CN105414533A - Heat-resisting high-toughness coating abrasion-resisting ball and preparation method thereof - Google Patents
Heat-resisting high-toughness coating abrasion-resisting ball and preparation method thereof Download PDFInfo
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- CN105414533A CN105414533A CN201510759818.6A CN201510759818A CN105414533A CN 105414533 A CN105414533 A CN 105414533A CN 201510759818 A CN201510759818 A CN 201510759818A CN 105414533 A CN105414533 A CN 105414533A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/16—Casting in, on, or around objects which form part of the product for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/20—Disintegrating members
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/10—Cast-iron alloys containing aluminium or silicon
Abstract
The invention discloses a heat-resisting high-toughness coating abrasion-resisting ball which comprises an abrasion-resisting ball inner layer and an abrasion-resisting ball outer layer. Raw materials of the abrasion-resisting ball inner layer comprise, by weight, 10-20 parts of scrap steel, 5-15 parts of ferrochrome, 2-8 parts of rare earth alloy, 2-5 parts of pig iron, 3-9 parts of manganese ingots, 2-5 parts of borax, 1-5 parts of iron ingots, 2-6 parts of titanium ingots, 3-8 parts of carbon powder and 4-9 parts of silica powder. Raw materials of the abrasion-resisting ball outer layer (2) comprise, by weight, 8-16 parts of magnesium powder, 1-5 parts of lithium ingots, 2-6 parts of chromium ingots, 4-8 parts of manganese ingots, 2-7 parts of cobalt ingots and 4-9 parts of vanadium ingots. The abrasion-resisting ball is high in toughness and good in heat resisting performance.
Description
Technical field
The present invention relates to wear-resistant ball field, particularly relate to a kind of heat-resisting high tenacity coating wear-resistant ball and preparation method thereof.
Background technology
Antifriction alloy cast ball refers to for the crushing medium in ball mill, for the material in crushing mill.Have two kinds of forms at present: one is, being that the white cast-iron of main alloy element is called for short chrome alloy cast iron with chromium, is that the cast grinding ball of material is called chromium alloy iron casting abrading ball with chrome alloy cast iron; Two are, are that the cast grinding ball of material is called ductile iron abrading-ball with spheroidal graphite cast-iron, and the ductile iron abrading-ball of the matrix wherein obtained by heat treatment mainly bainite is called for short bainite ductile iron abrading-ball; The matrix obtained by heat treatment mainly martensitic ductile iron abrading-ball is called for short martensite nodular cast iron grinding ball.
Due to wear-resistant ball in use, residing environment is mostly the environment of high temperature, and for the heat resistance of wear-resistant ball, and the toughness reguirements of wear-resistant ball is very high, and wear-resistant ball of the prior art cannot meet the requirement in actual production.
Summary of the invention
For solving the technical problem existed in background technology, the present invention proposes a kind of heat-resisting high tenacity coating wear-resistant ball, and toughness is high, has excellent heat resistance.
The one heat-resisting high tenacity coating wear-resistant ball that the present invention proposes, comprise wear-resistant ball internal layer and wear-resistant ball skin, the raw material of wear-resistant ball internal layer comprises by weight: steel scrap 10-20 part, ferrochrome 5-15 part, rare earth alloy 2-8 part, pig iron 2-5 part, manganese ingot 3-9 part, borax 2-5 part, ingot iron 1-5 part, titanium ingot 2-6 part, carbon dust 3-8 part, silica flour 4-9 part; The raw material of wear-resistant ball skin (2) comprises by weight: magnesium powder 8-16 part, lithium ingot 1-5 part, chromium ingot 2-6 part, manganese ingot 4-8 part, cobalt ingot 2-7 part, vanadium ingot 4-9 part.
Preferably, the raw material of wear-resistant ball internal layer comprises by weight: steel scrap 12-18 part, ferrochrome 8-12 part, rare earth alloy 3-7 part, pig iron 3-4 part, manganese ingot 4-8 part, borax 3-4 part, ingot iron 2-4 part, titanium ingot 3-5 part, carbon dust 4-7 part, silica flour 5-8 part.
Preferably, the raw material of wear-resistant ball internal layer comprises by weight: steel scrap 13-17 part, ferrochrome 9-11 part, rare earth alloy 4-6 part, pig iron 3.2-3.8 part, manganese ingot 5-7 part, borax 3.2-3.8 part, ingot iron 2.5-3.5 part, titanium ingot 3.5-4.5 part, carbon dust 5-6 part, silica flour 6-7 part.
