CN103603408A - Wear-resistant bucket tooth with cleaning runner and manufacturing method of wear-resistant bucket tooth - Google Patents
Wear-resistant bucket tooth with cleaning runner and manufacturing method of wear-resistant bucket tooth Download PDFInfo
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- CN103603408A CN103603408A CN201310546452.5A CN201310546452A CN103603408A CN 103603408 A CN103603408 A CN 103603408A CN 201310546452 A CN201310546452 A CN 201310546452A CN 103603408 A CN103603408 A CN 103603408A
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Abstract
Disclosed are a wear-resistant bucket tooth with a cleaning runner and a manufacturing method of the wear-resistant bucket tooth. The wear-resistant bucket tooth comprises tooth tips, a base body and the cleaning runner. The manufacturing method includes the steps of alloy steel smelting, molten steel pre-steelmaking, external refining, steel ladle wire feeding, tooth tip pouring and thermal treatment, base body smelting, bucket tooth making, demoulding, annealing, cleaning runner mounting. The wear-resistant bucket tooth has the advantages of high wear resistance, high hardness, high tenacity, long service life and low production cost.
Description
Technical field
The present invention relates to a kind of bucket tooth of excavator, be specifically related to a kind of wear-resistant bucket tooth and manufacture method thereof with cleaning runner.
Background technology
Bucket tooth is generally contained in the front end of power shovel, is overarm arm configuration, during work, by crown contact material turning handle material, packs scraper bowl into.The percussion that will bear material during bucket tooth contact material, packs into and in material process, bears again certain Moment, bucket tooth with material contact and loading process in must wear and tear.When bucket tooth contact ore, the corner angle of ore usually cut bucket tooth surface, cause that surface is normal occurs various distortion, cause surface abrasion and come off.In use procedure, the frequent bucket tooth damaging of changing must lower efficiency, and increase equipment and cost of labor, cause a large amount of economic losses.The wear-resistant bucket tooth material using is at present mainly potassium steel and various low-alloy steel.Under potassium steel normal temperature, be austenite structure, good toughness and in use work hardening effect are strong.Under intense impact load and high extrusion stress, surface of the work can be realized the phase transformation of α martensite and fully be strengthened.But meanwhile, potassium steel initial hardness is low, therefore anti-wear performance is poor.In low-alloy steel, alloying element content is low, cost of production is relatively low, after suitable heat treatment, show good intensity and anti-wear performance, overcome the shortcoming that potassium steel work hardening like that in advance could obtain high rigidity, just progressively become widely used a kind of high-abrasive material.But owing to still adding a certain amount of rare metal, when a large amount of use, still can increase use cost.Also have the technology of using different materials in bucket tooth, but reliable fusion between different materials is a difficult point.Conventionally the bucket tooth being formed by different materials fusion is difficult to the complicated severe condition of work of reply, and in large impact operating mode, bucket tooth is usually because bond strength is damaged not.
In the course of the work, in slot, easily accumulate earth and crushed stone simultaneously, can reduce operating efficiency equally, and need manually periodically cleaning.Therefore develop that performance is high, the life-span is long, cost is low, easy cleaned wear-resistant bucket tooth has great significance to the reliable and stable operation of equipment.
Summary of the invention
For addressing the above problem, the invention discloses a kind of wear-resistant bucket tooth and manufacture method thereof with cleaning runner, there is good abrasion resistance, high life, low cost and easy cleaning.
