Hand Tools

Subject:
Japanese saws (FWIW)

Wiley Horne--So. Calif.
Hi all,

Dunno why it should be, but every Japanese rip saw I have, and that would be a bunch, has negative rake. This is true from a 3ppi, 420mm Mitsukawa to a 32ppi, 180mm Yataiki rip dozuki. Includes ryobas, tatebikis, and panel saws--everything. My favorite dovetail saw is a 240mm Yataiki, which is filed like a 210mm with 22ppi (21tpi), and at least 5 degrees negative rake.

Of course, with all these saws, as has been said on these pages many times before, you hold the saw firmly but lightly, like eating a peach, and let the saw do the cutting. No crowding the cut.

For dozukis, the Japanese saw tends to be thinner than western equivalents--rip or cross dozukis 0.012" plus very little set, and tends to have more teeth. Perhaps those factors allow negative rake. But that doesn't explain why the larger and coarser-toothed saw also have negative rake. Seems a mystery.

We mostly talk about planes here, but saws are very complex creatures, with many different filings used.

Wiley

Wiley

© 1998 - 2017 by Ellis Walentine. All rights reserved.
No parts of this web site may be reproduced in any form or by
any means without the written permission of the publisher.

WOODCENTRAL, P.O. BOX 493, SPRINGTOWN, PA 18081