Preferably, the raw material of wear-resistant ball internal layer comprises by weight: steel scrap 15 parts, ferrochrome 10 parts, rare earth alloy 5 parts, the pig iron 3.5 parts, 6 parts, manganese ingot, borax 3.5 parts, ingot iron 3 parts, 4 parts, titanium ingot, carbon dust 5.5 parts, silica flour 6.5 parts.
Preferably, the outer field raw material of wear-resistant ball comprises by weight: magnesium powder 9-15 part, lithium ingot 2-4 part, chromium ingot 3-5 part, manganese ingot 5-7 part, cobalt ingot 3-6 part, vanadium ingot 5-8 part.
Preferably, the outer field raw material of wear-resistant ball comprises by weight: magnesium powder 10-14 part, lithium ingot 3-4.5 part, chromium ingot 3.5-5.5 part, manganese ingot 5.5-6.5 part, cobalt ingot 4-6 part, vanadium ingot 6-7 part.
Preferably, the outer field raw material of wear-resistant ball comprises by weight: 12 parts, magnesium powder, 3 parts, lithium ingot, 4 parts, chromium ingot, 6 parts, manganese ingot, 4.5 parts, cobalt ingot, 6.5 parts, vanadium ingot.
The preparation method of a kind of heat-resisting high tenacity coating wear-resistant ball that the present invention proposes, comprises the steps:
S1, by steel scrap, ferrochrome, rare earth alloy, the pig iron, manganese ingot, borax, ingot iron, titanium ingot, carbon dust and silica flour mix after carry out melting, refining desulfuration, deoxidation, cast, after casting, cleaning, obtain foundry goods;
S2, by the foundry goods that obtains in S1 at 950 DEG C-1050 DEG C preheating 35-45min, then heat 40-45min, insulation 2-3h, then in clear water, carry out precooling treatment, the time of precooling treatment is 8-16min, and the temperature of clear water is 42-48 DEG C;
S3, precooling in S2 is terminated after foundry goods be placed in saline solution and carry out Quenching Treatment, hardening heat is 760-780 DEG C, cool time is 10-20min, foundry goods after quenching is warming up to 180-210 DEG C and carries out temper, tempering time is 5-6h, then obtains wear-resistant ball internal layer after cool to room temperature;
S4, by magnesium powder, lithium ingot, chromium ingot, manganese ingot, cobalt ingot, melting is carried out after the mixing of vanadium ingot, refining desulfuration, deoxidation, be cast in S3 the periphery obtaining wear-resistant ball internal layer, after casting, cleaning, obtain foundry goods, then by foundry goods at 950 DEG C-1050 DEG C preheating 35-45min, then 40-45min is heated, insulation 2-3h, then in clear water, precooling treatment is carried out, the time of precooling treatment is 8-16min, the temperature of clear water is 42-48 DEG C, then be placed in saline solution and carry out Quenching Treatment, hardening heat is 760-780 DEG C, cool time is 10-20min, foundry goods after quenching is warming up to 180-210 DEG C and carries out temper, tempering time is 5-6h, then heat-resisting high tenacity coating wear-resistant ball is obtained after cool to room temperature.
One of the present invention heat-resisting high tenacity coating wear-resistant ball, by changing traditional disposable melting, the processing modes such as cast, by being divided into by wear-resistant ball internal layer and skin to carry out pouring into a mould step by step, not only can effectively reduce production cost, and by changing the raw material of ectonexine, make the ectonexine of wear-resistant ball have different performances, internal layer in use, its impact resistance and hardness requirement high, skin in use, heat resistance and toughness reguirements high.By changing the composition of raw materials of ectonexine, making wear-resistant ball of the present invention not only have high rigidity and high strength, also there is excellent heat resistance and toughness simultaneously.Wherein, the raw material of wear-resistant ball internal layer comprises: steel scrap, ferrochrome, rare earth alloy, the pig iron, manganese ingot, borax, ingot iron, titanium ingot, carbon dust and silica flour, by the proportioning of conservative control raw material, makes wear-resistant ball internal layer have excellent hardness and intensity; The outer field raw material of wear-resistant ball comprises by weight: magnesium powder, lithium ingot, chromium ingot, manganese ingot, cobalt ingot and vanadium ingot, the proportioning of conservative control raw material, makes wear-resistant ball skin have excellent heat resistance and toughness.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail; should understand; embodiment is only for illustration of the present invention, instead of for limiting the present invention, any amendment, equivalent replacement etc. made on basis of the present invention is all in protection scope of the present invention.
