startrite_bandsaw
Differences
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startrite_bandsaw [2019-05-20 19:44] – Bandsawing practice. vzickus | startrite_bandsaw [2019-06-09 01:27] – alfie | ||
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^ Material ^ Speed (feet/min) (thickness < 0.5") ^ Speed (feet/min) (thickness > 0.5") ^ | ^ Material ^ Speed (feet/min) (thickness < 0.5") ^ Speed (feet/min) (thickness > 0.5") ^ | ||
- | | Aluminium | 1000 | 700 | | + | | Aluminium |
- | | Brass - Cast | 320 | 180 | | + | | Brass - Cast | 320 | 180 | |
| Brass - Soft | 1800 | 1000 | | | Brass - Soft | 1800 | 1000 | | ||
| Cardboard | 3200 | 3200 | | | Cardboard | 3200 | 3200 | | ||
- | | Copper | 1800 | 1000 | | + | | Copper |
| Iron - Cast | 180 | 100 | | | Iron - Cast | 180 | 100 | | ||
| Leather | 3200 | 3200 | | | Leather | 3200 | 3200 | | ||
- | | Plastics | 3200 | 3200 | | + | | Plastics |
| Rubber | 3200 | 3200 | | | Rubber | 3200 | 3200 | | ||
| Silver | 1800 | 1800 | | | Silver | 1800 | 1800 | | ||
- | | Steel | 180 | 180 | | + | | Steel *| 180 | 180 | |
| Wood | 3200 | 3200 | | | Wood | 3200 | 3200 | | ||
+ | * - cooling recommended in the manual. | ||
+ | * * - cooling recommended for perspex in the manual. | ||
===== Saw blade width and minimum sawing radius ===== | ===== Saw blade width and minimum sawing radius ===== | ||
+ | //Table copied from the manual.// | ||
+ | |||
This is only a guide. Always err on larger radius side. Use relief cuts, and drill relief holes where necessary. | This is only a guide. Always err on larger radius side. Use relief cuts, and drill relief holes where necessary. | ||
| Saw blade width | 1/8" | 3/16" | 1/4" | 3/8" | 1/ | | Saw blade width | 1/8" | 3/16" | 1/4" | 3/8" | 1/ | ||
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===== Bandsawing practice ===== | ===== Bandsawing practice ===== | ||
+ | //Copied from the manual.// | ||
Maximum saw blade life : Medium saw blade tooth pitch, speed and feed. | Maximum saw blade life : Medium saw blade tooth pitch, speed and feed. | ||
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Fine accurate finish : Fine tooth pitch, fast speed and light feed. | Fine accurate finish : Fine tooth pitch, fast speed and light feed. | ||
+ | |||
+ | ===== Troubleshooting ===== | ||
+ | //Copied from the manual.// | ||
+ | |||
+ | |||
+ | **Blade wanders from true line:** | ||
+ | * Excessive feed pressure. | ||
+ | * Blade teeth dull or of too fine pitch. | ||
+ | * Guide inserts not controlling blade wear or incorrect adjustment. | ||
+ | * Blade tracking incorrect. | ||
+ | * Loss of set to one side of saw teeth. | ||
+ | |||
+ | **Premature blade breakage:** | ||
+ | * Excessive feed pressure, and/or too much blade tension. | ||
+ | * Worn or incorrectly set guides. | ||
+ | * Joint improperly welded and annealed. | ||
+ | * Blade too wide for curved cut. | ||
+ | * Bandwheels worn. | ||
+ | * Blade teeth of too fine pitch. | ||
+ | |||
+ | **Blade bows in deep cut:** | ||
+ | * Excessive feed pressure. | ||
+ | * Blade teeth dull or of too fine pitch. | ||
+ | * Insufficient blade tension, and/or blade too narrow for depth of cut. | ||
+ | * Blade running off at start of cut. | ||
+ | |||
+ | **Blade teeth dull rapidly:** | ||
+ | * Insufficient feed pressure. | ||
+ | * Blade pitch too fine. | ||
+ | * Guide inserts snagging set of teeth. | ||
+ | * Speed too fast. | ||
+ | |||
+ | **Teeth tron from blade:** | ||
+ | * Excessive feed pressure. | ||
+ | * Gullets of teeth loading. | ||
+ | * Pitch of teeth too coarse. | ||
+ | * Blade speed too fast | ||
+ | |||
+ | **Blade developing twist:** | ||
+ | * Excessive feed pressure. | ||
+ | * Guide inserts snagging blade. | ||
+ | * Blade too wide for radius of cut. | ||
+ | * Excessive blade tension. | ||
+ | * Blade not tracking correctly. | ||
+ | * Loss of set to one side of saw teeth. | ||
+ | |||
+ | **Blade vibrates in cut:** | ||
+ | * Workpiece not properly seated or securely held. | ||
+ | * Blade speed too fast, and/or blade pitch too coarse. | ||
+ | * Insufficient blade tension. | ||
===== Trainers & Maintainers ===== | ===== Trainers & Maintainers ===== | ||
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* Cameron Sharp (cazagen) | * Cameron Sharp (cazagen) | ||
* Mike Walters (miek) | * Mike Walters (miek) | ||
+ | * Alfie Pates (alfie) |
startrite_bandsaw.txt · Last modified: 2022-06-18 21:18 by mike