In order to achieve the above object, the invention provides following technical scheme:
With a manufacture method of cleaning the wear-resistant bucket tooth of runner, concrete steps are as follows:
A, alloy steel melting, molten steel is just made steel
In 400Kg medium-frequency induction furnace, add steel scrap, to form as early as possible molten bath, NiFe, MnFe are directly added in the molten steel of fusing, after molten steel melts clearly, add FeSi, stir molten steel, after composition adjustment in stokehold is qualified, temperature rises to 1540-1590 ℃; Add other raw material except Ti and B, smelting temperature 1470-1540 ℃, divides TiFe and BFe to be broken into fritter and to be heated to 400 ℃, inserts molten steel and carries out Combined Processing; Use low-carbon (LC) slag former to carry out slag making, the nozzle by furnace bottom is blown into molten bath by Ar simultaneously, stirs molten steel and carries out just refining;
B, external refining, ladle wire feeding
By the molten steel of just refining vacuum, contain inert gas container in carry out degassed, deoxidation, the field trash of removing in molten steel carries out trimming, forms ladle; Pulvis by wire feeder to deoxidation, desulfurization and the fine setting composition of iron sheet parcel for feeding in ladle;
C, crown casting and heat treatment
Molten steel tapping temperature is about 1550-1650 ℃, and molten steel, after calm about 2-3 minute, in crown mould, pours into crown by the alloy steel pouring molten steel of 1450-1500 ℃; By not being warming up to 820-880 ℃ higher than 65 ℃/h in electric furnace, insulation 4h, stove is chilled to room temperature; By not being warming up to 750-820 ℃ higher than 85 ℃/h, insulation 3h, crown come out of the stove after in 55-65 ℃ of water, be quenched to 210-260 ℃; In electric furnace, be warming up to 250-300 ℃ and carry out lonneal processing, insulation 4h, the air cooling of coming out of the stove;
D, matrix are smelted
Use intermediate frequency furnace to carry out melting to the material for the production of body portion, intermediate frequency furnace is rapidly heated, in 1.5 hours, furnace charge is melted completely, be incubated 1 hour, carry out spheroidising and inoculation, form the iron liquid of making matrix;
E, making bucket tooth, carry out the demoulding
The crown processing is carried out to the pre-heat treatment, and temperature 450-520 ℃, is fixed on the bottom of polystyrene mould, leaves interval between crown, iron liquid casting is entered to fix in the mould of crown, afterwards the at room temperature demoulding;
F, annealing
Bucket tooth after the demoulding is heated to 860-960 ℃, insulation 4-5 hour, then the speed with 45 ℃/h is cooled to 600-700 ℃, comes out of the stove and carries out air cooling;
Runner is cleaned in g, installation
Install and clean roller, adjust the position of runner jack, make it corresponding with slot.
By aforementioned production method, make bucket tooth material and the easier combination of body portion material, guaranteed the bond strength of crown and body portion; By special component and fusion process, further improved the bond strength of the crown of making in advance and the body portion being formed by nodular graphite iron.
The material of described crown is alloy steel, and each composition mass percent is: C:0.4-0.6%, Si:2.2-2.5%, Mn:1.3-1.8%, Nb:0.1%, Ti:0.15-0.2%, Ni:0.1-0.25%, Al:0.12-0.15%, Zn:0.15-0.2%, Cr:1.5-2.1%, B:0.003-0.007%, V:0.05-0.1%, Sn:0.025%, S≤0.02%, P≤0.03%, all the other are Fe; The material of body portion is nodular graphite iron, and each composition mass percent is: C:3.55-3.65%, Si:2.1-2.3%, Mn:0.2-0.4%, Cr: 0.35-0.45%, Nb:0.06%, Ni:0.5-0.7%, Mg:0.04-0.05%, Cu:0.7%, Al:0.12-0.15%, Zn:0.15-0.2%, Pb:0.01%, W:0.25-0.3%, S≤0.01%, P≤0.01%, all the other are Fe.
In the Composition Design of crown, Si has strong inhibition Carbide Precipitation feature in bainite transformation process, and stable and refine austenite, increases the segregation of C, Mn, except improving quenching degree, abrasion resistance and the yield strength of steel, can also keep good impact toughness and fracture toughness.Mn, Ni and B are strong increase quenching degree element, can fully improve thick bucket tooth quenching degree and toughness.Mn can improve shellfish/martensite content in alloy steel makes structure refinement with reducing the transformation temperature of steel, but when Mn too high levels, in tissue, major part is lath martensite, thereby causes toughness to worsen.The addition of Mn is 1.3-1.8 (wt) % in the present invention.Ni and C do not form carbide, can delay austenite decomposition and change, very large to improving quenching degree effect.Ni, improving hardness of steel simultaneously, also improves its toughness in addition.The addition of Ni is 0.1-0.25 (wt) % in the present invention.B is surface active element, is mainly present in austenite grain boundary fault location, can refined grain structure.Trace B can greatly improve the quenching degree of steel, and the B of every 1 part of quality is equivalent to the Mo of 300 parts of quality; A small amount of V can give some particular functions of steel, improves tensile strength and yield point, obviously improves the elevated temperature strength of steel; Add again micro-Sn to play anti-oxidation effect.
