Abstract: The description relates to a joining head for fastening a fastening element by a die to the surface of a component with a gripper that can be linearly displaced in a first displacement direction RG and a magazine that can be linearly displaced in a second displacement direction RM. The magazine contains a plurality of fastening elements, with the first displacement direction RG running transversely to the second displacement direction RM.

Abstract: A tool for joining components, in particular at least two metal sheets lying flat on top of each other, with a housing, in which a primary tappet composed of a punch and a hold-down device is mounted such that it can be driven in the axial direction, a die assigned to the punch and an element feed that can be moved in the axial direction relative to the housing, via which auxiliary joining parts, especially rivets, can be fed to the primary tappet. At least one position coupled at least indirectly to the primary tappet and at least one position decoupled from the primary tappet can be assumed by the element feed, and the element feed can be moved in the coupled position together with the primary tappet in the axial direction and remains stationary relative to the housing in the decoupled position upon a movement of the primary tappet.

Abstract: The disclosure relates to a method for joining metal sheets resting on one another with a variable total thickness by a clinching device comprising at least one punch and a die arranged coaxially to the punch. The punch is controllable by an electronic control unit and movable in an axial direction relative to the die. The metal sheets are arranged in a plane between the punch and the die, and the penetration depth necessary for joining the metal sheets is adjustable. Before joining the metal sheets, the current total thickness is determined with the aid of the control unit and the penetration depth is set depending on the total thickness. The method includes: storing a number of different total thicknesses or total thickness ranges in the control unit, assigning a penetration depth to a total thickness or to a total thickness range, and calibrating the clinching device.

Abstract: A female die for a joining tool having an anvil and a shoulder which coaxially surrounds the anvil and which is configured on a main body of the anvil or by an end of a bush, and a sleeve which surrounds the main body or the bush, respectively, and which across the circumference thereof has radial slots penetrating the wall of said sleeve, in each case one sliding piece being guided in said slots so as to be movable in the radial direction (R), said sliding piece in the axial direction (A) being supported at least on the shoulder, is distinguished in that the wall of the sleeve on that end that surrounds the shoulder in the region between the slots has regions which widen in a radially inward manner and which extend in each case between two neighboring sliding pieces and in the radial direction (R) at least in part protrude beyond the shoulder.

Abstract: A tool carrier for a clinching installation, having a housing having a longitudinal axis (L), in which housing a downholder which is impinged by a first compression spring, an outer die which is impinged by a second compression spring, and an inner die which is rigidly connected to the housing are disposed coaxially within one another so as to be routed out of the housing) by way of the free ends of said downholder and dies, is distinguished in that the first compression spring is disposed so as to be coaxial within the second compression spring.

Abstract: A die for a joining tool, in particular for clinching, with an anvil (4) forming the bottom (41) of a swage (50), and with a spring sleeve (3) which surrounds the anvil (4) and has a plurality of slits (32) extending in an axial direction (A), said slits (32) permitting a radial expansion of the spring sleeve (3), is characterized in that bushing (1) which is arranged between the anvil (4) and the spring sleeve (3) and which is provided, at its free end (17), with inserts (2) which surround the anvil (4) and are made of a harder material than the bushing (1).

Abstract: A magazine for a rivet supply appliance, for accommodating a plurality of rivets disposed in series in a tubular housing, is distinguished by a substantially rectangular inner cross-section, having two opposing longitudinal walls of equal length and two opposing transverse walls, of which one is longer than the other, and an offset is realized within the cross-section by the transitions from the longer transverse wall to the longitudinal walls.

Abstract: A method and a tool arrangement for deforming at least one section of a less precisely positioned body by such an amount that the section to be deformed lies in a more precisely defined position with respect to the body. A tool arrangement includes at least one retaining device and at least one forming die moveable in the direction of the retaining device. The section (28) to be deformed is arranged between the retaining device and the forming die. In order to improve the quality of the deformed body, the deforming movement of the forming die is controlled depending on the position of the forming die without fixed counterpart holder in a controlled manner such that the forming die is stopped in a defined final position.

Abstract: A die for a tool set includes a punch and a die for mechanically joining metal sheets lying flat one on top of another by shaping. An anvil and die segments together form a cavity into which the joining is carried out. The die segments are supported in a slidable manner at an angle transversely, preferably orthogonally to the cavity axis H against a spring force. A casing sleeve surrounding the die segments is essentially rectangular in cross section, open at the top and can be attached to a base body. The die segments can be supported and guided in guide slots lying parallel opposite one another in the casing sleeve. Guide mechanisms project laterally on the die segments for positive engagement in the guide slots.

