CN108746234A - A kind of production method of tubing string shape component of machine - Google Patents
A kind of production method of tubing string shape component of machine Download PDFInfo
- Publication number
- CN108746234A CN108746234A CN201810681212.9A CN201810681212A CN108746234A CN 108746234 A CN108746234 A CN 108746234A CN 201810681212 A CN201810681212 A CN 201810681212A CN 108746234 A CN108746234 A CN 108746234A
- Authority
- CN
- China
- Prior art keywords
- raw material
- machine
- production method
- component
- powder
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/08—Making wire, bars, tubes
- B21C23/085—Making tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/005—Continuous extrusion starting from solid state material
Abstract
The present invention relates to a kind of production methods of tubing string shape component of machine, the use of reduced iron powder is raw material A, liquid unsaturated polyester resin and the mixture of liquid curing agent are as raw material B, raw material B is poured into raw material A and is uniformly mixed, mixed grind afterwards, gained mixture is fitted into inside and outside wall to be coated in the steel capsule of one layer of lubricant, ladle is placed on 5~30min of vacuumize process under -0.01~-0.015MPa, steel capsule is pushed into the mold of metal extrusion press afterwards and carries out isostatic cool pressing extruding, obtain tubulose or column blank material, gained blank material is through primary solidification, it is cut into pieces and obtains component of machine product after deeply-curing, component of machine is light-weight made from the production method of the present invention, density is 1.8~3.5t/m3, it is 2~4 times smaller than steel, and its intensity is not small, specific strength is more than shaped steel, duralumin and China fir etc., can substitute part cast blank completely.
Description
Technical field
The present invention relates to a kind of production method of component of machine more particularly to a kind of productions of tubing string shape component of machine
Method belongs to technical field of mechanical processing.
Background technology
The traditional casting method of component of machine is all made of metal (black is coloured) and is melted under 800~1600 DEG C of high temperature
Melt is obtained afterwards, and high temperature solution produces component of machine blank, there are high energy for conventional production methods through cast, cooling, finishing
The problems such as consumption, high pollution.In order to solve the problems, such as that energy conservation and environmental protection, country have banned the Small Foundry of 10,000 tons of Sub-scales；And
With China《Made in China 2025》The equipment manufacture of the proposition of developing goal, China must also develop on a large scale, by 2049
When, comprehensive strength enters world manufacturing power forefront, then the demand of component of machine also can bigger.
Therefore, it is necessary to which the component of machine blank for developing energy-saving and emission-reduction low-carbon environment-friendly and simple high-yield and high-efficiency economy makes
Novel technique, and then the wilderness demand equiped with arms and meet machinery manufacturing industry that China grows stronger day by day to component of machine.
Invention content
Deficiency present in conventional production methods of the present invention for component of machine provides a kind of tubing string shape machinery zero
The production method of part.
The technical solution that the present invention solves above-mentioned technical problem is as follows：
A kind of production method of tubing string shape component of machine, includes the following steps：
1) raw material is prepared：Using uniformly mixed TFe≤98.5%, η Fe >=98.0%, C≤0.5%, fineness 1000~
The reduced iron powder of 200 mesh is raw material A, liquid curing agent is added into liquid unsaturated polyester resin, the two is after mixing
As raw material B, the wherein dosage of liquid unsaturated polyester resin is the 10~20% of reduced iron powder weight, liquid curing agent
Dosage is the 0.5~2% of liquid unsaturated polyester resin weight；
2) mixed grind, loading steel capsule：Raw material B is poured into raw material A, is uniformly mixed, 10~20 min of rear mixed grind is obtained
Gained mixture is fitted into inside and outside wall and is coated in the steel capsule 2 of one layer of lubricant by " dough " shape mixture 4；
3) it is vacuum-treated：By the ladle equipped with mixture be placed on vacuumize process 5 under -0.01~-0.015MPa~
30min；
4) isostatic cool pressing squeezes：It will be pushed into the mold 3 of metal extrusion press through the steel capsule after step 3) vacuum processing,
Steel capsule is in interference fit state with mold so that the outlet 5 of steel capsule coincides as shown in Figure 1 with mould outlet 6, and metal squeezes
The stamping 1 of press is in 120~300MPa/cm2Under isostatic cool pressing, room temperature squeezes out tubulose or column blank material 7；
5) primary solidification：Static primary solidification is carried out by gained tubulose or column blank material after quiet finishing, under room temperature, is made
Its intensity reaches 10~40MPa；
6) it is cut into pieces, deeply-curing：By after step 5) primary solidification tubulose or column blank material be cut into pieces, through inspection
It looks into after being handled with finishing, continues static solidification under room temperature, so that its intensity is reached 50MPa or more and produced to get component of machine
Product.
