Abstract: A tangential rolling head with a basic body including means for loading it in a machine tool, two two-armed levers pivotally supported about a common axis of the basic body one lever arm of which is traversed by a formed-type roll and the other lever arm of which is traversed by a spindle which has a circumferential annular groove, a sheet metal element which has a forked portion and a fastening portion wherein the forked portion engages the annular groove and the fastening portion is adapted to be fastened in a recess of the basic body by means of a pin, characterized in that the sheet metal element is rigidly formed and is supported in the recess on the two sides by means of disc springs slid onto the pin.

Abstract: A rotary compression press for cylindrical compacts, especially tablets, comprising a rotatably driven rotor including a die-plate and an upper and a lower ram guide for upper and lower rams cooperating with the die bores, and a pressure station with an upper and a lower pressure roller for applying a pressing power to the rams wherein the rams circumferentially have an annular tooth system which cooperates with an opposed tooth system in the area of a pressure station for the rams for the purpose of rotating the rams in the die bores thereof, characterized in that the opposed tooth system is defined by a rotatably supported gear which is acted on by a preset braking torque with the braking torque being chosen so as to be smaller than the torque of the ram when under a maximum pressing power.

Abstract: A process for the manufacture of compressed articles, particularly cemented-carbide cutting blade inserts, by compacting metallic powder and subsequently sintering the compact, particularly cemented-carbide reversible cutting blade inserts, which have a seating surface and at least one cutting edge extending approximately in parallel with the seating surface which is at a predetermined distance from the seating surface, by means of a press having a die-plate and a top ram and a bottom ram, comprising the steps of: Charging a predetermined volume of metallic powder into the die-plate bore with the bottom ram taking a predetermined charging position in the die-plate bore, Displacing the bottom ram and the top ram to predetermined first and second positions, Displacing the bottom ram and, if need be, the top ram more while simultaneously measuring the compressive force at least for the bottom ram with the shift of the bottom ram or top ram being effected along a predetermined curve desired for the compressive

Abstract: A tablet rotary compression press for the manufacture of multi-layered tablets, comprising a rotationally driven rotor which has a die-plate with die-plate bores and top and bottom rams aligned towards the die-plate bores which are guided in ram guides of the rotor and are axially actuated by stationary control cams, an insertion device for a portion of the tablet-forming compacts which has two or more arms guided in a radially movable manner at the each end of which a compact is held and can be aligned towards a die-plate bore, wherein said rotor has circumferentially included thereon a support ring or support surfaces on which the compacts can be deposited in the positions approximately aligned towards the die-plate bores, the radial arms are disposed in the rotor, rotate therewith, and have radially movable gripping portions adapted to be radially moved to each other, and the rotor has provided therein a stationary guide with first and second guide cams the cam followers of which are interacted with by the

Abstract: A method for influencing the swarf flow behaviour of tool surfaces in the region of cutting edges with swarf producing tools with a geometrically defined cutter, by laser irradiation of the tool surface, wherein with the help of the laser irradiation at least the faces at a slight distance to the cutting surface are provided with a geometric pattern changing the surface structure.

Abstract: An adjusting method for a rotary tablet press with an angle pulse encoder for evaluating the pressing force course at the individual punches in at least one pressing station, in which the angle pulse encoder per revolution of the press rotor produces a pulse per revolution and per rotational angle value produces an angle pulse, characterised by the following steps: the angle pulse encoder is rigidly assembled relative to the rotor shaft in any position the rotor with a predetermined punch is moved visually under the middle of a main pressing roller (coarse position) the rotor is rotated until the pulse per revolution appears, and the angle pulses until the pulse per revolution are counted by a machine computer and their number is stored the computer computes the coarse positions of all punches, expressed in angle pulses, in relation to the pulse per revolution and produces on rotation of the rotor one coarse position pulse per punch in the computer to each coarse position there is allocated a measuring w

Abstract: A method for determining the position of a punch with respect to a die in a powder press with the following steps: storing a reference measure in a computer corresponding to a predetermined relatively small distance of the punch to the upper edge or lower edge of the die, storing a reference offset in the computer by counting the pulses of an incremental path sensor actuated by the punch on raising the punch from the reference measure to an index pulse, measuring the position of the punch above the reference offset using an absolute path sensor which evaluates the path of the adjusting piston for the punch and whose readings are inputted into the computer, and inputting the pulses of the incremental path sensor into the computer as soon as the actual position of the punch is equal or smaller than the sum measure of the reference offset and the reference measure.

