CN107780991A - A kind of internal combustion engine air outlet valve and its preparation technology - Google Patents
A kind of internal combustion engine air outlet valve and its preparation technology Download PDFInfo
- Publication number
- CN107780991A CN107780991A CN201711015676.8A CN201711015676A CN107780991A CN 107780991 A CN107780991 A CN 107780991A CN 201711015676 A CN201711015676 A CN 201711015676A CN 107780991 A CN107780991 A CN 107780991A
- Authority
- CN
- China
- Prior art keywords
- valve
- air outlet
- internal combustion
- combustion engine
- engine air
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L3/02—Selecting particular materials for valve-members or valve-seats; Valve-members or valve-seats composed of two or more materials
-
- 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
- B23P15/001—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass valves or valve housings
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Forging (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a kind of internal combustion engine air outlet valve, a kind of internal combustion engine air outlet valve, it is characterised in that it is welding between the valve disc and the valve stem including valve disc and valve stem, wherein, the component of the valve disc and the percentage by weight of each component are：Chromium：5‑7%：Carbon：0.35‑0.5%；Nickel：3‑6%；Manganese：10‑14%；Niobium：0.2‑0.6%；Nanoalloy alterant, 0.05 0.1%；Surplus is iron；The component of the valve stem and the percentage by weight of each component are：Chromium：0.5‑0.7%；Molybdenum：0.2‑0.5%：Carbon：0.35‑0.5%；Silicon：0.3‑0.45%；Nickel：0.1‑0.4%；Surplus is iron.Carbide niobium is added in valve disc disclosed by the invention, so as to improve the elevated temperature strength of component, improves the service life of valve disc.
Description
Technical field
The present invention relates to internal combustion engine part technical field, and in particular to a kind of internal combustion engine air outlet valve and its preparation technology.
Background technology
The effect of valve is to be responsible for the input air into engine specially and discharge the waste gas after burning.From engine structure
On, it is divided into air outlet valve (intake valve) and exhaust valve (exhaust valve).The effect of air outlet valve is to draw air into hair
In motivation, with fuel mixed combustion；The effect of exhaust valve is that the waste gas after burning is discharged and radiated.
Valve is made up of head portion that and bar portion.Head portion that temperature is very high, and pressure also subject to gas, valve
The active force and transmission component inertia force of spring, it lubricates, cooling condition is poor, it is desirable to which valve must have some strength, rigidity, resistance to
Heat and anti-wear performance.
Due to valve suffered heat in the course of the work, about 75% by the discone antenna surface of head portion that and raceway contacts and
Scatter away, in the course of the work by heat erosion, heat fatigue, thermal wear, therefore it is required that higher elevated temperature strength and anti-wear performance,
And existing internal combustion engine valve is easy to wear, the valve after abrasion causes valve blow-by, causes internal combustion engines cylinder to press through low, from
And show as being short of power, influence to use.
In view of it is easy to wear existing for above-mentioned existing air outlet valve the defects of, the present inventor be based on be engaged in such product design
Manufacture abundant for many years practical experience and professional knowledge, and coordinate the utilization of scientific principle, actively it is subject to research and innovation, to found one
Kind internal combustion engine air outlet valve and its preparation technology, make it have more practicality.By constantly research, design, and through trying repeatedly
After making sample and improving, the present invention having practical value is created finally.
The content of the invention
It is a primary object of the present invention to, the defects of overcoming existing air outlet valve to exist, and a kind of internal combustion engine is provided with going out
Valve and its preparation technology, thus more suitable for practicality, and with the value in industry.
The object of the invention to solve the technical problems is realized using following technical scheme.
A kind of internal combustion engine air outlet valve, including valve disc and valve stem, wherein,
The component of the valve disc and the percentage by weight of each component are：Chromium：5-7%：Carbon：0.35-0.5%；Nickel：3-
6%；Manganese：10-14%；Niobium：0.2-0.6%；Nanoalloy alterant, 0.05-0.1%；Surplus is iron；
The component of the valve stem and the percentage by weight of each component are：Chromium：0.5-0.7%；Molybdenum：0.2-0.5%：Carbon：
0.35-0.5%；Silicon：0.3-0.45%；Nickel：0.1-0.4%；Surplus is iron.
