CAULKING METHOD

PROBLEM TO BE SOLVED: To provide a caulking method in which deficiency of the fixing force of caulking is solved.SOLUTION: The caulking method plastically deforms an end A of a caulking pin 4 penetrating through caulking holes 31, 32 formed concentrically in a plurality of members to fix the plurali...

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Bibliographische Detailangaben
Hauptverfasser:	SUZUKI HARUJI, OZAKI HIROYUKI, MORITA TETSUYA, HOSHINO AKINORI
Format:	Patent
Sprache:	eng
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a caulking method in which deficiency of the fixing force of caulking is solved.SOLUTION: The caulking method plastically deforms an end A of a caulking pin 4 penetrating through caulking holes 31, 32 formed concentrically in a plurality of members to fix the plurality of members. The caulking method includes: a first step of plastically deforming the end A so as to enlarge the diameter of an inner part B of the part in an axial direction of the caulking pin 4 other than the end A; and a second step of plastically deforming the outer periphery of the end A so as to enlarge the diameter of the end A larger than those of the caulking holes 31, 32.