In the Composition Design of body portion, C promotes graphite element, can increase number of graphite ball, improves graphite nodule rounding degree, improves impact toughness.But phosphorus content is too high, also easily cause defect, therefore the mass percent of carbon is chosen in 3.55-3.65.Mn can improve content of pearlite in alloy, and then improves tensile strength, but easily produces segregation when too high levels, significantly improves ductile-brittle transition temperature, reduces plasticity and the toughness of nodular graphite iron, therefore, the mass percent of Mn is controlled to 0.2-0.4; Add 0.01% Pb can generate basic carbonate thin film lead, prevent internal oxidation; Add again a small amount of W, can improve the creep strength of steel, and can, as the powerful accelerator of carbide in steel, make it have temper resistance and elevated temperature strength.
The crown of making of alloy steel and all contain Al and Zn with the body portion that nodular graphite iron is made, and their content is also identical.The use of these two kinds of materials makes crown and body portion be more prone to fusion, has improved the adhesion between crown and body portion, thereby has greatly extended the application life of bucket tooth.
Described cleaning runner uses installing rack to be fixed on crown root, and its inside is provided with motor, and surface is provided with jack, can select to insert set of blades or hairbrush group according to the foreign material in slot, cleans on the installing rack of runner and also be provided with giant.This setting can be changed cleaning means as required, and giant can rinse the mud layer of being close to bucket tooth surface, for removing the cleaning after foreign material.
Beneficial effect provided by the invention is: (1) crown separates manufacture with matrix by special component, has guaranteed high abrasion, high rigidity, high tenacity and the long-life of bucket tooth; (2) by using a large amount of nodular graphite irons, significantly reduced cost of production; (3) be easy to clean.
Accompanying drawing explanation
Fig. 1, a kind of front view with cleaning the wear-resistant bucket tooth of runner;
Reference numerals list: crown 1, matrix 2, cleaning roller 3, mounting bracket 4, jack 5, giant 6.
The specific embodiment
Below with reference to specific embodiment, technical scheme provided by the invention is elaborated, should understands the following specific embodiment and only for the present invention is described, is not used in and limits the scope of the invention.
With a manufacture method of cleaning the wear-resistant bucket tooth of runner, concrete steps are as follows:
A, alloy steel melting, molten steel is just made steel
In 400Kg medium-frequency induction furnace, add steel scrap, to form as early as possible molten bath, NiFe, MnFe are directly added in the molten steel of fusing, after molten steel melts clearly, add FeSi, stir molten steel, after composition adjustment in stokehold is qualified, temperature rises to 1540 ℃; Add other raw material except Ti and B, 1470 ℃ of smelting temperatures, divide TiFe and BFe to be broken into fritter and to be heated to 400 ℃, insert molten steel and carry out Combined Processing; Use low-carbon (LC) slag former to carry out slag making, the nozzle by furnace bottom is blown into molten bath by Ar simultaneously, stirs molten steel and carries out just refining;
B, external refining, ladle wire feeding
By the molten steel of just refining vacuum, contain inert gas container in carry out degassed, deoxidation, the field trash of removing in molten steel carries out trimming, forms ladle; Pulvis by wire feeder to deoxidation, desulfurization and the fine setting composition of iron sheet parcel for feeding in ladle;
C, crown casting and heat treatment
Molten steel tapping temperature is about 1550 ℃, and molten steel, after calm approximately 2 minutes, in crown mould, pours into crown by the alloy steel pouring molten steel of 1450 ℃; By 55 ℃/h, in electric furnace, be warming up to 820 ℃, insulation 4h, stove is chilled to room temperature; By 75 ℃/h, be warming up to 750 ℃, insulation 3h, crown come out of the stove after in 55 ℃ of water, be quenched to 210 ℃; In electric furnace, be warming up to 250 ℃ and carry out lonneal processing, insulation 4h, the air cooling of coming out of the stove;
D, matrix are smelted
Use intermediate frequency furnace to carry out melting to the material for the production of body portion, intermediate frequency furnace is rapidly heated, in 1.5 hours, furnace charge is melted completely, be incubated 1 hour, carry out spheroidising and inoculation, form the iron liquid of making matrix;
E, making bucket tooth, carry out the demoulding
The crown processing is carried out to the pre-heat treatment, and 450 ℃ of temperature, are fixed on the bottom of polystyrene mould, leave interval between crown, iron liquid casting are entered to fix in the mould of crown, afterwards the at room temperature demoulding;
F, annealing
Bucket tooth after the demoulding is heated to 860 ℃, is incubated 4 hours, then the speed with 45 ℃/h is cooled to 600 ℃, comes out of the stove and carries out air cooling;
Runner is cleaned in g, installation
Install and clean roller, adjust the position of runner jack, make it corresponding with slot.