As a kind of perferred technical scheme, it is to be welded to connect between the valve disc and the valve stem.
As a kind of perferred technical scheme, the Nanoalloy alterant includes following component and percentage by weight：Receive
Rice nickel powder：10-20%；Nano Mo powder；5-15%；Magnesium powder 5-10%；Binding agent：3-6%；Surplus is iron powder.
As a kind of perferred technical scheme, described adhesive is bentonite or hydroxylated cellulose.
The preparation technology of internal combustion engine air outlet valve, comprises the following steps：
Step 1：Prepare raw material according to the component and its content of the valve disc and the valve stem, respectively described in progress
The production of valve stem and the valve head material；
Step 2：The valve stem made from the step 1 is subjected to melting with the valve head material respectively and is forged into
Type；
Step 3：Between the valve stem and the valve disc of the shaping that the step 2 is obtained by the way of welding
Connection；
Step 4：The valve obtained to the step 3 is surface-treated；
Step 5：The valve stem of valve to carrying out surface treatment in the step 4 carries out alignment processing；
Step 6：Surface smoothness processing is carried out to the conical surface of the valve disc；
Step 7：In the surface overlaying niobium nickel alloy of the valve disc.
As a kind of perferred technical scheme, the step 2 carries out melting using vaccum sensitive stove, and wherein smelting temperature is
1700-1750 DEG C, smelting time 1.5-2h.
As a kind of perferred technical scheme, forging temperature in the step 2：1150~1200 DEG C of initial forging temperature, finish-forging
Temperature is 800-900 DEG C, and heating-up temperature is 1100-1300 DEG C, forging time 2-3h.
As a kind of perferred technical scheme, the surface treatment in the step 4 includes deburring, cuts length, sand
Valve club body described in light.
As a kind of perferred technical scheme, the niobium nickel alloy of surface overlaying is 50Cr-50Ni- in the step 7
Nb alloys.
As a kind of perferred technical scheme, welding current is 140A in the step 7, voltage 30V, and speed of welding is
55mm/min, powder feed rate 30g/min.
Using above-mentioned technical proposal, following technique effect can be realized：
1) carbide-niobium, is added in valve disc disclosed by the invention, it can form tiny and disperse
Carbide, so as to improve the elevated temperature strength of component so that still have under high temperature action of the valve disc in combustion chamber higher
Intensity is without easy to wear, so as to improve the service life of valve disc, in addition niobium combined with carbon can also prevent steel at high temperature or
Postwelding produces intercrystalline corrosion；
2) nickel, is added in valve disc and valve stem, it can improve the intensity of steel, and keep good plasticity and tough
Property, there is antirust and temperature capacity at high temperature in addition；
3) molybdenum, is added in valve stem, it can make the crystal grain refinement of steel, quenching degree and thermostrength be improved, in high temperature
Keep enough intensity and creep resisting ability；
4), alloy inoculant can form largely scattered non-spontaneous nucleation in the alloy, tiny so as to obtain
Crystal grain, reach the purpose of reinforced alloys performance, and Nanoalloy alterant can more uniformly disperse.
Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, to according to this
The internal combustion engine air outlet valve proposed and its preparation technology its embodiment, feature and its effect are invented, is described in detail as after.
The invention discloses a kind of internal combustion engine air outlet valve, including valve disc and valve stem, wherein,
The component of valve disc and the percentage by weight of each component are：Chromium：5-7%：Carbon：0.35-0.5%；Nickel：3-6%；
Manganese：10-14%；Niobium：0.2-0.6%；Nanoalloy alterant, 0.05-0.1%；Surplus is iron；
The component of valve stem and the percentage by weight of each component are：Chromium：0.5-0.7%；Molybdenum：0.2-0.5%：Carbon：0.35-
0.5%；Silicon：0.3-0.45%；Nickel：0.1-0.4%；Surplus is iron.
As a kind of perferred technical scheme, it is to be welded to connect between valve disc and valve stem.
As a kind of perferred technical scheme, Nanoalloy alterant includes following component and percentage by weight：Nano nickel
Powder：10-20%；Nano Mo powder；5-15%；Magnesium powder 5-10%；Binding agent：3-6%；Surplus is iron powder.
