Snipe Problems on a Through Feed Moulder 4: Right Side Snipes

      A troubleshooting checklist table for moulder operators. December 1, 2006

Reprinted with permission from Diehl Machines, www.diehlmachines.com.

Troubleshooting Snipes on a Through Feed Moulder -
Right Side Snipes
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.

Infeed guide not parallel.

Realign the side guides.

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.

Left side guide not holding the stock tight.

Set the left side guide to the material.

Referencing cutter not set to guide.

Check the setting of the reference cutter to the reference guide with a straight edge.

Infeed guide out of parallel to the referencing guide.

Realign the side guides.

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.

Bowed stock.

Feed stock into the machine with the bowed edge against the infeed guide.

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.

Lower feedroll on the upper roll shaft.

Serrations pull stock away from the right side guide. Replace rolls.

Slivers in the moulder.

Clean the moulder.

See other articles in this series at:
Bottom Snipes
Top Snipes
Left Side Snipes

Reprinted with permission from Diehl Machines, www.diehlmachines.com.


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