CN107236898A - A kind of processing technology of hydraulic pump body - Google Patents
A kind of processing technology of hydraulic pump body Download PDFInfo
- Publication number
- CN107236898A CN107236898A CN201710639796.9A CN201710639796A CN107236898A CN 107236898 A CN107236898 A CN 107236898A CN 201710639796 A CN201710639796 A CN 201710639796A CN 107236898 A CN107236898 A CN 107236898A
- Authority
- CN
- China
- Prior art keywords
- parts
- pump housing
- hydraulic pump
- pump body
- processing technology
- 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
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/006—Making ferrous alloys compositions used for making ferrous alloys
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- 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
- C22C33/06—Making ferrous alloys by melting using master alloys
-
- 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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- 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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- 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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- 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
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- 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
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F17/00—Multi-step processes for surface treatment of metallic material involving at least one process provided for in class C23 and at least one process covered by subclass C21D or C22F or class C25
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The invention provides a kind of processing technology of hydraulic pump body, concrete operation step is as follows：1st, preparing raw material solution；2nd, material solution cast is obtained into pump housing blank；3rd, pump housing blank is cooled to room temperature by the way of Slow cooling, hydraulic pump body is made；4th, nickel plating, Passivation Treatment are carried out to the pump housing, pump housing surface is obtained coating；5th, corrosion resistant coating is sprayed in pump housing inner surface and outer surface.This raw material solution ratio rationally, can effectively improve dense structure and the corrosion resistance of the pump housing, coating make it that pump housing surface is brighter, and roughness is lower.
Description
Technical field
The invention belongs to hydraulic pump manufacture field, more particularly, to a kind of processing technology of hydraulic pump body.
Background technology
Hydraulic pump is the dynamical element of hydraulic system, provides power for hydraulic system, therefore be widely used.Hydraulic pump pump
Body is the critical component of hydraulic pump, and casing of hydraulic pump is used for a long time and can be worn, in existing casing of hydraulic pump insufficient strength,
It is used for multiple times and is easily caused housing abrasion, it is impossible to meets the use of various aspects.
The content of the invention
In view of this, the present invention is directed to propose a kind of processing technology of hydraulic pump body, obtained hydraulic pump body anti-corrosion
Corrosion is good, wearability is strong.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of processing technology of hydraulic pump body, concrete operation step is as follows：
1st, the material solution of the pump housing is manufactured with following raw materials according；
60-100 parts of the pig iron, 1-2 parts of rare earth element, 0.5-1 parts of tungsten, 1-1.5 parts of magnesium, 5-10 parts of manganeisen, carbon 1-2
Part, 5-10 parts of copper, 5-15 parts of nickel alumin(i)um alloy, 0.5-1 parts of calcium, 1-1.5 parts of manganese, 20-35 parts of carbon steel, 1-3 parts of silica, nickel 1-2
Part, 3-5 parts of aluminium alloy, 0.5-1 parts of chromium
2nd, material solution cast is obtained into pump housing blank；
3rd, pump housing blank is cooled to room temperature by the way of Slow cooling, hydraulic pump body is made；
4th, nickel plating, Passivation Treatment are carried out to the pump housing, pump housing surface is obtained coating；
5th, corrosion resistant coating is sprayed in pump housing inner surface and outer surface.
Further, it is 1 that the rare earth element, which includes lanthanum, holmium, gadolinium, praseodymium according to mass ratio,:1:1:1 composition of proportions.
Further, the temperature in cast is cast at 1200-1400 DEG C, and the duration of pouring is 50-70s, during cast not
It can stop, sprue cup is in full state all the time, to prevent gas and field trash from entering die cavity by running channel.
Further, can be using the air-cooled type of cooling with recirculated water cooling in the cooling procedure of step 3.
Further, in the cooling procedure of step 3, pump housing blank is annealed successively, quenched, temper.
Further, the corrosion resistant coating is fluorine carbon corrosion resistant coating.
