Abstract: A turning machine for producing non rotationally symmetric surfaces of synthetic spectacle lenses, having a support plane E, a machine bed made of cast iron with a width b1 and a mass m1, a linear motor with an actuator comprising a turning tool holder and an oscillation axis Z, a workpiece spindle with a rotational axis C and a movement axis X, wherein the machine bed has at least two bearing surfaces arranged at a distance for the linear motor and for the workpiece spindle, and between the two bearing surfaces, a chip space is provided which is limited at least partially by the machine bed, wherein the linear motor is supported on the first bearing surface and the workpiece spindle is supported on the second bearing surface in relation to the chip space opposite the linear motor, wherein the mass of the machine bed has the maximum value m1, and the value m1 lies between 100 kg and 500 kg, between 150 kg and 300 kg, between 170 kg and 200 kg or 180 kg.

Abstract: A precision machining system with a variable projected machining width of the cutting surface of the machining tool, including: a workpiece holder to hold a workpiece; a machining tool holder to hold the machining tool such that the Z axis is substantially parallel to the tool's centerline; a Z translation stage and an X translation stage each coupled to one of the workpiece holder or the machining tool holder; a workpiece spindle coupled to the workpiece holder to rotate the workpiece about the workpiece axis that is parallel to the Z axis; a machining path controller electrically coupled to the X translation stage and the workpiece spindle; and a tool spindle coupled to the machining tool holder. The tool spindle rotates the machining tool about the centerline of the machining tool, which varies the width of the cutting surface of the machining tool projected perpendicular to the machining path.

Abstract: During the machining of workpieces, in particular dynamic loads act on the cutting tools in addition to the static loads. This leads to chipping at the cutting edges of the cutting elements and thus to the destruction of the cutting element with the possible consequence that the workpieces is damaged and thus becomes useless.

Abstract: There is provided a method of manufacturing an optical element having a circular portion and at least one annular zone formed thereon, the circular portion having a circular profile and centered about an optical axis as viewed from a direction of an optical axis, the annular zone having an annular zonal face and a boundary wall face formed concentrically around a periphery of the circular portion, and the boundary wall face linking between the circular portion and the annular zonal face. The method is performed by rotating a workpiece about a rotation axis corresponding to the optical axis, and allowing a sharply pointed front end of a tip to prick the workpiece to a portion corresponding to an angled portion defined by the annular zonal face and the boundary wall face so that the annular zonal face is formed by side edges of a rake face of the tip.

Abstract: A cutting head assembly holds a pair of tool bits for an on-vehicle brake disk lathe having a platform. The cutting head assembly has a platform key fixed to the platform and extending parallel to a brake disk axis of rotation. The cutting head assembly also has a plate having a plate keyway that slidably engages the platform key. Tool bit arms are adjustably mounted to the plate and support the tool bits. A locking structure connected to the plate locks the platform key with respect to the plate keyway, and the interaction of the locking structure with the plate and the platform key creates a compressive load between the plate and the platform as the platform key is locked with respect to the plate keyway.

Abstract: An object is to provide a vibration suppressing cutting tool which is inexpensive and can damp chattering extremely effectively, and which is simple in structure and is applicable to a wide variety of machining diameters and cutting conditions. The shank 2 of the holder 1 is formed with a pocket 4. In the pocket 4, a vibration suppressing piece 5 is received so as to be movable relative to the holder 1 and not protrudable from the pocket 4. Under kinetic energy from the holder during cutting, the vibration suppressing piece 5 alternately knocks against a pair of opposed inner wall surfaces 4a and 4b of the pocket along its surface, along a plurality of lines or on a plurality of points when the holder vibrates during cutting, thereby damping vibrations of the holder.

