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Patent Searching and Data


Matches 651 - 700 out of 4,226

Document Document Title
JP2012045598
To provide a form-rolling apparatus capable of arbitrarily adjusting a phase of form-rolling even if a workpiece is supported from both sides with centers.A phase adjustment guide 64, of which the inner wall face has a shape formed to be...  
JP2012045612
To provide a method of manufacturing a vehicular hub unit capable of correctly forming a predetermined projecting part on an inner diameter side of a spline tooth part by preventing deformation to the inner diameter side of a hub shaft e...  
JP2012040585
To provide a method of treating a ring-like roughly shaped material comprising a treatment condition for suppressing or closing an inner air gap generated in a ring in hot ring rolling processing.In this method of manufacturing the ring-...  
JP2012040587
To reduce wear of side-surface dies attached to a roll member of a mandrel of a ring rolling mill.The ring rolling mill includes the mandrel 2 in which a first side-surface die 6 is attached to one end portion of the roll member 5 freely...  
JP2012040606
To provide a method of manufacturing a screw shaft with superior yield, and to provide a screw shaft for electric power steering.Form rolling is performed in a range that is longer than the sum of the required screw lengths of two produc...  
JP2012030241
To readily form a prepared hole in which burrs are controlled when processing a prepared hole for a thread by a turret punch press.A punching die for forming a prepared hole for tapping, includes: a die 7 for supporting a workpiece W; an...  
JP2012030234
To provide a rotational plastic working apparatus and an operation method for the rotational plastic working apparatus capable of improving plastic working accuracy of a preheated workpiece.The rotational plastic working apparatus is pro...  
JP2012011420
To provide a method of manufacturing a deformed cross-section strip material capable of reducing variation in plate thickness that occurs at the start of working after coil exchange, to prevent occurrence of failure at the time of finish...  
JP2012011432
To provide an apparatus for manufacturing a hollow shaft member with a flange, capable of reducing a production cost and guaranteeing the reliability of the strength at a joint of the flange.The apparatus 1 for manufacturing the hollow s...  
JP2012006043
To provide a method for manufacturing a crude member of a bearing outer ring with an excellent rolling fatigue life which controls an interface state of a non-metal inclusion contained in a steel material and steel as a basic phase.In th...  
JP2012000628
To provide a form rolling method for effectively forming an involute gear without generating forced plastic deformation to a workpiece.A form rolling method for an involute gear, which includes a workpiece 10 including a cylindrical oute...  
JP2011255410
To provide a method for manufacturing an annular compact, which reduces manufacturing cost, while securing a mechanical strength of the constitution in a product region sufficiently.The method for manufacturing an annular compact include...  
JP2011255387
To provide a form rolling machine which is insusceptible to influence of "walk" by allowing a workpiece holding pedestal to slide in parallel to a rotating shaft of a roll die in accordance with the "walk" during form-rolling a workpiece...  
JP2011255409
To provide a method for manufacturing an annular molding capable of reducing facility expenses and manufacturing costs, while sufficiently heightening mechanical strength by securing uniformity of a structure in the annular molding.The m...  
JP2011240360
To provide a method of manufacturing a vehicle wheel, capable of reducing the thickness of a rim part compared with a disk part, while integrally forming the rim part and the disk part from a plate material, and also reducing the weight ...  
JP2011235303
To provide a method for rolling a helical spline component which enables a cost reduction by mass production and a short length and implements a high degree of freedom in shape.A plurality of dies 12 each composed of two integrally super...  
JP2011224605
To provide a forging method capable of improving the forming limit of a material.The forging method is provided for extending a cylindrical material 18 in the radial direction thereof by pressing a cylindrical roller 12 to an end face 28...  
JP2011224588
To provide a device for forming a deep hole of a hollow component allowing processing at a high load by preventing deformation due to self-weight of a heated workpiece, and excelling in its work efficiency and a product yield.The device ...  
JP2011224625
To efficiently roll a sector gear with high rigidity, and to roll the sector gear like a round gear.Rotational control is performed by rotating a first spindle 4 and a second spindle 5 facing each other forward and backward to make a cir...  
JP2011224608
To avoid a problem of over-threading of an axis member having shaped sections with two kinds of different, large and small, diameters.In a cross section of a section 32 with a large diameter, the area ratio of a projection 32b other than...  
JP2011224581
To provide a roller forging method for preventing facility cost from increasing in order to skip the next process to reduce production cost, and to obviate the need of a complicated shape by preventing occurrence of surface layer flow, i...  
JP2011218380
To provide a device for manufacturing a stepped shaft member reducing a load acted onto a material rotary shaft and preventing buildup generated on a peripheral surface of the shaft member while preventing a working time from being incre...  
JP2011218375
To provide a press roll shaping machine in which work for transferring a metal mold in a roll movement direction is simplified.The shaping machine includes a sliding means 8 capable of sliding a metal mold 3 in the direction of the movem...  
JP2011218455
To improve machining efficiency by making a cutting time shorter than that of each of conventional electrodeposited grinding wheel and a pinion cutter.This tooth flank generating tool includes a body 11 and many stages of blades 12, 12.....  
JP2011218374
To provide a press roll shaping machine capable of correctly shaping a material piece by suppressing the positional deviation of the material piece.The press roll shaping machine includes a guiding means 8 for regulating the movement of ...  