The material of crown is alloy steel, and each composition mass percent is: C:0.4%, Si:2.2%, Mn:1.3%, Nb:0.1%, Ti:0.15%, Ni:0.1%, Al:0.12%, Zn:0.15%, Cr:1.5%, B:0.003%, V:0.05%, Sn:0.025%, S:0.01%, P:0.02%, all the other are Fe; The material of body portion is nodular graphite iron, and each composition mass percent is: C:3.55%, Si:2.1%, Mn:0.2%, Cr: 0.35%, Nb:0.06%, Ni:0.5%, Mg:0.04%, Cu:0.7%, Al:0.12%, Zn:0.15%, Pb:0.01%, W:0.25%, S:0.005%, P:0.005%, all the other are Fe.
If Fig. 1 is a kind of wear-resistant bucket tooth with cleaning runner of manufacturing according to the method described above, comprises crown 1, matrix 2 and clean runner 3; Clean runner 3 and use installing racks 4 to be fixed on crown 1 root, and its inside is provided with motor, surface is provided with jack 5, can select to insert set of blades or hairbrush group according to the foreign material in slot; On installing rack 4, be also provided with giant 6.
Adopt that as above method and alloy steel composition are produced compares with common bucket tooth with the bucket tooth that cleans runner, hardness is 482HB, and tensile strength is 1785Mpa, anti-oxidantly promotes 28% with decay resistance, is common bucket tooth application life 1.7 times.
With a manufacture method of cleaning the wear-resistant bucket tooth of runner, concrete steps are as follows:
A, alloy steel melting, molten steel is just made steel
In 400Kg medium-frequency induction furnace, add steel scrap, to form as early as possible molten bath, NiFe, MnFe are directly added in the molten steel of fusing, after molten steel melts clearly, add FeSi, stir molten steel, after composition adjustment in stokehold is qualified, temperature rises to 1565 ℃; Add other raw material except Ti and B, 1505 ℃ of smelting temperatures, divide TiFe and BFe to be broken into fritter and to be heated to 400 ℃, insert molten steel and carry out Combined Processing; Use low-carbon (LC) slag former to carry out slag making, the nozzle by furnace bottom is blown into molten bath by Ar simultaneously, stirs molten steel and carries out just refining;
B, external refining, ladle wire feeding
By the molten steel of just refining vacuum, contain inert gas container in carry out degassed, deoxidation, the field trash of removing in molten steel carries out trimming, forms ladle; Pulvis by wire feeder to deoxidation, desulfurization and the fine setting composition of iron sheet parcel for feeding in ladle;
C, crown casting and heat treatment
Molten steel tapping temperature is about 1600 ℃, and molten steel, after calm approximately 2 minutes half, in crown mould, pours into crown by the alloy steel pouring molten steel of 1478 ℃; By 60 ℃/h, in electric furnace, be warming up to 845 ℃, insulation 4h, stove is chilled to room temperature; By 80 ℃/h, be warming up to 785 ℃, insulation 3h, crown come out of the stove after in 60 ℃ of water, be quenched to 240 ℃; In electric furnace, be warming up to 275 ℃ and carry out lonneal processing, insulation 4h, the air cooling of coming out of the stove;
D, matrix are smelted
Use intermediate frequency furnace to carry out melting to the material for the production of body portion, intermediate frequency furnace is rapidly heated, in 1.5 hours, furnace charge is melted completely, be incubated 1 hour, carry out spheroidising and inoculation, form the iron liquid of making matrix;
E, making bucket tooth, carry out the demoulding
The crown processing is carried out to the pre-heat treatment, and 480 ℃ of temperature, are fixed on the bottom of polystyrene mould, leave interval between crown, iron liquid casting are entered to fix in the mould of crown, afterwards the at room temperature demoulding;
F, annealing
Bucket tooth after the demoulding is heated to 910 ℃, is incubated 4.5 hours, then the speed with 45 ℃/h is cooled to 650 ℃, comes out of the stove and carries out air cooling;
Runner is cleaned in g, installation
Install and clean roller, adjust the position of runner jack, make it corresponding with slot.
