CN105970106A - Novel powder metallurgy transmission gear - Google Patents

Novel powder metallurgy transmission gear Download PDF

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Publication number
CN105970106A
CN105970106A CN201610598668.XA CN201610598668A CN105970106A CN 105970106 A CN105970106 A CN 105970106A CN 201610598668 A CN201610598668 A CN 201610598668A CN 105970106 A CN105970106 A CN 105970106A
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powder
travelling gear
parts
novel
powder metallurgy
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黄宇
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    • 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
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
    • 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/02—Compacting only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/1017—Multiple heating or additional steps
    • 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
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/32—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for gear wheels, worm wheels, or the like
    • 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
    • C22C38/06—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
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • 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
    • C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
    • 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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
    • C22C47/14—Making alloys containing metallic or non-metallic fibres or filaments by powder metallurgy, i.e. by processing mixtures of metal powder and fibres or filaments
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
    • C22C49/02—Alloys containing metallic or non-metallic fibres or filaments characterised by the matrix material
    • C22C49/08—Iron group metals
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
    • C22C49/14—Alloys containing metallic or non-metallic fibres or filaments characterised by the fibres or filaments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/02—Compacting only
    • B22F2003/023—Lubricant mixed with the metal powder
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Abstract

The invention discloses a novel powder metallurgy transmission gear. The novel powder metallurgy transmission gear is prepared from water-atomized iron powder, copper powder, molybdenum powder, vanadium powder, nickel powder, yttrium powder, aluminum powder, magnesium powder, cobalt powder, lead powder, steel slag powder, cupola slag powder, iron alloy slag powder, modified tree ash powder, graphite powder, China wood oil-based alkyd resin, dimethyl silicone oil, ethylcellulose, zinc stearate, polyethylene glycol, ethylene bis stearamide, fatty acid, carbon fibers, glass fibers, boron nitride, epoxypropoxy trimethoxypropylsilane, silicon dioxide, manganese sulfide, acrylate, an inhibitor, a bonder, a reinforcer, a cutting agent, a lubricant, a coupling agent and a dispersant. Through the specific ingredient proportion, the novel powder metallurgy transmission gear is uniform in overall density, high in compactness, large in elongation and section shrinkage rate, good in wear resistance, strength and hardness, high in material utilization rate and suitable for large-batch rapid production of high-performance gears.

Description

A kind of Novel powder metallurgy travelling gear
[technical field]
The invention belongs to powder metallurgical technology, be specifically related to a kind of Novel powder metallurgy travelling gear.
[background technology]
Gear be dependent on that the engagement of tooth is reliable and noiseless transmit the colyliform machine components of torque, gear by with other dentation machine components transmission, can realize changing rotating speed and moment of torsion, change the direction of motion and change the functions such as forms of motion.Gear drive at present has become the most widely used kind of drive.
PM technique, it is possible to the shape production requirement high dimensional accuracy the most close with article shape, the parts of complicated shape, it is possible to reduce cutting cost significantly.Especially in gear manufacture field, it is a kind of efficient, precision, flexibly metal working process that powder metallurgic method manufactures gear, is suitable to high-volume low-cost production high intensity, the gear of high tolerance.Greatly reduce tradition steel and machine quality, the deficiency of poor performance caused.
But, existing powdered metal parts, owing to formula is the most perfect, batch mixing is uneven, cause stock utilization low, the green compact being pressed into uneven, the global density by the part of heat treatment gained is uneven, and consistency is low, elongation percentage and the contraction percentage of area are little, and wearability, intensity and hardness are poor.
[summary of the invention]
The present invention provides a kind of Novel powder metallurgy travelling gear, and uneven to solve existing Novel powder metallurgy travelling gear global density, consistency is low, elongation percentage and the contraction percentage of area are little, the problems such as wearability, intensity and hardness are poor, and stock utilization is low, and preparation cost is high.The Novel powder metallurgy travelling gear of the present invention, by specific composition proportion so that Novel powder metallurgy travelling gear global density is uniform, consistency is high, and elongation percentage and the contraction percentage of area are big, and wearability, intensity and hardness are good, stock utilization is high, is suitable to high-volume and quickly produces High-performance gear.
For solve above technical problem, the present invention by the following technical solutions:
nullA kind of Novel powder metallurgy travelling gear，In units of weight，It is made up of following raw material: water-atomized iron powder 286-846 part、Copper powder 2-6 part、Molybdenum powder 2-5 part、Vanadium powder 3-5 part、Nikel powder 1-3 part、Yttrium powder 2-3 part、Aluminium powder 2-3 part、Magnesium powder 1-2 part、Cobalt powder 1-1.5 part、Hydrocerussitum (Ceruse) 1-1.8 part、Steel-making slag powder 1.5-2.5 part、Cupola furnace ground-slag 1-2 part、Ferroalloy ground-slag 1-2 part、Modified tree ash powder 0.8-1.2 part、Graphite powder 0.6-1.2 part、Oleum Verniciae fordii based alkyd 0.6-1 part、Dimethicone 0.4-0.9 part、Ethyl cellulose 0.6-0.8 part、Zinc stearate 0.3-1 part、Polyethylene Glycol 0.4-0.8 part、Ethylene bis stearic acid amide 0.2-0.4 part、Fatty acid 0.5-0.8 part、Carbon fibre 0.4-0.7 part、Glass fibre 0.3-0.5 part、Boron nitride 0.2-0.3 part、Glycidoxy-propyltrimethoxy silane 0.1-0.2 part、Silicon dioxide 0.05-0.1 part、Manganese monosulfide. 0.03-0.05 part、Acrylate 0.01-0.03 part、Inhibitor 0.02-0.04 part、Binding agent 0.06-0.08 part、Hardening agent 0.04-0.08 part、Cutting agent 0.08-0.12 part、Lubricant 0.12-0.15 part、Coupling agent 0.1-0.14 part、Dispersant 0.1-0.12 part；
