带枝芽类拨叉锻造４０１４２１重庆市綦江齿轮厂张元兴王德辉我厂生产的汽车变速器中的换档拨叉，是一种带枝芽的叉类锻件，其锻件图如图１所示。图１拨叉锻件图１工艺分析图３这种拨叉锻件，两叉脚开档大，枝芽不在叉口中心，也不呈对称分布；断面差高达２∶１，其中最大... With bud bud fork forging 401421 Qijiang Gear Factory in Chongqing Zhang Yuanxing Wang Dehui I gear shift fork in the factory transmission, is a kind of forged fork fork with forging, the forgings figure shown in Figure 1. Figure 1 fork forgings Figure 1 Process Analysis Figure 3 fork forgings, fork legs open the file large, stick bud is not in the fork center, nor symmetrical distribution; section difference as high as 2: 1, of which the largest ...