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How far past cutterhead/drum to set tip of planer blade?

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Forum topic by Quanter50 posted 03-21-2015 01:39 AM 1932 views 1 time favorited 17 replies Add to Favorites Watch
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Quanter50

273 posts in 1758 days


03-21-2015 01:39 AM

Going over my newly acquired Delta DC-33 13” Planer. How far past the cutterhead should the tip of the knife be set? This is the way I found them and I didn’t get a knife setting jig with it. I do have new knives on the way. I tried to run a board through, but it sounded like the dull knives were beating the board to death. Man it was loud! Can anybody help me out? Thanks in advance.


17 replies so far

View Redoak49's profile

Redoak49

1944 posts in 1450 days


#1 posted 03-21-2015 02:18 AM

I set mine with the tip at top center

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MrUnix

4211 posts in 1660 days


#2 posted 03-21-2015 02:25 AM

I set mine with the tip at top center

That is how the are all set (at TDC), but not the answer to the question :)

To the OP, you might be able to find someone with the jig over at the owwm site, or a way to make one.

Cheers,
Brad

-- Brad in FL - To be old and wise, you must first be young and stupid

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Quanter50

273 posts in 1758 days


#3 posted 03-21-2015 02:26 AM

I mean…...how far does the tip of the cutting edge stick out? Extend past the drum?

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MrUnix

4211 posts in 1660 days


#4 posted 03-21-2015 02:31 AM

This might be a starting point: http://www.owwm.org/viewtopic.php?f=1&t=83009

Cheers,
Brad

-- Brad in FL - To be old and wise, you must first be young and stupid

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Quanter50

273 posts in 1758 days


#5 posted 03-21-2015 02:44 AM

Thanks Brad! Reading that page on OWWM answered everything I wanted to know!

View Ghidrah's profile

Ghidrah

667 posts in 684 days


#6 posted 03-21-2015 03:55 AM

There’s a real good reason for the setting jig, they aren’t overly expensive and the better ones are adjustable. This is a good thing if you’re getting snipe and you can’t adjust your rollers.

-- I meant to do that!

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MrUnix

4211 posts in 1660 days


#7 posted 03-21-2015 04:23 AM

There’s a real good reason for the setting jig, they aren’t overly expensive and the better ones are adjustable. This is a good thing if you’re getting snipe and you can’t adjust your rollers.

The DC-33/RC-33 jig is specific to the machine:

An aftermarket jig probably wouldn’t work due to the castings being offset and angled and lack of room to access the cutter head, but I’m not sure:

A dial indicator should work just fine… and the infeed/outfeed rollers are adjustable; both in height and tension. It’s not one of those typical plastic and sheet metal lunchbox things that are sold these days… it’s a beast of a planer.

Cheers,
Brad

-- Brad in FL - To be old and wise, you must first be young and stupid

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unbob

718 posts in 1365 days


#8 posted 03-21-2015 05:05 PM

This is a common type of setting gage for planers.

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bigblockyeti

3668 posts in 1182 days


#9 posted 03-21-2015 06:24 PM

If you’re looking for an actual dimension, I would say the less the better. You don’t want it out too far as the knives would be placed under excessive stress. With no other indicators available, I usually put the back edge of the bevel right at the edge of the drum.

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MrUnix

4211 posts in 1660 days


#10 posted 03-21-2015 07:32 PM

If you re looking for an actual dimension, I would say the less the better. You don t want it out too far as the knives would be placed under excessive stress. With no other indicators available, I usually put the back edge of the bevel right at the edge of the drum.

The thread over at owwm mentioned that the distance was stated by a Delta service tech.. and according to him, knife height should be between .0045-.0060” , he said they recommend .050” and that’s where they set the machines they repair.

Also, it is most common, when not knowing, to have the bevel edge (heel) set between 1/32” and 1/16”, and that is what is recommended by Powermatic, Delta, etc… in a lot of the manuals for older machines. YMMV.

Cheers,
Brad

-- Brad in FL - To be old and wise, you must first be young and stupid

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Quanter50

273 posts in 1758 days


#11 posted 03-21-2015 07:34 PM

Problem solved!! The guy I bought the Delta DC-33 Invicta Planer from, found the knife setting jig for the planer. He is sending it out to me as soon as he can. If you are reading this…...Thanks so much Brian!

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MrUnix

4211 posts in 1660 days


#12 posted 03-21-2015 07:48 PM

Problem solved!!

Fantastic.. nothing better than having the factory deal! And sellers who find stuff later on and are willing to send it along to you are a rare find as well :)

Cheers,
Brad

-- Brad in FL - To be old and wise, you must first be young and stupid

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Quanter50

273 posts in 1758 days


#13 posted 03-21-2015 07:52 PM

Thanks for your help too Brad. I learned a lot via. the reading material you pointed me to. Thanks unbob for that jig pic. too.

View Dan Roscigno's profile

Dan Roscigno

7 posts in 1816 days


#14 posted 06-25-2015 11:26 PM

Quanter50: Now that you have the jig, can you tell me what the measurement reads on your dial indicator? I have the DC33 and no jig. I am using a dial indicator in a holder like the one unbob posted.

Edit: found it at owwm: 45 to 60 thousandths. The existing knives were a little proud at 85 thousandths, I will bring the new ones down to 50 and try that and make the other adjustments.

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Quanter50

273 posts in 1758 days


#15 posted 06-25-2015 11:32 PM

Turns out tht the jig is worthless. Couldnt get them set with the jig. I set them 42 thousanths past the drum (i think thats what it was). Good luck

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