As a kind of perferred technical scheme, adhesive is bentonite or hydroxylated cellulose.
The invention also discloses a kind of preparation technology of internal combustion engine air outlet valve, comprise the following steps：
Step 1：Prepare raw material according to the component and its content of valve disc and valve stem, carry out valve stem and valve respectively
The production of head material；
Step 2：Valve stem made from step 1 and valve head material are subjected to melting and forging molding respectively；
Step 3：Connected between the valve stem and valve disc of the shaping that step 2 is obtained by the way of welding；
Step 4：The valve that step 3 obtains is surface-treated；
Step 5：The valve stem of valve to carrying out surface treatment in step 4 carries out alignment processing；
Step 6：Surface smoothness processing is carried out to the conical surface of valve disc；
Step 7：In the surface overlaying niobium nickel alloy of valve disc.
As a kind of perferred technical scheme, step 2 carries out melting using vaccum sensitive stove, and wherein smelting temperature is
1700-1750 DEG C, smelting time 1.5-2h.
As a kind of perferred technical scheme, forging temperature in step 2：1150~1200 DEG C of initial forging temperature, final forging temperature
For 800-900 DEG C, heating-up temperature is 1100-1300 DEG C, forging time 2-3h.
As a kind of perferred technical scheme, the surface treatment in step 4 includes deburring, cuts length, sanding valve stem
Shaft.
As a kind of perferred technical scheme, the niobium nickel alloy of surface overlaying is 50Cr-50Ni-Nb alloys in step 7.
As a kind of perferred technical scheme, welding current is 140A in step 7, voltage 30V, and speed of welding is
55mm/min, powder feed rate 30g/min.
In order to further illustrate the present invention, with reference to specific embodiment to internal combustion engine air outlet valve provided by the invention and
Its preparation technology is described in detail, but should not be construed as limiting the scope of the present invention.
Embodiment 1
Nanoalloy alterant includes following component and percentage by weight：Nano-nickel powder：10%；Nano Mo powder；5%；Magnesium
Powder 5%；Binding agent：3%；Iron powder：77%.
The component of valve disc and the percentage by weight of each component are：Chromium：5%：Carbon：0.35%；Nickel：3%；Manganese：10%；
Niobium：0.2%；Nanoalloy alterant, 0.05%；Iron：81.4%；
The component of valve stem and the percentage by weight of each component are：Chromium：0.5%；Molybdenum：0.2%：Carbon：0.35%；Silicon：
0.3%；Nickel：0.1%；Iron：98.55%.
The preparation technology of internal combustion engine air outlet valve, comprises the following steps：
Step 1：According to the component and its content of as above valve disc and valve stem prepare raw material, respectively carry out valve stem with
The production of valve head material；
Step 2：It is wherein molten that valve stem made from step 1 and valve head material are carried out to melting in vaccum sensitive stove respectively
It is 1700 DEG C to refine temperature, and in melting, Nanoalloy alterant is in the conjunction that will be come out of the stove by smelting time 1.5h, wherein valve disc
Added in golden liquid.
Material after melting is carried out into forging molding to come out of the stove, wherein forging temperature：1150 DEG C of initial forging temperature, final forging temperature are
800 DEG C, heating-up temperature is 1100 DEG C, forging time 3h.
Step 3：Connected between the valve stem and valve disc of the shaping that step 2 is obtained by the way of welding；
Step 4：The valve that step 3 obtains is surface-treated, wherein surface treatment includes deburring, cuts length, sand
Phosgene door rod shaft.
Step 5：The valve stem of valve to carrying out surface treatment in step 4 carries out alignment processing；
Step 6：Surface smoothness processing is carried out to the conical surface of valve disc, specifically, adding using milling machine to its surface
Work processing；
Step 7：In the surface overlaying niobium nickel alloy of valve disc, the niobium nickel alloy of surface overlaying closes for 50Cr-50Ni-Nb
Gold, and welding current is 140A, voltage 30V, speed of welding 55mm/min, powder feed rate 30g/min.
Embodiment 2
Nanoalloy alterant includes following component and percentage by weight：Nano-nickel powder：20%；Nano Mo powder；15%；Magnesium
Powder 10%；Binding agent：6%；Iron powder：49%.
