Troubleshooting Snipes on a Through Feed Moulder - Right Side Snipes |
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Description |
Probable Cause |
How to Correct |
A snipe on the right side of a finished part created by the right side spindle and on the leading end of the part. |
The right side cutterhead is behind the right side guide. |
Check the setting of the right side cutterhead with a straight edge. |
Right side guide too far from cutterhead. |
Adjust the right side guide towards the cutterhead. Do not permit the guide to hit the knives. |
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Infeed guide not parallel. |
Realign the side guides. |
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A snipe on the right side of a finished part created by the right side spindle and on the trailing end of the part. |
Right side cutterhead is outside the right side guide. |
Check the setting of the right side cutterhead with a straight edge. |
A snipe on the right side of a finished part created by the right side spindle and on either or both end of the part. |
Un-square ends of stock (usually only on short stock). |
Adjust the chop saw to cut the ends square. |
Right side guide not parallel with infeed guide. |
Realign the side guides. |
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Left side guide not holding the stock tight. |
Set the left side guide to the material. |
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Referencing cutter not set to guide. |
Check the setting of the reference cutter to the reference guide with a straight edge. |
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Infeed guide out of parallel to the referencing guide. |
Realign the side guides. |
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Holdover roll is across from the right side cutterhead and not the referencing guide or infeed guide extension. |
Use the longer reference guide. Adjust the infeed guide extension. Adjust the holdover roll. |
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Bowed stock. |
Feed stock into the machine with the bowed edge against the infeed guide. |
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Both side of the stock are not held down by the feedrolls (usually only with wide material). |
Space feedrolls out across the width of the material. |
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Lower feedroll on the upper roll shaft. |
Serrations pull stock away from the right side guide. Replace rolls. |
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Slivers in the moulder. |
Clean the moulder. |