CN105803284A - Tooth roller for crusher - Google Patents
Tooth roller for crusher Download PDFInfo
- Publication number
- CN105803284A CN105803284A CN201610155824.5A CN201610155824A CN105803284A CN 105803284 A CN105803284 A CN 105803284A CN 201610155824 A CN201610155824 A CN 201610155824A CN 105803284 A CN105803284 A CN 105803284A
- Authority
- CN
- China
- Prior art keywords
- powder
- incubated
- afterwards
- parts
- temperature
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/04—Alloys based on tungsten or molybdenum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
-
- 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
-
- 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
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/08—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of toothed articles, e.g. gear wheels; of cam discs
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/18—High-melting or refractory metals or alloys based thereon
-
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/20—Carburising
-
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/24—Nitriding
-
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/34—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases more than one element being applied in more than one step
-
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/36—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases using ionised gases, e.g. ionitriding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2210/00—Codes relating to different types of disintegrating devices
- B02C2210/02—Features for generally used wear parts on beaters, knives, rollers, anvils, linings and the like
-
- 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
- B22F2003/241—Chemical after-treatment on the surface
-
- 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
- B22F2003/248—Thermal after-treatment
-
- 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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Food Science & Technology (AREA)
- Thermal Sciences (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Ceramic Products (AREA)
Abstract
The invention discloses a tooth roller for a crusher. Molybdenum powder, Ni powder, V powder, zirconium oxide, boron carbide, Ti powder, Si powder, Co powder, lanthanum nitride, lanthanum boride and chromium diboride are weighed, mixed and burnt. The tooth roller for the crusher uses the molybdenum powder, the Ni powder, the V powder, zirconium oxide, boron carbide, the Ti powder, the Si powder, the Co powder, lanthanum nitride, lanthanum boride and chromium diboride, and the raw material components are pressed and sintered to improve the product strength; and the manufacturing process is intensified through such procedures as powder mixing, pressing and sintering, annealing, quenching and tempering, so that the production cost is reduced.
Description
Technical field
The present invention relates to a kind of pulverizer discaling roll, belongs to pulverizer technical field.
Background technology
Wear-resisting and wearing technic is industrial equipment high-efficiency operation avoidable problem never, the extensive use of various high-performance abrasion-proof materials and technology is New Type Dry-process Cement Production, and various efficient energy-saving grinding new techniques are able to an important substance basis of large-scale promotion application.On modern cement producing line, different types of high-abrasive material is widely used in roll squeezer, grate-cooler, disintegrating machine, escorts for the operating of whole flow process continuous high-efficient.The performance of these high-abrasive materials, life-span are also directly connected to the normal of cement production enterprise and produce and economic benefit.
Summary of the invention
A kind of pulverizer discaling roll, it is characterised in that manufacture pulverizer with discaling roll material powder by (weightPart)；Molybdenum powder 120-130 part, Ni powder 8-9 part, V powder 3-4 part, zirconium oxide 2-3 part, boron carbide 2-3 part, Ti powder 1-2 part, Si powder 1-2 part, Co powder 0.7-0.8 part, nitrogenize lanthanum 0.5-0.6 part, lanthanum boride 0.3-0.4 part, two chromium boride 0.2-0.3 parts form,
It is first according to aforementioned proportion and weighs molybdenum powder, Ni powder, V powder, zirconium oxide, boron carbide, Ti powder, Si powder, Co powder, nitrogenize lanthanum, lanthanum boride, two chromium boride material powders also mix, and carry out ball-milling treatment, Ball-milling Time 60h according to ratio of grinding media to material 12:1, apply the high-purity argon gas of more than 99.9%, obtain compound after ball milling；
The mixed-powder of above-mentioned acquisition is dried, screening, compressing；Then carry out vacuum-sintering, 25 DEG C/min of heating rate carry out when being warming up to 1400 DEG C insulation 1 hour, after be cooled to 1320 DEG C, rate of temperature fall 38 DEG C/h, be incubated 2 hours, after be warming up to 1370 DEG C, heating rate 15 DEG C/h, being incubated 6 hours, rear air cooling is to room temperature
Afterwards blank is annealed, annealing temperature 920 DEG C, be incubated 5h, after be cooled to 740 DEG C, rate of temperature fall 50 DEG C/h, be incubated 2 hours, after be warming up to 840 DEG C, heating rate 45 DEG C/h, be incubated 2 hours, furnace cooling；It is machined out,
Afterwards to blank quench, the temperature of Quenching Treatment is 1010 DEG C, carries out temper afterwards:: by workpiece from room temperature heat to 720 DEG C, heating rate 75 DEG C/h, be incubated 5 hours, rear air cooling to room temperature,
Carry out plasma boronising afterwards, adopting boron fluoride+boron chloride gas as boron source, high voltage electric field making its boron ionizing thus carrying out boronising, first initial temperature is 600 DEG C, and the flow-rate ratio (volume ratio) of boron fluoride and boron chloride is 4:3, is incubated 2 hours, it is warming up to 640 DEG C afterwards, adjust the boron fluoride flow-rate ratio with boron chloride to 3:1, be incubated 1 hour, be cooled to 550 DEG C afterwards, adjust the flow-rate ratio of boron fluoride and boron chloride to 1:2, it is incubated 2 hours, natural cooling
Carrying out nitriding operation afterwards: temperature 800-810 DEG C of nitrogen gesture 0.4%, be incubated 3h, then raise nitrogen gesture to 0.7%, be incubated 3h, furnace temperature is down to 720 DEG C afterwards, and nitrogen potential control is 1.0%；Insulation 1h, air cooling is to room temperature afterwards；
Carrying out carburization step afterwards: temperature 710-720 DEG C of carbon potential 0.9%, be incubated 2h, then reduce carbon potential to 0.6%, be incubated 2h, furnace temperature rises to 850 DEG C afterwards, and carbon-potential control is 0.2%；Insulation 1h, air cooling is to room temperature afterwards；Obtain pulverizer discaling roll.
