CN1056325C - 球墨铸铁曲轴铸造新工艺 - Google Patents
球墨铸铁曲轴铸造新工艺 Download PDFInfo
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- CN1056325C CN1056325C CN97102731A CN97102731A CN1056325C CN 1056325 C CN1056325 C CN 1056325C CN 97102731 A CN97102731 A CN 97102731A CN 97102731 A CN97102731 A CN 97102731A CN 1056325 C CN1056325 C CN 1056325C
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- Prior art keywords
- casting
- cast iron
- mould
- technology
- mold
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- 238000005266 casting Methods 0.000 title claims abstract description 22
- 229910001018 Cast iron Inorganic materials 0.000 title claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052742 iron Inorganic materials 0.000 claims abstract description 5
- 229910001141 Ductile iron Inorganic materials 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- MHKWSJBPFXBFMX-UHFFFAOYSA-N iron magnesium Chemical compound [Mg].[Fe] MHKWSJBPFXBFMX-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
本发明是一种球墨铸铁曲轴铸造新工艺，浇冒口设计在曲轴小头端，铸模内嵌有冷铁，铁水平浇满模后竖立铸模，浇冒口系统占铸件质量比例比已有的工艺大量减小，成品率提高，整个铸造成本降低。
Description
本发明涉及球墨铸铁铸造工艺，具体是一种球墨铸铁曲轴铸造工艺。
现在的球墨铸铁曲轴铸造工艺，为了避免铸件在凝固过程中因液态收缩和固态收缩，在铸件的热节或最后凝固部位出现缩孔和缩松，以及为了消除铸造应力，主要依靠浇冒口系统进行补缩。因此，浇冒口设计在曲轴大头端，浇冒口系统设计都比较大，一般为铸件重量的35-50％，而成品率也只有60-75％。
本发明的目的，在于降低浇冒口系统的耗损，提高成品率。
本发明的目的是这样实现的：一种球墨铸铁曲轴铸造新工艺，其特征在于在铸件厚壁部位的铸模内嵌有适量冷铁，铁水平浇满模后，即将铸模竖立30度-90度，铸模采用烘干模，浇冒口在曲轴小头端。
由于铸件厚壁部位的铸模内嵌有冷铁，相对加快了铸件厚壁部位的冷却速度，使铸件厚、薄部位冷却速度均匀，实现同时凝固，减少了铸件中的铸造应力；烘干模可适当增加铸件在型内的冷却时间，减少各部份的温差，也减少了铸造应力；竖立铸模则利用铸液的自身重量，进行补缩。因此，采用本发明新工艺铸造的球墨铸铁曲轴，浇冒口可设计在曲轴小头端，浇冒口系统只为铸件重量的15-20％，或品率为90％以上。
实施例，用铸造球铁生铁浇铸东风牌6102Q汽车曲轴在主轴颈和曲柄轴颈部位的铸模内有24块冷铁，采用烘干模，浇冒口设置在曲轴小头端，铁水温度1300度，待平浇满模后即将整个铸模竖立与地面夹角80度，成品率90-92％，铸件毛重62Kg，浇冒口系统11Kg。
Claims (1)
1，一种球墨铸铁曲轴铸造新工艺，其特征在于铸件厚壁部位的铸模内嵌有适量冷铁，铁水平浇满模后，即将铸模竖立30-90度，铸模采用烘干模，浇冒口设计在曲轴小头端。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97102731A CN1056325C (zh) | 1997-03-24 | 1997-03-24 | 球墨铸铁曲轴铸造新工艺 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97102731A CN1056325C (zh) | 1997-03-24 | 1997-03-24 | 球墨铸铁曲轴铸造新工艺 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1167022A CN1167022A (zh) | 1997-12-10 |
| CN1056325C true CN1056325C (zh) | 2000-09-13 |
Family
ID=5166398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97102731A Expired - Fee Related CN1056325C (zh) | 1997-03-24 | 1997-03-24 | 球墨铸铁曲轴铸造新工艺 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1056325C (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102430747A (zh) * | 2011-11-15 | 2012-05-02 | 内蒙古包钢钢联股份有限公司 | 一种细化钢铁铸坯晶粒的制备方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1042103A (zh) * | 1988-10-22 | 1990-05-16 | 李忠炎 | 引导铸造法 |
| CN1013108B (zh) * | 1987-11-24 | 1991-07-10 | 山西省应用化学研究所 | 氯氟硝基苯的生产方法 |
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1997
- 1997-03-24 CN CN97102731A patent/CN1056325C/zh not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1013108B (zh) * | 1987-11-24 | 1991-07-10 | 山西省应用化学研究所 | 氯氟硝基苯的生产方法 |
| CN1042103A (zh) * | 1988-10-22 | 1990-05-16 | 李忠炎 | 引导铸造法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1167022A (zh) | 1997-12-10 |
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