CN1330787C - Shield engine disk type hobbing cutter ring and its production method - Google Patents
Shield engine disk type hobbing cutter ring and its production method Download PDFInfo
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- CN1330787C CN1330787C CNB2004100101329A CN200410010132A CN1330787C CN 1330787 C CN1330787 C CN 1330787C CN B2004100101329 A CNB2004100101329 A CN B2004100101329A CN 200410010132 A CN200410010132 A CN 200410010132A CN 1330787 C CN1330787 C CN 1330787C
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 238000010791 quenching Methods 0.000 claims abstract description 18
- 238000000227 grinding Methods 0.000 claims abstract description 5
- 230000000171 quenching effect Effects 0.000 claims abstract description 4
- 238000009413 insulation Methods 0.000 claims description 22
- 238000001816 cooling Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000002791 soaking Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 241001062472 Stokellia anisodon Species 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 4
- 238000005242 forging Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 239000004615 ingredient Substances 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 238000005496 tempering Methods 0.000 abstract description 8
- 238000000137 annealing Methods 0.000 abstract description 4
- 238000007669 thermal treatment Methods 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010792 warming Methods 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012958 reprocessing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
Abstract
The present invention relates to a shield engine disk type hobbing cutter ring. The high-rupturing capacity (HRC) of the hobbing cutter ring is from 55 to 57, the impact value ak is from 18 to 20 J/cm<2>, and the main components used for manufacturing the hobbing cutter ring are as follows: 0.38 to 0.45 of C, 0.4 to 0.8 of Mn, 0.2 to 1.2 of Si, 4.0 to 6.0 of Cr, 1.0 to 2.0 of Mo, 0.8 to 2.0 of V, at least 0.005 and at most 0.03 of P, at least 0.005 and at most 0.03 of S and Fe as proportioned. The manufacturing method comprises the following steps: the smelted cast ingots are produced into round rods and forged to produce blanks of hobbing cutter rings after baiting; annealing treatment, lathe turning, quenching treatment, tempering treatment, grinding and testing are carried out orderly to obtain finished products with enough hardness, abrasive resistance and impact resistance.
Description
Technical field
The invention belongs to the parts on the road-heading machinery, relate in particular to the hobboing cutter cutter ring of shield engine.
Background technology
Shield engine is the modernized professional equipment of constructing tunnel, disk cutter is the cutter that is used for rock cutting on the shield engine, it is contained on the cutterhead, the disk cutter cutter ring is pressed in the rock when driving, cutterhead drives hobboing cutter and realizes rotation and revolution under the driving of swivel arrangement simultaneously, make cutterhead roll extrusion continuously on rock, finish the broken and cutting to rock, the normal material that adopts of the cutter ring of present domestic usefulness is 9Cr2Mo, 6Cr4Mo2W2V, 40CrNiMo; The normal material that adopts of state's external knife ring is X50CrWoV51 (DIN) and 4340 (SAE), and these hobboing cutter cutter rings existence wear no resistance or problem such as easy fracture.
Goal of the invention
The objective of the invention is to: provide a kind of and have enough hardness, and wear resistance and all good shield engine disk cutter cutter ring of shock-resistance, the manufacture method of this cutter ring also is provided simultaneously.
The objective of the invention is to be achieved through the following technical solutions: the hardness HRC of this shield engine disk cutter cutter ring is 55-57, and its impact value is a
k18-20J/cm
2, the major ingredient of making this hobboing cutter cutter ring material comprises, the Fe of C, Mn, Si, Cr, Mo, V, P, S and dosage; By % weight, C is that 0.38-0.41, Mn are that 0.6-0.8, Si are 0.2 or 1.2, Cr is 4 or 5 or 6, Mo be 1.0 or 1.5-2.0, V be 0.38 or 1.6-2.0, P are 0.005 or 0.02 or 0.03, S is 0.005 or 0.02 or 0.03.
