A machine tool for chip removal processing has an upright, a bench and a machining group. The upright has a prevailing extension along a vertical axis orthogonal to a base plane, a front side lying on a front upright plane and a rear side lying on a rear upright plane. The front and rear sides are connected to each other by a right side and a left side. The bench has a prevailing extension along a longitudinal axis and is suitable to be fixed to the base plane. The machining group, connected to the upright to be translatable along the vertical axis and an advancement axis, is suitable to perform chip removal operations on a workpiece. The upright has a front pair of vertical translation means and a rear pair of vertical translation means that adjust vertical translation of the machining group and keep the machining group orthogonal to the vertical axis.
B23Q 1/62 - Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only two sliding pairs only with perpendicular axes, e.g. cross-slides
B23Q 5/40 - Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
B23Q 11/00 - Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling workSafety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
2.
MACHINE TOOL FOR MACHINING SEMI-FINISHED ALUMINUM OR TITANIUM ALLOY PRODUCTS
A machine tool for machining semi-finished aluminum or titanium alloy products has a supporting structure, an upright, a carriage and a working head. The supporting structure has a bench and a rear support rigidly connected to each other. The bench extends along a longitudinal direction, while the rear support extends both along the longitudinal direction and along a vertical direction. The supporting structure is provided with upright translation elements. The upright is connected to the supporting structure by the upright translation elements so as to translate along the longitudinal direction and is provided with carriage translation elements. The carriage is connected to the upright by the carriage translation elements so as to be translatable along the vertical direction. The machine tool has a first pair of carriage moving ratio motors and a second pair of carriage moving ratio motors positioned aboard the upright and engaging the carriage translation elements.
B23Q 1/01 - Frames, beds, pillars or like membersArrangement of ways
B23Q 1/62 - Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only two sliding pairs only with perpendicular axes, e.g. cross-slides
B23Q 5/22 - Feeding members carrying tools or work
3.
MACHINE TOOL FOR MACHINING SEMI-FINISHED ALUMINIUM ALLOY OR TITANIUM ALLOY PRODUCTS
The present invention relates to a machine tool (1) for machining semi-finished aluminum or titanium alloy products and comprises a supporting structure (2), an upright (4), a carriage (6) and a working head (7). The supporting structure (2) in turn comprises a bench (20) and a rear support (22) rigidly connected to each other. The bench (20) extends along a longitudinal direction (X), while the rear support (22) extends both along the longitudinal direction (X) and along a vertical direction (Y). The supporting structure (2) is also provided with upright translation means (3). The upright (4) is connected to the supporting structure (2) by means of the upright translation means (3), so as to translate along the longitudinal direction (X) and is further provided with carriage translation means (5). The carriage (6) is connected to the upright (4) by means of the carriage translation means (5) so as to be translatable along the vertical direction (Y). Finally, the working head (7) is engaged with the carriage (6). The machine tool (1) further comprises four pairs of gearmotors (81, 82, 83, 84) which are positioned aboard the upright (4) and engage with the upright translation means (3).
B23Q 5/38 - Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
B23Q 1/62 - Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only two sliding pairs only with perpendicular axes, e.g. cross-slides
The present invention relates to a machine tool (1) for chip removal processing comprising an upright (2), a bench (3) and a machining group ( 4 ). The upright (2) has a prevailing extension along a vertical axis (Y) orthogonal to a base plane (B) for supporting the machine. The upright (2) has a front side (20) lying on a front upright plane (Em) and a rear side (22) lying on a rear upright plane (Pm). Such front side (20) and rear side (22) are connected to each other by a right side (24) and a left side (26). The bench (3) has a prevailing extension along a longitudinal axis (X) and is suitable to be fixed to the base plane (B). The machining group (4) is connected to the upright in such a way as to be translatable along the vertical axis (Y) and along an advancement axis (Z) that is orthogonal to both the vertical axis (Y) and the longitudinal axis (X). Such machining group is suitable to perform the chip removal operations on a workpiece. The upright (2) comprises a front pair of vertical translation means (51, 53) and a rear pair of vertical translation means (52, 54) suitable to engage the machining group (4). The front pair of vertical translation means (51, 53) and the rear pair of vertical translation means (52, 54) adjust the vertical translation of machining group (4) and keep the machining group orthogonal to the vertical axis (Y).
B23Q 1/62 - Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only two sliding pairs only with perpendicular axes, e.g. cross-slides
B23Q 5/40 - Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
B23Q 11/00 - Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling workSafety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
A table group for a machine tool is provided. The table group has a support assembly, a table, a ring gear provided with a lower face and an upper face, integral with the table, a plurality of main hydrostatic skids, a detection device for detecting a lifting action generated by the main hydrostatic skids, a plurality of dogs and an electronic management device operatively connected to the main hydrostatic skids, the dogs and the detection device, configured to control the dogs to generate a contrasting action. The lifting action is equal to a predetermined constant nominal load greater than the weight of a semi-finished product and either smaller than or equal to a maximum load which can be borne by the main hydrostatic skids.
