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JP07223008 |
PURPOSE: To make a torque cell compact and easily attach the torque cell to the various types of rolling mills. CONSTITUTION: Through holes 72, 73 along the axial line are provided on the shafts 70, 71 of a reduction gear 56. The torque ...
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JP07178425 |
PURPOSE: To provide a method of forming a round cross section in a prescribed finish dimension, in rolling a stock, and a roll stand group for carrying out this method. CONSTITUTION: In the case where a reduction rate of area is 14-28% i...
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JP07167159 |
PURPOSE: To quickly detect abnormality of a circuit, in a pressure intensifying cylinder charging/discharging a hydraulic shaft coupling with a pressure oil. CONSTITUTION: This is a pressure intensifying cylinder 301, 302 to supply press...
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JP07164024 |
PURPOSE: To realize a mass balance and torque balance of a cold pilger mill with a simple constitution. CONSTITUTION: A transmission gear formed of cranks 7 and balance masses is divided into two transmission gear parts which are arrange...
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JP07145826 |
PURPOSE: To prevent the breakage of a hydraulic shaft coupling by sealing pressure oil supplied to the hydraulic shaft coupling with a check valve mechanism and by detecting the residual oil pressure when the pressure oil is exhausted wi...
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JP07144229 |
PURPOSE: To simultaneously carry out the registration and the connection regardless of the fixed position of a roll shaft, by automatically moving the joint back and forth and up and down by mechanical driving. CONSTITUTION: A couple of ...
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JP07132305 |
PURPOSE: To prevent the rotation unevenness of an output shaft, to reduce the fluctuation of a mill and to improve the rolling performance and the surface quality of a product. CONSTITUTION: A multistage cluster mill rotates an intermedi...
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JP07116708 |
PURPOSE: To improve reduction of area and to easily form a square pipe by driving all of double rolls forcedly. CONSTITUTION: Four rolls 11, 12, 13, 14 are arranged by 90°. A resistance welded tube is supported and formed by them. Then,...
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JP07116729 |
PURPOSE: To shorten the line length of a steel tube producing device by arranging a three roll forcibly drive system stand in series in a tube shape finishing device to finish-shaping it into a required diameter. CONSTITUTION: A strip 1 ...
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JP07113425 |
PURPOSE: To provide a universal joint which is compact, having a long life and capable of transmitting high torque by providing a pair of boss parts positioned at an inner side of an outer peripheral surface of a flange part and a ring w...
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JP07096306 |
PURPOSE: To control an automatic operating device provided with a pressure oil supplying device for pressure oil supplying and discharging devices on the shaft side so as to profile the stop position of this pressure oil supplying and di...
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JP07096329 |
PURPOSE: To complete the connection to the roll shaft in one operation by sliding the intermediate stand on the common base, and to simultaneously execute the necessary position change according to the adjustment of the rolling reduction...
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JP07098021 |
PURPOSE: To provide a pressure oil supply device which is so installed as to advance to and retreat from to a port of a pressure oil supply/discharge device and which can reduce the mixing of air and contamination from a pressed portion ...
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JP07098020 |
PURPOSE: To provide a pressure oil supply/discharge device for a hydraulic shaft coupling which suppress leakage of pressure oil to minimum when the pressure oil is supplied to the hydraulic shaft joint and sealed by a check valve mechan...
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JP07080506 |
PURPOSE: To efficiently enable switching of precision rolling for adjusting a dimentional shape to a ordinary rolling other than the precision rolling in the operating method of a bar mill train and the rolling mill train. CONSTITUTION: ...
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JP07060307 |
PURPOSE: To attain structural simplification by making a holding guide needless. CONSTITUTION: On a driving shaft 20 rotated by a driving motor 18, a first bevel gear 28 and a second bevel gear 30 are arranged. The first driven gears 40 ...
