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    • 5. 发明授权
    • Method of making a gas turbine engine diffuser
    • 制造燃气轮机发动机扩散器的方法
    • US06760971B2
    • 2004-07-13
    • US10194556
    • 2002-07-15
    • Ioan SasuBertrand GendreauRobert Francois Lanoue
    • Ioan SasuBertrand GendreauRobert Francois Lanoue
    • B23P1500
    • B23B41/00F04D29/444F05D2250/52Y10T29/49316Y10T29/4932Y10T29/49995Y10T29/49996Y10T408/03
    • A method of machining a plurality of circumferentially spaced bores in an object, each of the bores extending generally tangentially and inwardly and being positioned in the object so as to generally asymmetrically intersect two adjacent bores, comprises the steps of: providing an object; determining a plurality of bore positions generally around a circumference of the object; machining a first bore and performing at least one subsequent machining operation on the first bore to substantially complete the first bore; machining a second bore immediately adjacent to the completed first bore, wherein the second bore is machined so as to intersect the completed first bore, and performing at least one subsequent machining operation on the second bore to substantially complete the second bore; sequentially machining a remaining plurality of bores except a final bore, wherein each said bore is machined so as to intersect an immediately adjacent completed bore; and machining the final bore immediately intermediate the first bore and a second-final bore wherein the final bore is machined so as to intersect the first and second-final bores.
    • 一种在物体中加工多个周向间隔开的孔的方法,每个孔大体上切向和向内延伸并且被定位在物体中,以便大体上不对称地相交两个相邻的孔,包括以下步骤:提供物体; 通常围绕物体的圆周确定多个孔位置; 加工第一孔并在所述第一孔上执行至少一个随后的加工操作以基本上完​​成所述第一孔; 加工紧邻完成的第一孔的第二孔,其中第二孔加工成与完成的第一孔相交,并且在第二孔上执行至少一个随后的加工操作以基本上完​​成第二孔; 依次加工除了最终孔之外的剩余多个孔,其中每个所述孔加工成与紧邻的完成孔相交; 并且立即在第一孔的中间加工最终孔,以及第二最终孔,其中最终孔加工成与第一和第二最终孔相交。
    • 6. 发明授权
    • Method for profiling the outer circumferential face of cylinder liners
    • 气缸套外周面成型方法
    • US06748655B2
    • 2004-06-15
    • US10270257
    • 2002-10-11
    • Thomas DickmannUdo KempkenErik MertnerRolf Schattevoy
    • Thomas DickmannUdo KempkenErik MertnerRolf Schattevoy
    • B23P1500
    • F02F1/004B21J5/12F02F1/16F02F1/18Y10T29/4927Y10T29/49272
    • A method for producing, by forming techniques, an undercut profile in the outer circumferential face of cylinder liners to be cast in place in a crankcase, characterized by the introduction of a bracing inner core into the cavity of a cylinder liner, the introduction of the cylinder liner equipped with bracing inner core into a first forming die equipped on its working faces with a serrated profile, the pressing of the first forming die against the outer circumferential face of the cylinder liner, thus producing a complementary profile in the outer circumferential face, the introduction of the cylinder liner equipped with bracing inner core into a second forming die equipped on its working faces with a smooth surface, and the pressing of the second forming die against the outer circumferential face of the cylinder liner equipped with the complementary profile.
