Abstract: An apparatus for effecting penetration and mass transfer at a penetrable situs, comprising: (a) a penetration member constructed and arranged for movement between (i) a first position disengaged from the penetrable situs, and (ii) a second position engaged with the penetrable situs to form a penetration opening in the penetrable situs communicating with an interior region thereof; (b) a motive driver for selectively moving the penetration member between the first position and second position; and (c) a mass transfer assembly (i) selectively engageable with the penetration opening in the penetrable situs, after formation thereof by the penetration member in the second position and subsequent movement of the penetration member by the motive driver to the first position, and (ii) constructed and arranged to effect mass transfer through the penetration opening between the interior region of the penetrable situs and a locus exterior to the penetrable situs, when the mass transfer assembly is engaged with the penet

Abstract: An end effector adapted for attachment to and accurate positioning by a robot is provided for positioning a channel-shaped workpiece at a desired position and drilling an accurately located positioning hole in the workpiece. The end effector includes a conventional speeder unit with a Morris taper that can be grasped by the robot and rotated for transfer of torque to the speeder unit. A top plate is attached to the speeder unit and has a central opening to receive a drill collet extending downward from said speeder unit for drilling the holes in the workpiece. A base plate is connected to the top plate by guide rods which are pressed into bores in the base plate and extend through linear bearings in the top plate for self-parallel movement relative to the top plate. A pair of nuts mounted on the top plate is threadedly engaged with a pair of lead screws connected to the base plate so that vertical movement of the base plate will push the lead screws through the nuts and rotate the lead screws.

Abstract: A coolant system is disclosed for use with a machine tool in which coolant is used to both cool and lubricate a workpiece and cutting tool. The system of the present invention utilizes a positive displacement pump with one or more spray nozzles each having a restricted orifice whereby the coolant is sprayed from the nozzles at a relatively high velocity and pressure enabling the coolant to be precisely directed to the cutting location to provide optimum cooling and lubricating of the workpiece and cutting tool. Check valves are provided for both the pump inlet and outlet lines to maintain the pump in a primed condition and prevent drainage of coolant from the coolant system when the pump is not operating.

Abstract: A clamp head of numerically controlled cutting tool comprising front and rear sleeves and a main shaft. The rear sleeve is provided with a channel, while the tapered main shaft is composed of oil groove and hole. The front and the rear sleeves and the main shaft are united as a unitary body. The front and the rear sleeves are further provided with a nozzle apparatus permitting the coolant to be injected with precision on the working point.

Abstract: An apparatus for suctioning chips cut by a drill, mist lubrication of the drill, and cooling the coil of an electromagnetic riveter includes a movable shuttle body having a drill/suction cavity open at the top to receive a drill dit, and having a tapered opening at the bottom through which the drill descends to drill a hole in a workpiece clamped by a pressure foot attached to a carrier in which the shuttle body slides. A port opening in the side of the cavity is connected to a vacuum hose through which drill chips cut by the drill bit are suctioned away from the workpiece as they are made. A second port opening in the side of the cavity aligns with a nozzle through which mist lubrication is blown on the drill bit before it starts drilling, and through which air is blown into the cavity to swirl the chips as they are being cut by the drill to facilitate their removal through the vacuum port. The coil of an electromagnetic riveter is cooled by conduction to a transducer with which the coil is in contact.

Abstract: A saw member is arranged to receive a manifold housing in securement about a saw member housing, with the manifold including a directional conduit directed into the manifold oriented at a cutting line to remove sawdust from the cutting line for enhanced visibility during a cutting procedure utilizing the saw member. The manifold housing is arranged with apertures in confronting relationship to vent openings of the saw member, or may optionally include in addition to the apertures a blower motor assembly in the absence of vent apertures of the saw member to direct pressurized air through the directional conduit.

Abstract: A coolant supply system for a machine tool comprises a coolant source; a nozzle for directing coolant to inside of a workpiece from the coolant source; another nozzle for directing coolant to outside of the workpiece from the coolant source; and a valve for automatically selectively directing coolant only to the inside of the workpiece, thereby increasing coolant flow to the inside of the workpiece when needed.

