CN109083955A - Alloy material and flat spring bracket in a kind of slot for flat spring bracket - Google Patents
Alloy material and flat spring bracket in a kind of slot for flat spring bracket Download PDFInfo
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- CN109083955A CN109083955A CN201810986434.1A CN201810986434A CN109083955A CN 109083955 A CN109083955 A CN 109083955A CN 201810986434 A CN201810986434 A CN 201810986434A CN 109083955 A CN109083955 A CN 109083955A
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- alloy material
- flat spring
- spring bracket
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- slot
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/18—Leaf springs
- F16F1/26—Attachments or mountings
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/12—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on oxides
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
- Springs (AREA)
Abstract
The present invention relates to technical field of alloy material, alloy material in a kind of slot for flat spring bracket is provided, the raw material for preparing the alloy material include: 65~85 parts of aluminum oxides, 20~25 parts of titanium nitrides, 20~25 parts of nickel powders, 8~12 parts of cobalt powders, 10~15 parts of chromium powders, 30~40 parts of TPU and 1 part of rare earth element powder according to parts by weight.It is good that the alloy material fills the coating hardness high-wearing feature to be formed.The present invention also provides a kind of flat spring bracket, the supporting surface of the flat spring bracket opens up filling slot, is filled with above-mentioned alloy material in filling slot.The flat spring bracket hardness is high, long service life.
Description
Technical field
The present invention relates to technical field of alloy material, in particular to alloy material in a kind of slot for flat spring bracket
Material and flat spring bracket.
Background technique
Flat spring bracket is the device for being used to support truck damping spring.The supporting surface of leaf spring is close to vehicle frame with vehicle.Due to card
Car weight amount is big, therefore flat spring bracket needs just to can guarantee that truck shock mitigation system is less prone to failure by enough intensity.
In consideration of it, special propose the application.
Summary of the invention
The present invention provides alloy material in a kind of slot for flat spring bracket, fill to the alloy formed in filling slot
Material filled layer hardness is big, wearability is good.
The present invention provides a kind of flat spring brackets, and hardness is strong, long service life.
The present invention is implemented as follows:
Alloy material in a kind of slot for flat spring bracket, the raw material for preparing alloy material include: according to parts by weight
65~85 parts of aluminum oxides, 20~25 parts of titanium nitrides, 20~25 parts of nickel powders, 8~12 parts of cobalt powders, 10~15 parts of chromium powders, 30~
40 parts of TPU and 1 part of rare earth element powder.
A kind of flat spring bracket, the supporting surface of flat spring bracket open up filling slot, are filled with above-mentioned alloy material in filling slot.
The beneficial effects of the present invention are: alloy material in the slot for flat spring bracket that the present invention obtains by above-mentioned design
Material, provided by the present invention for alloy material in the slot of flat spring bracket, due to Al 2 O, titanium nitride, nickel powder, cobalt powder and chromium
Powder interacts under conditions of appropriate proportioning as the main function substance of alloy material, so that alloy material is filled and to be formed
The hardness of alloy material layer is higher, and the TPU used can increase the resistance to of the alloy material filled layer formed after alloy material filling
Mill property and mechanical strength, and alloy material secure adhesion can be made in flat spring bracket slot；Rare earth element powder have magnetism,
It attracts each other with nickel powder, cobalt powder, the alloy material filled layer more consolidation that filling can be made to be formed, and it is adhered to the effect of vehicle frame bridge
More preferably.Above-mentioned each component is preferably to match mutual cooperation effect, so that provided by the present invention for closing in the slot of flat spring bracket
Golden material, which fills the alloy material filled layer to be formed, has the characteristics that hardness is high, wearability is good, physics and chemical property are stable.
The flat spring bracket that the present invention obtains by above-mentioned design, due in supporting surface slot filled with provided by the present invention for
Alloy material in the slot of flat spring bracket.Therefore it supports surface hardness high, wearability is strong, and physics and chemical property are stablized, so that
Flat spring bracket intensity is high, long service life.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of embodiment of the present invention
Attached drawing be briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not to be seen as
It is the restriction to range, it for those of ordinary skill in the art, without creative efforts, can be with root
Other relevant attached drawings are obtained according to these attached drawings.