In described powder stock, the particle diameter of various metal dusts is 200-400 mesh；
Described glycidoxy-propyltrimethoxy silane is viscosifier；
Described silicon dioxide is antiwear additive；
Described Manganese monosulfide. is processing aid；
Described acrylate is regulator；
Described inhibitor, in units of weight portion, is made up of following raw material: tungsten carbide 12-16 part, niobium carbide 10-14 part, ramet 10-12 part, tungsten nitride 8-10 part, titanium carbide 10-15 part, molybdenum sulfide 6-8 part, cerium fluoride 5-9 part, carbon 8-15 part；
Described binding agent, in units of weight portion, is made up of following raw material: nickel aluminide 9-15 part, Titanium Trialuminum 8-14 part, aluminium nitride 6-12 part, zinc 5-10 part；
The preparation method of described Novel powder metallurgy travelling gear, comprises the following steps:
S1: the iron powder that makes water fogging, copper powder, molybdenum powder, vanadium powder, nikel powder, yttrium powder, aluminium powder, magnesium powder, cobalt powder, Hydrocerussitum (Ceruse), graphite powder, Polyethylene Glycol, fatty acid, carbon fibre, glass fibre join in blender, under rotating speed is 100-200r/min, stirs 10-14min, prepares mixture A；
S2: by stirring 12-16min under rotating speed is 200-300r/min in Oleum Verniciae fordii based alkyd, ethyl cellulose, zinc stearate, ethylene bis stearic acid amide, boron nitride addition blender, prepare mixture B；
S3: the mixture A that step S1 prepared, step S2 prepares mixture B, steel-making slag powder, cupola furnace ground-slag, ferroalloy ground-slag, modified tree ash powder, dimethicone, glycidoxy-propyltrimethoxy silane, silicon dioxide, Manganese monosulfide., esters of acrylic acid regulator, inhibitor, binding agent, hardening agent, cutting agent, lubricant, coupling agent, dispersant join in blender, it is 200-280 DEG C in temperature, rotating speed is stirring 2-4h under 300-400r/min, prepares mixture C；
S4: the mixture C that step S3 prepares is put into press, is sent into described mixture C in the product mold preset by press, and is pressed into green part under pressure is 560-620MPa；
S5: the green part that step S4 prepares is placed in sintering furnace; in the protective atmosphere of hydrogen and nitrogen mixed gas, first at 680-700 DEG C, presintering 45-50min; wherein hydrogen is 1.8-2.2:97.8-98.2 with the volume ratio of nitrogen, is then sintered by following liter of mild temperature:
1) with heating rate 18-22 DEG C/min, it is warming up to 900-940 DEG C from 680-700 DEG C, and is incubated 8-12 min；
2) with heating rate 23-27 DEG C/min, it is warming up to 1050-1080 DEG C from 900-940 DEG C, and is incubated 14-16min；
3) with heating rate 12-16 DEG C/min, it is warming up to 1180-1200 DEG C from 1050-1080 DEG C, and sinters 145-150min at this temperature, prepare workpiece；
S6: the workpiece that step S5 prepares is quenched, hardening heat is 810-830 DEG C, cool time is 40-50min, then it is warming up to 920-930 DEG C with heating rate 8-12 DEG C/min, insulation 70-80min, then be tempered, temperature is 220-230 DEG C, tempering insulation time is 80-85min, prepares the Novel powder metallurgy travelling gear after lonneal；
S7: the Novel powder metallurgy travelling gear after the lonneal prepare step S6 is in carburizer, 820-860 DEG C it is heated in the carburizing medium of gaseous state, insulation 5.5-6h, it is then cooled to 125-128 DEG C, insulation 6-7h, followed by being cooled to room temperature, prepare the Novel powder metallurgy travelling gear after carburizing；
S8: the Novel powder metallurgy travelling gear after the carburizing prepare step S7 is sent in steam oven, carry out steam process, vapor (steam) temperature is 720-740 DEG C, insulation 2.5-2.8h, then at 170-185 DEG C, it is incubated 3.5-4h, finally naturally cool to room temperature, prepare Novel powder metallurgy travelling gear product.
Further, described modified tree ash powder is prepared by the following method and forms: by tree ash first with the soak with sulphuric acid 20-25min of 28%-32%, then neutralize with sodium hydroxide solution, wash miscellaneous again with deionized water, mix with NDZ-311 titanate coupling agent again, the 1.2%-1.8% that consumption is tree ash weight of described NDZ-311 titanate coupling agent, add in high speed mixer with Sprayable, discharging after stirring 16-18min, dry, pulverized 500-600 mesh sieve, prepare modified tree ash powder.
Further, described hardening agent is 701 powder hardening agents.
Further, described cutting agent is in units of weight, it is made up of following raw material: cutting oil 12-14 part, tricresyl phosphate propyl ester 8-10 part, dinonylnaphthalene sulfonic acid calcium 4-6 part, 2,6 ditertiary butyl p cresol 5-9 part, dodecenylsuccinic acid 5-7 part, triethanolamine borate 8-10 part, polyacrylamide 6-10 part, dodecylbenzene sodium sulfonate 7-9 part, benzoic acid 5-8 part, oleamide 3-7 part, tetrasodium ethylenediamine tetraacetate 2-6 part, amino carboxylic acid quasi-chelate compound 1-2 part, Polyethylene Glycol 7-13 part.
Further, described lubricant, in units of weight, it is made up of following raw material: polyvinyl isobutyl ether 18-38 part, chlorinated paraffin 6-12 part, magnesium oxide particle 4-8 part, zinc stearate 6-19 part, carboxylic acid amide 8-12 part, acetate butyl 12-14 part, boric acid 6-10 part, N-Methyl pyrrolidone 7-10 part, dimethylformamide 6-9 part.
Further, described coupling agent is epoxy silane class coupling agent.
Further, described dispersant is hexenyl bis-stearamides.
The method have the advantages that
(1) the Novel powder metallurgy travelling gear that the present invention prepares has good combination property, and wherein percentage elongation has reached more than 17.92%, and the contraction percentage of area has reached more than 51.23%, and tensile strength has reached 828.89MPa Above, yield strength has reached more than 542.96MPa, and hardness has reached 109.48HRC Above, stock utilization has reached more than 92.06%, and consistency has reached more than 91.58%；
(2) the Novel powder metallurgy travelling gear of the present invention, use steel-making slag powder, cupola furnace ground-slag, ferroalloy ground-slag, tree ash powder as the specific components of Novel powder metallurgy travelling gear, recycling garbage, effectively reduces cost；
(3) the Novel powder metallurgy travelling gear of the present invention, by specific composition proportion, make Novel powder metallurgy travelling gear global density uniform, consistency is high, elongation percentage and the contraction percentage of area are big, wearability, intensity and hardness are good, and stock utilization is high, are suitable to high-volume and quickly produce High-performance gear.
[detailed description of the invention]
For ease of being more fully understood that the present invention, being illustrated by following example, these embodiments belong to protection scope of the present invention, but are not intended to protection scope of the present invention.