Abstract: A retrofit coolant system for a small machine tools including a drip tray configured to rest on the forward projecting base portion of the machine and having a sump cavity formed in one of a pair of upwardly angled side collector sections included in the drip tray. The sump cavity rests on the adjacent supporting floor surface and has a pump in the cavity, covered with a screen. The drip tray collects coolant drippage and overspray, directing the same into the sump cavity.

Abstract: In a rotary cutting tool for use with at least one cutting insert, a cutter body is rotatable about a rotational axis. The cutting insert is mounted to an outer periphery of a forward end of the cutter body. A chip moving unit is arranged outwardly of an outer peripheral surface of the cutter body for moving chips generated by the cutting insert, to a desirable location. A cover assembly is provided for covering the outer peripheral surface of the cutter body, having a flow passageway defined between an inner peripheral surface of the cover assembly and the outer peripheral surface of the cutter body. An air sending assembly is arranged within the flow passageway for sending air adjacent the cutting insert, toward the desirable location during rotation of the cutter body about the rotational axis.

Abstract: A printed circuit board boring machine bores printed circuit boards stacked on a table, by a drill while pressing the printed circuit boards with a pressure foot. A piece having a hole through which the drill may pass is detachably mounted on a tip end portion of the pressure foot with a center of the hole being aligned with an axis of the drill. The piece may be attached to the pressure foot before the boring work so that the boards and the piece may be simultaneously bored by the drill while the hole in the piece may be used as a guide for the boring work of the boards.

Abstract: Sawdust created by a power saw's cutting action is blown away from the line of cut by streams of air carried by conduits extending from a plenum which receives air from the fan on the saw motor's rotor.

Abstract: An automatic tool-replacement apparatus including the main body of a machine tool on which a plurality of tools can be dismountably mounted. The tools are selectively held by an automatic tool-replacement arm and are mounted on or dismounted from the main body. The arm has a plurality of holding portions for holding the tools. Therefore, a plurality of tools can be mounted on or dismounted from the main body of the machine tool by one-time operation of a single arm. Each holding portion has a pawl for preventing disengagement of the tool positioned therein, this pawl being able to advance toward and retract away from the holding portion.

Abstract: A pressure foot for a machine for drilling a printed circuit board is supported to be slidable in an axial direction of a rotor shaft and is connected to a vacuum suction source. The pressure foot is adapted to depress the printed circuit board during a drilling operation. A first air pathway is formed from a first supply port formed in a side wall of the pressure foot to a plurality of first blow-out ports formed in a contact surface of the pressure foot with the printed circuit board. The first supply port is connected with a pressure air source. A second air pathway extends from a second supply port formed in the side wall to a plurality of second blow-out ports opened toward an interior of the pressure foot. The second air pathway is in communication with a supply source of a pressure air. Thus, the working time and cost are reduced.

Abstract: A speed-up spindle unit including a non-rotative housing having a fixed ring, a sun roller secured to a high speed spindle rotatably carried in the housing and a plurality of planetary rollers rotatably carried in such a manner as to be in contact with the fixed ring at one peripheral end and the sun roller at the opposite peripheral end so that the planetary rollers individually rotate about their own axes while they revolve about the sun roller, thereby transmitting a torque from the planetary rollers to the high speed spindle through the sun roller.

Abstract: There is disclosed a method for machining multiple holes in a workpiece to a uniform depth and at a predetermined angle to the surface of the workpiece. The method is performed by a numerically controlled machine tool which orients the workpiece in space with respect to a reference coordinate system which establishes an expected position of the surface of the workpiece. The actual position of the surface of the workpiece is determined by sensing contact between the workpiece and the boring tool. Once the actual position of the workpiece surface has been sensed, the tool is advanced a predetermined distance to provide a uniform depth cut. The expected position, the actual position, and the deviation between the two are recorded to assure that the surface of the workpiece is accurately sensed during subsequent machining steps.

Abstract: A resilient C-shaped clamp subtending an angle substantially more than 180 degrees, such clamp being internally conformable to a cylinder and being of a diameter such as to frictionally grip the quill of a milling machine, and having an entrance of greater width than the diameter of the spindle of the milling machine to facilitate axial alignment with and engagement on the quill. The clamp has a radial extension diametrically opposed to the entrance that is provided with an opening parallel to the cylindrical axis of the clamp for adjustably accepting shanks of accessory items.

