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工厂里的汽车

使用3M™ 空心玻璃微珠,生产更轻的片状模压复合材料

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片状模压复合材料:重量更轻,适用于更多的汽车应用

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  • 在某些应用中,片状模压复合材料(SMC)可用于替代汽车设计中较重的复合材料或金属。3M中空玻璃微珠体积微小、薄壁中空,可用来取代SMC生产中常用的致密填料。3M中空玻璃微球可以实现超低密度SMC,并保持A级表面,让材料取代较重的钢和铝车身面板、引擎盖、后备箱盖等。

    3M中空玻璃微球可承受板材成型过程中的高等静压,且破损率非常低。事实上,现在SMC可以比标准密度的SMC轻45%。欢迎与我们探讨您对轻量化SMC汽车零部件的需求。


3M™ 空心玻璃微珠在内外饰领域片状成型复合材料上的应用

3M中空玻璃微珠可实现密度低于1.0 g/cc, 使SMC组件的总重量减轻40 - 45%,因此可以使轻质SMC成为车辆上更多部位金属部件的替代品。

  • 汽车的红色外饰部件
    外饰部件

    如图所示,使用3M空心玻璃微珠后,标准密度的SMC面板重量可以从2.5 kg/5.5 lbs减少到1.8 kg/4.0 lbs。

    A级可喷漆表面:虽然填料有时会影响最终零件表面,但复合材料和树脂供应商仍然可以生产出具有A级可喷漆面的轻质SMC。

    推荐产品:
     

  • 轻量化SMC面板与3M空心玻璃微珠
    内饰部件

    图中为由3M空心玻璃微珠制成的轻质SMC面板。

    推荐产品:
     


客户案例研究

  • 空心玻璃微珠助力科尔维特车身面板获得SPE大奖 PDF
    3M空心玻璃微珠助力科尔维特车身面板获得SPE大奖
  • 3M空心玻璃微珠CSP案例研究(2016)——片状模压复合材料
    3M空心玻璃微珠CSP案例研究(2016)——片状模压复合材料

轻量化SMC的应用领域

汽车车身,展示内外饰应用采用的每个3M解决方案。
  • 1. 后备箱

    2. 后备箱盖

    3. 天窗框架

    4. 天窗窗帘

    5. 手套箱和车内储物格

  • 6. 引擎盖

    7. 前行李箱

    8. 降噪部件

    9. 前灯总成

  • 10. 前端模块

    11. 电动汽车电池外壳

    12. 门板

    13. 结构性SMC

    14. 侧面车身防护条


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3M中空玻璃微球可以获得3M全球销售、技术和客户服务资源支持。联系3M获取更多相关信息,包括配方辅助或具体应用问题。

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ORLANDO – May 7-11, 2018 – National Plastics Expo, Booth #S27153 – As automotive manufacturers look to improve fuel economy and battery range for electrification, material lightweighting without compromising mechanical integrity is vital. Metals, although lightweight, can come with indirect processing and manufacturing costs and may become even more expensive with the uncertainty surrounding global metal supply. Sheet molded composites (SMCs) are a viable alternative to metals in certain applications, while still achieving the desired physical properties. 3M today introduces Glass Bubbles S32HS to help OEMs achieve up to a 40 percent weight reduction of composite parts, at a density below 1.0 g/cc, while still enabling a class A paintable finish. This innovation makes SMCs an attractive option in automotive design for OEMs.


“With the trend toward electric and high efficiency cars, reducing overall vehicle weight is key to staying competitive,” said Ray Eby, vice president of 3M Automotive Electrification. “A typical automobile has about 660 lbs. of composite parts. With ultra lightweight SMCs enabled by our glass bubbles, OEMs can significantly improve a vehicle’s energy usage, while saving money– one less bump in the road in the race to automotive electrification.”


For many years, 3M has partnered with the automotive industry to enable weight reductions for major automotive manufacturers. By replacing conventional fillers, these hollow glass microspheres can reduce the weight of molded parts without sacrificing strength or aesthetics. For the first time, 3M has been able to break the density barrier, making ultra lightweight SMCs more competitive to steel and aluminum, opening up new possibilities for the material mix in automotive applications.


“Our customers continue to challenge us to lower the density and weight of fiberglass reinforced material systems to support their automotive lightweighting efforts,” said Terrence O’Donovan, vice president, marketing and sales for Core Molding Technologies. “A density of 1.0g/cc or below has long been a goal, while still enabling a Class A finish. Using 3M Glass Bubbles helps enable us to meet our customers’ expectations.”


3M glass bubbles are an established lightweighting technology used in enabling lightweight sealants, injection molded parts and SMCs. 3M continues to be at the forefront of automotive lightweight material innovation with the launch of Glass Bubbles S32HS.


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