J. Phil Thien's Projects

Quote from: bbain on July 01, 2023, 01:28:02 PM
I have had a push through thien top hat in operation on a 735 planer for almost 10 years.  Works great, doesn't clog,

Thanks for the reply!

Quote from: bbain on July 01, 2023, 01:28:02 PMDon't over think it.

Where's the fun in that. ;D

What's your top hat's diameter & what size hose are you using from the 735 to the Thien Baffle.

Doug

I have had a push through thien top hat in operation on a 735 planer for almost 10 years.  Works great, doesn't clog, if you over fill the bin it will shoot out chips all over the shop. (guess how I found that out) Mine is now vented outdoors in an attempt to keep more dust out of the air.

Don't over think it.  Build it and enjoy worry free chip collection.

Quote from: jgt1942 on June 14, 2023, 07:57:21 PMI plan to use a 5HP motor with a 16" impeller.

I don't think I have ever seen a Thien Baffle used with a motor larger than 3HP, most of the conversions I've seen use the Harbor Freight 2HP blower/motor.

This old post has some PDF links that may help you figure out what the diameter of the baffle should be.
https://www.jpthien.com/smf/index.php?topic=745.0

Here's another old post of a 6" inlet build.
https://www.jpthien.com/smf/index.php?topic=429.msg2187#msg2187

Quote from: jgt1942 on June 14, 2023, 07:57:21 PMit will be necessary for me to build a housing for the motor and impeller as well as the tophat.

From what I understand that can be a little tricky since the motor's HP / Impeller / & Housing are normally designed as one unit. I'm sure there's some type of mathematical formula to figure it all out, but the biggest thing to watch out for is the motor drawing too many amps.

Doug

QuoteThe question I have for you is what type of waste will the DeWalt DW735X planer create. If you are using the long knives it will produce long strings and often the strings will block the circular cutout.

I've read that the impeller in the blower of the DeWalt 735 will somewhat chop-up the long strings?
https://www.youtube.com/watch?v=WTFdwDLNGfA

For now, I'll just be using the straight knifes but I do plan to upgrade to the helix-style head at some point.
I'm also thinking about making the circular cutout slightly wider which I understand lowers the efficiency, but it should help with the clogs.   

The majority of my planning will on narrow width boards so the strings should be minimal length.

Doug

I'm sure there are plans for a tophat with 6" ports but I cannot find them, The search function in the forum is too limiting for what I have been feeding it.

I plan to use a 5HP motor with a 16" impeller. Thus it will be necessary for me to build a housing for the motor and impeller as well as the tophat.

Several years ago I converted a Grizzly DC from a single-stage to a two-stage using using 4" ports on the tophat. It really worked great. I never got around to installing good filters on the Grizzly but still it was MUCH better than the original Grizziy.

Just my thoughts, but I expect the pull to be better. The question I have for you is what type of waste will the DeWalt DW735X planer create. If you are using the long knives it will produce long strings and often the strings will block the circular cutout. If you have a helix (shelix) head then you should be OK. I would also guess that the DeWalt to have consider less power than an impeller connected to the Thien and pulling the air through.

A couple of years ago I had the Harvey G700 dust collector and my Hammer A31 planner/joiner had the knives at that time and I no longer had my Thien. I spent more time cleaning out the blockage in the G700 than I did running boards through the A31. I was so disappointed in the performance I sold the G700. Since then I have upgraded my A31 with a Shelix head (love it).

I recently got a used ClearVue Cyclone and in the final stages of restoring it. I hope to have it working in the next two weeks.
Also at the same time, I will be building a Thien for my friend's workshop.

Quote from: Lance on April 24, 2023, 09:08:28 AM

Quote from: dwall174 on April 21, 2023, 02:20:31 PM
I guess I'm going to have to figure this one out myself!

I would guess that no one here has tried that exact set-up, so nobody wanted to give you an answer.

I just found an old post here on the same topic after doing another search. It's about 4 years old, but I brought it back up to see if I get any response.

Doug

I realize that this post is almost 4 years old, but I'm looking to try to build something like this for my newly acquired DeWalt 735 planer.

If the original poster is still watching the forums, how's it been working & have you done any upgrades?

Here's a link to my post.  https://www.jpthien.com/smf/index.php?topic=1444.msg8601#new

Doug

Quote from: dwall174 on April 21, 2023, 02:20:31 PM
I guess I'm going to have to figure this one out myself!

I would guess that no one here has tried that exact set-up, so nobody wanted to give you an answer.  Some of the questions I have had, have been the same way. I was asking about somethings that no one has tried.  So, I am working on trying it myself...

The best thing I can say is give it a try and post up your results.  It may help the next person that is hoping for answers.

Lance

Well 50 views over 3-weeks & no replies ???
I guess I'm going to have to figure this one out myself!

Doug