nullIn an embodiment，Described Novel powder metallurgy travelling gear，In units of weight，It is made up of following raw material: water-atomized iron powder 286-846 part、Copper powder 2-6 part、Molybdenum powder 2-5 part、Vanadium powder 3-5 part、Nikel powder 1-3 part、Yttrium powder 2-3 part、Aluminium powder 2-3 part、Magnesium powder 1-2 part、Cobalt powder 1-1.5 part、Hydrocerussitum (Ceruse) 1-1.8 part、Steel-making slag powder 1.5-2.5 part、Cupola furnace ground-slag 1-2 part、Ferroalloy ground-slag 1-2 part、Modified tree ash powder 0.8-1.2 part、Graphite powder 0.6-1.2 part、Oleum Verniciae fordii based alkyd 0.6-1 part、Dimethicone 0.4-0.9 part、Ethyl cellulose 0.6-0.8 part、Zinc stearate 0.3-1 part、Polyethylene Glycol 0.4-0.8 part、Ethylene bis stearic acid amide 0.2-0.4 part、Fatty acid 0.5-0.8 part、Carbon fibre 0.4-0.7 part、Glass fibre 0.3-0.5 part、Boron nitride 0.2-0.3 part、Glycidoxy-propyltrimethoxy silane 0.1-0.2 part、Silicon dioxide 0.05-0.1 part、Manganese monosulfide. 0.03-0.05 part、Acrylate 0.01-0.03 part、Inhibitor 0.02-0.04 part、Binding agent 0.06-0.08 part、Hardening agent 0.04-0.08 part、Cutting agent 0.08-0.12 part、Lubricant 0.12-0.15 part、Coupling agent 0.1-0.14 part、Dispersant 0.1-0.12 part；
In described powder stock, the particle diameter of various metal dusts is 200-400 mesh；
Described modified tree ash powder is prepared by the following method and forms: by tree ash first with the soak with sulphuric acid 20-25min of 28%-32%, then neutralize with sodium hydroxide solution, wash miscellaneous again with deionized water, mix with NDZ-311 titanate coupling agent again, the 1.2%-1.8% that consumption is tree ash weight of described NDZ-311 titanate coupling agent, adds in high speed mixer with Sprayable, discharging after stirring 16-18min, dry, pulverized 500-600 mesh sieve, prepare modified tree ash powder；
Described glycidoxy-propyltrimethoxy silane is viscosifier；
Described silicon dioxide is antiwear additive；
Described Manganese monosulfide. is processing aid；
Described acrylate is regulator；
Described inhibitor, in units of weight portion, is made up of following raw material: tungsten carbide 12-16 part, niobium carbide 10-14 part, ramet 10-12 part, tungsten nitride 8-10 part, titanium carbide 10-15 part, molybdenum sulfide 6-8 part, cerium fluoride 5-9 part, carbon 8-15 part；
Described binding agent, in units of weight portion, is made up of following raw material: nickel aluminide 9-15 part, Titanium Trialuminum 8-14 part, aluminium nitride 6-12 part, zinc 5-10 part；
Described hardening agent is 701 powder hardening agents；
Described cutting agent is in units of weight, it is made up of following raw material: cutting oil 12-14 part, tricresyl phosphate propyl ester 8-10 part, dinonylnaphthalene sulfonic acid calcium 4-6 part, 2,6 ditertiary butyl p cresol 5-9 part, dodecenylsuccinic acid 5-7 part, triethanolamine borate 8-10 part, polyacrylamide 6-10 part, dodecylbenzene sodium sulfonate 7-9 part, benzoic acid 5-8 part, oleamide 3-7 part, tetrasodium ethylenediamine tetraacetate 2-6 part, amino carboxylic acid quasi-chelate compound 1-2 part, Polyethylene Glycol 7-13 part；The preparation method of described cutting agent, comprises the following steps:
Step 1, will cutting oil, tricresyl phosphate propyl ester, dinonylnaphthalene sulfonic acid calcium, 2,6-ditertbutylparacresol, dodecenylsuccinic acid, triethanolamine borate, polyacrylamide, dodecylbenzene sodium sulfonate, benzoic acid mix homogeneously, then heat the mixture to 52-58 DEG C；
Step 2, adds remaining ingredient in step 1 gained mixture, continues to be heated to 76-92 DEG C, and be incubated 2.5-3.5h, prepare cutting agent；
Described lubricant, in units of weight, it is made up of following raw material: polyvinyl isobutyl ether 18-38 part, chlorinated paraffin 6-12 part, magnesium oxide particle 4-8 part, zinc stearate 6-19 part, carboxylic acid amide 8-12 part, acetate butyl 12-14 part, boric acid 6-10 part, N-Methyl pyrrolidone 7-10 part, dimethylformamide 6-9 part；Described lubricant is prepared by following preparation method:
The raw material components of lubricant is joined in reactor and react 11-19h in 420-480 DEG C, then use the cone mill to particle with clipping power as mechanical dispersion equipment after solidification, be ground dispersion, prepare lubricant；
Described coupling agent is epoxy silane class coupling agent；
Described dispersant is hexenyl bis-stearamides；
The preparation method of described Novel powder metallurgy travelling gear, comprises the following steps:
S1: the iron powder that makes water fogging, copper powder, molybdenum powder, vanadium powder, nikel powder, yttrium powder, aluminium powder, magnesium powder, cobalt powder, Hydrocerussitum (Ceruse), graphite powder, Polyethylene Glycol, fatty acid, carbon fibre, glass fibre join in blender, under rotating speed is 100-200r/min, stirs 10-14min, prepares mixture A；
S2: by stirring 12-16min under rotating speed is 200-300r/min in Oleum Verniciae fordii based alkyd, ethyl cellulose, zinc stearate, ethylene bis stearic acid amide, boron nitride addition blender, prepare mixture B；
S3: the mixture A that step S1 prepared, step S2 prepares mixture B, steel-making slag powder, cupola furnace ground-slag, ferroalloy ground-slag, modified tree ash powder, dimethicone, glycidoxy-propyltrimethoxy silane, silicon dioxide, Manganese monosulfide., esters of acrylic acid regulator, inhibitor, binding agent, hardening agent, cutting agent, lubricant, coupling agent, dispersant join in blender, it is 200-280 DEG C in temperature, rotating speed is stirring 2-4h under 300-400r/min, prepares mixture C；
S4: the mixture C that step S3 prepares is put into press, is sent into described mixture C in the product mold preset by press, and is pressed into green part under pressure is 560-620MPa；
S5: the green part that step S4 prepares is placed in sintering furnace; in the protective atmosphere of hydrogen and nitrogen mixed gas, first at 680-700 DEG C, presintering 45-50min; wherein hydrogen is 1.8-2.2:97.8-98.2 with the volume ratio of nitrogen, is then sintered by following liter of mild temperature:
1) with heating rate 18-22 DEG C/min, it is warming up to 900-940 DEG C from 680-700 DEG C, and is incubated 8-12 min；
2) with heating rate 23-27 DEG C/min, it is warming up to 1050-1080 DEG C from 900-940 DEG C, and is incubated 14-16min；
3) with heating rate 12-16 DEG C/min, it is warming up to 1180-1200 DEG C from 1050-1080 DEG C, and sinters 145-150min at this temperature, prepare workpiece；
S6: the workpiece that step S5 prepares is quenched, hardening heat is 810-830 DEG C, cool time is 40-50min, then it is warming up to 920-930 DEG C with heating rate 8-12 DEG C/min, insulation 70-80min, then be tempered, temperature is 220-230 DEG C, tempering insulation time is 80-85min, prepares the Novel powder metallurgy travelling gear after lonneal；
S7: the Novel powder metallurgy travelling gear after the lonneal prepare step S6 is in carburizer, 820-860 DEG C it is heated in the carburizing medium of gaseous state, insulation 5.5-6h, it is then cooled to 125-128 DEG C, insulation 6-7h, followed by being cooled to room temperature, prepare the Novel powder metallurgy travelling gear after carburizing；
S8: the Novel powder metallurgy travelling gear after the carburizing prepare step S7 is sent in steam oven, carry out steam process, vapor (steam) temperature is 720-740 DEG C, insulation 2.5-2.8h, then at 170-185 DEG C, it is incubated 3.5-4h, finally naturally cool to room temperature, prepare Novel powder metallurgy travelling gear product.
