Abstract: A transfer lock for a tabletting plant, which has a casing with side walls where at least one wall has an aperture which is adapted to be closed by a first flap which is pivotable inwardly into the interior of the casing and is adapted to be locked by a locking device operable from the interior of the casing, wherein the aperture is externally surrounded by a connection profile which is adapted to be sealingly brought together with a counter-profile of a lock channel and the flap externally has a driver profile which interacts with a counter-driver profile of a second flap mounted at the end of the lock channel when the counter-profile of the lock channel is connected to the connection profile, thus allowing to pivot the two flaps into the interior of the casing when the locking device is unlocked, which integrates the connection profile into the material of the casing wall.

Abstract: A device for the guidance of lower rams across the lower-ram head in a rotor-type rotary press in the area of a filling device wherein a charging cam is disposed between an ejector cam which precedes as viewed in the direction of production and a proportioning cam adjustable in height and is configured such as to lower the heads of the lower rams revolving along with the rotor from the level at the end of the ejector cam to a lower-located transition level of the proportioning cam, a press-mounted, first charging-cam element having a first filling-cam portion joining the ejector cam is provided on which the lower-ram heads are guided solely on the side facing the rotor axis subsequent to the ejector cam, an adjustable second charging-cam element is provided and has a second filling-cam portion on which the lower-ram heads are guided solely on the side facing away from the rotor axis before encountering the proportioning cam, that the second charging-cam element is displaceable both vertically and in the circu

Abstract: A plant for the manufacture of tablets, comprising a rotary tabletting machine, a control cabinet which houses a machine computer, a control desk which preferably is mobile and houses a service computer to operate functions of the tabletting machine and store data including an emergency stop, a printer connected to the control desk, and peripheral devices such as a tablet tester, dust trap, etc., wherein said control cabinet, control desk, and further peripheral devices have a power supply and are connected to said tabletting machine, wherein said control desk and said tabletting machine have a transceiver each and two wireless transmission links are provided between said transceivers out of which one is designed to transmit data and control signals and the other one is designed to transmit an emergency stop signal.

Abstract: A press for the manufacture of dimensionally stable compacts from powdered material, characterized by the features of a press frame having vertically adjustable columns and cross-connections, a die retainer plate, at least one upper ram retaining plate, at least one lower ram retaining plate, a guide column outside a press main axis which has two parallel guideways on which all retainer plates are adapted to be guided vertically on one side or be selectively locatable, wherein the lower end of the guide column is fixedly coupled to a frame-mounted lower plate and the upper end is located on the press frame, an upper adjustable drive adapted to be located on the press frame, for the upper retaining plate (34), a lower adjustable drive (68) for the lower retaining plate (38, 40) and the die retainer plate, if desired, and which is fixed to the frame-mounted lower plate.

Abstract: Press for producing dimensionally stable pressed parts from powdered material, with a press frame, a die holding plate, at least one upper punch holding plate, at least one lower punch holding plate, adjusting drives for the upper punch and lower punch holding plate and/or die holding plate, a vertical guide in the press frame for at least the upper and lower punch holding plate and a measuring device for measuring the position of the upper punch holding plate, the lower punch holding plate and/or the die holding plate. A single measuring rule is attached in its thermal fixed reference point to a support vertically uncoupled from the press frame, on which measurement slides cooperating with the holding plates are guided.

Abstract: Method for the automatic control of the amount of active ingredient of tablets during the production in a rotary tablet press, which has a die table with die bores, upper and lower punches assigned to the die bores, a filling station, a metering cam for the lower punches in the filling station, at least one pressing station with at least one upper and one lower pressing roller, wherein at least the lower pressing roller is adjustable with respect to the other pressing roller by means of a pressing roller adjustment equipment, a metering cam adjustment equipment for height adjustment of the metering cam, a compression force measuring equipment at the pressing station, a control- and operating computer and an active ingredient measuring equipment, characterised by the following procedural steps: during the tablet production, the amount of active ingredient of tablets is measured and values for the amount of active ingredient are compared with a predetermined desired active ingredient value in the control- an

