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Auto parts

A core supplier of lightweight aluminum die-cast components for the automotive industry, empowering the powertrain and new energy sectors.

Engine front gear housing cover

Ningbo Hexin Molding Co., Ltd. customized production, oem/odm focus on the production of a variety of aluminum alloy products

  • {产品名称}:中国工厂定制化制造铝合金铸造发动机前齿轮室盖
  • {铸造工艺}:铝合金高压铸造铸造新能源飞轮壳
  • {产品材料}: ADC12 / A383 / YL113 /A380 / ADC10 / YL112 /ADC14 / A390
  • {Product specification}: Can be customized.
  • {Product color}: Can be customized arbitrarily according to customers' requirements.
  • {Product processing}: Localized processing is available according to customer requirements.
  • {Surface treatment}: Powder coating, oil spraying, spraying, painting, etc. are available.
  • {Production cycle}: 30-60 days
  • {Starting quantity}: 100pcs
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  • Product details
  • Technical Support

本品为发动机动力传输关键部件——前齿轮室盖,采用ADC12高流动性压铸铝合金,通过精密高压压铸工艺一体成型。在保障复杂薄壁结构可制造性的同时,实现轻量化与高刚性兼备的结构特性,有效承载飞轮传动载荷并隔离外部冲击,确保发动机正时系统运行平稳可靠。ADC12材料优异的流动性使结构设计自由度大幅提升,可集成复杂油道、传感器安装座及加强筋结构,为动力系统提供轻质高强的密闭防护。


Technical Parameters

parameter termTechnical indicators
铸造压力70-120MPa(高压压铸,实时闭环控制)
Mold temperature control180-260℃(多点温控,精度±5℃)
material gradeADC12(JIS H5302标准)
tensile strength≥228 MPa(压铸态)
yield strength≥150 MPa
elongation≥1.5%
durometer≥80 HBW
Dimensional accuracyCT6级(ISO 8062标准,局部特征可达CT5)
surface treatment阳极氧化/喷粉/钝化/涂装(可选)
Sealing requirements泄漏率≤0.3 mL/min(干式气密检测/氦质谱检测可选)
工作温度范围-40℃ 至 +150℃

Quality Assurance System

Certified Endorsement:

  • Conforms to IATF 16949 quality management system standards for the automotive industry
  • ISO 9001质量管理体系认证
  • ISO 14001环境管理体系认证

Process Control:

  • 压射过程实时监控:压射速度、增压压力、真空度(可选真空压铸)闭环控制
  • 铝液品质管控:含气量、成分光谱分析、变质处理效果热分析
  • 模具喷涂自动控制:确保脱模均匀及热平衡

Testing Standards:

  • 100%三坐标检测:关键安装面与轴承孔精度≤0.05mm
  • X射线无损探伤:内部气孔、缩孔判定,符合ASTM E505标准
  • 气密性测试:100%在线干式泄漏检测,模拟实际工况压力
  • 动平衡检测:不平衡量≤10g·mm/kg(针对飞轮安装止口)
  • 金相组织检验:初晶硅尺寸、针状铁相形态控制

application scenario

乘用车及商用车发动机
广泛配套于自然吸气及涡轮增压汽油/柴油发动机,ADC12材料的高流动性可实现壁厚低至1.5mm的薄壁轻量化设计,较铸铁减重40%~50%,同时满足发动机舱高温振动工况下的结构稳定性。

新能源汽车增程器
适配增程式电动车发动机系统,极致轻量化助力整车能耗降低,优良的导热系数(96 W/m·K)可快速散发电机侧传导热量,提升增程器持续运行可靠性。

小型通用汽油机
应用于园林机械、小型发电机组等设备,压铸件表面光洁度高,免机加工部位可达Ra 3.2μm,兼顾外观品质与经济性。

船舶舷外机
ADC12耐盐水腐蚀性能优良,通过钝化处理后可适应高湿高盐雾环境,保障舷外机传动系统长期稳定运行。


Technical Highlights

高致密化压射工艺
采用高速充填与局部增压补缩技术,显著减少压铸件内部微观气孔,ADC12材料经真空压铸辅助后致密度提升,可满足≤0.3mL/min严苛密封要求,支持无浸渗直接应用。

薄壁轻量化结构设计
基于ADC12优异流动性,实现最小壁厚1.2~1.8mm的复杂网格筋结构,对比常规铸造铝合金减重12%~18%,同时保证动刚度满足NVH指标。

集成化功能整合
将机油尺导管、曲轴位置传感器安装座、高压油泵驱动窗口等特征一体铸造成型,减少零部件数量与二次加工成本,提升总成装配效率。

耐腐蚀表面处理体系
适配阳极氧化、微弧氧化、高耐蚀涂装等多层级防护方案,通过中性盐雾试验≥240小时,满足发动机舱全生命周期防腐需求。

数字化全流程品控
从模具流道CAE仿真优化(Flow-3D/AnyCasting)、压铸岛实时参数采集,到机加工自动化产线在线SPC监控,实现全流程数字化追溯,确保大批量供货一致性。

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HX Mold™ Technology

Ningbo Hexin is an aluminum alloy casting production company evolved from Ningbo Hexin Mould Factory, more than 30 years of mold manufacturing, has a wealth of experience in mold manufacturing, to provide customers with reasonable, stable and efficient metal molds!

HX Casting™ Technology

Ningbo HX metal-type aluminum alloy casting technology, perfect mold processing capacity, comprehensive casting technology, a variety of casting technology, the combination of casting process, for customers to clarify the reasonable casting process.HX casting technology for customers to bring reasonable, efficient and stable products.

HX Enhanced T6™ Technology

Compared with the common heat treatment technology, through the heat treatment solution furnace, tempering furnace of many tests, reasonable setting of the aluminum alloy solution, tempering temperature, enhance the strength and stability of the automotive supercharger worm shell. Improve the performance of the supercharger shell.

HX Analog Analytics™ Technology

Ningbo Hexin adopts advanced cae simulation technology, thousands of simulations of the actual comparison experience, highly restore the simulation value of on-site production, greatly improving the accuracy of the simulation, greatly improving the rationality of the mold design. Avoid risks before mold opening.

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