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WO/1999/022887A1 |
An extended length rotary bending and forming device having a rocker (10), a holder or saddle block (42) for holding the rocker (10), and a retention device (40). The rocker (10) being produced by a process of fully hardening a steel roc...
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WO/1999/020410A1 |
A pressing-bending machine with a device for detecting the lower and upper cross-members deflection, aimed at interacting with at least one crowning system, essentially made up of means suitable for detecting the elastic deformation on t...
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WO/1999/016963A1 |
The invention relates to a mechanically cleanable screen, which is primarily intended to be used for separating liquid from chips and pulp without the screen getting blocked. The field of application comprises particularly the process ar...
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WO/1999/014641A1 |
Method of bending on press brakes or similar whereby the desired result, e.g. the desired final bending angle, is input into a computer with a connected neural network that has 'learned' the relations between the parameters of bending pr...
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WO/1999/013387A1 |
A setup planning technique is provided in which a family of parts to be manufactured is identified, and the setup constraints imposed by the various bending operations in the part family are determined. The setup constraints may define o...
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WO/1999/010116A1 |
A bending machine for flat material has a frame, a bottom platen with its associated tool arranged on the frame and a top platen with its associated tool arranged on the frame. The bottom and top platens can be moved relative to one anot...
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WO/1999/008817A1 |
A roll forming machine includes side roll stands (22, 24, 26) which are changed by use of a cart (44) and set up fixture which are movable parallel to the pass line through the stands. When a side roll stand (22) is to be changed, a chan...
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WO/1999/008816A1 |
A roll forming machine or tube mill comprises multiple mill stands defining a material pass line through the mill stands. The mill stands include rotating arbors (22, 24) carrying tooling which are supported between a drive bearing housi...
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WO/1999/008166A1 |
In a bending simulation apparatus (30), after a three-dimensional drawing generation portion (22) generates a solid form from trihedral drawing data (21), a workpiece bending simulation portion (24) places a workpiece for forming edge an...
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WO/1999/002795A1 |
This invention relates to sheet metal buildings of relatively large size and more particularly but not exclusively to processes and apparatus for cold-forming elongate building elements of such buildings and methods of building construct...
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WO/1999/001242A1 |
The invention relates to a roll-shaped thin sheet metal profile with partial, varying strength and/or shaping properties. The flat blank (1, 7, 11), from which the profile (2, 5, 10) is formed, exhibits a material width selected to match...
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WO/1999/001240A1 |
A press brake tool holder (10) having a horizontally elongated body (12) having a support plate (14), and a horizontally elongated clamp (40, 42) having upper (66) and lower (68) portions and pivotally attached to the body between the up...
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WO/1999/001239A1 |
The invention relates to a method for bending a workpiece, for example sheet metal (1), by applying a mechanical force while selectively heating it by means of a laser beam (6). A radiation field (7, 21) is generated from one or more las...
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WO/1998/058753A1 |
A press-bending machine to bend metal sheets, having improved features in the respective press-bending with measuring and control system operating on at least four points of the bending angle, of the type in which the press-bending machi...
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WO/1998/056518A1 |
Device to automatically adapt the bending pressure, proportionally to the working pressure of the cylinders of the upper cross-piece, particularly in a press-bending machine and a machine so obtained characterised in that it consists ess...
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WO/1998/053929A1 |
The movable blank-holder (16) of a bending press comprises a series of sections (26, 28) and a pair of motor-driven carriages (42) each of which has an entraining member (44) which can selectively engage and release the sections (26, 28)...
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WO/1998/053931A1 |
A method and apparatus for the production of bent sheet metal pieces (12) is disclosed. In the method or apparatus, a cut (14) is made in a sheet of sheet metal (10) that defines the perimeter of piece (12) to be obtained. The cut (14) i...
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WO/1998/047645A1 |
The invention concerns a protective system for a machine operated with dangerous working steps. This system protects an open entrance and/or access opening (40) in a protective machine housing or cage at any time during operation. An app...
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WO/1998/046380A1 |
Guide means interposed between a blade-holder (20) and the frame (12) of a bending press comprise a slide (40) slidable along an axis (Z) perpendicular to the plane of the metal sheet (P) to be bent. The blade-holder (20) is coupled to t...
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WO/1998/046378A1 |
Press-bending process of a metal sheet with a direct measuring system, comprising a function of compensation and control of the deformation of the cross-pieces of the press and a press-bending machine for carrying out the method comprisi...
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WO/1998/046379A1 |
The movable blank-holder (16) of a bending press comprises a series of segments (26, 28) and a pair of motor-driven carriages (42) each of which has an entraining member (44) which can selectively engage and release the segments (26, 28)...
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WO/1998/032984A1 |
A dry bearing (10�2?, Fig. 2(f)) for a hinge pin or the like comprises a bush 40�2? mounted in a radially supportive housing (16), the bush being formed by a circumferentially discontinuous tubular form made by rolling a strip of ste...
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WO/1998/028096A1 |
A method and system are provided that enable an operator without skills in performing bending operations to easily and quickly perform precise bending operations on a sheet workpiece (w) by following a skilled operator's experience, hint...
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WO/1998/026884A1 |
An apparatus for roll forming purlins and the like from a metal strip (37) allows the choice between upwards bending and downwards bending by means of two sets of forming rollers (40, 43) arranged on either side of drive rollers (38, 39,...
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WO/1998/023399A1 |
To avoid the danger of mold breakage due to mold collision based on an input error of bending data without requiring any specific additional equipment for pressure detection, a mold interference check mode is provided in which a pressuri...