Abstract: A hobbing cutter with a hob body which circumferentially has at least one helically shaped flight or a plurality of annular flights, including flanks on either side of a flight apex, wherein the flanks have alternately mounted thereon indexable inserts by means of screws and the indexable inserts extend into the flight apex, wherein the cutting edges of adjoining hobbing flights further are at a twisted offset from a line which runs in parallel with the axis of the hob body, and wherein the indexable inserts have associated therewith radially outwardly open chutes which transversely extend through the flight apex, wherein the cutting edges of the indexable inserts of adjoining flights are disposed at such an offset from each other that a straight shank of a screwdriver can be passed through a close-to-apex portion of the chutes in order to be engaged with a mounting bolt of an indexable insert on the adjoining flight.

Abstract: Device for monitoring the production of tablets in a rotary press, with die bores in a circular die plate for the accommodation of a powder to be pressed, upper- and lower stamps, a pressing station for pressing the powder in the die bores by means of the upper and lower stamps, a tablet stripper for stripping off the tablets ejected by the lower stamps from the upper side of the circular die plate and a machine computer, wherein a contactless working temperature measurement device, being in communication with the machine computer, with a measurement plane between the pressing station and the tablet stripper, is arranged in the press room of the rotary press, and the measurement time of the temperature measurement device is such that at least some of the tablets per rotation of the circular die plate can be established in their temperature.

Abstract: A device for generating a negative pressure in the sealed room of a tablet press and/or of an isolator, with a fan connected to the sealed room and an air opening towards the sealed room, wherein the intake side of an ejector is connected with the sealed room, the working fluid connection of which is connectable with a compressed air source via a valve, with a sensor which is connected to a negative pressure control unit which opens the valve when the sensor measures a pressure in the sealed room which is above a predetermined negative pressure value, a second valve being assigned to the fresh air inlet opening, which depending on the embodiment remains opened or is triggered and closed by the negative pressure control unit.

Abstract: A device for stopping a continuous product stream of the products of a rotary press, with a height conveyor which has a lower loading region to which the products are supplied via a first conveying means, and an upper delivery region, from which the products are conveyed to a reception container via a second conveying means, wherein on the downstream side of the delivery region of the height conveyor a switch is assigned to the second conveying means, a third conveying device being connected to this switch, the lower end of which is assigned to the loading region of the height conveyor, so that the products are supplied to the second or third conveying means depending on the condition of the switch

Abstract: Method for determining a reference for a powder press, which comprises a die plate for attaching a die and an upper adaptor plate which may be actuated by a drive which is hydraulic, mechanical, electric or the like for attaching an upper punch, a lower adaptor plate which may be actuated by a hydraulic drive for attaching a lower punch or the die plate and at least one distance measuring system for the upper and lower punch and/or the die plate with the following steps: a reference die and at least one reference punch are made, the reference die is attached to the die plate, by an optical measuring device usefully arranged on a base plate and/or die plate, the position of the upper edge of the reference die is measured and the position value stored, the reference die is removed, the adaptor plate with the reference punch previously attached therein, is moved in the direction of the die until the lower edge of the reference punch has reached the stored position of the upper edge of the reference die, the sum

Abstract: A process for the manufacture of compacts, particularly cemented-carbide cutting blades, by compressing metallic powder and subsequently sintering the compacts wherein the compacts are formed in a powder press having a die-plate, an upper ram and at least one lower ram which are associated with a die-bore and are adapted to be actuated by a hydraulic press cylinder with the rams having associated thereto force-measuring devices and path-measuring devices to measure the compression forces during the ram feed motion up to the final positions, wherein the value of the energy to be applied by the upper ram is stored for a compact of predetermined geometry and dimensions and a predetermined material, that the overall energy to be applied by the upper and lower rams is further stored as a second value, that the feed motion of the upper ram is completed when the energy applied by the ram has reached the predetermined first value and the feed motion of the lower ram is effected depending on the application of the res

Abstract: An axial thread-rolling head comprising a shank and a bearing unit held by said shank and having the profiled rolling dies wherein said shank has an elongate gripping portion, a first clutch portion, a supporting portion for the bearing unit, and a driver portion for a central toothed gear of said bearing unit and said bearing unit has a second clutch portion which is in engagement with said first clutch portion when said bearing unit and said shank are in a coupled position because of a spring bias, and is out of engagement when said bearing unit and said shank are axially moved apart, against said spring bias, to a separating position, which allows said bearing unit to perform a relative rotation on said shank, wherein said gripping portion and said clutch portion, on one hand, and said supporting portion and said driver portion, on the other hand, define separate components which are axially fixed and fixed for rotation via connecting portions, but are adapted to be releasably connected to each other.

