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JP4473441B2 |
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JP2009291918A |
To solve the problem that it is difficult for prior art to inexpensively and highly reliably extend the fatigue life of a metal material subjected to a repeated load history.The method of extending the fatigue life of the metal material ...
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JP4375930B2 |
A method of refurbishing turbine engine vanes in which an alloy blend of a cobalt based superalloy and a nickel based superalloy corresponding to the base material of the turbine vane cobalt platform and the base nickel material of the r...
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JP4346121B2 |
A machine for hard-rolling a workpiece such as a crankshaft includes a drive apparatus (7) for rotating the crankshaft (8, 113), suspension apparatuses (9 to 17), hard-rolling devices (18 to 26, 111) movably supported by the suspension a...
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JP4324780B2 |
The invention relates to a method for fine machining a cylindrical inner surface which has materials of different hardnesses in the axial direction, and comprises the following steps: pre-turning of the surface, with at least one softer ...
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JP4319829B2 |
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JP4319830B2 |
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JP2009161793A |
To provide a friction stir coating method for easily applying coating to the inner surface of a hole part by using a friction stir technique.The friction stir coating method is provided in which a base material 1 and a rod 2 are relative...
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JP4269443B2 |
A surface treating and smoothing method of surface-treating and smoothing a sliding member (7) including steps of finishing the sliding member (7) by pressurized particle containing fluid blasting to a sliding surface with surface roughn...
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JP2009108856A |
To provide a method for treating a thermal barrier coating on a turbine engine component to extend effective lifetime of the turbine engine component.A method of treating the thermal barrier coating comprises applying a dopant compositio...
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JP4263185B2 |
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JP4235176B2 |
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JP4232917B2 |
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JP2009014126A |
To inexpensively produce a roller bearing capable of securing a sufficient service life under a condition with foreign substances entrapped.Before hardening cylinder rollers 7, 7, both axial end edges of these cylinder rollers 7, 7 are c...
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JP4167782B2 |
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JP4118876B2 |
A tubular workpiece, which is made of a hardening ferritic-pearlitic steel and which is intended for a fuel high-pressure accumulator (rail) of a common-rail fuel injection system (system) of internal combustion engines, comprises an axi...
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JP4104778B2 |
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JP4079202B2 |
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JP4058479B2 |
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JP4040093B2 |
In known methods for producing rotationally symmetrical valve seat faces, the valve closing body is brought into contact with the valve seat face of the valve seat body, set into a rotary motion, and set parallel to the rotary axis into ...
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JP4039474B2 |
A rolled profile, especially a road or railway rail, consists of an iron alloy which contains C, Si, Mn, optionally Cr, special carbide forming and transformation modifying elements and/or micro-alloying additions, balance Fe and impurit...
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JP2008014309A |
To achieve a desired penetration depth of residual compressive stress by varying parameters of a burnishing operation.This method comprises a step of providing a metal component 122 having an exterior surface, and a step of using a burni...
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JP4036094B2 |
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JP4032304B2 |
The method involves providing a plastic distortion by deformation to flatten the rough surface of the metal material. The pressing force is applied to the press direction on both sides of the metal material whose thickness ranges from 2 ...
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JP4024122B2 |
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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JP4015508B2 |
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JP4005189B2 |
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JP2007526133A |
An apparatus comprises a rotating member having one or more rollers. The one or more rollers have a plurality of protuberances. The rollers may be advanced toward a surface during rotation of the rotating member, such as toward a bore su...
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JP2007518032A |
The plant for the manufacture of a camshaft from a shaft (2) and a number of cams (3) pressed out from it has at least two machining stations of which at least one is a roller-burnishing station and at least one is a pressing-out station...
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JP3907828B2 |
To reduce man-hours and working time without providing an adhesive by providing a plurality of projecting parts made of metal being forced into a cutout part or a hole part being provided on a heat sink on the lower surface of an insulat...
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JP3863338B2 |
To work the surface of a workpiece easily by collision without loss and consumption of a shot, by providing a vibrating surface and an emitter emitting toward a worked surface by this vibrating surface, and holding each emitter in a devi...
