Abstract: An ultrasound transducer with at least one piezoelectric oscillator, a damping compound and at least one electrically conductive conducting element that is in contact with the piezoelectric oscillator. The damping compound in an ultrasound transducer encloses at least the at least one conducting element, and the composite structure of the at least one conducting element and of the damping compound is designed such that the composite structure is in contact over an area with the piezoelectric oscillator, and forms a support on the side of the ultrasound transducer that faces away from the piezoelectric oscillator on which the ultrasound transducer can be supported.

Abstract: The present disclosure discloses a wave-shaped polyurethane high-frequency linear vibrating screen mesh, which solves the problems of unobvious layering and poor screening effect of the existing screen mesh. The wave-shaped polyurethane high-frequency linear vibrating screen mesh comprises a side blind area and a screening area. The screen area is composed of wave-shaped injection molding polyurethane screen pieces. Materials roll forward along the direction of material flow in a wavy manner. Clamping grooves are formed in the blind area, which can be in buckle fit on rail seats of a small beam of a screening machine. The screen gap direction of the screening area is consistent with the direction of the material flow. Through the arrangement of a wave-shaped screen mesh surface, the wave-shaped polyurethane high-frequency linear vibrating screen mesh effectively optimizes the running state of the materials, and promotes effective layering of coarse and fine materials.

Abstract: A device, which serves to separate particles of a bulk material, which is deliverable at an input location and is removable processed in different or at least approximately unitary particle sizes at an output location, includes at least one separating element, which has a metal separating plate with through-openings provided therein, which separating element can be provided with ultrasonic energy and for this purpose is connected to an ultrasonic transducer and which is held by a holding device. The holding device is a mounting shaft, which is held at one end or at both ends fixedly or movably, in particular rotatably and/or axially displaceable, and which at one end or at both ends is connected to an ultrasonic transducer, by means of which ultrasonic energy is couplable via the mounting shaft into the separating element, which is designed to be dimensionally stable.

Abstract: Aggregate processing systems, methods, and apparatus are described. In some embodiments, a plant is configurable in one of a plurality of configurations, e.g. by sliding one of a plurality of chutes, hoppers, or flumes into a frame and/or by modifying a height of the frame. In some embodiments, a roller floor assembly is in a maintenance configuration when a chute is in a maintenance position. In some embodiments, a flume includes one or more diverters for moving a subset of material from one side of the flume to another.

Abstract: A method of installing a vibratory shaker screen in a vibratory shaker, including placing a first end of the vibratory shaker screen in a retainer, wherein the retainer is one of attached and a component of the vibratory shaker; pivoting a second end of the vibratory shaker screen toward a screen installation position on the vibratory shaker, deflecting a tab on one of the vibratory shaker screen and the vibratory shaker through contact of the vibratory shaker screen to another retainer of the vibratory shaker, and connecting the vibratory shaker screen to the vibratory shaker, where the tab fixedly connects the vibratory shaker screen to the vibratory shaker.

Abstract: The invention relates to a screening element for screening and transporting grit material, for applying to a sanding device of a sanding apparatus for a vehicle. The screening element includes a plate element provided with a shaft-coupling mechanism, at least one through-opening, and at least one lug. The shaft-coupling mechanism is designed to couple the screening element to a shaft device of a rotary feeder of the sanding device. The through-opening is arranged in the plate element and is designed to guide grit material through the plate element. The lug extends transversely in relation to a main surface of the plate element, away from the plate element.

Abstract: Fibrous structures containing solid additives, and more particularly, fibrous structures containing two or more regions that comprise different average weight % levels of solid additives and methods for making same are provided.

Abstract: A lens and/or a view screen of an electronic device having at least one case can be cleaned by wiping the view screen with a cleaning component wherein the cleaning component is configured to selectively couple to the at least one case or some other substrate using a magnetic attractive force. The cleaning devices may have secondary applications such as securing fly fishing lures, activating or deactivating a device having a magnetic switch, or preventing sunglasses from sinking. They may also be manufactured without a cleaning component for use with the secondary applications.

Abstract: A mask glue removing apparatus includes a first plate including a plurality of nozzles to be adjusted at independent dispensing angles of each other and a head in which the plurality of nozzles are installed and configured to move the head close to a position corresponding to a region of a mask in which glue is present, adjust the dispensing angles of the plurality of nozzles to face the region in which the glue is present, and dispense a chemical liquid, rinse, or air through the plurality of nozzles to remove the glue, and a second plate on which the mask is placed and configured to adjust a position of a main body according to a removal process for the glue.