Embodiment 1
The preparation method of a kind of heat-resisting high tenacity coating wear-resistant ball that the present invention proposes, comprises the steps:
S1, carry out melting by after the mixing of 15 parts of steel scraps, 10 parts of ferrochromes, 5 parts of rare earth alloies, 3.5 parts of pig iron, 6 parts of manganese ingots, 3.5 parts of boraxs, 3 parts of ingot irons, 4 parts of titanium ingots, 5.5 parts of carbon dusts and 6.5 parts of silica flours by weight, refining desulfuration, deoxidation, cast, after casting, cleaning, obtains foundry goods;
S2, by the foundry goods that obtains in S1 at 1000 DEG C of preheating 40min, then heat 42.5min, insulation 2.5h, then in clear water, carry out precooling treatment, the time of precooling treatment is 12min, and the temperature of clear water is 45 DEG C;
S3, precooling in S2 is terminated after foundry goods be placed in saline solution and carry out Quenching Treatment, hardening heat is 770 DEG C, and the cool time is 15min, the foundry goods after quenching is warming up to 195 DEG C and carries out temper, tempering time is 5.5h, then obtains wear-resistant ball internal layer after cool to room temperature;
S4, by 12 parts of magnesium powder, 3 parts of lithium ingots, 4 parts of chromium ingots, 6 parts of manganese ingots, 4.5 parts of cobalt ingots, melting is carried out after 6.5 parts of vanadium ingot mixing, refining desulfuration, deoxidation, be cast in S3 the periphery obtaining wear-resistant ball internal layer, after casting, cleaning, obtain foundry goods, then by foundry goods at 1000 DEG C of preheating 40min, then 42.5min is heated, insulation 2.5h, then in clear water, precooling treatment is carried out, the time of precooling treatment is 12min, the temperature of clear water is 45 DEG C, then be placed in saline solution and carry out Quenching Treatment, hardening heat is 770 DEG C, cool time is 15min, foundry goods after quenching is warming up to 195 DEG C and carries out temper, tempering time is 5.5h, then heat-resisting high tenacity coating wear-resistant ball is obtained after cool to room temperature.
Embodiment 2
The preparation method of a kind of heat-resisting high tenacity coating wear-resistant ball that the present invention proposes, comprises the steps:
S1, carry out melting by after the mixing of 10 parts of steel scraps, 15 parts of ferrochromes, 2 parts of rare earth alloies, 5 parts of pig iron, 3 parts of manganese ingots, 5 parts of boraxs, 1 part of ingot iron, 6 parts of titanium ingots, 3 parts of carbon dusts and 9 parts of silica flours by weight, refining desulfuration, deoxidation, cast, after casting, cleaning, obtains foundry goods;
S2, by the foundry goods that obtains in S1 at 950 DEG C of preheating 45min, then heat 40min, insulation 3h, then in clear water, carry out precooling treatment, the time of precooling treatment is 8min, and the temperature of clear water is 48 DEG C;
S3, precooling in S2 is terminated after foundry goods be placed in saline solution and carry out Quenching Treatment, hardening heat is 760 DEG C, and the cool time is 20min, the foundry goods after quenching is warming up to 180 DEG C and carries out temper, tempering time is 6h, then obtains wear-resistant ball internal layer after cool to room temperature;
S4, by 8 parts of magnesium powder, 5 parts of lithium ingots, 2 parts of chromium ingots, 8 parts of manganese ingots, 2 parts of cobalt ingots, melting is carried out after 9 parts of vanadium ingot mixing, refining desulfuration, deoxidation, be cast in S3 the periphery obtaining wear-resistant ball internal layer, after casting, cleaning, obtain foundry goods, then by foundry goods at 950 DEG C of preheating 45min, then 40min is heated, insulation 3h, then in clear water, precooling treatment is carried out, the time of precooling treatment is 8min, the temperature of clear water is 48 DEG C, then be placed in saline solution and carry out Quenching Treatment, hardening heat is 760 DEG C, cool time is 20min, foundry goods after quenching is warming up to 180 DEG C and carries out temper, tempering time is 6h, then heat-resisting high tenacity coating wear-resistant ball is obtained after cool to room temperature.