Make the method for disk cutter cutter ring, be to smelt good ingot casting earlier to make pole, after blanking, make the blank of hobboing cutter cutter ring, then form finished product through anneal, turning, quench treatment, temper, grinding, detection more successively through forging again, elder generation is heated to 870-890 ℃ with the blank of hobboing cutter cutter ring in anneal, insulation then, cooling at a slow speed again after the insulation, when temperature is reduced to 740 ℃, again after insulation in 120-180 minute, make its cooling at a slow speed again, when temperature is reduced to 400 ℃, workpiece is put into atmosphere cool off; In quench treatment, the workpiece after turning is carried out zone heating, is heated to 650-700 ℃ earlier, through the insulation after, be heated to 1050-1060 ℃ once more, again through the insulation after with work-piece cools; Temper is divided into twice, will be heated to 560 ℃ through the workpiece after quenching in first time temper, with work-piece cools, is heated to 505-510 ℃ for the second time after insulation, again after insulation with work-piece cools.
The soaking time that in anneal the blank of hobboing cutter cutter ring is heated to after 870-890 ℃ is 240-300 minute; In quench treatment, heating back soaking time is 60-90 minute earlier through the workpiece after the turning, and heating back soaking time is 60-90 minute once more; Workpiece soaking time in first time temper after heating is 150-200 minute; The soaking time of heating back workpiece is 120-150 minute for the second time.
The speed of cooling is 0.5-2 ℃/min at a slow speed in anneal; In quench treatment, the speed after being incubated during work-piece cools is greater than 100 ℃/min, in temper after insulation the speed during with work-piece cools greater than 50 ℃/min.
Because the component of hobboing cutter cutter ring material and the hardness HRC that manufacture method has guaranteed this cutter ring are 55-57 among the present invention, impact value a
kBe 18-20J/cm
2, the tensile strength of learning simultaneously it after tested is that 2010Mpa, yield strength are that 1980 Mpa, unit elongation are 7%, shrinking percentage is 9%, has therefore guaranteed that this cutter ring has enough hardness and wear resistance and shock-resistance.
Embodiment
Embodiment 1: make main component in the material of shield engine disk cutter cutter ring for (by % weight) C is 0.38, Mn is 0.4, Si is 0.2, Cr is 4, Mo is 1.0, V is 0.38, P is 0.005, S is 0.005 and the Fe of equal amount;
Above-mentioned materials is made steel ingot after temperature is to smelt in 1600 ℃ the stove, then make round bar, the blanking as required of this bar, forge into the blank of shield engine disk cutter cutter ring then, workpiece blank after forging is carried out anneal, when annealing, workpiece should be put into stove, be heated to 870 ℃, then in stove, workpiece is incubated 240 minutes, and then lower the temperature at a slow speed with 2 ℃/min speed, when workpiece temperature is reduced to 730 ℃, be incubated 120 minutes again, back workpiece is still lowered the temperature at a slow speed in stove with the speed of 2 ℃/min, when workpiece temperature in stove is reduced to 400 ℃, workpiece is put into atmosphere continue to be cooled to room temperature, cooled workpiece is carried out turning, after turning, once more it is done thermal treatment, in this kind thermal treatment, carry out quench treatment earlier and then carry out temper, should carry out zone heating during quench treatment, earlier workpiece is heated to 650 ℃, be incubated after 60 minutes, workpiece is heated once more, make it be warming up to 1050 ℃ again, be incubated again and make it be cooled to room temperature rapidly after 60 minutes with speed greater than 100 ℃/min; The workpiece that is cooled to room temperature is done double tempering again to be handled, in the temper workpiece after quenching is heated to 550 ℃ in the first time, being incubated made its cooling reduce to room temperature after 150 minutes, speed of cooling is greater than 50 ℃/min, do temper for the second time again through cooled workpiece, during temper, workpiece is heated to 500 ℃ for the second time, be incubated and make it be cooled to room temperature again after 120 minutes, speed of cooling is greater than 50 ℃/min; Workpiece after the thermal treatment carries out grinding again to its end face and interior circle after clearing up makes it reach requirement to hobboing cutter cutter ring size and smooth finish, and these hobboing cutter cutter rings need to detect through flaw detection and hardness and shock-resistance again, and all HRC are 55-57, impact value a
kBe 18J/cm
2The person is finished product.