Abstract: The present disclosure relates to a docking apparatus for a mobile robot including a sterilization unit, which emits germicidal light to a floor cloth to sterilize the floor cloth, and which includes: a germicidal lamp which vertically overlaps with the floor cloth of the mobile robot, and emits the germicidal light to a front end thereof; a diffusing part for diffusing the germicidal light to a rear end of the germicidal lamp; and a converging part for converging the germicidal light to a rear end of the diffusing part.

Abstract: A method of removing trapped hydrocarbons from pipework, the pipework comprising a through pipe (1) extending from an inlet to an outlet, and at least one up-pipe (2a, 2b) extending upwardly from the through pipe. The method comprises: flushing the through pipe with a water-based liquid (6) which has a density less than hydrocarbons; wherein the water-based liquid comprises a plurality of rigid containers, such as microspheres, the rigid containers each having a sealed void containing a gas. in this way, hydrocarbons in the up-pipes may be removed without hot-tapping them. The flushing may be performed by directing pipeline pigs (5a, 5b) in front of and behind the water-based liquid. The pigs may be a cross-linked gel, based pipeline pig with elastomeric properties. A kit of parts for such a method is also disclosed.

Abstract: A controller associated with a machine may determine that a first subset of nozzles, of a plurality of nozzles of the machine, is to be cleaned. The controller may determine a first flow rate of the fluid through the first subset of nozzles and increase, based on determining that the first subset of nozzles is to be cleaned, the first flow rate of the fluid through the first subset of nozzles to a second flow rate of the fluid through the first subset of nozzles. The controller may decrease the second flow rate of the fluid through the first subset of nozzles to the first flow rate of the fluid through the first subset of nozzles when the first subset of nozzles is cleaned.

Abstract: There is provided a method of cleaning a film forming apparatus conducted after a film forming process by supplying a source gas and a reaction gas to produce a reaction product into a processing container to form a film of the reaction product on a substrate. The method includes: controlling, in the film forming process, a first film deposited in the processing container and a second film deposited in a source gas supply part to become different kinds of films; performing, after the film forming process, a cleaning process by supplying a cleaning gas having an etching selection ratio of the second film to the first film being greater than 1 so as to etch and remove the second film; and performing, after the cleaning process, a surface control process of making a surface state of the first film close to a state before the cleaning process was performed.

Abstract: A cleaning apparatus, method, and dry chamber are provided for cleaning a wafer carrier that holds wafers as part of a semiconductor fabrication process. The cleaning apparatus includes a wet chamber that receives the wafer carrier to be washed and a reservoir in fluid communication with the wet chamber. The reservoir stores a cleaning liquid that is introduced to the wafer carrier within the wet chamber during a washing operation, and a dry chamber is spaced apart from the wet chamber. The dry chamber receives the wafer carrier after the wafer carrier is washed in the wet chamber and holds the wafer carrier during a drying operation. A transport system transports the wafer carrier between the wet chamber and the dry chamber during a cleaning process.

Abstract: A roll state monitor device includes: rolling force detector configured to detect rolling force of a monitored roll selected from an upper roll set and a lower roll set; force variation value extractor configured to extract a rolling force variation value based on the rolling force for each rotation position of the monitored roll; and identification part configured to identify a roll eccentricity amount of the monitored roll by acquiring a plurality of accumulated values by accumulating separately for each rotation position of the monitored roll a value which is one of the rolling force variation value and a roll gap equivalent value calculated based on the rolling force variation value, and by dividing each of the plurality of accumulated values by a correction coefficient corresponding to a roll rotation amount.

Abstract: A cooling bar (1) for cooling rolled material (5) being moved in a transport direction (3) and in particular for reducing temperature differences in the temperature of the rolled material (5) transversely to the direction of transport (3). The cooling bar (1) has several full jet nozzles (11) by means of which a coolant beam of a coolant with an approximately constant jet diameter can be distributed to the rolling stock (5) in the direction of distribution (15). A cooling device has at least two cooling bars (1) of that type. The cooling bars extend transversely to a transport direction, one behind the other. Each cooling bar has a respective different pattern of jet nozzles and selection of applicable pattern of jet nozzles in their respective bars selectively cools the rolled material transversely to the transport direction.

