Shecky wrote:
| Happy Holidays
|
| I could use the group's help. I've been experimenting with finger
| (box) joints using my tablesaw and Freud stacked dado blades.
| I've been using a 1/4" stack to dado 1/4" wide, 3/8" high finger
| joints through 1/4" plywood. Every cut burns the wood and lets
| off some pretty serious smoke and stink. I've tried slow feed and
| moderate feed to control the quality of the dado cut and not
| overwhelm the motor. Tips of the dado blades getting a rusty color
| to them as well. Its not rust as I baby them and keep them
| safely stored when not in use.
|
| Is plywood susceptible to burning? Am I killing my saw and blades?
| Any advice to cut these joints correctly is greatly appreciated
|
| Here are my tool specs:
| TS Craftsman 10" (model 315-228390)
| 1-1/2 HP induction motor developing (?) up to 3HP
| 3600 RPM
| 13 amp
|
| Freud 8" , 12 teeth, stacked dado blade (SD 208)

[1] Make sure cutters are sharp.

[2] Feed faster - not slower - to avoid burning. If necessary, use a
sacrificial board behind the stock you're cutting to minimize/prevent
tearout.

--
Morris Dovey
DeSoto Solar
DeSoto, Iowa USA
http://www.iedu.com/DeSoto