Abstract: A die for a tool set includes at least one punch and a die which defines a cavity for effecting joining. The die comprises an anvil opposite the punch. Die segments adjoin the said anvil and define the cavity in the circumferential direction. When the punch is being fed in the direction of the anvil, the segments execute a yielding movement transversely to the punch feed direction.

Abstract: The invention relates to a die for a tool set for the mechanical joining of sheets resting one on top of the other in a planar manner by forming with at least one punch and a die which defines a cavity into which joining is effected, and the die comprises an anvil opposite the punch and die segments which adjoin the said anvil, define the cavity in the circumferential direction and, when the punch is being fed in the direction of the anvil, execute a yielding movement transversely to the punch feed direction, for which purpose the die segments are arranged on a supporting surface in such a way that they can be displaced outwards against spring preloading, and the die is encased circumferentially by a die sleeve, the die sleeve, in the circumferential direction, following a division into die segments, having individual segment guides which form guideways extending through the die sleeve, and in which the die segments are guided in such a way as to be displaceable outwards as sliding pieces formed with an exten

Abstract: The invention relates to an apparatus for the mechanical machining of workpieces, having two tong members in the form of two-armed levers which are mounted rotatably with respect to each other and to whose working ends tool instruments can be fastened, the one tong lever having a fixed tong handle and accommodating a driving piston whose ram can be moved over a selectable advancing stroke path towards a driving end of the other tong member, as a result of which the working end of the other tong member can be moved onto the working end of the one tong member counter to a restoring spring in order to execute a working stroke, the other tong member having, as the driving end, a pivotably coupled spacer which can be orientated towards the ram with a tension spring, which holds the spacer outside an advancing stroke path of the ram, acting on the free end of the said spacer, and on which spacer at least one driver element is provided which is engaged with a pivotable actuating element which pivots the spacer count

Abstract: The invention relates to an apparatus for mechanically joining metal sheets which lie flat one upon the other, having a tool set comprising at least one punch and one die which bounds a cavity in which the joining operation takes place, the punch displacing sheet-metal material out of a sheet-metal plane and upsetting it, and at least one tool part being arranged, for this purpose, on a displaceable tool carrier which has a holding-down means supported in a spring-prestressed manner adjacent to the tool part. In order that the holding-down means allows high outputs, it is provided that, for the spring prestressing of the holding-down means, the tool carrier has a cylinder cavity in which there is guided a piston which acts on the holding-down means and on the head side bounds, with volume-changing action, a pressure chamber which can be subjected to the action of a fluid pressure medium.

Abstract: A tool set for clinch-connecting superposed sheet materials is disclosed, the tool set comprising a punch and a die. The die includes an anvil and shaping elements displaceably disposed on the anvil. All shaping elements are positioned by one single metallic member mounted on the die such that it is destroyed upon removal. Also, a novel socket for mounting the tool set on a press is disclosed.

Abstract: Method for the local forming of material tending towards brittle fracture, such as certain aluminum alloys, in which during the forming tensile loads are exerted on the material, such as for example in joggle joining. Brittle fracture is avoided if the material is subjected to a pressure load in the region which is to be formed.

Abstract: A method and a tool set for joining superposed metal sheets are disclosed. In a first step, a preferably ring-shaped free space is provided by dislocating material of at least one sheet. Thereafter, material of all sheets is squeezed within the confines of the free space whereby material flows laterally into the free space producing an interengaging form lock.

Abstract: A device is described for joining metal sheets with a male and female die, of the type in which the dies interact to cut or slice through the sheets to form portions of material which are spread via material flow by the die interaction to prevent separation of the sheets. The female die has plates which provide counter-edges which interact with the male punch to provide the desired cutting. The metal plates are leaf springs which yield after the cutting to permit spreading of the material.

Abstract: A method is disclosed for bending panels which are provided with reinforcing stiffening ribs. The bending is caused by upsetting or elongating the ribs. Apparatus for carrying out the method also is disclosed and includes means which engage the ribs at points spaced a predetermined distance from the panel skin. The invention is particularly applicable to the shaping of aircraft fuselage skin sections.