Described a kind of pulverizer discaling roll, manufactures gear material powder by (weightPart)；Nitriding operation: 800 DEG C of nitrogen gesture 0.4% of temperature, is incubated 3h, then raises nitrogen gesture to 0.7%, is incubated 3h, and furnace temperature is down to 720 DEG C afterwards, and nitrogen potential control is 1.0%；Insulation 1h, air cooling is to room temperature afterwards.
Described a kind of pulverizer discaling roll, manufactures gear material powder by (weightPart)；Nitriding operation: 810 DEG C of nitrogen gesture 0.4% of temperature, is incubated 3h, then raises nitrogen gesture to 0.7%, is incubated 3h, and furnace temperature is down to 720 DEG C afterwards, and nitrogen potential control is 1.0%；Insulation 1h, air cooling is to room temperature afterwards.
Described a kind of pulverizer discaling roll, manufactures gear material powder by (weightPart)；Nitriding operation: 805 DEG C of nitrogen gesture 0.4% of temperature, is incubated 3h, then raises nitrogen gesture to 0.7%, is incubated 3h, and furnace temperature is down to 720 DEG C afterwards, and nitrogen potential control is 1.0%；Insulation 1h, air cooling is to room temperature afterwards.
Described a kind of pulverizer discaling roll, manufactures pulverizer with discaling roll material powder by (weightPart)；Molybdenum powder 120 parts, 8 parts of Ni powder, 3 parts of V powder, zirconium oxide 2 parts, boron carbide 2 parts, 1 part of Ti powder, 1 part of Si powder, 0.7 part of Co powder, nitrogenize lanthanum 0.5 part, lanthanum boride 0.3 part, two chromium boride 0.2 part compositions.
Described a kind of pulverizer discaling roll, manufactures pulverizer with discaling roll material powder by (weightPart)；Molybdenum powder 130 parts, 9 parts of Ni powder, 4 parts of V powder, zirconium oxide 3 parts, boron carbide 3 parts, 2 parts of Ti powder, 2 parts of Si powder, 0.8 part of Co powder, nitrogenize lanthanum 0.6 part, lanthanum boride 0.4 part, two chromium boride 0.3 part compositions.
Described a kind of pulverizer discaling roll, manufactures pulverizer with discaling roll material powder by (weightPart)；Molybdenum powder 125 parts, 8.5 parts of Ni powder, 3.5 parts of V powder, zirconium oxide 2.5 parts, boron carbide 2.5 parts, 1.5 parts of Ti powder, 1.5 parts of Si powder, 0.75 part of Co powder, nitrogenize lanthanum 0.55 part, lanthanum boride 0.35 part, two chromium boride 0.25 part compositions.
Described a kind of pulverizer discaling roll, carries out carburization step afterwards: 710 DEG C of carbon potentials 0.9% of temperature, is incubated 2h, then reduces carbon potential to 0.6%, is incubated 2h, and furnace temperature rises to 850 DEG C afterwards, and carbon-potential control is 0.2%；Insulation 1h, air cooling is to room temperature afterwards.
Described a kind of pulverizer discaling roll, carries out carburization step afterwards: 720 DEG C of carbon potentials 0.9% of temperature, is incubated 2h, then reduces carbon potential to 0.6%, is incubated 2h, and furnace temperature rises to 850 DEG C afterwards, and carbon-potential control is 0.2%；Insulation 1h, air cooling is to room temperature afterwards.
Described a kind of pulverizer discaling roll, carries out carburization step afterwards: 715 DEG C of carbon potentials 0.9% of temperature, is incubated 2h, then reduces carbon potential to 0.6%, is incubated 2h, and furnace temperature rises to 850 DEG C afterwards, and carbon-potential control is 0.2%；Insulation 1h, air cooling is to room temperature afterwards.
