Replies

1. 
   hammer1 | Aug 02, 2011 01:54pm | #1

   What often happens with a power planer is that there isn't adequate dust and chip extraction. Chips that don't go up the chute lay on the surface on the board between the cutterhead and the outfeed roller and get pressed into the surface by the roller. Chips may also stick to the rollers, top and bottom or pieces get wedged in the openings around the rollers. If you are planing a 1x8"x10' piece of hard maple, the dust collector, particularly if using a 4" duct , may not keep up. I just did some maple where a few boards yeilded long straw like cuttings that jammed my duct. Another place to look for jams is at the dust collector where there is a grill just before the impellor. Too long a distance and/or too many elbows on the duct line can also drop performance. Make sure you have the maximum flow possible to the planer, it makes the most debris.

   I know right away when my collector isn't keeping up since there will be chips exiting the planer along with the board. You should have very little debris coming out of the planer and just to the sides of the stock, not laying on top. If you don't have a collector that you can try to improve, you may want to think about getting one. Just the rotation of the cutterhead may not create enough push to prevent chips from getting between that and the outfeed roller. Sure saves a lot of mess, too.

   Someone that owns your brand and model may know of a particular issue with chip ejection peculular to that machine. All the planers I have owned leave chip dents from inadequate collection.

1. 
   Willie | Aug 02, 2011 03:10pm | #2

   Thx Hammer.

   I have looked at all the previous posts on this subject from 2005 to around 2009 and some 2011 on other resources. Lots of suggestions but no one with the same machine and a positive solution that worked. So' I'm hesitant to start experimenting, as it may be time not well spent.

   I use a 2hp canister dust collector and the connection to my planer is the shortest run. I have also tried to connect directly to the planer, with no improvement. I am estimating that the planer gets around 1,200 cfm from the collector.

   My machine is the Grizzly G0453

   Things I have checked and tried so far:

   1.) Replaced the blades with a new set from Grizzly, set up carefully using their knife gauge.

   2.) Checked the chip breaker setting which is in specification.

   3.) Tried the chip deflector setting as per the manual at 1/4 inch, tried it closer and further away as well.

   Called Grizzly tech and this is what they say:

   Provided the machine is set up within specification, too much, or too little dust collection can be a cause, however there are really only two things I can change:

   a.) Experiment with the distance between the chip deflector and the blade.

   b.) Change the grind angle on the knives. I mentioned that when the machine was new, it was fine but now with a new set of Grizzly knives there is the chip indentation problem. The Tech mentioned that the original blades fitted at the factory work better than the replacement blades, even if they are blunt. They are ground 1 degree steeper angle than the replacement blades and on a cutting head that makes a big difference. He said go from 35 degrees to 34. He also mentioned that with dry hard maple, preventing chips from hanging on the blades is very difficult.

   Anyone out there made this problem go away completely?

2. 
   telefan_1964 | Jun 13, 2012 10:21pm | #3

   Chips from your Grizzly Planer

   Here is your answer: sell the grizzly or send it back. I had the same one for a year, it is complete trash, they credited me and I bought a Jet 16" open stand model, motor on top. Bought a Grizzlt 2 hp dust collector and we are in business...the problem is the design of that machine period and it's serrated exit roller leaving dents in my finished product, bad design, plain and simple.