi-finished product are formed with the second left guide hole fixed ring 14 and the second right guide hole is fixed
Ring 15, the second left guide hole fixed ring and the second right guide hole fixed ring, which are gradually elongated, draws thin, the second left guide hole fixed ring and second
Right guide hole fixed ring wall thickness S2For the first left guide hole fixed ring 10 and the first right guide hole fixed ring S1The 80% of wall thickness, the second left guide hole
The aperture of fixed ring and the second right guide hole fixed ring is φ2For the first left guide hole fixed ring and the first right guide hole fixed ring φ1Aperture
110%, the height of the second left guide hole fixed ring and the second right guide hole fixed ring is H2For the first left guide hole fixed ring and first right side
The 53% of guide hole fixed ring H height, the second left guide hole fixed ring 14 and the second right guide hole fixed ring 15 have been stretched to plate at this time
The extension limit of material, continue stretch then may cause occur fragmentation, stretch it is not in place phenomena such as, then by connecting rod semi-finished product 13
It is put into roller press, the rolling speed in roller press is slowed down, the second left guide hole fixed ring 14 and second right side are led by milled head
Fixed ring 15 inner hole in hole is rolled, and plate is made to continue to extend, and obtains connecting rod finished product, and connecting rod finished product is formed with the left guide hole of third
Fixed ring 17 and the right guide hole fixed ring 18 of third, the wall thickness S of the left guide hole fixed ring of third and the right guide hole fixed ring of third3For S2Wall
Thick 70% -75%, the aperture φ of the left guide hole fixed ring of third and the right guide hole fixed ring of third3For φ2The 105% of aperture, third are left
The height H of guide hole fixed ring 17 and the right guide hole fixed ring 18 of third3It is the 60% of H height, connecting rod finished product 16 is then put into electricity
It is heated to 180 DEG C -190 DEG C in furnace, generates thermal expansion, makes its aperture φ3Slightly become larger, and guide sleeve 19 is put into freezing chamber
- 10 DEG C--15 DEG C are cooled to, contraction is allowed to cool, the guide sleeve after contraction is finally put into the connecting rod finished product 16 of thermal expansion
The left guide hole fixed ring 17 of third and the right guide hole fixed ring 18 of third in, under normal temperature state, the two is restored original size and is produced
Raw interference fit.The molding combination process of this programme Electric Motor Wheel double guide post dampers and crossbeam connecting rod, one, pass through first time
After stretching, left-right integrated two parts are stretched as, left side is attachment base 5, and right side is extension 6, and attachment base, which is higher than, to be prolonged
Extending portion, and circular sliding slopes side 7 is formed at the corner around of attachment base upper end, the bottom on circular sliding slopes side is in big 8-shaped 8, circle
The top that arc connects side is in small 8-shaped 9, and the structural strength is high, and rigidity is good;Two, it is solid that the left guide hole of third is formed in attachment base 5
Determine ring 17 and the right guide hole fixed ring 18 of third, the left guide hole fixed ring of the third and the right guide hole fixed ring of third by stretching twice and
Roll forming stretches it in place, and will not fragmentation, and the two guide hole fixed rings in left and right and double guide posts cooperate, and avoid producing
Raw side-sway and beat, integral rigidity is good, guarantees that the verticality of tire and vehicle body, the depth of parallelism reliably, to make vehicle row
It sails more safety and passenger riding is more comfortable;Three, connecting rod finished product 16 is thermally expanded and is assembled after 19 cold events of guide sleeve, then
It is interference fitted under room temperature, assembly is reliable.
Claims (1)
1. the molding combination process of Electric Motor Wheel double guide post dampers and crossbeam connecting rod, characterized by the following steps:
(1), process preset holes: using punching machine, take sheet metal (20), left location hole (1) is stamped out on sheet metal and the right side is fixed
Position hole (2), left and right positioning holes center obtain location hole plate (3) away from for H;
(2), first time drawing and forming: using drawing die, take location hole plate (3), location hole plate is put into drawing die,
By the positioning guide column location fit of left location hole (1) and right location hole (2) and drawing die cavity side, drawing die molding will
Location hole plate is stretched to obtain connecting rod blank (4), and connecting rod blank height is the connection that H connecting rod blank is formed with left side
The extension (6) of seat (5) and right side, the attachment base upper end in left side are formed with circular sliding slopes side (7), and the bottom on circular sliding slopes side is in big
8-shaped (8), the top on circular sliding slopes side are in small 8-shaped (9), are formed with the first left guide hole fixed ring (10) at the top of attachment base (5)
It with the first right guide hole fixed ring (11), is formed with flanging (12) on the outside of attachment base (5) and extension (6), the first left guide hole is solid
Determine ring (10) and the first right guide hole fixed ring (11) wall thickness is S1, the hole of the first left guide hole fixed ring and the first right guide hole fixed ring