A kind of pulverizer discaling roll manufacture method, it is characterised in that manufacture pulverizer with discaling roll material powder by (weightPart)；Molybdenum powder 120-130 part, Ni powder 8-9 part, V powder 3-4 part, zirconium oxide 2-3 part, boron carbide 2-3 part, Ti powder 1-2 part, Si powder 1-2 part, Co powder 0.7-0.8 part, nitrogenize lanthanum 0.5-0.6 part, lanthanum boride 0.3-0.4 part, two chromium boride 0.2-0.3 parts form,
It is first according to aforementioned proportion and weighs molybdenum powder, Ni powder, V powder, zirconium oxide, boron carbide, Ti powder, Si powder, Co powder, nitrogenize lanthanum, lanthanum boride, two chromium boride material powders also mix, and carry out ball-milling treatment, Ball-milling Time 60h according to ratio of grinding media to material 12:1, apply the high-purity argon gas of more than 99.9%, obtain compound after ball milling；
The mixed-powder of above-mentioned acquisition is dried, screening, compressing；Then carry out vacuum-sintering, 25 DEG C/min of heating rate carry out when being warming up to 1400 DEG C insulation 1 hour, after be cooled to 1320 DEG C, rate of temperature fall 38 DEG C/h, be incubated 2 hours, after be warming up to 1370 DEG C, heating rate 15 DEG C/h, being incubated 6 hours, rear air cooling is to room temperature
Afterwards blank is annealed, annealing temperature 920 DEG C, be incubated 5h, after be cooled to 740 DEG C, rate of temperature fall 50 DEG C/h, be incubated 2 hours, after be warming up to 840 DEG C, heating rate 45 DEG C/h, be incubated 2 hours, furnace cooling；It is machined out,
Afterwards to blank quench, the temperature of Quenching Treatment is 1010 DEG C, carries out temper afterwards:: by workpiece from room temperature heat to 720 DEG C, heating rate 75 DEG C/h, be incubated 5 hours, rear air cooling to room temperature,
Carry out plasma boronising afterwards, adopting boron fluoride+boron chloride gas as boron source, high voltage electric field making its boron ionizing thus carrying out boronising, first initial temperature is 600 DEG C, and the flow-rate ratio (volume ratio) of boron fluoride and boron chloride is 4:3, is incubated 2 hours, it is warming up to 640 DEG C afterwards, adjust the boron fluoride flow-rate ratio with boron chloride to 3:1, be incubated 1 hour, be cooled to 550 DEG C afterwards, adjust the flow-rate ratio of boron fluoride and boron chloride to 1:2, it is incubated 2 hours, natural cooling
Carrying out nitriding operation afterwards: the general 800-810 DEG C of nitrogen gesture 0.4% of temperature, be incubated 3h, then raise nitrogen gesture to 0.7%, be incubated 3h, furnace temperature is down to 720 DEG C afterwards, and nitrogen potential control is 1.0%；Insulation 1h, air cooling is to room temperature afterwards；
Carrying out carburization step afterwards: the general 710-720 DEG C of carbon potential 0.9% of temperature, be incubated 2h, then reduce carbon potential to 0.6%, be incubated 2h, furnace temperature rises to 850 DEG C afterwards, and carbon-potential control is 0.2%；Insulation 1h, air cooling is to room temperature afterwards；Obtain pulverizer discaling roll.
Foregoing invention content having the beneficial effects that relative to prior art: 1) pulverizer discaling roll of the present invention employs molybdenum powder, Ni powder, V powder, zirconium oxide, boron carbide, Ti powder, Si powder, Co powder, nitrogenize lanthanum, lanthanum boride, two chromium boride material powders, this material composition improves the intensity of product by compacting sintering；2) being mixed by powder, compacting sintering, annealing, quenching, the operation such as tempering makes manufacturing process intensive, reduces production cost；3) after sintering, stepped annelaing makes material microstructure homogenization, 4) plasma boronising and carburization step and nitriding operation improve the case hardness of workpiece and intensity and oxidative resistance.
Detailed description of the invention
In order to the technical characteristic of the present invention, purpose and effect are more clearly understood from, now describe the specific embodiment of the present invention in detail.
Embodiment 1
A kind of pulverizer discaling roll, it is characterised in that manufacture pulverizer with discaling roll material powder by (weightPart)；Molybdenum powder 120 parts, 8 parts of Ni powder, 3 parts of V powder, zirconium oxide 2 parts, boron carbide 2 parts, 1 part of Ti powder, 1 part of Si powder, 0.7 part of Co powder, nitrogenize lanthanum 0.5 part, lanthanum boride 0.3 part, two chromium boride 0.2 part compositions,
It is first according to aforementioned proportion and weighs molybdenum powder, Ni powder, V powder, zirconium oxide, boron carbide, Ti powder, Si powder, Co powder, nitrogenize lanthanum, lanthanum boride, two chromium boride material powders also mix, and carry out ball-milling treatment, Ball-milling Time 60h according to ratio of grinding media to material 12:1, apply the high-purity argon gas of more than 99.9%, obtain compound after ball milling；
The mixed-powder of above-mentioned acquisition is dried, screening, compressing；Then carry out vacuum-sintering, 25 DEG C/min of heating rate carry out when being warming up to 1400 DEG C insulation 1 hour, after be cooled to 1320 DEG C, rate of temperature fall 38 DEG C/h, be incubated 2 hours, after be warming up to 1370 DEG C, heating rate 15 DEG C/h, being incubated 6 hours, rear air cooling is to room temperature
Afterwards blank is annealed, annealing temperature 920 DEG C, be incubated 5h, after be cooled to 740 DEG C, rate of temperature fall 50 DEG C/h, be incubated 2 hours, after be warming up to 840 DEG C, heating rate 45 DEG C/h, be incubated 2 hours, furnace cooling；It is machined out,
Afterwards to blank quench, the temperature of Quenching Treatment is 1010 DEG C, carries out temper afterwards:: by workpiece from room temperature heat to 720 DEG C, heating rate 75 DEG C/h, be incubated 5 hours, rear air cooling to room temperature,
Carry out plasma boronising afterwards, adopting boron fluoride+boron chloride gas as boron source, high voltage electric field making its boron ionizing thus carrying out boronising, first initial temperature is 600 DEG C, and the flow-rate ratio (volume ratio) of boron fluoride and boron chloride is 4:3, is incubated 2 hours, it is warming up to 640 DEG C afterwards, adjust the boron fluoride flow-rate ratio with boron chloride to 3:1, be incubated 1 hour, be cooled to 550 DEG C afterwards, adjust the flow-rate ratio of boron fluoride and boron chloride to 1:2, it is incubated 2 hours, natural cooling
Carrying out nitriding operation afterwards: 800 DEG C of nitrogen gesture 0.4% of temperature, be incubated 3h, then raise nitrogen gesture to 0.7%, be incubated 3h, furnace temperature is down to 720 DEG C afterwards, and nitrogen potential control is 1.0%；Insulation 1h, air cooling is to room temperature afterwards；
Carrying out carburization step afterwards: 710 DEG C of carbon potentials 0.9% of temperature, be incubated 2h, then reduce carbon potential to 0.6%, be incubated 2h, furnace temperature rises to 850 DEG C afterwards, and carbon-potential control is 0.2%；Insulation 1h, air cooling is to room temperature afterwards；Obtain pulverizer discaling roll.