Embodiment 2: make among this embodiment that main component is 0.45 for (by % weight) C in the material of shield engine disk cutter cutter ring, Mn is 0.8, Si is 1.2, Cr is 6, Mo is 2.0, V is 2.0, P is 0.03, S is 0.03 and the Fe of equal amount, above-mentioned materials is made steel ingot after temperature is to smelt in 1600 ℃ the stove, then make round bar, this bar is forged into as required the blank of shield engine disk cutter cutter ring after the blanking, workpiece blank after forging is carried out anneal, when annealing, workpiece should be put in people's stove, when being heated to 890 ℃, after being incubated 300 minutes, lower the temperature at a slow speed with 0.5 ℃/min speed again, when workpiece temperature is reduced to 750 ℃, be incubated 180 minutes again, then workpiece is still lowered the temperature at a slow speed with the speed of 0.5 ℃/min, when workpiece temperature is reduced to 400 ℃, workpiece put continue to be cooled to room temperature in people's atmosphere, cooled workpiece is carried out turning, workpiece after turning still needs it is done thermal treatment, in this kind thermal treatment, earlier workpiece is heated to 700 ℃ during quench treatment, be incubated after 90 minutes, heating makes workpiece be warming up to 1060 ℃ once more, be incubated and make it be cooled to room temperature rapidly after 90 minutes, speed of cooling is greater than 120 ℃/min; The workpiece that is cooled to room temperature is done double tempering again to be handled, in the temper workpiece is heated to 560 ℃ in the first time, being incubated made it reduce to room temperature after 200 minutes, workpiece is heated to 510 ℃ of insulations and makes it reduce to room temperature again after 150 minutes in second time temper, during double tempering was handled, the workpiece cooling rate was 70 ℃/min; Workpiece after the thermal treatment carries out grinding again to its end face and interior circle after clearing up makes it reach requirement to hobboing cutter cutter ring size and smooth finish, and these hobboing cutter cutter rings need to detect through flaw detection and hardness and shock-resistance again, and all HRC are that 55-57, impact value are 20J/cm
2The person is finished product.
Embodiment 3: make among this embodiment that main component is 0.41 for (by % weight) C in the material of shield engine disk cutter cutter ring, Mn is 0.6, Si is 0.8, Cr is 5, Mo is 1.5, V is 1.6, P is 0.02, S is 0.02 and the Fe of equal amount, above-mentioned materials is made steel ingot through smelting, make the blank of round bar and disk cutter cutter ring more successively, workpiece blank is carried out anneal, when annealing, workpiece should be heated to 880 ℃ earlier, then make workpiece insulation 280 minutes, make the speed cooling of workpiece with 1.5 ℃/min, reduce to 740 ℃ when workpiece temperature and be incubated 160 minutes again, then workpiece is still lowered the temperature with the speed of 1.5 ℃/min, when workpiece temperature is reduced to 400 ℃, workpiece is put into atmosphere continue to be cooled to room temperature, cooled workpiece is carried out turning, after turning, still need it is done thermal treatment, in this kind thermal treatment, should workpiece be heated to 680 ℃ earlier during quench treatment, be incubated and be warming up to 1055 ℃ again after 80 minutes, be incubated and make it be cooled to room temperature rapidly after 80 minutes; Speed of cooling should be greater than 150 ℃/min, then carrying out double tempering handles, in the temper workpiece is heated to 550 ℃ in the first time, being incubated made it reduce to room temperature after 180 minutes, workpiece is heated to 505 ℃ of insulations and makes it reduce to room temperature again after 130 minutes in second time temper, during double tempering was handled, the workpiece cooling rate was all greater than 60 ℃/min; Workpiece after the thermal treatment needs through reprocessing and detects, and its requirement is identical with embodiment 1.
Other processing condition are also identical with embodiment 1.
