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Patent Searching and Data


Matches 751 - 800 out of 8,493

Document Document Title
JP5188283B2  
JP5183116B2  
JP2013063457A
To provide a method for rolling a die-cast product which can improve workability in rolling without controlling the composition of a die-cast product.The method for rolling the die-cast product includes a step where rolling is applied to...  
JP5180669B2  
JP2013056366A
To provide a method of manufacturing an inner and outer ring for a bearing in which in a finishing process, the process is simplified securing finishing accuracy, and that can perform cost reduction.In the finishing process of a heat-tre...  
JP2013510001A  
JP2013052442A
To provide a method of manufacturing a wheel rim for a vehicle capable of improving productivity than before, light in weight and high in deformation resistance.The method of manufacturing the wheel rim for the vehicle includes a squeezi...  
JP2013049094A
To reduce manufacturing cost by improving yield by preventing the occurrence of a micro crack starting from a groove bottom of a fracture surface when an annular third intermediate material 21 is diametrically enlarged by form rolling to...  
JP2013049305A
To provide a wheel bearing device that can be made light in weight and small in size, reduces the number of processing man-hours, and can be made at lower cost through the simplification of assembly work.An L-shaped ring 17 is fit into t...  
JP2013507256A  
JP2013043183A
To provide a rolling die structure of a both-screw body with which both-screw bodies each having a right screw part and a left screw part on the same region can be highly accurately mass-produced using a cylindrical screw material withou...  
JP2013039614A
To provide a deformed cross-section structure that improves quality caused by a reduction of surface roughness, and prevents poor surface roughness to reduce the manufacturing cost, and to provide a method for manufacturing the same.The ...  
JP2013040635A
To provide a tapping screw made of a high hardness stainless steel, which can be screwed into a workpiece made of a low-carbon steel while forming a female screw.A screw raw material 1a integrated with a head portion including a drive po...  
JP2013035034A
To provide a method of manufacturing a spline shaft capable of obtaining superior working precision with a simple composition.In a method of roll-processing the spline shaft having crownings by using rolling racks 31 and 32 containing di...  
JP5145744B2  
JP5143219B2  
JP2013028769A
To provide a lubricant for rolling, which is excellent in processing performance, is particularly high in processing accuracy, and suppresses the occurrence of exfoliation of the bottom part of a tooth flank of a worm wheel and enhances ...  
JP2013027901A
To extend the life of a roller by reducing a load acting on an all-round projection of the roller from the outside.A piston rod 5 is sandwiched between a positioning member 21 of a groove machining device 11 and a pressing member 22 to b...  
JP5135837B2  
JP2013022632A
To provide a form-rolling device capable of suppressing an adverse effect caused by inhibition of walking of a workpiece for form-rolling and an adverse effect caused by walking.A braking force is adjusted such that: when an axial displa...  
JP5132199B2  
JP2013010106A
To easily process even a cylindrical component having a disproportionate shape in a plate thickness or a volume.This spinning method processing a rotor shaft includes a material junction process, a material separation/deformation process...  
JP5118852B2  
JP5116980B2  
JP2013000750A
To provide an apparatus and a method for manufacturing a hollow shaft member, which has a simple structure and an automatic aligning function capable of being manufactured at low cost.A hydraulic cylinder 36 is provided which relatively ...  
JP2013000781A
To provide a face spline forming device and a face spline forming method with which deformation of the inner diameter of a cup part can be suppressed, and a face spline can be stably formed.The face spline forming device includes: a crad...  
JP2013000797A
To provide a manufacturing device of a plate with different thickness which do not require a strict control.The device includes a pair of press rolls 3, 3 whose rotary shaft directions are arranged parallel each other, supporting section...  
JP2013000786A
To reduce breaking and wear of a chamfer of a tooth of a form rolling die by reducing a load on the chamfer of the tooth to lengthen a life thereof.A tooth part 22 of a leading tooth group of a form rolling flat die 21 is configured to p...  
JP2013500162A  
JP2013000788A
To improve productivity in a method for molding a cylindrical base material in which a circumferential thin part is formed on the cylindrical base material for a steel wheel by plastic working.The cylindrical base material W is supplied ...  
JP5107491B2  
JP5101952B2  
JP2012245551A
To provide a method for forming a rim, capable of suppressing wrinkles, shrinkage, and buckling in rolling, by shortening a time required by spinning for thinning a predetermined part of the rim.In the method for forming a rim, a first r...  
JP5095701B2  
JP2012240088A
To provide a flat die type thread rolling machine capable of enhancing rigidity and durability of a guide mechanism of the flat die type thread rolling machine, having a satisfactory vibration damping property, capable of moving quickly ...  
JP2012240113A
To provide a rolling method capable of increasing the rolling reduction of a material in one rolling process by rolling in a direction orthogonal to a feed direction of the material in order to generate a deformed cross section material,...  
JP5087803B2  
JP2012232335A
To provide a 3-roll type ring rolling method of such a product having unsymmetrical and irregular cross-sectional shape wherein no disturbance of product attitude occurs during rolling, no cavity flaw occurs on the annular surface and th...  
JP5084191B2  
JP5078354B2  
JP2012223774A
To provide a dimpling apparatus which can be made compact as a whole apparatus.The dimpling apparatus includes a ring-shaped member 31 having a ring hole 40 penetrating in the axial direction, and rotatable around the axis, a plurality o...  
JP2012225385A
To improve yield and productivity of a material of a rotor hub assembled in a fluid dynamic pressure bearing device.The hub part 3 of a hub-integrated shaft 9 is made of sintered metal. As a result, large quantity of chips is not generat...  
JP5073228B2  
JP2012218013A
To guarantee sure holding of a wheel material at the time of spinning process.When a tail stock cylinder expands, a cam member 32 moves leftward together with a movable sleeve member 26, and first and third cam surfaces 32b and 32d slide...  
JP2012217992A
To provide a method of efficiently manufacturing a thin-wall core metal with ribs having high rigidity.The ribs on the inner surface of the thin-wall core metal are formed by disposing a core 31, which encloses a hollow cylindrical thin-...  
JP5065966B2  
JP5062895B2  
JP5064749B2  
JP5056719B2  
JP5055866B2  

Matches 751 - 800 out of 8,493