| Document |
Document Title |
|
JP2012050989 |
To provide a punching device which can accurately apply punch machining to stacked workpieces by integrating the plurality of strip-shaped workpieces in a stacked state.The plurality of strip-shaped workpieces W are intermittently convey...
|
|
JP2012045626 |
To provide a method of preparing a sheet of material so as to bending along a bend line.The method of preparing a sheet of material for bending along a bend line, includes the step of forming of at least one displacement in the thickness...
|
|
JP2012045597 |
To easily attach and detach a punch guide to/from a retainer while hiding engagement projections in the inside of the punch guide.Engagement projections 1b are projectingly formed on a cylindrical inner peripheral surface 1a in the retai...
|
|
JP2012044800 |
To provide a core molding device for precisely separating a depression member from a peripheral face of a core after the core is depressed to the peripheral face by the depression member.A plurality of core pieces Wa are arranged by depr...
|
|
JP2012043424 |
To provide a method for predicting a cut amount in a member, which is capable of surely predicting a cut amount before manufacturing the member.The method for predicting or calculating a cut amount in the member due to virtual precise st...
|
|
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...
|
|
JP2012030240 |
To provide a burring method that enables burring to be performed without working of a prepared hole, even when the prepared hole can be hardly worked.In the method for burring a plate-like workpiece, a part of the workpiece W is pushed a...
|
|
JP2012027993 |
To tear off a plate while suppressing the occurrence of a burr.In the method for tearing off a plate, a frame 15 is sandwiched between an upper pad 21 and a die 23 at one side of an easily tearable potion 17 about a spring part 13 with t...
|
|
JP2012024785 |
To provide a magnesium alloy plate which has a large shear plane in a cut surface thereof with minimized tearing, a method of manufacturing the same, and a mold.The magnesium alloy plate 11 is a plate of magnesium alloy which is subjecte...
|
|
JP2012016725 |
To provide a method for removing dust from the upper face of a planar workpiece worked in a punch press, and a cleaning device therefor.In the method for removing dust at the upper face of a workpiece at a workpiece table in a punch pres...
|
|
JP2012016736 |
To provide a die holder device capable of exchanging a die by a simple operation without using an industrial tool or the other tool.The die holder device 1 includes a die holder 2 and a locking member 3. The die holder 2 has a seating fa...
|
|
JP2012011442 |
To provide a die holder device capable of smoothly detaching a die by simple operation without using a tool.The die holder device 1 is provided with a die holder 2 and a clamp cover 3. The die holder 2 has a seating surface, on which the...
|
|
JP2012011444 |
To prevent malfunction through proper control (selection) of a piercing punch, when machining a workpiece with a pressing die attached to a press machine.The piercing selector 1 includes the piercing punch 3 supported slidably in a throu...
|
|
JP2012006056 |
To provide an apparatus for manufacturing a metal core that controls a slit width more accurately.The apparatus for manufacturing a metal core includes: a lancing unit for making a slit in a planar material to divide the material into a ...
|
|
JP2012000670 |
To provide a helical gear plate with which machining time is shortened and low cost parts supply is realized, and to provide a press device for manufacturing the helical gear plate.The press device 1 for manufacturing a helical gear plat...
|
|
JP2012000668 |
To provide a method for welding a coated steel plate which allows an electric current to pass across an insulating film-coated surface of a metal plate having one surface coated with an insulating film and a surface in contact with the i...
|
|
JP2012000631 |
To provide a ripping cutting punch mold of a punch press which performs ripping cutting of a plate material to thereby cut it, or to form a long hole or an opening in the plate material, and the like, leaving almost no projection-shaped ...
|
|
JP2012000667 |
To manufacture a gear wheel for a gear pump in which an internal gear wheel and an external gear wheel have the same thickness each other.The method for manufacturing a gear wheel for a gear pump, forms the external gear wheel 1 with a g...
|
|
JP2011255399 |
To provide a working appliance which blanks and bulges a cylindrical workpiece from the inside thereof by utilizing a conventional press apparatus.The working appliance includes: a punching member (punch 10) for piercing a hole or formin...
|
|
JP2011255386 |
To provide a shear cutting tool which achieves a long life by suppressing the peeling of a coating layer.A chrome coating layer 31 is applied to the surface of a plurality of blades 23, 24 provided on the outer periphery of gear type cut...
|
|
JP2011256949 |
To provide a method for manufacturing a brake disk having an outer peripheral shape with radial projections and recesses formed repeatedly in the circumferential direction, the process having superior productivity wherein a curved face s...
|
|
JP2011245523 |
To provide a cross working apparatus in which the occurrence of play caused by working reaction force during cross working is prevented.The cross working apparatus 10 has a pair of first slidable contact oblique surfaces 201, 225 which a...
|
|
JP2011240378 |
To provide a method for machining a sheet metal part, which does not generate a waste of a sheet metal material and does not cause a decrease in moving speed of the sheet metal part that moves above a turret punch press, in stamping and ...
|
|
JP2011240410 |
To provide a method of fixing a working tool on a tool mounting surface of a cam device in an appropriate position with a clearance or the like constantly within a given range, and provide a method of manufacturing a press die device inc...
|
|
JP2011235319 |
To replace a die by protruding the die upward from a die holder.Hollow cylindrical lifter pipes 51, 53 are provided vertically movably in the die holder 27 on a lower turret 15 and the dies D (D1, D2) are arranged in opening portions at ...