Abstract: A method and apparatus for dispensing a smear-preventing solution onto a drill bit used for drilling printed circuit boards includes a drilling jig having a drill bit for engaging the printed circuit board and a dispensing system for dispensing a smear-preventing solution under pressure so that it sprays onto the drill bit through a hole in a pressure foot as the drill bit engages the printed circuit board. A switch mounted on the drilling jig controls the dispensing of the solution so that the solution is dispensed during the time that the drill bit is in the vicinity of the printed circuit board, and is turned off when the drill bit leaves the printed circuit board, or when the drill is turned off. A vacuum hose connected to the housing creates a low pressure condition adjacent the drill bit which provides for coating the drill bit while the solution is being dispensed, and for pulling the excess solution and debris created by the drill bit away from the surface of the printed circuit board.

Abstract: In a pressure foot used in an apparatus for drilling printed circuit boards, which includes a bearing for holding a spindle, and formed at the end portion thereof with an inner void space having a bottom hole for passing the drill bit, the end portion of the pressure foot is provided with an annular end surface possibly contacting with the printed circuit board and air injection ports for injecting compressed air into the inner space. The air injection ports are so directed that the air flow from each injection port is tangently contacts with the circumferential surface of the drill.

Abstract: The present invention relates to an automatic measurement system and the method of employing the system with a cutting tool device. The measurement system includes a tool holder for mounting a cutting tool. A measurement probe is automatically mounted and dismounted from the tool holder without removing the cutting tool. The tool holder is preferably affixed to a work support table which is adapted to support a workpiece to be machined and measured thereon.

Abstract: A nozzle retention system for a drill bit which includes a nozzle member which is retained by means of a keyway in the bit body. The bit body can include a partially cylindrical bore, truncated by opposing walls to form a lower contact surface within the bit body. The nozzle will be conformed to pass through the bore in a first orientation, and to be retained in the bore and against such contact surface when the nozzle is rotated to the second orientation.

Abstract: An air hammer powered debris chisel headed tool having a water stream blaster outlet directing a high speed water stream forwardly closely adjacent and above the chisel head when valve controlled for use. Air misting outlets are also provided at the forward end of the tool to produce a dust debris supressing mist as the tool is being used in material removal such as asbestos dust abatement as asbestos is being removed in structures. A trigger control at the butt handle end of the tool controls on-off activation of the tool air hammer, and a lever on the butt handle has control settings from off to misting to combination misting and high speed water stream to high speed water stream alone.

Abstract: A lock collar for a drill bushing and a system for cooling a drill bit during a drilling operation are arranged so as to be incorporated into a single mechanism. The mechanism involves two assemblies, one being a locking liner embedded in a jig plate, and the other being a coolant directing assembly adapted to be mounted on a power-fed tool. There is coolant passage means in the coolant directing assembly which accepts coolant from an appropriate source and directs it through the first mentioned assembly to the cutting edge of the drill bit or other cutting tool while the cutting operation is taking place. By reverse rotation of the coolant directing assembly, that assembly can then be removed for subsequent engagement with another locking liner. Various structures and methods of manufacture are employed for forming the coolant passage means.

Abstract: An improved coolant manifold assembly is provided for supplying liquid coolant to the working surface of a cutting or grinding wheel in the course of a machine tool cutting or grinding operation. The coolant manifold assembly is adjustably mounted by a support frame onto a machine housing and includes a manifold unit having a coolant discharge nozzle disposed in relatively close association with a rotatable cutting wheel or wheels or the like. The manifold unit is supported from the frame by a first slide member which is adjustable to select the position of the discharge nozzle relative to the cutting wheel. In addition, the manifold unit supports an absorbent pad wetted with coolant and protruding into direct contact with the cutting wheel at a position generally adjacent the coolant discharge nozzle. A second slide member carries the absorbent pad for adjustment of pad position relative to the coolant discharge nozzle.