The component of valve disc and the percentage by weight of each component are：Chromium：7%：Carbon：0.5%；Nickel：6%；Manganese：14%；Niobium：
0.6%；Nanoalloy alterant, 0.1%；Iron：71.8%；
The component of valve stem and the percentage by weight of each component are：Chromium：0.7%；Molybdenum：0.5%：Carbon：0.5%；Silicon：
0.45%；Nickel：0.4%；Iron：97.45%.
The preparation technology of internal combustion engine air outlet valve, comprises the following steps：
Step 1：According to the component and its content of as above valve disc and valve stem prepare raw material, respectively carry out valve stem with
The production of valve head material；
Step 2：It is wherein molten that valve stem made from step 1 and valve head material are carried out to melting in vaccum sensitive stove respectively
It is 1750 DEG C to refine temperature, and in melting, Nanoalloy alterant is in the alloy that will be come out of the stove by smelting time 2h, wherein valve disc
Added in liquid.
Material after melting is carried out into forging molding to come out of the stove, wherein forging temperature：1200 DEG C of initial forging temperature, final forging temperature are
900 DEG C, heating-up temperature is 1300 DEG C, forging time 2h.
Step 3：Connected between the valve stem and valve disc of the shaping that step 2 is obtained by the way of welding；
Step 4：The valve that step 3 obtains is surface-treated, wherein surface treatment includes deburring, cuts length, sand
Phosgene door rod shaft.
Step 5：The valve stem of valve to carrying out surface treatment in step 4 carries out alignment processing；
Step 6：Surface smoothness processing is carried out to the conical surface of valve disc, specifically, adding using milling machine to its surface
Work processing；
Step 7：In the surface overlaying niobium nickel alloy of valve disc, the niobium nickel alloy of surface overlaying closes for 50Cr-50Ni-Nb
Gold, and welding current is 140A, voltage 30V, speed of welding 55mm/min, powder feed rate 30g/min.
Embodiment 3
Nanoalloy alterant includes following component and percentage by weight：Nano-nickel powder：15%；Nano Mo powder；10%；Magnesium
Powder 8%；Binding agent：5%；Iron powder：62%.
The component of valve disc and the percentage by weight of each component are：Chromium：6%：Carbon：0.4%；Nickel：5%；Manganese：12%；Niobium：
0.4%；Nanoalloy alterant, 0.08%；Iron：76.12%；
The component of valve stem and the percentage by weight of each component are：Chromium：0.6%；Molybdenum：0.4%：Carbon：0.4%；Silicon：
0.4%；Nickel：0.2%；Iron：98%.
The preparation technology of internal combustion engine air outlet valve, comprises the following steps：
Step 1：According to the component and its content of as above valve disc and valve stem prepare raw material, respectively carry out valve stem with
The production of valve head material；
Step 2：It is wherein molten that valve stem made from step 1 and valve head material are carried out to melting in vaccum sensitive stove respectively
It is 1720 DEG C to refine temperature, and in melting, Nanoalloy alterant is in the alloy that will be come out of the stove by smelting time 2h, wherein valve disc
Added in liquid.
Material after melting is carried out into forging molding to come out of the stove, wherein forging temperature：1200 DEG C of initial forging temperature, final forging temperature are
900 DEG C, heating-up temperature is 1300 DEG C, forging time 2.5h.
Step 3：Connected between the valve stem and valve disc of the shaping that step 2 is obtained by the way of welding；
Step 4：The valve that step 3 obtains is surface-treated, wherein surface treatment includes deburring, cuts length, sand
Phosgene door rod shaft.
Step 5：The valve stem of valve to carrying out surface treatment in step 4 carries out alignment processing；
Step 6：Surface smoothness processing is carried out to the conical surface of valve disc, specifically, adding using milling machine to its surface
Work processing；
Step 7：In the surface overlaying niobium nickel alloy of valve disc, the niobium nickel alloy of surface overlaying closes for 50Cr-50Ni-Nb
Gold, and welding current is 140A, voltage 30V, speed of welding 55mm/min, powder feed rate 30g/min.
