Abstract: A machine tool capable of eliminating a laborious attachment/detachment work of a cover member is provided. The machine tool includes a door device 5 having a first door 6 to cover a machining-area opening 3e when machining a workpiece and a second door 7 to cover the machining-area opening 3e when not machining the workpiece and formed to be visible an inside thereof, in which the first door 6 and the second door 7 are arranged in a movable manner between a position-in-use covering the machining-area opening 3e and a position when opened opening the machining-area opening 3e.

Abstract: To provide a machine tool capable of coping with both a workpiece requiring a small driving force, for example, having good machinability and a workpiece requiring a large driving force, for example, having poor machinability. The machine tool includes a coupling mechanism 9 which couples a first tool post (first tool driving mechanism) 5 and a second tool post (second tool driving mechanism) 6 so that a driving force of the second tool post 6 is added to a driving force of the first tool post 5.

Abstract: To provide a machine tool capable of preventing even chips in a powder form and coolant from leaking to a feed mechanism side. A slide plate 12 is provided to cover a feed mechanism 16. The slide plate 12 is fixed to a second headstock 6 to move in an axial direction together with the second headstock 6. Between the slide plate 12 and a bed side member, a seal portion 31 is provided. The seal portion 31 has a first slide contact member 20 provided on the slide plate 12 and a second slide contact member 18b which is provided on the bed side member and in slide contact with the first slide contact member 20, and the first and second slide contact members 20 and 18b relatively slide while being in contact with each other.

Abstract: A workpiece centering apparatus 1 is provided on a lathe having a spindle 33, an independent chuck 34, and upper and lower tool rests 37, 41, and has sandwiching members 11, 12 mounted to the tool rests 37, 41, respectively, and capable of contacting the outer peripheral surface of a workpiece W, and a centering control section 15 for moving the tool rests 37, 41 and thereby moving the sandwiching members 11, 12 to their respective centering positions which are the positions of the sandwiching members 11, 12 when the center position of a portion to be machined of the workpiece W coincides with the axis of the spindle 33 in a state where the portion to be machined of the workpiece W is being sandwiched and held by the sandwiching members 11, 12, and then causing the independent chuck 34 to grip the workpiece W.

Abstract: A workpiece centering apparatus 1 is provided on a lathe having a spindle 33, an independent chuck 34, and upper and lower tool rests 37, 41, and has sandwiching members 11, 12 mounted to the tool rests 37, 41, respectively, and capable of contacting the outer peripheral surface of a workpiece W, and a centering control section 15 for moving the tool rests 37, 41 and thereby moving the sandwiching members 11, 12 to their respective centering positions which are the positions of the sandwiching members 11, 12 when the center position of a portion to be machined of the workpiece W coincides with the axis of the spindle 33 in a state where the portion to be machined of the workpiece W is being sandwiched and held by the sandwiching members 11, 12, and then causing the independent chuck 34 to grip the workpiece W.

Abstract: A coaxial electrical connector includes an outer conductive body including a fitting portion having an opening portion for receiving a mating connector on one end portion side in a direction of an axis line, and an attachment portion formed of a surface perpendicular to the axis line on the other end portion side for attaching to a circuit board, and extending to substantially cover an area inside of a peripheral border of the fitting portion through a joining portion bent at a part of the peripheral border; a dielectric body retained and held inside of the fitting portion; and a central conductive body including a contact portion for contacting a mate central conductive body, a connection portion extending from the dielectric body in a radial direction and situated on a bottom surface of the attachment portion, and a retained portion for covering the retained portion.

Abstract: A coaxial electrical connector includes an outer conductive body including a fitting portion having an opening portion for receiving a mating connector on one end portion side in a direction of an axis line, and an attachment portion formed of a surface perpendicular to the axis line on the other end portion side for attaching to a circuit board, and extending to substantially cover an area inside of a peripheral border of the fitting portion through a joining portion bent at a part of the peripheral border; a dielectric body retained and held inside of the fitting portion; and a central conductive body including a contact portion for contacting a mate central conductive body, a connection portion extending from the dielectric body in a radial direction and situated on a bottom surface of the attachment portion, and a retained portion for covering the retained portion.

Abstract: To provide a machine tool capable of preventing even chips in a powder form and coolant from leaking to a feed mechanism side. A slide plate 12 is provided to cover a feed mechanism 16. The slide plate 12 is fixed to a second headstock 6 to move in an axial direction together with the second headstock 6. Between the slide plate 12 and a bed side member, a seal portion 31 is provided. The seal portion 31 has a first slide contact member 20 provided on the slide plate 12 and a second slide contact member 18b which is provided on the bed side member and in slide contact with the first slide contact member 20, and the first and second slide contact members 20 and 18b relatively slide while being in contact with each other.

Abstract: A machine tool capable of eliminating a laborious attachment/detachment work of a cover member is provided. The machine tool includes a door device 5 having a first door 6 to cover a machining-area opening 3e when machining a workpiece and a second door 7 to cover the machining-area opening 3e when not machining the workpiece and formed to be visible an inside thereof, in which the first door 6 and the second door 7 are arranged in a movable manner between a position-in-use covering the machining-area opening 3e and a position when opened opening the machining-area opening 3e.