Embodiment 2
A kind of pulverizer discaling roll, it is characterised in that manufacture pulverizer with discaling roll material powder by (weightPart)；Molybdenum powder 130 parts, 9 parts of Ni powder, 4 parts of V powder, zirconium oxide 3 parts, boron carbide 3 parts, 2 parts of Ti powder, 2 parts of Si powder, 0.8 part of Co powder, nitrogenize lanthanum 0.6 part, lanthanum boride 0.4 part, two chromium boride 0.3 part compositions,
It is first according to aforementioned proportion and weighs molybdenum powder, Ni powder, V powder, zirconium oxide, boron carbide, Ti powder, Si powder, Co powder, nitrogenize lanthanum, lanthanum boride, two chromium boride material powders also mix, and carry out ball-milling treatment, Ball-milling Time 60h according to ratio of grinding media to material 12:1, apply the high-purity argon gas of more than 99.9%, obtain compound after ball milling；
The mixed-powder of above-mentioned acquisition is dried, screening, compressing；Then carry out vacuum-sintering, 25 DEG C/min of heating rate carry out when being warming up to 1400 DEG C insulation 1 hour, after be cooled to 1320 DEG C, rate of temperature fall 38 DEG C/h, be incubated 2 hours, after be warming up to 1370 DEG C, heating rate 15 DEG C/h, being incubated 6 hours, rear air cooling is to room temperature
Afterwards blank is annealed, annealing temperature 920 DEG C, be incubated 5h, after be cooled to 740 DEG C, rate of temperature fall 50 DEG C/h, be incubated 2 hours, after be warming up to 840 DEG C, heating rate 45 DEG C/h, be incubated 2 hours, furnace cooling；It is machined out,
Afterwards to blank quench, the temperature of Quenching Treatment is 1010 DEG C, carries out temper afterwards:: by workpiece from room temperature heat to 720 DEG C, heating rate 75 DEG C/h, be incubated 5 hours, rear air cooling to room temperature,
Carry out plasma boronising afterwards, adopting boron fluoride+boron chloride gas as boron source, high voltage electric field making its boron ionizing thus carrying out boronising, first initial temperature is 600 DEG C, and the flow-rate ratio (volume ratio) of boron fluoride and boron chloride is 4:3, is incubated 2 hours, it is warming up to 640 DEG C afterwards, adjust the boron fluoride flow-rate ratio with boron chloride to 3:1, be incubated 1 hour, be cooled to 550 DEG C afterwards, adjust the flow-rate ratio of boron fluoride and boron chloride to 1:2, it is incubated 2 hours, natural cooling
Carrying out nitriding operation afterwards: 810 DEG C of nitrogen gesture 0.4% of temperature, be incubated 3h, then raise nitrogen gesture to 0.7%, be incubated 3h, furnace temperature is down to 720 DEG C afterwards, and nitrogen potential control is 1.0%；Insulation 1h, air cooling is to room temperature afterwards；
Carrying out carburization step afterwards: 720 DEG C of carbon potentials 0.9% of temperature, be incubated 2h, then reduce carbon potential to 0.6%, be incubated 2h, furnace temperature rises to 850 DEG C afterwards, and carbon-potential control is 0.2%；Insulation 1h, air cooling is to room temperature afterwards；Obtain pulverizer discaling roll.
