Wikus-sägenfabrik Wilhelm H. Kullmann Gmbh & Co. Kg

Wikus-saegenfabrik Wilhelm H. Kullmann Gmbh & Co. Kg

Wilhelm H. Kullman Wikus Sagenfabrik

W1kus-sagenfabrik Wilhelm H. Kullmann Gmbh & Co. Kg

Jörg H Kullmann

Manfred Fluhrer

Patrick Gleim

Werner Kwanka

Dirk Heimel

Martin Hentschel

A machining tool () includes a tooth () having a tooth tip () being covered with cutting particles () to form a plurality of geometrically undefined cutting portions. The tooth tip () is designed to be asymmetrical. The machining tool () thus is a 2-in-1 machining tool including differently designed sides of the tooth tips () which are suitable for efficiently machining different materials.

Machining tool having asymmetrical teeth having cutting particles

A machining tool () includes a band-shaped tooth supporting body () and a plurality of teeth () each having a tooth tip () being covered with cutting particles () to form a plurality of geometrically undefined cutting portions. The tooth tip () is furthermore covered with buffer particles () of a different material than the cutting particles (). The buffer particles () are located between the cutting particles ().

Band-shaped machining tool having buffer particles

A saw blade () serves for sawing hollow profiles and form profiles. The saw blade () is especially designed as saw band, and it includes a base body () and a plurality of teeth (). The teeth () are formed by protrusions () and inserts (). The teeth () are arranged in a group being repeated along the saw blade (). The group includes at least three unset chamfered teeth (). The group includes a first tooth (C) having two chamfers (FC, FC) being symmetric to the longitudinal center plane () of the saw blade (), a second tooth (C) having two chamfers (FC, FC) being non-symmetric to the longitudinal center plane () and a third tooth (C) having two chamfers (FC, FC) being non-symmetric to the longitudinal center plane ().

Saw blade for sawing hollow profiles and form profiles

A saw blade comprising a basic body (8) lying in a longitudinal center plane (9) and having an edge and including along its edge a group (6) of recurring teeth (1, 2, 3, . . . ), the group (6) comprising at least one unset leading tooth (1) being provided with a phase and having an effective cutting-edge section (10) and a preferably even number of trailing teeth (2, 3, . . . ). The leading tooth (1) has a larger height than all of the trailing teeth (2, 3, . . . ). All of the trailing teeth (2, 3, . . . ) have different plastic deformations at their tips (28) by displacements of material in the running direction (24) of the saw blade. Each of the trailing teeth (2, 3, . . . ) have both a positive enlarged rake angle (gamma.sub.2, gamma.sub.3, . . . ) and a reduced height (h.sub.2, h.sub.3, . . . ) with respect to the leading tooth (1) produced by different plastic deformations.

Saw blade and method for its production

A saw blade having a basic body (1) and unset teeth (2.sub.1, 2.sub.2, etc.) having recurring cycles of teeth, each cycle having at least one group of teeth with at least three teeth, and where tooth height decreases from tooth to tooth while tooth width simultaneously increases. The teeth (2.sub.1, 2.sub.2, etc.) are formed symmetrically with respect to a longitudinal center plane (8) extending through the basic body (1). The effective cutting edges or cutting-edge sections (6.sub.1, 12.sub.1, 14.sub.2, 12.sub.2, etc.) of each tooth (2.sub.1, 2.sub.2, etc.) are formed by a jutting-out or protruding cutting edge, the inner section (6.sub.1, 6.sub.2, etc.) of which runs approximately perpendicularly with respect to the longitudinal center plane (8) and which is adjoined externally by a phase (7.sub.1, 7.sub.2, etc.) inclined toward the basic body (1) The widest tooth (2) in the group of teeth has an angle greater than 90 degrees formed between phase (7 ) and flank (10).

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Spangenberg, Germany

Jörg H Kullmann