CN106811591A - A kind of manufacture method of agricultural machinery engine crankshaft - Google Patents
A kind of manufacture method of agricultural machinery engine crankshaft Download PDFInfo
- Publication number
- CN106811591A CN106811591A CN201611083652.1A CN201611083652A CN106811591A CN 106811591 A CN106811591 A CN 106811591A CN 201611083652 A CN201611083652 A CN 201611083652A CN 106811591 A CN106811591 A CN 106811591A
- Authority
- CN
- China
- Prior art keywords
- agricultural machinery
- engine crankshaft
- manufacture method
- machinery engine
- heated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/30—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for crankshafts; for camshafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/005—Heat treatment of ferrous alloys containing Mn
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
Abstract
The invention provides a kind of manufacture method of agricultural machinery engine crankshaft, comprise the following steps：Using Micro Alloying 50MnV alloy steel making bent axles；Its step is smelting, refining, molds, rolls, forges, is heat-treated；The heat treatment step is that the bent axle after forging is heated into 650 DEG C；At a temperature of 650 DEG C, 15min is incubated；Then 850 DEG C of oil quenchings are heated to, after 520 DEG C of tempering, are cooled down with the speed of 20 30 DEG C/min.A kind of manufacture method of agricultural machinery engine crankshaft that the present invention is provided, by experimental results demonstrate, by non-modulation steel, plus using special heat treatment method, its intensity can be improved on the basis of the toughness for ensureing non-hardened and tempered steel, be particularly well-suited to this hot forging parts of agricultural machinery engine crankshaft（Have excellent plasticity and intensity higher concurrently）.
Description
Technical field
The present invention relates to engine components processing technique field, more particularly to a kind of system of agricultural machinery engine crankshaft
Make method.
Background technology
Bent axle is one of important part of engine, and within the engine, the trunnion of bent axle is installed on cylinder body, bent axle
Rotation be engine power source.Bent axle is due to its special design feature so that many crank throws of its slender construction, rigidity compared with
Difference；And bent axle is the bending stress that bear larger torque and alternation in work, so fatigue fracture and abrasion are susceptible to,
Therefore, it is very high to its material and manufacture method requirement.
The content of the invention
To solve above mentioned problem present in prior art and actual conditions, the invention provides a kind of agricultural machinery hair
The manufacture method of motivation bent axle, comprises the following steps：Using Micro Alloying 50MnV alloy steel making bent axles；Its step is to smelt, essence
Refining, molding, rolling, forging, heat treatment；The heat treatment step is that the bent axle after forging is heated into 650 DEG C；650
At a temperature of DEG C, 15min is incubated；Then 850 °C of oil quenchings are heated to, after 520 °C of tempering, with the speed of 20-30 °C/min
Cooling.
Beneficial effect：
The manufacture method of a kind of agricultural machinery engine crankshaft that the present invention is provided, by experimental results demonstrate by non-tune
Steel processed, adds using special heat treatment method, can improve its intensity on the basis of the toughness for ensureing non-hardened and tempered steel, especially fits
For this hot forging parts of agricultural machinery engine crankshaft（Have excellent plasticity and intensity higher concurrently）.
Specific embodiment
Technical solution of the present invention is described in detail below.
The invention provides a kind of manufacture method of agricultural machinery engine crankshaft, comprise the following steps：Using non-tune
Matter 50MnV alloy steel making bent axles；Its step is smelting, refining, molds, rolls, forges, is heat-treated；The heat treatment step
It is that the bent axle after forging is heated to 650 DEG C；At a temperature of 650 DEG C, 15min is incubated；Then 850 °C are heated to
Oil quenching, after 520 °C of tempering, is cooled down with the speed of 20-30 °C/min.
Wherein, non-hardened and tempered steel 50MnV [w (C)=0.44%~0.56%, w (Mn)=0.80%~1.3%, w (Si)=0.17%~
0.37%, w (S)≤0.035%, w (P)≤0.035%, trace V].
Beneficial effect：
The manufacture method of a kind of agricultural machinery engine crankshaft that the present invention is provided, by experimental results demonstrate by non-tune
Steel processed, adds using special heat treatment method, can improve its intensity on the basis of the toughness for ensureing non-hardened and tempered steel, especially fits
For this hot forging parts of agricultural machinery engine crankshaft（Have excellent plasticity and intensity higher concurrently）.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although being described in detail to the present invention with reference to the foregoing embodiments, for a person skilled in the art, it still may be used
Modified with to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic.