Abstract: A high bandwidth rotary fast tool servo provides tool motion in a direction nominally parallel to the surface-normal of a workpiece at the point of contact between the cutting tool and workpiece. Three or more flexure blades having all ends fixed are used to form an axis of rotation for a swing arm that carries a cutting tool at a set radius from the axis of rotation. An actuator rotates a swing arm assembly such that a cutting tool is moved in and away from the lathe-mounted, rotating workpiece in a rapid and controlled manner in order to machine the workpiece. One or more position sensors provides rotation and position information for a swing arm to a control system. A control system commands and coordinates motion of the fast tool servo with the motion of a spindle, rotating table, cross-feed slide, and in-feed slide of a precision lathe.

Abstract: A tool clamping device having a tool holder (2) holding a tool (7, 8) for insertion into a socket of a tool support (1), such as a turret disc is designed such that a receiving body (16) of the tool holder and the tool support (1) have bearing surfaces (16, 3) to be arranged to one another and devices (14, 15) for fastening the tool holder on the tool support. The receiving body or the tool support has at least one stopping means (28), which projects axially over its bearing surface and is disposed on one side of the receiving body or tool support. The tool support or the receiving body has at least one contact surface for the stopping means. There is provided elastic means (36, 44) by means of which the stopping means can be laterally held in place on the contact surface under prestress.

Abstract: A holder 1 has a shank portion 2 provided with a pocket 4 having the shape of a nearly rectangular solid. The pocket 4 is placed at a position relatively close to the tip of the tool. In the cross section of the shank, the pocket 4 has a width of 50% to 100% of the shank diameter or width, a height of 20% to 50% of the shank height, and a length of 50% to 250% of the shank diameter or height. A weight 5 is inserted into the pocket 4 such that the weight is movable but unable to rush out. The weight 5 has the shape of a nearly rectangular solid and is made of a material having a specific gravity comparable to or greater than that of the material of the shank portion.

Abstract: A method for pre-scribing a workpiece to facilitate chip breaking when machining the workpiece on the same machine with the same tooling used for cutting, utilizing an invokable CNC cycle of the CNC machine completing the workpiece machining.

Abstract: A tool for chip removing machining comprising a tool head, which is provided with insert seats for the receipt of replaceable cutting inserts as well as a fastening part intended to be received in a machine tool. The tool has at least two chip pockets, in each one of which two replaceable cutting inserts are arranged, the two cutting inserts arranged in each chip pocket being intended for different types of machining and having the active surfaces thereof opposite each other. Furthermore, the two cutting inserts arranged in a common chip pocket have their axially furthermost portions located at different levels in the axial direction of the tool. The two cutting inserts for turning are located in different chip pockets and have their axially furthermost portions thereof located at different levels in the axial direction.

Abstract: A highly dynamic lens processing machine with a machine bed having at least a first tool holder and one workpiece holder with an axis of rotation and including a workpiece spindle arranged thereon. The first tool holder includes at least one dynamic linear drive with a first oscillation axis which runs parallel to the axis of rotation. The workpiece holder includes at least one dynamic linear drive in the direction of a second oscillation axis which is arranged parallel to the first oscillation axis.

Abstract: A device and method for vibration control in a machine for cutting, said machine comprising a cutting tool supported by a tool holder. The device comprises a control unit and converting means which are connectible to the control unit and comprise a vibration sensor and an actuator. The actuator comprises an active element which converts an A.C. voltage supplied by the control unit to the actuator into dimensional changes. Said active element is adapted to be embedded in the body of the tool holder and in such manner that said dimensional changes impart bending to the body of the tool holder.

Abstract: A precision tool holder for precisely positioning a single point cutting tool on 4-axis lathe, such that the center of the radius of the tool nose is aligned with the B-axis of the machine tool, so as to facilitate the machining of precision meso-scale components with complex three-dimensional shapes with sub-?m accuracy on a four-axis lathe. The device is designed to fit on a commercial diamond turning machine and can adjust the cutting tool position in three orthogonal directions with sub-micrometer resolution. In particular, the tool holder adjusts the tool position using three flexure-based mechanisms, with two flexure mechanisms adjusting the lateral position of the tool to align the tool with the B-axis, and a third flexure mechanism adjusting the height of the tool. Preferably, the flexures are driven by manual micrometer adjusters. In this manner, this tool holder simplifies the process of setting a tool with sub-?m accuracy, to substantially reduce the time required to set the tool.

