Abstract: Provided are a drill that enhances work efficiency and process accuracy of a boring process, and a boring device enabling dust collection and recovery by using the drill. In a drill formed with a chip exhaust 102 along a center of an axis in a drill body 101, a large-diameter cylindrical body 101a with an outer diameter increased via a different level part G or G? is provided on a base end side of the drill body 101, first cutting edges 110 are provided on a tip part of the drill body, first scrap lead pockets 112 leading to the chip exhaust are provided in the vicinity of the first cutting edges 110, second cutting edges 120 are provided on the different level part, and second scrap lead pockets 122 leading to the chip exhaust are provided in the vicinity of the second cutting edges 120.

Abstract: A boring device including a main shaft which is rotated by a driving source 10 and includes an inner path 12a and an outer path 12b which has a double tube structure, wherein a drill 30 which has a venting hole 33 on a axial center extending from a shank 31b to the proximity of a blade 32 and hoods 17, 14 which cover an outer periphery of the drill are provided at a front end of a double tube main shaft. An air-feeding mechanism 40 which supplies a compressed air to the inner path 12a and a dust collecting mechanism 50 which sucks an air in the outer path 12b are connected to a rear end of the double tube main shaft 12. A work piece is bored while the compressed air is supplied around a drill blade via the inner path 12a so that swarf generated is recovered to the dust collecting mechanism 50 via the outer path 12b.

Abstract: Provided are a drill that enhances work efficiency and process accuracy of a boring process, and a boring device enabling dust collection and recovery by using the drill. In a drill formed with a chip exhaust 102 along a center of an axis in a drill body 101, a large-diameter cylindrical body 101a with an outer diameter increased via a different level part G or G? is provided on a base end side of the drill body 101, first cutting edges 110 are provided on a tip part of the drill body, first scrap lead pockets 112 leading to the chip exhaust are provided in the vicinity of the first cutting edges 110, second cutting edges 120 are provided on the different level part, and second scrap lead pockets 122 leading to the chip exhaust are provided in the vicinity of the second cutting edges 120.

Abstract: An object of the present invention is to provide an apparatus for manufacturing a stacked type electronic part which can manufacture a stacked type electronic part dried at low temperature for a product by increasing a manufacturing speed. A base plate is placed in a predetermined linear section path to be moved back and forth and be moved vertically. Above the section path are juxtaposed one or more insulator layer forming means discharging an insulating resin paste, conductor layer forming means jetting a conductor paste by an ink jet system and drying means drying the pastes. A thin film layer having a predetermined conductor pattern placed on an insulator layer while the base plate is moved back and forth one or more times. Those steps are repeated to form a stacked type electronic part.

Abstract: A manufacturing speed for a laminated member for every layer is increased to improve productivity and at the same time a small-sized manufacturing apparatus capable of being practically realized is provided. A base plate is mounted at a linear predetermined segment path in such a way that it can be reciprocated and moved up and down, each of one to a plurality of an insulating layer forming means for discharging ceramics slurry or insulating resin paste, conductive layer forming means for injecting conductive paste by an ink jet system and drying means for drying said slurry, paste are arranged side by side on the segment path, the thin film layer having a predetermined electrode pattern arranged thereon is formed on the ceramics insulating layer while the base plate reciprocates by once to several times over the segment path, and these operations are repeated to form the laminated member.

Abstract: An object of the present invention is to provide an apparatus for manufacturing a stacked type electronic part which can manufacture a stacked type electronic part dried at low temperature for a product by increasing a manufacturing speed. A base plate is placed in a predetermined linear section path to be moved back and forth and be moved vertically. Above the section path are juxtaposed one or more insulator layer forming means discharging an insulating resin paste, conductor layer forming means jetting a conductor paste by an ink jet system and drying means drying the pastes. A thin film layer having a predetermined conductor pattern placed on an insulator layer while the base plate is moved back and forth one or more times. Those steps are repeated to form a stacked type electronic part.

Abstract: A manufacturing speed for a laminated member for every layer is increased to improve productivity and at the same time a small-sized manufacturing apparatus capable of being practically realized is provided. A base plate is mounted at a linear predetermined segment path in such a way that it can be reciprocated and moved up and down, each of one to a plurality of an insulating layer forming means for discharging ceramics slurry or insulating resin paste, conductive layer forming means for injecting conductive paste by an ink jet system and drying means for drying said slurry, paste are arranged side by side on the segment path, the thin film layer having a predetermined electrode pattern arranged thereon is formed on the ceramics insulating layer while the base plate reciprocates by once to several times over the segment path, and these operations are repeated to form the laminated member.

Abstract: Disclosed is an air motor having an engine pack (with a rotor provided with front and rear retainers, a stator, and vanes) which can be assembled and replaced even by an unskilled person. An air supply joint is engaged with guide projections formed on the inner peripheral surface of a housing, with its forward end portion held in contact with the rear retainer; the forward end portion being fastened by a nut member which is threadedly engaged with the housing. On the rear face of the forward end portion are formed a plurality of first projections produced of a rigid synthetic resin, and on the front face of the nut member corresponding to the first projection are formed a plurality of second projections, so that a firm relation of engagement is established by an elastic force of restoration of the first projection; that is, the nut member will not accidentally become loose owing to the locking effect of the first and second projections.

Abstract: Disclosed is a drilling apparatus intended to obtain an image of a drilling mark for detecting the center of the drilling mark, irrespective of the material of a work (transparent material or nontransparent material).