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JP2006289564A |
To provide a minute recess machining device which can form a minute recess in an internal surface of a workpiece with good accuracy, contributes to reduction in machining cost, and can uniformly eliminate a heaping-up portion occurring o...
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JP3837248B2 |
To join a joint surface of steel materials as film as possible by rolling the joint surface of steel materials with constant pressure using a rolling dies constructed by forming rolling blades concentrically one or plural crest parts on ...
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JP3830250B2 |
To prevent chips from gathering and sticking to a periphery of a tool or a workpiece by arranging plural opening annular cover plates through which a foreign matter and the chips can pass in a deep rolling process. An annular opening 14 ...
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JP2006232241A |
To effectively prevent the positional deviation of a guide bar piece (a glass run channel) which is mounted on a window frame of a vehicle to guide the slide movement of a window plate (a window glass).When a window frame 12 is manufactu...
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JP3804871B2 |
A method and apparatus for knurling a workpiece in which the knurl pattern has an oblique helix angle relative to the longitudinal axis of the cylindrical workpiece. Also disclosed is a method of molding a molded article with the knurled...
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JP3798496B2 |
To eliminate the need for electro-chemical machining required hitherto, shorten the time required to machine recessed parts for oil basins, and reduce the manufacturing cost of a cylinder block. With the machining method for the bore sur...
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JP3781870B2 |
To manufacture a bearing wherein an internal peripheral surface part of a hole for the bearing is worked in high uniformity in a peripheral direction. By a work piece chuck 10, a sleeve member 22 is held in a fixed position. Except an up...
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JP2006124830A |
To provide a protective layer for a turbine blade having erosion resistance, impact resistance and wear resistance.A protective structure comprising an α-β titanium alloy, a β-titanium alloy or a near-β titanium alloy is formed as a ...
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JP2006122969A |
To solve problems such as softening of weld metal or a heat affected part, marked deterioration of toughness, corrosion resistance, etc., and resultant lowering of joint efficiency of a weld joint to 50-80%, which are caused by change in...
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JP3771007B2 |
To provide a surface hardening treating method and a device thereof giving prescribed compression residual stress and hardness to a surface layer of a steel ball for a ball bearing in a shorter time than in the past. In an inner wall of ...
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JP2006104550A |
To provide a high strength PC (prestressed concrete) steel bar in which the delayed fracture resistance of a spot-weld zone is satisfactory, and which has a strength of ≥1,400 MPa, and to provide a method for improving its delayed frac...
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JP2006068829A |
To provide a device and method for micro-forming the hole inner surface, reducing the cost.In this micro forming device and method, a micro projecting and recessed part is formed on the inner surface of a hole part 2 formed in a workpiec...
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JP3751794B2 |
A machining tool for manufacturing a radial bearing, and a manufacturing apparatus and a manufacturing method using the machining tool are provided. The machining tool includes an inner surface finishing tool to finish an inner circumfer...
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JP3734507B2 |
A machine part includes a surface suitable for rolling contact and/or sliding contact on another machine pad and made by an at least two-stage honing process, with a first honing step effecting a surface texture exhibiting a plurality of...
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JP3734656B2 |
To provide a method of forming a hard carbon film containing various metals without deteriorating the characteristic of the arc discharge ion plating method, i.e., the ability to perform uniform film deposition. While supplying a carbon-...
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JP2006500230A |
The crankshafts have rounded areas (14) between the bearing points and the transitions (7) adjoining same which are then roller-burnished with a roller-burnishing tool. Whilst keeping a distance (17) from the relevant transition the bear...
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JP2005271136A |
To apply residual compressive stress to the surface of a treated part of an engine part by causing pulse-like discharge between a discharge electrode and the surface of an energizing tape to make plasma collide with the surface of the en...
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JP2005271197A |
To provide a metallic semi-finished work finishing method.A semi-finished work is worked before hardening in a first step of the method. In the finished work, a face of the high quality to meet the request for the high quality is burnish...
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JP2005271037A |
To provide an apparatus for machining minute recesses, which can drastically improve the machining accuracy of the minute recesses by suppressing the occurrence of bending when the minute recesses are formed on the outer peripheral surfa...
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