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WO/1998/022236A1 |
An upper die fitting apparatus of a press brake has a simplified overall construction and can moreover change punches reliably and safely. An anchor groove (5) is disposed in an upper part of an upper die (4) at at least the rear surface...
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WO/1998/018579A1 |
A bending angle correction method capable of simply and accurately driving a work over the whole length thereof without being influenced by the scatter of the material thereof. When a plate type work is bent by the cooperation of a drivi...
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WO/1998/014288A1 |
The invention relates to a processing machine for work pieces (16) of flat material, specially sheet metal, comprising a work station (12a, 12b) designed as a bending station, in which the work piece is mounted parallel to a bending surf...
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WO/1998/014286A1 |
To accomplish a highly precisely bent angle uniformly without loosening over the full length of the work avoiding the danger of breakage of the metal mold and preventing the ram coupled portion from being broken due to abnormal shaft. In...
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WO/1998/014287A1 |
Variable panel forming apparatus and method stations (A1, 2, B3, 4, C5, 6, D9, 10, E) interspersed with one another and operable independently of one another. The drive stations have upper (41, 42) and lower rollers (32, 33) each indepen...
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WO/1998/013154A1 |
A bending machine has a bottom platen (12) with a bottom platen tool and a top platen (14) with a top platen tool movable with respect to one another to clamp a workpiece, as well as a bending platen (30) that can swivel around a swivell...
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WO/1998/013153A1 |
A bending centre has a bending cell (10), a charging device (12) with an insertion table for receiving a sheet metal part (14) to be inserted, and a manipulator (30) for gripping the sheet metal part, moving and rotating it. In order to ...
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WO/1998/013155A1 |
In a process for machining sheet metal parts (14) in a bending cell (10) of a bending centre, the sheet metal parts are successively transported from an insertion area to the bending cell. They are taken up by a first manipulator (32) of...
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WO/1998/009743A1 |
A machining centre for processing flat workpieces includes a self-centering vice holder (5) in the form of a workpiece supporting bar as well as a hold-down (3) distributed in various segments (4), which are mobile in relation one to the...
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WO/1998/009744A2 |
The application describes apparatus for concave shaping metal strip (3) which passes the strip through a set of rolls (8, 9) at which appropriate concave shaping is applied to the strip (3) by means of a shaping set of rolls; wherein the...
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WO/1998/008630A1 |
To correct a change in spring back angles due to dispersion in material characteristic values among material lots to thereby realize bending having a very high angular accuracy. A method comprises determining correction values of data wi...
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WO/1998/008631A1 |
A bending machine has a bending cheek (22), a first (12) and a second (16) clamping cheeks for clamping a workpiece (36). One clamping cheek has exchangeable clamping tool segments (30, 32) and at least one clamping tool segment (32) has...
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WO/1998/006516A1 |
In a machine for automatically bending a material into the outside skin of a channel letter, a desired configuration of the channel letter is input into a control computer. The computer controls the feed of the material along a material ...
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WO/1998/005442A1 |
A back gauge device for use in a sheet metal press is such that one of upper and lower tables is movable relative to the other, and a work is fabricated by metal molds mounted on the upper and lower tables. The back gauge device includes...
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WO/1998/004368A1 |
Bending pressing machine (A), in which the following is provided: at least one cylinder comprising essentially two heads (3, 4), lower one and upper one and an external jacket (5) held by said heads, welded to the shoulder (a') of the pr...
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WO/1998/001245A1 |
This device comprises: a frame (20) equipped with guiding means (22); blank holder modules (18, 19) to be moved along the guiding means; means (46, 48, 50) for blocking independently each blank holder module (18, 19) in a specific positi...
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WO/1998/001244A1 |
This device comprises: a first assembly (10, 12, 14) for moving the machine part; a second assembly (18, 22) driven in rotation mounted on at least one bearing; a linking piece (16) mounted via a first linking axis (30) on the first asse...
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WO/1998/001243A1 |
A scanner (29) reads codes, symbols, etc. (27A to 27D) assigned to molds (9A to 9D) mounted to a press brake (1) and a position detector (33) detects a movement position of the scanner (29). A memory (35) stores the detected position dat...
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WO/1997/049508A1 |
Apparatus and method is disclosed for forming a variety of shapes and sizes of shaped structural members. The apparatus and method includes a first portion (I) on a traveling plate (31) having successive sets of opposed upper and lower r...
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WO/1997/046334A1 |
In a method of forming hollow cylindrical bodies from strip material, the strip material (4) is introduced to a location with a first surface thereof facing an array of forming elements (5, 6, 7, 11) arranged along an arcuate path. Relat...
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WO/1997/046339A1 |
A shaping machine, especially a bending machine, makes it possible primarily to bend, cut or stamp the edges (3) of sheet-like workpieces (2). The workpieces (2) may be taken up by the clamping jaws (12) of a manipulator (11) and taken t...
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WO/1997/046336A1 |
The invention features a sheet metal bending machine, constituted by a smooth press roller around which the sheet metal is rolled, after bending, and by smooth carrying rollers against which the press roller presses, is characterised in ...
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WO/1997/044147A1 |
The invention relates to a process for shaping a flat metal workpiece, especially an aluminium sheet, in which the workpiece is heat-treated in the shaped region. According to the invention, the heat treatment is applied by a radiation t...
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WO/1997/038806A1 |
A device for shaping plate-like workpieces which can be clamped between a first and a second tool uses an hour-glass shaped roller as bending tool. The second tool has a retaining surface which offsets the opposite vertical side surfaces...
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WO/1997/032676A1 |
A method of manufacturing thin-walled pipes or products having a similar cross section with improved formability at a high speed without damaging or deforming their edges. Ordinary cold rolling units B1, B2-B4, CL, FS, SQ are used with w...
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