Embodiment 1
nullA kind of Novel powder metallurgy travelling gear，In units of weight，It is made up of following raw material: water-atomized iron powder 560 parts、Copper powder 4 parts、Molybdenum powder 4 parts、Vanadium powder 4 parts、Nikel powder 2 parts、2.5 parts of yttrium powder、Aluminium powder 2.5 parts、Magnesium powder 1.5 parts、Cobalt powder 1.2 parts、1.4 parts of Hydrocerussitum (Ceruse)、Steel-making slag powder 2 parts、Cupola furnace ground-slag 1.5 parts、Ferroalloy ground-slag 1.5 parts、Modified 1 part of tree ash powder、Graphite powder 0.9 part、Oleum Verniciae fordii based alkyd 0.8 part、Dimethicone 0.7 part、Ethyl cellulose 0.7 part、Zinc stearate 0.7 part、Polyethylene Glycol 0.6 part、Ethylene bis stearic acid amide 0.3 part、Fatty acid 0.7 part、Carbon fibre 0.6 part、Glass fibre 0.4 part、Boron nitride 0.2 part、Glycidoxy-propyltrimethoxy silane 0.1 part、Silicon dioxide 0.08 part、Manganese monosulfide. 0.04 part、Acrylate 0.02 part、Inhibitor 0.03 part、Binding agent 0.07 part、Hardening agent 0.06 part、Cutting agent 0.1 part、Lubricant 0.14 part、Coupling agent 0.12 part、Dispersant 0.11 part；
In described powder stock, the particle diameter of various metal dusts is 200-400 mesh；
Described modified tree ash powder is prepared by the following method and forms: by tree ash first with 30% soak with sulphuric acid 22min, then neutralize with sodium hydroxide solution, wash miscellaneous again with deionized water, mix with NDZ-311 titanate coupling agent again, consumption is tree ash weight the 1.5% of described NDZ-311 titanate coupling agent, adds in high speed mixer with Sprayable, discharging after stirring 17min, dry, pulverized 550 mesh sieve, prepare modified tree ash powder；
Described glycidoxy-propyltrimethoxy silane is viscosifier；
Described silicon dioxide is antiwear additive；
Described Manganese monosulfide. is processing aid；
Described acrylate is regulator；
Described inhibitor, in units of weight portion, is made up of following raw material: tungsten carbide 14 parts, niobium carbide 12 parts, ramet 10 parts, tungsten nitride 9 parts, titanium carbide 12 parts, molybdenum sulfide 7 parts, cerium fluoride 7 parts, 12 parts of carbon；
Described binding agent, in units of weight portion, is made up of following raw material: nickel aluminide 12 parts, Titanium Trialuminum 11 parts, aluminium nitride 9 parts, 8 parts of zinc；
Described hardening agent is 701 powder hardening agents；
Described cutting agent is in units of weight, it is made up of following raw material: cutting oil 13 parts, tricresyl phosphate propyl ester 9 parts, dinonylnaphthalene sulfonic acid calcium 5 parts, 2,6 ditertiary butyl p cresol 7 parts, dodecenylsuccinic acid 6 parts, triethanolamine borate 9 parts, polyacrylamide 8 parts, dodecylbenzene sodium sulfonate 8 parts, 6 parts of benzoic acid, oleamide 5 parts, tetrasodium ethylenediamine tetraacetate 4 parts, amino carboxylic acid quasi-chelate compound 1 part, Polyethylene Glycol 5 parts；The preparation method of described cutting agent, comprises the following steps:
Step 1, will cutting oil, tricresyl phosphate propyl ester, dinonylnaphthalene sulfonic acid calcium, 2,6-ditertbutylparacresol, dodecenylsuccinic acid, triethanolamine borate, polyacrylamide, dodecylbenzene sodium sulfonate, benzoic acid mix homogeneously, then heat the mixture to 55 DEG C；
Step 2, adds remaining ingredient in step 1 gained mixture, continues to be heated to 85 DEG C, and be incubated 3h, prepare cutting agent；
Described lubricant, in units of weight, it is made up of following raw material: 28 parts of polyvinyl isobutyl ether, chlorinated paraffin 9 parts, magnesium oxide particle 6 parts, zinc stearate 12 parts, carboxylic acid amide 10 parts, acetate butyl 13 parts, boric acid 8 parts, N-Methyl pyrrolidone 8 parts, dimethylformamide 7 parts；Described lubricant is prepared by following preparation method:
The raw material components of lubricant is joined in reactor and react 15h in 450 DEG C, then use the cone mill to particle with clipping power as mechanical dispersion equipment after solidification, be ground dispersion, prepare lubricant；
Described coupling agent is epoxy silane class coupling agent；
Described dispersant is hexenyl bis-stearamides；
The preparation method of described Novel powder metallurgy travelling gear, comprises the following steps:
S1: the iron powder that makes water fogging, copper powder, molybdenum powder, vanadium powder, nikel powder, yttrium powder, aluminium powder, magnesium powder, cobalt powder, Hydrocerussitum (Ceruse), graphite powder, Polyethylene Glycol, fatty acid, carbon fibre, glass fibre join in blender, under rotating speed is 150r/min, stirs 12min, prepares mixture A；
S2: by stirring 14min under rotating speed is 250r/min in Oleum Verniciae fordii based alkyd, ethyl cellulose, zinc stearate, ethylene bis stearic acid amide, boron nitride addition blender, prepare mixture B；
S3: the mixture A that step S1 prepared, step S2 prepares mixture B, steel-making slag powder, cupola furnace ground-slag, ferroalloy ground-slag, modified tree ash powder, dimethicone, glycidoxy-propyltrimethoxy silane, silicon dioxide, Manganese monosulfide., esters of acrylic acid regulator, inhibitor, binding agent, hardening agent, cutting agent, lubricant, coupling agent, dispersant join in blender, it it is 240 DEG C in temperature, rotating speed is stirring 3h under 350r/min, prepares mixture C；
S4: the mixture C that step S3 prepares is put into press, is sent into described mixture C in the product mold preset by press, and is pressed into green part under pressure is 590MPa；
S5: the green part that step S4 prepares is placed in sintering furnace, in the protective atmosphere of hydrogen and nitrogen mixed gas, first at 690 DEG C, presintering 48min, wherein hydrogen is 2:98 with the volume ratio of nitrogen, is then sintered by following liter of mild temperature:
1) with 20 DEG C/min of heating rate, it is warming up to 920 DEG C from 690 DEG C, and is incubated 10 min；
2) with 25 DEG C/min of heating rate, it is warming up to 1065 DEG C from 920 DEG C, and is incubated 15min；
3) with 14 DEG C/min of heating rate, it is warming up to 1180 DEG C from 1065 DEG C, and sinters 150min at this temperature, prepare workpiece；
S6: the workpiece that step S5 prepares is quenched, hardening heat is 820 DEG C, cool time is 45min, then it is warming up to 925 DEG C with 10 DEG C/min of heating rate, insulation 75min, then be tempered, temperature is 225 DEG C, tempering insulation time is 82min, prepares the Novel powder metallurgy travelling gear after lonneal；
S7: the Novel powder metallurgy travelling gear after the lonneal prepare step S6, in carburizer, is heated to 840 DEG C in the carburizing medium of gaseous state, is incubated 5.8h, it is then cooled to 126 DEG C, insulation 6.5h, followed by being cooled to room temperature, prepares the Novel powder metallurgy travelling gear after carburizing；
S8: the Novel powder metallurgy travelling gear after the carburizing prepare step S7 is sent in steam oven, carries out steam process, and vapor (steam) temperature is 730 DEG C, insulation 2.6h, then at 178 DEG C, it is incubated 3.8h, finally naturally cools to room temperature, prepare Novel powder metallurgy travelling gear product.
