Woodworking – Process – Including monitoring of operation
Patent
1988-06-13
1989-11-07
Bray, W. Donald
Woodworking
Process
Including monitoring of operation
29 33P, 144 3R, 144363, 144134R, 409158, 409191, 409 79, B27B 100, B27M 300
Patent
active
048785245
ABSTRACT:
A woodworking machine has a series of stations spaced along a conveyor having a clamp support for holding flat wood parts and passing the edges through the stations which include cope stations as well as others. The coping stations have a tool unit with a stack of tools mounted on a common spindle. The tools in each stack at the several stations are interrelated such that the cuts of the individual tools can be combined to form different final profiles in a wood part moving through the several stations. The particular cuts in the profile line are analyzed and interrelated to define basic cuts which can be combined to form the final profiles. One tool of each tool stack provides a particular cut, and by precise positioning of the individual tools, the combination of sequential cuts provide the final profile. Each tool may form a complete cut, may overlap a previous cut to form a continuation of such previous cut or may form a cut which includes only a portion of its cutting face. Computer aided design technology may be used. The machine significantly reduces the tooling costs by significantly reducing the number of tools and the complexity of the tools required for producing a product profile line. Each tool includes a support on the spindle with a cutting tip, many of which are basic presently used tips having flat edges and the like. The tool position control includes an absolute positioning system including a computer in closed loop control program. The control unit establishes precise orientation to form a continuous profile from different tools.
REFERENCES:
patent: 2577766 (1951-12-01), Johnson et al.
patent: 3029710 (1962-04-01), Fotsch et al.
patent: 3289714 (1966-12-01), Hammer
patent: 4471822 (1984-09-01), Griganavicius
Berglund David M.
Claerbaut Kevin R.
Grover Kenneth L.
Rosenthal Bruce C.
Zill Kevin L.
Bray W. Donald
Kohler General Corp.
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