Embodiment 4: make among this embodiment that main component is 0.38 for (by % weight) C in the material of shield engine disk cutter cutter ring, Mn is 0.8, Si is 1.2, Cr is 5, Mo is 1.0, V is 2.0, P is 0.02, S is 0.03 and the Fe of equal amount, above-mentioned materials is made steel ingot through smelting, make the blank of round bar and disk cutter cutter ring more successively, when being carried out anneal, workpiece blank workpiece should be heated to 870 ℃ earlier, then make the workpiece insulation after 300 minutes, make the speed cooling of workpiece again with 1.5 ℃/min, when workpiece temperature is reduced to 740 ℃, be incubated 120 minutes again, then workpiece is still lowered the temperature with the speed of 1.5 ℃/min, when workpiece temperature is reduced to 400 ℃, workpiece put continue to be cooled to room temperature in people's atmosphere, cooled workpiece is carried out turning, should workpiece be heated to 650 ℃ earlier through the workpiece after the turning during in quench treatment, be incubated and be heated to 1060 ℃ once more after 80 minutes, be incubated and make it be cooled to room temperature rapidly after 60 minutes; Speed of cooling is all greater than 120 ℃/min, then carrying out double tempering handles, in the temper workpiece is heated to 560 ℃ in the first time, being incubated made it reduce to room temperature after 190 minutes, workpiece is heated to 500 ℃ of insulations and makes it reduce to room temperature again after 150 minutes in second time temper, during double tempering was handled, the workpiece cooling rate was 80 ℃/min; Workpiece after the thermal treatment needs through reprocessing and detects, and its requirement is identical with embodiment 1; Other processing condition are also identical with embodiment 1.
Insulation after workpiece blank heats in the anneal among the present invention can be carried out in process furnace, also can carry out in other media; In the quench treatment, can in oil, carry out during work-piece cools, also can in other liquid shape media, carry out.Also can adopt coupon during the test of impact value.
Claims (4)
1, a kind of shield engine disk cutter cutter ring, the hardness HRC of this cutter ring is 55-57, it is characterized in that: its impact value is a
k18-20J/cm
2, the major ingredient of making this hobboing cutter cutter ring material comprises, the Fe of C, Mn, Si, Cr, Mo, V, P, S and dosage; By % weight, C is that 0.38-0.41, Mn are that 0.6-0.8, Si are 0.2 or 1.2, Cr is 4 or 5 or 6, Mo be 1.0 or 1.5-2.0, V be 0.38 or 1.6-2.0, P are 0.005 or 0.02 or 0.03, S is 0.005 or 0.02 or 0.03.
2, make method as disk cutter cutter ring in the claim 1, be to smelt good ingot casting earlier to make pole, after blanking, make the blank of hobboing cutter cutter ring again through forging, then successively again through anneal, turning, quench treatment, temper, grinding, detection forms finished product, it is characterized in that: elder generation is heated to 870-890 ℃ with the blank of hobboing cutter cutter ring in anneal, insulation then, cooling at a slow speed again after the insulation, when temperature is reduced to 740 ℃, again after insulation in 120-180 minute, make its cooling at a slow speed again, when temperature is reduced to 400 ℃, workpiece is put into atmosphere cool off; In quench treatment, the workpiece after turning is carried out zone heating, is heated to 650-700 ℃ earlier, through the insulation after, be heated to 1050-1060 ℃ once more, again through the insulation after with work-piece cools; Temper is divided into twice, will be heated to 560 ℃ through the workpiece after quenching in first time temper, with work-piece cools, is heated to 505-510 ℃ for the second time after insulation, again after insulation with work-piece cools.
3, the manufacture method of disk cutter cutter ring according to claim 2 is characterized in that: the soaking time that in anneal the blank of hobboing cutter cutter ring is heated to after 870-890 ℃ is 240-300 minute; In quench treatment, heating back soaking time is 60-90 minute earlier through the workpiece after the turning, and heating back soaking time is 60-90 minute once more; Workpiece soaking time in first time temper after heating is 150-200 minute; The soaking time of heating back workpiece is 120-150 minute for the second time.