Fig. 1 is the structural schematic diagram for the flat spring bracket that embodiment of the present invention provides；
Fig. 2 is the structural schematic diagram of supporting surface in Fig. 1.
Icon: 100- flat spring bracket；110- supporting surface；111- filling slot
Specific embodiment
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, according to normal conditions or manufacturer builds
The condition of view carries out.Reagents or instruments used without specified manufacturer is the conventional production that can be obtained by commercially available purchase
Product.
Alloy material and flat spring bracket in a kind of slot for flat spring bracket is provided to the embodiment of the present invention below to have
Body explanation.
Alloy material in a kind of slot for flat spring bracket, the raw material for preparing alloy material include: according to parts by weight
65~85 parts of aluminum oxides, 20~25 parts of titanium nitrides, 20~25 parts of nickel powders, 8~12 parts of cobalt powders, 10~15 parts of chromium powders, 30~
40 parts of TPU and 1 part of rare earth element powder.
Alloy material of the invention, using aluminum oxide, titanium nitride, nickel powder, cobalt powder and chromium powder as alloy material
Main function substance.It is respectively provided with following characteristics aluminum oxide chemical formula Al2O3, it is a kind of compound of high rigidity, fusing point
It is 2054 DEG C, boiling point is 2980 DEG C.Titanium nitride crystal structure is stablized, and fusing point is high, hardness is big, chemical stability is good.Nickel has iron
Magnetism, hardness are higher, anticorrosive.Cobalt has ferromagnetism, hardness height, high temperature resistant, anti-corrosive properties good.Chromium is the maximum metal of hardness,
It forms cochrome in conjunction with cobalt, can significantly improve the hardness of the coating of alloy material formation.Above-mentioned five, which cooperate, makees
With, the present invention claims proportion under so that alloy material has higher hardness, stronger wearability and stable chemistry and physics
Performance.
The entitled thermoplastic polyurethane elastomer rubber of TPU, TPU product with its with cold resistance good, good impact resistance,
The characteristics of wearability is good, high mechanical strength.It is sprayed at after heated thawing as the alloy material for being used for flat spring bracket surface
Flat spring bracket surface not only enables alloy material secure adhesion in flat spring bracket slot but also can also increasing the wear-resisting of coating
Property.It can increase the abrasion resistance and hardness of flat spring bracket supporting surface for the flat spring bracket for often supporting weight.Said ratio
TPU can guarantee be uniformly mixed with each component after its thawing adhesion property it is good while do not drag down alloy material filling after formed
The hardness number of coating.Preferably, the partial size of TPU powder is 50~500 microns.When TPU powder is in this particle size range, can guarantee and its
His powder is more fully mixed.
Rare earth is exactly lanthanide series in the periodic table of chemical element --- lanthanum (La), cerium (Ce), praseodymium (Pr), neodymium (Nd), promethium
(Pm), samarium (Sm), europium (Eu), gadolinium (Gd), terbium (Tb), dysprosium (Dy), holmium (Ho), erbium (Er), thulium (Tm), ytterbium (Yb), lutetium (Lu), with
And closely related element-yttrium (Y) and scandium (Sc) totally 17 kinds of elements, referred to as rare earth element with 15 elements of group of the lanthanides.Rare earth member
Element all has ferromagnetism and has higher hardness mostly.It is added into alloy material to ferromagnetic nickel powder and cobalt powder
With sucking action, when rare earth element and iron are uniformly distributed in alloy material, rare earth element and nickel powder and cobalt powder it is mutual
Effect can make filled coating more consolidation, and since flat spring bracket is made of alloy, then coating is also to flat spring bracket ontology
There is certain magnetic absorption effect.Since alloy material is to need to be filled after thawing, to prevent iron and rare earth element group
It is poly-, the alloy material after thawing is stirred evenly, after thawing in the case where TPU larger viscosity, iron and rare earth element will not be again
There is agglomeration.Preferably, which is magnetic preferable yttrium race rare earth element (also known as heavy rare earth element).Yttrium race member
Element is the element that atomic number is 39 and 64~71, i.e. gadolinium (Gd), technetium (Tb), dysprosium (Dy), holmium (Ho), erbium (Er), thulium (Tm), ytterbium
(Yb), lutetium (Lu), yttrium (Y).