Abstract: A control cabinet for a tablet press including an enclosure having wall, ceiling, and bottom portions of sheet metal, a door which closes an opening of the enclosure wherein a door board attached to the enclosure by means of at least one hinge only consists of two panels of a transparent material with no surrounding border between which a netting of a conductive material is disposed, and a contacting device which electrically connects the netting to a portion of the enclosure.

Abstract: An operating stand for a tablet press device which comprises a process computer with a screen and an input keyboard and where appropriate a printer, wherein the operating lectern is mounted height-adjustable on a traversable base and between the base and the operating lectern there is arranged a linear adjusting drive with a linear guide.

Abstract: A tool arrangement for the manufacture of ring-shaped compacts using a rotary compression press wherein the rotary compression press has a rotatably driven die-plate having die holes in which die inserts are mounted, and upper and lower rams aligned towards the die inserts and rotating together therewith, which are moved by control portions towards each other or away from each other and wherein the bottom rams have a coaxial bore open to the operating end in which a central pin is disposed which is axially located relative to the die-plate by a transverse pin wherein the transverse pin extends through an axial slot of the lower ram, wherein the transverse pin is located in a ring which forms part of a guide bore for the lower ram which is formed in a radially outwardly facing projection of the die-plate, two bracket-shaped retaining clips are disposed on opposed sides of the lower ram a longer leg of which abuts against the underside of the ring and a short, second leg of which is bent over the projection, a

Abstract: A distribution device for a rotary press, including: a distribution box in or on the housing of the rotary press, a plurality of connectors on opposed sides of the distribution box for connection to one cable each at the externally located end, a p.c. board in the distribution box for an electric connection between opposed connectors with the connectors having soldering pins which are extended through an opening in the distribution box and are fixed by soldering in appropriate bores of the p.c. board at their free ends.

Abstract: A rotary tablet press, with a die plate rotatably mounted in a housing, which comprises guides for the upper and lower punch, whose position is controlled by cam disks rigid with the housing, and with an upright drive shaft which is arranged below the die plate and which can be releasably coupled to the die plate, wherein the die plate is formed such that after releasing from the drive shaft and a slight raising it may be moved out laterally, wherein at the ends, facing one another, of the die plate and drive shaft there is provided a quick locking whose parts are arranged in cavities of the die plate and drive shaft and which may be actuated by an actuation rod which is movably mounted in an axial channel of the drive shaft and is actuatable by an actuation device for the selective tensioning or releasing of the die plate and drive shaft.

Abstract: A rotary tabletting machine with a housing, with a matrix disk in the housing, which in an upper and a lower receiving section guides the upper and lower punch, with an upper and lower cam carrier ring rotationally rigid relative to the housing, for control of the upper and lower punch and with an upright drive shaft, below the matrix disk, driven by a rotational drive and releasably connectable to the matrix disk, wherein the matrix disk and the cam carrier rings with the upper and lower punch after release from the connections as an assembly may be commonly removed from the drive shaft, whereby the cam carrier rings laterally in each case are connected to at least one arm and the arms via an upright connection section are rigidly connected to one another and the connection section is releasably couplable to the housing such that it is secured against rotation.