JP2011208751
To provide a rolling bearing, a method for manufacturing a roller, and a roller machining device, achieving both excellent surface damage resistant performance and excellent lubricating performance.This cylindrical rolling bearing 1 incl...  
JP2011189387
To provide a press roll forming apparatus and a press roll forming method which can reduce the amount of the material to be discarded by the use of a material piece having a reduced size.The press roll forming apparatus comprises a press...  
JP2011183415
To provide a lead screw manufacturing method for manufacturing lead screws rich in productivity and having low manufacturing cost.In the lead screw manufacturing method, a hoop material 1 is prepared (Fig.1(A)), the hoop material is fed ...  
JP2011183410
To provide a press device capable of performing press working and finish working continuously with the satisfactory efficiency.The finish working mold 18 of the press device 2 includes a finish working tool 60, a rotation mechanism for a...  
JP2011183432
To provide a method and a program for rim roll forming analysis simulation capable of performing the analysis processing of the deformation mode in a short time while maintaining the desired analysis accuracy in a rim roll forming proces...  
JP2011177732
To provide a closing work method of a tubular body capable of securing sealability of a part to be sealed without strictly regulating the thickness tolerance, the positioning accuracy or the like of the tubular body, and also to provide ...  
JP2011173130
To form a recessed groove having high shape accuracy on one-side face of a disk to improve the traction property stably and at a low cost.A form roller 17 which has the curved surface 20 having a shape corresponding to the recessed groov...  
JP2011173169
To manufacture at a low cost a machine element for an auxiliary rack-and-pinion steering system comprising an electric motor for motor vehicles.The machine element is provided, at least on a part of its axial length, with first toothing ...  
JP2011169458
To provide a metallic glass fastening screw which is high in strength and achieves fastening of high reliability in a wide field including a lightweight member by imparting a hardly loosened property to the screw itself.In machining a th...  
JP2011167749
To provide a form rolling die having very excellent practicability which can prevent damage, burr or the like on a tooth flank of a member to be form-rolled by suppressing interference between the member to be form-rolled and a form roll...  
JP2011156556
To provide an apparatus for manufacturing a sprocket segment capable of manufacturing the sprocket segment with a desired shape at a low cost without installing particular equipment for deforming a tooth part, equipment with high pressur...  
JP2011152560
To provide a flat die for form rolling capable of making groove depths of a workpiece uniform without changing the total length of a die or the time for machining the workpiece.The flat die for form rolling includes a lead-in part 11, an...  
JP2011147977
To provide a method of producing a copper strip material having a deformed cross section, by which a slitting process is omitted.The method of producing the copper strip material having the deformed cross section comprises: a strip mater...  
JP2011141032
To provide a screw made of a magnesium-base alloy excellent in strength.The magnesium-base alloy screw is made of the magnesium-base alloy containing Al by 5.5-12 mass%. The magnesium-base alloy screw is formed by forming and shaping a d...  
JP2011136362
To provide a device and a method for grooving an electrical steel sheet, by which a uniform groove shape is formed easily on the surface even when the sheet thickness of an electrical steel sheet is varied.The device for grooving an elec...  
JP2011133217
To improve heat transfer characteristics of a heat transfer pipe and to provide a method of manufacturing the heat transfer pipe.This invention relates to the heat transfer pipe including a pipe axis, a pipe wall, a pipe outer face and a...  
JP2011115799
To provide a method of form-rolling, a working device and a formed body, wherein the generation of the staggers for performing the form-rolling of a form-rolled body or a screw body excellent in dimensional accuracy is reduced.In a metho...  
JP2011110595
To provide a method of manufacturing the various kinds of the base stocks for rings, at a low running cost without almost taking labor and time for changing the set when manufacturing a ring-shaped base stock such as the inner and outer ...  
JP2011110756
To provide a mouthpiece engraving machine which can perform engraving on a mouthpiece at low cost.Two supporting rollers 32 are rotatably attached in parallel to a supporting block 20 which can linearly move in an arrow M1 direction alon...  
JP2011110599
To provide a method of manufacturing the various kinds of the base stocks for rings, by which there is almost no need of time and labor for changing a set and running cost is low.By changing the length of a ring-shaped base stock which i...  
JP2011098359
To provide a plastic working apparatus which has as simple constitution as possible and nonetheless surely plastically works a flat-plate base stock into a shape having a desired thick portion other than a boss part.The plastic working a...  
JP2011088190
To provide a method for manufacturing mounting hardware for mounting a TV body on a wall in which a mounting hardware plate and a blind nut are integrated with each other, and to provide a tapping tool used therefor, i.e., a method for m...  
JP2011079043
To provide a method of manufacturing annular moldings, a method capable of manufacturing annular moldings that are made of the same material and that have partially different characteristics, and to provide the annular moldings manufactu...  
JP2011078993
To provide a form rolling die which can securely and inexpensively form a bolt (screw) with a profile combining a male screw part located at least at one end and a profile having a non-circular cross-section from a columnar sock by singl...  
JP2011062711
To provide a vertical rotary plastic working device capable of exchanging a forming die with a comparatively simple and inexpensive configuration while preventing adverse effect due to the heat of a heating means or the like.In the verti...  

Matches 651 - 700 out of 4,226