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Patent Searching and Data


Matches 251 - 300 out of 2,611

Document Document Title
WO/1999/051391A1
A turret tool post (14) is provided with a turret (24) which is movably supported by a base (22) and can mount a desired tool at a predetermined index angular position. Arranged between the base (22) and the turret (24) are a pair of cou...  
WO/1999/011409A1
A turret (24) is clamped to a tool post body (22) by a pair of coupling members (66, 68). Also, at the time of indexing rotation for tool selection, the tool post body (22) and the turret (24) are moved relative to each other in the Z-ax...  
WO/1999/011408A1
A turret (11) is clamped to a tool rest main body (10) by a pair of coupling members (27). During indexing rotation for selecting a tool, the tool rest main body (10) and the turret (11) are moved relatively in a Z-axis direction, and th...  
WO/1998/042470A1
A machining assembly and a method of cutting a tubular member (19) are described which includes a cutting tool (8) and a tubular member holder (4, 5), wherein the linear and rotational displacement of the cutting tool (8) and the tubular...  
WO/1998/031502A1
The invention concerns a device for machining a part by metal cutting comprising a massive block (1) in a bore of which is located a sliding column (3) guided in a front bearing (8) and a rear bearing (9), at least the front bearing (8) ...  
WO/1998/025722A1
Positioning engagement members (27) are detachably provided between a base (10) and a turret (11) which is made, by the rotational drive force of an index/tool rotation motor (32), to index a work relative to the base (10). The positioni...  
WO/1998/025730A1
An indexing apparatus comprises a base (10), a turret (11) which indexes a work about a predetermined rotation axis with respect to the base (10), and a pair of positioning engagement members (27) provided between the base (10) and the t...  
WO/1998/025729A1
Provided between a base (10) and a turret (11) are a pair of positioning engagement members (27) which engage with each other to prevent rotation of the turret (11), and a screw feed mechanism comprising a ball screw (21) and a nut (25) ...  
WO/1998/001248A1
A feed control (34) for a tool bit (30) carried by a headstock (16) of a lathe includes a driving cam having a profiled lobe (40) that permits automatic quick return of the tool bit following each cutting operation. The cam is driven in ...  
WO/1997/045221A1
The main shaft (18) of the lathe proposed is mounted in a shaft bearing (16), defining a main axis (Z). Located one on each side of a central plane (YZ) including the main axis (Z) are a first and a second tool carrier (26; 34) which can...  
WO/1997/022428A1
Method and apparatus for the machining of workpieces in a lathe, which lathe comprises two spindles, the centre lines of which lie in each other's extensions and which are each, on mutually opposed faces, provided with a chuck for the cl...  
WO/1996/032224A1
The invention concerns a numerically controlled turning machine with a stationary headstock (1) in which a spindle (1b) is mounted so that it can rotate, the spindle being designed to hold a workpiece (2) in a first chuck. The turning ma...  
WO/1996/027468A1
The invention concerns a positioning drive for a tool head designed for use in machine tools. The tool head has a main body (12), a tool shaft (16) which extends out longitudinally beyond the main body (12) and which can be coupled to a ...  
WO/1996/026051A1
The present invention provides in one aspect a lathe having a bed mounted to be rotatable in a horizontal plane about a vertical axis. The present invention also provides in another aspect a lathe having a head stock comprising a lathe s...  
WO/1996/024464A1
A multi-spindle lathe, comprising a machine frame, two drums arranged on opposite sides of a working space to be rotatable around a substantially horizontal rotational axis, machining devices arranged in individual positions on the drums...  
WO/1996/017705A1
A machine tool for machining crankshafts (200), including, arranged in the same horizontal plane on a frame extending along the transfer axis (arrow A) of a machining line (C), a machining station (P1) with two tool holder discs (110, 12...  
WO/1996/014180A1
A push-type collet and seat assembly (10) has a collet (12) including an elongated cylindrical body (22) having a rear end (24), a forwardly tapered front end (26), an opening (30) extending through the collet (12), and slots (32) extend...  
WO/1996/002354A1
Method and device for machining a workpiece by cutting or upsetting using at least one tool (67), wherein the workpiece or each tool is rotated about an axis. Each tool (67) is moved longitudinally along an axis parallel to the rotationa...  
WO/1995/032070A1
Multi purpose lathe including a main spindle (16) and a subspindle (19) and two tool revolvers or carriers (12, 23), one tool carrier (23) is arranged below the spindle axis and has its tool carrying end turned towards the subspindle (19...  
WO1995011470A2
A method of machining a substrate to produce a cube corner element optical array (12). The method includes steps of directly machining a plurality of groove sets (14, 16, 20) into a directly machinable substrate to form an array having a...  
WO/1995/007158A1
A NC automatic lathe has at least one carriage system (36) having an X, a Y and a Z axis that carries a tool revolver (38) designed as a so-called disk revolver (42) for working with lathe tools (74) and rotary machining tools (82). In o...  
WO/1994/000260A1
Described is a double-turret tool holder for a lathe, the tool holder having two turret discs (16, 18) mounted coaxially to each other and connected so that they rotate in unison. The two discs can be continuously displaced relative to e...  
WO/1993/022090A1
A tool head for use in machine-tools has an adjustable slide (18) capable of moving with respect to the base body (10) transversely to its axis of rotation (12) and of being provided with a tool holder, as well as a device (30) for direc...  
WO/1993/009901A1
The multiple-spindle lathe described has at least two parallel-acting workpiece spindle units (18, 20) mounted to move in the x and z direction. The spindle units operate in conjunction with fixed workpiece carriers (22, 24) and themselv...  
