Logs on way out from Drum debarker.

About the sound

A debarker is a machine used to strip or remove bark from logs before processing. Drum debarkers are used by pulp mills and chip plants and are best suited for stripping pulpwood. Drum debarkers have been used in debarking pulpwood for centuries. Logs are loaded onto a conveyor belt which moves the logs into a ribbed drum. The drum is rotated and produces a rolling action that tosses and throws the logs around inside it. The abrasion caused from the logs hitting each other and being hammered against the inside of the drum walls removes the bark from the log. The bark is then released through slots located in the drum shell.

Recorded at Skärblacka paper mill owned by BillerudKorsnäs AB which is a Swedish pulp and paper manufacturer with headquarters in Solna.

Sound recordist: Torsten Nilsson
Photographer: Torsten Nilsson
Video recordist: Torsten Nilsson