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From: Bruce Lehmann
Categories: Circular Saws
Date: 02 Dec 1999
Remote Name: 188.8.131.52
A few thoughts about heat tensioning...
Brazing carbide tips will put tension a thin saw. However, I doubt the tension is very uniform around the saw.
One of the other postings mentions using a "crawler" for heat tensioning bands. I visited a saw shop today that has a separate machine for annealing Stellite tips. It has a torch on each side of the tooth, and an index finger on a timer. You would need a constant rotation speed for heat tensioning, instead of the indexer, but the basic machine already exists. Just move the torches a little below the gullet line.
I don't think you will want be adjust the torch flow unless the saw is already turning. Otherwise, a the tension will not be even. You probably want to pivot the torches out of the way when you're lighting them and making the initial adjustments. When the flame is set right, and the blade is turning, just let the torches drop into place.
Date: 06 Mar 2000
Remote Name: 184.108.40.206
I'VE SEEN JONSEREDS (CHAINSAW) BANDSAW SAWMILLS AT WORK AND THEY ARE GREAT !