WO1992020474A3  
WO/1993/007981A1
A lathe has a workpiece spindle (28) that defines a Z axis, a tool slide (56) which carries a tool carrier designed as a tool turret (112) with a turret body and a turret head and which is movable in the direction of a first axis (X axis...  
WO/1992/021463A1
Device intended to eliminate such unbalance and vibration occurring on unsymmetrical mounting of rotatable tools and tool holders at milling machines and the like such as arboring machines, drilling machines etc. According to the inventi...  
WO/1992/020474A2
The device and the method of the invention relate to the cold-forming by rolling of revolution parts (7). The device is comprised of two similar serrated rollers (9A, 9B) arranged symetrically with respect to the part to be formed (7), a...  
WO/1991/014534A1
A metal-working machine (10) comprises a first machining unit including a machining head (12) and means (11) in the form of a clamp for bringing, holding and axially displacing the material to be machined. The machining head (12) carries...  
WO/1991/008851A1
A work exchange system of a CNC lathe having two spindle heads. A work is machined by the spindle head A (S1, S2), and moved to the spindle A (S3, S4) while a servo motor that controls the feed shaft of the spindle head B is maintained u...  
WO/1991/007636A1
A projectile for the dispersal of a load with time delay after firing from a launching tube (1) with hot gas under pressure is described. It comprises a cylindrical casing (2) comprising a cross wall (3) on one side of which there is a f...  
WO/1991/004812A1
A method of controlling rotations of main shafts, capable of preventing a work from being distorted during transfer of the work between the two main shafts of a machine. When speed loop controls are conducted by speed control sections (1...  
WO/1991/003345A1
The invention concerns an adjustable tool for use in machine tools, with a slide (14) which can be fitted with at least one cutting tool and which can be displaced relative to the rotating main body (10) perpendicularly to the axis of ro...  
WO/1991/003340A1
The device of the invention has a supporting body (10) detachably fixed to a machine spindle (26), a head element (20) detachably fixed to the supporting body, and at least one slide (24) which can be moved substantially at right angles ...  
WO/1990/015692A1
A rotatably driven spindle (6) comprises slides (14, 64) arranged on its front face, which can be adjusted radially as the spindle (6) rotates. To this end, an adjustment mechanism (21) comprises a component (8) which rotates with the sp...  
WO1990006579A3  
WO/1990/006579A2
The invention relates to an improved disc unit provided with a module (1) comprising integrated circuits and connectors (5), and devices connecting said module to a disc reader and to a computer. A connection head (2) provided with conne...  
WO/1990/006201A1
A boring and surfacing machine (12) has a rotatable carriage (15) on which a tool carriage (16) is axially moveable. The tool carriage (16) supports a tool post (18). The tool carriage (16) and the tool post (18) can be driven axially an...  
WO/1989/012535A1
The invention concerns a spindle drive for a veneer lathe. In view of reducing the mobile masses of the drive gear equipment and making the lathe better adaptable to different log lengths, the opposite spindles in the lathe are provided ...  
WO/1989/011374A1
The machine-tool disclosed combines the following three features:the workpiece holder (22) rotates about a horizontal, so-called turning axis (C) parallel to one (Y) of three orthogonal axes (X, Y, Z), said axis (C) overlying a table (12...  
WO/1989/010223A1
A CNC lathe provided with two opposed head stocks (2a, 2b), two turret type tool rests (3a, 3b), and a slanting base (1), the first head stock (2a) being fixed to the base (1), the second head stock (2b) being provided so that it can be ...  
WO/1989/008533A1
This invention relates to a machine tool having two main spindles which are subject to driving control by servomotors (1 and 2) by giving velocity commands (Vcmd1) and (Vcmd2) for controlling, respectively, the speed of rotation of a fir...  
WO/1989/006176A1
Lathe with a numerically-controlled drivable main working spindle and a turret (12) with several switching stations, having at least one drivable tool spindle, rotatably mounted on a turret carriage (10) so as to rotate about a turret ax...  
WO/1988/008764A1
This invention relates to a high-efficiency tool selection system in working with a numerical controlled lathe having a plurality of turrets (3, 4). Tool replacement on the turret (4) to be used next has been instructed to a working prog...  
WO/1988/007424A1
A portable lathe tool includes fixed and rotating split rings (12, 22) the fixed ring (12) arranged to be secured to a pipe workpiece (18), the rotating ring (22) being relatively rotatable with respect thereto for carrying a tool (34) c...  
WO/1988/006943A1
This invention relates to a machine tool having a work mounting table. According to the conventional techniques, a work is cut with one machine tool, and a groove is then formed in one flat end surface of the work by another machine tool...  
WO/1987/000464A1
An automatic lathe with two parallel working spindles (12a, 12b), possessing on a common base (14) three cross-slides (20a, 20b, 20c) with different longitudinal slides (24a, 24b, 24c) the two outer slides operating with only one spindle...  
WO/1986/003998A1
A machining tool having first, second and third axes (X, Y, Z) which substantially constitute a space coordinate system. This machining tool has various kinds of tools (T1-T10) arranged in a plurality of steps along the first and second ...  
WO/1985/004126A1
Lathe used as a machining center and enabling to carry out, in addition to turning operations, other machining processes. The tool-holder carriage (5) includes a machining turret (9) which may rotate about a vertical axis and be secured ...  
WO/1984/001736A1
The polyvalent machining unit (1) intended to carry out on-site machinings comprises a support (5) secured to the site, a platen (13) rotatingly mounted on said support (5), an axial arm (19) mounted on said platen (13) and adapted to ta...  

Matches 251 - 300 out of 2,611