Embodiment 3
A kind of pulverizer discaling roll, it is characterised in that manufacture pulverizer with discaling roll material powder by (weightPart)；Molybdenum powder 125 parts, 8.5 parts of Ni powder, 3.5 parts of V powder, zirconium oxide 2.5 parts, boron carbide 2.5 parts, 1.5 parts of Ti powder, 1.5 parts of Si powder, 0.75 part of Co powder, nitrogenize lanthanum 0.55 part, lanthanum boride 0.35 part, two chromium boride 0.25 part compositions,
It is first according to aforementioned proportion and weighs molybdenum powder, Ni powder, V powder, zirconium oxide, boron carbide, Ti powder, Si powder, Co powder, nitrogenize lanthanum, lanthanum boride, two chromium boride material powders also mix, and carry out ball-milling treatment, Ball-milling Time 60h according to ratio of grinding media to material 12:1, apply the high-purity argon gas of more than 99.9%, obtain compound after ball milling；
The mixed-powder of above-mentioned acquisition is dried, screening, compressing；Then carry out vacuum-sintering, 25 DEG C/min of heating rate carry out when being warming up to 1400 DEG C insulation 1 hour, after be cooled to 1320 DEG C, rate of temperature fall 38 DEG C/h, be incubated 2 hours, after be warming up to 1370 DEG C, heating rate 15 DEG C/h, being incubated 6 hours, rear air cooling is to room temperature
Afterwards blank is annealed, annealing temperature 920 DEG C, be incubated 5h, after be cooled to 740 DEG C, rate of temperature fall 50 DEG C/h, be incubated 2 hours, after be warming up to 840 DEG C, heating rate 45 DEG C/h, be incubated 2 hours, furnace cooling；It is machined out,
Afterwards to blank quench, the temperature of Quenching Treatment is 1010 DEG C, carries out temper afterwards:: by workpiece from room temperature heat to 720 DEG C, heating rate 75 DEG C/h, be incubated 5 hours, rear air cooling to room temperature,
Carry out plasma boronising afterwards, adopting boron fluoride+boron chloride gas as boron source, high voltage electric field making its boron ionizing thus carrying out boronising, first initial temperature is 600 DEG C, and the flow-rate ratio (volume ratio) of boron fluoride and boron chloride is 4:3, is incubated 2 hours, it is warming up to 640 DEG C afterwards, adjust the boron fluoride flow-rate ratio with boron chloride to 3:1, be incubated 1 hour, be cooled to 550 DEG C afterwards, adjust the flow-rate ratio of boron fluoride and boron chloride to 1:2, it is incubated 2 hours, natural cooling
Carrying out nitriding operation afterwards: 805 DEG C of nitrogen gesture 0.4% of temperature, be incubated 3h, then raise nitrogen gesture to 0.7%, be incubated 3h, furnace temperature is down to 720 DEG C afterwards, and nitrogen potential control is 1.0%；Insulation 1h, air cooling is to room temperature afterwards；
Carrying out carburization step afterwards: 715 DEG C of carbon potentials 0.9% of temperature, be incubated 2h, then reduce carbon potential to 0.6%, be incubated 2h, furnace temperature rises to 850 DEG C afterwards, and carbon-potential control is 0.2%；Insulation 1h, air cooling is to room temperature afterwards；Obtain pulverizer discaling roll.
Embodiment 4
A kind of pulverizer discaling roll, it is characterised in that manufacture pulverizer with discaling roll material powder by (weightPart)；Molybdenum powder 123 parts, 8.3 parts of Ni powder, 3.4 parts of V powder, zirconium oxide 2.2 parts, boron carbide 2.1 parts, 1.4 parts of Ti powder, 1.3 parts of Si powder, 0.72 part of Co powder, nitrogenize lanthanum 0.51 part, lanthanum boride 0.31 part, two chromium boride 0.23 part compositions,
It is first according to aforementioned proportion and weighs molybdenum powder, Ni powder, V powder, zirconium oxide, boron carbide, Ti powder, Si powder, Co powder, nitrogenize lanthanum, lanthanum boride, two chromium boride material powders also mix, and carry out ball-milling treatment, Ball-milling Time 60h according to ratio of grinding media to material 12:1, apply the high-purity argon gas of more than 99.9%, obtain compound after ball milling；
The mixed-powder of above-mentioned acquisition is dried, screening, compressing；Then carry out vacuum-sintering, 25 DEG C/min of heating rate carry out when being warming up to 1400 DEG C insulation 1 hour, after be cooled to 1320 DEG C, rate of temperature fall 38 DEG C/h, be incubated 2 hours, after be warming up to 1370 DEG C, heating rate 15 DEG C/h, being incubated 6 hours, rear air cooling is to room temperature
Afterwards blank is annealed, annealing temperature 920 DEG C, be incubated 5h, after be cooled to 740 DEG C, rate of temperature fall 50 DEG C/h, be incubated 2 hours, after be warming up to 840 DEG C, heating rate 45 DEG C/h, be incubated 2 hours, furnace cooling；It is machined out,
Afterwards to blank quench, the temperature of Quenching Treatment is 1010 DEG C, carries out temper afterwards:: by workpiece from room temperature heat to 720 DEG C, heating rate 75 DEG C/h, be incubated 5 hours, rear air cooling to room temperature,
Carry out plasma boronising afterwards, adopting boron fluoride+boron chloride gas as boron source, high voltage electric field making its boron ionizing thus carrying out boronising, first initial temperature is 600 DEG C, and the flow-rate ratio (volume ratio) of boron fluoride and boron chloride is 4:3, is incubated 2 hours, it is warming up to 640 DEG C afterwards, adjust the boron fluoride flow-rate ratio with boron chloride to 3:1, be incubated 1 hour, be cooled to 550 DEG C afterwards, adjust the flow-rate ratio of boron fluoride and boron chloride to 1:2, it is incubated 2 hours, natural cooling
Carrying out nitriding operation afterwards: 802 DEG C of nitrogen gesture 0.4% of temperature, be incubated 3h, then raise nitrogen gesture to 0.7%, be incubated 3h, furnace temperature is down to 720 DEG C afterwards, and nitrogen potential control is 1.0%；Insulation 1h, air cooling is to room temperature afterwards；
Carrying out carburization step afterwards: 711 DEG C of carbon potentials 0.9% of temperature, be incubated 2h, then reduce carbon potential to 0.6%, be incubated 2h, furnace temperature rises to 850 DEG C afterwards, and carbon-potential control is 0.2%；Insulation 1h, air cooling is to room temperature afterwards；Obtain pulverizer discaling roll.