Abstract: A rotor for a tablet press including an upper-ram receptacle for the upper rams and a lower-ram guide for the lower rams of the tablet press, as well as a retainer plate having a series of die-bores which are oriented towards the upper and lower rams wherein the retainer plate is composed of at least two ring segments which are adapted to be mounted non-positively and/or positively to the body of the lower-ram guide by means of a fixing device.

Abstract: Method for making a form-fitting connection between a tool insert and a tool holder of a rotatingly driven tool, wherein the tool holder has bearing surfaces by which forces or torques are transmitted to the tool insert, wherein the tool insert is made from a material harder than that of the tool holder and by sintering a green compact of powder. A sintered green compact for the tool insert is used as a hob, by which the bearing surfaces in tool holders are manufactured by punching or press-forming.

Abstract: Tablet press, with an upper housing part for receiving a rotor and comprising pressing tools, a lower housing part with side walls for receiving a drive device for the rotor, servo drives for peripheral apparatus for the tablet press, a switch cabinet for receiving a machine computer, electrical parts, components, such as power units with their control switches for the drive device, servo drive and peripheral apparatus, a switch cabinet housing with a rear wall, a bottom wall, a cover wall and side walls and an open front face being attached via its rear face to the outer face of a side wall of the lower housing part, furthermore with a hood which comprises hood side walls and a hood cover wall and which is pivotally mounted about a vertical axis on the switch cabinet housing or on the lower housing part by means of a hood side wall, the hood being constructed and slidable over the switch cabinet housing, in such a manner that the hood cover wall seals the front face of the switch cabinet housing and the hood

Abstract: A method for minimizing the spread of the maximum compression forces in compacting powder, specifically metallic powder, by means of a powder press which has a die-plate, an upper ram, and at least one lower ram which are associated with a die-bore and are respectively operable by a hydraulic press cylinder, and a charging shoe movable on the die-plate along a predetermined path for filling the die-bore with the powder, wherein the maximum compression force of at least the upper ram is measured upon arrival at a predetermined position, the charging shoe, the die-plate, the upper ram and/or lower ram are vibrated at a predetermined frequency and amplitude during the filling operation and/or at the beginning of the compression procedure and, in addition, the filling time or the course of charging shoe motion in time are predetermined, wherein the frequency distribution of the maximum compression force values is determined at intervals and the standard deviation is determined therefrom for the maximum compressio

Abstract: A set of compaction rams and/or die-plates for a tabletting machine has all of the compaction rams and/or die-plates of the set furnished with a code containing at least the following information: (a) a label for the set of compaction rams and die-plates; (b) an individual label for each compaction ram and/or die-plate within the set; (c) data effective to critically dimension the compaction ram and/or die-plate which contains the code; and (d) data containing service life information for the compaction ram and/or die-plate which contains the code.

Abstract: Face milling cutter with a shaft section and a tool section, whereby the front end of the tool section has at least one flat, arched, lower cutting edge, a rounded corner cutting edge, and a peripheral cutting edge, whereby the lower cutting edge has a radius r1 from 1 to 2 times d1 and begins at a distance of 0.1 to 0.2 d1 to the axis of the shaft section, whereby d1 is the diameter of the flight circle of the axially parallel tangent to the rounded corner cutting edge.

Abstract: A rotor for a tablet press including an upper-ram receptacle for the upper rams and a lower-ram guide for the lower rams of the tablet press, as well as a retainer plate having a series of die-bores which are oriented towards the upper and lower rams wherein the retainer plate is composed of at least two ring segments which are adapted to be mounted non-positively and/or positively to the body of the lower-ram guide by means of a fixing device.