The advantageous effect of production method provided by the invention is：
1) production method of the invention is squeezed using room temperature and is prepared, than conventional casting methods processing machinery parts more supernumerary segment
Energy, pollution-free and discharge, realize economical and efficient and ecological, environmental protective processing machinery parts；
2) production method raw material sources of the invention are extensive, production procedure is short, easy to operate and safety and stability, use we
Method manufacturing machine parts are of low cost, and the production cost of single products is the 30~50% of conventional casting methods, equipment investment
Low, production efficiency is high, and intelligence manipulation is high；
3) component of machine made from production method using the present invention is light-weight, and density is 1.8~3.5t/m3, compare steel
It is 2~4 times small, and its intensity is not small, specific strength is more than shaped steel, duralumin and China fir etc., can substitute part casting hair completely
Base；
4) component of machine made from production method using the present invention is widely used, and is fully available for motor casing, to folder
The tubuloses such as formula valve body, bearing block, the decelerator body, shaft coupling or column component of machine, apply also for coloured and non-metallic material
Material field.
Based on the above technical solution, the present invention can also be improved as follows.
Further, further include the steps that carrying out increasing density processing to component of machine, detailed process is：It will be zero mechanical
Part is thoroughly covered using pulverized limestone, alumina powder or coal dust, and in inertia or reproducibility atmosphere, 48h at the uniform velocity rises from 100 DEG C
Temperature makes the unsaturated polyester resin in component of machine slowly volatilize to 450 DEG C, and then it is complete to volatilize, then at the uniform velocity with 2~8h
900~950 DEG C, 2~4h of Isothermal sinter are warming up to, then is at the uniform velocity warming up to the 2/3~3/4 of component of machine fusing point with 1~2h
(i.e. 1100~1150 DEG C), 2~8h of constant temperature, stop heating, naturally cool to 200 DEG C hereinafter, gained component of machine density
Reach 7.6~7.8t/m3, intensity also reached the material index of straight carbon steel.
Advantageous effect using above-mentioned further technical solution is can to further increase the density of component of machine and strong
Degree, suitable for processing the component of machine for needing high-density high-strength.
Further, also comprising metallic silicon power, manganese powder, the metallic copper that fineness is 1000~200 mesh in the raw material A
One or more mixtures in powder, metal nickel powder, hafnium metal powfer, metal molybdenum powder, graphite powder, alumina powder, zirconia powder.
Further, the unsaturated polyester resin is O-phthalic acid type unsaturated polyester resin or dicyclic pentylene modified
" the prosperous board in side " adjacent benzene-type or double ring type unsaturated polyester (UP) of unsaturated polyester resin, preferably Nantong Fang Xin Chemical Co., Ltd.s production
Naval stores.
Further, the liquid curing agent is methyl ethyl ketone peroxide, preferably " the side of Nantong Fang Xin Chemical Co., Ltd.s production
The methyl ethyl ketone peroxide I or methyl ethyl ketone peroxide II of prosperous board " colourless transparent liquid.
Further, the lubricant is detergent or vaseline.
Description of the drawings
Fig. 1 is isostatic cool pressing extrusion process schematic diagram；
Fig. 2 is steel capsule structural schematic diagram；
In Fig. 1,2,1, stamping；2, steel capsule；3, mold；4, mixture；5, the outlet of steel capsule；6, mould outlet；7,
Blank.
