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All Replies on Powermatic Model 60HH 8 inch jointer unintended spring cut

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View BuilderJosh's profile

Powermatic Model 60HH 8 inch jointer unintended spring cut

by BuilderJosh
posted 12-03-2018 02:46 PM


3 replies so far

View jutsFL's profile

jutsFL

191 posts in 383 days


#1 posted 12-03-2018 02:59 PM

I never understood that logic for the jointer… I set my knives at precisely the same height as the outfeed table.

Its rather unlikely that the tables wouldnt be on plane. Id set the knives at the outfeed height and give it a shot.

-- I've quickly learned that being a woodworker isn't about making flawless work, rather it's fixing all the mistakes you made so that it appears flawless to others! Jay - FL

View Kazooman's profile

Kazooman

1380 posts in 2494 days


#2 posted 12-03-2018 03:32 PM

Check again that the planes of the infeed and outfeed tables are parallel to each other. (As an aside, everyone says coplaner which means being in the same plane. That would only occur if the tables are at the same height and they are not when the jointer is in use). Pay attention to your technique. As the workpiece is passed over the jointer you need to keep the recently jointed edge flat on the outfeed table. With a long piece of stock the weight of the amount hanging over the end of the infeed table tends to tilt the leading edge up and then near the end of the cut the opposite happens as the weight of the stock tilts the trailing edge up. That can result in just what you are seeing. A longer bedded jointer would be great, but barring that, infeed and outfeed support rollers can help, but they are very hard to get set up just right.

View GR8HUNTER's profile

GR8HUNTER

6597 posts in 1254 days


#3 posted 12-03-2018 03:43 PM

just as Kaz saying ^^^^^^^^^^^^^^ technique seems to be your problem :<((

-- Tony---- Reinholds,Pa.------ REMEMBER TO ALWAYS HAVE FUN

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