Rockwell 18" wedge bed planer.

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Forum topic by Otto1216 posted 07-05-2017 12:45 AM 920 views 0 times favorited 2 replies Add to Favorites Watch
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1 post in 1102 days

07-05-2017 12:45 AM

Hi guys, I am new to this forum! I’m trying to set up a small shop, but my issue is the simplest way to power a planer I got from my uncle. Its a Rockwell 18” 3 phase with 3hp direct drive motor on the head, then 1/3hp powering the feed rollers. This is the only 3 phase machine I have for now. The feed speed seems to work by the feed motor moving loose or tight, not motor speed. 1st questing is, does 3hp seem small for this planer? The motor is a Rockwell, and looks original. 2nd is, what is the easiest way to power this from 220v single phase, powering both feed and head motors? I have read up some on VFD and RPC converters but still not sure on the best route for double motors. If anyone can help me with this planer I would greatly appreciate it.

2 replies so far

View bigblockyeti's profile


6577 posts in 2496 days

#1 posted 07-05-2017 01:56 AM

You could run both motors from a VFD or just the main motor and switch out the feed motor for a single phase. A RPC would work well but might be overkill for a single machine but could be a good investment if you plan on getting more 3 phase machinery later on.

3 HP doesn’t seem like a lot for an 18” planer but depending on what thou plan on doing with it could be completely adequate. With sharp blades it should do well if you aren’t trying to hog off 1/4” from an 18” wide white oak slab. If it’s any consolation, the 3hp motor certainly wasn’t rated by the same folks making 6hp shop vacuums.

-- "Lack of effort will result in failure with amazing predictability" - Me

View Loren's profile


10477 posts in 4423 days

#2 posted 07-05-2017 02:14 AM

Sell it and buy something simpler.

... unless, that is, you’re looking to buy
other 3-phase machines.

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