Wood Lathe Operation
SYMPTOM |
| POSSIBLE CAUSE |
| CORRECTIVE ACTION |
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Workpiece vibrates exces- | 1. | Workpiece mounted incorrectly. | 1. | |
sively. |
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| embedded in true center of workpiece. |
| 2. | Workpiece warped, out of round, or | 2. | Cut workpiece to correct, or use a different |
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| is flawed. |
| workpiece. |
| 3. | Spindle speed is set too fast for | 3. | Reduce the spindle speed. |
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| mounted workpiece. |
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Chisels grab or dig into | 1. | Tool rest set too low. | 1. | Set tool rest higher. See Page 17 for how to prop- |
workpiece. |
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| erly set the tool rest height. |
| 2. | Tool rest set too far from workpiece. | 2. | Move the tool rest closer to the workpiece. See |
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| Page 17 for the proper workpiece/tool rest clear- |
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| ance. |
| 3. | Wrong chisel/tool being used. | 3. | Use the correct chisel/tool; educate yourself by |
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| reading books, trade magazines, or seeking help |
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| from an experienced lathe operator. |
| 4. | Chisel/tool dull. | 4. | Sharpen or replace the chisel/tool you are using. |
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Bad surface finish. | 1. | Wrong spindle speed. | 1. | Use |
| 2. | Dull chisel or wrong chisel being | 2. | Sharpen chisel or try a different chisel. |
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| used for the operation. |
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Inaccurate turning results | 1. | Headstock and tailstock are not | 1. | Realign the tailstock to the headstock. See Page |
from one end of the |
| properly aligned with each other. |
| 32. |
workpiece to the other. |
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Tailstock moves. | 1. | Tailstock mounting bolt loose. | 1. | Tighten. |
| 2. | Too much clamping pressure | 2. | Apply less clamping pressure with tailstock. |
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| applied by tailstock. |
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| 3. | Bed surface is oily or greasy. | 3. | Clean bed surface to remove oil/grease. |
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Hard to remove tapered | 1. | Tailstock barrel had not retracted all | 1. | Turn the barrel handwheel until it forces taper out of |
tool from tailstock barrel. |
| the way back into the tailstock. |
| barrel. |
| 2. | Debris was not removed from taper | 2. | Always clean tapers before installing. |
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| before inserting into barrel. |
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| 3. | Tapers have rust. | 3. | Remove rust and wipe down with metal protectant; |
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| do not keep tapers installed when not in use. |
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G0456 Variable Speed Wood Lathe |