Embodiment 3
The preparation method of a kind of heat-resisting high tenacity coating wear-resistant ball that the present invention proposes, comprises the steps:
S1, carry out melting by after the mixing of 20 parts of steel scraps, 5 parts of ferrochromes, 8 parts of rare earth alloies, 2 parts of pig iron, 9 parts of manganese ingots, 2 parts of boraxs, 5 parts of ingot irons, 2 parts of titanium ingots, 8 parts of carbon dusts and 4 parts of silica flours by weight, refining desulfuration, deoxidation, cast, after casting, cleaning, obtains foundry goods;
S2, by the foundry goods that obtains in S1 at 1050 DEG C of preheating 35min, then heat 45min, insulation 2h, then in clear water, carry out precooling treatment, the time of precooling treatment is 16min, and the temperature of clear water is 42 DEG C;
S3, precooling in S2 is terminated after foundry goods be placed in saline solution and carry out Quenching Treatment, hardening heat is 780 DEG C, and the cool time is 10min, the foundry goods after quenching is warming up to 210 DEG C and carries out temper, tempering time is 5h, then obtains wear-resistant ball internal layer after cool to room temperature;
S4, by 16 parts of magnesium powder, 1 part of lithium ingot, 6 parts of chromium ingots, 4 parts of manganese ingots, 7 parts of cobalt ingots, melting is carried out after 4 parts of vanadium ingot mixing, refining desulfuration, deoxidation, be cast in S3 the periphery obtaining wear-resistant ball internal layer, after casting, cleaning, obtain foundry goods, then by foundry goods at 1050 DEG C of preheating 35min, then 45min is heated, insulation 2h, then in clear water, precooling treatment is carried out, the time of precooling treatment is 16min, the temperature of clear water is 42 DEG C, then be placed in saline solution and carry out Quenching Treatment, hardening heat is 780 DEG C, cool time is 10min, foundry goods after quenching is warming up to 210 DEG C and carries out temper, tempering time is 5h, then heat-resisting high tenacity coating wear-resistant ball is obtained after cool to room temperature.
Embodiment 4
The preparation method of a kind of heat-resisting high tenacity coating wear-resistant ball that the present invention proposes, comprises the steps:
S1, carry out melting by after the mixing of 13 parts of steel scraps, 11 parts of ferrochromes, 4 parts of rare earth alloies, 3.8 parts of pig iron, 5 parts of manganese ingots, 3.8 parts of boraxs, 2.5 parts of ingot irons, 4.5 parts of titanium ingots, 5 parts of carbon dusts and 7 parts of silica flours by weight, refining desulfuration, deoxidation, cast, after casting, cleaning, obtains foundry goods;
S2, by the foundry goods that obtains in S1 at 980 DEG C of preheating 42min, then heat 41min, insulation 2.8h, then in clear water, carry out precooling treatment, the time of precooling treatment is 10min, and the temperature of clear water is 46 DEG C;
S3, precooling in S2 is terminated after foundry goods be placed in saline solution and carry out Quenching Treatment, hardening heat is 765 DEG C, and the cool time is 18min, the foundry goods after quenching is warming up to 185 DEG C and carries out temper, tempering time is 5.8h, then obtains wear-resistant ball internal layer after cool to room temperature;
S4, by 9 parts of magnesium powder, 4 parts of lithium ingots, 3 parts of chromium ingots, 7 parts of manganese ingots, 3 parts of cobalt ingots, melting is carried out after 8 parts of vanadium ingot mixing, refining desulfuration, deoxidation, be cast in S3 the periphery obtaining wear-resistant ball internal layer, after casting, cleaning, obtain foundry goods, then by foundry goods at 955 DEG C of preheating 42min, then 42min is heated, insulation 2.8h, then in clear water, precooling treatment is carried out, the time of precooling treatment is 10min, the temperature of clear water is 46 DEG C, then be placed in saline solution and carry out Quenching Treatment, hardening heat is 765 DEG C, cool time is 18min, foundry goods after quenching is warming up to 185 DEG C and carries out temper, tempering time is 5.8h, then heat-resisting high tenacity coating wear-resistant ball is obtained after cool to room temperature.
