CN103966518B - A kind of power transmission shaft is with containing Nd ball cage - Google Patents
A kind of power transmission shaft is with containing Nd ball cage Download PDFInfo
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- CN103966518B CN103966518B CN201410154991.9A CN201410154991A CN103966518B CN 103966518 B CN103966518 B CN 103966518B CN 201410154991 A CN201410154991 A CN 201410154991A CN 103966518 B CN103966518 B CN 103966518B
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- ball cage
- power transmission
- transmission shaft
- ball
- cage
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 239000012535 impurity Substances 0.000 claims description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 229910052779 Neodymium Inorganic materials 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 229910052748 manganese Inorganic materials 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 238000005496 tempering Methods 0.000 claims description 5
- 229910052726 zirconium Inorganic materials 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 230000006835 compression Effects 0.000 abstract description 9
- 238000007906 compression Methods 0.000 abstract description 9
- 239000002994 raw material Substances 0.000 abstract description 6
- 229910052761 rare earth metal Inorganic materials 0.000 abstract description 5
- 229910045601 alloy Inorganic materials 0.000 abstract description 4
- 239000000956 alloy Substances 0.000 abstract description 4
- 238000005275 alloying Methods 0.000 abstract description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 5
- 239000010962 carbon steel Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- Heat Treatment Of Articles (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a kind of power transmission shaft with containing Nd ball cage, need for its intensity and hardness, select suitable alloying element, particularly rare earth element nd is incorporated into as useful alloy element in the steel raw material of ball cage, thereby ensure that ball cage has good compression strength, and cost control, within rational scope, makes power transmission shaft ball cage keep in actual applications good mechanical property.
Description
Technical field
The present invention relates to a kind of ball cage, specifically, relate to a kind of power transmission shaft with containing Nd ball cage.
Background technology
Ball cage is the major part of Vehicular turn drive axle universal coupling, has very large demand at home and abroad on market, isThe situation of increase year after year, and be the consumable accessory on automobile universal coupling. Its inefficacy will cause propons driving lost efficacy and affectedTurn to, therefore the intensity of ball cage and hardness are the key projects of propons quality control. In process, prior art adopts blankThe induction hardened scheme of modifier treatment and the diameter of axle, once occurred that the defective work of larger proportion, its defect form show as and occurs quenchingCrackle. Through adjusting process parameter, carry out single-piece debugging and be still difficult to ensure that part meets technical conditions. Most of manufacturers manufactureBall cage is with bar, becomes heavy wall ring by cut-out, jumping-up, punching, rolling, then process by the method for cutting. ThisMethod stock utilization is low, and forming speed is slow, and product cost is also high.
Aspect the steel raw material of power transmission shaft use ball cage, the intensity of steel is higher, and stress is larger, and the danger of brittle fracture is larger.Therefore, the intensity to steel raw material and hardness have proposed higher requirement. Aspect steel outward appearance, presentation quality is subject to heavily day by dayDepending on, for ball cage, for avoiding stress to concentrate, also require steel surface flaw strictly to control. At present, need to examineThe subject matter of considering: make power transmission shaft ball cage possess required compression strength and hardness, select the alloying element that is suitable for ball cage,And take into account Cost Problems; In view of the specific use of ball cage, must strictly control impurity content; And in Technology for Heating Processing, steelThe crack problem that middle residual stress causes more greatly, also must be controlled.
Summary of the invention
In order to solve the serviceability problem of above-mentioned power transmission shaft ball cage, the invention provides a kind of power transmission shaft with containing Nd ball cage,Should, containing Nd ball cage by the control to component and treatment process, make it have excellent compression strength and hardness.
The technical solution used in the present invention is: a kind of power transmission shaft is with containing Nd ball cage, and its steel material composition by weight percentageFor: 0.30～0.40% C, 0.1～1.0% Nd, 0.10～0.15% Cr, 0.10～0.20% Zr, 0.10～0.30%Si, 0.01～0.10% S, 0.001～0.005% B, 0.001～0.005% Mn, 0.001～0.005% Ti, and notEvitable impurity, surplus is iron and inevitable impurity.
