日本精密锻造现状_近藤一义.pdf

[ ] ; [ Abstr act] T his paper makes discussions on the processing of the high precision die , the control of the recision of uidin ,the im rovement of the mat erials of the f or ed arts and the p g g p g p automation of the for in t echnolo in relation to the hi h recision f or in and the for in g g gy g p g g g g industr in J a an , and intoduces the methods of recision for in s as com osite for in , the y p p g g p g g closed plunger forging and the cold forging etc together w ith the f orging of some typical parts. : Rel ated terms : For i n Preci si on g g , 1 4 2 , 21 , , , , , , , , , 1 , , , , , 20% 30% , , , , 1 , 1996 10 1 1 3. 4 , CA DCAMCAECAT , , , , , , , , 3 3. 1