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JP2012153937A |
To provide a forming method of high production efficiency, recovering hem workability effectively, as to an Al-Mg-Si aluminum alloy material age-hardened at an ambient temperature.An Al-Mg-Si aluminum alloy sheet age-hardened at the ambi...
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JP2012152780A |
To provide a molding working method capable of effectively recovering hem workability and having high production efficiency about an Al-Mg-Si based aluminum alloy material that is age-hardened at a normal temperature.Restoration processi...
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JP4998332B2 |
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JP4996907B2 |
In a roller hemming method for folding a flange erected from a workpiece by pressing a working roller against the flange and moving the working roller relative to the flange, the flange is folded by: a first temporary bending step of ben...
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JP4993432B2 |
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JP2012130951A |
To narrow layout space for a machining force imparting member for imparting machining force to a workpiece and a driving force generation member, so that the members can be arranged compact.A machining apparatus 1 for machining a workpie...
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JP4973586B2 |
A brake disk producing method, comprising a periphery pressing step for forming an outer peripheral shape (5) of a rotor plate (2) into a peripheral shape having recesses and ridges (5a, 5b) repeated in a radial direction, and a chamferi...
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JP4961283B2 |
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JP4956153B2 |
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JP4947496B2 |
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JP4943666B2 |
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JP4938715B2 |
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JP4924539B2 |
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JP4919416B2 |
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JP4916104B2 |
The present invention provides a deburring device for a punch press which can remove burrs produced along a slot or a cut portion formed in a plate material by punching or cutting using a punch press so that the removal is carried out as...
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JP4900836B2 |
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JP4889408B2 |
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JP4891738B2 |
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JP4888933B2 |
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JP4876698B2 |
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JP4873601B2 |
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JP4870479B2 |
A movable die 18 including a first groove 52 and a second groove 54 that extend in a direction in which hemming is performed is moved by a robot 22, and is positioned and set with respect to a wheel arch portion 16 in a vehicle 12 on a p...
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JP2012020330A |
To provide technology for molding a further uniform thick flange in burring working for forming the flange at a plate-like material to be worked such as a steel plate.A burring punch 20 is formed into a tapered cylindrical rod shape havi...
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JP4864485B2 |
To provide a forming die for a pressing machine with which burrs generated on the edge of a hole can be precisely squeezed and impressions left on the inner peripheral surface of the hole are eliminated even when the hole has a minute sl...
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JP4865370B2 |
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JP4856860B2 |
To easily manufacture an internal/external double tubular body which has high heat resistance and does not cause fine wrinkles, crack or buckling on the surface, by reversing work, regarding the manufacturing method of the internal/exter...
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JP4856919B2 |
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JP4830255B2 |
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JP4825635B2 |
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JP4822485B2 |
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JP4815186B2 |
To provide a manufacturing method by which a double pipe having an outer pipe part which has high rigidity is manufactured even when a thin tubular material is used. After forming a collar part 12 by expanding the lower end part of a tub...
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JP4812307B2 |
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JP4804809B2 |
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JP4802271B2 |
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JP4798603B2 |
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JP4799030B2 |
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JP4794271B2 |
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JP4795462B2 |
A roller hemming device capable of correcting a positional error between a robot manipulator and a workpiece, and carrying out a pre-hemming and/or hemming process with appropriate pressing force. The roller hemming device has a position...
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JP4794272B2 |
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JP4781762B2 |
To acquire an edge treatment method for a sheet metal material, which can easily obtain a desirably-crushed edge face, by preventing the sheet metal material from shifting laterally during swaging work. The sheet metal material 5 having ...
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JP4777633B2 |
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JP4772736B2 |
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JP2011173143A |
To provide a method for stably removing burrs and angles which are formed during the slitting by always pressing metallic rolls at an arbitrarily fixed pressure to the metallic strip even when there is variation in the width of the metal...
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JP4766921B2 |
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JP4760213B2 |
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JP4756858B2 |
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JP4749044B2 |
To form a cutting blade at a thin metallic sheet forming an inner blade for an electric shaver only by press working. At the thin metallic sheet 41, slit holes 42 extending in a direction crossing the sliding direction of the inner blade...
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JP4746904B2 |
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JP2011147988A |
To provide a method and a device for working a pipe, by which the strength of the end part of the pipe is secured and the pipe is made light in weight.In the method for working the pipe, after bending the end portion 1a of the pipe 1 fix...
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JP2011148006A |
To provide a deburring tool for a punch press which can remove burrs on a long hole and a cut portion formed in a plate material by punching and cutting using a punch press in the same punch press process.A deburring tool 6 for a punch p...
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