Abstract: In the case of a caterpillar track drawing machine having a drawing die and a caterpillar track disposed behind the drawing die, which track comprises two drawing chains having drawing tools disposed on chain links of the drawing chains, it should be possible to align the drawing tools of at least one of the two drawing chains jointly with the respective chain link, perpendicular to the drawing line, so that the caliber range can be changed, in simple and operationally reliable manner, between two drawing recesses having different caliber ranges. The latter is also possible if two different drawing recesses of the second one of the two drawing chains are intended for a first caliber range for which the first drawing recesses for at least one of the two drawing chains are intended, or if the drawing recesses of a first one of the two drawing chains deviate from the drawing recesses of a second one of the two drawing chains.

Abstract: The manufacturing apparatus for a metal component includes: a preheating portion configured to locally induction-heat a metal plate; and a stamping portion configured to stamp the metal plate. The preheating portion includes a heating coil. The heating coil is arranged such that an axial direction of the heating coil is along a movement direction of the pressing portion and the heating coil faces, in the axial direction, an area where an amount of deformation is relatively large in a processing region of the metal plate to be stamped by the stamping portion. The heating coil is configured such that at least a part of the area where the amount of deformation is relatively large in the processing region of the metal plate is heated to a higher temperature than an area where the amount of deformation is relatively small in the processing region.

Abstract: A unitary forward mounting assembly for a bodymaker includes a unitary forward mounting body with a cradle portion, a first support arm portion and a second support arm portion. The cradle portion has a forward side, a rear side, a right side, and a left side. The first support arm portion is disposed at the cradle portion right side. The second support arm portion is disposed at the cradle portion left side.

Abstract: An apparatus for notching comprises a frame with a first stand, a second stand and a headpiece connecting the first stand and the second stand, wherein the stands are arranged to be offset along an x axis with respect to each other. Furthermore, the apparatus comprises a plunger, which is coupled to the headpiece and is movable along a punching axis extending along a y axis.

Abstract: A method of expanding an elongated and at least regionally planar metal element that has two respective marginal regions oppositely disposed and extending in a longitudinal direction and a central region arranged therebetween and including cuts, the marginal regions of the metal element are moved apart transversely to the longitudinal direction and in parallel with a planar extent of the metal element such that connection portions of the central region formed by the cuts and connecting the two respective marginal regions to one another are folded, the method includes displacing the two respective marginal regions with respect to one another transversely to the planar extent of the metal element to form a displaced state, and subsequently moving apart the two respective marginal regions in the displaced state.

Abstract: A strut including an elongated beam portion and a connecting end portion. The elongated beam portion is a tubular structure having an external circumference, the connecting end portion is integral with the elongated beam portion, has a folded and flattened end portion of the tubular structure, and where diametrically opposite inward fold lines meet between flattened parts the end portion of the tubular structure. The resulting connecting end portion includes four material layers and the connecting end portion has a width transverse to a longitudinal centerline of the connecting end portion.

Abstract: A system for performing necking operations on a can body includes a necker machine and a positioning system. The necker machine includes a frame; a processing arrangement having a plurality of components movable relative to the frame for performing the necking operations on the can body, and a drive motor having a shaft operatively coupled to the processing arrangement for moving the processing arrangement relative to the frame. The positioning system includes: an encoder associated with the drive motor for monitoring a rotational displacement of the shaft and a controller in communication with the encoder and the drive motor. The controller is structured and programmed to: receive an input from a user, the input being indicative of a desired movement of the processing arrangement relative to the frame, and to operate the drive motor using feedback from the encoder such that the desired movement of the processing arrangement is achieved.

Abstract: A high-speed and high-quality nail-making system is disclosed. The system includes an inner wheel, which is rotated by a motor and a power transmission unit and which clamps and transfers steel wire pieces, an outer wheel, which is passively rotated and which is eccentrically disposed outside the inner wheel so as to press the steel wire pieces at a punching portion, at which the outer wheel is positioned closest to the inner wheel, inner and outer wheel dies, which are mounted on the inner wheel and the outer wheel and which are positioned closest to each other at the punching portion so as to grip the steel wire pieces, a punching unit, which is rotated together with the inner wheel and which punches front ends of the steel wire pieces to form nail heads, and an ejector disposed between the inner wheel and the outer wheel so as to discharge the finished nail.

Abstract: A double-sided expanded plate riveting structure and a double-sided expanded plate riveting method are disclosed. By providing an upright portion, a bottom end of the upright portion is bent toward at least one side to form a folded portion, and at least one side of the folded portion partially extends beyond a plane corresponding to an outer side of an expanded structure for a press head to perform a pressing operation, which effectively avoids a bend and deformation of a double-sided expanded plate in the riveting process.

