Reply by sciotomike

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Posted on Delta Jointer

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12 posts in 616 days

#1 posted 10-10-2017 01:17 PM

This may not be a math problem (calculating RPM), it may be a knife setting problem.

The RPM calculations above are correct, however the effectiveness of the joiner is determined by CPM (cuts per minute). If one knife is set higher than the other two, your CPM have been reduced by 1/3. Thus leaving a wavy finish.

Feed rate can also be an issue (too fast), but not likely.

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