Embodiment 2
nullA kind of Novel powder metallurgy travelling gear，In units of weight，It is made up of following raw material: water-atomized iron powder 286 parts、Copper powder 2 parts、Molybdenum powder 2 parts、Vanadium powder 3 parts、Nikel powder 1 part、2 parts of yttrium powder、Aluminium powder 2 parts、Magnesium powder 1 part、Cobalt powder 1 part、1 part of Hydrocerussitum (Ceruse)、Steel-making slag powder 1.5 parts、Cupola furnace ground-slag 1 part、Ferroalloy ground-slag 1 part、Modified 0.8 part of tree ash powder、Graphite powder 0.6 part、Oleum Verniciae fordii based alkyd 0.6 part、Dimethicone 0.4 part、Ethyl cellulose 0.6 part、Zinc stearate 0.3 part、Polyethylene Glycol 0.4 part、Ethylene bis stearic acid amide 0.2 part、Fatty acid 0.5 part、Carbon fibre 0.4 part、Glass fibre 0.3 part、Boron nitride 0.2 part、Glycidoxy-propyltrimethoxy silane 0.1 part、Silicon dioxide 0.05 part、Manganese monosulfide. 0.03 part、Acrylate 0.01 part、Inhibitor 0.02 part、Binding agent 0.06 part、Hardening agent 0.04 part、Cutting agent 0.08 part、Lubricant 0.12 part、Coupling agent 0.1 part、Dispersant 0.1 part；
In described powder stock, the particle diameter of various metal dusts is 200-400 mesh；
Described modified tree ash powder is prepared by the following method and forms: by tree ash first with 28% soak with sulphuric acid 25min, then neutralize with sodium hydroxide solution, wash miscellaneous again with deionized water, mix with NDZ-311 titanate coupling agent again, consumption is tree ash weight the 1.2% of described NDZ-311 titanate coupling agent, adds in high speed mixer with Sprayable, discharging after stirring 16min, dry, pulverized 500 mesh sieve, prepare modified tree ash powder；
Described glycidoxy-propyltrimethoxy silane is viscosifier；
Described silicon dioxide is antiwear additive；
Described Manganese monosulfide. is processing aid；
Described acrylate is regulator；
Described inhibitor, in units of weight portion, is made up of following raw material: tungsten carbide 12 parts, niobium carbide 10 parts, ramet 10 parts, tungsten nitride 8 parts, titanium carbide 10 parts, molybdenum sulfide 6 parts, cerium fluoride 5 parts, 8 parts of carbon；
Described binding agent, in units of weight portion, is made up of following raw material: nickel aluminide 9 parts, Titanium Trialuminum 8 parts, aluminium nitride 6 parts, 5 parts of zinc；
Described hardening agent is 701 powder hardening agents；
Described cutting agent is in units of weight, it is made up of following raw material: cutting oil 12 parts, tricresyl phosphate propyl ester 8 parts, dinonylnaphthalene sulfonic acid calcium 4 parts, 2,6 ditertiary butyl p cresol 5 parts, dodecenylsuccinic acid 5 parts, triethanolamine borate 8 parts, polyacrylamide 6 parts, dodecylbenzene sodium sulfonate 7 parts, 5 parts of benzoic acid, oleamide 3 parts, tetrasodium ethylenediamine tetraacetate 2 parts, amino carboxylic acid quasi-chelate compound 1 part, Polyethylene Glycol 7 parts；The preparation method of described cutting agent, comprises the following steps:
Step 1, will cutting oil, tricresyl phosphate propyl ester, dinonylnaphthalene sulfonic acid calcium, 2,6-ditertbutylparacresol, dodecenylsuccinic acid, triethanolamine borate, polyacrylamide, dodecylbenzene sodium sulfonate, benzoic acid mix homogeneously, then heat the mixture to 52 DEG C；
Step 2, adds remaining ingredient in step 1 gained mixture, continues to be heated to 76 DEG C, and be incubated 3.5h, prepare cutting agent；
Described lubricant, in units of weight, it is made up of following raw material: 18 parts of polyvinyl isobutyl ether, chlorinated paraffin 6 parts, magnesium oxide particle 4 parts, zinc stearate 6 parts, carboxylic acid amide 8 parts, acetate butyl 12 parts, boric acid 6 parts, N-Methyl pyrrolidone 7 parts, dimethylformamide 6 parts；Described lubricant is prepared by following preparation method:
The raw material components of lubricant is joined in reactor and react 19h in 420 DEG C, then use the cone mill to particle with clipping power as mechanical dispersion equipment after solidification, be ground dispersion, prepare lubricant；
Described coupling agent is epoxy silane class coupling agent；
Described dispersant is hexenyl bis-stearamides；
The preparation method of described Novel powder metallurgy travelling gear, comprises the following steps:
S1: the iron powder that makes water fogging, copper powder, molybdenum powder, vanadium powder, nikel powder, yttrium powder, aluminium powder, magnesium powder, cobalt powder, Hydrocerussitum (Ceruse), graphite powder, Polyethylene Glycol, fatty acid, carbon fibre, glass fibre join in blender, under rotating speed is 100r/min, stirs 14min, prepares mixture A；
S2: by stirring 16min under rotating speed is 200r/min in Oleum Verniciae fordii based alkyd, ethyl cellulose, zinc stearate, ethylene bis stearic acid amide, boron nitride addition blender, prepare mixture B；
S3: the mixture A that step S1 prepared, step S2 prepares mixture B, steel-making slag powder, cupola furnace ground-slag, ferroalloy ground-slag, modified tree ash powder, dimethicone, glycidoxy-propyltrimethoxy silane, silicon dioxide, Manganese monosulfide., esters of acrylic acid regulator, inhibitor, binding agent, hardening agent, cutting agent, lubricant, coupling agent, dispersant join in blender, it it is 200 DEG C in temperature, rotating speed is stirring 4h under 300r/min, prepares mixture C；
S4: the mixture C that step S3 prepares is put into press, is sent into described mixture C in the product mold preset by press, and is pressed into green part under pressure is 560MPa；
S5: the green part that step S4 prepares is placed in sintering furnace, in the protective atmosphere of hydrogen and nitrogen mixed gas, first at 680 DEG C, presintering 50min, wherein hydrogen is 1.8:98.2 with the volume ratio of nitrogen, is then sintered by following liter of mild temperature:
1) with 18 DEG C/min of heating rate, it is warming up to 900 DEG C from 680 DEG C, and is incubated 12 min；
2) with 23 DEG C/min of heating rate, it is warming up to 1050 DEG C from 900 DEG C, and is incubated 16min；
3) with 12 DEG C/min of heating rate, it is warming up to 1200 DEG C from 1050 DEG C, and sinters 150min at this temperature, prepare workpiece；
S6: the workpiece that step S5 prepares is quenched, hardening heat is 810 DEG C, cool time is 50min, then it is warming up to 920 DEG C with 8 DEG C/min of heating rate, insulation 80min, then be tempered, temperature is 220 DEG C, tempering insulation time is 85min, prepares the Novel powder metallurgy travelling gear after lonneal；
S7: the Novel powder metallurgy travelling gear after the lonneal prepare step S6, in carburizer, is heated to 820 DEG C in the carburizing medium of gaseous state, is incubated 6h, it is then cooled to 125 DEG C, insulation 7h, followed by being cooled to room temperature, prepares the Novel powder metallurgy travelling gear after carburizing；
S8: the Novel powder metallurgy travelling gear after the carburizing prepare step S7 is sent in steam oven, carries out steam process, and vapor (steam) temperature is 720 DEG C, insulation 2.8h, then at 170 DEG C, it is incubated 4h, finally naturally cools to room temperature, prepare Novel powder metallurgy travelling gear product.