Specific implementation mode
Principles and features of the present invention are described below in conjunction with example, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
Embodiment 1：
A kind of production method squeezing wafer type butterfly valve body, includes the following steps：
1) raw material is prepared：Using uniformly mixed TFe 98.28%, η Fe 98.5%, C0.48%, 5~74 μm of fineness
Reduced iron powder be raw material A, liquid curing agent peroxidating is added into " side prosperous board " FX-199 metaphenylene unsaturated polyester resins
Methyl ethyl ketone I, the two are used as raw material B after mixing, and the wherein dosage of unsaturated polyester resin is reduced iron powder weight
10%, the dosage of liquid curing agent is the 2% of liquid unsaturated polyester resin weight；
2) mixed grind, loading steel capsule：Raw material B is poured into raw material A, is uniformly mixed rapidly, rear mixed grind 15min is obtained
Gained mixture is fitted into inside and outside wall and is coated in the steel capsule 2 of one layer of vaseline by " dough " shape mixture 4；
3) it is vacuum-treated：Ladle equipped with " dough " shape mixture is placed under -0.01MPa and vacuumizes 5min；
4) isostatic cool pressing squeezes：It will be pushed into the mold 3 of metal extrusion press through the steel capsule after step 3) vacuum processing,
Steel capsule is in interference fit state with mold so that the outlet 5 of steel capsule coincides as shown in Figure 1 with mould outlet 6, and metal squeezes
The stamping 1 of press is in 240MPa/cm2Under isostatic cool pressing, room temperature squeezes out the valve body of internal diameter ￠ 120mm；
5) blank primary solidification：It is carried out by gained tubulose or column blank material after quiet finishing, under room temperature static preliminary solid
Change 2h, its intensity is made to reach 10~20MPa；
6) it is cut into pieces, deeply-curing：Valve body after step 5) primary solidification is cut to 120mm using wire cutting
Piece, modification corner, burr etc. carry out the solidification of 48h static depths to get wafer type butterfly valve body product under room temperature.
Embodiment 2：
A kind of production method squeezing shaft coupling, includes the following steps：
1) raw material is prepared：Using uniformly mixed TFe 98.28%, η Fe 98.5%, C0.48%, 5~74 μm of fineness
Reduced iron powder be raw material A, in the liquid resin of " side prosperous board " the FX-3502 models produced to Nantong Fang Xin chemical companies plus
Enter " the prosperous board in side " liquid curing agent methyl ethyl ketone peroxide | |, the two is used as raw material B after mixing, and the wherein dosage of resin is also
The 10% of former iron powder weight, the dosage of liquid curing agent are the 2% of weight resin；
2) mixed grind, loading steel capsule：Raw material B is poured into raw material A, is uniformly mixed rapidly, rear mixed grind 20min is obtained
Gained mixture is fitted into inside and outside wall and is coated in the steel capsule 2 of one layer of vaseline by " dough " shape mixture 4；
3) it is vacuum-treated：Ladle equipped with " dough " shape mixture is placed under -0.012MPa and vacuumizes 6 min；
4) isostatic cool pressing squeezes：It will be pushed into the mold 3 of metal extrusion press through the steel capsule after step 3) vacuum processing,
Steel capsule is in interference fit state with mold so that the outlet 5 of steel capsule coincides as shown in Figure 1 with mould outlet 6, and metal squeezes
The stamping 1 of press is in 220MPa/cm2Under isostatic cool pressing, room temperature squeezes out the shaft coupling column of outer diameter ￠ 160mm；
5) blank primary solidification：Static primary solidification 2.2h is carried out by gained shaft coupling column after quiet finishing, under room temperature,
Its intensity is set to reach 10~20MPa；
6) it is cut into pieces, deeply-curing：Shaft coupling column after step 5) primary solidification is cut to using wire cutting
The piece of 80mm thickness carries out the solidification of 56h static depths to get shaft coupling blank product after modification, under room temperature.
