CN101974717A - Mandril for copper alloy pipe planetary rolling mill and manufacturing method thereof - Google Patents
Mandril for copper alloy pipe planetary rolling mill and manufacturing method thereof Download PDFInfo
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- CN101974717A CN101974717A CN 201010550626 CN201010550626A CN101974717A CN 101974717 A CN101974717 A CN 101974717A CN 201010550626 CN201010550626 CN 201010550626 CN 201010550626 A CN201010550626 A CN 201010550626A CN 101974717 A CN101974717 A CN 101974717A
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Abstract
The invention relates to a mandril for a copper alloy pipe planetary rolling mill, which comprises the following components of 35 to 40wt% of nickel, 19 to 21wt% of chromium, 9 to 12wt% of molybdenum, 0.8 to 1.8wt% of manganese, 1.2 to 1.5wt% of titanium, 0.1 to 0.5wt% of vanadium, 0.05 to 0.2wt% of aluminum and the balance ferrum. The mandril material of the invention is an alloy with the nickel as the main material and has the advantages of good high temperature resistance performance, high strength, good flexibility, no invalidation or chap when working at the temperature of 900 to 1000 DEG C for a long time, requirement satisfaction of the temperature of planetary rolling copper alloys, simple preparation technology, easy operation, in particular to the aspects of gold processing, and processing time and cost saving.
Description
Technical field
The present invention relates to a kind of plug, especially a kind of copper alloy tube used for planetary rolling mill plug and manufacture method thereof.
Background technology
Copper-alloy pipe-material is indispensable critical materials such as condenser, water cooler, heat exchanger, its traditional processing mode is extruding, but lumber recovery is not high, at present domestic the beginning with the short flow process copper alloy coil pipe of planetary rolling production, on quality and price, has tangible competitive edge, but plug is difficult to bear intensity under high temperature more than 900 ℃ and not anti-rolling during the planetary rolling copper alloy tube, though at present best material H13 steel when rolling copper-nickel alloy alloy every use the life-span very short, this problem is perplexing the insider always.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of high temperature resistant, high-intensity copper alloy tube used for planetary rolling mill plug is provided.
According to technical scheme provided by the invention, consisting of of described copper alloy tube used for planetary rolling mill plug: nickel 35～40%, chromium 19～21%, molybdenum 9～12%, manganese 0.8～1.8%, titanium 1.2～1.5%, vanadium 0.1～0.5%, aluminium 0.05～0.2%, surplus are iron; Content≤0.08% of carbon in this mandrel material, content≤0.5% of impurity in this mandrel material; Unit is a weight percentage
The guiding awl that an end of described plug is a truncated cone-shaped, there is outside screw another end, is columniform calibrating strap between two ends, and is parallel to the loading and unloading rectangle of described plug axis near an externally threaded end setting at this calibrating strap.
Make the method for described copper alloy tube used for planetary rolling mill plug, be characterised in that, comprise following processing step:
(1) batching: the composition by plug is prepared burden; And make finally consisting of of described mandrel material: nickel 35～40%, chromium 19～21%, molybdenum 9～12%, manganese 0.8～1.8%, titanium 1.2～1.5%, vanadium 0.1～0.5%, aluminium 0.05～0.2%; Content≤0.08% of carbon in this mandrel material, content≤0.5% of impurity in this mandrel material, surplus is an iron; Unit is a weight percentage;
(2) vacuum induction melting: in the vacuum oven crucible, add sequentially: electrolytic nickel, chromium metal, manganese metal, molybdenum bar and carbon steel, the fusing back of heating up adds in Feeding box: titanium sponge, aluminium ingot and vanadium metal; The vacuum tightness of vacuum induction furnace is: 6.7 * 10
-1～1MPa; Smelting temperature is: 1630～1680 ℃, smelting time 6～15 minutes forms molten metal;
(3) water ingot mould: above-mentioned molten metal is emitted through insulation by pouring gate, and by insulation emit and ingot mould between filtering net be poured in the ingot mould after filtering, form ingot casting, pouring temperature is 1520～1550 ℃;
(4) sawing, forging: go out after the above-mentioned ingot casting that obtains is cooled to 200 ℃～300 ℃ in the ingot mould to take out, ingot casting is carried out sawing at the insulated feeder place, the following ingot casting of insulated feeder is heated to 1150～1180 ℃ and forges in process furnace, the ingot casting forging ratio is 5～6, obtains pole; The pole that obtains forges back entry solution treatment;
(5) after the size that the above-mentioned pole that obtains needing to be obtained through metalworking, heat-treat in heat treatment furnace, thermal treatment temp is 1080～1100 ℃, and heat treatment time is 25～28 minutes; After the thermal treatment, pole entry solid solution is obtained plug.
