FORGING APPARATUS AND FORGING METHOD
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United States of America Patent
Stats
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N/A
Issued Date -
Aug 1, 2019
app pub date -
Jan 15, 2019
filing date -
Jan 15, 2019
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
The forging apparatus includes: a fixed punch 21 in which a tapered part 21a for molding the diameter enlarged part is formed; a die 30 arranged so as to surround an outer periphery of the fixed punch 21; and a movable punch 10 that is arranged above the fixed punch 21 so as to be opposed to the fixed punch 21. The die 30 is floatingly supported and includes a protruding part 33a for molding the groove on an inner peripheral surface thereof, and when the movable punch 10 is lowered, an annular blank 40 set between the fixed punch 21 and the die 30 is pressed, and the annular member is molded, the die 30 is lowered along with the movable punch 10, and the groove is molded on the outer peripheral surface of the diameter enlarged part while molding the diameter enlarged part.
First Claim
Other Claims data not available