Abstract: A boring bar has a shank having a cutter support head at one end. A flow passage extends to the cutter support head and intersects a transverse flow passage that is defined in part by a clamp screw passage of the head. A metal cutting insert is clamped to the cutter support head by a clamp that is secured by a clamp screw being threaded into the clamp screw passage. The clamp screw defines an internal or external passage that communicates with the internal coolant fluid passage and completes a coolant distribution circuit. The clamp defines an internal coolant fluid passage having a discharge opening located and oriented to direct a jet of coolant fluid onto the metal cutting insert immediately at the site of cutting engagement within the rotating workpiece. The cutter support head also has a passage and chip removal jet nozzle that orients a jet of coolant fluid adjacent the cutter insert for remove metal chips during machining.

Abstract: A cutting tool apparatus having a shank and a tool support extension disposed longitudinally adjacent the shank and extending in a direction distal the shank, wherein the tool support extension includes an incurvate taper profile.

Abstract: A machine tool includes a tool spindle head for supporting a first side of a hob via an arbor, a turret, and a tool supporting unit including a movable section and a fixed section. The fixed section is fixedly mounted to the turret and slidably supporting the movable section. The movable section includes a support member for rotatably supporting a second side of the hob. The movable section further includes a first holding member holding the support member rotatably, second holding members holding the first holding member rotatably about an axis which extends perpendicularly to the rotation axis of the support member, and a slide member provided along the second holding members and fitted to a slide guide formed at the fixed section. When the tool supporting unit is positioned at a predetermined tool holding position, the movable section is capable of advancing and retreating in the Y-axis direction.

Abstract: A high bandwidth rotary fast tool servo provides tool motion in a direction nominally parallel to the surface-normal of a workpiece at the point of contact between the cutting tool and workpiece. Three or more flexure blades having all ends fixed are used to form an axis of rotation for a swing arm that carries a cutting tool at a set radius from the axis of rotation. An actuator rotates a swing arm assembly such that a cutting tool is moved in and away from the lathe-mounted, rotating workpiece in a rapid and controlled manner in order to machine the workpiece. A pair of position sensors provides rotation and position information for a swing arm to a control system. A control system commands and coordinates motion of the fast tool servo with the motion of a spindle, rotating table, cross-feed slide, and in-feed slide of a precision lathe.

Abstract: Method and apparatus for adjusting the position of a cutting tool. In one embodiment, a boring tool includes a coupling member which is driven by a CNC boring machine, and a sliding tool holder which is slidably coupled to the coupling member. A frictional force resists sliding movement of the cutting tool holder. The frictional force is sufficient to retain the position of the cutting tool during machining operations. However, the frictional force is insufficient to resist a lateral force applied parallel to the direction of sliding, as used during adjustment of the tool position. In another embodiment, either a surface of the sliding tool holder or a surface of a frictional member are contoured with a shape that corresponds to a desired contour of a sidewall of a hole. During machining, a follower in contact with the contoured surface causes the cutting tool holder to slide laterally during machining, thus contouring the sidewall of the hole.

Abstract: The tool exhibits a first tool part (2) and a second tool part (3), which possess a common axis of rotation (A). The first tool part (2) is provided with an alignment pin (4) and exhibits at its root an annular surface (5). The second tool part (3) possesses an axial bore (7) to receive the alignment pin (4) and an annular surface (6), which is capable of being tensioned against the annular surface (5) of the first tool part (2). Tensioning means (8, 9, 10) serve for the axial tensioning of the two tool parts (2, 3) to one another. The tensioning means (8, 9, 10) exhibit three retaining screws (8, 9, 10) arranged distributed around the periphery of the second tool part (3), which retaining screws are each screwed radially into a threaded bore (12, 13, 14) of the second tool part (3) and each engage in a radial bore (21, 22, 23) of the alignment pin (4).