Embodiment 3
nullA kind of Novel powder metallurgy travelling gear，In units of weight，It is made up of following raw material: water-atomized iron powder 846 parts、Copper powder 6 parts、Molybdenum powder 5 parts、Vanadium powder 5 parts、Nikel powder 3 parts、3 parts of yttrium powder、Aluminium powder 3 parts、Magnesium powder 2 parts、Cobalt powder 1.5 parts、1.8 parts of Hydrocerussitum (Ceruse)、Steel-making slag powder 2.5 parts、Cupola furnace ground-slag 2 parts、Ferroalloy ground-slag 2 parts、Modified 1.2 parts of tree ash powder、Graphite powder 1.2 parts、Oleum Verniciae fordii based alkyd 1 part、Dimethicone 0.9 part、Ethyl cellulose 0.8 part、Zinc stearate 1 part、Polyethylene Glycol 0.8 part、The double stearic acid acyl 0.2-0.4 part of ethylene、Fatty acid 0.8 part、Carbon fibre 0.7 part、Glass fibre 0.5 part、Boron nitride 0.3 part、Glycidoxy-propyltrimethoxy silane 0.2 part、Silicon dioxide 0.1 part、Manganese monosulfide. 0.05 part、Acrylate 0.03 part、Inhibitor 0.04 part、Binding agent 0.08 part、Hardening agent 0.08 part、Cutting agent 0.12 part、Lubricant 0.15 part、Coupling agent 0.14 part、Dispersant 0.12 part；
In described powder stock, the particle diameter of various metal dusts is 200-400 mesh；
Described modified tree ash powder is prepared by the following method and forms: by tree ash first with 32% soak with sulphuric acid 20min, then neutralize with sodium hydroxide solution, wash miscellaneous again with deionized water, mix with NDZ-311 titanate coupling agent again, consumption is tree ash weight the 1.8% of described NDZ-311 titanate coupling agent, adds in high speed mixer with Sprayable, discharging after stirring 18min, dry, pulverized 600 mesh sieve, prepare modified tree ash powder；
Described glycidoxy-propyltrimethoxy silane is viscosifier；
Described silicon dioxide is antiwear additive；
Described Manganese monosulfide. is processing aid；
Described acrylate is regulator；
Described inhibitor, in units of weight portion, is made up of following raw material: tungsten carbide 16 parts, niobium carbide 14 parts, ramet 12 parts, tungsten nitride 10 parts, titanium carbide 15 parts, molybdenum sulfide 8 parts, cerium fluoride 9 parts, 15 parts of carbon；
Described binding agent, in units of weight portion, is made up of following raw material: nickel aluminide 15 parts, Titanium Trialuminum 14 parts, aluminium nitride 12 parts, 10 parts of zinc；
Described hardening agent is 701 powder hardening agents；
Described cutting agent is in units of weight, it is made up of following raw material: cutting oil 14 parts, tricresyl phosphate propyl ester 10 parts, dinonylnaphthalene sulfonic acid calcium 6 parts, 2,6 ditertiary butyl p cresol 9 parts, dodecenylsuccinic acid 7 parts, triethanolamine borate 10 parts, polyacrylamide 10 parts, dodecylbenzene sodium sulfonate 9 parts, 8 parts of benzoic acid, oleamide 7 parts, tetrasodium ethylenediamine tetraacetate 6 parts, amino carboxylic acid quasi-chelate compound 2 parts, Polyethylene Glycol 13 parts；The preparation method of described cutting agent, comprises the following steps:
Step 1, will cutting oil, tricresyl phosphate propyl ester, dinonylnaphthalene sulfonic acid calcium, 2,6-ditertbutylparacresol, dodecenylsuccinic acid, triethanolamine borate, polyacrylamide, dodecylbenzene sodium sulfonate, benzoic acid mix homogeneously, then heat the mixture to 58 DEG C；
Step 2, adds remaining ingredient in step 1 gained mixture, continues to be heated to 92 DEG C, and be incubated 2.5h, prepare cutting agent；
Described lubricant, in units of weight, it is made up of following raw material: 38 parts of polyvinyl isobutyl ether, chlorinated paraffin 12 parts, magnesium oxide particle 8 parts, zinc stearate 19 parts, carboxylic acid amide 12 parts, acetate butyl 14 parts, boric acid 10 parts, N-Methyl pyrrolidone 10 parts, dimethylformamide 9 parts；Described lubricant is prepared by following preparation method:
The raw material components of lubricant is joined in reactor and react 11h in 480 DEG C, then use the cone mill to particle with clipping power as mechanical dispersion equipment after solidification, be ground dispersion, prepare lubricant；
Described coupling agent is epoxy silane class coupling agent；
Described dispersant is hexenyl bis-stearamides；
The preparation method of described Novel powder metallurgy travelling gear, comprises the following steps:
S1: the iron powder that makes water fogging, copper powder, molybdenum powder, vanadium powder, nikel powder, yttrium powder, aluminium powder, magnesium powder, cobalt powder, Hydrocerussitum (Ceruse), graphite powder, Polyethylene Glycol, fatty acid, carbon fibre, glass fibre join in blender, under rotating speed is 200r/min, stirs 10min, prepares mixture A；
S2: by stirring 12min under rotating speed is 300r/min in Oleum Verniciae fordii based alkyd, ethyl cellulose, zinc stearate, ethylene bis stearic acid amide, boron nitride addition blender, prepare mixture B；
S3: the mixture A that step S1 prepared, step S2 prepares mixture B, steel-making slag powder, cupola furnace ground-slag, ferroalloy ground-slag, modified tree ash powder, dimethicone, glycidoxy-propyltrimethoxy silane, silicon dioxide, Manganese monosulfide., esters of acrylic acid regulator, inhibitor, binding agent, hardening agent, cutting agent, lubricant, coupling agent, dispersant join in blender, it it is 280 DEG C in temperature, rotating speed is stirring 2h under 400r/min, prepares mixture C；
S4: the mixture C that step S3 prepares is put into press, is sent into described mixture C in the product mold preset by press, and is pressed into green part under pressure is 620MPa；
S5: the green part that step S4 prepares is placed in sintering furnace, in the protective atmosphere of hydrogen and nitrogen mixed gas, first at 700 DEG C, presintering 45min, wherein hydrogen is 2.2:97.8 with the volume ratio of nitrogen, is then sintered by following liter of mild temperature:
1) with 22 DEG C/min of heating rate, it is warming up to 940 DEG C from 700 DEG C, and is incubated 8 min；
2) with 27 DEG C/min of heating rate, it is warming up to 1080 DEG C from 940 DEG C, and is incubated 14min；
3) with 16 DEG C/min of heating rate, it is warming up to 1200 DEG C from 1080 DEG C, and sinters 145min at this temperature, prepare workpiece；
S6: the workpiece that step S5 prepares is quenched, hardening heat is 830 DEG C, cool time is 40min, then it is warming up to 930 DEG C with 12 DEG C/min of heating rate, insulation 70min, then be tempered, temperature is 230 DEG C, tempering insulation time is 80min, prepares the Novel powder metallurgy travelling gear after lonneal；
S7: the Novel powder metallurgy travelling gear after the lonneal prepare step S6, in carburizer, is heated to 860 DEG C in the carburizing medium of gaseous state, is incubated 5.5h, it is then cooled to 128 DEG C, insulation 6h, followed by being cooled to room temperature, prepares the Novel powder metallurgy travelling gear after carburizing；
S8: the Novel powder metallurgy travelling gear after the carburizing prepare step S7 is sent in steam oven, carries out steam process, and vapor (steam) temperature is 740 DEG C, insulation 2.5h, then at 185 DEG C, it is incubated 3.5h, finally naturally cools to room temperature, prepare Novel powder metallurgy travelling gear product.
