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    • 5. 发明授权
    • Method of making an engine block using coated cylinder bore liners
    • 使用涂覆的气缸内衬制造发动机缸体的方法
    • US5671532A
    • 1997-09-30
    • US352952
    • 1994-12-09
    • V. Durga Nageswar RaoRobert Alan RoseDavid Alan YeagerDaniel Michael Kabat
    • V. Durga Nageswar RaoRobert Alan RoseDavid Alan YeagerDaniel Michael Kabat
    • F02F1/00C23C4/00C23C4/02C23C4/14F02B75/18F02B75/22F02F1/10F02F1/16F02F1/20F02F7/00B23P15/00
    • F02F7/00C23C4/00C23C4/02C23C4/14F02F1/20F02B2075/1832F02B75/22Y10T29/49272Y10T29/49865
    • A method of making coated engine blocks by (a) casting a metallic engine block having one or more cylinder bores; (b) fabricating a thin walled liner for each bore, the liner being constituted of extruded metallic tubing having a cleansed inner surface, a wall thickness controlled to a thickness of 1-3 mm.+-.15 microns, the outer diameter of the liner being slightly greater than the internal diameter of the cylinder bores; (c) relatively rotating the liner with respect to one or more nozzles for applying a plurality of materials to the internal surface of the liner, the materials comprising first a metal texturing fluid that is applied at high pressures to expose fresh metal of the surface, secondly a bond coating material that is thermally sprayed to form a metallurgical bond with the liner internal surface, and a top coating of anti-friction material that is adheringly plasma sprayed to the bond coating; (d) honing the coated internal surface to remove up to 150 microns of top coating, leaving a finish surface that is concentric to the tube axis within .+-.15 microns; and (e) interference fitting the coated liner to the cylinder bore by freezing the liner while maintaining the block at or above ambient temperature to permit implanting of the liner.
    • (a)铸造具有一个或多个气缸孔的金属发动机缸体的方法来制造涂覆的发动机缸体; (b)为每个孔制造薄壁衬里,衬垫由具有洁净的内表面的挤压金属管构成,壁厚控制在1-3mm +/- 15微米的厚度,衬垫的外径为 略大于缸孔的内径; (c)相对于用于将多种材料施加到衬套的内表面的一个或多个喷嘴相对旋转衬套,所述材料首先包括在高压下施加以暴露表面的新鲜金属的金属织构流体, 其次是热喷涂以与衬里内表面形成冶金结合的粘结涂层材料,以及粘附剂等离子体喷涂到粘结涂层上的抗磨材料的顶涂层; (d)珩磨涂层的内表面以除去高达150微米的顶涂层,留下与管轴同心于±15微米内的精加工表面; 和(e)通过冷冻内衬而将涂覆的衬套过盈配合到缸孔,同时将块保持在环境温度或高于环境温度以允许衬套的注入。
    • 6. 发明授权
    • Method of applying a wear-resistant coating on a thin, metallic
strip-shaped carrier material
    • 将耐磨涂层涂覆在薄的金属带状载体材料上的方法
    • US4600599A
    • 1986-07-15
    • US541102
    • 1983-10-12
    • Hans I. Wallsten
    • Hans I. Wallsten
    • C23C4/04B05B7/16C23C4/10C23C4/12C23C4/14B05D1/02B05D1/08B05D3/12B05D5/00
    • C23C4/14B05B7/16
    • There is disclosed a method of and apparatus for producing a wear-resistant coating on a thin metallic strip, for example for the manufacture of coating scrapers for paper webs. After preparatory surface treatment the strip is passed longitudinally through a coating zone in which coating material in a molten state is sprayed onto the strip by a coating unit as the strip passes. The wear-resistant coating is built up in steps by the application of several coating layers one on top of the other, each being applied during a respective pass of the strip through the coating zone. The strip speed and the capacity of the coating unit are adjusted in relation to each other so that the heat supplied to the carrier material by each coating layer applied will be so slight in relation to the thermal capacity of the carrier material that the temperature increase in the carrier material does not cause any change in the physical properties of the carrier material. After each pass of the strip, the strip is caused or allowed to cool so that the heat applied to the carrier material by the spraying on of each layer of coating is substantially removed therefrom before a new coating layer is applied. In a preferred method the strip is fed from one reel, over a roller to pass the coating unit, to be taken up on another reel and the apparatus is reversed after each pass so that the strip passes back and forth through the coating zone for successive coating steps.