Embodiment 5
The preparation method of a kind of heat-resisting high tenacity coating wear-resistant ball that the present invention proposes, comprises the steps:
S1, carry out melting by after the mixing of 17 parts of steel scraps, 9 parts of ferrochromes, 6 parts of rare earth alloies, 3.2 parts of pig iron, 7 parts of manganese ingots, 3.2 parts of boraxs, 3.5 parts of ingot irons, 3.5 parts of titanium ingots, 6 parts of carbon dusts and 6 parts of silica flours by weight, refining desulfuration, deoxidation, cast, after casting, cleaning, obtains foundry goods;
S2, by the foundry goods that obtains in S1 at 1020 DEG C of preheating 38min, then heat 44min, insulation 2.2h, then in clear water, carry out precooling treatment, the time of precooling treatment is 14min, and the temperature of clear water is 44 DEG C;
S3, precooling in S2 is terminated after foundry goods be placed in saline solution and carry out Quenching Treatment, hardening heat is 775 DEG C, and the cool time is 12min, the foundry goods after quenching is warming up to 205 DEG C and carries out temper, tempering time is 5.2h, then obtains wear-resistant ball internal layer after cool to room temperature;
S4, by 15 parts of magnesium powder, 2 parts of lithium ingots, 5 parts of chromium ingots, 5 parts of manganese ingots, 6 parts of cobalt ingots, melting is carried out after 5 parts of vanadium ingot mixing, refining desulfuration, deoxidation, be cast in S3 the periphery obtaining wear-resistant ball internal layer, after casting, cleaning, obtain foundry goods, then by foundry goods at 1045 DEG C of preheating 38min, then 43min is heated, insulation 2.2h, then in clear water, precooling treatment is carried out, the time of precooling treatment is 14min, the temperature of clear water is 44 DEG C, then be placed in saline solution and carry out Quenching Treatment, hardening heat is 775 DEG C, cool time is 12min, foundry goods after quenching is warming up to 205 DEG C and carries out temper, tempering time is 5.2h, then heat-resisting high tenacity coating wear-resistant ball is obtained after cool to room temperature.
The above; be only the present invention's preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (8)
1. a heat-resisting high tenacity coating wear-resistant ball, it is characterized in that, comprise wear-resistant ball internal layer (1) and wear-resistant ball skin (2), the raw material of wear-resistant ball internal layer (1) comprises by weight: steel scrap 10-20 part, ferrochrome 5-15 part, rare earth alloy 2-8 part, pig iron 2-5 part, manganese ingot 3-9 part, borax 2-5 part, ingot iron 1-5 part, titanium ingot 2-6 part, carbon dust 3-8 part, silica flour 4-9 part; The raw material of wear-resistant ball skin (2) comprises by weight: magnesium powder 8-16 part, lithium ingot 1-5 part, chromium ingot 2-6 part, manganese ingot 4-8 part, cobalt ingot 2-7 part, vanadium ingot 4-9 part.
2. heat-resisting high tenacity coating wear-resistant ball according to claim 1, it is characterized in that, the raw material of wear-resistant ball internal layer (1) comprises by weight: steel scrap 12-18 part, ferrochrome 8-12 part, rare earth alloy 3-7 part, pig iron 3-4 part, manganese ingot 4-8 part, borax 3-4 part, ingot iron 2-4 part, titanium ingot 3-5 part, carbon dust 4-7 part, silica flour 5-8 part.
3. heat-resisting high tenacity coating wear-resistant ball according to claim 1 and 2, it is characterized in that, the raw material of wear-resistant ball internal layer (1) comprises by weight: steel scrap 13-17 part, ferrochrome 9-11 part, rare earth alloy 4-6 part, pig iron 3.2-3.8 part, manganese ingot 5-7 part, borax 3.2-3.8 part, ingot iron 2.5-3.5 part, titanium ingot 3.5-4.5 part, carbon dust 5-6 part, silica flour 6-7 part.
4. the heat-resisting high tenacity coating wear-resistant ball according to any one of claim 1-3, it is characterized in that, the raw material of wear-resistant ball internal layer (1) comprises by weight: steel scrap 15 parts, ferrochrome 10 parts, rare earth alloy 5 parts, the pig iron 3.5 parts, 6 parts, manganese ingot, borax 3.5 parts, ingot iron 3 parts, 4 parts, titanium ingot, carbon dust 5.5 parts, silica flour 6.5 parts.
5. the heat-resisting high tenacity coating wear-resistant ball according to any one of claim 1-4, it is characterized in that, the outer field raw material of wear-resistant ball comprises by weight: magnesium powder 9-15 part, lithium ingot 2-4 part, chromium ingot 3-5 part, manganese ingot 5-7 part, cobalt ingot 3-6 part, vanadium ingot 5-8 part.