Abstract: An arrangement comprising a bore-type hobbing cutter and a holding arbor wherein the bore of the hobbing cutter has ground cylindrical centering surfaces at its ends and the arbor has complementary seating surfaces and wherein the hobbing cutter is axially chucked on the holding arbor by means of axial chucking means, where a preferably sleeve-shaped cage is disposed between centering surfaces and has a thickness which is smaller than the radial distance between centering and seating surfaces, and has an outside diameter which is smaller than the inside diameter of centering surfaces, the cage supports, in a circumferential direction, at least a number of prechucking elements, which are preferably metallic and are in contact with the associated centering surface and the seating surface, and said diameter and the distance between the contacting points or contacting lines of prechucking members are slightly larger than the radial distance between centering and seating surfaces.

Abstract: A method for the production monitoring with the manufacture of tablets in a rotary tabletting machine, with a row of upper and lower punches arranged in pairs, which cooperate with matrix bores, in which for each punch pair the maximum of the pressing force is measured, via a preselected number of readings (measuring row) an actual mean value is computed and compared to a nominal mean value and the supply of material to the individual matrix bores (filling degree) is changed when the deviation exceeds a predetermined measure, wherein before forming the mean value those pressing force readings of each measuring row, which significantly deviate with respect to other readings, are eliminated (freak value test).

Abstract: A roll for a radial thread-forming head which has disposed at its circumference a thread-forming profile with a flattened area, a thread entry portion, a thread calibrating portion, and a thread exit portion, characterized in that an annular, continuous groove portion is formed in the longitudinal half of the roll in a radial plane at the circumference, except for the flattened area, and a thread-forming profile is formed in the two sides of the groove portion wherein the pitches of the thread-forming profiles are opposed and the positions of the flattened areas are coincident.

Abstract: An indexable insert milling tool with a milling body which on the circumference comprises distanced chip spaces, in which insert seats for indexable cutting inserts are formed, and with fastening screws which can be screwed into a threaded bore in the insert seat for fastening the indexable inserts via a middle hole, wherein the insert seat comprises a first bearing surface extending roughly perpendicular to the threaded bore, against which the rear side of the indexable inserts bear and a second bearing surface on the inner side of the chip spaces, against which the indexable inserts laterally bear. The indexable insert on the rear side on the cutting edge sides comprise raised elongate support sections wedge-shaped in cross section with lower parallel distanced elongate support surfaces.

Abstract: A method for adjusting a stamp relative to a matrix on sinter-pressing, characterized by the following method steps: the stamp and the matrix are so moved towards one another that the stamp is located in a position shortly before the immersing into the bore of the matrix; the region of the stamp is illuminated; on the side distant to the stamp there is positioned an optical recorder which acquires the matrix bore; the picture recorded by the recorder is imaged on a monitor; in accordance with the imaging on the monitor the stamp relative to the matrix is so adjusted transversely to its axis that a uniform gap between the stamp and the matrix bore over the circumference is obtained; and subsequently the stamp is finally fixed in its receiver.

Abstract: An end milling cutter with which two cutting plates can be fastened on the shank displaced in the circumferential direction with the help of fastening means, wherein there is provided a clamping plate which by way of a single clamping screw can be pressed with one end against the shank and with the other end against both cutting plates, wherein one clamping section of the clamping plate bears against the front side of one clamping plate and another clamping section against the rear side of the other clamping plate and wherein the clamping section of the clamping plate which bears against the rear side of the other cutting plate is formed as a seat for this cutting plate.

Abstract: A method for manufacturing pressed parts from hard metal, ceramic, sintered metal or likewise, in which a part of a charge of a powder-like or granular original material is filled into a pressing mould and is pressed with at least one pressing stamp against a counter surface, wherein the force and the distance of the pressing stamp are measured, and wherein there are the following method steps:depending on the geometry of the pressed part and on the original material during the compression for a pressing stamp a desired force-distance diagram (nominal curve) is determined and stored;in a computer during the compression the measured values for the distance and the force of the pressing stamp are compared to the nominal curve;by way of at least one separately actuated section of the pressing stamp or of a separate stamp the pressure on the pressing material during the compression phase is increased or reduced as soon as a deviation from the nominal curve is determined, in order at the end of the compression pha