Turning Of Thread-Forming Parts With Coarse Threaded Spindle (2)

The coarse threaded spindle 1 can be arrange on the side of the mold if a high mold cannot be mounted on the machine as shown in Fig 6.58. The driving gear 2 fitted to the spindle 1 turns the central gear 3 and the unscrewing gears 4. The unscrewing gear 4 can be arranged inside or outside the central gear. Bearing of the rotary part may be by rolling bearing, textile bakelite or Teflon (PTFE) sliding bearing.