Abstract: A method for manufacturing a stabilizer, the stabilizer including a main body bar that is elastically deformable, and a pair of connecting plates that are separately connected to a pair of left and right suspension devices, the method including a forging step of forming the connecting plate by forging both end portions of a material tube, in which in the forging step, both end portions of the material tube are crushed in a radial direction to be formed into the connecting plate in a state where a sealing metal plate heated to a temperature equal to or higher than a melting point is disposed inside both end portions of the material tube heated to a temperature lower than the melting point.

Abstract: An investment mold slurry curtain apparatus includes a slurry curtain of a slurry fluid, the slurry curtain having a length and a thickness, the length substantially greater than the thickness. The apparatus also includes an outlet configured to dispense the slurry fluid and form the slurry curtain. The investment mold slurry curtain apparatus may include and be described as an investment mold slurry coating apparatus including a conduit configured to receive a flow of a slurry fluid and an outlet operatively coupled to the conduit, the outlet configured to dispense the flow of the slurry as a curtain of the slurry.

Abstract: An investment casting process for manufacturing a cast component is provided. The investment casting process includes forming a core, casting the cast component about the core such that a core positioning feature provides a location of an anticipated pilot hole in the cast component, removing the core from the cast component once the casting is completed, locating, forming and sizing a pilot hole to form a resized pilot hole that can receive a sealing plug and installing the sealing plug into the resized pilot hole.

Abstract: A core element of an investment core for use in a casting process used to produce an airfoil includes an investment core body, an extension connected to and protruding from the investment core body, and a connection portion connected to the investment core body and to the extension. The investment core body includes a ceramic material. A shape of the extension includes a tube with a centerline axis passing through a center of the extension. A shape of a cross-section of the extension taken along a plane perpendicular to the extension centerline axis includes an ellipse. The extension is connected to the investment core body by the connection portion.

Abstract: A method for producing a Cu—Ni—Sn alloy, which achieves both productivity and product quality by reducing internal cracks and dispersing Sn uniformly while shortening the time for cooling an ingot. The method for producing a Cu—Ni—Sn alloy is a continuous casting method or a semi-continuous casting method that includes pouring a molten Cu—Ni—Sn alloy from one end of a mold, both ends of which are open, and continuously drawing out the alloy as an ingot from the other end of the mold while solidifying a part of the alloy, the part being near the mold; performing primary cooling by spraying a liquid mist on the drawn-out ingot; and performing secondary cooling by immersing the ingot having been subjected to the primary cooling in a liquid, thereby making a cast product of the Cu—Ni—Sn alloy.

Abstract: A motor plate type coil forming apparatus forms a plate type coil wound on a stator of a motor by a squeeze casting method. In particular, the apparatus includes: i) a main frame including a lower frame and an upper frame; ii) a mold unit including a lower mold elastically connected to the lower frame to be movably installed in a vertical direction, and an upper mold movably installed in the upper frame in the vertical direction corresponding to the lower mold; and iii) a molten metal pressurizing unit including a plunger that is movably installed in the lower frame in a vertical direction corresponding to the lower mold. In particular, the lower mold may include a sleeve provided to be vertically coupled to the plunger, and a plurality of coil forming parts provided to form a cavity connected to the sleeve.

Abstract: A sheet for heat bonding, having a pre-sintering layer that becomes a sintered layer by being heated, and an adhesion layer.

Abstract: An object of the present invention is to provide an additively manufactured part with high temperature strength and high ductility that can be suitably used for hot forging even in the temperature range of 800° C. or more, and a manufacturing method therefor. The manufacturing method for the additively manufactured part in accordance with the present invention includes an additive manufacturing step of using composite powder containing ceramic and metal and having voids therein to form a composite material containing the ceramic and the metal by repeating steps of melting and solidifying the composite powder; and a remelting step of remelting the surface of the composite material.

Abstract: A method for manufacturing a sintered body having one or more hard constituents in a metallic binder phase, the method including the steps of forming a green body from a powder composition including at least the one or more hard constituents, the metallic binder phase, and an organic binder system, forming a pattern in a surface of the green body such as to provide a tag enabling individual identification of the green body, and sintering the green body with the tag to form a sintered body having a smaller volume than the green body. The pattern is formed such that the tag is readable after the sintering operation.

