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WO/2003/095855A1 |
At least a raceway portion (1c) of a blank (B) for a bearing raceway member is hardened by heat treatment, finished at a predetermined accuracy, and then roller-burnished and work-hardened. The blank (B) made of bearing steel is processe...
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WO/2003/090971A1 |
The invention relates to a deep rolling roller head (1) of a deep rolling tool for deep rolling radii or recesses (22) on the main and lifting bearing journals of crankshafts (21). Said deep rolling roller head is equipped with a housing...
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WO/2003/090972A1 |
The invention relates to a hard-rolling roller head (1) pertaining to a hard-rolling tool for hard-rolling radii or recesses (22) on the main and lifting bearing journals of crankshafts (21). Said roller head comprises a housing (2) in w...
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WO/2003/082512A1 |
The method and apparatus for performing the method of forming a weld joint of the present invention utilizes welding apparatus (100) having welded tool (102) and a compression tool (106) for inducing a layer of residual compressive stres...
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WO/2003/061906A1 |
The roll-hardening device (8) pertaining to a roll-hardening machine (1) for crankshafts (3) is configured like a pair of scissors. Two pivotable scissor arms (9, 10) respectively comprise a roll-hardening head (13) or a support roller h...
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WO/2003/061866A1 |
The invention relates to a method for deep rolling and dressing crankshafts. According to said method, values relating to the deformation behaviour of the crankshaft during the deep-rolling method are determined for said crankshaft in a ...
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WO/2003/046893A1 |
A system and method for treating (e.g. polishing to remove defects) the surface of a medium, such as a magnetic hard disk, while in operation, such as during dynamic electrical testing is disclosed. Further, a method for manufacturing a ...
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WO/2003/039804A1 |
The welding apparatus (100) and associated method are provided. The welding apparatus includes a welding tool (102) for forming a weld joint (28) along the surface of at least one workpiece (12). The welding apparatus also includes a com...
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WO2002042018A9 |
There is provided a new and improved apparatus (20) and method for rolling workpieces such as crankshafts (22). The apparatus has first (70) and second (72) rolling heads mounted at spaced positions along a common rolling arm (74) to rec...
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WO/2002/092255A1 |
Metal cold-working tooling (90) and method of employing such tooling. The tooling is used to produce deformation in a workpiece (132), to provide a selected beneficial residual stress profile in the workpiece, in order to provide high fa...
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WO/2002/072907A1 |
The invention relates to a method and device for the production of coated bores, whereby the bore wall is plasma sprayed with a coating material after formation of the bore. According to the invention, an adequate resistance of the coati...
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WO/2002/043896A1 |
The invention relates to a method and a device for the continuous production of workpieces (12, 12', 12'') from an unprofiled longitudinal section (14, 14') with a round surface (16) and/or at least one bore (16') or similar recess. Said...
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WO/2002/030619A1 |
The invention concerns a method for peening a workpiece comprising at least a thin wall (12'') defining two opposite main faces, the square root of the surface of each face being greater than the average distance between two said faces b...
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WO/2002/024411A1 |
The invention concerns a method for transverse ultrasound peening of blades (2) on a rotor which consists in driving in rotation the wheel (3) bearing the blades (2) about its geometrical axis (6) arranged substantially vertically and in...
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WO/2002/024407A1 |
A fillet rolling tool for deep rolling journal fillets (62) is provided. The tool includes a housing assembly (74) having a cavity (75). A backup roller (80) having an annular groove (82) is disposed in the cavity and is rotatably suppor...
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WO/2002/022284A1 |
The invention relates to a roller cage (6) for at least one hard-rolling roller (3) of a tool for hard-rolling grooves or radii on bearing points (1) of crankshafts, whereby the hard-rolling roller (3), on a section of the periphery ther...
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WO/2002/006007A1 |
A micro burnishing apparatus using ultrasonic vibration wherein a structure is contacted at a surface thereof by a ball of a burnishing head while the burnishing head is inserted into a horn, the horn being coupled to an ultrasonic oscil...
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WO/2001/092716A1 |
The invention relates to a method and a device for treating edges in a high-pressure fuel accumulator comprising a longitudinally extended tubular casing body (1) which is provided with a through recess (2) in a longitudinal direction, t...
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WO/2001/087542A1 |
Apparatus (10) is disclosed for finishing the inside of hollow work-pieces (12) such as long hydraulic or pneumatic cylinders. A rotatable skiving and roller burnishing tool is advanced into one end of the work-piece and advanced through...
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WO/2001/064398A2 |
The burnishing method and apparatus for implementing the method of the present invention utilizes a burnishing process to provide deep compression with a minimal amount of cold working and surface hardening. In particular, the method of ...
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WO/2001/064397A2 |
The present invention is a novel method of reducing tensile zones in the surface of a part comprising the steps of selecting a region of the part to be treated and programming a control unit (132) of a burnishing apparatus (100) to perfo...
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WO/2001/036158A2 |
The invention concerns a shot blasting method called ultrasonic using a mist of microbeads inside a working chamber (30c), and more particularly a method for shot blasting workpieces (21) on a wheel (19), such as the vanes of turbo-machi...
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WO/2001/034870A1 |
A sputtering target having a ground surface with no directionality having a surface roughness of Ra $m(F) 0.5 $g(m)m; and a method for grinding a sputtering target, characterized in that grinding is carried out by using a plane parallel ...
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WO/2000/076724A1 |
The roll-hardening device (8) pertaining to a roll-hardening machine (1) for crankshafts (3) is configured like a pair of scissors. Two pivotable scissor arms (9 and 10) respectively comprise a roll-hardening roller head (13) or a suppor...
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WO/2000/020170A1 |
The burnishing method and apparatus (100) for implementing the method of the present invention utilizes a single-point burnishing process to provide deep compression with a minimal amount of cold working and surface hardening. In particu...