Abstract: The present invention provides an image processing apparatus capable of forming a sharp image of a detection mark formed in a plane. The image processing apparatus comprises a camera unit (1) comprising a lens system (12) and a photodetecting device (13) inclined at a predetermined angle to the optical axis (L') of the lens system. The camera unit (1) is disposed with the optical axis (L') of the lens system (12) inclined at a predetermined angle to a perpendicular line (L) to the plane including the detection mark so that the difference in length between respective sections of light paths between diametrically opposite portions of the detection mark and the lens system is canceled by the difference in length between respective sections of the same light paths between the lens system and the photodetecting device.

Abstract: A multiple punching press includes a supporting framework having a die block with a plurality of slug holes. A movable punch holder moves relative to the die block and includes a plurality of punch pins that are movable within the movable punch holder between a first limit position where the punch pin is able to pierce the workpiece and a second limit position where the punch pin is unable to pierce the workpiece. Each punch pin includes a position setting mechanism that includes an actuator and cam to move the punch pins against the biasing force of a spring.

Abstract: In a punching unit for punching apparatus having a punch removably mounted on the upper half side of a support section formed nearly in a channel-shape such that the punch will face a die mounted on the lower half side of the support section, and a lifting mechanism for vertically moving the punch, a flat force-cutting blade is attached at the bottom end of the punch rotatably mounted on the support section, and a lifting mechanism is provided in the support section to turn the punch through an angle of 90 degrees.

Abstract: A multiple piercing apparatus for piercing a workpiece having a plurality of reference marks defining the piercing locations. A plurality of adjustably movable piercing unit cases are opposedly arranged on opposite sides of a machine bed. A piercing element, such as a twist drill or punching assembly, is mounted for movement with respect to the unit case to be aligned with a respective reference mark in response to data received from a sensor, such as a camera or photo-sensor.

Abstract: A punching device is provided which includes a plurality of punching units arranged in a side-by-side fashion on a substantially horizontal working surface. The device includes a plurality of punches and dies of different shaped, and a moving assembly, for supporting a holder frame, which moves a workpiece along both X- and Y-axes on a working table. A control unit is provided for inputting punching positions on the workpiece as well as the shape(s) of the holes to be punched, as well as for controlling operation of the moving assembly and punching units in response to inputted data, and for moving the punching positions of the workpiece below the desired punching units to perform punching operations. The punching units each comprises a substantially -shaped supporting member in which a piston is provided for moving a punch upwardly and downwardly. The punch is provided in one arm of the -shaped support member, with a corresponding die in a lower portion of the support member.

Abstract: A punch press machine for piercing a so-called green sheet made from a ceramic compound formed as a thin tape utilized for IC substrate and the like after sintering for solidification. The green sheet is adhered to a liner, such as a plastic tape, and has a core portion. The punch press machine is capable of piercing the green sheet together with the liner, without peeling of the tape liner from the core portion of green sheet. The machine consists of a punch press section, a work piece feeding section and a drive mechanism to move the work piece feeding section or the punch press section under mechanical automation, thus facilitating the piercing work with high productivity and quality.

Abstract: In a punching unit for punching apparatus comprising a support section of a generally C-shape with a material inserting groove formed in the middle, a punch vertically movably and removably mounted in a mounting bore in the side end of the upper half of the support section, a die removably mounted in the side end of the lower half of the support section and having a die opening formed conforming to the outer periphery of a working surface of the punch, and a lifting mechanism removably connected to the die, the working surface of the punch is formed in a shape of a concave slot, and a slug discharge bore is provided communicating with the die opening of the die and with the lower half part of the support section.

Abstract: An apparatus for boring a laminated plate includes a table having a first surface on which a laminated plate may be placed for boring and an opposing second surface, the table defining at least one passage therethrough; a supporting pad for urging a laminated plate to be bored towards the first surface of the table; and a cutter for boring a laminated plate to be bored, the cutter operable to bore in a direction generally opposite to the direction that the supporting pad urges and through the passage defined by the table. Further according to the present invention, the cutter includes a knife edge, a pivotal mechanism adapted to be pivoted about its axial center line, and a stepping mechanism for moving the knife edge in one direction and unsuccessively further in a second direction so that successively deeper boring may be performed.

Abstract: The improved dental handpiece comprises an operating sleeve slidably mounted on an outer circumference of the rotor shaft, said operating sleeve being formed with a flange, a spring for normally biasing the operating sleeve frontwardly, an operation collar threadedly engaged with an outer circumference of the outer cylinder, a pusher ring interposed between an inner surface of the operation collar and a front surface of the flange of the operating sleeve, a cylindrical portion formed at a front portion of the rotor shaft for receiving the main shaft of the working tool, a plurality of key holes formed through a wall of the cylindrical portion at a position opposed to an inner surface of the operating sleeve in such a manner as to be arranged at equal intervals on the same circumference, each of said key holes having a segment-like shape in cross section, a plurality of chuck keys engaged in the key holes, each of said chuck keys having a shape corresponding to the shape of each key hole in such a manner that

Abstract: A pneumatic bearing arrangement comprising an outer element and an inner element which both have generally conical configurations. The elements also have concave and convex bearing surfaces, respectively. The elements are disposed in generally concentric relation and define a generally conical bearing space therebetween. A plurality of nozzles are provided on the elements and open adjacent to the bearing surfaces of the elements. A shaft having a generally conical journal member with an inner and outer face is rotatably supported by the bearing space such that a gap exists between the journal and the inner and outer bearing surfaces. When air is jetted into the bearing space through the nozzle air films are created for maintaining the journal floating between the bearing surfaces without contacting either of the surfaces. The outer element, inner element and journal member can be formed with a substantially bell-shaped configuration to increase the bearing surface for both thrust and radial loads.