| Document |
Document Title |
|
JP2008221272A |
To provide a multiplex screw form-rolling die, improving the durability of a screw-working part near the edge surface of the die body, and a method for manufacturing a multiplex screw bolt using the die.In the multiplex screw form-rollin...
|
|
JP4155934B2 |
|
|
JP4155643B2 |
To provide a rolled deformed steel with a modified cross section capable of being kept in engagement during free-welding and improved in positioning property during welding. A rolled deformed steel 1 has a projection 5 formed on the oute...
|
|
JP4154931B2 |
The top portion of a material for a rail of a linear guide is formed in a convex shape. In this convex shape, portions protruding to the side of a top surface are removed beforehand by rolling raceway grooves in side portions of a member...
|
|
JP4152035B2 |
|
|
JP4152142B2 |
|
|
JP2008200710A |
To provide a method for manufacturing rolling dies, which method can reduce a time for rolling toothed surfaces for rolling, and can reduce a manufacturing cost.When rolling dies for rolling a dual thread having two different leads are m...
|
|
JP4145716B2 |
|
|
JP4139234B2 |
|
|
JP4135422B2 |
|
|
JP4133767B2 |
|
|
JP4125581B2 |
|
|
JP2008168315A |
To eliminate the insufficiency of the steel blank on the end surface and the surface part of a ring blank so as to prevent the occurrence of burrs on the end surface and the riding up of the blank on the surface part in the case of manuf...
|
|
JP4124310B2 |
|
|
JP4123671B2 |
|
|
JP4123705B2 |
To provide a clutch drum which has a smaller number of part items while maintaining optimization in thickness and weight of each part. A drum body 4 comprises a bottom wall 2 having a smaller diameter cylindrical part 8 and a main cylind...
|
|
JP4117740B2 |
A porous metal body has protrusions, whereby each protrusion is an angular pyramid where the base surface on the upper side is smaller than that on the lower side. A polygonal opening is pierced in the base of the upper side of each prot...
|
|
JP2008155229A |
To excellently transfer the shape of the roughened working surface of a transferring body side to the workpiece side.A circular rod shape die 37 is locked to the output shaft 351 of a motor 35 mounted on a fixed base 34. The roughened wo...
|
|
JP2008138235A |
To provide a method which shows an excellent effect of having reformed a rolling forming face of a rolling die, by subjecting the rolling die to all steps of shot peening treatment, nitriding treatment and oxidation treatment.This rollin...
|
|
JP4102963B2 |
|
|
JP4103876B2 |
A prespray processing method including preparing a work surface for spray coating, roughing the work surface by pressing a tool against the work surface, having a material of the work surface displaced thereon to form a depression therei...
|
|
JP4102703B2 |
|
|
JP4100919B2 |
|
|
JP2008126303A |
To provide an apparatus for working fine recessed parts with which the fine recessed parts are formed with regular arrangement in the arrangement in a direction along the axial line of circular surface to be worked and the fine recessed ...
|
|
JP3142205U |
To provide a roller mold for molding a sheet-toothed element having a smooth surface and a small impact force and frictional force received by the mold. This is a new design of a roller mold, which is used for molding a tooth-shaped elem...
|
|
JP2008114346A |
To provide a finishing method for realizing improvement of machining efficiency by reducing dispersion of depths of finally obtained fine recessed parts as much as possible when removing swollen parts generated around the fine recessed p...
|
|
JP2008110360A |
To provide a method for manufacturing metal balls, capable of efficiently manufacturing the metal balls without heating a stock.The method for manufacturing metal balls enables the molding of the metal balls from a long-shaped material S...
|
|
JP2008106827A |
To realize a manufacturing method capable of providing an outer ring for a radial ball bearing capable of securing practically sufficient accuracy even when finishing after hardening treatment is omitted.An intermediate material 10 for t...
