Abstract: A rotatable tool-assembly for processing wooden panels and the like, of the type comprising at least a first and a second disc blades that are adapted to be fitted on a same spindle, one beside and coaxial with the other; said first and said second disc blades being both provided with a central discoidal body and a cutting toothed crown that comprises a plurality of protruding teeth at least one of which has the front edge covered by a cutting insert; the cutting toothed crown of the first disc blade being structured so as to be able to mesh in an angularly rigid manner with the cutting toothed crown of the second disc blade and vice versa.

Abstract: A crusher includes first and second crusher bodies defining a crushing gap. A hydraulic cylinder is coupled to one of the crusher bodies to adjust a width of the crushing gap. A pressure relief valve includes a pressure chamber communicated with the hydraulic cylinder. A pressure relief piston is movable between a closed position and an open position. The pressure relief piston includes at least one piston pressure surface delimiting the pressure chamber in the closed position transversely to the actuation direction of the piston, the pressure relief piston including a surface area at an end facing away from the pressure chamber, which surface area delimits the chamber area transverse to the actuating direction of the piston to transfer a closing force to the pressure relief piston in a closing direction of the closed position when pressure is applied in a chamber area.

Abstract: A system and method for an engaging tool. Removing debris, trees and clearing land and paths requires the use of specific tool and machinery. To grind, break and shred wood, the machines must be fitted with proper attachments and engaging tools. One tool includes a front a front face and a back face connected by two opposing side faces and an opposing top face and base face. The front face has a concave shape and an outer channel which extends inwardly into the front face. The front face also has a tube a tube extending outwardly from said front face. The tube is located within the outer channel.

Abstract: A process for producing a particulate recyclate from quartz composite by comminuting quartz composite moldings composed of a polymer matrix with inorganic and/or organic filler particles embedded therein, wherein precomminuted pieces of molding are comminuted in a hammer mill to form particles that form the recyclate.

Abstract: The invention relates to a crusher unit (10), in particular an impact crusher, having an impact rotor (11), having at least one swivel-mounted impact rocker (20), wherein a crushing gap (15) is formed between the impact rotor (11) and the impact rocker (20), wherein the impact rocker (20) can be swiveled along an adjustment path by means of at least one gap-adjusting means (30) to set a gap width of the crushing gap (15), wherein the impact rocker (20) is mounted such that its weight force acts in the direction of a reduction of the crushing gap (15). For a high degree of operational safety, the crushing gap can be readjusted during operation in that at least one retaining device (50) is provided, which uses a retaining force to flexibly counteract a swiveling of the impact rocker (20) in the direction of the impact rotor (11). The invention also relates to a method for setting the crushing gap (15) of a crusher unit (10).

Abstract: A method for using dry milling to prepare nanoparticle and microparticle powders of a biologically active material are described. The nanoparticle and microparticle powders have desirable powder handling characteristics such as good content uniformity that make them suitable for commercial manufacture of drug products.

Abstract: A machine for forming RFID antennas includes a support structure provided with a support for an RFID substrate, and a plurality of forming pegs having vertical axes fixed with respect to the support and arranged above it to define a predetermined path for a wire configured to form the RFID antenna The machine has a wire feeding system that has a wire guide element and a handling assembly, a pair of grippers arranged at the ends of the path and operable to assume a closed position, in which the wire is blocked, and an open position, in which the wire is released, and a movable structure carried by the support structure and provided with a thrust element movable vertically between an upper position in which it allows the wire to be wound around the pegs and a lower position in which it deposits the formed antenna on the substrate.

Abstract: A cone crusher head, system, and crusher including the cone crusher head and system. A conical mantle radially extends from an interference fit section and has a head diameter Dch. The conical mantle has a wear part support surface and a shaft support surface. The interference fit section has a nominal interference fit diameter Dif. The conical mantle has an armpit groove for receiving a slip ring. The armpit groove is covered by the conical mantle with an armpit thickness La. Fretting wear is reduced by dimensioning the crusher head so that a ratio of the head diameter Dch to the nominal interference fit diameter Dif is most 2.5; and a ratio of the head diameter Dch to the armpit thickness La is at least 10.5.

Abstract: Supporting tables 8, 9 for supporting both edges 90a, 90b of a veneer 90 are arranged when both edges 90a, 90b are scarfed using circular saws 40a, 41a. Supporting tables 8, 9 include pressing units 56, 57 for pressing both edges 90a, 90b, circular saw contacting sections 54, 55 for receiving the circular saws 40a, 41a, and auxiliary conveyors 60, 62 for transporting both edges 90a, 90b in a transporting direction TD. Pressing units 56, 57 are configured to press both edges 90a, 90b against at least the auxiliary conveyors 60, 62. Auxiliary conveyors 60, 62 are arranged adjacent to the circular saw contacting sections 54, 55. Both edges 90a, 90b transported in the transporting direction TD are pressed by the pressing units 56, 57, reducing a friction acting on both edges 90a, 90b in the direction opposite to the transporting direction TD.

