6results about "Shaping cutters" patented technology

A replaceable-blade cutting insert 20 for corner milling cutters includes: a first surface 1 and a second surface 2; a third surface 3 and a fourth surface 4 connected to a first side edge and a second side edge thereof respectively; and a fifth surface 5 and a sixth surface 6 connected to a first edge and a second edge of the first surface and the second surface respectively. The first surface 1 is used as rake face, the third surface is used as an outer perimeter flank face, and the fifth surface is used as a forward flank face. A twisted surface 10 is disposed on a section of the third surface 3 to form a ridge line 7 that acts as a main cutting edge intersecting with the first surface 1 and interposed between the third surface 3 and the first surface. It would be preferable for the first surface 1 and the second surface 2 to be positioned with a height offset relative to each other so that at least one set of diagonal corners are projected.

The milling tool (100) has a shank portion and a head portion extending from the shank portion, an inner head surface of the head portion formed with a circumferentially extending head coolant obstruction formation (140) comprising a head ridge extending rearwardly from an adjacent head portion of the inner head surface, the adjacent head portion being located radially inwardly from the head ridge.

A whirling tool (21), in particular for cutting a thread, includes a body with cutting teeth integrally machined thereon (23; 47, 51). Inaccuracies caused by mounting cutting teeth on the tool are avoided thereby.

Cutting insert (10) for profile turning, in particular for wheel profile turning, comprising a top surface (12), a bottom surface (14) and side surfaces (16), wherein at the transition from the top surface (12) to the side surfaces (16) two cutting edges (22a, 22b) for machining a workpiece (48) and two further edges (18a, 18b) each with two ends (18a', 18a'', 18b', 18b'') are formed, wherein the two cutting edges (22a, 22b) are each formed as partial circles without interruption and have a full radius, wherein each of the two cutting edges (22a, 22b) covers an angular range of approximately 180°, so that a defined line contact results between each of the cutting edges (22a, 22b) and a workpiece (48) to be machined, which is independent of the relative position of the cutting insert (10) to the workpiece. workpiece (48) is wherein the cutting edges (22a, 22b) each extend from one end (18a', 18a'', 18b', 18b'') of one of the two edges (18a, 18b) to the opposite end (18a',18a'', 18b', 18b'') of the other of the two edges (18a, 18b), wherein the transition from the underside (14) to the side surfaces (16) is formed analogously to the transition from the top surface (12) to the side surfaces (16), so that the cutting insert (10) comprises four semicircular cutting edges (22a, 22b, 24a, 24b).

Cutting insert (100, 200, 300) with: an upper surface (110, 210, 310), a lower surface (120, 220, 320) and several side surfaces (130, 140, 150, 230, 240, 250) that connect the upper and lower surfaces (110, 210, 310, 120, 220, 320) and form an obtuse angle with the lower surface (120, 220, 320) and an acute angle with the upper surface (110, 210, 310), wherein the side surfaces (130, 140, 150, 230, 240, 250) have a first side surface (132, 142, 232, 242, 332, 342) and a second side surface (134, 144, 234', 234", 244', 244", 334, 344) which, viewed from above, form an obtuse angle with each other, wherein a main cutting edge (160, 170, 260, 270, 360, 370) is formed on a line of intersection between the first side surface (132, 142, 232, 242, 332, 342) and the upper surface (110, 210, 310), and wherein an inclined cutting edge (162, 172, 262, 272, 362, 372) only for plunge milling and a secondary cutting edge (164, 174, 264, 274, 364, 374) on a cutting line between the second side surface (134, 144, 234', 234", 244', 244", 334, 344) and the upper surface (110, 210, 310) are formed, characterized in that an obtuse angle formed by the second face (134, 144, 234', 234", 244', 244", 334, 344) with the lower face (120, 220, 320) is greater than the angle formed by the first face (132, 142, 232, 242, 332, 342) with the lower face (120, 220, 320), and the upper and lower surfaces (110, 120, 210, 220) are triangular in shape.

A hand-held power tool includes a machine housing, in which an electric drive motor is arranged that is paired with an output shaft for rotatably driving an insert tool, at least one battery pack, and a support device for guiding the machine housing on a workpiece. The support device has a support section, which has a foot plate for contacting the workpiece that includes a passage for the insert tool. The battery pack is arranged in a first machine section, the electric drive motor is arranged in a second machine section, and a handle for a user is arranged in a third machine section, at least in some sections. The three machine sections are arranged next to one another along a transverse axis, which is aligned at an angle to the output shaft of the drive motor.