The calculations below are based on typical blade maintenance costs and time, working an 8-hour day with medium-density wood, producing 1,900BF/4.5m3. (1 cubic metre of sawn timber equals around 424BF)
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| Peterson Swingblade | Bandsaw | |
|---|---|---|
| Quantity of sawn timber between sharpening | 636BF/1.5m3 | 400BF/0.94m3 |
| Sharpening time and cost | 5 mins ($1.66) | 5 mins to change, 20 mins to sharpen ($8.30) + transport ($2.50) |
| Quantity of sawn timber between re-tip (circular) or replace (band) | Re-tip at 33,920BF/80m3 | Replace at 1,600BF/3.78m3 (4 sharpens per blade) |
| Re-tip/replace cost | $70 | $20 per band |
| Quantity of sawn timber between retension (circular) or reset (band) | 67,840BF/160m3 | 800BF/1.88m3 |
| Retensioning/resetting time ($20/hr) or saw doctor costs | $10 | 20 mins ($6.67) |
| Total blade maintenance costs per 1,000BF | $4.81 | $47.83 |
| Total blade maintenance costs per cubic metre (m3) | $2.03 | $20.28 |
| Blade maintenance costs PER DAY (1,900BF/4.5m3) | $9.14 | $90.88 |
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