Mandrel material of the present invention is the alloy based on nickel, and resistance to elevated temperatures is good, and the intensity height does not lose snappiness again simultaneously, can work not lose efficacy for a long time under 900～1000 ℃ of temperature and not chap, and has satisfied the temperature requirement of planetary rolling copper alloy; And preparation technology is simple, and is easy to operate, especially operates easily aspect metalworking; Processing saves time province originally.
Description of drawings
Fig. 1 is the structural representation of plug.
Fig. 2 is the structural representation of ingot mould.
Embodiment
The invention will be further described below in conjunction with specific embodiment.
As shown in Figure 1: the guiding awl 1 that an end of described plug is a truncated cone-shaped, there is outside screw 4 another end, it between two ends columniform calibrating strap 2, and be parallel to the loading and unloading of described plug axis with rectangle 3, with the use of instruments such as convenient wrench near an end setting of outside screws 4 at this calibrating strap 2.
Embodiment one:
Chemical Composition (weight percentage, surplus are iron)
| Nickel | Chromium | Molybdenum | Manganese | Titanium | Vanadium | Aluminium |
| 35 | 19 | 9 | 0.8 | 1.2 | 0.1 | 0.05 |
A kind of method of making copper alloy tube used for planetary rolling mill plug comprises following processing step:
(1) batching: the composition by plug is prepared burden;
(2) vacuum induction melting: in the vacuum oven crucible, add sequentially: 1# electrolytic nickel, chromium metal, 1# manganese metal, molybdenum bar and 20# carbon steel, the fusing back of heating up adds in Feeding box: titanium sponge, A00 aluminium ingot and V-2 vanadium metal; The vacuum tightness of vacuum induction furnace is: 1MPa; Smelting temperature is: 1630 ℃, smelting time 15 minutes forms molten metal;
(3) water ingot mould: above-mentioned molten metal is emitted 6 by pouring gate 5 through insulation, and by insulation emit 6 and ingot mould 8 between filtering net 7 be poured in the ingot mould 8 after filtering, form ingot casting, pouring temperature is 1520 ℃;
(4) sawing, forging: go out after the above-mentioned ingot casting that obtains is cooled to 200 ℃ in the ingot mould to take out, ingot casting is carried out sawing at the insulated feeder place, the following ingot casting of insulated feeder is heated to 1150 ℃ and forges in process furnace, and the ingot casting forging ratio is 5, obtains pole; The pole that obtains forges back entry solution treatment;
(5) after the size that the above-mentioned pole that obtains needing to be obtained through metalworking, heat-treat in heat treatment furnace, thermal treatment temp is 1080 ℃, and heat treatment time is 28 minutes; After the thermal treatment, pole entry solid solution is obtained plug.
