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JP5261135B2 |
To provide a burnishing tool for forming dimples capable of forming dimples on an outer peripheral surface of a workpiece without using an exclusive mechanical equipment. The dimple-forming burnishing tool 1 comprises: a head body 30; a ...
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JP5262015B2 |
To provide a fillet roll forming device simplifying device consfiguration to reduce a device cost and dispensing with arm position restoration. The fillet roll forming device comprises: an arm opening/closing mechanism part 14 mounted to...
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JP5256327B2 |
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JP5221635B2 |
A dimple-forming burnishing tool allowing easy adjustment of a dimple shape is provided. The dimple-forming burnishing tool has a mandrel attached on a rear-end side thereof to a processing machine for rotation, and a cylindrical frame r...
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JP5209904B2 |
The method involves exposing surface areas of a disc spring (111) or wave spring during stressing of the spring, where the surface areas are provided with a residual compressive stress in an edge section. The surface areas are compressed...
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JP3183000U |
To provide a repair jig capable of easily and satisfactorily repairing a damaged portion formed on the surface of a portion to be repaired. This is a repair jig 10 for repairing a damaged portion formed on the surface of the repaired por...
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JP5178016B2 |
A method for preparing a surface (32) includes providing an article (30) having an article surface (32), thereafter first processing the article surface (32) to establish a first residual compressive stress state and a first surface roug...
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JP5169054B2 |
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JP5123819B2 |
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JP5113422B2 |
There is disclosed a roller burnishing apparatus including a first member moved relative to an object to be burnished, a second member movable relative to the first member in a relative movement direction, a burnishing roller held by the...
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JP5094866B2 |
The fixed-rolling machine (2) for crankshafts (5) has several fixed-rolling apparatus (3) alongside each other in the direction of the axis of rotation (4) of the crankshaft, with side spacing (6). At least one of the fixed-rolling appar...
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JP5038290B2 |
Method for rolling the recesses or radii on the transitions between bearing pins and sides or flanges of crankshafts with the aid of a rolling unit (1) comprises measuring on the hinge (24) the penetration depth of the rollers in the rec...
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JP5033057B2 |
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JP5005406B2 |
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JP4939622B2 |
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JP4918960B2 |
A micro-roll forming device for providing a cylindrical blank metal article with a minute convexoconcave bearing surface, comprises a powered article holding structure that, when energized, rotates the cylindrical blank metal article abo...
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JP4825282B2 |
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JP4753634B2 |
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JP4741212B2 |
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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JP2011138580A |
To provide a burnishing treatment method for smoothing the surface of a magnetic disk while suppressing contamination of the magnetic disk caused by shedding of abrasive grains.The burnishing treatment method for a magnetic disk polishes...
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JP4697393B2 |
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JP4688084B2 |
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JP4658781B2 |
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JP4658789B2 |
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JP2011036931A |
To provide a surface-machining method capable of repairing a blow hole without destroying a casting by pressing a periphery of the blow hole by a spherical body even in the thin casting.By using a surface-machining device including a sur...
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JP2011504422A |
Disclosed is a device for deep-rolling transition radii (5, 6) of crankshafts (1). Said device comprises at least one ruler-shaped rolling element (12, 13) that can be moved back and forth in one direction and has a substantially rectili...
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JP2011005570A |
To provide a cutting and burnishing apparatus and a cutting and burnishing method capable of continuously and accurately performing cutting and burnishing work even on an outer peripheral surface of a curved workpiece.The cutting and bur...
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JP2010274386A |
To provide a sliding material of Si-particle-containing Al-Si alloy, preventing generation of scuffing (in particular, at low temperature) on a sliding surface.The sliding surface contains at least 17-35 mass% of Si, and includes groove ...
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JP4586651B2 |
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JP2010535107A |
The method for roll strengthening the transition radii (5) of crankshafts (2) involves providing at least one rolling element (1) for introducing at least one force into the workpiece, providing at least one support element for supportin...
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JP4575899B2 |
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JP2010234511A |
To provide a finishing tool for a sealing surface, which is simplified in structure and reliably smoothes cutting marks spirally formed on the sealing surface when subjected to cutting work with a rotary type cutting tool.The finishing t...
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JP2010214567A |
To provide a roller press-working apparatus which works the internal surface of a cylinder bore by press-working to a desired imperfectly round shape.A mandrel 4 having an imperfectly round sectional shape is inserted into the center of ...
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JP4543218B2 |
Process for manufacturing a wheel rim in light alloy including the following operations: providing a rough wheel rim in light alloy, comprising a wheel disc and an annular portion, the annular portion including a first and a second bead ...
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JP4499745B2 |
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JP4466267B2 |
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JP4417961B2 |
Inner sides (8, 9) of the casings (6, 7) on each side of the rotation axis (15) of the split-pin crankshaft (5), and radially spaced from it, have extension sections (26, 27). These extend in the direction of the rolling force (12), to b...
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JP2010005752A |
To provide a surface processing tool for repairing a cavity on a surface of a casting capable of removing an excessive thickness part accumulated on a tool surface.The surface processing tool 1 for processing an inner peripheral face CS ...
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JP4378907B2 |
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JP4373927B2 |
A throw-away burnishing tool for an outside diameter includes: a tool holder having a rectilinear I-shaped portion and a protrusion portion; a hard material tip detachably attached to a tip holder; a holder pin connected to the tip holde...
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JP4371044B2 |
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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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JP4340216B2 |
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JP2009220225A |
To provide a roller burnishing tool capable of smoothening the access of a vane into a groove and of performing a surface burnishing for reducing damage efficiently and stably at low cost.This roller burnishing tool includes a shank deta...
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JP4323357B2 |
A process for producing a pulley for a belt drive CVT, including subjecting tapered surfaces of a preform of at least one of input and output pulleys to surface hardening, subjecting the surface-hardened tapered surfaces of the preform t...
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JP4302574B2 |
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JP4284951B2 |
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JP4284956B2 |
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JP2009119542A |
To provide a rotating tool for drilling capable of forming a hole with high drilling accuracy in a drilling object.A rotating tool 1 for drilling is formed in a stepped shape, having a blade part for reamer drilling, a blade part for bur...
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JP4265464B2 |
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