Abstract: An apparatus is disclosed for releasably holding a toolholder shank having a lockable surface and a releasable surface utilizing an actuating bolt with an associated threaded actuating nut. When the actuating bolt is rotated in a locking direction, the actuating nut is drawn onto the bolt thereby clamping against the lockable surfaces of the toolholder shank. When the actuating bolt is rotated in the releasing direction, a releasing segment acts upon the toolholder thereby ejecting it from the tool support member.

Abstract: A holder (20) for a cutting insert (12), which includes a head (22) with a pocket (24) for holding the cutting insert and a bar device (26) for supporting the head, allows the use of a removable head for a miniature head and bar device that fits into a small hole in a workpiece, and allows rapid and easy replacement of the head. The head has a front part (42) of small height for holding the cutting insert and has a taller rear part (40) of the same height as the bar device. The head rear part has a screw-receiving hole (56) that extends at a downward-rearward incline (A) into a corresponding threaded hole (62) at the front of the bar device. The head and bar device respectively have a recess (70) and a projection (74) that lie around the screw-receiving holes and that align the head and bar device. A coolant passageway system (92) in the bar device provides coolant for both right and left hand heads.

Abstract: An arrangement for reducing vibrations in a tool holder (4) with a cutting tool (3) and has a vibration sensor on the tool holder (4) that is connected to a guide unit (11). The tool holder (4) has further two piezo-electric actuators 14 and 15. Under the influence of the vibration sensor (9), the guide unit (11) provides an electric alternating current that is actively guided over time so that the actuators movably affect the tool holder (4) to reduce the vibrations in this. To also be able to dampen transients in the tool holder (4) this is movably connected with a passive dampening arrangement that is independent of the guide unit (11) and that is based on the principle of a springing (8) suspended mass (7). The invention also relates to a method for reducing vibrations. The vibrations in the tool holder are sensed and a corresponding signal is provided to a guide unit that over time provides actively guided signals to the actuators.

Abstract: A hollowing system for a lathe having a tool rest. The hollowing system comprises a boring member, and a stabilization assembly. The boring member is adapted to support a tool such that at least one of the boring member and the tool extend past and engage the tool rest. The stabilization assembly is mountable adjacent to the lathe. The stabilization assembly supports the boring member such that the boring member extends generally parallel to a longitudinal axis of the lathe. The stabilization assembly has a vertical axis and a horizontal axis. The stabilization assembly is adapted to prevent downward movement of the tool when the stabilization assembly is mounted adjacent to the lathe and the tool is positioned on the tool rest. The stabilization assembly is provided with an articulation assembly.

Abstract: The invention concerns a cutting head (13) to be secured in an adapter (9) in a machine tool for chip removing machining. The cutting head (13) comprises a flange with a first side creating a coupling surface (4) adapted for being secured to the adapter (9). On the opposite of the flange, it is situated an other side creating at least one surface (1A) with an outwards extending protrusion (8), with securing means adapted for securing a cutting insert (5) with at least one cutting edge. The weight of the cutting head (13) is reduced as compared to the strength of the cutting head (13), and the natural frequency of the cutting head (13) is thereby increased when this is secured to the adapter (9).

Abstract: A toolholder has a conventional square shank body with a pocket extending downwardly from the top surface of the body so that the cutting tip of an insert mounted within the pocket is positioned below the top surface of the square shank body. This permits the pocket to have a back wall through which coolant may be introduced and directed against the cutting insert. Typically, the cutting tip of a conventional square shank toolholder is aligned with the top surface of the toolholder. Additionally, a toolholder assembly is disclosed which includes a plurality of such toolholders.

Abstract: A zero centerline toolholder assembly includes a cutting insert mounted to a toolholder. The center, RC, of the nose radius of the cutting insert is aligned with or lies on a centerline, LT, of the toolholder. The centerline, LT, of the toolholder may be also aligned with a rotational axis, CT2, of a tool spindle. The tool spindle is tilted at an angle with respect to an axis, P, that is substantially perpendicular to a longitudinal axis, LW, of a work piece. As a result of the zero centerline configuration, the radial component of the torque load on the toolholder is virtually eliminated. In addition, the toolholder assembly has a shorter tool length, thereby reducing deflection load on the toolholder.