Relative to prior art, the processing technology of hydraulic pump body of the present invention has the advantage that：This raw material is molten
Liquid reasonable mixture ratio, can effectively improve dense structure and the corrosion resistance of the pump housing, and coating make it that pump housing surface is brighter, roughness
It is lower.
Embodiment
It should be noted that in the case where not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Mutually combination.
The present invention is described in detail with reference to embodiment.
A kind of processing technology of hydraulic pump body, concrete operation step is as follows：
1st, the material solution of the pump housing is manufactured with following raw materials according；
60-100 parts of the pig iron, 1-2 parts of rare earth element, 0.5-1 parts of tungsten, 1-1.5 parts of magnesium, 5-10 parts of manganeisen, carbon 1-2
Part, 5-10 parts of copper, 5-15 parts of nickel alumin(i)um alloy, 0.5-1 parts of calcium, 1-1.5 parts of manganese, 20-35 parts of carbon steel, 1-3 parts of silica, nickel 1-2
Part, 3-5 parts of aluminium alloy, 0.5-1 parts of chromium
It is 1 that rare earth element, which includes lanthanum, holmium, gadolinium, praseodymium according to mass ratio,:1:1:1 composition of proportions
2nd, material solution cast is obtained into pump housing blank, the temperature in cast is cast at 1200-1400 DEG C, during cast
Between be 50-70s, can not be stopped during cast, sprue cup all the time be in full state, to prevent gas and field trash from entering by running channel
Enter die cavity；
3rd, pump housing blank is annealed successively, quenched, temper, using the air-cooled and recirculated water cooling type of cooling,
It is slowly cooled to room temperature, hydraulic pump body is made；
4th, nickel plating, Passivation Treatment are carried out to the pump housing, pump housing surface is obtained coating；
5th, fluorine carbon corrosion resistant coating is sprayed in pump housing inner surface and outer surface.
The embodiment 1 of material solution：
60 parts of the pig iron, 0.5 part of lanthanum, 0.5 part of holmium, 0.5 part of gadolinium, 0.5 part of praseodymium, 0.5 part of tungsten, 1 part of magnesium, 5 parts of manganeisen, carbon
1 part, 5 parts of copper, 5 parts of nickel alumin(i)um alloy, 0.5 part of calcium, 1 part of manganese, 20 parts of carbon steel, 1 part of silica, 1 part of nickel, 3 parts of aluminium alloy, chromium 0.5
Part
The embodiment 2 of material solution：
80 parts of the pig iron, 0.5 part of lanthanum, 0.5 part of holmium, 0.5 part of gadolinium, 0.5 part of praseodymium, 0.7 part of tungsten, 1.2 parts of magnesium, 8 parts of manganeisen,
1 part of carbon, 8 parts of copper, 10 parts of nickel alumin(i)um alloy, 0.5 part of calcium, 1.1 parts of manganese, 26 parts of carbon steel, 2 parts of silica, 1 part of nickel, 4 parts of aluminium alloy,
0.5 part of chromium
The embodiment 3 of material solution：
100 parts of the pig iron, 0.5 part of lanthanum, 0.5 part of holmium, 0.5 part of gadolinium, 0.5 part of praseodymium, 1 part of tungsten, 1.5 parts of magnesium, 10 parts of manganeisen,
2 parts of carbon, 10 parts of copper, 15 parts of nickel alumin(i)um alloy, 1 part of calcium, 1.5 parts of manganese, 35 parts of carbon steel, 3 parts of silica, 2 parts of nickel, 5 parts of aluminium alloy, chromium
1 part
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (6)
1. a kind of processing technology of hydraulic pump body, it is characterised in that concrete operation step is as follows：
1) material solution of the pump housing is manufactured with following raw materials according；
60-100 parts of the pig iron, 1-2 parts of rare earth element, 0.5-1 parts of tungsten, 1-1.5 parts of magnesium, 5-10 parts of manganeisen, 1-2 parts of carbon, copper
5-10 parts, 5-15 parts of nickel alumin(i)um alloy, 0.5-1 parts of calcium, 1-1.5 parts of manganese, 20-35 parts of carbon steel, 1-3 parts of silica, 1-2 parts of nickel, aluminium
2) material solution cast is obtained pump housing blank by 3-5 parts of alloy, 0.5-1 parts of chromium；
3) pump housing blank is cooled to room temperature by the way of Slow cooling, hydraulic pump body is made；
4) nickel plating, Passivation Treatment are carried out to the pump housing, pump housing surface is obtained coating；
5) corrosion resistant coating is sprayed in pump housing inner surface and outer surface.