B23Q 1/38 - Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable membersMeans for preventing relative movement of such members using fluid bearings or fluid cushion supports
6.
MACHINE TOOL FOR MACHINING SEMI-FINISHED ALUMINIUM ALLOY OR TITANIUM ALLOY PRODUCTS
The present invention relates to a machine tool (1) for machining semi-finished aluminum or titanium alloy products and comprises a supporting structure (2), an upright (4), a carriage (6) and a working head (7). The supporting structure (2) in turn comprises a bench (20) and a rear support (22) rigidly connected to each other. The bench (20) extends along a longitudinal direction (X), while the rear support (22) extends both along the longitudinal direction (X) and along a vertical direction (Y). The supporting structure (2) is also provided with upright translation means (3). The upright (4) is connected to the supporting structure (2) by means of the upright translation means (3), so as to translate along the longitudinal direction (X) and is further provided with carriage translation means (5). The carriage (6) is connected to the upright (4) by means of the carriage translation means (5) so as to be translatable along the vertical direction (Y). Finally, the working head (7) is engaged with the carriage (6). The machine tool (1) further comprises four pairs of gearmotors (81, 82, 83, 84) which are positioned aboard the upright (4) and engage with the upright translation means (3).
B23Q 1/62 - Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only two sliding pairs only with perpendicular axes, e.g. cross-slides
B23Q 5/38 - Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
7.
MACHINE TOOL FOR MACHINING SEMI-FINISHED ALUMINUM OR TITANIUM ALLOY PRODUCTS
Machine tool (1) for machining semi-finished aluminum or titanium alloy products and comprises a supporting structure (2), an upright (4), a carriage (6) and a working head (7). The supporting structure in turn comprises a bench (20) and a rear support (22) rigidly connected to each other. The bench extends along a longitudinal direction (X), while the rear support extends both along the longitudinal direction and along a vertical direction (Y). The supporting structure is also provided with upright translation means (3). The upright is connected to the supporting structure by means of the upright translation means, so as to translate along the longitudinal direction and is further provided with carriage translation means (5). The carriage is connected to the upright by means of the carriage translation means so as to be translatable along the vertical direction. The machine tool further comprises a first pair of carriage moving ratio motors (61, 62) and a second pair of carriage moving ratio motors (63, 64) which are positioned aboard the upright and engage the carriage translation means.
B23Q 1/01 - Frames, beds, pillars or like membersArrangement of ways
B23Q 1/62 - Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only two sliding pairs only with perpendicular axes, e.g. cross-slides
B23Q 5/22 - Feeding members carrying tools or work
8.
MOVABLE TABLE ASSEMBLY FOR A MACHINE TOOL OF LARGE DIMENSIONS
A table assembly (14) for a machine tool (1), for example a milling machine or a gantry boring machine, comprises a slide (16), a rotatable table (18) and table rotation means placed on board the slide (16) and adapted to be driven to rotate the table (16) about the vertical axis (C). The table rotation means comprise at least one rotation assembly (30) engaged with a ring gear (32) of the table (18) and comprising a torque motor (34) having a vertical motor axis (36) and a reduction gear (38) having an inlet, engaged with the torque motor (34), and an outlet pinion (40), engaged with the ring gear (32) of the table (18), coaxial to the motor axis (36).
A table group (10) for a machine tool (1) comprises a support assembly (12), a rotational table (14), a ring gear (20) provided with an inner face (20') and an upper face (20''), integral with the table (14), a plurality of main hydrostatic skids (40), detection means adapted to detect the lifting action (F1) generated by the main skids (40), a plurality of dogs (60) and electronic management means operatively connected to the main skids (40), the dogs (60) and the detection means, configured to control the dogs (60) to generate a contrasting action (F2) such that the lifting action (F1) is equal to a predetermined constant nominal load (P*), which is greater than the weight of the semi-finished product and is either smaller than or equal to a maximum load (Pmax) which can be borne by the main skids (40).
B23Q 1/38 - Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable membersMeans for preventing relative movement of such members using fluid bearings or fluid cushion supports
F16C 32/06 - Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
A gantry milling machine (10) is provided with a pair of uprights (14, 16) and for each upright (14, 16), it is provided with a worm screw (32) and a screw (34), an upper electric motor (40), engaged with the screw (34), directly or indirectly, at the upper end (36), and a lower electric motor (42), engaged with the screw (34), directly or indirectly, at the lower end (38).
B23Q 1/01 - Frames, beds, pillars or like membersArrangement of ways
B23Q 5/36 - Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission in which a servomotor forms an essential element
B23Q 5/40 - Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
B23Q 11/00 - Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling workSafety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
patents
