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JP2000309004A |
To cut a thick hard plate material efficiently smoothly and while the cut loss of the thick plate material is reduced to the utmost limits by preventing breakage of an edge tool. A cutter for a plate material cuts a plate material B with...
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JP2000308920A |
To accurately cut a bar-shaped material at a low cost, while improving cutting accuracy and productivity. A first insertion hole 10 which can support a material 4 by inserting it movably in an axial direction from axial direction one end...
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JP2000301410A |
To cut and remove extra wires on an inside diameter side of various coils by cutting operation at one time. This extra wire cutting device is provided with a die 1 provided with a first escape groove 3 in which an extra coil part 8 of a ...
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JP2000288864A |
To accumulate or sort works cut by an L-shaped blade type cutter having plural delivery positions in a prescribed position. This work accumulating device 81 is provided with a work sweeping-out device 75 having a work raking-out plate 73...
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JP2000263313A |
To relax a rubbing with a plate cut surface during raising of an upper blade and to prevent an abrasion of the upper blade by providing an upper blade urging avoiding means for enlarging a gap between the upper blade and the plate materi...
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JP2000263319A |
To reduce a preparatory time by improving operability in changing cutting blades. A shape steel working machine 1 works a shape steel by moving up and down a slide blades 9A and 9B acting as movable metal dies fitted to fixed blades 11A ...
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JP2000263314A |
To uniformly carry out a chamfering R of both sides edge surfaces of a metal strip with no distribution by forming a concave portion roll in which a processing portion of an outer periphery is a concave portion and a convex portion in wh...
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JP2000246536A |
To improve work environment by preventing the occurrence of noise, dust and the like, sufficiently secure workability, furthermore, enable reduction in weight and miniaturization, and thereby enable a device to be carried in a work site....
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JP2000237916A |
To provide a drum type shear capable of certainly fixing a blade to a rotary drum and easily exchanging the blade for a short time. The drum type shear is provided with a bolt of which one end is connected to a fixed block 3 and the othe...
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JP2000510393A |
A cutting device for cutting a metal bar into thin plate-like pieces, said cutting device comprising a supporting frame (1), which supports the metal bar (9) to be cut, and a cutter plate (2) substantially transverse to the metal bar for...
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JP3058247B2 |
A shearing machine includes a sickle shaped upper jaw interacting scissors fashion with a generally linear lower jaw. The distal ends of the sickle shape begin shearing from opposite ends of a plate-type object at about the same time, wi...
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JP2000173541A |
To provide a lamp surely preventing sodium diffusion and having an extremely compact constitution by letting a sealed glass bulb filled with inactive gas or in a discharged state and by making the outside glass bulb vacumized.This haloge...
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JP2000158229A |
To improve toughness of a nitrided layer, continuously reduce hardness of the nitrided layer to improve adhesion to a base steel layer, and improve various resistances, by using marageing steel or the like for material of a metallic cutt...
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JP3045818B2 |
PURPOSE: To obtain a lead wire cutting edge for electric parts which can prevent peeling-off of plating during the cutting process of a lead wire and avoid generation of defective electric parts. CONSTITUTION: A cutting edge 30 is lowere...
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JP3046512B2 |
PURPOSE: To increase reliability of a cutter edge changer, and improve efficiency of cutter edge changing work by securely and safely holding cutter changing members including a spacer and a shock absorbing material for positioning a cut...
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JP3046513B2 |
PURPOSE: To improve work efficiency by mechanizing cutter edge changing work, prevent generation of galling in the surface of a cutter shaft, and improve reliability of a device. CONSTITUTION: The device is provided with a storage device...
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JP3046514B2 |
PURPOSE: To securely hold cutter or spacer in a simple structure, prevent generation of galling in a cutter shaft, and improve reliability of a cutter edge changer. CONSTITUTION: The cutter edge changing hand 30 of a cutter edge changer ...
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JP3042653B2 |
PURPOSE: To improve the impact resistance and cutting efficiency of a cutting blade for cutting metallic material by forming the basic shape of a cutting edge into V-shape, setting this V-shape angle within a specific range, and chamferi...
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JP3039389B2 |
To adjust the clearance for two sides of the edge formed in L shape by one adjust operation simultaneously and constitute the elevating mechanism of a movable edge simply. This device is provided with a fixed edge 13 with a nearly L shap...
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JP2000117530A |
To prevent the occurrence of a state to effect semi-slip of a shim from a holder while a shearing work is effected for a long time.A lower holder 9 is provided with a support surface 9a to support the horizontal support surface 5a of a l...
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JP2000094214A |
To obtain life of cutlery suitable for manufacturing capacity of a hot-rolled steel plate and preceding/succeeding process capacity, by forming one heat-resistant and shock-resistant buffer layer of a given hardness or less in a slant pl...
