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JP2008238275 |
To provide a tool with a thermo-mechanically modified working region and a method of forming such a tool.The tool (10) is provided with the working region containing steel which is altered by a thermo-mechanical process to contain modifi...
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JP2008238196 |
To provide a centering device of a press die maintaining the centering accuracy even in mounting a die, and a centering method of a press die using it.The centering device of the press die is equipped with an alignment measuring part 10 ...
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JP2008238198 |
To provide a die set capable of positioning a die with high accuracy without installing a sub guide, and a method of mounting the die thereof.The die set D is equipped with a lower die holder 1, upper die holder 2, guide post 3 and guide...
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JP2008238174 |
To provide a press die for flanging work and a flanging method capable of performing press-working of the flange parts of door panels, hood panel components or the like by a single process.The press die for flanging work is used for perf...
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JP2008229656 |
To provide a press forming tool which simultaneously presses a plurality of objects to be press formed and uniforms press pressure to be applied to the respective objects to be press formed.The press forming tool 10 is disposed with a lo...
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JP2008221258 |
To provide a slide cam device with which rectilinear propagation performance stable for a long period of time can be assured.A cam slide support surface of a base 8 is constituted of a rugged support surface repetitively provided with pe...
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JP2008221253 |
To provide a simulation analysis method capable of improving the accuracy of simulation analysis.The simulation analysis method performs simulation analysis of a process of producing a product from a workpiece 30 by press forming. The si...
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JP2008208436 |
To provide a cold-worked die steel production method for efficiently obtaining cold-worked die steel excellent in high hardness and dimensional variation inhibition property after heat-treatment.The cold-worked die steel production metho...
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JP2008207219 |
To provide a pressing die, on which a thin hard coating film is formed by a PVD method, which is preferably used for press-forming various steel sheets, especially a high-tension steel sheet, wherein the coating film is excellent in hard...
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JP2008200754 |
To provide a hemming die which reduces sliding resistance in hemming work.A hemming die is provided with a fixed block 1 and a movable block 2 which is slidably provided with respect to the fixed block 1. An oil groove 8 is formed on eit...
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JP2008200927 |
To provide a magnetic fixing device which is mounted to a machine device such as an injection machine and can easily attach/detach a clamping plate to/from the surface of the platen of the machine device.The magnetic fixing device includ...
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JP2008194735 |
To provide a tool for fixing a die with which the variation of a pressed product is prevented by suppressing the deformation of an upper die.This tool 5 for fixing the die which is provided between a slide 1 and the upper die 4 of a pres...
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JP2008195765 |
To provide a lubricating oil for press working of metal materials that is chlorine-free and environmentally friendly while exhibits excellent lubricity and hardly exerts influences on after-processes such as washing, coating and the like...
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JP2008188655 |
To provide a cam unit realizing efficient replacement of tools and removal of a cam slider.The invented cam unit includes a guide bar 6 and a cam holder 6. In the fixing structure of the guide bar 6 and cam holder 6, one end 6a of the gu...
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JP2008189956 |
To provide a method for manufacturing a metal mold by which time and costs required for manufacturing a metal mold having a decorative part can be reduced.A sintered compact 30 prepared by irradiating a molding material with a laser beam...
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JP2008178916 |
To provide press processing equipment which can carry out sharp bending and punching to an end of the same workpiece with one turning cam without damaging a punching die formed at the turning cam by the running of a piercing punch on the...
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JP2008180558 |
To provide a damage state detection method of a mold or the like capable of keeping and enhancing the processing precision of a processing target and the quality of the processing target by precisely detecting the damage state of the mol...
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JP2008173686 |
To perform good press forming by easily evaluating variation in the characteristics of a base material, deterioration with time of a die in a blanking stage or the like.This press forming apparatus for sheets comprises a blanking means a...
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JP2008173654 |
To make roughening work after punching so as to be finely performed by supplying working oil for lubrication or the like which is supplied when performing the punching of a metal plate with a punch press so as not to be expanded to unwan...
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JP2008164042 |
To press a fixed member to a base side by a pawl part by advancing a movable piece only by the operation of a lever part and rocking the movable piece as it is, and to facilitate fastening work.The pressing jig is provided with the movab...
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JP2008155252 |
To solve a problem where ironing die composed of an inner cylinder with an inner circumference coming in contact with the outer circumference of a workpiece W and an outer cylinder into which the inner cylinder is fit is cracked sometime...
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JP2008150650 |
To provide mechanical parts, tools, molds or the like, each exhibiting excellent durability and wear resistance even in a high-temperature atmosphere or an environment where a high load is added, that have not been attained by a conventi...
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JP2008149332 |
To provide a male press die and a press method by which the nose parts of wall surfaces in the boundary between concave parts are sharply formed when forming a plurality of adjacent concave parts on a working object and a condensing plat...
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JP2008142750 |
To provide a punching set which is arranged on a die and used for the press working which is capable of immediately continuing the punching by setting at least two punches in a punch guide case in an overlapping manner, and replacing one...
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JP2008142751 |
To provide a fastening device for mold clamping where, even if fastening or loosening is repeatedly performed, the state free from the damage of a bearing surface can be maintained, and inconvenience is not generated in the operability o...