The step of preparation process of described ball cage comprises:
A, Ф 60～Ф 65mm manufactured to balling-up cage base substrate containing Nd steel pipe through blanking, jumping-up, extrusion modling;
B, described ball cage base substrate is heated to 820～860 DEG C with the programming rate of 50～60 DEG C/h, is incubated 30～40 minutes, thenOil cooling to 250～300 DEG C;
C, then again by cooled ball cage, be heated to 200～250 DEG C of tempering with the programming rate of 60～80 DEG C/h, insulation 30～40Minute, then cool to room temperature;
D, the ball cage of described cool to room temperature is carried out to subzero treatment, is placed on temperature and is in the liquid nitrogen deep cryogenic box of-50 DEG C,Be incubated 60～120 minutes;
E, by the ball cage after described subzero treatment, carry out smooth processing by grinding, finally obtain power transmission shaft with containing Nd ball cage.
Preferably, the steel material composition of described ball cage also contains 0.005%～0.01% Cu, 0.001%～0.01% Co,0.001%～0.003% Ag.
Preferably, the compression strength containing Nd ball cage finally obtaining is 60～70MPa, and hardness is 60～65HRC.
Advantage of the present invention is: the present invention, by intensity and the hardness needs with ball cage for power transmission shaft, selects suitable alloy unitElement, particularly rare earth element nd are incorporated in the steel raw material of ball cage as useful alloy element, thereby have ensured ball cageThere is good compression strength, and cost control is within rational scope, and power transmission shaft ball cage is kept in actual applicationsGood mechanical property.
Detailed description of the invention
Below in conjunction with embodiment and comparative example, the present invention is described in more detail.
Embodiment 1:
A kind of power transmission shaft is with containing Nd ball cage, and its steel material composition is by weight percentage: 0.30% C, and 0.1% Nd,0.10% Cr, 0.10% Zr, 0.10% Si, 0.10% S, 0.001% B, 0.001% Mn, 0.005%Ti, and inevitable impurity, surplus is iron and inevitable impurity. The step of preparation process of this ball cage comprises: first willФ 60mm manufactures balling-up cage base substrate containing Nd steel pipe through blanking, jumping-up, extrusion modling; Again by described ball cage base substrate with 60DEG C/programming rate of h is heated to 850 DEG C, is incubated 30 minutes, then oil cooling to 250 DEG C; Follow again by cooled ball cage,Be heated to 200 DEG C of tempering with the programming rate of 60 DEG C/h, be incubated 30 minutes, then cool to room temperature; Again by cool to room temperatureBall cage carries out subzero treatment, is placed on temperature and is in the liquid nitrogen deep cryogenic box of-50 DEG C, is incubated 120 minutes; Finally by deep cooling placeBall cage after reason, carries out smooth processing by grinding, finally obtains power transmission shaft with containing Nd ball cage. Finally obtain containing Nd ball cageCompression strength be 65MPa, hardness is 62HRC.
Embodiment 2:
A kind of power transmission shaft is with containing Nd ball cage, and its steel material composition is by weight percentage: 0.40% C, and 0.5% Nd,0.10% Cr, 0.10% Zr, 0.20% Si, 0.05% S, 0.001% B, 0.005% Mn, 0.005%Ti, 0.005%% Cu, and inevitable impurity, surplus is iron and inevitable impurity. The preparation technology of this ball cageStep comprises: first the Nd steel pipe that contains of Ф 65mm is manufactured to balling-up cage base substrate through blanking, jumping-up, extrusion modling; Described in inciting somebody to action againBall cage base substrate is heated to 820 DEG C with the programming rate of 60 DEG C/h, is incubated 30 minutes, then oil cooling to 300 DEG C; Then again by coldBut the ball cage after, is heated to 250 DEG C of tempering with the programming rate of 80 DEG C/h, is incubated 40 minutes, then cool to room temperature; Again willThe ball cage of cool to room temperature carries out subzero treatment, is placed on temperature and is in the liquid nitrogen deep cryogenic box of-50 DEG C, is incubated 60 minutes;Finally, by the ball cage after subzero treatment, carry out smooth processing by grinding, finally obtain power transmission shaft with containing Nd ball cage. FinalTo be 70MPa containing the compression strength of Nd ball cage, hardness is 65HRC.