Embodiment 5
A kind of pulverizer discaling roll, it is characterised in that manufacture pulverizer with discaling roll material powder by (weightPart)；Molybdenum powder 127 parts, 8.8 parts of Ni powder, 3.7 parts of V powder, zirconium oxide 2.6 parts, boron carbide 2.6 parts, 1.8 parts of Ti powder, 1.9 parts of Si powder, 0.77 part of Co powder, nitrogenize lanthanum 0.57 part, lanthanum boride 0.38 part, two chromium boride 0.29 part compositions,
It is first according to aforementioned proportion and weighs molybdenum powder, Ni powder, V powder, zirconium oxide, boron carbide, Ti powder, Si powder, Co powder, nitrogenize lanthanum, lanthanum boride, two chromium boride material powders also mix, and carry out ball-milling treatment, Ball-milling Time 60h according to ratio of grinding media to material 12:1, apply the high-purity argon gas of more than 99.9%, obtain compound after ball milling；
The mixed-powder of above-mentioned acquisition is dried, screening, compressing；Then carry out vacuum-sintering, 25 DEG C/min of heating rate carry out when being warming up to 1400 DEG C insulation 1 hour, after be cooled to 1320 DEG C, rate of temperature fall 38 DEG C/h, be incubated 2 hours, after be warming up to 1370 DEG C, heating rate 15 DEG C/h, being incubated 6 hours, rear air cooling is to room temperature
Afterwards blank is annealed, annealing temperature 920 DEG C, be incubated 5h, after be cooled to 740 DEG C, rate of temperature fall 50 DEG C/h, be incubated 2 hours, after be warming up to 840 DEG C, heating rate 45 DEG C/h, be incubated 2 hours, furnace cooling；It is machined out,
Afterwards to blank quench, the temperature of Quenching Treatment is 1010 DEG C, carries out temper afterwards:: by workpiece from room temperature heat to 720 DEG C, heating rate 75 DEG C/h, be incubated 5 hours, rear air cooling to room temperature,
Carry out plasma boronising afterwards, adopting boron fluoride+boron chloride gas as boron source, high voltage electric field making its boron ionizing thus carrying out boronising, first initial temperature is 600 DEG C, and the flow-rate ratio (volume ratio) of boron fluoride and boron chloride is 4:3, is incubated 2 hours, it is warming up to 640 DEG C afterwards, adjust the boron fluoride flow-rate ratio with boron chloride to 3:1, be incubated 1 hour, be cooled to 550 DEG C afterwards, adjust the flow-rate ratio of boron fluoride and boron chloride to 1:2, it is incubated 2 hours, natural cooling
Carrying out nitriding operation afterwards: 806 DEG C of nitrogen gesture 0.4% of temperature, be incubated 3h, then raise nitrogen gesture to 0.7%, be incubated 3h, furnace temperature is down to 720 DEG C afterwards, and nitrogen potential control is 1.0%；Insulation 1h, air cooling is to room temperature afterwards；
Carrying out carburization step afterwards: 717 DEG C of carbon potentials 0.9% of temperature, be incubated 2h, then reduce carbon potential to 0.6%, be incubated 2h, furnace temperature rises to 850 DEG C afterwards, and carbon-potential control is 0.2%；Insulation 1h, air cooling is to room temperature afterwards；Obtain pulverizer discaling roll.
Claims (10)
1. a pulverizer discaling roll, it is characterised in that manufacture pulverizer with discaling roll material powder by (weightPart)；Molybdenum powder 120-130 part, Ni powder 8-9 part, V powder 3-4 part, zirconium oxide 2-3 part, boron carbide 2-3 part, Ti powder 1-2 part, Si powder 1-2 part, Co powder 0.7-0.8 part, nitrogenize lanthanum 0.5-0.6 part, lanthanum boride 0.3-0.4 part, two chromium boride 0.2-0.3 parts form,
It is first according to aforementioned proportion and weighs molybdenum powder, Ni powder, V powder, zirconium oxide, boron carbide, Ti powder, Si powder, Co powder, nitrogenize lanthanum, lanthanum boride, two chromium boride material powders also mix, and carry out ball-milling treatment, Ball-milling Time 60h according to ratio of grinding media to material 12:1, apply the high-purity argon gas of more than 99.9%, obtain compound after ball milling；
The mixed-powder of above-mentioned acquisition is dried, screening, compressing；Then carry out vacuum-sintering, 25 DEG C/min of heating rate carry out when being warming up to 1400 DEG C insulation 1 hour, after be cooled to 1320 DEG C, rate of temperature fall 38 DEG C/h, be incubated 2 hours, after be warming up to 1370 DEG C, heating rate 15 DEG C/h, being incubated 6 hours, rear air cooling is to room temperature
Afterwards blank is annealed, annealing temperature 920 DEG C, be incubated 5h, after be cooled to 740 DEG C, rate of temperature fall 50 DEG C/h, be incubated 2 hours, after be warming up to 840 DEG C, heating rate 45 DEG C/h, be incubated 2 hours, furnace cooling；It is machined out,
Afterwards to blank quench, the temperature of Quenching Treatment is 1010 DEG C, carries out temper afterwards:: by workpiece from room temperature heat to 720 DEG C, heating rate 75 DEG C/h, be incubated 5 hours, rear air cooling to room temperature,
Carry out plasma boronising afterwards, adopting boron fluoride+boron chloride gas as boron source, high voltage electric field making its boron ionizing thus carrying out boronising, first initial temperature is 600 DEG C, and the flow-rate ratio (volume ratio) of boron fluoride and boron chloride is 4:3, is incubated 2 hours, it is warming up to 640 DEG C afterwards, adjust the boron fluoride flow-rate ratio with boron chloride to 3:1, be incubated 1 hour, be cooled to 550 DEG C afterwards, adjust the flow-rate ratio of boron fluoride and boron chloride to 1:2, it is incubated 2 hours, natural cooling
Carrying out nitriding operation afterwards: the general 800-810 DEG C of nitrogen gesture 0.4% of temperature, be incubated 3h, then raise nitrogen gesture to 0.7%, be incubated 3h, furnace temperature is down to 720 DEG C afterwards, and nitrogen potential control is 1.0%；Insulation 1h, air cooling is to room temperature afterwards；
Carrying out carburization step afterwards: the general 710-720 DEG C of carbon potential 0.9% of temperature, be incubated 2h, then reduce carbon potential to 0.6%, be incubated 2h, furnace temperature rises to 850 DEG C afterwards, and carbon-potential control is 0.2%；Insulation 1h, air cooling is to room temperature afterwards；Obtain pulverizer discaling roll.
