| Document |
Document Title |
|
JP3453958B2 |
To reduce the number of processes and the period of production so as to make a T-steel efficiently by decreasing residual stress of an H-steel, applying web cutting or preliminary working to it, correcting its shape vertically and horizo...
|
|
JP3453364B2 |
The Straightening machine (1) with angled rollers, at a roller stand, has the rollers mounted in upper and lower yokes with vertical movement settings to the upper yoke and its roller. The upper roller (6) is at a built-in component (8) ...
|
|
JP2003278968A |
To form the protrusion section of the spigot of a pipe efficiently in a mass production process.This device is provided with an elliptic opening corrective device 22 for correcting the elliptic opening produced at the spigot 2 of the pip...
|
|
JP2003274615A |
To improve circularity and inner/outer diameter accuracy of a yoke by eliminating bending inclination defect of a steel plate which is rounded into a cylindrical shape.By the following steps, the motor yoke made of a steel which is shape...
|
|
JP2003527969A |
A bend die assembly retrofits compressible flanges to permit the flanges to be reinstalled around tubes to form a sealing contact. The bend die assembly includes a base and a bend die. The base includes a first body portion that couples ...
|
|
JP2003260514A |
To provide an automatic straightening method capable of straightening a bend of an electric resistance welded tube in the line based on the measurement data by automatically measuring the bending direction and bending degree of the elect...
|
|
JP2003260516A |
To provide a method and device for manufacturing a shape capable of securely setting within permissible limits bending of the shape, camber of the shape, squareness of a flange and camber of the flange after cooling the shape to room tem...
|
|
JP2003251412A |
To provide a method which can reliably correct the angle of a flange in a steel shape to a web over the total length of the steel shape.When correcting the angle of the flange to the web by passing the steel shape having the web (w) and ...
|
|
JP3440268B2 |
To prevent a cut face from deforming and a variation in the product length of final cutting from occuring. This system is provided with a multi bar straightening device 1 which multi-straightens steel bars, an inlet side guide pinch roll...
|
|
JP2003230927A |
To provide a manufacturing method for a rough shape material for a bearing ring which solves the problem of a long machining time required for a grinding process to remove the quenching strain of a ring material which is cold-rolled and ...
|
|
JP3434981B2 |
To efficiently provide straightness over a whole length of a long member with excellent accuracy without specially improving an accuracy of an press straightening. First to fourth sensors 17-20 are provided on a press body 1 with equal i...
|
|
JP2003220416A |
To provide a method for manufacturing a deformation polygonal member such as a deformation quadrangular member or the like with less materials and at an inexpensive manufacturing cost.In the method for manufacturing the deformation polyg...
|
|
JP2003220436A |
To provide a method for producing a holder for a rolling bearing unit by which the occurrence of creases of the holder is prevented and the holder can accurately be bent and formed, and also to provide a device for machining the holder.T...
|
|
JP2003220417A |
To provide a shaping jig and method for a pipe member capable of shaping the pipe member spirally wound to a desired form after bending it zigzag.By shaping the form of the pipe member W spirally wound after bending it zigzag, the zigzag...
|
|
JP3433697B2 |
To decrease the dimensional fluctuations at the time of roll straightening of heat transfer tubes for heat exchangers and to prevent the buckling of fin peak parts at the time of the roll straightening of low fin tubes by forming at leas...
|
|
JP3429636B2 |
To adjust the interval between rolls which are provided on a spindle by large strokes. A fixed roll 5A is provided through a roll sleeve 6 on the spindle 2 which is rotationally driven and also a movable roll 5 and passive thread part 13...
|
|
JP2003191053A |
To provide a method for blasting calibration of a chill mold including a tubular mold or a block mold in a relatively simple manner and at a relatively small cost.In a method for blasting calibration of the chill mold, a calibrating mand...
|
|
JP2003191011A |
To manufacture a metallic tube 7 excellent in dimensional accuracy easily and at a low cost.This method has a U-bending stage E for forming a square metallic base stock 2 into a U-shape, and an O-bending stage F for bending this metallic...
|
|
JP3424148B2 |
To provide a straightening device which is specially effective on the reduction of the upper/lower bending at the outlet of the tip and rear ends of a wide flange shape and with which the change of a guide for preventing the coiling-arou...
|
|
JP3419293B2 |
To simultaneously straighten a bend of a web and perpendicularity between the web and a flange by combining a continuous bend straightening device for the web with a continuous straightening device for defective perpendicularity between ...
|
|
JP3419294B2 |
To continuously straighten all of a bend of a web, a warp of the web and defective perpendicularity which generate in a wide flange shape steel. A straightening machine 21 is provided with vertical rolls 32a, 32b being a pair of first st...
|
|
JP2003170236A |
To provide a cylindrical member having a spline which can be molded in a short period of time and which has a high working accuracy and to provide an apparatus and a method for manufacturing the same.The manufacturing apparatus 1 manufac...
|
|
JP3416744B2 |
To prevent the reduction of the yield and to improve the working efficiency by fixing a resting stretcher on a rail, etc., at a proper position corresponding to the length of an extrusion shapes to be stretch-straightened and resting. A ...
|
|
JP2003164918A |
To provide a method and apparatus for bending work which controls so as to minimize flattening induced to a metal pipe as much as possible.In the method to perform continuous bending work moving a heated zone 6 continuously to the pipe l...