Tested using the material mixture ratio of above-described embodiment and the obtained air outlet valve of preparation technology, specific experiment knot
Fruit is as shown in table 1：
The test data of table 1
By above-mentioned experiment, the hardness height for the valve that embodiment obtains, wearability are good, service life length.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technical spirit according to the present invention
Any simple modification, equivalent change and modification made to above example, in the range of still falling within technical solution of the present invention.
Claims (10)
- A kind of 1. internal combustion engine air outlet valve, it is characterised in that including valve disc and valve stem, wherein,The component of the valve disc and the percentage by weight of each component are：Chromium：5-7%：Carbon：0.35-0.5%；Nickel：3-6%；Manganese： 10-14%；Niobium：0.2-0.6%；Nanoalloy alterant, 0.05-0.1%；Surplus is iron；The component of the valve stem and the percentage by weight of each component are：Chromium：0.5-0.7%；Molybdenum：0.2-0.5%：Carbon：0.35- 0.5%；Silicon：0.3-0.45%；Nickel：0.1-0.4%；Surplus is iron.
- 2. internal combustion engine air outlet valve according to claim 1, it is characterised in that between the valve disc and the valve stem To be welded to connect.
- 3. internal combustion engine air outlet valve according to claim 1 or 2, it is characterised in that the Nanoalloy alterant includes Following component and percentage by weight：Nano-nickel powder：10-20%；Nano Mo powder；5-15%；Magnesium powder 5-10%；Binding agent：3-6%；It is remaining Measure as iron powder.
- 4. internal combustion engine air outlet valve according to claim 3, it is characterised in that described adhesive is that bentonite or hydroxyl are fine Dimension element.
- 5. the preparation technology of internal combustion engine air outlet valve according to claim 1, it is characterised in that comprise the following steps：Step 1：Prepare raw material according to the component and its content of the valve disc and the valve stem, carry out the valve respectively The production of bar and the valve head material；Step 2：The valve stem made from the step 1 and the valve head material are subjected to melting and forging molding respectively；Step 3：Connected between the valve stem and the valve disc of the shaping that the step 2 is obtained by the way of welding Connect；Step 4：The valve obtained to the step 3 is surface-treated；Step 5：The valve stem of valve to carrying out surface treatment in the step 4 carries out alignment processing；Step 6：Surface smoothness processing is carried out to the conical surface of the valve disc；Step 7：In the surface overlaying niobium nickel alloy of the valve disc.
- 6. the preparation technology of internal combustion engine air outlet valve according to claim 4, it is characterised in that the step 2 is using true Empty induction furnace carries out melting, and wherein smelting temperature is 1700-1750 DEG C, smelting time 1.5-2h.
- 7. the preparation technology of internal combustion engine air outlet valve according to claim 6, it is characterised in that forged in the step 2 Temperature：1150~1200 DEG C of initial forging temperature, final forging temperature are 800-900 DEG C, and heating-up temperature is 1100-1300 DEG C, forging time For 2-3h.
- 8. the preparation technology of internal combustion engine air outlet valve according to claim 4, it is characterised in that the institute in the step 4 Stating surface treatment includes deburring, cuts length, valve club body described in sanding.
- 9. the preparation technology of internal combustion engine air outlet valve according to claim 4, it is characterised in that surface in the step 7 The niobium nickel alloy of built-up welding is 50Cr-50Ni-Nb alloys.
