Multi-sided cylinder assembly machines automatically insert all bottom pins, master pins, top pins, and springs into a lock cylinder insert with more than one row of pins. Magazine loading the dimple lock (empty barrel with housing) into the nest of station 1. Station by station, machine will align the pinhole of the barrel with the pinhole of the housing, load the bottom pins, master pins, springs. 6 stations will finish the above mentioned work. 7th station will rotate the lock 90 degrees, moving the 1st side pinholes to the 2nd side pinholes. Make the 2nd row of pinholes up towards. Station 1-6 will do the same work on the 2nd row of pinholes. So is the working sequence for the 3rd row of pinholes. Finally, station 8 will send the finished lock to the sleeve wearing station. Wear the sleeve on the lock and then unload the finished lock in sleeve to the slide.