File:Saw blade sharpening machine.webm
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Original file (WebM audio/video file, VP8/Vorbis, length 2 min 24 s, 1,920 × 1,080 pixels, 1.84 Mbps overall, file size: 31.43 MB)
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Summary
| Description |
English: In the 1920s the saw blade sharpening machine sharpened the circular saws in the Jacob Döring Tool Factory in Hagen (Germany, North Rihe-Westphalia). At first it was driven by a transmission using water power and later by an electric motor.
The saw blade is hooked into the machine and then slowly rotated. The saw teeth touch the grinding wheel and through its rotation the saw is sharpened. This creates the grinding sounds. The sharpening machine is currently in the possession of the Technology Museum Freudenberg (Germany, North Rhine-Westphalia) and is activated for demonstration purposes.Deutsch: Automatische Schleifmaschine für Kreissägeblätter. Aufgenommen im Technikmuseum Freudenberg |
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| Source | video, text |
| Author | Work With Sounds / Sound recordist: Konrad Gutkowski/Julian Blaschke. Video recordist: Konrad Gutkowski/Julian Blaschke |
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This file, which was originally posted to
video, text, was reviewed on 19 July 2016 by reviewer Rodrigolopes, who confirmed that it was available there under the stated license on that date.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:10, 7 August 2015 | 2 min 24 s, 1,920 × 1,080 (31.43 MB) | Raymond | Videoconvert upload from toollabs |
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