|
|
JP2011235331 |
To provide a stamping laminating device capable of continuing stamping and laminating work for a punched piece stamped out from the workpiece, even under conveyance of the punched piece of a laminated state, and capable of enhancing prod...
|
|
JP2011235320 |
To provide a punching die in which biting of a punched piece to an inner wall of a side pressure providing part in a through-hole of a die can be well kept in a punching processing repeated for a long time, and to provide a method for gr...
|
|
JP2011239517 |
To provide a method for transferring a lamination core, that can cancel a plate thickness deviation in a short time by surely and easily separating and transferring a lamination core for each block, and provide a transferring device used...
|
|
JP2011235326 |
To provide a blanking machining device capable of enhancing installability of a blanking blade.The blanking machining device includes a bolt type member 10 having a barrel part 8 formed with a through-hole 7 by forming the first roller 1...
|
|
JP2011236581 |
To provide a manufacturing apparatus for manufacturing a cylindrical body with stopper like the one disclosed in a patent document 2 from a cylindrical raw material at a low cost.A manufacturing apparatus according to the invention for m...
|
|
JP2011235336 |
To provide a method of manufacturing a spur capable of manufacturing the spur having a ridge part of high acuteness at low cost.This method is a method of manufacturing the spur 10 formed alternately with the ridge parts 14 and a valley ...
|
|
JP2011230192 |
To provide a method for manufacturing a stamp member, which can realize the manufacture of the stamp member in a wavy form in a cost-effective manner.The method for manufacturing the stamp member includes two steps. In the first step, a ...
|
|
JP2011230126 |
To provide a method for manufacturing a parking lock pole, which forms the parking lock pole by punching.The method for manufacturing a parking lock pole 70 having a recessed cam surface 70c at the outer periphery, wherein the pole 70 is...
|
|
JP2011224580 |
To provide a punch press device having a simple configuration and capable of rapidly exactly switching a switching member to two positions of a restraining position of a punch and the releasing position thereof.The punch press device sup...
|
|
JP2011218373 |
To provide a coining method by which the fatigue property of the whole sheared hole is improved by imparting sufficient and uniform compressive residual stress to both ends of the sheared hole and the whole inner peripheral surface of th...
|
|
JP2011212701 |
To provide a crank press in which the volume required for a driving source is suppressed, further, the area occupied in a factory is suppressed, and also, rigidity is highly maintained, and which can punch a product in a state of two lin...
|
|
JP2011206825 |
To provide a shearing die and a shearing method improving the ductility of a sheared edge of a metal plate which is a sheared metallic sheet.The shearing die 1 includes a die 2 and a punch 3 for shearing the metal plate 50 by relative mo...
|
|
JP2011200869 |
To manufacture a high-strength door hinge for an automobile by heading, punching or the like of a plate-like steel material at low cost.A cylindrical bulging portion with a projection part in an elliptical columnar shape in its height di...
|
|
JP2011200886 |
To provide a punch press in which slugs and chips are separated and recovered, though the slugs with the punch press and the chips with a tapping device are discharged from the same discharging hole.The punch press includes a waste housi...
|
|
JP2011194549 |
To provide a shearing method for a coated steel plate, capable of restraining generation of enamel hair even in the case that the coated steel plate has a relatively thick coat in a plate portion to be processed when applying shearing to...
|
|
JP2011194502 |
To provide a tap breakage detecting die, capable of constantly and smoothly moving up and down an inner cylinder in an outer cylinder.The tap breakage detecting die is used in conjunction with a tapping die mounted on a punch press and i...
|
|
JP2011194408 |
To provide a mold for punching a hole on an identical metal plate and forming a hollow pin, both conducted integrally by a single mold, thereby improving the quality of a molded article.The mold keeps vertical positions of the bottom sur...
|
|
JP2011194406 |
To provide a drilling male blade enhancing drilling force without increasing length in the axial direction of an entire drilling male blade and exactly carrying out drilling.The drilling male blade 5 has a circular shape in a plan view i...
|
|
JP2011189380 |
To provide a method for manufacturing a backing plate for a drum brake reducing the number of components of the drum brake, and having a cable guide part higher than the limit height of a conventional cable guide part while ensuring the ...
|
|
JP2011189350 |
To provide a blanking method for forming a press-formed article having an inferior angle section in which two surfaces adjacent to each other form an inferior angle by blanking with high precision, a method for manufacturing the press-fo...
|
|
JP2011189353 |
To provide a shaving die by which a smooth processing surface is easily obtained even when a material of a workpiece is hard.The shaving die 1 includes a punch 2R for cutting an uneven part 900R of a surface 90R to be processed and allow...
|
|
JP2011183453 |
To provide a method and a punch for working a punched hole, which improves fatigue strength and hardly generates the seizure and wear of a punch during working.In a method of working a hole, after twice punching a prepared hole which is ...
|
|
JP2011182619 |
To provide a method and a device for manufacturing a stacked iron core which has a uniform and wide smoothing face at the inner circumferential end of a stator.Since perfectly circular scrap half blanking 31 is performed in a scrap half ...
|
|
JP2011171671 |
To improve rust-preventing properties by forming a plating layer on an inner circumferential surface of a through-hole made in a board, at the same time as with burr treatment.A first plating layer 9 is provided on one surface of a steel...
|
|
JP2011167699 |
To suppress the interference between a workpiece and a die during conveyance regarding a punch press.A notched part 31a is formed at a fixed table 31 arranged on a lower turret 13 and a brush shutter device 73 is provided in this notched...
|