Abstract: Device for timber harvesting having a felling head which includes a gripper and saw unit and a tilting device. The gripper and saw unit have gripper arms which can be actuated by a first hydraulic cylinder and a cutting element which can be pivoted out by a second hydraulic cylinder, and can be pivoted from a depositing position into a cutting position for the harvested material with the aid of the tilting device, which can be actuated by a third hydraulic cylinder. The first hydraulic cylinder is connected to a first hydraulic line for opening the gripper arms and to a second hydraulic line for closing the gripper arms. The tilting device can be pivoted from its cutting position into its depositing position by pressurizing the second hydraulic line in a pressure range in which the cutting element remains in an inactive state.

Abstract: A mortising jig and associated components and methods for cutting a mortise in a workpiece. The jig includes a guide assembly for locating and moving a drill bit of a drilling tool relative to the workpiece. The guide assembly includes a guide rail and a guide. The guide includes a guide carriage movably mounted on the guide rail for movement along the guide rail and a drill bit support. The drill bit support is movable with the guide carriage. The drill bit support includes a rest arranged to locate the drill bit of the drilling tool relative to the workpiece. The drill bit support is movable relative to the guide carriage to change a distance between the rest and the guide carriage.

Abstract: A bearing arrangement of a horizontal grinding mill with a drum includes a first bearing device and a second bearing device, the drum being supported in rotation by the first and second bearing devices. The bearing arrangement further includes a load determiner that determines a load applied on the first bearing device and fill rate determiner that determines a fill rate of the drum during normal operation of the horizontal grinding mill from a first relationship determined during a calibration period. The first relationship correlates the fill rate of the drum to the determined load applied on the first bearing device.

Abstract: An attachment for a router is provided. The attachment may be an adaptor for easily connecting the router to another component. The attachment includes a frame arrangement and a bottom cover that covers the mounting portion of the frame arrangement used to secure the attachment to the router.

Abstract: Modular shredding rings for implementation in waste disposers, such as food waste disposers, as well as waste disposers employing such modular shredder rings and related methods of operating and assembling, are disclosed herein. In an example embodiment, a food waste disposer includes a food conveying section, a motor section, and a grinding section that are all supported by or formed within a housing. The grinding section includes a rotating plate and a modular shredder ring, the modular shredder ring including an annular support structure and a plurality of shredder modules mounted upon or coupled to the annular support structure. Additionally, the respective shredder modules are respectively positioned along respective different portions of a radially-inwardly-facing annular surface of the annular support structure. Further, each of the respective shredder modules includes one or more respective first contacting formations that at least partly define one or more respective first spaces.

Abstract: A debarking drum (1) for the debarking of wood (2) has an essentially horizontal cylindrical drum (10) supported to revolve around its longitudinal axis. The drum has a first end (12) and a second end (14) with an inner surface with inwardly projecting longitudinally extending debarking iron sections (16). Bark openings or slots (20) extend through the drum inner surface (18) and multiple rigid studs (22) protrude inwardly from the inner surface (18) and are positioned between the debarking iron sections (16). The studs operate to break the bark (3) of the wood (2) for debarking. The studs (22) are positioned along a partial length (L) of the drum (10) between the first end (12) and the second end (14). The invention also relates to a method and system for the debarking of wood by the debarking drum.

Abstract: A handheld trash compaction apparatus for compacting trash downwardly into a trash can using a portable, handheld device includes a housing lid with a handle attached thereto, a bottom press configured to fit within the housing lid, and a drive mechanism mounted within the housing lid and coupled to the bottom press. The drive mechanism is actuatable to move in a compacting direction which urges the bottom press downwardly and outwardly from the housing lid. When actuated in the compacting direction, the bottom press is configured to compact waste into the waste container. The drive mechanism is also actuatable to move in a retracting direction which urges the bottom press upwardly and inwardly toward the housing lid. When actuated in the retracting direction, the bottom press is configured for storage within the housing lid.

Abstract: A stump grinder has a grinding arm that durably mounts a rotatable grinding wheel. The stump grinder includes a motor with a drive shaft that is rotatably coupled to the grinding wheel. The grinding wheel includes a stub shaft attached thereto that is received within a bearing. A control is movable to produce corresponding pivoting motion of the grinding arm. The control includes a depressible trigger for starting and stopping the operation of the grinding wheel.

Abstract: A powered log splitter includes a support structure configured to support a log, a ram that is operable to engage and split the log, a hydraulic drive unit to actuate the ram, and a stand-alone motor unit to power the hydraulic drive unit. The stand-alone motor unit includes a housing, an electric motor located within the housing, and a battery pack removably coupled to the housing. The battery pack is configured to supply electrical current to the electric motor.

Abstract: A dust compaction system includes a compaction device including a hopper with an input port into which a dust is input and a discharge port from which the dust is discharged, and a compaction unit configured to form pellets by compressing the dust supplied from the discharge port of the hopper, and the dust compaction system further includes a suction device configured to suck in the hopper of the compaction device.

Abstract: A roller press comprising including a roller face defining a plurality of individual reliefs shaped and sized to compress feed material into a plurality of discrete briquettes, each of the individual reliefs defining a quadrilateral shaped depression having rounded corners to reduce stress concentrations in the resulting briquettes, wherein a pair of leading edge rounded corners are defined by a first radius and a pair of trailing edge rounded corners are defined by a second radius, the first radius being smaller than the second radius.