All any modification, equivalent substitution and improvements within the spirit and principles in the present invention, made etc., should be included in of the invention
Within protection domain.
Claims (1)
1. a kind of manufacture method of agricultural machinery engine crankshaft, it is characterised in that comprise the following steps：Using Micro Alloying
50MnV alloy steel making bent axles；Its step is smelting, refining, molds, rolls, forges, is heat-treated；The heat treatment step is
Bent axle after forging is heated to 650 DEG C；At a temperature of 650 DEG C, 15min is incubated；Then 850 °C are heated to
Oil quenching, after 520 °C of tempering, is cooled down with the speed of 20-30 °C/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611083652.1A CN106811591A (en) | 2016-11-30 | 2016-11-30 | A kind of manufacture method of agricultural machinery engine crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611083652.1A CN106811591A (en) | 2016-11-30 | 2016-11-30 | A kind of manufacture method of agricultural machinery engine crankshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106811591A true CN106811591A (en) | 2017-06-09 |
Family
ID=59106711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611083652.1A Pending CN106811591A (en) | 2016-11-30 | 2016-11-30 | A kind of manufacture method of agricultural machinery engine crankshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106811591A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110686062A (en) * | 2019-09-16 | 2020-01-14 | 宝鸡新利达汽车零部件有限公司 | Non-quenched and tempered steel lightweight brake camshaft and manufacturing method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1227267A (en) * | 1998-02-23 | 1999-09-01 | 毛树辉 | Heat treatment technology for 42 Cr-Mo crankshaft |
| JP4946328B2 (en) * | 2006-10-03 | 2012-06-06 | 住友金属工業株式会社 | Method for manufacturing age-hardening machine parts |
| CN102989983A (en) * | 2012-08-22 | 2013-03-27 | 昌利锻造有限公司 | Forging method of automobile engine crankshaft |
| JP5576832B2 (en) * | 2011-06-21 | 2014-08-20 | 株式会社神戸製鋼所 | Manufacturing method of ferrite-pearlite type non-tempered forged parts |
| CN104264040A (en) * | 2014-09-26 | 2015-01-07 | 宝山钢铁股份有限公司 | Non-quenched and tempered steel and preparation method of non-quenched and tempered steel, and crank shaft fabricated by using non-quenched and tempered steel |
| CN104831048A (en) * | 2015-05-13 | 2015-08-12 | 广西梧州运龙港船机械制造有限公司 | Heat treatment process for hull steel crankshaft |
-
2016
- 2016-11-30 CN CN201611083652.1A patent/CN106811591A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1227267A (en) * | 1998-02-23 | 1999-09-01 | 毛树辉 | Heat treatment technology for 42 Cr-Mo crankshaft |
| JP4946328B2 (en) * | 2006-10-03 | 2012-06-06 | 住友金属工業株式会社 | Method for manufacturing age-hardening machine parts |
| JP5576832B2 (en) * | 2011-06-21 | 2014-08-20 | 株式会社神戸製鋼所 | Manufacturing method of ferrite-pearlite type non-tempered forged parts |
| CN102989983A (en) * | 2012-08-22 | 2013-03-27 | 昌利锻造有限公司 | Forging method of automobile engine crankshaft |
| CN104264040A (en) * | 2014-09-26 | 2015-01-07 | 宝山钢铁股份有限公司 | Non-quenched and tempered steel and preparation method of non-quenched and tempered steel, and crank shaft fabricated by using non-quenched and tempered steel |
| CN104831048A (en) * | 2015-05-13 | 2015-08-12 | 广西梧州运龙港船机械制造有限公司 | Heat treatment process for hull steel crankshaft |
Non-Patent Citations (1)
| Title |
|---|
| 刘宗昌 等: "《热处理工艺学》", 31 August 2015, 冶金工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110686062A (en) * | 2019-09-16 | 2020-01-14 | 宝鸡新利达汽车零部件有限公司 | Non-quenched and tempered steel lightweight brake camshaft and manufacturing method thereof |
| CN110686062B (en) * | 2019-09-16 | 2023-03-28 | 宝鸡新利达汽车零部件有限公司 | Non-quenched and tempered steel lightweight brake camshaft and manufacturing method thereof |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170609 |
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| RJ01 | Rejection of invention patent application after publication |