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JP3027547B2 |
To provide a shearing device which enables a replacement work of knives to be easily performed. A shearing device 1 is provided with a shearing machine 2 and a knife replacing machine 3. A conveying means 30 for carrying in knives 4, 5 c...
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JP2000084728A |
To prevent a clearance from becoming smaller than a prescribed quantity, and to thereby prevent cutting blades of a pushing blade and a receiving blade from being contacted, abraded and damaged, by installing, on the pushing blade or the...
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JP2603806Y2 |
A portable, power-driven machine for cutting a threaded rod to any required length by the shearing action of a movable cutting bit thrust past a fixed cutting bit. Each cutting bit has a series of semicircular internal threads for mating...
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JP3025794B2 |
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JP3016944B2 |
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JP2603195Y2 |
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JP2000042828A |
To easily execute various kinds of machining, such as V-notch machining, corner cut machining or the like, to a steel product of an equal angle steel or the like by using only a single stopper. A plane V-groove shaped lower blade 15 havi...
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JP3009689B2 |
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JP3007130B2 |
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JP3004417B2 |
The use of changing tools, such as drilling, cutting or punching tools, in working machines which are provided for producing a variety of products and in which the changeover from one product to another is to take place rapidly and witho...
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JP2999551B2 |
A clamping apparatus allowing an operator to securely position and clamp a cut-off die set to the carriage of a cut-off press. The clamping arrangement includes outwardly beveled sides on the die set coacting with an inwardly beveled sto...
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JP2998028B1 |
[wrap up] In the attachment of the cutting die that slides the moving blade 2B along the plate surface of the fixed blade 2A to cut the shaped steel material, the elastic member that presses and biases the plate surface of the fixed blad...
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JPH11347830A |
To smoothly conduct the feeding work of a rod-like material and to continuously implement the shearing work by forming clearance grooves along the plane perpendicular to the moving direction of a moving edge on the inner wall face of the...
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JPH11347827A |
To allow miter cut machining and straight cut machining by providing a miter cut section cutting the edge section of a band edge to cross it diagonally and a straight cut section cutting the edge section in the width direction to form a ...
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JPH11347831A |
To provide the electric cutter of lightweight shape steel which can cut off lightweight shape steel such as a joist along an opening edge by one operation and further cut even the lightweight shape steel projected to a circular opening f...
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JPH11347833A |
To provide a cutting device for Ni system metal wire rod which hardly produces large burrs on a cut piece. In a wire rod cutting device 23, the upper limit value of the wire diameter of a wire rod considering a size tolerance is made to ...
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JP2989287B2 |
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JP2984483B2 |
PURPOSE: To cut shape steels in large and small sizes by using a moving blade and a fixed blade. CONSTITUTION: In a shape steel cutting device for cutting shape steel inserted to a cut-in part 32 by providing a moving blade 20, provided ...
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JPH11320492A |
To precisely adjust a cutting blade at a lowered position in blade exchanging using a simple way and method. A cutting blade 12 is detachably attached to a blade supporting body while the blade 12 detached from the blade supporting body ...
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JP2980483B2 |
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JP2963398B2 |
To provide a shape steel cutting method and a device thereof by which the cut plane is smooth, the shape of the cut plane is satisfactory, and cutting load can be reduced. In the cutting method in which a shape steel 1 is cut by moving a...
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JP2953572B1 |
[wrap up] [Task] The challenge is to be able to shear the threaded part of the bolt without crushing the thread. A positioning means 16 for determining the axial position of the bolt is provided, and when the bolt is positioned by the po...
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JPH11235618A |
To provide an ingot cutting device that can cut a plurality of ingots a single cutting operation using a fewer output power of a hydraulic motor than that required for cutting all the ingots simultaneously. An ingot cutting device which ...
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JPH11221713A |
To perform the shearing work with the wide range of thickness from a thin plate to a thick plate by selecting a die set for shearing comprising an upper cutting roller and a lower cutting roller having the shearing clearance correspondin...
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JP2933646B2 |
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JP2933650B2 |
A notching blade assembly specifically for use in a double-cut die set of the type used to cut tubing continuously emanating from the tube mill. The present invention is directed toward the notching blade assembly used in conjunction wit...
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JPH11216617A |
To improve the surface shape, above all, the surface roughness of a cutting blade, and realize appropriate hardness of a blade tip by providing the cutting blade in which the surface roughness is not more than the prescribed value, and t...
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JPH11216612A |
To provide a method and a device for cutting a shape steel, wherein sufficient hole form inner clearance is provided even for a hot rolled shape steel, clearance with a fixed cutter receiving a cutting reaction force before cutting is au...
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JPH11216614A |
To provide a method and a device for multiline cutting, which is capable of reducing a shearing force during the multiline cutting of a shape steel. In the case of almost simultaneously shearing a plurality of shape steels by using a fix...
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