The material of crown is alloy steel, and each composition mass percent is: C:0.5%, Si:2.3%, Mn:1.5%, Nb:0.1%, Ti:0.17%, Ni:0.2%, Al:0.14%, Zn:0.17%, Cr:1.8%, B:0.005%, V:0.08%, Sn:0.025%, S:0.015%, P:0.026%, all the other are Fe; The material of body portion is nodular graphite iron, and each composition mass percent is: C:3.6%, Si:2.2%, Mn:0.3%, Cr: 0.4%, Nb:0.06%, Ni:0.6%, Mg:0.045%, Cu:0.7%, Al:0.14%, Zn:0.17%, Pb:0.01%, W:0.28%, S:0.008%, P:0.007%, all the other are Fe.
If Fig. 1 is a kind of wear-resistant bucket tooth with cleaning runner of manufacturing according to the method described above, comprises crown 1, matrix 2 and clean runner 3; Clean runner 3 and use installing racks 4 to be fixed on crown 1 root, and its inside is provided with motor, surface is provided with jack 5, can select to insert set of blades or hairbrush group according to the foreign material in slot; On installing rack 4, be also provided with giant 6.
Adopt that as above method and alloy steel composition are produced compares with common bucket tooth with the bucket tooth that cleans runner, hardness is 498HB, and tensile strength is 1803Mpa, anti-oxidantly promotes 32% with decay resistance, is common bucket tooth application life 2.1 times.
With a manufacture method of cleaning the wear-resistant bucket tooth of runner, concrete steps are as follows:
A, alloy steel melting, molten steel is just made steel
In 400Kg medium-frequency induction furnace, add steel scrap, to form as early as possible molten bath, NiFe, MnFe are directly added in the molten steel of fusing, after molten steel melts clearly, add FeSi, stir molten steel, after composition adjustment in stokehold is qualified, temperature rises to 1590 ℃; Add other raw material except Ti and B, 1540 ℃ of smelting temperatures, divide TiFe and BFe to be broken into fritter and to be heated to 400 ℃, insert molten steel and carry out Combined Processing; Use low-carbon (LC) slag former to carry out slag making, the nozzle by furnace bottom is blown into molten bath by Ar simultaneously, stirs molten steel and carries out just refining;
B, external refining, ladle wire feeding
By the molten steel of just refining vacuum, contain inert gas container in carry out degassed, deoxidation, the field trash of removing in molten steel carries out trimming, forms ladle; Pulvis by wire feeder to deoxidation, desulfurization and the fine setting composition of iron sheet parcel for feeding in ladle;
C, crown casting and heat treatment
Molten steel tapping temperature is about 1650 ℃, and molten steel, after calm approximately 3 minutes, in crown mould, pours into crown by the alloy steel pouring molten steel of 1500 ℃; By 65 ℃/h, in electric furnace, be warming up to 880 ℃, insulation 4h, stove is chilled to room temperature; By 85 ℃/h, be warming up to 820 ℃, insulation 3h, crown come out of the stove after in 65 ℃ of water, be quenched to 260 ℃; In electric furnace, be warming up to 300 ℃ and carry out lonneal processing, insulation 4h, the air cooling of coming out of the stove;
D, matrix are smelted
Use intermediate frequency furnace to carry out melting to the material for the production of body portion, intermediate frequency furnace is rapidly heated, in 1.5 hours, furnace charge is melted completely, be incubated 1 hour, carry out spheroidising and inoculation, form the iron liquid of making matrix;
E, making bucket tooth, carry out the demoulding
The crown processing is carried out to the pre-heat treatment, and 520 ℃ of temperature, are fixed on the bottom of polystyrene mould, leave interval between crown, iron liquid casting are entered to fix in the mould of crown, afterwards the at room temperature demoulding;
F, annealing
Bucket tooth after the demoulding is heated to 960 ℃, is incubated 5 hours, then the speed with 45 ℃/h is cooled to 700 ℃, comes out of the stove and carries out air cooling;
Runner is cleaned in g, installation
Install and clean roller, adjust the position of runner jack, make it corresponding with slot.
