Mother engraver

Mother engraver at Qualiton Records, Pontardawe (1959)

The mother Stecher is an employee in a record pressing plant, which in the production process for a vinyl - record the mold, the so-called mother worked.

During the manufacture of the nut, contamination may have occurred in the grooves of the plate. The mother engraver listens to the mother in particular for cracking noises and disturbances. Here it works sequentially, turn by turn. With a microscope he localizes the background noise and removes the contamination of the mother with a fine burin .

Once the engraver has removed all interfering noises with the burin and is satisfied with the sound, the mother who is supposed to make the actual press dies ("sons") reaches the next station, the electroplating .

Individual evidence

1. ↑ DIE ZEIT: Press, now! 60 years of vinyl. Retrieved October 27, 2015.
2. ↑ Photo documentation: Record production in the Pallas pressing plant. Retrieved October 27, 2015.