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JPH10230326A |
To obtain a method for calculating the heating wire performing the line shaped heating on a metallic plate by finding the integrated curve of a shrinkage strain in a surface, finding a second intersection group provided for each specific...
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JP2791569B2 |
The machine bends small-diameter thin-walled metal pipe, having a stationary die in a large number of sections, of the shape to which the pipe (2) has to be bent. A first section of the die has curves in the lengthwise direction of radii...
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JP2790796B2 |
To easily bend an outer box of a refrigerator without damaging an original sheet by installing a jig in a direction orthogonal to the advancing direction of an iron sheet for the outer box, and working a groove without turning the iron s...
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JPH10225728A |
To prevent variation in the dimensions of products after forming. This forming device 1 is provided with a clamping member 3 above the forming part 2C of a forming die 2 and a pair of bending plates 5, 5 are provided on both sides of the...
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JPH10508538A |
Methods and apparatus for forming devices including dead-ends and insulator ties from flat and other strips of material, as well as the devices themselves, are disclosed. Components of these devices may be formed continuously from a sing...
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JP2788310B2 |
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JPH10192993A |
To prevent the generation of galling by reducing the face pressure on a gyroscope die in the time of bending, at the same time, to elongate the twist limit by preventing returning of twisting a work, and further, to prevent the generatio...
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JPH10192994A |
To obtain a flat uniform finishing face when being stuck with an outer sheath plate on the front face of a reinforcing plate without forming a step difference on the outer front face with the reinforcing plate caused by installing the st...
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JPH10193002A |
To provide a manufacturing method and device of a plunger capable of unifying the projecting length of an operating element and realizing the stabilization of coming and going precision of the operating element to a load. A ball 17 is fe...
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JP2772929B2 |
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JP2774808B2 |
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JPH10175021A |
To reduce manufacturing costs and unnecessitate troublesome inventory management of a die by forming a camber without using the die. A main roll 22 driven to rotate with a first servo motor is arranged in front of a table 19. A pinch rol...
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JPH10175022A |
To restrain the cost of a device and its occupied space by miniaturizing the device required for forming in the case of forming a metal stock into a forming shape being the repeat of a prescribed shape. This forming method, forming the m...
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JP2769561B2 |
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JPH10166065A |
To manufacture straight and precise pitched twisted flat bars in a short time. In conventional manufacturing, a flat bar was inserted in a round tube and then, with steel balls packed on both sides of the flat bar, the flat bar was twist...
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JPH10166094A |
To easily discharge a lattice like reinforcing bar fixedly attached with a vertical bar and a lateral bar from a bending device. A holding plate 3 to attach with clamping a lattice like reinforcing bar 1 is arranged on a work table 2, an...
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JP2754308B2 |
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JPH10128457A |
To simultaneously form very various bending in both end parts without rotating the member to be worked depending on the situation and to very correctly and rationally execute the bending process by arranging the bonding device so as to b...
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JPH10113723A |
To successively make a right hand and left hand bending part to a bar and section material by using a single bending pin. In the double type forming machine, the metallic section material 16 is risen so that the flat surface wherein the ...
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JP2741229B2 |
The machine comprises a stationary frame segment 1a and a movable or separated frame segment 1b, each including a bending station (51, 52). Where a metallic conduit seems to interfere with the movable frame segment 1b kept in its normal ...
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JPH1094836A |
To efficiently form a metallic plate to a bent trough shape with dies which can be manufactured at a low cost. Plural templates 10a are laminated, by which arc shaped slits are provided by metal plates and arc shaped look-through holes 1...
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JP2735452B2 |
PURPOSE: To bend in a prescribed shape a knife for punching a paper sheet, etc., by varying operation time through a control device. CONSTITUTION: The knife is held by a supporting mechanism 8 and a pressing mechanism 9 against the upper...
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JPH1076476A |
To perform sure assembly of a contact spring by a simple form, by rolling a pressing unit on an opposed surface of the contact spring, and providing a rolling surface pressing the contact spring to a web. A contact spring 20 is mounted i...
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JP2724466B2 |
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JP2723968B2 |
The machine includes a U-shaped pincer (12) with a pair of arms (14, 16) which carry a V-sectioned linear punch (P) and a V-sectioned linear die (D) respectively. The punch (P) is fixed and the die (D) is movable. The U-shaped pincer (12...
