CN105728621A - 一种十字轴锻件的径向挤压成形工艺 - Google Patents
一种十字轴锻件的径向挤压成形工艺 Download PDFInfo
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- CN105728621A CN105728621A CN201410760108.0A CN201410760108A CN105728621A CN 105728621 A CN105728621 A CN 105728621A CN 201410760108 A CN201410760108 A CN 201410760108A CN 105728621 A CN105728621 A CN 105728621A
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- cross axle
- forging
- extrusion forming
- forming technology
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- 238000005516 engineering process Methods 0.000 title claims abstract description 12
- 238000001125 extrusion Methods 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 claims abstract description 6
- 230000001939 inductive effect Effects 0.000 claims abstract description 4
- 238000010583 slow cooling Methods 0.000 claims abstract description 4
- 239000002918 waste heat Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000005242 forging Methods 0.000 claims description 25
- 238000007906 compression Methods 0.000 claims description 10
- 210000001331 Nose Anatomy 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound 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Abstract
本发明公开了一种十字轴锻件的径向挤压成形工艺，其特征在于，包括如下步骤：十字轴采用20Cr钢制造,坯料尺寸为φ38×104mm,重量为0.914kg，径向挤压成形的工艺过程如下:(1)坯料在中频感应加热沪中加热到1100℃—1200℃, 同时将模具预热至200℃—250℃,并将水基石墨润滑剂均匀喷洒在型腔、进料通孔及凸模头部表面；(2)将加热的坯料放置在安装于闭式双动压力机上的,进行挤压成形，坯料在凸模的压力作用,逐渐墩粗,并向四个轴腔流动,成形出合乎要求的十字轴锻件；(3)利用余热将工件置于干燥的容器中缓冷至20℃；(4)用专用双盘铣去除锻件4轴头飞边, 用立式盘铣去除凸模挤压部分毛刺；(5)对锻件进行表面抛丸处理, 清除氧化皮。
Description
技术领域
[0001] 本发明涉及一种十字轴锻件的径向挤压成形工艺。
背景技术
[0002] 十字轴是汽车传动系统中的重要零件，它属于对称枝芽状锻件。传统的制作方法是胎模锻或模锻，其工艺过程为:下料、墩方、劈叉、成形、切飞边。根据对生产E Q 14 O万向节十字轴的资料统计:材料利用率为51.6%，材料成本占产品总成本的49.3 %。为提高产品的材料利用率，必须从精化锻件方面努力。通过对十字轴产品具体要求的分析和研究，采用轴向挤压工艺成形能取得比较好的效果。
发明内容
有鉴于现有技术的上述缺陷，本发明所要解决的技术问题是提供一种十字轴锻件的径向挤压成形工艺，采用挤压成型的锻件比胎模成形的锻件精度高、质量稳定。这样为后续加工工序的质量控制提供了良好条件，废品率可大幅度降低；而且可取消粗车外径等后续加工工序，减少刃具的消耗和缩短加工周期。
[0003] 为实现上述目的，本发明提供了一种十字轴锻件的径向挤压成形工艺，其特征在于，包括如下步骤:十字轴采用20Cr钢制造，坯料尺寸为Φ3 8 X 104mm,重量为0.914kg，径向挤压成形的工艺过程如下:(I)坯料在中频感应加热沪中加热到1100°C — 12000C，同时将模具预热至200°C — 250°C，并将水基石墨润滑剂均匀喷洒在型腔、进料通孔及凸丰旲头部表面；
(2)将加热的坯料放置在安装于闭式双动压力机上的，进行挤压成形，坯料在凸模的压力作用，逐渐墩粗，并向四个轴腔流动，成形出合乎要求的十字轴锻件；
(3)利用余热将工件置于干燥的容器中缓冷至2 O V ；
(4)用专用双盘铣去除锻件4轴头飞边，用立式盘铣去除凸模挤压部分毛刺；
(5)对锻件进行表面抛丸处理，清除氧化皮。
[0004] 本发明的有益效果是:本发明采用挤压成型的锻件比胎模成形的锻件精度高、质量稳定。这样为后续加工工序的质量控制提供了良好条件，废品率可大幅度降低；而且可取消粗车外径等后续加工工序，减少刃具的消耗和缩短加工周期。
[0005] 具体实施方式本发明公开的技术方案是一种十字轴锻件的径向挤压成形工艺，其特征在于，包括如下步骤:十字轴采用20Cr钢制造，坯料尺寸为Φ3 8X 104mm,重量为0.914kg，径向挤压成形的工艺过程如下:(I)坯料在中频感应加热沪中加热到1100°C —12000C ,同时将模具预热至200°C — 250°C，并将水基石墨润滑剂均匀喷洒在型腔、进料通孔及凸模头部表面；
(2)将加热的坯料放置在安装于闭式双动压力机上的，进行挤压成形，坯料在凸模的压力作用，逐渐墩粗，并向四个轴腔流动，成形出合乎要求的十字轴锻件；
(3)利用余热将工件置于干燥的容器中缓冷至2 O °C ;
(4)用专用双盘铣去除锻件4轴头飞边，用立式盘铣去除凸模挤压部分毛刺；
(5)对锻件进行表面抛丸处理，清除氧化皮。本发明采用挤压成型的锻件比胎模成形的锻件精度高、质量稳定。这样为后续加工工序的质量控制提供了良好条件，废品率可大幅度降低；而且可取消粗车外径等后续加工工序，减少刃具的消耗和缩短加工周期。
[0006] 以上详细描述了本发明的较佳具体实施例。应当理解，本领域的普通技术人员无需创造性劳动就可以根据本发明的构思作出诸多修改和变化。因此，凡本技术领域中技术人员依本发明的构思在现有技术的基础上通过逻辑分析、推理或者有限的实验可以得到的技术方案，皆应在由权利要求书所确定的保护范围内。
Claims (1)
1.一种十字轴锻件的径向挤压成形工艺，其特征在于，包括如下步骤:十字轴采用20Cr钢制造，坯料尺寸为Φ3 8X 104mm,重量为0.914kg，径向挤压成形的工艺过程如下:(I)坯料在中频感应加热沪中加热到1100°C — 1200°C，同时将模具预热至200°C — 250°C，并将水基石墨润滑剂均匀喷洒在型腔、进料通孔及凸模头部表面； (2)将加热的坯料放置在安装于闭式双动压力机上的，进行挤压成形，坯料在凸模的压力作用，逐渐墩粗，并向四个轴腔流动，成形出合乎要求的十字轴锻件； (3)利用余热将工件置于干燥的容器中缓冷至2 O °C ; (4)用专用双盘铣去除锻件4轴头飞边，用立式盘铣去除凸模挤压部分毛刺； (5)对锻件进行表面抛丸处理，清除氧化皮。
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| CN108655314A (zh) * | 2018-07-23 | 2018-10-16 | 许昌中兴锻造有限公司 | 差速器十字轴锻件挤压式模锻工艺 |
| CN109014135A (zh) * | 2018-07-16 | 2018-12-18 | 昆明理工大学 | 一种复合材料汽车十字轴及其制备方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109014135A (zh) * | 2018-07-16 | 2018-12-18 | 昆明理工大学 | 一种复合材料汽车十字轴及其制备方法 |
| CN108655314A (zh) * | 2018-07-23 | 2018-10-16 | 许昌中兴锻造有限公司 | 差速器十字轴锻件挤压式模锻工艺 |
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