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JP3115895B2 |
A crank throw comprises two arms (1) and a crank pin (3). Each arm includes a bore (2) to be shrink-fitted over a pin portion on a main bearing pin. Before assembling the shaft, the bore (2) is subjected to a radial pressure of a level b...
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JP2000310329A |
To improve surface strength of a large end and a small end and ensure toughness of a connecting rod part. This connecting rod comprises a large end 11b to which a crankshaft is connected, a small end 11a to which a piston is connected, a...
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JP2000514168A |
An article comprising a non-conductive substrate, preferably of an environmentally degradeable character, having a thickness of an oxidizable metal coating thereon, and optionally an oxidation enhancingly effective amount of a salt, e.g....
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JP3090430B2 |
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JP3078027B2 |
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JP3074424B2 |
PURPOSE: To perform finishing process of an uneven surface of a thermal spray material layer formed on a conical surface portion on the inside diameter of a ring-shaped parts quickly and easily by means of a simple device. CONSTITUTION: ...
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JP2000198029A |
To provide an economical surface layer removing method for a metallic plate, capable of reducing costs by realizing removal of the surface layer for the metallic plate by using a press working method, and improving work efficiency by dra...
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JP2000158258A |
To give sufficient rigidity to a workpiece formed into a thin wall while receiving torque during rotational cutting to enable more accurate mirror face to be worked by cooling molten resin to join the resin solid body with the opposite s...
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JP2000126929A |
To produce a high quality gear efficiently, and to clean the working environment thereof at a low cost with a device such as a dust collector. This device comprises a shot peening device 1 providing shot peening treatment for a gear 5 th...
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JP2000129359A |
To form an arc-like coil spring without applying any unreasonable force. An arc-like coil spring 3 is formed by a process in which the coil spring 3 of a clutch disk where plural coil springs 3 for transmitting the torque to an arc-like ...
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JP2000107947A |
To improve the working precision of a cylindrical surface such as cylindricity and surface roughness by specifying the taper ratio of the tapered surface of a rotating member to the tapered surface of a tapered roller.The tapered roller ...
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JP2000103611A |
To obtain an amorphous carbon film capable of realizing a low coefficient of friction regardless of lubricating or unlubricating conditions and to provide a sliding member using the carbon film.This low-friction carbon film is obtained b...
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JP2000084703A |
To knurl a work without bending it regardless of a pipe material or a solid bar material or the like, to remarkably quicken knurling process speed as compared with the conventional examples, and to form knurling in good appearance with i...
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JP3024390B2 |
PURPOSE: To provide a forged aluminum foil excellent in corrosion resistance and excellent in fatigue strength by a simple surface treatment. CONSTITUTION: To the whole surface of an aluminum foil formed by an integral forging, a rotary ...
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JP2000061735A |
To reduce cost and improve efficiency by forming compressive stress on the surface of metal material, or lightening residual stress on the metal material into stress under yielding stress at room temperature. A specimen 1 is worked so th...
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JP3009829B2 |
The invention relates to a metal torsion bar (1) for vehicle suspension including a straight central part (2) which has a circular cross section, the said central part extending longitudinally between two fixing heads (3) designed to be ...
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JP2000038655A |
To easily and efficiently impregnate ions without the intrusion of impurities even in the case of a substrate having a cubic shape. A gas for generating plasma contg. impregnating substance is introduced into a vacuum vessel 1. A microwa...
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JP2000035015A |
To facilitate surface finishing working and to improve workability by providing a metallic layer constituted by sintering metallic powder after this metallic powder is press-fixed to an outer peripheral surface of columnar or cylindrical...
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JP2000007471A |
To impart a metallic margin for machining having high bonding strength to ceramics and easy to machine by coating at least the inside of a cylindrical hole in the ceramics with an alloy contg. a group IV a metal, e.g. and Ag-Cu-Ti alloy ...
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JP2992386B2 |
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JPH11343186A |
To provide a ceramic member having a cylindrical hole with a margin for metal processing which improves the joining strength with the ceramic material and which enables cutting process by coating the inner surface of the cylindrical hole...
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JPH11333724A |
To perform peening of a material by moving extra-high pressure water jets on the metallic front surface until the metallic front surface to be peened is brought into contact with extra-high pressure water jets and compressed. The front s...
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JPH11241605A |
To ascertain required durability as well as improving productivity and substantially lightening. This hollow integrated cam shaft is provided with a hollow shaft body 2 and a cam 10 having a cam ramp 11 and a cam nose 12 extending from t...
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JPH11140676A |
To provide a method and device for surface machining which are capable of achieving surface machining with excellent accuracy even when a work is small and three-dimensional, simple in constitution, practical, and excellent in productivi...
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JPH11124663A |
To effectively and efficiently execute the heating of a metallic roll base material for thermally spraying a glass material by subjecting a rotatively held metallic roll base material to total heating, furthermore partially subjecting it...
