Need advice on shaper head purchase
A comparison of different types of shaper heads. June 14, 2000
Question
I am interested in purchasing a shaper head to hold custom-ground knives. I was looking at two styles of heads.
One is a solid cylindrical head that holds corrugated knives. The second type has an integral bearing that holds lock-edge knives. If it makes any difference, 99 percent of my moulding work is straight work. I almost never do curved work.
Forum Responses
I would advise you to look very closely at the corrugated-style tool. It is safer and there are many companies that can offer you ground-to-pattern knives for that type of head.
For the corrugated type heads I would look at DML, WKW or North American. They all make good quality shaper heads.
Dave Rankin, forum moderator
The comments below were added after this Forum discussion was archived as a Knowledge Base article (add your comment).
Comment from contributor A:
CGG Schmidt has corrugated back heads with only two knives: reduces grinding time for short runs or hand grinding. I have no experience with hand grinding. Corrugated back type heads have restrictions on knife projection: 3/4" to 7/8" max as I understand it. I can't find a source for a lock edge head 2 to 2.5" dia, with bearing for raising panels.
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KnowledgeBase: Solid Wood Machining: Tooling
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