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JP2008137055 |
To perform the detent of the punch body of a punching die in which the assembled length of the punch is made adjustable without adopting a key way, the working of which is complex and which brings about the deterioration of productivity ...
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JP2008132523 |
To provide a press forming apparatus of a metal plate with which the metal plate is rapidly cooled down to a prescribed temperature and press forming is made possible.In the press forming apparatus of a metal plate which has a punch, a d...
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JP2008132532 |
To provide a punch die in which height adjustment is easily performed without using any tool.This die is a punch die which is provided with a retainer collar 33 which is provided freely attachably and detachably in the upper part of a cy...
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JP2008132535 |
To provide a method for press-forming a metal sheet at low costs, which can enhance the forming limit causing cracks in the metal sheet without the need of modifying the configuration of press forming tools such as a punch and a die or c...
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JP2008132533 |
To provide a press shearing die which can concurrently shear a horizontal part and a vertical wall part of the edge portion of work in a single process without addition of a complicated cam process, and remarkably reduce the number of op...
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JP2008126264 |
To increase the variation of an emboss design by making effective use of a die.In the device for processing a can body with which projecting patterns 35a, 35b and recessed patterns 36a-36c are formed on the side wall of the body part 41b...
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JP2008119712 |
To provide a punch press in which a replaced punch can be easily distinguished.The press has upper and lower support supporting members 6, 6A. The members 6, 6A respectively support a plurality of punch supports 7 for supporting a plural...
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JP2008100241 |
To provide a press working method and a press working apparatus by which the occurrence of cracks in the end parts to which stretch-flanging is applied is prevented.In the press working apparatus, a steel sheet 12 is held with a holder 4...
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JP2008100240 |
To provide a method and an apparatus for press work by which a character line can be clearly formed.The apparatus 10 for press work forms the portion including the character line 85 in a steel sheet 12 by lowering a second upper die 90. ...
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JP2008100274 |
To provide a measuring method which can accurately detect an abnormality of clearance in the sliding face of the press mold.The method for measuring the clearance of a press mold 1 for measuring the clearance between a sliding face 20a i...
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JP2008093728 |
To provide a die composed of materials which are suitable to blow molding.A molding die 14 is constituted by dividing the die into a central die 16 having a product shape part 13 and a peripheral die 17 enclosing the central die 16, the ...
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JP2008093686 |
To provide technique for molding a high-quality molded article of a magnesium alloy on the surface of which slip marks or the like are not generated.In the mold for molding the magnesium alloy which is made by successively stacking a car...
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JP2008087018 |
To provide a bending apparatus with which the reduction of the number of stockers and downsizing of a die housing device can be achieved by decreasing the number of the dies to be mounted on the stockers of the die housing device by addi...
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JP2008080405 |
To provide a punch press which minimizes unnecessary tool preparation by preparing a program for establishing a relationship between kinds of tools contained in a turret or a tool magazine for the punch press.Each punch and die of the pu...
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JP2008080352 |
To provide a hard material coated die having a long life, which die is used for plastic working such as forging and press working in cold or warm state, and requires wear resistance.The die has a coating layer at least on the working sur...
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JP2008073706 |
To provide a die having excellent fatigue strength, and further to provide a method for processing the die.The die has a compressive residual stress of more than 0 but up to 1,000 MPa on its surface and a compressive residual stress of 3...
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JP2008068317 |
To provide an apparatus which surely prevents slug floating in press blanking even when a plurality of slugs intervene on the passing surface of the slug.In a blanking die 3 for a material to be worked, a recessed groove 10 is formed so ...
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JP2008062282 |
To provide a precision punching die which is high in a concentricity between a punch and a die and can obtain the high concentricity.The precision punching die 10 is provided with: a lower die 12 with the die 40; an upper die 11 with the...
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JP2008056983 |
To provide a precipitation hardening type stainless steel die having high corrosion resistance and high surface hardness, whose surface can be finished to a satisfactory specular state by mirror polishing, further, whose deformation caus...
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JP2008055449 |
To provide a method of attaching the die of a spinning apparatus by which the die is attached to a main spindle or a rotation center without rotating the die, the spindle or the rotation center by manual work of a worker.In a method of a...
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JP2008055426 |
To provide a method of press work for a metallic material, which method can improve the accuracy of a press worked product and can elongate the life of a die than before.The method of press work for the metallic material is used for perf...
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JP2008049381 |
To provide a mold clamping device for fixing the mold on a mounting face in an upper die and a lower die in a die set, which clamping device can carry out a mold mounting work in a simple manner even in the case of a large mold.This mold...
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JP2008049394 |
To provide a punch inserting tool for punch retainers, which can be set in a suitable position regardless of the shape (size) of the punch retainer because a locking piece is movable up and down, right and left and rotationally or the li...
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JP2008036656 |
To provide an apparatus and a method of forming a flange by which the flange free from edge cracking is formed in one step on a sheet-metal product such as a flat plate, a cylinder or an elliptic tube which are used for automotive parts ...
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JP2008036696 |
To provide a turret changing system by which seating failure is canceled when the seating failure of a turret is generated.The turret 3 for supporting one or a plurality of punching tools 1 is provided with a turret supporting means 6 wh...
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