- 10. the preparation technology of internal combustion engine air outlet valve according to claim 4, it is characterised in that welded in the step 7 Electric current is 140A, voltage 30V, speed of welding 55mm/min, powder feed rate 30g/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711015676.8A CN107780991A (en) | 2017-10-25 | 2017-10-25 | A kind of internal combustion engine air outlet valve and its preparation technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711015676.8A CN107780991A (en) | 2017-10-25 | 2017-10-25 | A kind of internal combustion engine air outlet valve and its preparation technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107780991A true CN107780991A (en) | 2018-03-09 |
Family
ID=61435319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711015676.8A Pending CN107780991A (en) | 2017-10-25 | 2017-10-25 | A kind of internal combustion engine air outlet valve and its preparation technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107780991A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3969109A (en) * | 1974-08-12 | 1976-07-13 | Armco Steel Corporation | Oxidation and sulfidation resistant austenitic stainless steel |
| CN104791041A (en) * | 2015-05-18 | 2015-07-22 | 夏志清 | Air cylinder cover for automobile engine |
| CN105296858A (en) * | 2015-11-11 | 2016-02-03 | 杨秋香 | High-performance engine inlet valve and preparing method thereof |
| CN106282783A (en) * | 2016-10-18 | 2017-01-04 | 江苏上淮动力有限公司 | The inlet and exhaust valve seat ring of electromotor and inlet and exhaust valve combination |
| CN106996323A (en) * | 2017-05-19 | 2017-08-01 | 成都亨通兆业精密机械有限公司 | A kind of preparation method of exhaust valve |
-
2017
- 2017-10-25 CN CN201711015676.8A patent/CN107780991A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3969109A (en) * | 1974-08-12 | 1976-07-13 | Armco Steel Corporation | Oxidation and sulfidation resistant austenitic stainless steel |
| CN104791041A (en) * | 2015-05-18 | 2015-07-22 | 夏志清 | Air cylinder cover for automobile engine |
| CN105296858A (en) * | 2015-11-11 | 2016-02-03 | 杨秋香 | High-performance engine inlet valve and preparing method thereof |
| CN106282783A (en) * | 2016-10-18 | 2017-01-04 | 江苏上淮动力有限公司 | The inlet and exhaust valve seat ring of electromotor and inlet and exhaust valve combination |
| CN106996323A (en) * | 2017-05-19 | 2017-08-01 | 成都亨通兆业精密机械有限公司 | A kind of preparation method of exhaust valve |
Non-Patent Citations (1)
| Title |
|---|
| 周平安: "《高性价比水泥生产用耐磨材料应用手册》", 31 October 2014, 中国建材工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103757516B (en) | wear-resistant white cast iron and preparation method thereof | |
| JP4213060B2 (en) | Ferrous sintered alloy material for valve seats | |
| CN102251184B (en) | Fe-Cr-B antifriction alloy containing aluminum and preparation method thereof | |
| CN102251167B (en) | Manufacture method of slip sheet of air conditioner compressor | |
| TW200302873A (en) | Hot-working tool steel | |
| CN108950385A (en) | Forge the big specification abrading-ball steel of low-cost and high-performance and its production method | |
| CN111893381A (en) | High-nitrogen stainless bearing steel and preparation method thereof | |
| CN103789600B (en) | Hypereutectic high chromium cast iron preparation method | |
| CN106834888A (en) | A kind of high-strength abrasion-proof cast steel lining board and preparation method thereof | |
| CN105112790A (en) | High-strength wear-resistant spheroidal-graphit cast steel and preparation method thereof | |
| CN102418044B (en) | Steel for steel balls and method for manufacturing steel balls | |
| EP2253727B1 (en) | Iron-based alloy powder | |
| CN102181791A (en) | In-situ TiC dispersion-strengthened austenitic heat-resistant steel and preparation method thereof | |
| CN104878299B (en) | Powder metallurgy wear-resistant and corrosion-resistant tool steel | |
| CN102230135A (en) | Martensite wear resistant steel and manufacturing method thereof | |
| JP6392530B2 (en) | Ferrous sintered alloy valve seat | |
| CN107780991A (en) | A kind of internal combustion engine air outlet valve and its preparation technology | |
| CN107267778B (en) | A kind of magnesium smelting reduction pot and preparation method thereof | |
| CN104878303B (en) | Wear-resistant and corrosion-resistant alloy | |
| CN107604243A (en) | A kind of high-strength bolt material and preparation method thereof | |
| CN111304527B (en) | Steel piston and preparation method thereof | |
| CN100424211C (en) | Modified steel and its production method | |
| CN106591694A (en) | Wear-resisting and heat-resisting vermicular graphite cast iron and production technology thereof | |
| CN106282782B (en) | High alloy hot-puncturing process comes directly towards | |
| CN107794462A (en) | A kind of internal combustion engine inlet valve and its preparation technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191220 Address after: 212219 Taiping Road, eight Town, Yangzhong, Jiangsu, Zhenjiang Applicant after: Zhenjiang Weinat Valve Technology Co., Ltd. Address before: 212219 Taiping Road, eight Town, Yangzhong, Jiangsu, Zhenjiang Applicant before: Jiangsu Jinshan Power Technology Co., Ltd. |
|
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180309 |