    • 通过形成技术来生产待铸造的汽缸套的外周面中的底切轮廓的方法,该曲轴在曲轴箱中就位,其特征在于将支撑内芯引入气缸套的空腔中,引入 气缸衬套,其具有支撑内芯,在其工作面上装配有锯齿形轮廓的第一成形模具,将第一成形模压在气缸套的外周面上,从而在外圆周面上产生互补的轮廓, 将配备有支撑内芯的气缸套引入装配在其工作面上的平滑表面的第二成型模具中,并且将第二成形模压在装配有补充轮廓的气缸套的外周面上。
    • 7. 发明授权
    • Method of manufacturing an article by diffusion bonding and superplastic forming
    • 通过扩散粘结和超塑性成型制造制品的方法
    • US06739049B2
    • 2004-05-25
    • US10360804
    • 2003-02-10
    • Stephen Nicholson
    • Stephen Nicholson
    • B23P1500
    • B21D26/055B21D53/78B23P15/04Y10T29/49336Y10T29/49339Y10T29/49341Y10T29/49805Y10T29/49885Y10T29/49995
    • A method of manufacturing a gas turbine engine fan blade (10) comprises forming three metal workpieces (50,52,54). A metal slab (30) is upset forged at both ends (32,34) to produce a metal block (40) with increased thickness (42,44) extending from opposite surfaces (36,38). The metal block (40) is cut in an inclined path to form two of the metal workpieces (50,52). The metal workpieces (50,52,54) are assembled into a stack (56) so that the flat surfaces (38,42,46,48) are in mating abutment. Heat and pressure is applied across the thickness of the metal workpieces (50,52,54) to diffusion bond the metal workpieces (53,52,54) together to form an integral structure (100). The integral structure (100) is hot creep formed and superplastically formed to produce the required aerofoil shape and the thickened end is machined to form the blade root (26). The method enables thinner metallic workpieces with better microstructure to be used and increases the yield of metallic workpieces.
    • 一种制造燃气涡轮发动机风扇叶片(10)的方法包括形成三个金属工件(50,52,54)。 金属板坯(30)在两端(32,34)锻造,以产生具有从相对表面(36,38)延伸的厚度增加的(42,44)的金属块(40)。 金属块(40)以倾斜路径切割以形成两个金属工件(50,52)。 金属工件(50,52,54)组装成堆叠(56),使得平坦表面(38,42,46,48)处于配合邻接处。 在金属工件(50,52,54)的厚度上施加热和压力以将金属工件(53,52,54)扩散连接在一起以形成整体结构(100)。 整体结构(100)是热蠕变形成并被超塑性地形成以产生所需的机翼形状,并且加厚端被机加工以形成叶根(26)。 该方法使得能够使用具有更好的微观结构的较薄的金属工件并增加金属工件的产量。
    • 9. 发明授权
    • Method of making a cylinder block with unlined piston bores
    • 制造具有无衬里活塞孔的气缸体的方法
    • US06702908B1
    • 2004-03-09
    • US10050728
    • 2002-01-16
    • Henry R. Vanderzyden
    • Henry R. Vanderzyden
    • B23P1500
    • F04B1/2035B23P15/00F01B3/0064F01B3/0091Y10T29/49231Y10T29/4927
    • A cylinder block for an axial piston pump or motor is formed from a steel material. The block includes a plurality of bores that each have an internal bore surface of a predefined final material surface finish. The bores are subjected to various machining and heat treating processes to provide a bore surface formed from the same material as the cylinder block, and which has the desired final surface finish. Pistons are mounted within each of the bores for axial movement relative to the cylinder block. Each of the pistons is formed from a steel material and has an exterior surface that is in sliding contact with the internal bore surface. The subject cylinder block is processed to provide a steel-to-steel interface between the bore and piston and eliminates the need for liners to be specially formed or installed within each piston bore.
    • 用于轴向柱塞泵或马达的气缸体由钢材料形成。 该块包括多个孔,每个孔具有预定的最终材料表面光洁度的内孔表面。 孔经受各种加工和热处理工艺以提供由与气缸体相同的材料形成的孔表面,并且具有期望的最终表面光洁度。 活塞安装在每个孔内,用于相对于气缸体的轴向移动。 每个活塞由钢材制成并具有与内孔表面滑动接触的外表面。 主体缸体被处理以在孔和活塞之间提供钢 - 钢接口,并且不需要在每个活塞孔内特别形成或安装衬垫。