镁合金热连轧过程数值模拟（更多详细信息，请索取《锻压技术》杂志010-57157202）

李六如1,杜绍贵2  (1.四川南车共享铸造有限公司，四川 资阳 641301；2.中车资阳机车有限公司，四川 资阳 641301) 

摘要：采用弯曲镦锻法锻造中高速柴油机曲轴时，曲轴锻件曲柄臂安装面极易出现塌角缺陷。针对平衡块安装面为平面类型的曲柄臂，以16V240曲轴为研究对象，设计了4种平衡块安装面形状的曲柄臂锻件，并采用有限元法模拟了16V240曲轴锻件4种方案的RR法镦锻成形过程。从镦锻过程金属坯料的流动速度和速度矢量方向两个方面讨论了4种平衡块安装面形状对曲柄臂锻件成形质量的影响，模拟结果表明，设计为收敛形状的平衡块安装面在锻造过程中能有效避免塌角缺陷。根据方案4的模拟结果优化设计了模具并进行了曲轴单拐的挤压实验，实验结果与数值模拟结果基本一致。

关键词：全纤维曲轴锻件；平衡块安装面；数值模拟

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    北京立基文化传播有限责任公司010-57157202
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<p>
    国际杂志发行和广告代理：《International Sheet Metal Reviews 国际钣金评论》——欧洲板材展，亚洲板材展官方刊物；《锻压技术》《锻压装备与制造技术》——中国核心刊物；《E-铸锻周刊》《E-冲钣周刊》美国《锻造》《铸造管理与技术》；印度《今日锻造》， 捷克《锻造》，台湾《锻造》
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    2016国际金属成形展（锻造、铸造、冲压、钣金行业）
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                    4.12-14
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                    2016SAE美国汽车制造年会及零部件展
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                    5.4-6
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                    墨西哥金属成形展
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                    Fabtech Mexico
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                    5.10-12
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                    中国国际冲钣技术与装备研讨会
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                    5.10-12
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                    重庆锻造厂长(经理)技术交流会
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                    自动化、锻造生产线、模具、模拟软件、生产交流等
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                    5.11-14
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                    立嘉国际冲压、锻压、钣金展览会
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            <td width="90" valign="top" style="margin: 0px; padding: 0px;">
                <div>
                    重庆
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                    锻造、冲压、钣金设备及辅助设备、自动化、激光
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                    5.25-27
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                    广州机床模具展
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                    展会现场：冲钣研讨会
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                    广州琶洲
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                    成形设备及附件、管材成形设备及附件、焊接、自动化、模具、涂装、铸锻件、冲压件、板材线材等
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                    5.31-6.2
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                    全球汽车零部件及OEM供应链展
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                    德国斯图加特
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                    汽车一阶、二阶、三阶零配件供应商，发动机及零部件，机械部件，安全件，弹簧，起动机单向器，精密金属部件，锻件，紧固件，模具与熔模铸造，冲压件，压铸件，轴承，金属粉末，电磁铁，阀等。
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                    6.7-9
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                    英国国际工业分包展览会
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                    英国伯明翰
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                    铸造、锻造、冲压、焊接、压力容器制造、金属加工、切削、成形、表面热处理、工业零部件及设计和制造技术、电器部件、汽车、航空航天、摩托车配件等。
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                    特种锻造技术工艺培训
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                    待定
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                    特种锻造
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                    8.22-25
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                    2016俄罗斯国际汽车零配件展
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                    俄罗斯莫斯科
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                    汽车零部件、汽车维修保养件等
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                    9.13-19
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                    2016法兰克福汽车零部件展
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                    德国法兰克福
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                    汽车零部件、汽车维修保养件等
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            <td width="72" valign="top" style="margin: 0px; padding: 0px;">
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                    10.1-5
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                    法国巴黎国际工业零配件展览会
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                    法国巴黎
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                    铸件、锻件、原辅材料、汽车配件、工业标
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                    10.25-29
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                    国际金属板材加工技术展览会（EUROBLECH）
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                    德国汉诺威
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                    金属板材、管材和型材成形机械，金属零部件、自动化、模具、环境保护及在制造等
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                    十月
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            <td width="232" valign="top" style="margin: 0px; padding: 0px;">
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                    第20届巴西锻造会议/第19届板材成形会议/第12届粉末冶金会议
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            <td width="90" valign="top" style="margin: 0px; padding: 0px;">
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                    巴西阿雷格里港
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                    小型展台、技术讲座、企业参观、交流晚宴等
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                    十月
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            <td width="232" valign="top" style="margin: 0px; padding: 0px;">
                <div>
                    巴西金属成形展
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            <td width="90" valign="top" style="margin: 0px; padding: 0px;">
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                    巴西圣保罗
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            <td width="293" valign="top" style="margin: 0px; padding: 0px;">
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                    金属成形设备及附件、管材成形设备及附件、焊接、自动化、模具、涂装、冲压件、板材、线材
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            <td width="72" valign="top" style="margin: 0px; padding: 0px;">
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                    11.1-4
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                <div>
                    上海国际工业零部件及分承包展
                </div>
            </td>
            <td width="90" valign="top" style="margin: 0px; padding: 0px;">
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                    上海
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            <td width="293" valign="top" style="margin: 0px; padding: 0px;">
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                    工业零部件及分承包，重型制造装备，动力传动及技术控制，压缩机及设备，冷链技术及装备，电池及装备，物流技术与运输系统
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            <td width="72" valign="top" style="margin: 0px; padding: 0px;">
                <div>
                    11.7-10
                </div>
            </td>
            <td width="232" valign="top" style="margin: 0px; padding: 0px;">
                <div>
                    第六届亚洲锻造会议
                </div>
            </td>
            <td width="90" valign="top" style="margin: 0px; padding: 0px;">
                <div>
                    日本
                </div>
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            <td width="293" valign="top" style="margin: 0px; padding: 0px;">
                <div>
                    锻造类会议、小型展览及日本企业参观
                </div>
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            <td width="72" valign="top" style="margin: 0px; padding: 0px;">
                <div>
                    11.16-18
                </div>
            </td>
            <td width="232" valign="top" style="margin: 0px; padding: 0px;">
                <div>
                    北美国际金属加工展览会（FABTECH）
                </div>
            </td>
            <td width="90" valign="top" style="margin: 0px; padding: 0px;">
                <div>
                    美国拉斯维加斯
                </div>
            </td>
            <td width="293" valign="top" style="margin: 0px; padding: 0px;">
                <div>
                    成形设备及附件、管材成形设备及附件、焊接、自动化、模具、涂装、铸锻件、冲压件、板材线材等
                </div>
            </td>
        </tr>
        <tr style="margin: 0px; padding: 0px;">
            <td width="72" valign="top" style="margin: 0px; padding: 0px;">
                <div>
                    十一月
                </div>
            </td>
            <td width="232" valign="top" style="margin: 0px; padding: 0px;">
                <div>
                    泰国金属加工展（Metalex）
                </div>
            </td>
            <td width="90" valign="top" style="margin: 0px; padding: 0px;">
                <div>
                    泰国曼谷
                </div>
            </td>
            <td width="293" valign="top" style="margin: 0px; padding: 0px;">
                <div>
                    金属成形及加工设备；机床附件、模具、卡具；控制系统、润滑冷却系统、自动化系统、机械人；电焊设备与材料；手动工具，电动工具，切割工具；
                </div>
            </td>
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