Bending method and bending device
a technology of bending method and bending device, which is applied in the direction of osteosynthesis device, metal working device, metal-working device, etc., can solve the problems of material and material breaking, easy breakage of osteosynthesis plate,
Inactive Publication Date: 2016-07-28
OLYMPUS CORP
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- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Benefits of technology
The present invention provides a method for bending a plate-like workpiece by setting the workpiece in a bridged manner between two receiving sections and then causing a pressing force to act on the workpiece by using a marker to indicate the area has been pressed. The invention also provides a bending device including a pressing section, an operable section for applying an external force, and a marker retaining section for retaining a marker. The technical effects of this invention include allowing for easier and more precise bending of workpieces, and ensuring the surface quality of the workpiece is not compromised during the bending process.
Problems solved by technology
In a case where a highly fragile material, such as magnesium or a magnesium alloy, is used as the osteosynthesis plate, if the bending process is performed again on an area that has already been bent once, the osteosynthesis plate may easily break due to repeated plastic deformation.
In particular, for example, if the same area is bent in the reverse direction after a fine bending process that is difficult to visually recognize, the material may break.
Method used
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Embodiment Construction
[0022]A bending device 1 according to an embodiment of the present invention will be described below with reference to the drawings.
[0023]As shown in FIG. 1, the bending device 1 according to this embodiment includes two components 3 and 4 connected to each other in a pivotable manner about a pivot shaft 2. First ends of the two components 3 and 4 are respectively provided with grip sections 5 and 6 (operable sections) that are to be gripped by a physician with one hand. As shown in FIGS. 2A and 2B, a second end of the first component 3 is provided with two planar receiving sections 8 spaced apart from each other with a groove 7, which substantially has a semicircular shape in cross section, interposed therebetween. A second end of the second component 4 is provided with a columnar pressing section 9, which is to be moved to a position where it engages with the groove 7 by pivoting the two components 3 and 4 relatively to each other.
[0024]As shown in FIG. 2A, the pressing section 9 ...
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Abstract
The possibility of performing a bending process again on an area that has already been bent once is reduced. Provided is a bending device including two receiving sections disposed with a distance therebetween; a pressing section that presses a plate-like workpiece, which is supported in a bridged manner between the receiving sections, into a space between the receiving sections; an operable section that applies an external force for causing the pressing section to generate a pressing force; and a marker retaining section that is attached to at least one of the pressing section and the receiving section side and that retains a marker to be adhered to a pressed area of whichever one of surfaces of the workpiece by means of the pressing force.
Description
CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This is a continuation of International Application PCT / JP2014 / 074473, with an international filing date of Sep. 17, 2014, which is hereby incorporated by reference herein in its entirety. This application claims the benefit of Japanese Patent Application No. 2013-220028, filed on Oct. 23, 2013, the content of which is incorporated herein by reference.TECHNICAL FIELD[0002]The present invention relates to bending methods and bending devices.BACKGROUND ART[0003]In the related art, a known processing tool includes two receiving protrusions spaced apart from each other such that an osteosynthesis plate can be bridged therebetween, and a pressing section that moves toward an area between the receiving protrusions. The osteosynthesis plate supported between the receiving protrusions is bent by sandwiching the osteosynthesis plate between the pressing section and the receiving protrusions and pressing against the osteosynthesis plate using the p...
Claims
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Login to View More IPC IPC(8): B21C51/00B21D5/02
CPCB21D5/02B21C51/005A61B17/8863B21D5/01
Inventor TANIGUCHI, HIROFUMI
Owner OLYMPUS CORP