Replies

1. 
   SgianDubh | Mar 18, 2006 01:24am | #1

   i'm guessing that you might  mean a multi-head profiling machine that can take up to 7 or 10 cutter profiles in the various heads?

   In the set up you describe the first head flattens and trues the first wide surface which is followed by the second head making the opposite face parallell with the first cut face. I did say parallel, and not flat or true-- depends on how well the machine is set up.

   Neither have anything to do with the narrow edges of a plank that might be used to make up a wider panel such as a table top.

   You'll need to straighten the edges by hand on a machine jointer to create a straight edge. It's that or you will need to mount cutters in some of the other heads that can be used on the machine--- assuming of course it is a multi-milling tool. Slainte.

   Richard Jones Furniture

1. 
   Adrian | Mar 18, 2006 03:09pm | #3

   I think he really means a double sided planer....pretty common industrial tool in North America, don't know if they are used in Europe.

   I see a fair number of double-siders.....most are used ahead of multi-head moulders like Sgian is describing in flooring or moulding operations. The moulder can four-side rough lumber in theory....in practise, I see some of the furniture/kitchen plants doing this, but like I said the moulding/flooring people very quickly tend to add the double-sider before the moulder. They are not looking for a finished product from it in most cases......it is to take some of the load off the moulder, and get the tolerances for the moulder blank into the range that moulder can deal with. The product from a double-sider is not bad, but not as good as you can do with a jointer and planer......but it is vastly more productive than a jointer and planer.

   No, you don't need to joint with a double-sider, but you also don't get a perfectly flat board out of the other end.

    

   Cabinetmaker/college woodworking instructor. Cape Breton, Nova Scotia.

   Edited 3/18/2006 8:10 am ET by Adrian

2. 
   citrouille | Mar 18, 2006 03:00am | #2

   Oliver makes a "straitoplaner" which is basically a jointer (bottom cutters) and a planer (top). The board is held against the bottom cutters by a series of cups that conform with the shape of it without flattening it. The top cutters plane it to the desired thickness.
   With this type of machine the board comes out flat. (unless you send in a very weird piece of wood).

   C.