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    • 26. 发明专利
    • Polishing and cleaning method of surface of soft metal or light metal
    • 软金属或轻金属表面的抛光清洗方法
    • JPS5924961A
    • 1984-02-08
    • JP13116782
    • 1982-07-29
    • Ishikawajima Harima Heavy Ind Co Ltd
    • MIYAHARA SHIYUUJINISHIMOTO WATARUKIMURO HARUMINAKAMURA SHIYOUICHISHIMIZU MAKOTO
    • B24C1/00
    • B24C1/003
    • PURPOSE:To remove a stain surely and easily further safely from a surface and prevent the surface from being damaged, by projecting grains of ice together with the carrier fluid toward a said body to be polished and cleaned and cleaning and polishing the surface of body through frictional force and impact of the grains of ice. CONSTITUTION:Grains of ice 1 in about 2-8mm. size are obtained by, for example, a continuously producing device of grains of ice, in which liquid nitrogen at ultra low temperature is injected into a cold water tank to produce the grains of ice. The grains of ice 1 are carried by compressed air 2 at 6-7kg/cm and projected from an injection nozzle 3 toward the surface of soft metal or light metal 4. By this projection, a stain 5 is removed from the surface through impact and frictional force due to the grains of ice 1. At this time of projection, most of the grains of ice 1 collide against the surface, and each grain of ice 1 absorbs its collision force by itself and is destroyed, while a protective layer of water, being formed by melting the grains of ice with friction heat, never causes the generation of damage to the surface of the soft metal or the light metal 4. In this way, the stain is surely, easily and safely removed from the surface, also the surface finished by plating is further improved.
    • 目的:为了从表面上进一步安全地清除污渍,防止表面受到损伤,通过将冰粒与载体流体一起投射到所述身体上进行抛光和清洁,并通过清洁和抛光身体的表面 摩擦力和冰粒的影响。 构成:大约2-8毫米的冰粒1。 尺寸可以通过例如在冰水中连续生产装置,其中将超低温液氮注入冷水箱中以产生冰晶粒。 冰粒1由6-7kg / cm 2的压缩空气2承载,并从注射喷嘴3向软金属或轻金属4的表面突出。通过该突起,从表面去除污点5 通过由于冰颗粒1的冲击和摩擦力1.在此时的投影时,冰1的大部分晶粒与表面碰撞,并且每颗冰1自身吸收其碰撞力并被破坏,同时保护 通过用摩擦热熔化冰晶而形成的水层不会对软金属或轻金属4的表面产生损坏。以这种方式,可以轻易地,安全地将污渍从 表面,还通过电镀完成的表面进一步改善。