Embodiment two:
Chemical Composition (weight percentage, surplus are iron)
| Nickel | Chromium | Molybdenum | Manganese | Titanium | Vanadium | Aluminium |
| 40 | 21 | 12 | 1.8 | 1.5 | 0.5 | 0.2 |
A kind of method of making copper alloy tube used for planetary rolling mill plug comprises following processing step:
(1) batching: the composition by plug is prepared burden;
(2) vacuum induction melting: in the vacuum oven crucible, add sequentially: 1# electrolytic nickel, chromium metal, 1# manganese metal, molybdenum bar and 20# carbon steel, the fusing back of heating up adds in Feeding box: titanium sponge, A00 aluminium ingot and V-2 vanadium metal; The vacuum tightness of vacuum induction furnace is: 6.7 * 10
-1MPa; Smelting temperature is: 1680 ℃, smelting time 6 minutes forms molten metal;
(3) water ingot mould: above-mentioned molten metal is emitted 6 by pouring gate 5 through insulation, and by insulation emit 6 and ingot mould 8 between filtering net 7 be poured in the ingot mould 8 after filtering, form ingot casting, pouring temperature is 1550 ℃;
(4) sawing, forging: go out after the above-mentioned ingot casting that obtains is cooled to 300 ℃ in the ingot mould to take out, ingot casting is carried out sawing at the insulated feeder place, the following ingot casting of insulated feeder is heated to 1180 ℃ and forges in process furnace, and the ingot casting forging ratio is 6, obtains pole; The pole that obtains forges back entry solution treatment;
(5) after the size that the above-mentioned pole that obtains needing to be obtained through metalworking, heat-treat in heat treatment furnace, thermal treatment temp is 1100 ℃, and heat treatment time is 25 minutes; After the thermal treatment, pole entry solid solution is obtained plug.
Embodiment three:
Chemical Composition (weight percentage, surplus are iron)
| Nickel | Chromium | Molybdenum | Manganese | Titanium | Vanadium | Aluminium |
| 38 | 20 | 10 | 1.5 | 1.3 | 0.3 | 0.1 |
A kind of method of making copper alloy tube used for planetary rolling mill plug comprises following processing step:
(1) batching: the composition by plug is prepared burden;
(2) vacuum induction melting: in the vacuum oven crucible, add sequentially: 1# electrolytic nickel, chromium metal, 1# manganese metal, molybdenum bar and 20# carbon steel, the fusing back of heating up adds in Feeding box: titanium sponge, A00 aluminium ingot and V-2 vanadium metal; The vacuum tightness of vacuum induction furnace is: 8 * 10
-1MPa; Smelting temperature is: 1650 ℃, smelting time 10 minutes forms molten metal;
(3) water ingot mould: water ingot mould: above-mentioned molten metal is emitted 6 by pouring gate 5 through insulation, and by insulation emit 6 and ingot mould 8 between filtering net 7 be poured in the ingot mould 8 after filtering, form ingot casting, pouring temperature is 1530 ℃;
(4) sawing, forging: go out after the above-mentioned ingot casting that obtains is cooled to 250 ℃ in the ingot mould to take out, ingot casting is carried out sawing at the insulated feeder place, the following ingot casting of insulated feeder is heated to 1160 ℃ and forges in process furnace, and the ingot casting forging ratio is 6, obtains pole; The pole that obtains forges back entry solution treatment;
(5) after the size that the above-mentioned pole that obtains needing to be obtained through metalworking, heat-treat in heat treatment furnace, thermal treatment temp is 1090 ℃, and heat treatment time is 26 minutes; After the thermal treatment, pole entry solid solution is obtained plug.
From above-mentioned 3 embodiment as seen, plug of the present invention is the alloy based on nickel, and resistance to elevated temperatures is good, and the intensity height does not lose snappiness again simultaneously, can under 900～1000 ℃ of temperature, work not lose efficacy for a long time and not chap, satisfy the temperature requirement of planetary rolling copper alloy.
Plug of the present invention uses under High Temperature High Pressure, and die deformation and calibrating strap are slick all the time, can prevent effectively that simultaneously BFe30-1-1 copper-nickel alloy alloy is stained with the copper phenomenon on plug, has improved the inner surface quality of goods greatly.