    • 公开了一种用于在薄金属带上制造耐磨涂层的方法和设备,例如用于制造用于纸幅的涂布刮刀。 在预处理表面处理之后,条带纵向通过涂层区域,其中熔融状态的涂层材料在条带通过时通过涂覆单元喷涂到条带上。 耐磨涂层通过一个在另一个顶部施加几个涂层而逐步建立,每个涂层在带通过涂覆区域的相应通过期间被施加。 剥离速度和涂布单元的容量相互调节,使得由涂覆的每个涂层提供给载体材料的热量将相对于载体材料的热容量稍微增加,温度升高 载体材料不会引起载体材料的物理性质的任何变化。 在条带的每次通过之后,使带材被冷却或者使其冷却,以便在施加新的涂层之前基本上从其上涂覆通过喷涂在每层涂层上的载体材料的热量。 在优选的方法中,条带从一个卷轴上送出辊子以通过涂覆单元,以便被吸收在另一个卷轴上,并且每次通过后装置被反转,使得条带来回穿过涂层区域以供连续 涂层步骤。
    • 7. 发明授权
    • Dipless metallizing process
    • 无凹凸金属化工艺
    • US4352838A
    • 1982-10-05
    • US145302
    • 1980-04-30
    • Theodore Bostroem
    • Theodore Bostroem
    • C23C2/06C23C2/40C23C4/14B05D1/00
    • C23C2/06C23C2/40C23C4/14
    • Metallic articles, for instance, ferrous strips are metallized, for instance, zinc coated by passing the heated article through a coating chamber and applying thereto a continuous stream of the molten coating metal so as to uniformly and evenly metallize said article. Thereafter, excess molten coating metal is removed from the coated article by hot gas blasting and the hot gas blasted article leaving the coating chamber is immediately cooled. Wiping means may be provided before applying the molten coating metal so as to deflect any molten coating metal dropping from the metallic article passing therethrough, while rollers may be arranged between the coating metal applying means and the hot gas blasting means. Said rollers serve to remove the major part of excess coating metal from the coated metallic article and to stabilize movement of the metallic article passing through the coating chamber. In contrast to known application of coating metal by atomizing or spraying, no gas is admixed to the continuous stream of the molten coating metal which is, so to say, gently poured onto the surface of the metallic article. Thus coating is effected within a short period of time and a non-porous coating is achieved. Further said short period of time of exposure of the steel article to the liquid zinc enables to eliminate the customary addition of aluminum to the spelter, thus permitting the use of steam for the hot blast instead of the more expensive non-oxidizing gas for that purpose, likewise eliminating the formation of White rust.
    • 例如,金属制品例如通过将加热制品通过涂覆室并涂覆到熔融涂覆金属的连续流上以使均匀且均匀地金属化所述制品而金属化,例如镀锌。 此后,通过热气体喷射从涂覆制品上除去多余的熔融涂覆金属,并立即冷却离开涂覆室的热气体喷射制品。 可以在施加熔融涂覆金属之前提供擦拭装置,以便使通过其的金属制品滴落的熔融涂覆金属偏转,同时辊可以布置在涂覆金属施加装置和热气体喷射装置之间。 所述辊用于从涂覆的金属制品中除去多余涂层金属的主要部分,并稳定通过涂覆室的金属制品的运动。 与通过雾化或喷涂的涂覆金属的已知应用相反,没有气体混合到熔融涂覆金属的连续流中,这就是说,轻轻地倾倒到金属制品的表面上。 因此,在短时间内进行涂覆,并且实现无孔涂层。 此外,钢制品暴露于液态锌的短时间使得能够消除将铝常规添加到螺旋桨中,从而允许使用蒸汽进行热风代替用于该目的的更昂贵的非氧化性气体 ,同样消除白锈的形成。