Embodiment 1-3 preparing Novel powder metallurgy travelling gear and carries out performance test, result is as shown in the table.
Embodiment Percentage elongation (%) The contraction percentage of area (%) Tensile strength (MPa) Yield strength (MPa) Hardness (HRC) Stock utilization (%) Consistency (%)
1 18.35 54.02 867.25 567.92 122.31 92.62 92.27
2 17.92 51.23 828.89 542.96 109.48 92.06 91.58
3 18.45 56.66 897.44 589.42 134.09 93.01 92.78
From upper table result it can be seen that the Novel powder metallurgy travelling gear that the present invention prepares has good combination property, wherein percentage elongation has reached more than 17.92%, and the contraction percentage of area has reached more than 51.23%, and tensile strength has reached 828.89MPa Above, yield strength has reached more than 542.96MPa, and hardness has reached 109.48HRC Above, stock utilization has reached more than 92.06%, and consistency has reached more than 91.58%, the Novel powder metallurgy travelling gear global density that the visible present invention prepares is uniform, and consistency is high, and elongation percentage and the contraction percentage of area are big, wearability, intensity and hardness are preferable, and stock utilization is high.
Above content it cannot be assumed that the present invention be embodied as be confined to these explanations; for general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; some simple deduction or replace can also be made, all should be considered as belonging to the scope of patent protection that the present invention is determined by the claims submitted to.

Claims (7)

  1. null1. a Novel powder metallurgy travelling gear，It is characterized in that，In units of weight，It is made up of following raw material: water-atomized iron powder 286-846 part、Copper powder 2-6 part、Molybdenum powder 2-5 part、Vanadium powder 3-5 part、Nikel powder 1-3 part、Yttrium powder 2-3 part、Aluminium powder 2-3 part、Magnesium powder 1-2 part、Cobalt powder 1-1.5 part、Hydrocerussitum (Ceruse) 1-1.8 part、Steel-making slag powder 1.5-2.5 part、Cupola furnace ground-slag 1-2 part、Ferroalloy ground-slag 1-2 part、Modified tree ash powder 0.8-1.2 part、Graphite powder 0.6-1.2 part、Oleum Verniciae fordii based alkyd 0.6-1 part、Dimethicone 0.4-0.9 part、Ethyl cellulose 0.6-0.8 part、Zinc stearate 0.3-1 part、Polyethylene Glycol 0.4-0.8 part、Ethylene bis stearic acid amide 0.2-0.4 part、Fatty acid 0.5-0.8 part、Carbon fibre 0.4-0.7 part、Glass fibre 0.3-0.5 part、Boron nitride 0.2-0.3 part、Glycidoxy-propyltrimethoxy silane 0.1-0.2 part、Silicon dioxide 0.05-0.1 part、Manganese monosulfide. 0.03-0.05 part、Acrylate 0.01-0.03 part、Inhibitor 0.02-0.04 part、Binding agent 0.06-0.08 part、Hardening agent 0.04-0.08 part、Cutting agent 0.08-0.12 part、Lubricant 0.12-0.15 part、Coupling agent 0.1-0.14 part、Dispersant 0.1-0.12 part；
    Described inhibitor, in units of weight portion, is made up of following raw material: tungsten carbide 12-16 part, niobium carbide 10-14 part, ramet 10-12 part, tungsten nitride 8-10 part, titanium carbide 10-15 part, molybdenum sulfide 6-8 part, cerium fluoride 5-9 part, carbon 8-15 part；
    Described binding agent, in units of weight portion, is made up of following raw material: nickel aluminide 9-15 part, Titanium Trialuminum 8-14 part, aluminium nitride 6-12 part, zinc 5-10 part；
    The preparation method of described Novel powder metallurgy travelling gear, comprises the following steps:
    S1: the iron powder that makes water fogging, copper powder, molybdenum powder, vanadium powder, nikel powder, yttrium powder, aluminium powder, magnesium powder, cobalt powder, Hydrocerussitum (Ceruse), graphite powder, Polyethylene Glycol, fatty acid, carbon fibre, glass fibre join in blender, under rotating speed is 100-200r/min, stirs 10-14min, prepares mixture A；
    S2: by stirring 12-16min under rotating speed is 200-300r/min in Oleum Verniciae fordii based alkyd, ethyl cellulose, zinc stearate, ethylene bis stearic acid amide, boron nitride addition blender, prepare mixture B；
    S3: the mixture A that step S1 prepared, step S2 prepares mixture B, steel-making slag powder, cupola furnace ground-slag, ferroalloy ground-slag, modified tree ash powder, dimethicone, glycidoxy-propyltrimethoxy silane, silicon dioxide, Manganese monosulfide., acrylate, inhibitor, binding agent, hardening agent, cutting agent, lubricant, coupling agent, dispersant join in blender, it is 200-280 DEG C in temperature, rotating speed is stirring 2-4h under 300-400r/min, prepares mixture C；
    S4: the mixture C that step S3 prepares is put into press, is sent into described mixture C in the product mold preset by press, and is pressed into green part under pressure is 560-620MPa；
    S5: the green part that step S4 prepares is placed in sintering furnace; in the protective atmosphere of hydrogen and nitrogen mixed gas, first at 680-700 DEG C, presintering 45-50min; wherein hydrogen is 1.8-2.2:97.8-98.2 with the volume ratio of nitrogen, is then sintered by following liter of mild temperature:
    1) with heating rate 18-22 DEG C/min, it is warming up to 900-940 DEG C from 680-700 DEG C, and is incubated 8-12 min；
    2) with heating rate 23-27 DEG C/min, it is warming up to 1050-1080 DEG C from 900-940 DEG C, and is incubated 14-16min；
    3) with heating rate 12-16 DEG C/min, it is warming up to 1180-1200 DEG C from 1050-1080 DEG C, and sinters 145-150min at this temperature, prepare workpiece；
    S6: the workpiece that step S5 prepares is quenched, hardening heat is 810-830 DEG C, cool time is 40-50min, then it is warming up to 920-930 DEG C with heating rate 8-12 DEG C/min, insulation 70-80min, then be tempered, temperature is 220-230 DEG C, tempering insulation time is 80-85min, prepares the Novel powder metallurgy travelling gear after lonneal；
    S7: the Novel powder metallurgy travelling gear after the lonneal prepare step S6 is in carburizer, 820-860 DEG C it is heated in the carburizing medium of gaseous state, insulation 5.5-6h, it is then cooled to 125-128 DEG C, insulation 6-7h, followed by being cooled to room temperature, prepare the Novel powder metallurgy travelling gear after carburizing；
    S8: the Novel powder metallurgy travelling gear after the carburizing prepare step S7 is sent in steam oven, carry out steam process, vapor (steam) temperature is 720-740 DEG C, insulation 2.5-2.8h, then at 170-185 DEG C, it is incubated 3.5-4h, finally naturally cool to room temperature, prepare Novel powder metallurgy travelling gear product.