Abstract: This invention relates to a machining center fluid delivery system comprising a body block to be mounted on a tool holder to be installed in a machining center and a driving source block to be mounted on the machining center, and to a machining center equipped with such a fluid delivery system. The invention assures an exact orientation of nozzles and their delivery of a machining fluid towards the machining point which is constantly shifted with the progress of machining operation, thus contributing to an extremely high performance of cutting and grinding operations.

Abstract: As an alternative to the drilling of relatively long holes through a mass of material to provide a passage for fluid coolant the invention makes use of a laterally open elongated slot cut into the mass of material into which easily worked material is embedded to form the fluid passage. One alternative is to lay a preformed length of tube in the slot and secure the tube in place with an appropriate bedding mass. Another is to make use of a molding expedient, namely, packing the passage with a moldable material in which an elongated core is embedded and then removing the core to form the fluid passage.

Abstract: On the tool spindle of a machine tool, a hollow ring is mounted on the headstock or on the sleeve flange thereof and is provided on its underside with an annular clearance forming an endless ring nozzle. A pressurized fluid is introduced into the channel of the hollow ring and passes out of the annular clearance in the form of a closed fluid curtain, so that a closed space surrounding the machining station is formed. So as to obtain a permanent seal with the fluid curtain, an annular element comprising a deflecting ring, a filter ring and a straightening ring is built into the annular channel and as a result the latter is subdivided into an upper and a lower partial ring channel. The suspended dust formed during the machining of a workpiece is held back by the fluid curtain, but the machining point is still visible and unimpeded access is possible.

Abstract: A device and method for removing chips generated by a tool operating on a workpiece using air, and for lubricating the tool using a fluid lubricant are proposed. The device includes a manifold containing air and fluid lubricant chambers, at least one lubricating fluid nozzle connecting to the lubricating fluid chamber and at least two air nozzles connected to the air chamber. The nozzles are located so that the lubricating fluid stream is directed to impinge the tool from a given direction, and the air streams are directed so that neither the chips generated nor the air streams themselves significantly disrupt the lubricating liquid stream.

Abstract: A method and tool (12) for use in an automatic machining center for removing drilling coolant from a blind hole (14) and for injecting tapping fluid into the hole (14), the tool having a nozzle (24) for removing the coolant from the hole and for injecting tapping fluid into the hole.

Abstract: A lock collar for a drill bushing and a system for cooling a drill bit during a drilling operation are arranged so as to be incorporated into a single mechanism. The mechanism involves two assemblies, one being a locking liner embedded in a jig plate, and the other being a coolant directing assembly adapted to be mounted on a power-fed tool. There is coolant passage means in the coolant directing assembly which accepts coolant from an appropriate source and directs it through the first mentioned assembly to the cutting edge of the drill bit or other cutting tool while the cutting operation is taking place. By reverse rotation of the coolant directing assembly, that assembly can then be removed for subsequent engagement with another locking liner.

Abstract: Apparatus and method are disclosed for enabling a single operator to correctly position and clamp a power tool, such as a drill, onto a rail or beam-shaped workpiece. The apparatus has an adjustable clamp, comprising gauge blocks that provide snug multi-point stable contact with the workpiece in cooperation with a movable guided jaw. A sight hole ensures correct positioning of the clamp by direct viewing of a mark on the workpiece. A thrust bearing positioned between the movable clamp jaw and a clamp locking nut facilitates clamping and unclamping in repeated use and permits the application of a clamping force sufficient to carry the weight of the entire apparatus, including a power-tool attached to the clamp. The drill, including a hollow centrally-lubricated annular drill bit, is manually guided into the workpiece along guide rails attached to the clamp in the same plane as the drill axis for maximum stability during operation in any orientation.

Abstract: In a machine tool including a spindle head (1), a XY-table (2) placed under the spindle head (1) and a base (A), and a cutting liquid sorting apparatus, the cutting liquid sorting apparatus includes a receiver (19), with an opening (21) at its bottom, for receiving water soluble cutting liquid and oily cutting liquid, a first tank (15) for containing the water soluble cutting liquid, a second tank (16) for containing the oily cutting liquid, an actuator (20) for moving the receiver (19) between a first position in which the water soluble cutting liquid flows from the receiver (10) into the first tank (15) through the opening (21) and a second position in which the oily cutting liquid flows from the receiver (19) into the second tank (16) through the opening (21). The actuator (20) moves the receiver (19) along rails (17,18) between the two positions.