4, according to the manufacture method of claim 2 or 3 described disk cutter cutter rings, it is characterized in that: the speed of cooling is 0.5-2 ℃/min at a slow speed in anneal; In quench treatment, the speed after being incubated during work-piece cools is greater than 100 ℃/min, in temper after insulation the speed during with work-piece cools greater than 50 ℃/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100101329A CN1330787C (en) | 2004-03-16 | 2004-03-16 | Shield engine disk type hobbing cutter ring and its production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100101329A CN1330787C (en) | 2004-03-16 | 2004-03-16 | Shield engine disk type hobbing cutter ring and its production method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1670235A CN1670235A (en) | 2005-09-21 |
| CN1330787C true CN1330787C (en) | 2007-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100101329A Expired - Fee Related CN1330787C (en) | 2004-03-16 | 2004-03-16 | Shield engine disk type hobbing cutter ring and its production method |
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| CN (1) | CN1330787C (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100507060C (en) * | 2006-11-10 | 2009-07-01 | 宝山钢铁股份有限公司 | Disk shearing blade and method for manufacturing the same |
| CN102189390B (en) * | 2011-04-12 | 2013-04-10 | 安徽省凌锋冶金机械有限公司 | Method for producing scrape cutter blade |
| CN102417964A (en) * | 2011-11-25 | 2012-04-18 | 南昌大学 | Device used for quenching shield machine hobbing cutter ring |
| CN102517502B (en) * | 2012-01-16 | 2014-01-15 | 株洲钻石钻掘工具有限公司 | Disk-shaped roller cutter ring and manufacture method thereof |
| CN103484783B (en) * | 2013-10-18 | 2015-07-15 | 株洲硬质合金集团有限公司 | Alloy for cutter ring of disk type hobbing cutter and preparation method thereof |
| CN104128777A (en) * | 2014-07-29 | 2014-11-05 | 成都亨通兆业精密机械有限公司 | Turning tool machining technology capable of reducing heat damage and improving tempering quality |
| CN105798222B (en) * | 2016-05-05 | 2018-01-16 | 中国科学院金属研究所 | A kind of hob cutter for shield machine cutter ring forging mold and forging method |
| CN106077384A (en) * | 2016-06-20 | 2016-11-09 | 安徽省瑞杰锻造有限责任公司 | A kind of anticracking grain processing process of cutter ring forging |
| CN108559922B (en) * | 2018-05-28 | 2019-06-07 | 山东易斯特工程工具有限公司 | A kind of rock tunnel(ling) machine hobboing cutter cutter ring alloy material and preparation method thereof |
| CN108728756B (en) * | 2018-06-30 | 2019-11-22 | 中铁工程装备集团隧道设备制造有限公司 | A kind of high-performance hobboing cutter Disc Cutter Ring Material and preparation method thereof |
| CN109338226B (en) * | 2018-11-20 | 2020-09-25 | 中铁工程装备集团隧道设备制造有限公司 | Material for high-performance TBM cutter head scraper plate and preparation method thereof |
| CN110527919A (en) * | 2019-10-11 | 2019-12-03 | 安徽省凌锋冶金机械有限公司 | A kind of high abrasion sword mold materials and its heat treatment process |
| CN112080705B (en) * | 2020-09-27 | 2022-01-21 | 中铁工程装备集团有限公司 | Hob cutter ring and preparation method thereof |
| CN112605609B (en) * | 2020-12-01 | 2022-03-04 | 中铁工程装备集团有限公司 | Tower type hobbing cutter ring and preparation method thereof |
| CN112813245A (en) * | 2020-12-30 | 2021-05-18 | 安徽省瑞杰锻造有限责任公司 | Shield tunneling machine cutter ring machining heat treatment process |
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| CN1249005A (en) * | 1997-12-26 | 2000-03-29 | 日本精工株式会社 | Continuous annealing furnace, rolling bearing, annealing method, and method of manufacturing inner and outer races of deeply groove ball bearing |
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2004
- 2004-03-16 CN CNB2004100101329A patent/CN1330787C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1249005A (en) * | 1997-12-26 | 2000-03-29 | 日本精工株式会社 | Continuous annealing furnace, rolling bearing, annealing method, and method of manufacturing inner and outer races of deeply groove ball bearing |
| CN1412334A (en) * | 2001-10-12 | 2003-04-23 | 万毅 | Production process of wear-resisting alloy steel cutting ring |
Non-Patent Citations (1)
| Title |
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| 全断面隧道掘进机刀圈材料及加工工艺 樊云昌 柴永模，世界隧道，第4期 1998 * |
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| CN1670235A (en) | 2005-09-21 |
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