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JP07051708 |
PURPOSE: To provide a rolling mill having a device able to shift by allowing a spindle to follow up a working roll or allowing the working roll to follow-up the spindle with a simple mechanism. CONSTITUTION: A method for mechanically rea...
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JP07024510 |
PURPOSE: To prevent the generation of chatter mark by cooling a coupling device with a cooling medium at the time of operation and to facilitate detachment/attachment of the neck part of a work roll by heating with a heating medium at ti...
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JP07016623 |
PURPOSE: To provide a spindle coupling device for driving a rolling mill. CONSTITUTION: This is the spindle coupling device for driving the rolling mill consisting of a york 8 having a recessed part 8a which can freely attach and detach ...
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JP07016603 |
PURPOSE: To provide a rolling block which lessen the changing work for rolling metallic bars or wires. CONSTITUTION: A first roll stand on an inlet side having a drawing caliber exists on a first stand place on the inlet side having alwa...
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JP07001019 |
PURPOSE: To improve the life of roll driving system in a rolling mill in which the shape control of a rolled stock is executed by mutually inclining work rolls in a horizontal plane. CONSTITUTION: This rolling mill has two motors 34, 35,...
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JP06341448 |
PURPOSE: To enhance the dynamic and static load capacity of a bearing device used between the cross link and yoke of a universal joint. CONSTITUTION: Two cylindrical roller bearings 3, 7 differed in diameter and acting in parallel are ar...
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JP06328108 |
PURPOSE: To secure the strength of power transmission system and to prevent sympathetic vibration of a rolling mill by the torsional vibration of a spindle by having the taper by which the diameter of the spindle is gradually reduced in ...
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JP06304615 |
PURPOSE: To automatically connect and disconnect a spindle of brush roll at the time of changing work rolls of an aluminum hot rolling mill. CONSTITUTION: Connectors 1 inside which spline grooves are provided are freely vertically movabl...
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JP06277724 |
PURPOSE: To obtain a metallic plate excellent in accuracy of the plate thickness in the width direction by arranging cross pin type spindles as spindles to device work rolls in a pair cross rolling mill which can regulate and hold an ang...
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JP06269810 |
PURPOSE: To compactly install the whole of a rolling mill by directly connecting a roll shaft to the speed reducing output shaft of a motor on the same center line and unnecessitating a connecting rod and a universal joint. CONSTITUTION:...
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JP06271960 |
PURPOSE: To produce the parts of a wear resistant aluminum bronze alloy as the member for a power transmission mechanism and a sliding mechanism in various industrial machines. CONSTITUTION: This wear resistant aluminum bronze alloy used...
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JP06269817 |
PURPOSE: To stabilize the rotation of an inclined rolling roll by transmitting driving force through a gear from, a rotary housing to a rolling roll. CONSTITUTION: A rolling device for a metallic long columnar body such as a tube or bar ...
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JP06262222 |
PURPOSE: To obtain a high-quality rolled product automatically and efficiently when a short material etc., is rolled. CONSTITUTION: 1st and 2nd reversal revolution changeable pinch rolls 35, 45 are mounted before and behind a mill body 1...
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JP06254608 |
PURPOSE: To provide a three roll piping mill provided with forming mill rolls which can move in the radial direction. CONSTITUTION: This mill provides forming mill rolls 2 arranged at an interval of nearly 120 degrees in the circumferent...
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JP06254610 |
PURPOSE: To obtain a compact structure easy to assemble for a screw down device of a brush roll. CONSTITUTION: In the case of a device to screw down a brush roll 1 against a work roll 2 of a roll stand to hot roll above all aluminum, the...
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JP06246310 |
PURPOSE: To eliminate the limitation to the increase of a spindle diameter and to equip roll benders without interfering transmission means for spindles and intermediate rolls. CONSTITUTION: An axial center 01 of each spindle 5H, 5L is a...
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JP06210337 |
PURPOSE: To prevent quality of a product such as rupture of a rolled stock and gage change from being deteriorated and to improve the responsiveness of the speed reference value of a mill by providing an acceleration reference arithmetic...