The material of crown is alloy steel, and each composition mass percent is: C:0.6%, Si:2.5%, Mn:1.8%, Nb:0.1%, Ti:0.2%, Ni:0.25%, Al:0.15%, Zn:0.2%, Cr:2.1%, B:0.007%, V:0.1%, Sn:0.025%, S:0.02%, P:0.03%, all the other are Fe; The material of body portion is nodular graphite iron, and each composition mass percent is: C:3.65%, Si:2.3%, Mn:0.4%, Cr: 0.45%, Nb:0.06%, Ni:0.7%, Mg:0.05%, Cu:0.7%, Al:0.15%, Zn:0.2%, Pb:0.01%, W:0.3%, S:0.01%, P:0.01%, all the other are Fe.
If Fig. 1 is a kind of wear-resistant bucket tooth with cleaning runner of manufacturing according to the method described above, comprises crown 1, matrix 2 and clean runner 3; Clean runner 3 and use installing racks 4 to be fixed on crown 1 root, and its inside is provided with motor, surface is provided with jack 5, can select to insert set of blades or hairbrush group according to the foreign material in slot; On installing rack 4, be also provided with giant 6.
Adopt that as above method and alloy steel composition are produced compares with common bucket tooth with the bucket tooth that cleans runner, hardness is 512HB, and tensile strength is 1860Mpa, anti-oxidantly promotes 36% with decay resistance, is common bucket tooth application life 2.4 times.
The disclosed technological means of the present invention program is not limited only to the disclosed technological means of above-mentioned embodiment, also comprises the technical scheme being comprised of above technical characterictic.
Claims (3)
1. with a manufacture method of cleaning the wear-resistant bucket tooth of runner, it is characterized in that: concrete steps are as follows:
A, alloy steel melting, molten steel is just made steel
In 400Kg medium-frequency induction furnace, add steel scrap, to form as early as possible molten bath, NiFe, MnFe are directly added in the molten steel of fusing, after molten steel melts clearly, add FeSi, stir molten steel, after composition adjustment in stokehold is qualified, temperature rises to 1540-1590 ℃; Add other raw material except Ti and B, smelting temperature 1470-1540 ℃, divides TiFe and BFe to be broken into fritter and to be heated to 400 ℃, inserts molten steel and carries out Combined Processing; Use low-carbon (LC) slag former to carry out slag making, the nozzle by furnace bottom is blown into molten bath by Ar simultaneously, stirs molten steel and carries out just refining;
B, external refining, ladle wire feeding
By the molten steel of just refining vacuum, contain inert gas container in carry out degassed, deoxidation, the field trash of removing in molten steel carries out trimming, forms ladle; Pulvis by wire feeder to deoxidation, desulfurization and the fine setting composition of iron sheet parcel for feeding in ladle;
C, crown casting and heat treatment
Molten steel tapping temperature is about 1550-1650 ℃, and molten steel, after calm about 2-3 minute, in crown mould, pours into crown by the alloy steel pouring molten steel of 1450-1500 ℃; By not being warming up to 820-880 ℃ higher than 65 ℃/h in electric furnace, insulation 4h, stove is chilled to room temperature; By not being warming up to 750-820 ℃ higher than 85 ℃/h, insulation 3h, crown come out of the stove after in 55-65 ℃ of water, be quenched to 210-260 ℃; In electric furnace, be warming up to 250-300 ℃ and carry out lonneal processing, insulation 4h, the air cooling of coming out of the stove;
D, matrix are smelted
Use intermediate frequency furnace to carry out melting to the material for the production of body portion, intermediate frequency furnace is rapidly heated, in 1.5 hours, furnace charge is melted completely, be incubated 1 hour, carry out spheroidising and inoculation, form the iron liquid of making matrix;
E, making bucket tooth, carry out the demoulding
The crown processing is carried out to the pre-heat treatment, and temperature 450-520 ℃, is fixed on the bottom of polystyrene mould, leaves interval between crown, iron liquid casting is entered to fix in the mould of crown, afterwards the at room temperature demoulding;
F, annealing
Bucket tooth after the demoulding is heated to 860-960 ℃, insulation 4-5 hour, then the speed with 45 ℃/h is cooled to 600-700 ℃, comes out of the stove and carries out air cooling;
Runner is cleaned in g, installation
Install and clean roller, adjust the position of runner jack, make it corresponding with slot.