Further, the raw material for preparing alloy material further include 1~1.8 part of ferroso-ferric oxide.Ferroso-ferric oxide has
Stronger magnetism can generate mutual attractive force with ferromagnetic substance with all.Its addition is so that have ferromagnetic powder
Attraction between end becomes larger, so that filled coating more consolidation, but also alloy material is adhered to the ability of flat spring bracket
It is stronger.
Further, the raw material for preparing alloy material further include 1.8~2.5 parts of iron powders.Iron be flexible and ductility compared with
Good silvery white non-ferrous metal.Iron powder can play in alloy material reinforced alloys material with other component alloyings and fill to be formed
The effect of the hardness of coating.The iron powder of said ratio can make the alloying effect of iron and other components best.
Preferably, the partial size of ferroso-ferric oxide powder, iron powder, aluminum oxide, titanium nitride, nickel powder, cobalt powder and chromium powder is
50~250 microns.Partial size is not easy excessive, and partial size crosses conference and the mixing of each powder is not enough, partial size also unsuitable too small, partial size
It is too small not only material cost to be increased, also coating surface can be made excessively smooth, will cause that frictional force is inadequate, and vehicle is being filled out
There are security risks for movement on vehicle frame bridge filled with alloy material.
Further, when the raw material for preparing alloy material include: 70~80 parts of aluminum oxides, 20 according to parts by weight
~22 parts of titanium nitrides, 20~22 parts of nickel powders, 8~10 parts of cobalt powders, 12~13 parts of chromium powders, 35~38 parts of TPU and 1 part of rare earth elements
When powder.Alloy material obtained fills that the alloy material filled layer hardness to be formed is best, wearability is best, and Chemical Physics is stablized
Property is preferably also.
Provided by the present invention for alloy material in the slot of flat spring bracket, due to Al 2 O, titanium nitride, nickel powder, cobalt powder
And chromium powder interacts under conditions of appropriate proportioning as the main function substance of alloy material, so that alloy material is filled
The hardness of the alloy material layer of formation is higher, and the TPU used can increase the alloy material filling formed after alloy material filling
The wearability and mechanical strength of layer, and alloy material secure adhesion can be made in flat spring bracket slot；Rare earth element powder have
Magnetism attracts each other with nickel powder, cobalt powder, the alloy material filled layer more consolidation that filling can be made to be formed, and is adhered to vehicle frame
The effect of bridge is more preferable.Above-mentioned each component is preferably to match mutual cooperation effect, so that provided by the present invention for flat spring bracket
Slot in alloy material fill that the alloy material filled layer to be formed is high with hardness, wearability is good, physics and chemical property are stablized
The characteristics of.
As depicted in figs. 1 and 2, the supporting surface 110 of a kind of flat spring bracket 100, the flat spring bracket 100 opens up filling slot 111,
Filled with provided by the present invention for alloy material in the slot of flat spring bracket in filling slot 111.
Specifically, each component substance is mutually mixed and uniformly obtains alloy material, by alloy material by the way of 3D printing
Alloy material filled layer is formed in material filling to filling slot 111.The alloy material filled layer formed at this time has the work of reinforcing rib
With the intensity that can increase supporting surface 110 increases the intensity of flat spring bracket 100 in turn.
Further, the quantity of filling slot 111 is multiple.Multiple filling slots 111 then make flat spring bracket 100 after being filled
Supporting surface 110 have multiple reinforcing ribs.The intensity of supporting surface can be made higher.Preferably, the quantity of filling slot 111 is 3.
Further, 111 depth of filling slot is 2.5~3.5mm.When the depth of filling slot 111 is 2.5~3.5mm range
The intensity highest of supporting surface 110 when interior.
