CN107790713A - A kind of automobile rearview mirror bases vital part and its method for preparing powder metallurgy - Google Patents
A kind of automobile rearview mirror bases vital part and its method for preparing powder metallurgy Download PDFInfo
- Publication number
- CN107790713A CN107790713A CN201711025094.8A CN201711025094A CN107790713A CN 107790713 A CN107790713 A CN 107790713A CN 201711025094 A CN201711025094 A CN 201711025094A CN 107790713 A CN107790713 A CN 107790713A
- Authority
- CN
- China
- Prior art keywords
- rearview mirror
- automobile rearview
- vital part
- mirror bases
- vital
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a kind of automobile rearview mirror bases vital part and its method for preparing powder metallurgy, the part possesses special-shaped lateral trench, and lateral trench is included by once die stamping forming, this method：The material for premixing the powder got togather is added in mould, once shaped on the 160t forming machines of pressure 100, hand-stripping, 1200 DEG C of temperature control 1135 DEG C realizes high temperature sintering 3 hours, carries out bead and electrophoretic process, product examine.The automobile rearview mirror bases vital part; density 6.6cm3; more than hardness HRB40; increase a horizontal mould emptier during demoulding; product disposably completes; lateral trench need not be machined, disclosure satisfy that every requirement, solve thes problems, such as that conventional machinofacture cost is high, efficiency is slow.
Description
Technical field
The present invention relates to auto parts manufacturing field, and in particular to a kind of automobile rearview mirror bases vital part and its powder
Metallurgical preparation method.
Background technology
At present, auto parts are mainly produced by mach mode, and production efficiency is relatively low, and material has more waste,
And powder metallurgy is a kind of technique of near-net-shape, cost is reduced by powder pressing.And for special-shaped horizontal
The part of groove, because shape of product is complicated, existing processing method is shaped using powder metallurgy process part, is not one
Secondary shaping, machines lateral trench again afterwards, so does not only production cost height, and efficiency is low.
The content of the invention
The purpose of the present invention is to be directed to the deficiencies in the prior art, there is provided a kind of automobile rearview mirror bases vital part
And its method for preparing powder metallurgy so that the part is once-forming by powder metallurgical technique, saves cost of manufacture, improves product
Efficiency.
The technical solution adopted by the present invention is to achieve these goals：
A kind of method for preparing above-mentioned automobile rearview mirror bases vital part, comprises the following steps：
（1）The material for premixing the powder got togather is added in the mould being made up of upper punch, former with the level and low punch；Its
In, certain material includes each component of following weight fraction：Cu 1.0 ~ 2.0, C 0.3 ~ 0.8, Mo 0.5 ~ 1, Fe 96.2
~98.2
（2）Shaping lateral trench parting block is arranged on the step of former, applies 100-160t pressure to powder；
（3）The demoulding obtains part blank；
（4）Part blank carries out high temperature sintering 2-4 hours at 1135 DEG C -1200 DEG C；
（5）Bead and electrophoretic process are carried out after taking-up, obtains automobile rearview mirror bases vital part.
The automobile rearview mirror bases vital part of the present invention, key technical index include：Density 6.6cm3, hardness HRB40
More than.
The present invention has remarkable advantage as follows relative to prior art：（1）, the present invention automobile rearview mirror bases it is crucial
The preparation method of part, process is few, low manufacture cost, simple to operate, beneficial to industrialized production；（2）, special-shaped lateral trench and zero
Part disposably completes, and effectively solves in the past the problems such as mach cost is high, efficiency is low so that cost of parts saving
More than 1 times；（3）While prepared automobile rearview mirror bases vital part meets every requirement.
Brief description of the drawings
Fig. 1 is the structural representation of the powder metallurgy automobile rearview mirror base vital part of the present invention；
Fig. 2 is the structural representation of the parting block of the present invention.
Embodiment
The present invention will be further explained with reference to the accompanying drawings and examples
As shown in drawings, it is the powder metallurgy automobile rearview mirror base vital part of the present invention.The powder metallurgy automobile rearview mirror
Base vital part possesses special-shaped lateral trench, and groove and part are the once-forming entirety produced.
The automobile rearview mirror bases vital part is made up of each component of following parts by weight fraction：Cu 1.0 ~ 2.0, C
0.3 ~ 0.8, Mo 0.5 ~ 1, Fe 96.2 ~ 98.2.Obtain density 6.6cm3, more than hardness HRB40.