2. a kind of pulverizer discaling roll as claimed in claim 1, manufactures gear material powder by (weightPart)；Nitriding operation: 800 DEG C of nitrogen gesture 0.4% of temperature, is incubated 3h, then raises nitrogen gesture to 0.7%, is incubated 3h, and furnace temperature is down to 720 DEG C afterwards, and nitrogen potential control is 1.0%；Insulation 1h, air cooling is to room temperature afterwards.
3. a kind of pulverizer discaling roll as claimed in claim 1, manufactures gear material powder by (weightPart)；Nitriding operation: 810 DEG C of nitrogen gesture 0.4% of temperature, is incubated 3h, then raises nitrogen gesture to 0.7%, is incubated 3h, and furnace temperature is down to 720 DEG C afterwards, and nitrogen potential control is 1.0%；Insulation 1h, air cooling is to room temperature afterwards.
4. a kind of pulverizer discaling roll as claimed in claim 1, manufactures gear material powder by (weightPart)；Nitriding operation: 805 DEG C of nitrogen gesture 0.4% of temperature, is incubated 3h, then raises nitrogen gesture to 0.7%, is incubated 3h, and furnace temperature is down to 720 DEG C afterwards, and nitrogen potential control is 1.0%；Insulation 1h, air cooling is to room temperature afterwards.
5. a kind of pulverizer discaling roll as claimed in claim 1, manufactures pulverizer with discaling roll material powder by (weightPart)；Molybdenum powder 120 parts, 8 parts of Ni powder, 3 parts of V powder, zirconium oxide 2 parts, boron carbide 2 parts, 1 part of Ti powder, 1 part of Si powder, 0.7 part of Co powder, nitrogenize lanthanum 0.5 part, lanthanum boride 0.3 part, two chromium boride 0.2 part compositions.
6. a kind of pulverizer discaling roll as claimed in claim 1, manufactures pulverizer with discaling roll material powder by (weightPart)；Molybdenum powder 130 parts, 9 parts of Ni powder, 4 parts of V powder, zirconium oxide 3 parts, boron carbide 3 parts, 2 parts of Ti powder, 2 parts of Si powder, 0.8 part of Co powder, nitrogenize lanthanum 0.6 part, lanthanum boride 0.4 part, two chromium boride 0.3 part compositions.
7. a kind of pulverizer discaling roll as claimed in claim 1, manufactures pulverizer with discaling roll material powder by (weightPart)；Molybdenum powder 125 parts, 8.5 parts of Ni powder, 3.5 parts of V powder, zirconium oxide 2.5 parts, boron carbide 2.5 parts, 1.5 parts of Ti powder, 1.5 parts of Si powder, 0.75 part of Co powder, nitrogenize lanthanum 0.55 part, lanthanum boride 0.35 part, two chromium boride 0.25 part compositions.
8. a kind of pulverizer discaling roll as claimed in claim 1, carries out carburization step afterwards: 710 DEG C of carbon potentials 0.9% of temperature, is incubated 2h, then reduces carbon potential to 0.6%, is incubated 2h, and furnace temperature rises to 850 DEG C afterwards, and carbon-potential control is 0.2%；Insulation 1h, air cooling is to room temperature afterwards.
9. a kind of pulverizer discaling roll as claimed in claim 1, carries out carburization step afterwards: 720 DEG C of carbon potentials 0.9% of temperature, is incubated 2h, then reduces carbon potential to 0.6%, is incubated 2h, and furnace temperature rises to 850 DEG C afterwards, and carbon-potential control is 0.2%；Insulation 1h, air cooling is to room temperature afterwards.