|
|
JP4083332B2 |
|
|
JP4077482B2 |
|
|
JP4076451B2 |
A rim material (11) having a non-uniform thickness, a rim (12) manufactured from the rim material (11), and a method for manufacturing the rim (12) from the rim material (11). The rim material (11) includes a first material portion which...
|
|
JP4077296B2 |
The heat exchange tube (1) has outer fins (3) and inner fins (20) crossed by secondary grooves (22) Two rolling tools (11, 12) form the outer fins, and the inner fins are formed by two differently shaped rolling mandrels (15, 16), one fo...
|
|
JP4073132B2 |
To provide a method for manufacturing a clutch drum for double clutch at a low cost and with high accuracy having a first drum part W1 opened at one side of an axial direction and a second drum part W2 opened at the other side of the axi...
|
|
JP4069735B2 |
At the time for forming an internal gear from a raw material 2 of an internal gear, first, the raw material 2 is externally inserted onto a forming die 3 and fixed to the forming die 3 through a pressing die 4. Next, a forming roll 5 is ...
|
|
JP2008068363A |
To provide an inner surface machining tool which accurately machines an inner surface of a hole with a small diameter, and is simple in structure and easy to downsize.An alignment mechanism 30 for making alignment by deflection occurring...
|
|
JP2008068287A |
To provide a method for manufacturing a forming roller for a pulley by which the strength of a forming part is increased to extend the service life of the forming roller.On the outer circumferential face of the forming roller 1 for a pul...
|
|
JP2008068285A |
To provide an apparatus and a method for working fine recessed parts, wherein fine recessed parts can preciously be formed on the outer circumferential face of a columnar workpiece or on the inner circumferential face of a circular hole ...
|
|
JP4065114B2 |
To provide a new form-rolling method in which a working condition for improving the productivity as much as possible can be set very easily while maintaining the desired form-rolling property when form rolling a shaft part of a variable ...
|
|
JP2008049384A |
To provide a method of form-rolling a gear by which high-accuracy crowning shape is formed on a tooth surface while suppressing manufacturing cost low.The method of form-rolling a gear is provided with a stage where a workpiece 15 includ...
|
|
JP4055850B2 |
A flow-forming method and apparatus, in which a blank is placed on a rolling mandrel of a flow-forming machine, the blank is rotated relative to at least one flow-forming roll, the at least one flow-forming roll is infed radially and/or ...
|
|
JP4053437B2 |
A rim material (11) having a non-uniform thickness, a rim (12) manufactured from the rim material (11), and a method for manufacturing the rim (12) from the rim material (11). The rim material (11) includes a first material portion which...
|
|
JP2008036706A |
To form a pair of cracking grooves on the inner peripheral surface of the big-end hole of a connecting rod surely and at low cost.A pair of rotary form-rolling means 30a, 30b which are pivotally supported in approximately parallel in the...
|
|
JP4051139B2 |
|
|
JP4047276B2 |
The invention comprises a crankshaft damper having an integral pulse ring. The crankshaft damper comprises an inner hub and outer pulley with an elastomeric connecting member between each. The elastomeric ring dampens a crankshaft vibrat...
|
|
JP2008023596A |
To provide a method for processing a minute concave portion that can form the minute concave portion capable of effectively reducing sliding resistance on an inner peripheral surface of cylindrical hole of a work, with a high precision a...
|
|
JP2008025780A |
To provide a manufacturing method of a cage for a cross groove type constant velocity universal joint, which omits cutting work of an inner diameter face side, has superior productivity, and reduces manufacturing costs.A short cylindrica...
|
|
JP4044207B2 |
|
|
JP2008018446A |
To provide a rotary sequential hot forging apparatus which can improve and stabilize forming quality by preventing a temperature drop of a blank.The rotary sequential hot forging is carried out by setting the blank W preheated by a heati...
|
|
JP3138958U |
To have a simple structure and high rigidity, and not only can it be used by being mounted on a turret lathe, but also can be used on a normal lathe, and further, knurling on an inner surface having a small inner diameter can be accurate...
|
|
JP4038101B2 |
|
