Air hardening (pilgrim rolling)
The sound of steel hardening after pilgrim rolling. After the termination of pilgrim rolling, certain alloys have to be air-cooled in steps…
Surface planing machine
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About the sound
SCM model F410
Made in Italy in 1998.
Importer CNC-team, Salo, Finland.
This surface planer is in use in Jyväskylän Uusiotuote ry, a workshop specialised on recycling. They repair and restore furniture at the woodwork shop.
Sound and video recorder: Leena Ahonen
Photographer: Leena Ahonen
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