Embodiment 3：
A kind of production method squeezing motor casing, includes the following steps：
1) raw material is prepared：Using uniformly mixed TFe 98.28%, η Fe 98.5%, C0.48%, 5~74 μm of fineness
Reduced iron powder be raw material A, " side is added in the resin of " side prosperous board " the FX-7102 models produced to Nantong Fang Xin chemical companies
Prosperous board " liquid curing agent methyl ethyl ketone peroxide | |, the two is used as raw material B after mixing, and the wherein dosage of resin is reduced iron
The 20% of powder weight, the dosage of liquid curing agent are the 0.5% of weight resin；
2) mixed grind, loading steel capsule：Raw material B is poured into raw material A, is uniformly mixed rapidly, rear mixed grind 18min is obtained
Gained mixture is fitted into inside and outside wall and is coated in the steel capsule 2 of one layer of liquid detergent by " dough " shape mixture 4；
3) it is vacuum-treated：Ladle equipped with " dough " shape mixture is placed under -0.015MPa and vacuumizes 10min；
4) isostatic cool pressing squeezes：It will be pushed into the mold 3 of metal extrusion press through the steel capsule after step 3) vacuum processing,
Steel capsule is in interference fit state with mold so that the outlet 5 of steel capsule coincides as shown in Figure 1 with mould outlet 6, and metal squeezes
The stamping 1 of press is in 300MPa/cm2Under isostatic cool pressing, room temperature squeezes out the motor package of internal diameter ￠ 200mm；
5) blank primary solidification：Static primary solidification 2.5h is carried out by gained motor package after quiet finishing, under room temperature,
Its intensity is set to reach 10~20MPa；
6) it is cut into pieces, deeply-curing：Motor package after step 5) primary solidification is cut to using wire cutting
The section of 360mm carries out the solidification of 58h static depths to get motor package blank product after changing corner, burr, under room temperature.
Embodiment 4：
A kind of production method of the decelerator body, includes the following steps：
1) raw material is prepared：Using uniformly mixed TFe 98.28%, η Fe 98.5%, C0.48%, 5~74 μm of fineness
Reduced iron powder be raw material A, " side is added in the resin of " side prosperous board " the FX-7102 models produced to Nantong Fang Xin chemical companies
Prosperous board " liquid curing agent methyl ethyl ketone peroxide I, the two are used as raw material B after mixing, and the wherein dosage of resin is reduced iron powder
The dosage of the 15% of last weight, liquid curing agent is that vacuum imports the 1.3% of weight resin；
2) mixed grind, loading steel capsule：Raw material B is poured into raw material A, is uniformly mixed rapidly, rear mixed grind 17min is obtained
Gained mixture is fitted into inside and outside wall and is coated in the steel capsule 2 of one layer of vaseline by " dough " shape mixture 4；
3) it is vacuum-treated：Ladle equipped with " dough " shape mixture is placed under -0.015MPa and vacuumizes 8 min；
4) isostatic cool pressing squeezes：It will be pushed into the mold 3 of metal extrusion press through the steel capsule after step 3) vacuum processing,
Steel capsule is in interference fit state with mold so that the outlet 5 of steel capsule coincides as shown in Figure 1 with mould outlet 6, and metal squeezes
The stamping 1 of press is in 280MPa/cm2Under isostatic cool pressing, room temperature squeezes out the speed reducer package of internal diameter ￠ 200mm；
5) blank primary solidification：Static primary solidification 2.5h is carried out by gained speed reducer package after quiet finishing, under room temperature,
Its intensity is set to reach 10~20MPa；
6) it is cut into pieces, deeply-curing：Deceleration package after step 5) primary solidification is cut to using wire cutting
The section of 220mm carries out the solidification of 60h static depths to get speed reducer package blank product after changing corner, burr, under room temperature；
7) increase density processing：Speed reducer package is placed in roaster, using 40wt% alumina powders and 60wt% coals
Powder thoroughly covers the decelerator body, and in atmosphere of hydrogen, 48h is warming up to 450 DEG C from 100 DEG C, makes in component of machine
Resin slowly volatilizees, and is then warming up to 930 DEG C, Isothermal sinter 3h with 6h, then be warming up to 1120 DEG C, constant temperature 4h with 2h, stops adding
Heat naturally cools to 300 DEG C hereinafter, the density of gained component of machine reaches 7.78t/m under hydrogen protection3, intensity also reaches
The material index of straight carbon steel is arrived.