Mould rolling BFe30-1-1 iron Alpaka tubing simultaneous test on planetary rolling that the mould of plug preparation of the present invention and traditional H13 heated die steel are made shows, has improved work-ing life more than 5 times.
Existing H13 steel can only be produced 8～15 tons and just scrap, and the mould calibrating strap obviously chaps, and the be full of cracks about dark 0.1～0.2mm is arranged, and makes product size can not get guaranteeing, endoporus has rough silk, can not effectively eliminate in the processing of road, back, and the finished product flaw detection is defective.
The mould that uses plug of the present invention to be processed into is being produced 50 ton hour inspections, and mould is good, and calibrating strap is smooth; Check mould calibrating strap fine cracks slightly under 5 times of magnifying glasses producing 60 ton hours, the product surface size can guarantee that internal surface be can't see wire drawing, product be worked into detect a flaw qualified; Increase producing the crackle product surface wire drawing that 70 ton hours check that the mould sizing has 0.05～0.08mm, but size can guarantee that still it is qualified that product is worked into flaw detection that should scrap for guaranteeing the quality of item plug this moment.According to above contrast, plug of the present invention has remarkable advantages on work-ing life, functional, can improve the production capacity of planetary rolling and save bigger production cost, guarantees the quality of milling material.
Table 1 is for utilizing the contrast (950 ℃ of rolling temperatures) of hardness HRC behind the rolling different quantities alloy of plug processed mould of the present invention:
Table 1
| Rolled alloy quantity (ton) | 0 | 50 | 60 | 70 | 90 |
| Hardness HRC | 52 | 55 | 55 | 53 | 53 |
Claims (3)
1. a copper alloy tube used for planetary rolling mill plug is characterized in that, the consisting of of described mandrel material: nickel 35～40%, chromium 19～21%, molybdenum 9～12%, manganese 0.8～1.8%, titanium 1.2～1.5%, vanadium 0.1～0.5%, aluminium 0.05～0.2%; Content≤0.08% of carbon in this mandrel material, content≤0.5% of impurity in this mandrel material, surplus is an iron; Unit is a weight percentage;
2. copper alloy tube used for planetary rolling mill plug as claimed in claim 1, it is characterized in that, the guiding awl (1) that an end of described plug is a truncated cone-shaped, there is outside screw (4) another end, be columniform calibrating strap (2) between two ends, and be parallel to the loading and unloading rectangle (3) of described plug axis at this calibrating strap (2) near an end setting of outside screw (4).
3. make the method for claim 1 or 2 described copper alloy tube used for planetary rolling mill plugs, it is characterized in that, comprise following processing step:
(1) batching: the composition by plug is prepared burden; And make finally consisting of of described mandrel material: nickel 35～40%, chromium 19～21%, molybdenum 9～12%, manganese 0.8～1.8%, titanium 1.2～1.5%, vanadium 0.1～0.5%, aluminium 0.05～0.2%; Content≤0.08% of carbon in this mandrel material, content≤0.5% of impurity in this mandrel material, surplus is an iron; Unit is a weight percentage;
(2) vacuum induction melting: in the vacuum oven crucible, add sequentially: electrolytic nickel, chromium metal, manganese metal, molybdenum bar and carbon steel, the fusing back of heating up adds in Feeding box: titanium sponge, aluminium ingot and vanadium metal; The vacuum tightness of vacuum induction furnace is: 6.7 * 10
-1～1MPa; Smelting temperature is: 1630～1680 ℃, smelting time 6～15 minutes forms molten metal;
(3) water ingot mould: above-mentioned molten metal is emitted (6) by pouring gate (5) through insulation, and be poured in the ingot mould (8) after emitting filtering net (7) between (6) and the ingot mould (8) to filter by insulation, form ingot casting, pouring temperature is 1520～1550 ℃;
