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JP2009079495A |
To achieve deformation correction with sufficient precision, and to reduce the occurrence of a defect which can happen during correction of the deformation.A deformation correcting tool 3 includes a cone part 4 and a cylindrical part 5. ...
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JP4255545B2 |
The roll correction machine, to correct rolled stock (1), has a run-in for the rolled stock and several bending rolls. It has at least one adjustable running-out roll (5), controlled by a setting element (13), to guide the rolled stock. ...
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JP4251896B2 |
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JP2009513352A |
The invention relates to a method for leveling profiles ( 5 ). When the hot-rolled profiles are cooled off, they deform considerably. Therefore, the profiles are not leveled while they are hot but are first cooled off. The inventive meth...
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JP4236960B2 |
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JP4223140B2 |
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JP4217649B2 |
To provide equipment for producing continuously cast rods of aluminum alloy with which continuously cast rods of aluminum alloy excellent in quality are produced by efficiently peeling skin portions. The equipment is provided with a melt...
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JP4191922B2 |
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JP2008284595A |
To correct a twisted flat bar having nonuniform pitch into accurate pitch since the twisted flat bar which is made by twisting a flat bar is different in dimension of every pitch when measuring the pitch accurately.A roller on which proj...
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JP3146642U |
To provide an apparatus capable of welding and removing seam scratches generated on the surface of a wire rod when the wire rod is formed by rolling or drawing. A plurality of rolling rolling rollers 29,31 which are rolled or drawn and a...
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JP2008229642A |
To provide a method for straightening a hat type steel sheet pile by which the change in the width of a material to be straightened in accordance with the alternation of rolling reduction can be suppressed without depending on shape adju...
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JP2008229667A |
To provide a thin-walled pipe forming device capable of easily obtaining roundness and cylindricity, and a thin-walled pipe forming method.The thin-walled pipe forming device for forming a thin-walled pipe 4 comprises a thin-walled pipe ...
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JP2008229657A |
To provide a method for straightening a U-shaped steel sheet pile, capable of properly straightening warpage of both the left and right joint parts 104 of a U-shaped steel sheet pile having arm parts formed between each joint part and fl...
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JP2008194744A |
To provide a method of straightening an electric resistance welded steel pipe by which the twist angle of a weld bead part is fallen in a prescribed range when performing rotating straightening by advancing the pipe while rotating it wit...
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JP4137359B2 |
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JP4132497B2 |
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JP4129410B2 |
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JP2008173643A |
To adjust the mechanical strength of a duplex stainless steel tube by a straightening machine.When straightening the duplex stainless steel tube with a multistage roll type tube straightening machine, A-value which is defined by followin...
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JP3142896U |
To provide a material straightening device capable of measuring the hardness of a coil material used in a straightening roller portion for straightening a coil material. This is a material straightening device A of a pressure forming mac...
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JP4107973B2 |
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JP4096840B2 |
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JP4083002B2 |
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JP4075478B2 |
An assembled camshaft (10) for engine includes: a cam lobe piece (12); and a hollow shaft member (11) having at least two shaft fixing surfaces (11A) formed by plasticity process on a portion of the hollow shaft member (11) corresponding...
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JP4074416B2 |
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JP4067768B2 |
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JP3140021U |
To easily and easily change a straightening roller of a material straightening device in a short time when performing a heading process by supplying materials having different diameters and cross-sectional shapes. As a material straighte...
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JP2008030090A |
To provide a method of straightening bend of a shape steel having a flange on both sides of the web and a straightening apparatus for shape steel which is appropriately usable to this kind of steel.This press straightening apparatus (str...
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JP4028442B2 |
An apparatus for correcting deformation of a gas turbine blade includes a stationary die fixed to a backside of a tip shroud of a gas turbine blade to hold a back surface thereof and a pressing die pressing a front surface of the tip shr...
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JP4025535B2 |
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JP4022734B2 |
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JP4013269B2 |
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JP4013574B2 |
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JP4010102B2 |
To provide a method and a facility for manufacturing a heat-treated rail in which both web parts of both ends of the rail are also forcibly cooled when forcibly cooling the head and leg parts of the rail after the rolling and the residua...
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JP2007296549A |
To provide an apparatus for straightening a steel sheet pile with which even a worker less in skill can perform a straightening work in accordance with various deformation without using other heavy machinery such as a crane and equipment...
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JP4006233B2 |
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JP3999547B2 |
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JP3999903B2 |
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JP3997691B2 |
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JP3990761B2 |
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JP3989651B2 |
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JP3986834B2 |
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JP3978853B2 |
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JP3972595B2 |
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JP3965124B2 |
To provide a method of easily and highly precisely manufacturing a cylindrical metal case from a metal plate by plastic forming. A metal plate 20 is punched into a predetermined shape to form a side surface plate material 32, and the mat...
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JP3966599B2 |
To easily and precisely regulate the roller intervals by taking out a pressurized oil in a sleeve to be externally fitted to a rotary shaft, and press-fitting the sleeve to a roller to move the roller by the rotation of the rotary shaft....
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JP2007203342A |
To manufacture a cylindrical shaft 20 having high roundness over its whole length by bending work. In a method for manufacturing the cylindrical shaft 20, a metal sheet 10 is worked into such a shape that each of cross-sectional shapes o...
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JP2007175743A |
To manufacture a quality hollow prismatic metal tube free of bending or twisting from a hollow cylindrical welding metal tube.A hollow cylindrical metal tube 13 which is prepared by butting and welding both ends of a metal strip 11 is ma...
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JP2007167930A |
To provide a method for straightening a shape steel, which enables stable and highly accurate straightening work without requiring a feed-forward control, based on the measurement of the angle of a flange before the straightening, and wi...
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JP2007152388A |
To provide a method and an apparatus for correcting perpendicularity of the flange of a wide flange shape by which the defective perpendicularity of the flange is accurately corrected over the entire length of of the wide flange shape.By...
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JP2007152426A |
To obtain the long service life of a die by changing the order in one series of forging-formation processes.On the way for passing each process of a rough-forging, a finish-forging, a trimming and a twisting; a mutual clearance of both p...
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