Examples 1 to 4 products obtained therefrom has been subjected to the test of properties, instrument has been tested and process is as follows：
Above-mentioned sample is cut and is polished into fritter and is weighed, then use measuring cup, measure its volume with water, be computed obtain it is close
Degree.
Test rod is squeezed into using same material, after finishing, is measured using tension machine and shock resistance tool, it is strong to obtain machinery
Index and impact strength index are spent, Izod notched impact strength is tested according to GB/T9341-2000.
Using hydrochloric acid solution, after smearing its surface 2h, surface corrosion situation is observed, no macroscopic corrosion is considered as resistance to
Corrosivity is good, and macroscopic corrosion occur, to be considered as corrosion resistance general；
Its test block is heated to 300 DEG C, after keeping 5h, its deformation and Strength Changes is tested, observes its heat resistance, no deformation
It is good to be considered as heat resistance with Strength Changes, there is slight deformation and Strength Changes to be considered as heat resistance general.
Above-mentioned test result is as shown in table 1.
The performance test results of 1 Examples 1 to 4 products obtained therefrom of table
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of production method of tubing string shape component of machine, which is characterized in that include the following steps：
1) raw material is prepared：Using uniformly mixed TFe≤98.5%, η Fe >=98.0%, C≤0.5%, 1000~200 mesh of fineness
Reduced iron powder be raw material A, be added liquid curing agent into liquid unsaturated polyester resin, the two is used as original after mixing
Expect B, the wherein dosage of liquid unsaturated polyester resin is the 10~20% of reduced iron powder weight, and the dosage of liquid curing agent is
The 0.5~2% of liquid unsaturated polyester resin weight；
2) mixed grind, loading steel capsule：Raw material B is poured into raw material A, is uniformly mixed, rear 10~20min of mixed grind, by gained
Mixture (4) is fitted into inside and outside wall and is coated in the steel capsule (2) of one layer of lubricant；
3) it is vacuum-treated：Ladle equipped with mixture is placed on 5~30min of vacuumize process under -0.01~-0.015MPa；
4) isostatic cool pressing squeezes：It will be pushed into the mold (3) of metal extrusion press through the steel capsule after step 3) vacuum processing, ladle
Set is in interference fit state with mold so that the outlet (5) of steel capsule coincides with mould outlet (6), the mould of metal extrusion press
(1) is rushed in 120~300MPa/cm2Under isostatic cool pressing, room temperature squeezes out tubulose or column blank material (7)；
5) primary solidification：Static primary solidification is carried out by gained tubulose or column blank material after quiet finishing, under room temperature, keeps it strong
Degree reaches 10~40MPa；
6) it is cut into pieces, deeply-curing：By after step 5) primary solidification tubulose or column blank material be cut into pieces, on inspection and
After finishing processing, continues static solidification under room temperature, its intensity is made to reach 50MPa or more to get component of machine.
2. production method according to claim 1, which is characterized in that further include to component of machine increase at density
The step of reason, detailed process are：Component of machine is thoroughly covered using pulverized limestone, alumina powder or coal dust, in inertia
Or in reproducibility atmosphere, 48h is at the uniform velocity warming up to 450 DEG C from 100 DEG C, 900~950 DEG C is then at the uniform velocity warming up to 2~8h, constant temperature
It is sintered 2~4h, then is at the uniform velocity warming up to the 2/3~3/4 of component of machine fusing point with 1~2h, 2~8h of constant temperature stops heating, natural
It is cooling.
3. production method according to claim 1 or 2, which is characterized in that in the raw material A also include fineness be 1000~
The metallic silicon powers of 200 mesh, manganese powder, copper powder, metal nickel powder, hafnium metal powfer, metal molybdenum powder, graphite powder, alumina powder,
One or more mixtures in zirconia powder.