Abstract: It is one object of a hale-machining method and apparatus thereof according to the present invention to achieve an easy preparation of an NC machining program and perform a high geometrical accuracy in the predetermined three-dimensional free curved surface. A haling tool 34 is set on a tool holder 32 in such a manner that a cutting point P of the haling tool 34 is substantially coincided with an intersection of a first rotating axis B, a second rotating axis A and a third rotating axis C. A rotary table 16 and a rotary base 24 are rotated in such a manner that a tool axis direction of said haling tool is substantially coincided with a normal direction of said machined surface. A tool holder 32 is rotated in such a manner that a front rake surface of the haling tool 34 is substantially directed in perpendicular to a feeding direction of said haling tool 34.

Abstract: A column (4) is provided with a hanging jig (holding mechanism) (50) for holding an unclamping apparatus (30) and a spindle head (15) is made to be able to move in an up and down direction by itself by removing a bolt (43) in a state of hanging to hold the unclamping apparatus (30) by the hanging jig (50).

Abstract: A vibration damping tool having the following structure is provided. In the vibration damping tool, a hollow portion is formed in the interior of the distal end portion of a tool body and one end of a weight member is connected to the inner wall surface of the distal end side of this hollow portion. A gap created between the outer peripheral surface of the weight member and the inner wall surface of the hollow portion is filled with a visco-elastic body. The one end of the weight member is formed as a narrow diameter shaft portion. The tool body can be divided into two and freely removed from and reattached at a dividing surface located on the base end side of the hollow portion. A hole portion is formed inside the other end of the weight member by hollowing out the interior thereof. Chatter vibration is thus absorbed using a simple structure without there being any effects from heat generated during cutting processing.

Abstract: A cutter holder for CNC lathe is disclosed to include a bottom holder block, which is affixed to the frame of a CNC lathe with screws and has a positioning groove with a middle semispherical recess for holding a barrel that holds a tool shank with a front chuck for holding a cutting tool, and a top holding down block, which is detachably affixed to the bottom holder block with screws to hold down the barrel and has a semispherical bottom recess fitting the spherical middle flank portion of the barrel corresponding to the middle semispherical recess of the bottom holder block.

Abstract: A tool clamping device for a tool having a shaft which is accurate to size and which can be inserted into the receiving bore of a tool support, is provided with a clamping device which can be screwed on a screw thread of the tool support while the tool has a ring, which is arranged radially protruding in a clamping area. The ring extends in the circumferential direction and, with the shaft of the tool inserted into the receiving bore, the clamping device is axially supported against the ring (FIG. 2).

Abstract: A toolholder assembly for releasably holding a toolholder at a selected radial location within the toolholder assembly. The toolholder assembly includes a tool support member, an actuating bolt and an actuating centering nut. Rotation of the actuating bolt in a locking direction centers the actuating centering nut, actuating bolt and the toolholder with respect to the radial axis of a bore within the tool support member.

Abstract: The present invention is to provide a machining tool bar in which mechanical machining properties are improved by using high stiffness composite material. According to the present invention, the tool bar includes an adaptor constructed to be coupled to a driving device, a body constructed to be mounted with cutting tools and a tip constructed to be supported by a workpiece, said body is constructed to be mounted with one or more cutting tools, wherein the adaptor and tip are made of metal material, the body is made of composite material having high stiffness, the composite material constructing the body is formed to surround at least a portion of the adaptor and at least a portion of the tip, and the metal material constructing the adaptor and tip and the composite material constructing the body are securely joined to each other in an interface therebetween.

Abstract: A drill for working in metallic materials includes a tool body having located in its front end at least one cutting insert, wherein the tool body is provided with one or several damping elements mounted such that during machining, a relative movement (i.e., sliding and/or deformation) of the tool body and the damping element is allowed to occur.