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JP06210309 |
PURPOSE: To make it possible to impress a large load on a roll stand to which a roll driving torque is transmitted via spur gears and to regulate the position in the radial direction of rolls without changing the intermeshing depth of dr...
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JP06210320 |
PURPOSE: To make a slip between a rolling roll and a rotary housing small, and to stably perform a friction drive of the rolling roll. CONSTITUTION: A metallic long column body is rolled by using three rolling rolls 1 or more arranged wi...
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JP06210328 |
PURPOSE: The system is applicable in a rolling machine in which rolls are recombined during running and a rolling machine in which a thin metal sheet is rolled under high pressure by a nondriven small diameter working roll provided in th...
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JP06198306 |
PURPOSE: To improve production efficiency by using large diameter couplings and to contrive stable rolling and cost reduction by using the same spindles. CONSTITUTION: In a 12 stages rolling mill, work rolls 1, 2, two intermediate rolls ...
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JP06198317 |
PURPOSE: To make it possible to widen the range of roll worked products by providing the above rolling mill with first and second connectors for interconnecting an intermediate drive assembly to the one side of first and second line shaf...
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JP06170412 |
PURPOSE: To enable reduced or expanded adaptation without exchanging shaping rolls having symmetrical caliber profiles by constituting the apparatus in such a manner that the central pivotal axes of the shaping rolls pass the range of th...
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JP06126335 |
PURPOSE: To deal with the production of many kinds in small quantities by changing roll size quickly at a set of roll forming stands and reducing the dead time of a line. CONSTITUTION: A forming line 1 composed of many cold roll forming ...
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JP06122007 |
PURPOSE: To carry out an automatic continuous monitoring of the amount of deviation that is caused due to the deterioration of shear pins between members on the driving and driven shaft sides which are connected with the shear pins in a ...
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JP06099201 |
PURPOSE: To provide a method capable of dimensionally determining a wide range of product sizes and averting such abnormal crystal grain growth as to render double microstructures in finished products and an apparatus therefor. CONSTITUT...
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JP06087012 |
PURPOSE: To improve the dimensional accuracy in the tip part of a rolled stock by controlling the speed of each rolling mill in terms of feedforward when rolling is started. CONSTITUTION: In a speed controller for a continuous rolling mi...
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JP06079320 |
PURPOSE: To give a wide rolling size without rearranging a roll by rotating one side of a revolutional arm round the center of rotation of a planetary gear and the other side round the center of rotation of the solar gear. CONSTITUTION: ...
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JP06074245 |
PURPOSE: To feed oil sufficiently to bearings in the housing of a tripod type universal coupling and enhance the strength of a tripod type member so as to be usable in the field of a rolling mill. CONSTITUTION: The main shaft 10 of a fir...
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JP06055206 |
PURPOSE: To guarantee passage of rolled stock having less longitudinal tensile strength economically and rationally by driving only the hydromotor of one of the rolling stands until the completion of biting or passing through all rolling...
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JP06039411 |
PURPOSE: To suitably reproduce different operating conditions required in tubes, pipes, and industrial products by which simultaneous operation of at least three rollers and adjustment of each of the distances from longitudinal center li...
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JP06031305 |
PURPOSE: To provide rolling equipment in which highly accurate shape control with a cross mill is enabled, besides, its mechanism is simplified. CONSTITUTION: A crossing mechanism is provided only on the lower work roll 12 on one side of...
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JP05337502 |
PURPOSE: To enable obtaining a high output level of a rolling line and reduced error of a wire rod by rolling a rolling stock with a specified small roll pass reduction in a after-rolling block. CONSTITUTION: A wire rod 5, preliminarily ...
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JP05337501 |
PURPOSE: To provide a light shapes/wire rod rolling line and a method for operating this rolling line. CONSTITUTION: An after-rolling block 11 of at least another set of two roll stands is prepared downstream of a finish rolling block 1....
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