Embodiment 3:
A kind of power transmission shaft is with containing Nd ball cage, and its steel material composition is by weight percentage: 0.40% C, and 1.0% Nd,0.15% Cr, 0.20% Zr, 0.30% Si, 0.01% S, 0.001% B, 0.001% Mn, 0.001%Ti, 0.001% Co, 0.001% Ag, and inevitable impurity, surplus is iron and inevitable impurity. This ballThe step of preparation process of cage comprises: first the Nd steel pipe that contains of Ф 65mm is manufactured to balling-up cage base through blanking, jumping-up, extrusion modlingBody; Again described ball cage base substrate is heated to 860 DEG C with the programming rate of 50 DEG C/h, is incubated 30 minutes, then oil cooling to 250DEG C; Then again by cooled ball cage, be heated to 200 DEG C of tempering with the programming rate of 80 DEG C/h, be incubated 30 minutes, then coldBut arrive room temperature; Again the ball cage of cool to room temperature is carried out to subzero treatment, is placed on temperature and is in the liquid nitrogen deep cryogenic box of-50 DEG C,Be incubated 60 minutes; Finally, by the ball cage after subzero treatment, carry out smooth processing by grinding, finally obtain power transmission shaft with containing NdBall cage. The compression strength containing Nd ball cage finally obtaining is 70MPa, and hardness is 60HRC.
Comparative example 1:
By the steel raw material identical with embodiment of the present invention constituent, without subzero treatment, final after heat treatment stepObtain power transmission shaft with containing Nd ball cage, its compression strength is only 50MPa, and hardness is 55HRC.
Comparative example 2:
The component that changes embodiment of the present invention steel raw material, does not add rare earth element nd, adopts same heat treatment and darkAfter cold treatment step, final obtained power transmission shaft is with containing Nd ball cage, and its hardness is only 50HRC, compression strength and service lifeAll occur significantly declining.
Can be found out by embodiment 1-3 and comparative example 1 and 2, use containing Nd ball cage by utilizing according to the power transmission shaft of the embodiment of the present invention,Rare earth element nd is incorporated into the new approaches in ball cage as useful alloy element, and it is good that Nd element has ensured that carbon steel hasIntensity and hardness; Meanwhile, by the means of heat treatment and subzero treatment, make carbon steel improve anti-wear performance and service life; ThisOutward, the interpolation of rare earth element, refinement carbon steel tissue, further strengthened carbon steel intensity, and carbon steel protected in actual applicationsHold good mechanical property.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: do not departing from thisIn the principle of invention and the situation of aim, can carry out multiple variation, amendment, replacement and modification to these embodiment, of the present inventionScope is limited by claim and equivalent thereof.
Claims (4)
1. power transmission shaft, with containing a Nd ball cage, is characterized in that: the steel material composition of described ball cage is by weight percentage:0.30～0.40% C, 0.1～1.0% Nd, 0.10～0.15% Cr, 0.10～0.20% Zr, 0.10～0.30% Si,0.01～0.10% S, 0.001～0.005% B, 0.001～0.005% Mn, 0.001～0.005% Ti, and can notThe impurity of avoiding, surplus is iron and inevitable impurity.