4. production method according to claim 1 or 2, which is characterized in that the unsaturated polyester resin is O-phthalic
Acid type unsaturated polyester resin or dicyclic pentylene modified unsaturated polyester resin.
5. production method according to claim 1 or 2, which is characterized in that the liquid curing agent is methyl ethyl ketone peroxide.
6. production method according to claim 1 or 2, which is characterized in that the lubricant is detergent or vaseline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810681212.9A CN108746234A (en) | 2018-06-27 | 2018-06-27 | A kind of production method of tubing string shape component of machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810681212.9A CN108746234A (en) | 2018-06-27 | 2018-06-27 | A kind of production method of tubing string shape component of machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108746234A true CN108746234A (en) | 2018-11-06 |
Family
ID=63974272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810681212.9A Pending CN108746234A (en) | 2018-06-27 | 2018-06-27 | A kind of production method of tubing string shape component of machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108746234A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109622970A (en) * | 2019-02-25 | 2019-04-16 | 唐竹胜 | Preparation method of iron-based blank and mechanical part |
| CN110000386A (en) * | 2019-05-23 | 2019-07-12 | 唐竹胜 | A method of balance weight iron or components blank are prepared using steel scrap thin material |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB845988A (en) * | 1956-04-06 | 1960-08-24 | Plessey Co Ltd | Improvements in or relating to impact forging |
| SU1026962A1 (en) * | 1982-04-08 | 1983-07-07 | Московское Ордена Ленина, Ордена Октябрьской Революции И Ордена Трудового Красного Знамени Высшее Техническое Училище Им. Н.Э.Баумана | Method of producing sintered articles of iron-based material |
| CN1347135A (en) * | 2000-10-03 | 2002-05-01 | 日本碍子株式会社 | Seamless metal pipe and its production method |
| CN103658638A (en) * | 2013-12-12 | 2014-03-26 | 河南省大地合金股份有限公司 | Manufacturing method of bar material of hard alloy end mill for machining stainless steel |
| CN104372265A (en) * | 2014-10-23 | 2015-02-25 | 苏州莱特复合材料有限公司 | Powder metallurgy material for stainless steel and preparation method of powder metallurgy material |
| CN105057672A (en) * | 2015-07-27 | 2015-11-18 | 常州西利合金工具有限公司 | Machining method for cemented carbide tool |
| CN106222510A (en) * | 2016-08-19 | 2016-12-14 | 河源富马硬质合金股份有限公司 | A kind of hard alloy processing method |
| CN106392085A (en) * | 2016-11-24 | 2017-02-15 | 上海电机学院 | Ball grinding-diameter shrinkage reciprocating extruding method for circular curing of waste titanium chips |
| JP2017171964A (en) * | 2016-03-22 | 2017-09-28 | Ｂｂｓジャパン株式会社 | Magnesium alloy sinter billet and manufacturing method therefor |
| CN108165861A (en) * | 2018-02-08 | 2018-06-15 | 合肥工业大学 | A kind of method that nanometer WC-6Co composite powders to add Co powder prepare ultra-fine cemented carbide as raw material |
-
2018
- 2018-06-27 CN CN201810681212.9A patent/CN108746234A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB845988A (en) * | 1956-04-06 | 1960-08-24 | Plessey Co Ltd | Improvements in or relating to impact forging |
| SU1026962A1 (en) * | 1982-04-08 | 1983-07-07 | Московское Ордена Ленина, Ордена Октябрьской Революции И Ордена Трудового Красного Знамени Высшее Техническое Училище Им. Н.Э.Баумана | Method of producing sintered articles of iron-based material |
| CN1347135A (en) * | 2000-10-03 | 2002-05-01 | 日本碍子株式会社 | Seamless metal pipe and its production method |
| CN103658638A (en) * | 2013-12-12 | 2014-03-26 | 河南省大地合金股份有限公司 | Manufacturing method of bar material of hard alloy end mill for machining stainless steel |
