your opinions regarding feed table heights thickness planers.


Hello Group, I'm setting up a Delta 15 planer (with the fixed table) and I was given two opinions about feed table height. The first is to make both infeed and outfeed table rollers on the same plane as the bed rollers. This makes sense - and I am striving to accomplish this - but it is difficult to get the far and near rollers set when doing it by myself. The second opinion was to angle the feed tables so only the near rollers are in the same plane. The outer roller on the infeed table is slightly lower than bed height, and the outer roller of the outfeed table is slightly higher than bed height. Any comments? Thanks in advance, Marc
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marc rosen wrote:

You want the outer roller on the infeed (and outfeed) table to be slightly higher, not lower, than the plane of the bed. Otherwise the board will jam up into the spinning cutterhead and cause snipe.
JP
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I am going through this myself. I have that planer and finding that the bed rollers present a bit different situation that portables with flat beds. Normally you want the far ends of the infeed and outfeed to be slightly higher than the planer bed. That however creates a situation where the leading edge of the board will be too low as it approaches the cutter head and the cutter will not cut as deeply on the end of the board as it will when the end of the board is lifted by the far bed roller. So basically you get snipe but it shows up after the end of the board. Same situation as the board comes out. I have not ironed it out yet but IIRC the manual indicates to go dead flat level all the way through. I tend to agree.
It is, hard to adjust the tables and 2 people make it easier but this is not the best designed infeed and outfeed adjustment that I have ever seen. The adjustments tend to change as you tighten the bolts and tend to go out of adjustment pretty easily. I have never really cared too much about snipe as I normally send my wood into the planer as I bought it. Typically the ends of the boards have splits where the snipe is anyway so I usually square up, remove splits, and snipe after planeing.
Other than that I simply use the infeed and outfeed to assist me in holding the boards as I feed em in and take em out. I am more concerned with the results between the snipe areas.
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