Embodiment 1
A kind of method for preparing powder metallurgy of automobile rearview mirror bases vital part, the material for premixing the powder got togather is added to mould
In tool;Wherein, certain material includes each component of following weight fraction：Cu 1.0, C 0.3, Mo 0.5, Fe 98.2, will
Shaping lateral trench parting block is arranged on the step of former, applies 100 tons of pressure to powder, and the demoulding obtains part blank,
Part blank carries out high temperature sintering 2-4 hours at 1135 DEG C -1200 DEG C, and vertical shot-peening is carried out using the shot-peening of 30 mesh after taking-up
Processing, then 3min electrophoretic process is carried out in electrophoresis tank at a temperature of 18 ~ 22 DEG C, automobile rearview mirror bases vital part is obtained,
Gained fabricated part density 6.67cm3, hardness HRB41.
Embodiment 2
A kind of method for preparing powder metallurgy of automobile rearview mirror bases vital part, the material for premixing the powder got togather is added to mould
In tool;Wherein, certain material includes each component of following weight fraction：Cu 1.5, C 0.5, Mo 0.5, Fe 97.5.,
Shaping lateral trench parting block is arranged on the step of former, applies 100 tons of pressure to powder, the demoulding obtains part hair
Base, part blank carry out high temperature sintering 2-4 hours at 1135 DEG C -1200 DEG C, are carried out vertically using the shot-peening of 30 mesh after taking-up
Bead, then 3min electrophoretic process is carried out in electrophoresis tank at a temperature of 18 ~ 22 DEG C, obtain automobile rearview mirror bases key zero
Part, gained fabricated part density 6.71cm3, hardness HRB43.
Embodiment 3
A kind of method for preparing powder metallurgy of automobile rearview mirror bases vital part, the material for premixing the powder got togather is added to mould
In tool;Wherein, certain material includes each component of following weight fraction：Cu 2.0, C 0.8, Mo 1, Fe 96.2, will be into
Type lateral trench parting block is arranged on the step of former, applies 100 tons of pressure to powder, is stripped and is obtained part blank, and zero
Part blank carries out high temperature sintering 2-4 hours at 1135 DEG C -1200 DEG C, is carried out after taking-up using the shot-peening of 30 mesh at vertical shot-peening
Reason, then 3min electrophoretic process is carried out in electrophoresis tank at a temperature of 18 ~ 22 DEG C, obtain automobile rearview mirror bases vital part, institute
Obtain fabricated part density 6.75cm3, hardness HRB45.
The preparation method of the automobile rearview mirror bases vital part of the present invention, process is few, low manufacture cost, simple to operate,
Beneficial to industrialized production, special-shaped lateral trench completes with part by one-step, effectively solves conventional mach cost
The high, problem such as efficiency is low so that cost of parts saves more than 1 times.Prepared automobile rearview mirror bases vital part symbol simultaneously
Close every requirement.
Claims (7)
1. a kind of automobile rearview mirror bases vital part, it is characterised in that the integrated vital part is formed automobile backsight
The vital part of mirror base, and the special-shaped lateral trench carried；The automobile rearview mirror bases vital part is by following weight point
Several each component compositions：Cu 1.0~2.0%, C 0.3~0.8%, Mo 0.5~1%, Fe 96.2~98.2%.
A kind of 2. preparation method of automobile rearview mirror bases vital part according to claim 1, it is characterised in that including
Following steps：
(1) dusty material for getting togather premix is added in the mould being made up of upper punch, former with the level and low punch；Its
In, dusty material includes each component of following weight fraction：Cu 1.0~2.0, C 0.3~0.8, Mo 0.5~1, Fe96.2~
98.2；
(2) shaping lateral trench parting block is arranged on the step of former, applies 100-160t pressure to powder；
(3) demoulding obtains part blank；
(4) part blank is subjected to high temperature sintering 2-4 hours at 1135 DEG C -1200 DEG C；
(5) bead and electrophoretic process are carried out after taking out, obtains automobile rearview mirror bases vital part.
3. the preparation method of automobile rearview mirror bases vital part according to claim 2, it is characterised in that described powder
Powder material forms Cu2.0, C0.8, Mo 1, Fe96.2 with each component of weight fraction.
