The very latest technique for impeller manufacture is called semi-solid moulding(SSM).Cummins Turbo Technologies Limited,together with Aluminum Complex Components Inc,developed SSM compressor wheels as a way of achiev...The very latest technique for impeller manufacture is called semi-solid moulding(SSM).Cummins Turbo Technologies Limited,together with Aluminum Complex Components Inc,developed SSM compressor wheels as a way of achieving cost and durability performance somewhere between that of cast and machined from solid(MFS) aluminium alloy wheels.Experimental results show SSM material has a superior microstructure and mechanical properties over cast and comparable to MFS materials.Component testing including durability testing,using accelerated speed cycle tests,proves SSM compressor wheels emerge as being significantly more durable than cast equivalents and approaching that of MFS impellers.Further challenges for semi-solid processing in manufacture of other complex components and other materials in automotive industry in terms of both cost and durability are also discussed.展开更多
中国热带农业区作物剩余物多为香蕉秸秆、椰壳以及甘蔗叶,目前以其为混合原料的固体成型设备研究较少,因此该文设计了一种行星轮式内外锥辊固体燃料平模成型机,描述了该机进料装置、辊压装置以及成型装置等主要部件结构,并对辊压装置进...中国热带农业区作物剩余物多为香蕉秸秆、椰壳以及甘蔗叶,目前以其为混合原料的固体成型设备研究较少,因此该文设计了一种行星轮式内外锥辊固体燃料平模成型机,描述了该机进料装置、辊压装置以及成型装置等主要部件结构,并对辊压装置进行了运动和受力分析,确定了其关键参数。研制样机并进行性能试验,试验结果表明:该机在电动机功率为45 k W、锥辊公转转速为190 r/min、锥辊自转转速为543 r/min、配套喂料输送装置功率为3 k W时,生产率为850 kg/h、颗粒燃料成型率为96.5%、质量密度为1.25 g/cm3、成型后含水率为2.82%、机械耐久性为96.74%,符合生物质颗粒燃料成型要求。整机工作过程中噪音低,经济效益与生态效益明显,为中国热带地区固体燃料成型机的发展与推广提供了参考。展开更多
文摘The very latest technique for impeller manufacture is called semi-solid moulding(SSM).Cummins Turbo Technologies Limited,together with Aluminum Complex Components Inc,developed SSM compressor wheels as a way of achieving cost and durability performance somewhere between that of cast and machined from solid(MFS) aluminium alloy wheels.Experimental results show SSM material has a superior microstructure and mechanical properties over cast and comparable to MFS materials.Component testing including durability testing,using accelerated speed cycle tests,proves SSM compressor wheels emerge as being significantly more durable than cast equivalents and approaching that of MFS impellers.Further challenges for semi-solid processing in manufacture of other complex components and other materials in automotive industry in terms of both cost and durability are also discussed.
文摘中国热带农业区作物剩余物多为香蕉秸秆、椰壳以及甘蔗叶,目前以其为混合原料的固体成型设备研究较少,因此该文设计了一种行星轮式内外锥辊固体燃料平模成型机,描述了该机进料装置、辊压装置以及成型装置等主要部件结构,并对辊压装置进行了运动和受力分析,确定了其关键参数。研制样机并进行性能试验,试验结果表明:该机在电动机功率为45 k W、锥辊公转转速为190 r/min、锥辊自转转速为543 r/min、配套喂料输送装置功率为3 k W时,生产率为850 kg/h、颗粒燃料成型率为96.5%、质量密度为1.25 g/cm3、成型后含水率为2.82%、机械耐久性为96.74%,符合生物质颗粒燃料成型要求。整机工作过程中噪音低,经济效益与生态效益明显,为中国热带地区固体燃料成型机的发展与推广提供了参考。