Below in conjunction with specific embodiment to alloy material and leaf spring in a kind of slot for flat spring bracket provided by the invention
Bracket is specifically described.
Embodiment 1
The embodiment of the invention provides alloy materials in a kind of slot for flat spring bracket, prepare the former material of the alloy material
Material consists of the following compositions: 650g aluminum oxide, 250g titanium nitride, 200g nickel powder, 120g cobalt powder, 100g chromium powder, 400g
TPU and 10g lutetium powder, TPU diameter of particle are 50~500 microns, and the partial size of remaining above-mentioned various powder is 50~250 micro-
Rice.
Above-mentioned raw materials are uniformly mixed, alloy material in the slot for flat spring bracket is obtained.By common leaf spring branch
Frame opens up 3 filling slots, and the depth of each filling slot is 2.5mm, and the alloy material that the present embodiment is obtained passes through 3D printing skill
Art is filled to obtaining flat spring bracket provided by the invention in filling slot.
Embodiment 2
The embodiment of the invention provides alloy materials in a kind of slot for flat spring bracket, prepare the former material of the alloy material
Material consists of the following compositions: 850g aluminum oxide, 200g titanium nitride, 250g nickel powder, 80g cobalt powder, 150g chromium powder, 300g TPU
And 10g yttrium powder, TPU diameter of particle are 50~500 microns, the partial size of remaining above-mentioned various powder is 50~250 microns.
Above-mentioned raw materials are uniformly mixed, alloy material in the slot for flat spring bracket is obtained.By common leaf spring branch
Frame opens up 3 filling slots, and the depth of each filling slot is 3mm, and the alloy material that the present embodiment is obtained passes through 3D printing technique
Flat spring bracket provided by the invention is obtained in filling to filling slot.
Embodiment 3
The embodiment of the invention provides alloy materials in a kind of slot for flat spring bracket, prepare the former material of the alloy material
Material consists of the following compositions: 700g aluminum oxide, 210g titanium nitride, 230g nickel powder, 100g cobalt powder, 120g chromium powder, 350g
TPU, 10g ytterbium powder, 10g ferroso-ferric oxide, 18g iron powder, TPU diameter of particle are 50~500 microns, remaining above-mentioned various powder
Partial size is 50~250 microns.
Above-mentioned raw materials are uniformly mixed, alloy material in the slot for flat spring bracket is obtained.By common leaf spring branch
Frame opens up 3 filling slots, and the depth of each filling slot is 3.5mm, and the alloy material that the present embodiment is obtained passes through 3D printing skill
Art is filled to obtaining flat spring bracket provided by the invention in filling slot.
Embodiment 4
The embodiment of the invention provides alloy materials in a kind of slot for flat spring bracket, prepare the former material of the alloy material
Material consists of the following compositions: 750g aluminum oxide, 240g titanium nitride, 210g nickel powder, 110g cobalt powder, 140g chromium powder, 320g
TPU, 10g gadolinium powder, 18g ferroso-ferric oxide, 25g iron powder, TPU diameter of particle are 50~500 microns, remaining above-mentioned various powder
Partial size is 50~250 microns.
Above-mentioned raw materials are uniformly mixed, alloy material in the slot for flat spring bracket is obtained.By common leaf spring branch
Frame opens up 3 filling slots, and the depth of each filling slot is 3.2mm, and the alloy material that the present embodiment is obtained passes through 3D printing skill
Art is filled to obtaining flat spring bracket provided by the invention in filling slot.
Embodiment 5
The embodiment of the invention provides alloy materials in a kind of slot for flat spring bracket, prepare the former material of the alloy material
Material consists of the following compositions: 800g aluminum oxide, 210g titanium nitride, 220g nickel powder, 90g cobalt powder, 110g chromium powder, 360g
TPU, 10g technetium powder, 12g ferroso-ferric oxide, 20g iron powder, TPU diameter of particle are 50~500 microns, remaining above-mentioned various powder
Partial size is 50~250 microns.