(4) sawing, forging: go out after the above-mentioned ingot casting that obtains is cooled to 200 ℃～300 ℃ in the ingot mould to take out, ingot casting is carried out sawing at the insulated feeder place, the following ingot casting of insulated feeder is heated to 1150～1180 ℃ and forges in process furnace, the ingot casting forging ratio is 5～6, obtains pole; The pole that obtains forges back entry solution treatment;
(5) after the size that the above-mentioned pole that obtains needing to be obtained through metalworking, heat-treat in heat treatment furnace, thermal treatment temp is 1080～1100 ℃, and heat treatment time is 25～28 minutes; After the thermal treatment, pole entry solid solution is obtained plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105506261A CN101974717B (en) | 2010-11-17 | 2010-11-17 | Mandril for copper alloy pipe planetary rolling mill and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105506261A CN101974717B (en) | 2010-11-17 | 2010-11-17 | Mandril for copper alloy pipe planetary rolling mill and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101974717A true CN101974717A (en) | 2011-02-16 |
| CN101974717B CN101974717B (en) | 2012-05-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105506261A Active CN101974717B (en) | 2010-11-17 | 2010-11-17 | Mandril for copper alloy pipe planetary rolling mill and manufacturing method thereof |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109402424A (en) * | 2018-12-06 | 2019-03-01 | 江苏隆达超合金航材有限公司 | Copper and the high temperature alloy plug of copper alloy and preparation method thereof are rolled applied to planetary rolling |
| CN110129620A (en) * | 2019-06-11 | 2019-08-16 | 珠海国合融创科技有限公司 | A kind of monel and preparation method thereof |
| CN111876694A (en) * | 2020-08-06 | 2020-11-03 | 无锡隆达金属材料有限公司 | Saw cutting cupronickel ingot casting bar alloy saw blade and production process thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55119153A (en) * | 1979-03-05 | 1980-09-12 | Hitachi Ltd | Sleeve roll for hot rolling machine |
| JPS5713147A (en) * | 1980-06-25 | 1982-01-23 | Hitachi Ltd | Roll for hot rolling |
| CN1778485A (en) * | 2002-07-01 | 2006-05-31 | 新乡无氧铜材总厂 | Three-roller planetary press movement bar material for press bronze and bronze alloy piping material |
-
2010
- 2010-11-17 CN CN2010105506261A patent/CN101974717B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55119153A (en) * | 1979-03-05 | 1980-09-12 | Hitachi Ltd | Sleeve roll for hot rolling machine |
| JPS5713147A (en) * | 1980-06-25 | 1982-01-23 | Hitachi Ltd | Roll for hot rolling |
| CN1778485A (en) * | 2002-07-01 | 2006-05-31 | 新乡无氧铜材总厂 | Three-roller planetary press movement bar material for press bronze and bronze alloy piping material |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109402424A (en) * | 2018-12-06 | 2019-03-01 | 江苏隆达超合金航材有限公司 | Copper and the high temperature alloy plug of copper alloy and preparation method thereof are rolled applied to planetary rolling |
| CN109402424B (en) * | 2018-12-06 | 2020-12-15 | 江苏隆达超合金航材有限公司 | High-temperature alloy core rod applied to rolling copper and copper alloy by planetary rolling mill and preparation method thereof |
| CN110129620A (en) * | 2019-06-11 | 2019-08-16 | 珠海国合融创科技有限公司 | A kind of monel and preparation method thereof |
| CN111876694A (en) * | 2020-08-06 | 2020-11-03 | 无锡隆达金属材料有限公司 | Saw cutting cupronickel ingot casting bar alloy saw blade and production process thereof |
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| Publication number | Publication date |
|---|---|
| CN101974717B (en) | 2012-05-02 |
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Address after: 214105 No.18 Xiangyun Road, anzhen street, Xishan District, Wuxi City, Jiangsu Province Patentee after: Jiangsu Longda Super Alloy Co.,Ltd. Address before: Anzhen street, Xishan District, Wuxi City, Jiangsu Province Patentee before: WUXI LONGDA METAL MATERIALS Co.,Ltd. |