Abstract: A self-contained system for applying a viscous tapping fluid to a tapping tool at a machining work site independent of any other cutting fluid system. A supply tank, control cabinet and an air actuating nozzle are interconnected to supply the tapping fluid for a timed period initiated by a limit switch, NC signal or manual command for ready adaptation to equipment ranging from a machining center to dedicated tapping work stations.

Abstract: Device (1) for facilitating the circulation of fluid coolant having, in compact form, a circulating pump (7), a settling cascade (17) and a negative-pressure pump (20) for suctioning a workpiece (54) onto a worktable (21). The transfer pump (7) and a negative-pressure pump (20) are connected to operate with one another in the coolant cycle and to prevent loss of coolant.

Abstract: The invention pertains to a self-cleaning high speed core boring tool for enlarging an existing deep hole. The elongated tool includes a shank held within a rotating tool holder, a central portion upon which cutting elements are mounted in diametrically located relationship, and the forward end of the tool comprises a cylindrical extension having a pair of spiral flutes defined therein each of which communicates with a cutting element for receiving chips. The flutes spiral in a direction opposite to the direction of tool rotation during boring whereby chips received within the flutes are displaced forwardly of the cutting elements to keep the cutting area free of chips.

Abstract: A reciprocating pump for delivering cutting fluid to the machining situs between a tool and a workpiece includes a collapsible piston which forms a substantial seal in the pump during the power stroke and then collapses during the relaxation stroke to allow the piston to reassume its initial position in preparation for the next power stroke. The pump includes an indexer and switch which maintain the pump in an operative condition, thereby delivering cutting fluid to the machining situs for a predetermined amount of displacement between the tool and workpiece prior to engagement and subsequent thereto. The indexer and switch exploit a predetermined amount of play in the switch to maintain the pump in an operative condition for the desired time.

Abstract: Disclosed is a nose piece for a power drill and hand drill with certain modifications made to nose piece and using telescopic bushing, having a drill motor, a drill spindle and a drill bit attached to the spindle, the nose piece being capable of longitudinal adjustment with respect to the length of the drill bit and radial adjustment of its position with respect to the drill motor and the work piece.

Abstract: The machine includes a feed-in station and a drilling station. The feed-in station comprises a carriage for advancing the glass sheets to be drilled. The carriage has a plurality of rollers, at least some of which are driving rollers, the rollers being effective to impart a forward movement to the glass sheet and are provided with a shroud with helical pattern ridges for combining this forward movement with an approaching movement of the glass sheet towards a reference element and an abutment member connected to the frame of the feed-in station and a gripper assembly for carrying said glass sheet towards an adjustable drilling position.

Abstract: The present invention relates to a jet device for cutting liquid of a machine tool comprising a rotary actuator attached at a suitable position of the machine tool, a nozzle attached to the output shaft of said rotary actuator, a pulse motor adapted to drive said rotary actuator, and a control section connected to the numerical control unit of the machine tool. The control section control the pulse motor in accordance with the instruction relating to the cutting tool for changing the angle of the nozzle at a suitable position.

Abstract: A chuck provided with a collapsible collet for holding one of a number of twist drills of different diameters is equipped with a holder for the collet, the holder being one for mounting in an appropriate power tool such as a drill press or lathe. There is a stationary sleeve within which rotate the holder, collet and drill. For lubricating and cooling the cutting operation where the drill engages the work, use is made of a pipe fitting in a boss on the stationary sleeve. A fluid line to the pipe fitting continuously supplies a cooling lubricant which flows from there through a succession of passageways in the sleeve and the holder so that the lubricant is ultimately discharged into axially extending slits of the collapsible collet. Emerging from the slits the lubricant flows over the surface of the drill until it reaches the cutting edge, the flow being in sufficient volume to wash away chips.