Abstract: A tool for chip removing machining includes a holder and a tool head removably attached to the holder by screws. The head, which carries at least one cutting insert, has a serrated surface mated with a serrated surface of the holder. Those serrated surfaces define an interface between the holder and the head which is oriented at a 45 degree angle with respect to a basal plane extending through the holder and containing a longitudinal axis thereof.

Abstract: A hollowing system for a lathe having a tool rest. The hollowing system comprises a boring member, and a stabilization assembly. The boring member is adapted to support a tool such that at least one of the boring member and the tool extend past and engage the tool rest. The stabilization assembly is mountable adjacent to the lathe. The stabilization assembly supports the boring member such that the boring member extends generally parallel to a longitudinal axis of the lathe. The stabilization assembly has a vertical axis and a horizontal axis. The stabilization assembly is adapted to prevent downward movement of the tool when the stabilization assembly is mounted adjacent to the lathe and the tool is positioned on the tool rest. The stabilization assembly is provided with an articulation assembly.

Abstract: A non-rotary cutting tool which is to be moved relative to a workpiece in a predetermined direction for cutting the workpiece, with its rake face being held substantially perpendicular to the predetermined direction. The cutting tool includes (a) a generally cylindrical shank portion, and (b) a generally semi-cylindrical body portion which has an outer circumferential surface constituted by the rake face and a semi-cylindrical surface. The semi-cylindrical body portion has a cutting edge which is defined by an edge of the rake face and which is covered with a diamond coating. Also disclosed is a process of machining a scroll member of a scroll compressor by using this non-rotary cutting tool.

Abstract: A method for controlling an automatically operated lathe provided with at least one spindle and at least one tool rest includes the following steps. First, each of a plurality of transfer position data required in a sequence of machining programs in connection with at least one spindle and at least one tool rest is provided in a form of either one of two types of transfer position data, one of which is cam-reference data directing a transfer position as a function of a cam rotation quantity and the other is time-reference data directing a transfer position as a function of an elapsed time. Next, a time-series allocation of the cam-reference data and the time-reference data is designated in the sequence of machining programs. Then, the cam-reference data and the time-reference data are processed in accordance with the time-series allocation, so as to control a relative feed motion between at least one spindle and at least one tool rest in the sequence of machining programs.

Abstract: A method for controlling an automatically operated lathe, provided with at least one spindle and at least one tool rest, includes the following steps. First, each of a plurality of transfer position data required in a sequence of machining programs in connection with at least one spindle and at least one tool rest is provided in a form of a cam-reference data directing a transfer position as a function of a cam rotation quantity. A plurality of pulse-train generating sources, each of which generates any pulse train, is also provided. Next, with regard to each of the plural transfer position data, a pulse-train generating source for generating a pulse train defining the cam rotation quantity as one component of the cam-reference data is designated, with the pulse-train generating source being selected from the plural pulse-train generating sources.

Abstract: A cutting tool apparatus having a shank and a tool support extension disposed longitudinally adjacent the shank and extending in a direction distal the shank, wherein the tool support extension includes an incurvate taper profile.

Abstract: The machine tool support apparatus includes an elongate bar member that comprises a mounting portion and a collet portion. The mounting portion is releasably attachable to a machine mount of a turning machine. The collet portion includes a main aperture that extends therethrough. A collet retaining assembly selectively receives a plurality of collet assemblies which are releasably attachable to the bar member and secure machine tools to the machine mount during a machining operation. A retaining pin restricts rotational movement of each of the collet assemblies with respect to the bar member. A positioning assembly selectively positions the bar member along a longitudinal axis of the bar member with respect to the machine mount. A coolant assembly applies coolant to the machine tool during a tooling operation. A lubrication assembly permits selective lubrication of the main aperture of the collet portion and the positioning assembly.

Abstract: An apparatus is disclosed for releasably holding a toolholder shank having a lockable surface and a releasable surface utilizing an actuating bolt with an associated threaded actuating nut. When the actuating bolt is rotated in a locking direction, the actuating nut is drawn onto the bolt thereby clamping against the lockable surfaces of the toolholder shank. When the actuating bolt is rotated in the releasing direction, a releasing segment acts upon the toolholder thereby ejecting it from the tool support member.

