Bei einer zum Konturenschneiden vorgesehenen Fräsmaschine (10) ist die Rohmaterialplatte (11), aus welcher das Werkstück aus­geschnitten wird, auf in regelmäßiger Verteilung angeord­neten Stützen gleicher Höhe innerhalb der Grundfläche eines Rahmens (21) abstützbar, der, auf den Maschinentisch (17) aufgesetzt, die vertikalen Randbegrenzungen einer Unterdruckkammer (19) bildet, welche an ihrer dem Werkzeug zugewandten Seite mittels einer Abdeckfolie (36), die über die Rohmaterialplatte gelegt ist und an den Außenflächen der Rahmenzargen (22, 23, 24, 26) in Anlage gehalten ist, dichtend abgeschlossen ist und mittels eines Sauggebläses auf einen Unterdruck von mindestens 0,3 bar evakuierbar ist. Als Fräswerkzeug (14) ist ein zur Drehrichtung gegensinnig spiral-genuteter Fräser vorgesehen, der im Betrieb die Frässpäne in die Unter­druckkammer hineindrängt. Als Abdeckfolie, die als Ver­schleißteil mit durchschnitten wird, kann Papier oder eine billige Kunststoff-Folie benutzt werden.

The present invention provides a processing system and method for a work piece surface in the mechanical technical field. The processing system for work piece surface of the invention is disposed on the side of the processing center which machine the work piece. The processing system comprises two milling cutter carving machines symmetrically located on both sides of the processing center and an article positioning shelf located between the said two milling cutter carving machines to place the work piece. A first manipulator is provided between the processing center and the article positioning shelf and between the two milling cutter carving machines. The first manipulator transfer the work piece among the processing center, the article positioning shelf and two milling cutter carving machines. A group of polishing units is located on the side of the article positioning shelf. A second manipulator is provided in the polishing unit which transfers the work piece between the article positioning shelf and the polishing unit. The processing system and method for work piece surface has advantages including a short polishing period, a high polishing speed, high polishing efficiency and a low work piece reprocessing rate.

There are provided a cutting apparatus and a cutting method. A cutting device (1) comprises: a guiderail (18) formed into a ring shape along the circumference around the central axis (10c) of a cutting drive unit (10); a laser irradiation unit (22) movable along the guiderail, and irradiates a laser at a predetermined inclination angle onto an object (30) to be cut; a preset cutting position derivation unit for deriving a preset cutting position that corresponds to a preset cutting portion, which is the portion to be cut by a cutting tool (10b) after a predetermined amount of time; a stopping position derivation unit for deriving the stopping position of the laser irradiation unit (22) on the guiderail (18) with the preset cutting position that was derived as a target; and a laser irradiation drive unit (24) for moving the laser irradiation unit (22) to the derived stopping position.

There is provided a method of three-dimensionally cutting a mold including the steps, in sequence, of (a) rotating a single ball end mill at a rate in the range of 50,000 rpm to 200,000 rpm, the ball end mill being made of material having high thermal resistance, (b) driving the ball end mill in horizontal, reciprocating movement at a rate in the range of 10 m/min to 100 m/min, and driving the ball end mill in transverse movement at a predetermined depth of cut in a direction perpendicular to a direction in which the ball end mill is reciprocated, at opposite ends of the reciprocating movement to cut a workpiece in a surface thereof at a common depth of cut, and (c) vertically feeding the ball end mill at a predetermined depth of cut. This method makes it possible to significantly increase a rotation speed and a feeding speed of a cutting tool to thereby remarkably reduce time necessary for cutting a mold.

The dynamically clamped planing tool has a series of cutting knives (3), having, each one, a longitudinal tooth (5) engaging with a corresponding recess (6) in a lateral wall (2a) of each longitudinal seat (2) on a shaft (1) and designed to allow a cutting knife (3) to be positioned inside the same seat, and corresponding wedges (4) having, each one, a tapered profile with an angle (Ω) less than the opening angle (Ω1) of the seat (2) so as to lock the cutting knife (3), in a working position, against the lateral wall (2a) , under the action of a force (F), directed towards the outside of the shaft (1), due to the rotation of the latter. The seats (2) furthermore are made using a method which envisages three different passes with two different tools (9 and 10), the first of which (9) is used in the first two passes in which it is off-centre with respect to the (x) axis of the shaft (1) and it also makes a recess (8) which reproduces the external profile of the cutting knife (3) and respectively in which it is at an angle (β) with respect to the (x) axis of the shaft, the second tool (10) makes the third pass and is at an angle (α) with respect to the (x) axis of the shaft (1) and makes the recess (6) of the lateral wall (2a).

Bei einer zum Konturenschneiden vorgesehenen Fräsmaschine (10) ist die Rohmaterialplatte (11), aus welcher das Werkstück aus­geschnitten wird, auf in regelmäßiger Verteilung angeord­neten Stützen gleicher Höhe innerhalb der Grundfläche eines Rahmens (21) abstützbar, der, auf den Maschinentisch (17) aufgesetzt, die vertikalen Randbegrenzungen einer Unterdruckkammer (19) bildet, welche an ihrer dem Werkzeug zugewandten Seite mittels einer Abdeckfolie (36), die über die Rohmaterialplatte gelegt ist und an den Außenflächen der Rahmenzargen (22, 23, 24, 26) in Anlage gehalten ist, dichtend abgeschlossen ist und mittels eines Sauggebläses auf einen Unterdruck von mindestens 0,3 bar evakuierbar ist. Als Fräswerkzeug (14) ist ein zur Drehrichtung gegensinnig spiral-genuteter Fräser vorgesehen, der im Betrieb die Frässpäne in die Unter­druckkammer hineindrängt. Als Abdeckfolie, die als Ver­schleißteil mit durchschnitten wird, kann Papier oder eine billige Kunststoff-Folie benutzt werden.