Abstract: Provided is a method for producing a sliding member formed by impregnating a porous base member made of a bronze-based alloy with a resin material, the sliding member including a sliding surface where both the porous base member and the resin material are exposed, the method including: a step of preparing a back metal layer; a porous base member formation step of forming the porous base member by depositing particles of the bronze-based alloy on a surface of the back metal layer and sintering the particles; an impregnation step of impregnating the porous base member with the resin material; a deformation step of deforming an end edge of the back metal layer in a direction away from the sliding surface; and a cutting step of cutting the porous base member impregnated with the resin material to form the sliding surface.

Abstract: Methods for fabricating an interconnect for a fuel cell stack that include providing a protective layer over at least one surface of an interconnect formed by powder pressing pre-alloyed particles containing two or more metal elements and annealing the interconnect and the protective layer at elevated temperature to bond the protective layer to the at least one surface of the interconnect.

Abstract: A high precision Interface Node is disclosed. The Interface Node includes an integrated structure including one or more complex or sophisticated features and functions. The Interface Node may connect with another component or a Linking Node. The Interface Node is manufactured to achieve high precision functionality while enabling volume production. Current additive manufacturing technologies allow for the printing of high precision features to be manufactured, but generally this is performed at a slower rate. Consequently, in one aspect, the size of the Interface Nodes is reduced in order to overcome at least part of the slower production volume caused by creating the high precision Interface Nodes. The components and Linking Nodes to which the Interface Node is connected may only have basic features and functions. Accordingly, this latter category of components may use a high print rate and thus high production volume.

Abstract: A method of titanium rod additive manufacturing may comprise: mixing a plurality of powdered metals comprising titanium, iron, vanadium, and aluminum to produce a powder blend; isostatic pressing the powder blend to form a billet having a cross-sectional profile; cutting the billet to form a rod feedstock having the first cross-sectional profile; loading the rod feedstock into an additive manufacturing machine configured to deposit the rod feedstock; and producing a metallic component from the rod feedstock.

Abstract: A method for additively manufacturing components includes additively printing a metallic preform such that the preform contains a predetermined amount of porosity. Furthermore, the method includes working the additively printed preform such that the preform incurs a predetermined amount of deformation. Moreover, the method includes heat treating the worked preform to form a final component.

Abstract: An embodiment of a method includes depositing a quantity of first intermediary material onto an electrically insulating substrate in a pattern corresponding to a desired pattern of a first conductive structure. The first intermediary material is adhered to the substrate to form a first intermediate layer to maintain the desired pattern of the first conductive structure. A quantity of a precursor of electrically conductive material is deposited generally along the pattern of the first intermediate layer. Energy is applied to enable migration and consolidation of the first electrically conductive material along the pattern of the first intermediate layer, forming a functional, electrically conductive top layer. At least one of the first electrically conductive material and its precursor has a wetting angle of less than 90° relative to the first intermediate layer, and a wetting angle greater than 90° relative to the substrate. At least one of the depositing steps is an additive deposition step.

Abstract: A cutting tool includes a substrate and a coating film, wherein the coating film has a first layer formed from a plurality of hard grains, the hard grains are made of TiSiCN having a cubic crystal structure, the hard grains have a lamellar structure in which a layer having a relatively high silicon concentration and a layer having a relatively low silicon concentration are alternately stacked, and a maximum value of percentage of number ASi of silicon atoms to a sum of the number ASi of silicon atoms and number ATi of titanium atoms in a grain boundary region between the hard grains, {ASi/(ASi+ATi)}×100, is larger than an average value of percentage of number BSi of silicon atoms to a sum of the number BSi of silicon atoms and number BTi of titanium atoms in the first layer, {BSi/(BSi+BTi)}×100.

Abstract: The present invention provides a cutting tool that can firmly hold four types of cutting inserts by one tool main unit. A cutting insert of a cutting tool 1 has an approximately triangular stereoscopic shape including three corner portions. A tool main unit has a fixing portion that can selectively fix a plurality of types of cutting inserts, including: a negative type cutting insert of which angle of the corner portion exceeds 60°, a positive type cutting insert of which angle of the corner portion exceeds 60°; a negative type cutting insert of which angle of the corner portion is less than 60°; and a positive type cutting insert of which angle of the corner portion is less than 60°. The fixing portion has a bottom face that contacts with a bottom face of the cutting insert, and a side wall face that contacts with a side face of the cutting insert. A portion, which contacts with the cutting insert, of the side wall face of the fixing portion differs depending on the type of the cutting insert.