2. a kind of processing technology of hydraulic pump body according to claim 1, it is characterised in that：The rare earth element includes
Lanthanum, holmium, gadolinium, praseodymium are 1 according to mass ratio:1:1:1 composition of proportions.
3. a kind of processing technology of hydraulic pump body according to claim 1 or 2, it is characterised in that：Temperature in cast
Spend to be poured into a mould at 1200-1400 DEG C, the duration of pouring is 50-70s, can not be stopped during cast, sprue cup is in full state all the time.
4. a kind of processing technology of hydraulic pump body according to claim 1, it is characterised in that：In the cooled of step 3
Cheng Zhong, can be using the air-cooled type of cooling with recirculated water cooling.
5. a kind of processing technology of hydraulic pump body according to claim 4, it is characterised in that：In the cooled of step 3
Cheng Zhong, is annealed, is quenched, temper successively to pump housing blank.
6. a kind of processing technology of hydraulic pump body according to claim 1, it is characterised in that：The corrosion resistant coating is fluorine carbon
Corrosion resistant coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710639796.9A CN107236898A (en) | 2017-07-31 | 2017-07-31 | A kind of processing technology of hydraulic pump body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710639796.9A CN107236898A (en) | 2017-07-31 | 2017-07-31 | A kind of processing technology of hydraulic pump body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107236898A true CN107236898A (en) | 2017-10-10 |
Family
ID=59989007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710639796.9A Pending CN107236898A (en) | 2017-07-31 | 2017-07-31 | A kind of processing technology of hydraulic pump body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107236898A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109082513A (en) * | 2018-09-12 | 2018-12-25 | 新乡市长城铸钢有限公司 | A kind of heat treatment process of large size pump case |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220543A (en) * | 2011-06-24 | 2011-10-19 | 刘文喜 | High-strength wear-resisting nodular cast iron applied on water pump |
| CN104264161A (en) * | 2014-09-11 | 2015-01-07 | 刘明亮 | Manufacturing method of automobile clutch master cylinder pump body |
| CN104911458A (en) * | 2015-04-27 | 2015-09-16 | 苏州劲元油压机械有限公司 | Hydraulic pump body casting process |
| CN106566988A (en) * | 2016-10-18 | 2017-04-19 | 滁州市大工机电有限公司 | Alloy steel material for anti-corrosion pump valve and preparation method thereof |
-
2017
- 2017-07-31 CN CN201710639796.9A patent/CN107236898A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220543A (en) * | 2011-06-24 | 2011-10-19 | 刘文喜 | High-strength wear-resisting nodular cast iron applied on water pump |
| CN104264161A (en) * | 2014-09-11 | 2015-01-07 | 刘明亮 | Manufacturing method of automobile clutch master cylinder pump body |
| CN104911458A (en) * | 2015-04-27 | 2015-09-16 | 苏州劲元油压机械有限公司 | Hydraulic pump body casting process |
| CN106566988A (en) * | 2016-10-18 | 2017-04-19 | 滁州市大工机电有限公司 | Alloy steel material for anti-corrosion pump valve and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109082513A (en) * | 2018-09-12 | 2018-12-25 | 新乡市长城铸钢有限公司 | A kind of heat treatment process of large size pump case |
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Application publication date: 20171010 |