  2. Novel powder metallurgy travelling gear the most according to claim 1, it is characterized in that, described modified tree ash powder is prepared by the following method and forms: by tree ash first with the soak with sulphuric acid 20-25min of 28%-32%, then neutralize with sodium hydroxide solution, wash miscellaneous again with deionized water, mix with NDZ-311 titanate coupling agent again, the 1.2%-1.8% that consumption is tree ash weight of described NDZ-311 titanate coupling agent, add in high speed mixer with Sprayable, discharging after stirring 16-18min, dry, pulverized 500-600 mesh sieve, prepare modified tree ash powder.
  3. Novel powder metallurgy travelling gear the most according to claim 1, it is characterised in that described hardening agent is 701 powder hardening agents.
  4. Novel powder metallurgy travelling gear the most according to claim 1, it is characterized in that, described cutting agent is in units of weight, it is made up of following raw material: cutting oil 12-14 part, tricresyl phosphate propyl ester 8-10 part, dinonylnaphthalene sulfonic acid calcium 4-6 part, 2,6 ditertiary butyl p cresol 5-9 part, dodecenylsuccinic acid 5-7 part, triethanolamine borate 8-10 part, polyacrylamide 6-10 part, dodecylbenzene sodium sulfonate 7-9 part, benzoic acid 5-8 part, oleamide 3-7 part, tetrasodium ethylenediamine tetraacetate 2-6 part, amino carboxylic acid quasi-chelate compound 1-2 part, Polyethylene Glycol 7-13 part.
  5. Novel powder metallurgy travelling gear the most according to claim 1, it is characterized in that, described lubricant, in units of weight, it is made up of following raw material: polyvinyl isobutyl ether 18-38 part, chlorinated paraffin 6-12 part, magnesium oxide particle 4-8 part, zinc stearate 6-19 part, carboxylic acid amide 8-12 part, acetate butyl 12-14 part, boric acid 6-10 part, N-Methyl pyrrolidone 7-10 part, dimethylformamide 6-9 part.
  6. Novel powder metallurgy travelling gear the most according to claim 1, it is characterised in that described coupling agent is epoxy silane class coupling agent.
  7. Novel powder metallurgy travelling gear the most according to claim 1, it is characterised in that described dispersant is hexenyl bis-stearamides.
CN201610598668.XA 2016-07-27 2016-07-27 Novel powder metallurgy transmission gear Pending CN105970106A (en)

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CN106270495A (en) * 2016-10-19 2017-01-04 广西南宁智翠科技咨询有限公司 A kind of car shaft-type component powder metallurgy material of high-wearing feature
CN106424706A (en) * 2016-10-19 2017-02-22 广西南宁智翠科技咨询有限公司 High-hardness vehicle shaft part powder metallurgy material
CN106424707A (en) * 2016-10-19 2017-02-22 广西南宁智翠科技咨询有限公司 High-strength powder metallurgy material of axle parts of automobile
CN106563797A (en) * 2016-10-19 2017-04-19 广西南宁智翠科技咨询有限公司 Automobile axle part powder metallurgical material with large elongation percentage
CN106623891A (en) * 2016-10-19 2017-05-10 广西南宁智翠科技咨询有限公司 Automobile shaft component powder metallurgy material
CN108559930A (en) * 2018-04-02 2018-09-21 张庆 A kind of iron-base powder metallurgy material and preparation method thereof
CN109082612A (en) * 2018-07-11 2018-12-25 桐城市新瑞建筑工程有限公司 A kind of fiber composite powdered metallurgical material and preparation method thereof
CN109913773A (en) * 2017-12-12 2019-06-21 江苏赛尔亚环保科技有限公司 Asynchronous machine rotating shaft material
CN113249663A (en) * 2021-05-19 2021-08-13 武汉德而诗新材料有限公司 Metal-inorganic non-metal composite material and production method thereof

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106270495A (en) * 2016-10-19 2017-01-04 广西南宁智翠科技咨询有限公司 A kind of car shaft-type component powder metallurgy material of high-wearing feature
CN106424706A (en) * 2016-10-19 2017-02-22 广西南宁智翠科技咨询有限公司 High-hardness vehicle shaft part powder metallurgy material
CN106424707A (en) * 2016-10-19 2017-02-22 广西南宁智翠科技咨询有限公司 High-strength powder metallurgy material of axle parts of automobile
CN106563797A (en) * 2016-10-19 2017-04-19 广西南宁智翠科技咨询有限公司 Automobile axle part powder metallurgical material with large elongation percentage
CN106623891A (en) * 2016-10-19 2017-05-10 广西南宁智翠科技咨询有限公司 Automobile shaft component powder metallurgy material
CN109913773A (en) * 2017-12-12 2019-06-21 江苏赛尔亚环保科技有限公司 Asynchronous machine rotating shaft material
CN108559930A (en) * 2018-04-02 2018-09-21 张庆 A kind of iron-base powder metallurgy material and preparation method thereof
CN109082612A (en) * 2018-07-11 2018-12-25 桐城市新瑞建筑工程有限公司 A kind of fiber composite powdered metallurgical material and preparation method thereof
CN113249663A (en) * 2021-05-19 2021-08-13 武汉德而诗新材料有限公司 Metal-inorganic non-metal composite material and production method thereof

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