|
|
JP2003164916A |
To provide a deflection correction method for a formed product in a roll forming apparatus which enables smooth correction of deflection occurring in the formed product without necessity for increase in an equipment cost or installation ...
|
|
JP3414128B2 |
To obtain the straightening method of wide-flange beam to efficiently straighten to high quality by applying a rolling force from a flange outer side face to a web part with a vertical roller while pinching a fillet part of wide- flange ...
|
|
JP3413419B2 |
To remove a residual stress on a radiused part by constituting a lower horizontal roller to vertically move a roller shaft in a vertical direction and a pair of vertical rollers to move in the roller axial direction of a horizontal direc...
|
|
JP3411179B2 |
To miniaturize a vertical-roller supporting device and to obviate a vertical-roller moving device and angle adjusting mechanism by making the shaft of the straightening roller into both end supporting type and also connecting the vertica...
|
|
JP2003152154A |
To provide a lead correctional device for correcting leads for an electronic part for a semiconductor device or the like so as to have a specified pitch without generating any external injury, and to provide a comb tooth employed therefo...
|
|
JP2003145347A |
To provide a pipe end correcting jig capable of correcting the shapes of and chamfering pipe end portions of various sizes and types of pipes by increasing the type and number of correcting cutting edges, eliminating the possibility of d...
|
|
JP2003136140A |
To provide a device for correcting a flange buckling capable of efficiently and accurately correcting a flange buckling generated when a channel shape cross sectional steel stock 1 such as a vertical rib provided for reinforcement in the...
|
|
JP2003136139A |
To provide a method for correcting deformation of a cylindrical water- cooled crucible capable of correcting deformation accompanying repeated use of a cylindrical water-cooled crucible such as a consumer electrode type arc melting furna...
|
|
JP3403762B2 |
PURPOSE: To form a vehicle structural member composed of an aluminum material having rectangular cross section curved in three dimensions without developing fold and crack on the wall surface. CONSTITUTION: After extrusion-forming a cyli...
|
|
JP3403499B2 |
PURPOSE: To provide a free end positioning device of a member which can position simply and precisely without measuring the shape of the member or the position of the free end. CONSTITUTION: The device is provided with a body positioning...
|
|
JP3401452B2 |
To provide a simple and cost-effective method and a proper tool for finishing holder windows. In a method for finishing holder windows 51 of a spherical body holder 48 for a uniform-speed universal ball joint, the spherical body holder 4...
|
|
JP3400564B2 |
PURPOSE: To eliminate residual stress in the radial direction of a multilayered tube composed of different kinds of metal by integrally hot-joining such tube whose cross section is different in most curvatures against a target tube shape...
|
|
JP3400225B2 |
To provide a manufacturing method that makes a hair pin tube easily insertable to the insert hole of a heat exchanger body by applying a process for straightening each leg on the bent hair pin tube through the bending device. A linear he...
|
|
JP2003112221A |
To provide a method and device that enable an extruded material to be tension-straightened by imparting sufficient bite to all extruded materials including those of high-strength aluminum alloy and thereby imparting a prescribed tension,...
|
|
JP3396445B2 |
To prevent mill scale or the like from dropping onto a sliding portion of a movable roll while a section steel is being straightened, by providing a dustproof cover between a fixed roll and a movable roll. An expandable dustproof cover 2...
|
|
JP3394968B2 |
PURPOSE: To easily cope even with a case of dealing with an H-steel with a definite external dimension which has a large demand in recent years, to largely improve the working efficiency and to simply and rapidly change a roller without ...
|
|
JP3394969B2 |
PURPOSE: To largely improve the working efficiency and to easily and rapidly change a roller. CONSTITUTION: In a roller straightening device for an H-steel, a roller unit combined with a flange restricting roller 2, a web pressing roller...
|
|
JP3392758B2 |
To smoothly and precisely straighten a plate-like structural material having curved longitudinal ribs by simple control. Two sets of press heads 13 are provided in upper and lower frames of a square base frame l0 so as to be transferable...
|
|
JP2003088917A |
To provide a straightening device which can straighten a work of high strength before form-rolling a distorted screw without degrading the surface quality but with high production speed and accuracy.Three segment dies 3 are disposed at e...
|
|
JP2003088927A |
To accurately form a tubular member of a special shaped cross section having a bent part of a desired shape from a tubular base stock made of aluminum alloy at low pressure and with a small and inexpensive equipment in a hot forming meth...
|
|
JP2003080318A |
To provide a screw type bend correcting machine for steel material at a low cost by compactly simplifying a large-scaled hydraulic machine.A screw (male screw) 7 and a pressurizing shaft 11 are integrated and they are moved with a rotary...
|
|
JP3387778B2 |
To accurately determine the degree of deformation of the outer circumferential surface of workpiece while the positioning accuracy of the workpiece is set gently, by selectively using a cylindrical part and a circular sharp protruded par...
|
|
JP2003071642A |
To improve yield by modifying a micro hole defect occurring in a micro hole defect work piece.In modifying the micro hole defect in which only a through diameter is smaller than a normal hole existing in a round through hole formed in th...
|
|
JP3384781B2 |
|
|
JP3382048B2 |
|
|
JP2003053428A |
To rapidly and efficiently straighten a bent bar-shaped member so that its axial center takes a smooth linear shape. This tool straightens a bar-shaped member A so that its axial center Y becomes linear. Two reaction force receiving memb...
|