10. a kind of pulverizer discaling roll as claimed in claim 1, carries out carburization step afterwards: 715 DEG C of carbon potentials 0.9% of temperature, is incubated 2h, then reduces carbon potential to 0.6%, is incubated 2h, and furnace temperature rises to 850 DEG C afterwards, and carbon-potential control is 0.2%；Insulation 1h, air cooling is to room temperature afterwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610155824.5A CN105803284A (en) | 2016-03-20 | 2016-03-20 | Tooth roller for crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610155824.5A CN105803284A (en) | 2016-03-20 | 2016-03-20 | Tooth roller for crusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105803284A true CN105803284A (en) | 2016-07-27 |
Family
ID=56453316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610155824.5A Pending CN105803284A (en) | 2016-03-20 | 2016-03-20 | Tooth roller for crusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105803284A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102308112A (en) * | 2009-02-09 | 2012-01-04 | 戴姆勒股份公司 | Method for producing a brake disc |
| CN102337469A (en) * | 2011-09-13 | 2012-02-01 | 江苏联兴成套设备制造有限公司 | Novel shaft furnace tooth roller and manufacture process thereof |
| CN102888580A (en) * | 2011-07-19 | 2013-01-23 | 栾清杨 | Heat treatment technology of hoisting machinery gear |
| CN102935394A (en) * | 2012-11-06 | 2013-02-20 | 渠县金城合金铸业有限公司 | Abrasion-resistant tooth roller shell of roll crusher |
| CN103540852A (en) * | 2013-10-29 | 2014-01-29 | 洛阳金合耐磨材料有限公司 | Gear roller for aviation fuel refining equipment and preparation process of gear roller |
| CN103602944A (en) * | 2013-11-18 | 2014-02-26 | 祁标 | Thermal treatment furnace and thermal treatment technology thereof for super-huge type multifunctional natural gas energy-saving part |
| CN103643197A (en) * | 2013-11-26 | 2014-03-19 | 常熟市东风齿轮厂 | Thermal processing technology of gears for hoisting machinery |
-
2016
- 2016-03-20 CN CN201610155824.5A patent/CN105803284A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102308112A (en) * | 2009-02-09 | 2012-01-04 | 戴姆勒股份公司 | Method for producing a brake disc |
| CN102888580A (en) * | 2011-07-19 | 2013-01-23 | 栾清杨 | Heat treatment technology of hoisting machinery gear |
| CN102337469A (en) * | 2011-09-13 | 2012-02-01 | 江苏联兴成套设备制造有限公司 | Novel shaft furnace tooth roller and manufacture process thereof |
| CN102935394A (en) * | 2012-11-06 | 2013-02-20 | 渠县金城合金铸业有限公司 | Abrasion-resistant tooth roller shell of roll crusher |
| CN103540852A (en) * | 2013-10-29 | 2014-01-29 | 洛阳金合耐磨材料有限公司 | Gear roller for aviation fuel refining equipment and preparation process of gear roller |
| CN103602944A (en) * | 2013-11-18 | 2014-02-26 | 祁标 | Thermal treatment furnace and thermal treatment technology thereof for super-huge type multifunctional natural gas energy-saving part |
| CN103643197A (en) * | 2013-11-26 | 2014-03-19 | 常熟市东风齿轮厂 | Thermal processing technology of gears for hoisting machinery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103667873B (en) | P/m high speed steel and preparation method thereof | |
| CN102274969B (en) | Preparation method of molybdenum alloy electrode material doped with nano rare earth oxides | |
| CN102644015A (en) | Production method for vanadium nitride ferroalloy | |
| CN109234599A (en) | A kind of High Performance W alloy bar and preparation method thereof | |
| CN103100720A (en) | Preparation method for high-purity low-gas chromium powder | |
| CN108892141A (en) | A kind of high-purity, ultrafine tungsten carbide preparation method | |
| CN102965590A (en) | Modified hard alloy and preparation thereof | |
| CN109576546A (en) | A kind of preparation method of the high-strength tenacity without magnetic Ti (C, N) based ceramic metal | |
| CN101397613B (en) | Method for preparing molybdenum-silicium-boron alloy | |
| CN107760898A (en) | Preparation method of copper-based composite material | |
| CN105063397B (en) | A kind of preparation method of Cu-base composites | |
| CN107641725A (en) | A kind of ferrosilite based ceramic metal and preparation method thereof | |
| CN103537674A (en) | Powder metallurgy spring steel material and manufacturing method thereof | |
| CN103303880A (en) | Production process for preparing high-nitrogen vanadium nitride by using vacuum furnace method | |
| CN106868372B (en) | A kind of preparation method of MoFeB based metal ceramic coatings | |
| CN105755326A (en) | Power cable fixing head | |
| CN104495845B (en) | A kind of pure Fe3the preparation technology of C block | |
| CN107043885A (en) | A kind of manufacture method of immediate action valve valve element | |
| CN105803284A (en) | Tooth roller for crusher | |
| CN101353735B (en) | Method for preparing composite nanoparticle strongly toughened sintering molybdenum material | |
| CN110229997A (en) | A kind of plastic steel plate for die and its processing method | |
| CN102392149B (en) | Method for microwave sintering preparation of nano-metric rare earth modified steel-bonded hard alloy | |
| CN107904410A (en) | A kind of compound degasser prepares the production method of high temperature alloy and the special high-purity metal chromium of target | |
| CN105621378A (en) | Preparation method for TiN (1-x) Cx daltonide powder | |
| CN106756138B (en) | A kind of method of microwave heating production ferrochrome |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160727 |
|
| WD01 | Invention patent application deemed withdrawn after publication |