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JP2007519528A |
A device and method for manufacture of workpieces having defined profiling. A device includes an axially moveable workpiece holder and at least one forming tool. There is a first drive structured and arranged to intermittently rotate the...
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JP3944818B2 |
To provide a new manufacturing method constantly and massively manufacturing stable and high-quality level variable vanes without using any cutting and welding. This manufacturing method for the variable vane 1 is characterized by having...
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JP3947204B2 |
The present invention provides method of fabricating components having internal teeth and rolling machine thereof, enabling large deformation at main rolling step omitting broaching step and step using gear shaper. A container having tou...
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JP2007518567A |
A method is described for producing a gearwheel from a powder-metal blank which is pressed and sintered with an allowance in the toothing region, with the powder metal blank supported on a mandrel being densified in the region of the all...
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JP3942243B2 |
To provide a rolled screw to prevent the occurrence of frictional resistance during access of a blank part and to effect smooth screw-in operation, in a rolled screw wherein a shaft part is provided at one with a head part and at the oth...
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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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JP2007167899A |
To provide a rolling-forming method with which the variation of a phase in a rolling die caused by a backlash of a speed reducer is removed by using a correcting movement with a simple program.In the rolling-forming method for forming a ...
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JP3941219B2 |
To prevent buckling in the circumferential part of a base stock in the case of forming the prototype of a rim from a thin disk-like base stock with a large diameter, in the manufacture of a pulley by roll forming. A thin disk-like base s...
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JP2007160364A |
To provide a squeeze roller which is free from breakage caused by forming load from a material, and free from biting of product chips left between side face forming wheels and a top forming wheel.The squeeze roller 1 having a groove 4 fo...
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JP3937631B2 |
To manufacture a ring-like product having a complicated sectional shape such as a bearing lace with a seal groove, in high quality and efficiently. This method uses a forming roll 1 for outer face processing, a mandrel 2 for inner face p...
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JP3938429B2 |
To enable screw rolling while assuring a fixed diameter size without being affected by a blank diameter and hardness by pressing a moving headstock in a direction nearer a stationary headstock and interposing a variable stopper member be...
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JP3938430B2 |
To provide a screw shaft manufacturing method which facilitates assembly of a nut onto a screw shaft by means of through rolling and which improves productivity of thread transfer mechanism. In this manufacturing method, a thread part 2 ...
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JP3936185B2 |
To provide a form rolling tool which prevents any wear of a form rolling profile surface and maintains the slip-proof effect executed on the form rolling surface for a long time. A large number of small projections 4 are formed on a surf...
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JP2007155120A |
To provide an oil reservoir forming method for a lubricating mechanical element for efficiently forming a number of oil reservoirs contributive to forming an oil film.In the oil reservoir forming method, a spiral grooves 2 is first engra...
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JP3935348B2 |
To provide a metallic heat exchange pipe having a fin (3) integrally formed on the outer face of the pipe, having a leg (13) thereof extended radially from the wall (18) of the pipe and having a hollow part formed by hollowing out the gr...
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JP3927813B2 |
To provide a form rolling tool with which the occurrence of a form rolling defect (roll over) at the form rolling end part of a material to be form rolled is prevented and a tooth form is accurately form rolled on the material to be form...
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JP3928146B2 |
To provide a roll forming device for a ring-like stock which generates no burr on the end surface of ring-like parts and moreover works the stock into a product having excellent working precision by pressurizing the end sur face in the a...
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JP3927793B2 |
To improve the strength of a thread portion of a worm, and to greatly reduce the cost of forming the thread portion by forming it only by rolling without cutting by designing the cross section of the tooth bottom of the thread portion of...
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JP2007136517A |
To provide a tooth flank form rolling apparatus and a tooth flank form rolling method capable of correctly aligning the circumferential position of either a tooth valley part or a tooth ridge part in a tooth flank to the circumferential ...
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JP3926130B2 |
To provide a thread rolling head for a tapered thread of a pipe which reduces amount of a resin coat removed prior to thread rolling for a resin coated pipe as well as reducing wear amount of both an automatic stoppage mechanism and a th...
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JP2007132398A |
To provide a threaded fastener capable of significantly improving maximum fastening torque and holding force which is unlikely to loosen, a manufacturing method of a male threaded fastener and rolled dies.In the threaded fastener, a foll...
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JP3923162B2 |
To provide a manufacturing method of a deformed tube unnecessary for any surface treatment of an inner or outer surface of a metallic tube before form rolling. In a manufacturing method of a deformed tube in which a core 4 having the sec...
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JP2007125677A |
To provide a method for manufacturing a gear capable of suitably performing engagement of a spline in the method for manufacturing the gear having the spline formed on an outer peripheral surface of a hollow main body and a through hole ...
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JP2007512961A |
A cold forming process for manufacturing ball pivots with a ball area, a cone area and a thread area for installation in ball and socket joints by cold forming is presented, in which a ball pivot blank (1) with a shaped cone area (3) and...
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JP3918287B2 |
To reduce the manufacturing costs of a multi-stage pulley by preventing damage of a groove-equipped roller. A ring-shaped groove 104 is formed between groove parts 101, and groove parts 101 are formed in the condition that the ring-shape...
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JP3915453B2 |
To acquire a screw thread rolling device which forms a screw axis with high precision. This device is equipped with a rolling machine 2, a processing liquid feeder 3, a temperature regulator 4, a screw thread diameter sensor 5 and a cont...