Abstract: An apparatus and method are disclosed for reducing the oxygen concentration at the interface between a cutting tool and a relatively rotating metal workpiece. The apparatus comprises (a) a supporting means for holding the cutting tool in a predetermined position relative to the workpiece, and (b) means effective to direct a plurality of discrete flows of inert gas between the cutting tool and workpiece in a manner to substantially reduce the oxygen concentration in the zone to a predetermined level. The method comprises (a) directing a first stream of inert gas closely adjacent the interface, and (b) directing a second stream of inert gas to at least partially surround the first stream.

Abstract: In the machining of composite material, improved rates of material removal and reduced machine tool wear are achieved by a cutting fluid comprising the binder of said composite in an uncured state.

Abstract: A process for machining glass by placing a rotating carbide working surface under minimum pressure against an area of glass to be worked and concurrently wetting the region between the working surface and the area of glass with a lubricant consisting essentially of a petroleum carrier, a complex mixture of esters and a complex mixture of naturally occurring aromatic oils.

Abstract: Coolant is supplied through a main delivery line and a conduit bored in the toolholder by coolant pumps. The coolant then enters into a ring having two opposite ball jets from which it is simultaneously conveyed in two concentrated streams on to both the grooves of the twist drill. Each of the streams of the coolant is directed at the respective beginning portions of the grooves. The ring is rotatably set up on the toolholder and is adjustable in the required position. The ball jets are swingable and securable in the required position in the ring by retaining screws.

Abstract: A sawdust removal device for attachment to the exterior housing of a saber saw or other electric-powered saw or drill. The device traps air discharged from an exhaust port in the saw or drill housing and diverts that air to continuously blow away sawdust, chips and other debris which accumulates on the surface of the material being cut or drilled during operation of the saw or drill.

Abstract: An apparatus for honing the cylinder walls of a piston engine comprising:A tank having an open top, a vertical column mounted on one side of the tank and being movable along the side of the tank, a generally horizontal lower arm pivotably mounted at one of its ends to the column and projecting over the tank, the lower arm being vertically pivotable in a plane that is substantially perpendicular to the path of movement of the column, a motor pivotably mounted on the lower arm to be vertically pivotable in a plane that is substantially perpendicular to the path of movement of the column, the motor having a drive train terminating in a chuck for receiving the arbor of a rotatable honing stone assembly,An upper arm pivotably mounted to the vertical column and being vertically pivotable in the same plane as the lower arm, a downward projecting cradle fixed to the upper arm and supporting the lower arm, the lower arm being in free sliding contact with the cradle,A spring connecting the rearward end of the upper arm

Abstract: Liquid coolant and lubricant is intermittently pressure fed through a hollow drill stem to the tip of a drill, preferably a spade drill, against the workpiece by compressed air from the conventional machine shop air line which is fed over and released from a column of the liquid coolant and lubricant at selected frequencies and for selected durations without the use of motors, pumps, or other propelling devices. A pair of manually adjusted controls select the frequency of intermittent coolant feed and the length of feed duration within the selected frequency to maintain desired operating temperatures at the drill tip while effectively flushing out chips cut from the workpiece.

Abstract: A drilling or milling machine has a suction chamber surrounding an axially moveable tool, the chamber being axially moveable relative to the tool and spring biased for abutment against a working surface during machining, after the tool has been fed forwardly in a rapid first phase, then slowly just prior to and during machining. The chamber is composed of two half-shells secured onto a mount on the tool body by a locking ring, and which can be separated by removal of the ring and radial outward movement to provide access to the tool without a need to raise the tool body. The abutment-surface of the chamber may be rigid for laterally-stationary tools, or formed of a ring of flexible bristles for laterally moving tools, e.g. for routing printed circuits. Several compressed-fluid delivery nozzles can be provided in the suction chamber to improve the removal of dust and chippings.

Abstract: Rotary cutting tools normally throw out chips and other particles from the surface or edge being cut. According to this invention, an exhaust hood, arranged to be connected to an exhaust system, having a bristle skirt is mounted to enclose an area about the tool, a strong jet of air from a jet nozzle put through the hood is directed toward the cutting portion of the tool and at the stream of chips being thrown off to disburse all of the chips and particles up into the air stream being exhausted from the hood causing them to become airborne. The air stream entering the hood through the interstices in the skirt and rushing across the hood and out through the exhaust port will so completely capture the airborne chips and particles that none will escape into the general atmosphere of the machine room.