Turning Of Thread-Forming Parts With Rack (2)

The gear segment 2 is connected to the rack I which drives the unscrewing gears, as shown in Fig.6.60.When the mold is opened, the gear segment 2 is turned by the swinging path 3 by about 120-140. The rack 1 moves along a relatively short path, hence the unscrewing gears 9 turn around 3.5 times