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JP2720781B2 |
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JP2721777B2 |
A device for sequentially stretched straightening a tube and bending same into a U-shape. The device includes a track for guiding a tube. A hold clamp is fixedly positioned on the track. A feed clamp is movably positioned on the track. A...
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JPH1058052A |
To provide a method for bending a plate by the linear heating in which no sophisticated calculation such as a finite element method is required, a sophisticated computer is dispensed with, and the information to meet the actual work can ...
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JPH1058072A |
To provide simple and economical method and device to form an eye on a terminal end of a heated leaf spring blank. A leaf spring eye forming device 100 is provided with a forming plate 16 which is moved in an inclined manner downward of ...
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JP2714558B2 |
To improve universal applicability and cost effectiveness of a die by providing a fixing part to fix a blank at die closing at each facing face of an upper/lower die and attachable/detachable push pins, which forms a curved face through ...
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JP2711502B2 |
PURPOSE: To easily form the curve of a plate piece such as the hit ball rail of a pachinko game machine by pressing the intermediate part of a plate piece by a recessed surface pressing bending mechanism while stably holding the plate pi...
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JPH10501467A |
The invention concerns a rounding device (10) comprising two shaping dies (12, 14) with shaping chambers (22, 24) in order to round a sheet bar (26) about a core (16). The peripheral lengths of the two shaping chambers (22, 24) are each ...
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JP2706505B2 |
A method and apparatus are disclosed which are useful for fabricating integrally bladed rotors. In particular, the method and apparatus are used to increase the twist of the blades on the rotor from a first degree of twist to a second de...
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JPH1025017A |
To provide a helical shaft of large carrying capacity by twisting a flat steel into a helical shape, and providing shafts of round steel and the like on both ends. When both ends of a flat steel 1 are pinched and twisted, flat parts are ...
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JP2701878B2 |
Forming hollow, box-section, frame members which include localized reinforcement. The frame members are produced by fitting a sleeve (11) about a tube (10), deforming the tube (10) and sleeve (11) to avoid the occurrence of pinching on c...
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JPH105923A |
To eliminate bending work to be performed for the volume distribution of a material to be forged in the width direction before forging by forging so that the counter weights of a crank arm are arranged on the same side in the width direc...
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JPH09327740A |
To perform hot coiling of a circular rod with only one time coiling without difficulty so as to make a finish shape excellent by setting beforehand a nose bending angle, lift up bending angle, twisting angle to a steel bar before hot coi...
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JP2691892B2 |
To manufacture a timbering automatically by a method wherein a solid web member and a horizontal member are obtained by using a press and a bender, both the solid web member and the horizontal member are fixed under a combined state and ...
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JPH09323129A |
To correct a heating condition according to corrected data, and to make a possibility approaching a target bending deformation shape large by quickly correcting a basic deformation formula which is a base by which a shape deformation and...
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JPH09320414A |
To reduce the vibration of the spiral spring, and prevent releasing energy from being reduced. Grooves in the axial direction are symmetrically formed at an interval of 180° with respect to a drum 3A. The hook parts 2a1 and 2a2 at the o...
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JPH09314239A |
To easily enable bending metallic materials such as a metallic strip and angle bar into a circular body having high out-of-roundness and, furthermore, to enable mass-production of the high-quality circular body without variation in the q...
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JP2683989B2 |
PURPOSE: To effectively bend a sheet metal by winding a sheet metal on a core metal, clamping with an upper and lower slide plates, and sliding forward and backward while pressing. CONSTITUTION: A sheet metal 7 is wound on a winding core...
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JP2556041Y2 |
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JPH09302841A |
To enable manufacturing lattices of various configurations simply by crushing and folding them and to easily and quickly connect them between parallel chords, relating to a trussed structure constituting the beams, columns, and the like ...
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JPH09300022A |
To make a machine for manufacturing a highly accurate twisted flat bar. This manufacturing machine for the twisted flat bar is provided with a rotary part 1 which is made so that the flat bar 4 is tightened and fixed at the end of a rota...
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JP2554163Y2 |
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JP2669261B2 |
PURPOSE: To provide a manufacturing device for forming rail by a load at the time of bending of a metallic plate is reduced and an adhesive bending is performed with inexpensive material. CONSTITUTION: Just before the adhesive bending is...
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JP2666691B2 |
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JP2666674B2 |
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JP2666685B2 |
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