Abstract: An elongated tool holder has a tool anti-vibration component constituting a mass housing portion provided with an enclosed interior cavity, and an anti-vibration arrangement occupying the enclosed interior cavity. The anti-vibration arrangement includes two vibration absorbing masses disposed within the holder cavity and elastically suspended therein by at least three resilient suspension members contacting an inwardly facing cavity wall surface. The two vibration absorbing masses are made from different materials and have different lengths. A cutting tool is provided with the tool holder.

Abstract: The invention relates to a hydraulic expanding chuck for gripping a tool, for example a drill or a milling tool, comprising: a clamping part having an expansion sleeve having a central receiving opening for receiving and clamping the tool; and a connection part, in particular having a HSK connection. According to the invention, the expansion sleeve has at least two pressure chambers, which are designed to run around the central receiving opening, which are arranged at an axial distance relative to one another, and which can bulge when the tool received in the central receiving opening is subjected to fluid pressure. The at least two pressure chambers are connected to one another by a fluid channel.

Abstract: The invention provides a strength-boosting drill chuck comprising a drill body, a nut and a clamping claw, which the nut and the clamping jaw forms a threaded connection, and the drill body is provided with an inclined clamping claw hole for the clamping claw to slide forward and backward along the clamping claw hole; wherein the drill chuck is provided with a strength-boosting structure of the connecting force of the nut clamping claw, which is provided with a liquid plastic component, and the structure for exerting force and transmitting force to the liquid plastic component, which enables the force on the liquid plastic component to be transmitted to the nut. The invention can use the liquid plastic component to transmit force, greatly enhance the binding force between the nut and the clamping claw, and increase the force to resist the reverse force and the inertia force.

Abstract: An apparatus for the formation of a channel in a workpiece located at a first face of a base of the body of the apparatus, the channel formed by a drill assembly of the apparatus connected to drive means located on a second opposing side of the base, the drill assembly and drive means mounted so as to be movable in a guided manner with respect to the base. The movement is achieved by manual movement of a gripping means of an actuation means of the apparatus with respect to the base, so as to cause one or more flexible connecting members of the actuation means which are positioned intermediate the gripping means and drill assembly to move and advance the drill assembly towards the workpiece. The channel is formed in accurate manner which then allows the same to receive securing means typically to allow a joint between first and second workpieces to be accurately formed.

Abstract: A cutting insert has a plate shape centered on an insert center axis. The cutting insert includes a front surface and a back surface facing an insert axial direction, an outer peripheral surface facing outward in an insert radial direction, and a cutting edge at an intersecting ridge line between the front surface and the outer peripheral surface. The back surface has a flat shape perpendicular to the insert center axis. The outer peripheral surface includes a flank surface coupled. The flank surface is inclined inward in the insert radial direction as extending in the insert axial direction from the front surface side to the back surface side. The front surface includes a rake surface. The rake surface is inclined from a back surface side to a front surface side in the insert axial direction as extending inward in the insert radial direction from the cutting edge.

Abstract: A cutting tool including a toolholder and a round cutting insert for mounting on a pocket floor of the toolholder. The toolholder includes the toolholder pocket floor having a bore therein and a plurality of grooves in the pocket floor arranged radially about the bore, wherein adjacent grooves are radially offset by a groove offset angle x. The round cutting insert includes an upper surface having a cutting edge, a lower surface opposite the upper surface, an exterior side surface between the upper surface and the lower surface, an interior side surface defining an aperture extending from the upper surface to the lower surface, and a plurality of lugs arranged radially about the aperture, wherein adjacent lugs are radially offset by a lug offset angle y, and wherein a ratio of y:x is an integer greater than or equal to 2.

Abstract: A worktable (100), having: a left slot grid (102); a right slot grid (104) secured to the left slot grid; and a center slide (106) configured to be adjustably positionable between the left slot grid and the right slot grid.

Abstract: A blade clamp, for use with a power tool having a reciprocating spindle, includes a cover rotatably coupled to the spindle and a detent received within a bore of the spindle. The detent is movable in a radial direction relative to a longitudinal axis of the spindle to adjust the blade clamp between a locked configuration and an unlocked configuration. The cover is rotatable between a first rotational position relative to the spindle coinciding with the locked configuration, and a second rotational position relative to the spindle coinciding with the unlocked configuration. The blade clamp further includes a sleeve in which the detent is slidably received. The sleeve includes a non-corrosive material for inhibiting corrosion of the detent.