6. the heat-resisting high tenacity coating wear-resistant ball according to any one of claim 1-5, it is characterized in that, the outer field raw material of wear-resistant ball comprises by weight: magnesium powder 10-14 part, lithium ingot 3-4.5 part, chromium ingot 3.5-5.5 part, manganese ingot 5.5-6.5 part, cobalt ingot 4-6 part, vanadium ingot 6-7 part.
7. the heat-resisting high tenacity coating wear-resistant ball according to any one of claim 1-6, it is characterized in that, the outer field raw material of wear-resistant ball comprises by weight: 12 parts, magnesium powder, 3 parts, lithium ingot, 4 parts, chromium ingot, 6 parts, manganese ingot, 4.5 parts, cobalt ingot, 6.5 parts, vanadium ingot.
8. a preparation method for the heat-resisting high tenacity coating wear-resistant ball according to any one of claim 1-7, is characterized in that, comprise the steps:
S1, by steel scrap, ferrochrome, rare earth alloy, the pig iron, manganese ingot, borax, ingot iron, titanium ingot, carbon dust and silica flour mix after carry out melting, refining desulfuration, deoxidation, cast, after casting, cleaning, obtain foundry goods;
S2, by the foundry goods that obtains in S1 at 950 DEG C-1050 DEG C preheating 35-45min, then heat 40-45min, insulation 2-3h, then in clear water, carry out precooling treatment, the time of precooling treatment is 8-16min, and the temperature of clear water is 42-48 DEG C;
S3, precooling in S2 is terminated after foundry goods be placed in saline solution and carry out Quenching Treatment, hardening heat is 760-780 DEG C, cool time is 10-20min, foundry goods after quenching is warming up to 180-210 DEG C and carries out temper, tempering time is 5-6h, then obtains wear-resistant ball internal layer after cool to room temperature;
S4, by magnesium powder, lithium ingot, chromium ingot, manganese ingot, cobalt ingot, melting is carried out after the mixing of vanadium ingot, refining desulfuration, deoxidation, be cast in S3 the periphery obtaining wear-resistant ball internal layer, after casting, cleaning, obtain foundry goods, then by foundry goods at 950 DEG C-1050 DEG C preheating 35-45min, then 40-45min is heated, insulation 2-3h, then in clear water, precooling treatment is carried out, the time of precooling treatment is 8-16min, the temperature of clear water is 42-48 DEG C, then be placed in saline solution and carry out Quenching Treatment, hardening heat is 760-780 DEG C, cool time is 10-20min, foundry goods after quenching is warming up to 180-210 DEG C and carries out temper, tempering time is 5-6h, then heat-resisting high tenacity coating wear-resistant ball is obtained after cool to room temperature.
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| CN105855516A (en) * | 2016-06-20 | 2016-08-17 | 马鞍山市益丰实业集团有限公司 | Preparation method of thermal power generation carburization wear-resisting ball |
| CN106086603A (en) * | 2016-06-20 | 2016-11-09 | 马鞍山市益丰实业集团有限公司 | A kind of can secondary utilize wear-resistant ball preparation method |
| CN106868396A (en) * | 2016-12-27 | 2017-06-20 | 芜湖倍思科创园有限公司 | A kind of heat-resisting high-toughness wear-resistant ball and preparation method thereof |
| CN110616305A (en) * | 2019-10-28 | 2019-12-27 | 徐州彭圆锻造有限公司 | Heat treatment process of spherical metal piece |
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| DE2310316B2 (en) * | 1972-03-06 | 1975-03-13 | Taiheiyo Kinzoku K.K., Tokio | Process for the production of cast iron grinding balls |
| CN102896025A (en) * | 2011-12-15 | 2013-01-30 | 河南科技大学东海硅产业节能技术研究院 | Composite grinding ball |
| CN104275470A (en) * | 2014-05-24 | 2015-01-14 | 宁国市南方耐磨材料有限公司 | Polyhedral wear-resistant body |
| CN104275230A (en) * | 2014-05-24 | 2015-01-14 | 宁国市南方耐磨材料有限公司 | High-rigidity coating wear-resisting ball |
| CN104087844A (en) * | 2014-08-01 | 2014-10-08 | 宁国市南方耐磨材料有限公司 | High-chromium steel ball for ball mill |
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| CN105855516A (en) * | 2016-06-20 | 2016-08-17 | 马鞍山市益丰实业集团有限公司 | Preparation method of thermal power generation carburization wear-resisting ball |
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