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JP2888106B2 |
PURPOSE: To correct the faces of teeth while preventing damages to carburized and hardened layers when the faces of teeth having carburized and hardened layers are corrected. CONSTITUTION: The carburized and hardened layers 20 are formed...
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JP2876206B1 |
[wrap up] [Task] In plant component equipment that reacts using high-temperature carburizing gas, carburizing and metal dusting can be suppressed or prevented easily at low cost. A metal member to which surface strain has been applied in...
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JPH1177442A |
To form dynamic pressure grooves in high efficiency and high accuracy by bringing the conical surface of a backup roller into contact with the conical surface of support rollers, and arranging a taper shaft, the support rollers, and the ...
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JPH1171642A |
To produce a sliding member jointly having rigidity, wear resistance and corrosion resistance at a stroke by subjecting a martensitic stainless steel contg. a specified amt. of C to cold forging as-annealed and subjecting the surface to ...
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JPH11502470A |
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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JPH1136083A |
To provide a method for hardening the surfaces of cutting tools and metallic materials high in hardness, in which the depth of hardened layers is high, enbrittlement is prevented and broken-edge or the like are hard to occur. The estimat...
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JP2849496B2 |
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JPH10309636A |
To efficiently manufacture a light alloy cast wheel without plating failure and improved in anticorrosion by combining a shot blast process to smash a comparatively deep pin hole and a shot blast process to smoothen its surface thereafte...
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JPH10309635A |
To provide a method for removing burrs to be generated after groove processing of a dynamic-pressure grooved bearing sleeve. Boring of the bearing inner peripheral surface 3 is performed to a bearing sleeve, dynamic-pressure generating g...
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JPH10305350A |
To obtain a removing device able to effectively remove a deposit by efficiently charging an energy to a work, without giving a shock so strong as to hurt the work. The molded body 50 adhering a molding sand at the circumference of the mo...
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JPH10265917A |
To obtain a high hardness glassy alloy, capable of easily forming an amorphous solid of bulk shape, and also a high hardness tool, prepared by using this alloy as a base material, by providing a composition containing Fe, Co, and Ni as e...
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JP2803437B2 |
PURPOSE: To permit the working for a crankshaft having a narrow gap between a journal part and a pin part by reducing the superposition of a bearing member in each hinge part and reducing the arrangement interval of a shaft part nipping ...
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JPH10225825A |
To reduce stress of the reverse of a spoke by installing a small roller instead of a cutting edge tool by the same machine, and increasing fatigue strength by pressurizing a high stress part such as the reverse of the spoke by the roller...
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JPH10213108A |
To provide a shield attachment method that can easily obtain inexpensive functional base material and facilitate mass production. In functional base material 10 composed of a shaft part 12, a head part 14 or a hollow body part 14 so as t...
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JPH10202434A |
To provide a long shaft internal machining device capable of preventing the occurrence of idle running due to the slip of sulfur without using sulfur nonslip paint. This machining device has a shaft rotating device for driving a long sha...
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JPH10193223A |
To realize marked reduction of a cost, and make a device capable of flexibly coping with a change of specification. This friction roller 100 is constituted so as to form innumerable protrusion parts 9 in a peripheral surface of a bar-sha...
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JP2745927B2 |
PURPOSE: To easily form a peep that is to be an introducing part at the time of press- fitting into the end part of a punching mark and to rationalize manufacturing work process by punching a coupling axis through shaping the end part of...
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JP2738955B2 |
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JP2564167Y2 |
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JPH1024U |
In accordance with the invention, a wheel (16) is used as the burnishing wheel for a helical thread, the periphery of which wheel has a profile whose shape matches that of the thread to be surfaced. The wheel (16) is mounted such that it...
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JPH1015816A |
To prevent the loss of elasticity even when large contact pressures are repeatedly applied to a mounting surface by cutting a mounting cylindrical inner surface of a bearing, and hardening the mounting cylindrical inner surface through r...
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JPH105022A |
To express softness and to improve decorativeness by forming fine ruggedness on an accessory represented by pierced earing and on the base material surface of a prototype article of this accessory. A fine rugged shape 3 is formed by exer...
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JPH106141A |
To easily remove glass fiber of a holder surface, and improve a transition of a lubricant to a rolling body by performing surface treatment by contacting a particle-shaped substance with its holder surface after a composite material stre...
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JP2683502B2 |
PURPOSE: To obtain a surface structure most adequately adaptable to actual operating conditions by generating channels by radiation machining on the surface of a machined workpiece thereby forming shallow depressions on the demarcated su...
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JPH09248720A |
To machine multi-point like recess of a required diameter and depth on a cooling drum peripheral surface even though a material of good anti-wear property, for example, a material with high hardness is used in a drum peripheral surface f...
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