Above-mentioned raw materials are uniformly mixed, alloy material in the slot for flat spring bracket is obtained.By common leaf spring branch
Frame opens up 3 filling slots, and the depth of each filling slot is 2.8mm, and the alloy material that the present embodiment is obtained passes through 3D printing skill
Art is filled to obtaining flat spring bracket provided by the invention in filling slot.
Embodiment 6
The embodiment of the invention provides alloy materials in a kind of slot for flat spring bracket, prepare the former material of the alloy material
Material consists of the following compositions: 820g aluminum oxide, 230g titanium nitride, 230g nickel powder, 100g cobalt powder, 130g chromium powder, 330g
TPU, 10g ytterbium powder, 14g ferroso-ferric oxide, 22g iron powder, TPU diameter of particle are 50~500 microns, remaining above-mentioned various powder
Partial size is 50~250 microns.
Above-mentioned raw materials are uniformly mixed, alloy material in the slot for flat spring bracket is obtained.By common leaf spring branch
Frame opens up 3 filling slots, and the depth of each filling slot is 3.1mm, and the alloy material that the present embodiment is obtained passes through 3D printing skill
Art is filled to obtaining flat spring bracket provided by the invention in filling slot.
Embodiment 7
The embodiment of the invention provides alloy materials in a kind of slot for flat spring bracket, prepare the former material of the alloy material
Material consists of the following compositions: 710g aluminum oxide, 210g titanium nitride, 210g nickel powder, 115g cobalt powder, 145g chromium powder, 390g
TPU, 10g dysprosium powder, 16g ferroso-ferric oxide, 24g iron powder, TPU diameter of particle are 50~500 microns, remaining above-mentioned various powder
Partial size is 50~250 microns.
Above-mentioned raw materials are uniformly mixed, alloy material in the slot for flat spring bracket is obtained.By common leaf spring branch
Frame opens up 3 filling slots, and the depth of each filling slot is 2.6mm, and the alloy material that the present embodiment is obtained passes through 3D printing skill
Art is filled to obtaining flat spring bracket provided by the invention in filling slot.
Embodiment 8
The embodiment of the invention provides alloy materials in a kind of slot for flat spring bracket, prepare the former material of the alloy material
Material consists of the following compositions: 780g aluminum oxide, 240g titanium nitride, 210g nickel powder, 90g cobalt powder, 110g chromium powder, 320g
TPU, 10g holmium powder, 15g ferroso-ferric oxide, 21g iron powder, TPU diameter of particle are 50~500 microns, remaining above-mentioned various powder
Partial size is 50~250 microns.
Above-mentioned raw materials are uniformly mixed, alloy material in the slot for flat spring bracket is obtained.By common leaf spring branch
Frame opens up 3 filling slots, and the depth of each filling slot is 3.3mm, and the alloy material that the present embodiment is obtained passes through 3D printing skill
Art is filled to obtaining flat spring bracket provided by the invention in filling slot.
Comparative example 1-3
Choose the flat spring bracket of commercially available three different production firm's productions.
Experimental example
By embodiment 1-8 and comparative example 1-3 flat spring bracket, number is No. 1-11 respectively.
With abrasion-resistance testing machine, using 100mm2The sand paper of same size under conditions of load 0.1kg, time 30s with
The supporting surface of 1-12 flat spring bracket carries out wear-resistant experiment, and the weight of its loss is surveyed after the completion of test.Abrasion loss is recorded into
Table 1:
It selects pressure testing machine to apply the pressure of 1000KN to the flat spring bracket of number 1-11, it is first to observe any group flat spring bracket
First start to generate deformation.
1 1-12 flat spring bracket abrasion loss of table
, it can be seen that the abrasion loss of the flat spring bracket of number 1-8 is significantly less than the abrasion loss of number 9-12 from table 1.By
This rub proofness that can be seen that the alloy material filled layer that alloy material provided by the invention is formed is significantly greater than common leaf spring
Bracket.