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JP2007111701A |
To provide a worm form-rolling device and a worm form-rolling method capable of accurately finishing a worm formed on a shaft by rough working.A thread-rolling device 21 has a 1st roll die 23 and a 2nd roll die 24, and subjects a worm, w...
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JP3912103B2 |
To provide a component rolling method of a ball screw groove capable of preventing the generation of vibration and the like which leads to the cause of noise even if the ball screw is activated at a high speed. The number of starts of a ...
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JP3911847B2 |
To unnecessitate the inspection of the depth of groove after grooving and to reduce the cost of parts by measuring resistance to working during grooving with a load detector by providing a load detector between a Z base and a θ base. By...
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JP3912470B2 |
To provide a manufacturing method of a metal bar having projections capable of cutting the metal bar with high accuracy from the boundary part of the worked projection unit. In a manufacturing method of a metal strip, having projections ...
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JP2007105838A |
To provide an abnormality detection device capable of early detecting abnormality generated in a machining tool of a machining device.The abnormality detection device 1 for the machining tool 13 is constituted so as to have a vibration s...
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JP3906437B2 |
To provide a method and an apparatus for manufacturing of the metallic shaft of a printing mechanism for forming grooves which are not adjacent to a projecting part on a work in a short period of time and at a low cost. A 1st die 70 on w...
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JP2007090387A |
To provide a method for manufacturing a brake piston without developing the burr into a groove part formed on the outer peripheral surface in the edge part at the opening hole side.A bottomed cylindrical blank W whose opening end part W1...
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JP2007078052A |
To provide a pipe connection device enabling the easy piping operation and eliminating the risk of pipe extraction after the installation of the pipes.This pipe connection device for connecting water supply and sewerage pipes connected i...
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JP2007075874A |
To provide a tapping screw form rolling die capable of forming a sharp tip by cutting off the tip of a rivet.A fore-end tip cut-off face 4 extending from a lower end of a tip reducing face 3 of a thread form rolling face comprises a retr...
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JP2007054892A |
To provide a form rolling method and a form rolling apparatus by which troubles such as the deterioration of function and discontinuity of a heating wire are prevented since the heating part of a preheating plug is not brought into conta...
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JP2007054869A |
To provide a flow-forming method, by which a workpiece is formed into a thin-walled product by preventing a breakage developed from the root of a formed part, tensile stress to the workpiece is reduced, and the service life of a forming ...
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JP3889006B2 |
To provide a rotary plastic working method raising the working accuracy. A rolling mill 1 which is formed as a horizontal wedge roll or a horizontal wedge rolling mill includes a first work roll 2 which is rotatable or rotated around an ...
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JP3888724B2 |
To easily take out a tube to be worked, and to improve the working efficiency by providing an automatic thread rolling ending mechanism to expand and move rollers for form rolling in the radial direction through a movable member to be pr...
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JP2007504408A |
The invention relates to a machine element which is provided, at least over part of its axial length, with first toothing ( 2.1 ) in the form of threads, running on its cylindrical lateral surface, for a threaded drive. This is distingui...
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JP3886683B2 |
To provide a hollow ball screw shaft and a manufacturing method therefor capable of obtaining high accuracy in both an inside surface of a ball screw groove and a land part and excellent in productivity. In a hollow ball screw shaft 1, a...
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JP2007044732A |
To provide a corner rounding chamfering apparatus which is simple in configuration, easy in installation and use, small in size and low in price.The corner rounding chamfering apparatus is provided with three sets of corner rounding cham...
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JP3884523B2 |
To provide an integral drum provided with an internal tooth and an external tooth, having high quality of a product, able to achieve prevention of inclination of the tooth and deviation of the axes of the internal tooth and the external ...
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JP3885626B2 |
To provide a material-thickening roller having a plurality of forming dies corresponding to a material-thickening step. A plurality of rollers 5-7 integrally tightened with each other are rotatably supported by bearings 12A and 12B on th...
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JP3880686B2 |
To automatically check that a work is clamped corresponding to the change in the work length, and to automatically move the work to the form-rolling position. A press cylinder base 12 capable of regulating the position in the longitudina...
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JP2007029993A |
To provide a method of manufacturing rolled female screw component harsly causing defective screwing by suppressing the occurrence of an indentation in the crest part of a screw thread and to obtain a rolled male screw component hardly c...
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JP3879190B2 |
To effectively prevent burrs from generating in the case of successively forming a spline to a cylindrical work using a forming roll. In a spline forming method and its device, a spline groove corresponded to a projecting line 8 is forme...
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JP3874742B2 |
To provide a vehicular wheel rim having a hump portion of excellent dimensional accuracy. A first claw 30 and a second claw 32 holding a work (a vehicular wheel rim) W are stopped at predetermined position. An annular supporting member 1...
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JP2007016959A |
To provide a method of manufacturing an outer ring having a mounting portion 12 on its outer peripheral face without cutting flow of a metallic material composing the outer ring.An intermediate material 23 having the outer peripheral fac...
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JP3873056B2 |
A worm is formed by rolling to reduce the number of processing steps while ensuring the worm accuracy satisfactorily. A work material is positioned between a first rolling die (100) and a second rolling die (101) by rotation of the rolli...
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