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WO/2000/008232A1 |
A method of treating a bearing surface (12) of a component (10) formed from a base material is described. The method comprises the steps of bringing the surface (12) into proximity with rollers (14, 16), the rollers and surface are then ...
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WO1999047303A9 |
Tooling and a method of employing tooling (90, 130) to produce beneficial stress waves in a substrate (132) to provide high fatigue life structures. Stress waves (159, 152) are provided to work a substrate, causing dimples (170) in the w...
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WO/1999/015303A1 |
The invention relates to a rolling device for generating pressured internal stress in a chamfer (5) running along the wall (2) of a material recess (3) in a component (4), comprising at least one carrier (7) which can move along said cha...
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WO/1998/051432A1 |
Deep rolling equipment for cold working fillet radii of annular undercuts (F, F') on opposite sides of crankshaft journals has pairs of jaws (42, 43) movable between an open position for receiving the crankshaft journals and a closed pos...
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WO/1998/041360A1 |
A vehicle wheel (30) has an outboard face which includes a burnished portion to provide a cosmetic finish to the wheel face. The method for burnishing the portion of the wheel face.
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WO/1998/032984A1 |
A dry bearing (10�2?, Fig. 2(f)) for a hinge pin or the like comprises a bush 40�2? mounted in a radially supportive housing (16), the bush being formed by a circumferentially discontinuous tubular form made by rolling a strip of ste...
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WO/1998/026910A1 |
The invention relates to a method for increasing the solidity of surfaces of workpieces manufactured from hard brittle materials. The invention is characterized in that narrowly defined surface areas of the workpiece are brought into con...
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WO/1997/040961A1 |
A peening particle support having a plurality of asymmetrically arranged peening particles positioned to minimize tracking on a workpiece. The peening particles are attached to an exposed surface of the peening particle support. The peen...
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WO/1997/033716A1 |
A method of polishing selected ceramics and metals is provided wherein the selected ceramic or metal material is rubbed against a solid surface in the presence of a nonabrasive liquid medium which only attacks the selected ceramic or met...
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WO/1997/026112A1 |
In prior art processes for producing dynamically balanced valve seat surfaces, the valve closing face is brought into contact with the valve seat surface, rotated and caused to oscillate at high frequency parallel to the axis of rotation...
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WO/1997/022441A1 |
A burnish head comprising a slider body (10) having a single crystal diamond (18) attached to a rear portion (19) flies above the disk surface at a relatively low flying height when the disk is rotated at a high angular velocity. The dia...
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WO/1996/030159A1 |
A cylinder liner (1) for a piston engine, such as a large two-stroke crosshead engine, has a running surface for the piston rings on the inner surface (7) of the liner. The cylinder liner has an internal diameter in the interval from 25 ...
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WO/1996/022169A1 |
Machine and method for deep rolling fillets of split-pins of engine crankshafts. Each split-pin comprises neighboring and arcuately offset crank pins (24, 26) connected between counter weigths and has a centralized splitter fence (32) wh...
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WO/1996/012589A1 |
A machining apparatus (20) for deep fillet rolling the undercut radii of a crankshaft (22) includes an adjustable support means or workholder (24) and a rolling tool assembly (26).
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WO/1996/011772A2 |
A fastener (80) for use with a rotary peening flap (10) to secure at least two overlapping strap (16) portions together. The fastener (80) includes a shaft (90) for extending through apertures in the overlapping strap (16) portions, a he...
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WO/1995/010392A1 |
The proposed device for applying coatings comprises an application brush with a metal pile (2) and a lamellar element (4) consisting of the coating material. The brush pile picks up coating particles from the element (4) and transfers th...
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WO/1995/010391A1 |
The proposed device for applying coatings comprises an application brush (1) with a metal pile (2) and an element (3) consisting of the coating material. The brush pile picks up coating particles from the said element and transfers them ...
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WO/1995/005266A1 |
A tool for boring, skiving, and roller burnishing the interior of a cylindrical workpiece utilizes a dual roller burnishing system incorporated into the tool. The tool includes a drive tube assembly (24-224) which attaches to a drive mem...
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WO/1994/029077A1 |
A method of polishing an object is disclosed. In one embodiment, as shown in the figure, the method comprises the steps of creating a polishing zone (10) within a magnetorheological fluid (2); determining the characteristics of the conta...
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WO/1994/021427A1 |
The invention relates to a process for hard-rolling a component (2) to be loaded along a load axis (1) in a notch (3) running approximately parallel to the load axis (1) and having a minimum radius of curvature (4) to be determined in a ...
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WO/1994/008066A1 |
Proposed is a substrate material (50) for use in a tool intended for working surfaces, the material consisting of a metal alloy with a homogeneous, fine-grained structure. The material (50) is machined to a specified size and surface rou...
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WO/1994/007655A1 |
Proposed is a tool for working the surfaces of components, the tool having several different zones permitting a single tool to be used simultaneously to harden and polish the surfaces of components and, in particular, finish them true to...
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WO/1994/004313A1 |
A method of polishing an object is disclosed. In one embodiment, the method comprises the steps of bringing the object (14) into contact with a fluid (11); moving at least one of the object (14) or fluid (11) with respect to the other; a...
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WO/1990/006835A1 |
The device comprises a fork-shaped rocker (1) in which is rotatably mounted a roller (2) with a main toroidal surface (17) and an additional toroidal surface (18) gradually conjugating with the former surface. The device further comprise...
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WO/1990/001394A1 |
A roller tool for burnishing and/or hard rolling comprises at least one roller rotatably mounted, guided and supported on a roller head. To reduce the dimensions of the roller head and to eliminate the effect of the inertial mass of supp...
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