Abstract: A machine tool capable of absorbing expansion/contraction of a bundle of supplying hoses caused together with the movement of the ram in the Y-axis direction without increasing the size of the entire machine, is provided, in which a turret 5 includes a base member 8 disposed on a bed 2 in a movable manner in a Z-axis direction, a slide base 9 disposed on the base member 8 in a movable manner in an X-axis direction, a ram 11 disposed on the slide base 9 in a movable manner in a Y-axis direction being orthogonal to a plane including the X-axis and the Z-axis, and a turret body 12 mounted to the ram 11, and in which a bundle of supplying hoses 15 supplying electric power, coolant and oil pressure from the said bed 2 side to the turret body 12 is cabled to extend from the turret body 12 side through the ram 11 in the Y-axis direction by being bent in a direction crossing the Y-axis under the ram 11 to further extend in the crossing direction.

Abstract: A machine tool capable of structuring a turret disposed at a lower portion of a slant face to be movable in the Y-axis direction without causing an increase in the entire machine in size, in which a first turret 5 is structured to include a base member 8 disposed on a bed 2 in a movable manner in a Z-axis direction, a slide base 9 disposed on the base member 8 in a movable manner in an X-axis direction, a pair of X-axis feed mechanisms 10, 10 moving the slide base 9 in the X-axis direction, a ram 11 disposed at a portion of the slide base 9 and between the pair of X-axis feed mechanisms 10, 10 in a movable manner in a Y-axis direction being orthogonal to a plane including the X-axis and Z-axis, and a turret body 12 and a turret head 13 mounted on the ram 11, is provided.

Abstract: The coaxial connector connects a first coaxial cable and a second coaxial cable by connecting a first terminal connected to the first coaxial cable and a second terminal connected to the second coaxial cable. Both first and second terminals have a connecting section in a direction crossing the axial direction of each coaxial cable. The connecting section of the first terminal and the connecting section of the second terminal are connected by directly connecting the first terminal and the second terminal in a direction crossing the axial direction. The first terminal and the second terminal can be freely rotated with regard to each other even after the connection.

Abstract: The coaxial connector connects a first coaxial cable and a second coaxial cable by connecting a first terminal connected to the first coaxial cable and a second terminal connected to the second coaxial cable. Both first and second terminals have a connecting section in a direction crossing the axial direction of each coaxial cable. The connecting section of the first terminal and the connecting section of the second terminal are connected by directly connecting the first terminal and the second terminal in a direction crossing the axial direction. The first terminal and the second terminal can be freely rotated with regard to each other even after the connection.

Abstract: The coaxial connector connects between a first coaxial cable and a second coaxial cable by connecting between a first terminal connected to a first coaxial cable and a second terminal connected to a second coaxial cable. Both first and second terminals have a connecting means in a direction crossing the axial direction of each coaxial cable. The connecting means of the first terminal and the connecting means of the second terminal are connected by directly connecting the first terminal with the second terminal in a direction crossing the axial direction. Here, the first terminal and the second terminal can be freely rotated with regard to each other even after the connection.

Abstract: A coaxial electrical connector comprises an outer conductor (10) having a tubular section (11); a central conductor (20) having a contact section (21) extending in the axial direction in the tubular section (11); and a dielectric block (30) molded to hold together both the conductors (10, 20). The central conductor (20) has a radial section (22) extending outwardly in the radial direction from the bottom of the contact section (21) and a connection portion (23A) on the bottom face of the radial section (22) for contact with a circuit board. The central conductor 20 has a surface-processed portion so as to form at least one of a raised portion (24) and an indented portion (22A) and is in contact with the dielectric block at the surface-processed portion.

Abstract: The coaxial connector connects between a first coaxial cable and a second coaxial cable by connecting between a first terminal connected to a first coaxial cable and a second terminal connected to a second coaxial cable. Both first and second terminals have a connecting means in a direction crossing the axial direction of each coaxial cable. The connecting means of the first terminal and the connecting means of the second terminal are connected by directly connecting the first terminal with the second terminal in a direction crossing the axial direction. Here, the first terminal and the second terminal can be freely rotated with regard to each other even after the connection.

Abstract: A coaxial electrical connector comprises an outer conductor (10) having a tubular section (11); a central conductor (20) having a contact section (21) extending in the axial direction in the tubular section (11); and a dielectric block (30) molded to hold together both the conductors (10, 20). The central conductor (20) has a radial section (22) extending outwardly in the radial direction from the bottom of the contact section (21) and a connection portion (23A) on the bottom face of the radial section (22) for contact with a circuit board. The central conductor 20 has a surface-processed portion so as to form at least one of a raised portion (24) and an indented portion (22A) and is in contact with the dielectric block at the surface-processed portion.

Abstract: A connector comprises a dielectric block (20) having an inner cover section (23) having a length smaller than the diameter of a cylindrical section (31) of an outer conductor (30). The height of a connection section (12) of a terminal (10) placed on the top face (25) of the dielectric block (200 is smaller than the diameter of a dielectric member (C2) of a cable. An annular space (2) is formed between the cylindrical section (31) and the body section (21) to receive the contact section of a mating connector. The annular space communicates with the cable accommodation space of the connector, and the cable (C) is exposed to the annular space.