2. a kind of manufacture method with cleaning the wear-resistant bucket tooth of runner according to claim 1, is characterized in that: the material of described crown is alloy steel, and each composition mass percent is: C:0.4-0.6%, Si:2.2-2.5%, Mn:1.3-1.8%, Nb:0.1%, Ti:0.15-0.2%, Ni:0.1-0.25%, Al:0.12-0.15%, Zn:0.15-0.2%, Cr:1.5-2.1%, B:0.003-0.007%, V:0.05-0.1%, Sn:0.025%, S≤0.02%, P≤0.03%, all the other are Fe; The material of body portion is nodular graphite iron, and each composition mass percent is: C:3.55-3.65%, Si:2.1-2.3%, Mn:0.2-0.4%, Cr: 0.35-0.45%, Nb:0.06%, Ni:0.5-0.7%, Mg:0.04-0.05%, Cu:0.7%, Al:0.12-0.15%, Zn:0.15-0.2%, Pb:0.01%, W:0.25-0.3%, S≤0.01%, P≤0.01%, all the other are Fe.
3. a kind of manufacture method with cleaning the wear-resistant bucket tooth of runner according to claim 1, it is characterized in that: described cleaning runner (3) uses installing rack (4) to be fixed on crown (1) root, and its inside is provided with motor, surface is provided with jack (5), can select to insert set of blades or hairbrush group according to the foreign material in slot, on the installing rack (4) of cleaning runner (3), also be provided with giant (6).
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| CN104846871A (en) * | 2015-05-05 | 2015-08-19 | 柳州金特新型耐磨材料股份有限公司 | Wear-resisting bucket tooth for loader |
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| CN107312913A (en) * | 2017-08-30 | 2017-11-03 | 宁波吉威熔模铸造有限公司 | A kind of preparation method of excavator bucket teeth |
| CN109772773A (en) * | 2019-01-25 | 2019-05-21 | 宁波吉威熔模铸造有限公司 | A kind of excavator with automatic cleaning function |
| CN110586875A (en) * | 2019-08-29 | 2019-12-20 | 贵州安吉航空精密铸造有限责任公司 | Casting forming process of alloy material casting |
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2013
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| CN104264063A (en) * | 2014-09-09 | 2015-01-07 | 董春年 | Processing method of mine bucket teeth |
| CN104646424A (en) * | 2015-01-27 | 2015-05-27 | 娄底市鸿亿新型耐磨材料厂（普通合伙） | Wear-resistant alloy grooved steel bushing combined roller and manufacturing method thereof |
| CN104646424B (en) * | 2015-01-27 | 2016-08-17 | 娄底市鸿亿新型耐磨材料厂（普通合伙） | Wear-resistant alloy grooved steel bushing combined roller and manufacturing method thereof |
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| CN104846179A (en) * | 2015-05-05 | 2015-08-19 | 柳州金特新型耐磨材料股份有限公司 | Thermal treatment method of wear-resistant steel main knife board for land leveler |
| CN105349903A (en) * | 2015-10-28 | 2016-02-24 | 安徽省三方新材料科技有限公司 | High-chromium and high-carbon-steel abrasion-resisting bucket tooth holder |
| CN105780843A (en) * | 2016-04-21 | 2016-07-20 | 张景志 | Composite embedding electric bucket tooth and manufacturing method thereof |
| CN105780843B (en) * | 2016-04-21 | 2018-05-18 | 河北顶立机械科技有限公司 | A kind of compound castingin electric bucket tooth and preparation method thereof |
| CN107312913A (en) * | 2017-08-30 | 2017-11-03 | 宁波吉威熔模铸造有限公司 | A kind of preparation method of excavator bucket teeth |
| CN109772773A (en) * | 2019-01-25 | 2019-05-21 | 宁波吉威熔模铸造有限公司 | A kind of excavator with automatic cleaning function |
| CN110586875A (en) * | 2019-08-29 | 2019-12-20 | 贵州安吉航空精密铸造有限责任公司 | Casting forming process of alloy material casting |
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