| CN104372265A (en) * | 2014-10-23 | 2015-02-25 | 苏州莱特复合材料有限公司 | Powder metallurgy material for stainless steel and preparation method of powder metallurgy material |
| CN105057672A (en) * | 2015-07-27 | 2015-11-18 | 常州西利合金工具有限公司 | Machining method for cemented carbide tool |
| JP2017171964A (en) * | 2016-03-22 | 2017-09-28 | Ｂｂｓジャパン株式会社 | Magnesium alloy sinter billet and manufacturing method therefor |
| CN106222510A (en) * | 2016-08-19 | 2016-12-14 | 河源富马硬质合金股份有限公司 | A kind of hard alloy processing method |
| CN106392085A (en) * | 2016-11-24 | 2017-02-15 | 上海电机学院 | Ball grinding-diameter shrinkage reciprocating extruding method for circular curing of waste titanium chips |
| CN108165861A (en) * | 2018-02-08 | 2018-06-15 | 合肥工业大学 | A kind of method that nanometer WC-6Co composite powders to add Co powder prepare ultra-fine cemented carbide as raw material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109622970A (en) * | 2019-02-25 | 2019-04-16 | 唐竹胜 | Preparation method of iron-based blank and mechanical part |
| CN110000386A (en) * | 2019-05-23 | 2019-07-12 | 唐竹胜 | A method of balance weight iron or components blank are prepared using steel scrap thin material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103602922B (en) | A kind of powder metallurgical ferrous alloy and preparation method thereof | |
| CN104625978A (en) | Large-standard high-speed resin heavy duty grinding wheel for grinding steel billet | |
| CN107142388A (en) | A kind of preparation method of Ti 13Nb 13Zr alloys | |
| CN104759614A (en) | Belt pulley powder metallurgy formulation and process | |
| CN110273092A (en) | A kind of CoCrNi particle reinforced magnesium base compound material and preparation method thereof | |
| CN110744031B (en) | Metal ceramic wear-resistant material of three-dimensional network ceramic framework and preparation method thereof | |
| CN109128145A (en) | A kind of preparation method of diamond engineering thin-walled drill cutter head powdered metallurgical material and cutter head | |
| WO2012009925A1 (en) | Pollution-free reuse method for iron-based grinding scrap | |
| CN107571472B (en) | The wear-resisting manufacture of casing of organic-inorganic nano powder graded composite and its application | |
| CN107043261A (en) | A kind of Ti strengthens B4C/SiC complex phase ceramics | |
| CN108746234A (en) | A kind of production method of tubing string shape component of machine | |
| CN107573687A (en) | Composite coloured imitative porcelain mobile phone backboard of organic-inorganic nano powder and preparation method thereof | |
| CN100393452C (en) | Preparation method of laser sintered fast shaping material | |
| WO2015066952A1 (en) | High-performance powder metallurgy stainless steel and preparation method for same | |
| CN105855555B (en) | A kind of preparation method of iron cobalt magnetically soft alloy device | |
| CN110229989B (en) | Multi-element hard alloy and preparation method thereof | |
| CN107675032A (en) | A kind of anticorrosion aluminium material | |
| CN106834777A (en) | A kind of preparation method of low-expansion coefficient composition metal base ceramic die material | |
| CN104372237B (en) | High-compactness and the preparation method of high magnetic characteristics powder metallurgy sendust | |
| CN102911473A (en) | Preparation process of glass reinforced plastic electric meter box | |
| CN109622970A (en) | Preparation method of iron-based blank and mechanical part | |
| CN101488389B (en) | Production method for novel magnetic core | |
| CN111161934A (en) | Amorphous nano Fe-Ni magnetic powder core and preparation method and application thereof | |
| CN109680220A (en) | A kind of production technology and its mobile phone Kato of mobile phone Kato | |
| CN110803919A (en) | Ceramic powder for 3D printing and preparation method thereof |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181106 |
|
| RJ01 | Rejection of invention patent application after publication |