2. a kind of power transmission shaft according to claim 1, with containing Nd ball cage, is characterized in that the step of preparation process of described ball cageComprise:
A, Ф 60～Ф 65mm manufactured to balling-up cage base substrate containing Nd steel pipe through blanking, jumping-up, extrusion modling;
B, described ball cage base substrate is heated to 820～860 DEG C with the programming rate of 50～60 DEG C/h, is incubated 30～40 minutes, then oil coolingTo 250～300 DEG C;
C, then again by cooled ball cage, be heated to 200～250 DEG C of tempering with the programming rate of 60～80 DEG C/h, be incubated 30～40 pointsClock, then cool to room temperature;
D, the ball cage of described cool to room temperature is carried out to subzero treatment, be placed on temperature and be in the liquid nitrogen deep cryogenic box of-50 DEG C, insulation60～120 minutes;
E, by the ball cage after described subzero treatment, carry out smooth processing by grinding, finally obtain power transmission shaft with containing Nd ball cage.
3. a kind of power transmission shaft according to claim 1, with containing Nd ball cage, is characterized in that the steel material composition of described ball cageAlso contain 0.005%～0.01% Cu, 0.001%～0.01% Co, 0.001%～0.003% Ag.
4. a kind of power transmission shaft according to claim 1, with containing Nd ball cage, is characterized in that, finally obtain containing Nd ball cageCompression strength is 60～70MPa, and hardness is 60～65HRC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410154991.9A CN103966518B (en) | 2014-04-17 | 2014-04-17 | A kind of power transmission shaft is with containing Nd ball cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410154991.9A CN103966518B (en) | 2014-04-17 | 2014-04-17 | A kind of power transmission shaft is with containing Nd ball cage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103966518A CN103966518A (en) | 2014-08-06 |
| CN103966518B true CN103966518B (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410154991.9A Expired - Fee Related CN103966518B (en) | 2014-04-17 | 2014-04-17 | A kind of power transmission shaft is with containing Nd ball cage |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4820357A (en) * | 1988-03-10 | 1989-04-11 | Dana Corporation | Low grade material axle shaft |
| TW567233B (en) * | 2001-03-05 | 2003-12-21 | Kiyohito Ishida | Free-cutting tool steel |
| JP4320589B2 (en) * | 2003-12-03 | 2009-08-26 | 大同特殊鋼株式会社 | Mechanical structure shaft parts and manufacturing method thereof |
| JP5678833B2 (en) * | 2011-07-28 | 2015-03-04 | 新日鐵住金株式会社 | Induction hardening steel and crankshaft manufactured using the same |
| CN103643176A (en) * | 2013-11-21 | 2014-03-19 | 桂林福冈新材料有限公司 | Automobile axle material |
| CN103725994B (en) * | 2013-12-16 | 2016-06-08 | 泰州俊宇不锈钢材料有限公司 | A kind of High-performance martensitic steel wire and manufacture method thereof |
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2014
- 2014-04-17 CN CN201410154991.9A patent/CN103966518B/en not_active Expired - Fee Related
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| CN103966518A (en) | 2014-08-06 |
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Effective date of registration: 20160415 Address after: 315137 Zhejiang city of Ningbo province Yinzhou District Yunlong Town Li Yun Road No. 10 Applicant after: Li Luqing Address before: Yinzhou District Heng Jie Heng Jie Zhen Road 315181 No. 50 Zhejiang city of Ningbo Province Applicant before: Li Yan |
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Inventor after: Wu Qingfeng Inventor before: Li Yan |
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Effective date of registration: 20170724 Address after: 511340, Guangdong, Zengcheng New District, Xintang Town, new pier village, west five, associated press 1, Guangzhou Industrial Zone, one of the four floor Patentee after: Guangzhou clean machinery equipment Co., Ltd. Address before: 315137 Zhejiang city of Ningbo province Yinzhou District Yunlong Town Li Yun Road No. 10 Patentee before: Li Luqing |
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Granted publication date: 20160518 Termination date: 20180417 |