4. the preparation method of automobile rearview mirror bases vital part according to claim 2, it is characterised in that described point
Type block is located on former step.
5. the preparation method of automobile rearview mirror bases vital part according to claim 2, it is characterised in that it is described into
Type lateral trench parting block is as shown in Fig. 2 parting block position marks in Fig. 1.
6. the preparation method of automobile rearview mirror bases vital part according to claim 2, it is characterised in that part is carried out
During bead, shot-peening granularity is between 20-40 mesh, vertical shot-peening.
7. the preparation method of automobile rearview mirror bases vital part according to claim 2, it is characterised in that part is in electricity
Electrophoretic process, 18 DEG C~22 DEG C of temperature, duration 1-3min are carried out in swimming groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711025094.8A CN107790713A (en) | 2017-10-27 | 2017-10-27 | A kind of automobile rearview mirror bases vital part and its method for preparing powder metallurgy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711025094.8A CN107790713A (en) | 2017-10-27 | 2017-10-27 | A kind of automobile rearview mirror bases vital part and its method for preparing powder metallurgy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107790713A true CN107790713A (en) | 2018-03-13 |
Family
ID=61548304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711025094.8A Pending CN107790713A (en) | 2017-10-27 | 2017-10-27 | A kind of automobile rearview mirror bases vital part and its method for preparing powder metallurgy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107790713A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110116205A (en) * | 2019-05-20 | 2019-08-13 | 浙江恒基永昕新材料股份有限公司 | A kind of rearview mirror holder powder metallurgy forming mold and its forming method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02153046A (en) * | 1988-12-06 | 1990-06-12 | Kawasaki Steel Corp | High strength sintered alloy steel |
| US20030097904A1 (en) * | 2001-09-10 | 2003-05-29 | Jung Seok Oh | Sintered alloy for valve seat having excellent wear resistance and method for producing the same |
| CN101007352A (en) * | 2007-01-30 | 2007-08-01 | 扬州保来得科技实业有限公司 | Processing method of gear supporter in automatic gearbox of automobile |
| CN200995489Y (en) * | 2006-12-31 | 2007-12-26 | 东风汽车有限公司 | One-step forming die for powder metallurgy part with certain inner vertical groove |
| CN103111620A (en) * | 2011-11-17 | 2013-05-22 | 泰州市科诚汽车零配件有限公司 | Novel energy automobile speed changer shift mechanism special powder metallurgy support seat manufacturing method |
| CN104630659A (en) * | 2015-02-05 | 2015-05-20 | 奇瑞汽车股份有限公司 | Valve seat ring for alternative fuel engine |
-
2017
- 2017-10-27 CN CN201711025094.8A patent/CN107790713A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02153046A (en) * | 1988-12-06 | 1990-06-12 | Kawasaki Steel Corp | High strength sintered alloy steel |
| US20030097904A1 (en) * | 2001-09-10 | 2003-05-29 | Jung Seok Oh | Sintered alloy for valve seat having excellent wear resistance and method for producing the same |
| CN200995489Y (en) * | 2006-12-31 | 2007-12-26 | 东风汽车有限公司 | One-step forming die for powder metallurgy part with certain inner vertical groove |
| CN101007352A (en) * | 2007-01-30 | 2007-08-01 | 扬州保来得科技实业有限公司 | Processing method of gear supporter in automatic gearbox of automobile |
| CN103111620A (en) * | 2011-11-17 | 2013-05-22 | 泰州市科诚汽车零配件有限公司 | Novel energy automobile speed changer shift mechanism special powder metallurgy support seat manufacturing method |
| CN104630659A (en) * | 2015-02-05 | 2015-05-20 | 奇瑞汽车股份有限公司 | Valve seat ring for alternative fuel engine |
Non-Patent Citations (1)
| Title |
|---|
| 王天国，覃群: "钼加入量对Fe-2Cu-0.8C系烧结合金组织和性能的影响", 《机械工程材料》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110116205A (en) * | 2019-05-20 | 2019-08-13 | 浙江恒基永昕新材料股份有限公司 | A kind of rearview mirror holder powder metallurgy forming mold and its forming method |
| CN110116205B (en) * | 2019-05-20 | 2021-02-09 | 浙江恒基永昕新材料股份有限公司 | Rearview mirror base powder metallurgy forming die and forming method thereof |
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Application publication date: 20180313 |