DEVICE FOR CORRECTING DEFORMATION OF ANNULAR MEMBER

PROBLEM TO BE SOLVED: To resolve such problems that a die is broken in the case of developing a little slippage on the position for setting a work or a high speed continuous treatment becomes difficult in the case of executing exact positioning of the work to avoid the die breakage, because the brit...

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Bibliographische Detailangaben
Hauptverfasser: KOKUBU HIDEKI, AKASE SHOICHI, HORI KEIZO, UCHIUMI YASUO, OHORI MANABU, MAEDA AKITOSHI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To resolve such problems that a die is broken in the case of developing a little slippage on the position for setting a work or a high speed continuous treatment becomes difficult in the case of executing exact positioning of the work to avoid the die breakage, because the brittle material of the ceramic die is used, in the case of correcting a hardened deformation developed at the time of producing in annular member, such as the bearing ring of a rolling bearing by using the ceramic die and executing tempering treatment. SOLUTION: A work positioning means 20 for positioning the annular member W is arranged between a pressed-in cylinder 5 and a correcting die 2. The work positioning means 20 is provided with a positioning body 22 having half- circular or U-shaped opening hole 21 fitted to the annular member W and a supporting rail 23 for supporting the annular member so as to be swingable at the outlet side to accurately position the annular member W to the correcting die 2.