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Grenzebach Maschinenbau Gmbh patents


Recent patent applications related to Grenzebach Maschinenbau Gmbh. Grenzebach Maschinenbau Gmbh is listed as an Agent/Assignee. Note: Grenzebach Maschinenbau Gmbh may have other listings under different names/spellings. We're not affiliated with Grenzebach Maschinenbau Gmbh, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "G" | Grenzebach Maschinenbau Gmbh-related inventors


Device and method for homogeneously welding two-dimensionally bent structures by friction stir welding

The invention relates to a device and to a method for homogeneously welding two-dimensionally bent structures by friction stir welding.. . ... Grenzebach Maschinenbau Gmbh

Method and device for detecting the mechanical forces at the welding pin tip during friction stir welding

The invention relates to a device and a method for detecting the mechanical forces at the welding pin tip during friction stir welding, having the following features: a) a strip-shaped sensor (3) at a long side of a tool cup (9) holding a welding pin pen (12) by way of a pin shaft (13) using a tool receiving cone (14), and also holding a welding shoe (11); b) a conical narrowed portion (20) in the further region of the tool-receiving cone (14), which serves to receive a sensor (18) for detecting the axial force, the torque and the bending moment at the welding pin pen (12); c) a further narrowed portion in the front region of the tool-receiving cone (14), having three sensors (24) distributed across the circumferences at a distance of 120 degrees; d) a sensor signal amplifier having a rotor antenna (19) for receiving, amplifying and forwarding all detected measurement values, said measurement values being forwarded by a static antenna (17) to a machine control; and e) an inductive power supply system.. . ... Grenzebach Maschinenbau Gmbh

Apparatus and method for mobile friction stir welding of two tubular structures

Disclosed are an apparatus and a method for the mobile friction stir welding of two tubular structures as joining partners, said apparatus having the following features: a) an annular main body (2) which can be unfolded using a hinge (4) and can be fixedly connected for operation opposite the hinge (4) using a locking mechanism (1); b) a plurality of lifting elements (3) which are distributed along the circumference of the main body (2), can be moved radially by a drive unit (5), and each include a retaining jaw (15) for securing the tubular structures, one retaining jaw (15) being mounted so as to be horizontally movable by a drive unit (6); c) a ring gear (21) which is connected to the main body (2) and on which a spindle head (11) can be moved by a drive unit (20) in an orbital movement about the tubular structures in order for a weld seam to be applied; d) a welding shoe (27) having a sliding surface (27) which is adapted to the curvature of the surfaces of the joining partners.. . ... Grenzebach Maschinenbau Gmbh

Method and device for quick and reliable tool changing in the process of friction stir welding

Method and device for quick and reliable tool changing in the process of friction stir welding, comprising the following features: a) a robot (1) with a robot pivoting head (2) and a friction welding head (3) with a welding shoe (13), wherein the robot (1) can select a friction welding head (2) from a tool magazine (4), b) a device for sensing the mechanical forces at the welding pin tip (14) of each welding shoe (13) of a friction welding head (2), wherein a sensor (16) is attached to the frustoconical part of the tool (11), wherein a sensor (21) is provided, and wherein furthermore a sensor (25) is provided in the flared pin receptacle (26) and a piezoelectric force-measuring sensor (24) is provided in the longitudinal axis of the pin shaft (27) for measuring the axial force acting on the welding pin tip, c) an rfdi code provided on the pin shaft (27) of each welding shoe (13) for identification, d) a changing skid (28) provided on each welding shoe (13).. . ... Grenzebach Maschinenbau Gmbh

Method and apparatus for saving energy while increasing the conveying speed in vacuum coating plants

Disclosed are an apparatus and a method for saving energy while increasing the conveying speed in vacuum coating plants consisting of a series of sputtering segments (3) and gas separation segments (2) along with a continuous substrate plane (1). Said apparatus has the following features: a) each of the sputtering segments (3) consists of a tank tub (12) inside which a conveying device (11) is located; the flange (6) of the tank is positioned in the immediate vicinity above the substrate plane (1); a cathode bearing block (5), along with targets (8) and gas inlet ducts (10), is located in the tank cover (4) in the immediate vicinity of the substrate together with splash guards (9); b) in the region of the substrate plane (1), the gas separation segments (2) are provided with a tunnel cover (14) that extends along the entire length of the gas separation segment (2); c) sputtering segments (3) and/or gas separation segments (2) are evacuated using one or more vacuum pumps (15), and the air pumped in said process is trapped in an air reservoir (25) having an adjustable volume.. ... Grenzebach Maschinenbau Gmbh

Device and method for measuring distortion defects in a manufactured float glass strip

The invention relates to a method and a device for the rapid and reliable measuring of distortion defects in a manufactured float glass strip, having the following features: a) a linear inset led light source (5) sweeping the breadth of the glass strip (4) to be examined, said light source having leds that are tightly packed one next to the other below a glass strip (4) to be examined, b) a linear cylindrical lens 8) which is arranged in parallel to the entire length of the inset led light source (5) and the distance of which to the inset led light source (5) is continuously variable, c) a light source (2) arranged above the glass strip (4), d) an array of at least 4 ccd cameras arranged above the glass strip (4), and a two-stage parallel signal evaluation unit.. . ... Grenzebach Maschinenbau Gmbh

Method and apparatus for increasing the quality of the weld seam in friction stir welding

Apparatus and method for increasing the quality of the weld seam in friction stir welding, with the following features: a) a receiving plate (1) with a drive head (2), the latter having a receiving flange (19) for receiving a holding bell (3) connected by means of a union nut (7) to a welding shoe (4) with a welding pin tip (5), b) the welding shoe (4) has a circular basic shape, on which there is a transverse web running over the cross section and rising at a right angle to said basic shape, said transverse web having a width of approximately 1/4 to 1/5 of the diameter of the basic shape and having an arc-shaped shoe sliding surface and shoe smoothing surface (9), c) the welding pin tip (5) has substantially a surface structure in the form of a tapering thread, this thread-like structure not being arranged in a purely circular manner.. . ... Grenzebach Maschinenbau Gmbh








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