The pressure for applying 1000N to the flat spring bracket of number 1-11 by pressure testing machine machine, observes commercially available common plate
Spring bracket generates deformation at first.Thus, it is possible to prove that the hardness of flat spring bracket provided by the invention is higher than common flat spring bracket.
In conclusion provided by the present invention for alloy material in the slot of flat spring bracket, due to Al 2 O, titanium nitride,
Nickel powder, cobalt powder and chromium powder interact under conditions of appropriate proportioning as the main function substance of alloy material, so that closing
The hardness that golden material fills the alloy material filled layer to be formed is higher, and the TPU used can increase leaf spring after alloy material filling
The wearability and mechanical strength of bracket supporting surface, and alloy material secure adhesion can be made in flat spring bracket filling slot；Rare earth
Element powder has magnetism, attracts each other with nickel powder, cobalt powder, can make alloy material filled layer more consolidation, and adhesiving effect is more
It is good.Above-mentioned each component is preferably to match mutual cooperation effect, so that provided by the present invention for alloy in the slot of flat spring bracket
Material, which fills the alloy material filled layer to be formed, has the characteristics that hardness is high, wearability is good, physics and chemical property are stable.
Flat spring bracket provided by the invention, due to being filled in supporting surface filling slot provided by the present invention for flat spring bracket
Slot in alloy material.Therefore it supports surface hardness high, wearability is strong, and physics and chemical property are stablized, so that flat spring bracket
Hardness it is high.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for this field
For technical staff, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. alloy material in a kind of slot for flat spring bracket, which is characterized in that prepare the raw material of the alloy material by weight
Amount number meter include: 65~85 parts of aluminum oxides, 20~25 parts of titanium nitrides, 20~25 parts of nickel powders, 8~12 parts of cobalt powders, 10~
15 parts of chromium powders, 30~40 parts of TPU and 1 part of rare earth element powder.
2. alloy material in the slot according to claim 1 for flat spring bracket, which is characterized in that prepare the alloy material
The raw material of material further include 1~1.8 part of ferroso-ferric oxide.
3. alloy material in the slot according to claim 1 for flat spring bracket, which is characterized in that prepare the alloy material
The raw material of material further include 1.8~2.5 parts of iron powders.
4. alloy material in the slot according to claim 1 for flat spring bracket, which is characterized in that three oxidation two
Aluminium, the titanium nitride, the nickel powder, the cobalt powder and the chromium powder partial size be 50~250 microns.
5. alloy material in the slot according to claim 1 for flat spring bracket, which is characterized in that prepare the alloy material
The raw material of material include: according to parts by weight 70~80 parts of aluminum oxides, 20~22 parts of titanium nitrides, 20~22 parts of nickel powders, 8~
10 parts of cobalt powders, 12~13 parts of chromium powders, 35~38 parts of TPU and 1 part of rare earth element powder.
6. alloy material in the slot according to claim 1 for flat spring bracket, which is characterized in that the rare earth element powder
For yittrium group.
7. a kind of flat spring bracket, which is characterized in that the supporting surface of the flat spring bracket opens up filling slot, filling in the filling slot
There is alloy material as claimed in any one of claims 1 to 6.
8. flat spring bracket according to claim 7, which is characterized in that the alloy material is filled by way of 3D printing
In to the filling slot.
9. flat spring bracket according to claim 7, which is characterized in that the quantity of the filling slot is multiple.
10. flat spring bracket according to claim 7, which is characterized in that the depth of the filling slot is 2.5~3.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986434.1A CN109083955B (en) | 2018-08-28 | 2018-08-28 | In-groove alloy material for plate spring support and plate spring support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986434.1A CN109083955B (en) | 2018-08-28 | 2018-08-28 | In-groove alloy material for plate spring support and plate spring support |
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| Publication Number | Publication Date |
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| CN109083955A true CN109083955A (en) | 2018-12-25 |
| CN109083955B CN109083955B (en) | 2021-02-09 |
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| CN201810986434.1A Active CN109083955B (en) | 2018-08-28 | 2018-08-28 | In-groove alloy material for plate spring support and plate spring support |
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