Abstract: The invention relates to an anti-vibration plug for machining tubes and to a method for placing said plug inside a tube, wherein the plug comprises a central body (2) with arms (3) that open radially outwards intended to come into contact with the inside of the tube (1), a blocking screen (4) being arranged between the central body (2) and the arms (3), which blocks the inside of the tube (1) in the open position of the arms (3), whereas the central body (2) has an axial hole (5) wherein there is housed a piston (6) which movably acts on a peripheral part (8) which surrounds the central body (2) and generates the movement of the arms (3), the peripheral part (8) being subjected to a pushing force exerted by an elastic element (10) in the opposite direction to that in which the piston (6) pushes.

Abstract: The invention relates to a system for the automatic manufacture of wind turbine blades using die halves (2,3) wherein by applying dry fiber mats, two complementary shells are molded whereby the attachment thereof will result in the blade to be obtained, head-bearing means (5,6) being arranged with respect to the die halves (2,3), said means being susceptible to selectively having demolding agent, paint, adhesive application accessories or a machining accessory, and head-bearing means (13) having a functional assembly capable of applying the dry fiber mats in the die halves (2,3).

Abstract: The invention relates to a machine and process for grinding dies, in which the work axis (CO) of the plate (2.1) in which the die (1) to be machined is anchored is controlled at all the points of its angular movement, allowing the interpolation of the movements of this work axis (CO) with those of an axis of rotation (BO) and with those of respective axes (X and Z), such that the machines has four axes of interpolation, which allows machining dies (1) with their inner or outer diameter rounded or non-rounded and with their transition between these diameters and the side faces constant or variable by means of a single grinding process.

Abstract: The invention relates to a system for the automatic manufacture of wind turbine blades using die halves (2,3) wherein by applying dry fiber mats, two complementary shells are molded whereby the attachment thereof will result in the blade to be obtained, head-bearing means (5,6) being arranged with respect to the die halves (2,3), said means being susceptible to selectively having demolding agent, paint, adhesive application accessories or a machining accessory, and head-bearing means (13) having a functional assembly capable of applying the dry fiber mats in the die halves (2,3).

Abstract: The invention relates to a measurement device for measuring the parameters of a blade rotor and a measurement process for measuring with said device, consisting of an element (1) in which at least one high speed camera (2) and a light beam emitter (3) are arranged in opposition, said element (1) being incorporated on a mobile support (5) which allows adjusting the distance with respect to the rotor (4) object of the measurement, and the assembly being connected to a processor (8) for controlling the measurement process and for processing the data which is obtained.

Abstract: The invention relates to a machine and process for grinding dies, in which the work axis (CO) of the plate (2.1) in which the die (1) to be machined is anchored is controlled at all the points of its angular movement, allowing the interpolation of the movements of this work axis (CO) with those of an axis of rotation (BO) and with those of respective axes (X and Z), such that the machines has four axes of interpolation, which allows machining dies (1) with their inner or outer diameter rounded or non-rounded and with their transition between these diameters and the side faces constant or variable by means of a single grinding process.

Abstract: The invention relates to a method for contour grinding wide blades at high speed, according to which a wheel (1) is used the grinding contour of which has a width dimension that is less than the width of the tip of the blades to be ground, said contour being defined by a straight area followed by an arched area at one end, with the straight area of which a straight grinding is carried out to deburr the tip of the blades, whereas with the arched area the contour grinding is carried out by the interpolation of axes.

Abstract: The invention relates to a machine and process for grinding dies, in which the work axis (CO) of the plate (2.1) in which the die (1) to be machined is anchored is controlled at all the points of its angular movement, allowing the interpolation of the movements of this work axis (CO) with those of an axis of rotation (BO) and with those of respective axes (X and Z), such that the machines has four axes of interpolation, which allows machining dies (1) with their inner or outer diameter rounded or non-rounded and with their transition between these diameters and the side faces constant or variable by means of a single grinding process.

Abstract: The invention relates to a measurement device for measuring the parameters of a blade rotor and a measurement process for measuring with said device, consisting of an element (1) in which at least one high speed camera (2) and a light beam emitter (3) are arranged in opposition, said element (1) being incorporated on a mobile support (5) which allows adjusting the distance with respect to the rotor (4) object of the measurement, and the assembly being connected to a processor (8) for controlling the measurement process and for processing the data which is obtained.

Abstract: The invention relates to a method for contour grinding wide blades at high speed, according to which a wheel (1) is used the grinding contour of which has a width dimension that is less than the width of the tip of the blades to be ground, said contour being defined by a straight area followed by an arched area at one end, with the straight area of which a straight grinding is carried out to deburr the tip of the blades, whereas with the arched area the contour grinding is carried out by the interpolation of axes.

Abstract: The invention relates to a machine (1) for grinding the blades of a turbine rotor (2) or a compressor. The inventive machine consists of a rotary head (6) which is provided with two different grinding wheels (7, 7?) for grinding the rotors (2), three carriages (8, 9, 10) of the head which are used for the linear and angular movement thereof, a machine control unit (16) comprising a numerical control (CNC) which is used to calculate the grinding position of each grinding wheel, an optical sensor (19) which is used to measure the radius R of the blades and a device (12, 13) for the individual shaping of each grinding wheel which is supported on a carriage (14, 15) with means for the linear movement thereof (U, C) and which operates automatically during the grinding process without altering the position of the grinding wheel.

Abstract: Grinding machine (1) comprising a first wheelhead (4) for machining flat surfaces and a second wheelhead (10) for machining workpieces (3) such as broaches. The first wheelhead (4) is slidably mounted on a vertical column (6) and has a slide (7) on its underside. The second wheelhead (10) is rotatable about its own axis and is slidably mounted on said slide (7). When the first wheelhead (4) is in its working position, the second wheelhead (10) is placed away from the workpiece (3) on the slide (7) in its rest position (A), and, when the second wheelhead (10) is in its working position (B), said second wheelhead (10) is placed next to the workpiece (3), angularly oriented in order to carry out the helical machining.

Abstract: A machine for grinding the rotor blades (4) of an aeronautical engine is equipped with a CNC control and its header (1) is a rotatable header provided with at least two grinders (2) of different abrasive materials, wherein each of them is coupled to the header (1) for being selected and then positioned in contact with the different stage blades (4) with the cooperation of the CNC. The machine for grinding also includes a measuring unit (10) fixed to the machine bed for controlling the radius of the blade stage, slides (11, 13) to displace the header (1) in two directions (X, W), and equipment to rotate the header (1) an angle (C) about its central transverse axis (1a). The CNC has registered the values of the grinder diameters (D1, D2) and the fixed position data (R1, A, R2, B) of the respective grinder profile (14, 15) relative to the central axis (1a).