Abstract: There is provided a machine tool apparatus provided with coolant supply passages for supplying a coolant in tools or tool mounts for mounting the tools. An oil coated water droplet generator/mixer is connected to the beginning end of the coolant supply passages, and a spray port having a smaller inner diameter than that of the coolant supply passages is connected to the termination end of the coolant supply passages such that the oil coated water droplets generated in an atomized state by the oil coated droplet generator/mixer flow in a liquid state through a coolant supply passages while having a droplet shape on a surface of which in the greater part of oil coated water droplets an oil film is formed and are sprayed again in an atmized state from the spray port.

Abstract: A device for positionally-accurate accommodation of at least one secondary member on a carrier, such as a toolholder on a turret disc, comprises of adjustable locating means for positionally-accurate adjustment of the secondary member relative to the carrier. The locating means comprise of a bearing surface (24), which is laterally arranged on the carrier in the vicinity of its seat-engaging surface and which are arranged on a locating member that is adjustable relative to the carrier by means of adjusting means (30). Moreover the secondary member (17) comprises of stopping means, which are similarly allocated to the locating member in the vicinity of its seat-engaging surface (170) and which, when a secondary member is mounted on the seat-engaging surface of the carrier, are held in contact with the stopping face with prestress.

Abstract: Systems and methods for monitoring buildings to detect harmful chemical or biological agents. Self-propelled harmful agent detectors are provided that can propel themselves using motors and self-contained power sources. On-board harmful agent sensors can detect the presence of harmful agents and transmit information for reception by a receiving unit. Some sensors can identify the type of agent and transmit the agent type. Some detectors can measure the intensity or concentration of the harmful agent presence and transmit that intensity. Some systems include locating devices for determining positions of the roaming detectors, as well as mapping software to map the location of the individual moving detectors. Systems may include software for plotting the relative concentrations of agents detected to locate the origination of the source within the building.

Abstract: A high bandwidth rotary fast tool servo provides tool motion in a direction nominally parallel to the surface-normal of a workpiece at the point of contact between the cutting tool and workpiece. Three or more flexure blades having all ends fixed are used to form an axis of rotation for a swing arm that carries a cutting tool at a set radius from the axis of rotation. An actuator rotates a swing arm assembly such that a cutting tool is moved in and away from the lathe-mounted, rotating workpiece in a rapid and controlled manner in order to machine the workpiece. A pair of position sensors provides rotation and position information for a swing arm to a control system. A control system commands and coordinates motion of the fast tool servo with the motion of a spindle, rotating table, cross-feed slide, and in-feed slide of a precision lathe.

Abstract: A boring bar holder is provided. The boring bar holder is for use with a computer numerically controlled (CNC) machine. The boring bar holder has a base block assembly, the base block assembly has a first end and a second end, and between the ends, a semibore transverses one side of the base block assembly, a top or second block assembly, the top or second block assembly has a first end and a second end, and between the ends, a semibore transverses one side of the top or second block assembly, and at least one securing member disposed on each side of the semibores in each block assembly for securing the base block assembly to the top or second block assembly and the block assembly to the CNC machine, such that a bar engaged between the blocks in the bore is engaged with a precise, constant pressure and compression for securing the bar in the boring bar holder.

Abstract: A millin tool holder includes a tool holder body having a tool shank opening. The tool shank has an annular shoulder seated on a shoulder on the tool holder. A pair of confronting slots form an opening for receiving a pin which prevents the tool head from rotating with respect to the body.

Abstract: This fiber chopper overcomes the disadvantages of the previous cutting rollers for chopping continuous filaments. The apparatus includes a means for feeding continuous fibers to a vibrating cutting blade. The vibrating blades engage the continuous fiber and chops them into discrete fiber lengths. A vibrating head vibrates the cutting blades through a vibrating table.