Diameter is φ1, the height of the first left guide hole fixed ring and the first right guide hole fixed ring is H1, H1Height is the 30% of H;
(3), second of drawing and forming: drawing die is used, connecting rod blank (4) is taken, connecting rod blank (4) is put into same pair
In drawing die, core bedding frame of drawing die is replaced, drawing die molding is solid by the first left guide hole of connecting rod blank (4)
Determine ring (10) and the first right guide hole fixed ring (11) is stretched to obtain connecting rod semi-finished product (13), connecting rod semi-finished product are formed with
Two left guide hole fixed rings (14) and the second right guide hole fixed ring (15), the second left guide hole fixed ring and the fixed ring wall of the second right guide hole
Thickness is S2, S2Wall thickness is S1The aperture of the 80% of wall thickness, the second left guide hole fixed ring and the second right guide hole fixed ring is φ2, φ2's
Aperture is φ1The height of the 110% of aperture, the second left guide hole fixed ring and the second right guide hole fixed ring is H2, H2Height is H height
53%;
(4), roll forming: using roller press, and the type chamber of same secondary drawing die is put into roller press, connecting rod semi-finished product are taken
(13) it is put into the type chamber of drawing die, rolling chieftain slowly declines, and the second left guide hole of connecting rod semi-finished product (13) is fixed
Ring (14) and the second right guide hole fixed ring (15) are rolled to obtain connecting rod finished product (16), and connecting rod finished product is formed with a third left side and leads
Hole fixed ring (17) and the right guide hole fixed ring (18) of third, the left guide hole fixed ring of third and the right guide hole fixed ring wall thickness of third are
S3, S3Wall thickness is S2The aperture of 70%-the 75% of wall thickness, left guide hole fixed ring and right guide hole fixed ring is φ3, φ3Aperture be
φ2The height of the 105% of aperture, the left guide hole fixed ring of third and the right guide hole fixed ring of third is H3, H3Height is the 60% of H height;
(5), thermally expand: using electric furnace, connecting rod finished product (16) is put into electric furnace and is heated to 180 DEG C -190 DEG C, keep third left
The aperture φ of guide hole fixed ring (17) and the right guide hole fixed ring (18) of third3Expanded by heating;
(6), guide sleeve (19) cold events: freezing chamber is used, guide sleeve made of polytetrafluoroethylene material (19) is taken to be put into freezing
Room is cooled to -10 DEG C--15 DEG C, makes guide sleeve (19) cooling meat;
(7), molding assembly: the connecting rod finished product (16) after taking expanded by heating is put into assembly tooling, while after taking cooling meat
Guide sleeve (19) is inserted into the left guide hole fixed ring (17) of third and the right guide hole fixed ring (18) of third of connecting rod finished product (16) respectively
In, cooling at normal temperature to fix, the two elastic conjunction, interference fit value is S7/n6Millimeter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810886107.9A CN109014782B (en) | 2018-08-06 | 2018-08-06 | Molding and compounding process of electric wheel double-guide-column shock absorber and vehicle crossbeam connecting rod |
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CN201810886107.9A CN109014782B (en) | 2018-08-06 | 2018-08-06 | Molding and compounding process of electric wheel double-guide-column shock absorber and vehicle crossbeam connecting rod |
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CN109014782B CN109014782B (en) | 2020-03-27 |
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CN201810886107.9A Active CN109014782B (en) | 2018-08-06 | 2018-08-06 | Molding and compounding process of electric wheel double-guide-column shock absorber and vehicle crossbeam connecting rod |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113417923A (en) * | 2021-07-15 | 2021-09-21 | 四川大学 | Combined screw structure and assembling and disassembling method |
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JP5970524B2 (en) * | 2014-10-28 | 2016-08-17 | ヤマハ発動機株式会社 | Manufacturing method of connecting rod made of titanium alloy |
CN207190699U (en) * | 2017-08-14 | 2018-04-06 | 浙江肯特汽车零部件有限公司 | A kind of torsion beam of automobile formula suspension |
CN107984181A (en) * | 2017-12-01 | 2018-05-04 | 朱旭 | A kind of connecting rod processing technology |
CN108158741A (en) * | 2018-02-27 | 2018-06-15 | 温州市贝佳福自动化技术有限公司 | The damper and its assembly technique of electric wheelchair |
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- 2018-08-06 CN CN201810886107.9A patent/CN109014782B/en active Active
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JPH08103841A (en) * | 1994-08-12 | 1996-04-23 | Hitachi Powdered Metals Co Ltd | Production of half machine part |
JP5970524B2 (en) * | 2014-10-28 | 2016-08-17 | ヤマハ発動機株式会社 | Manufacturing method of connecting rod made of titanium alloy |
CN104400345A (en) * | 2014-10-29 | 2015-03-11 | 苏州市金德誉精密机械有限公司 | Processing technique of connecting rod |
CN207190699U (en) * | 2017-08-14 | 2018-04-06 | 浙江肯特汽车零部件有限公司 | A kind of torsion beam of automobile formula suspension |
CN107984181A (en) * | 2017-12-01 | 2018-05-04 | 朱旭 | A kind of connecting rod processing technology |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN113417923A (en) * | 2021-07-15 | 2021-09-21 | 四川大学 | Combined screw structure and assembling and disassembling method |
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