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Patent Searching and Data


Matches 551 - 600 out of 8,890

Document Document Title
WO/1998/003303A1
The time to grind a workpiece can be reduced by selecting a grinding wheel whose width is not substantially greater than wheel strength considerations require, and which may therefore be less than the axial length of the region to be gro...  
WO/1998/003304A1
To create an especially compact and effective grinder, the invention provides a rolling stand (6) that has two mutually spaced side parts (8, 10) connected by a cover piece (12). Attached to the rolling stand is a belt sanding device (18...  
WO/1997/048525A1
A workpiece alignment and shifting system for moving circular workpieces from a first inspection station to a second machining station, comprises workpiece holding means for attachment to the face of a disc workpiece to move the latter f...  
WO/1997/048526A1
A grinding or polishing machine comprises a rigid platform on which a workhead spindle and a grinding wheel spindle are located. The grinding wheel spindle is mounted on a sub-assembly which is attached to the platform by means of flexur...  
WO/1997/048522A1
A method of grinding the edge of a disc uses a grinding machine having mounted thereon a grooved grinding wheel, in which the groove is formed in situ using a forming wheel also mounted on the grinding machine. After a workpiece has been...  
WO/1997/043088A1
The invention relates to a device for grinding-in cylindrical surfaces of workpieces, e.g. the bearing surfaces of crankshafts or the like, in which the workpiece (2) is arranged to rotate and can be driven at low speed. The device has a...  
WO/1997/040432A1
A method is described for grinding a composite workpiece (18) to form a component having concentric (31) and eccentric cylindrical regions (30). The method comprises mounting the workpiece (18) in a computer controlled grinding machine (...  
WO/1997/039844A1
Method for the maintenance of rolls/shells for rolling materials, e.g. light metals/aluminium, and casting of such materials in rolling mills, characterized in that the small ridges which are created on the surface of the roll during ope...  
WO/1997/031754A1
A support shoe for supporting an abrasive tape (22) having an abrasive face and an opposed back face (30), wherein the support shoe comprises a pressure face (18) including a frictional engagement material for frictionally engaging the b...  
WO/1997/031755A1
An apparatus for grinding surfaces comprising a frame (1, 2), machine tools (3, 4, 5, 6, 7) attached to the frame, and several bearing elements (11, 12, 13, 14, 15, 16) attached to the frame which include a bearing surface (20) leaning o...  
WO/1997/026113A1
Because the honing wire (15, 14) is freely introduced into the workpiece (16) only from one side, the honing machine (1) can be so designed originally that fully-automatic operation is made possible. The demand for steadily-increasing nu...  
WO/1997/020661A1
A spindle, comprised of a spindle body (68) and an indexing fixture (29), is configured to retain, and rotatingly drive, a crankshaft (10) relative to a grinding tool, so that each pin (16) on the crankshaft (10) is ground with a high de...  
WO/1997/019784A1
In a crank pin grinding machine, device and method for indexing the phase of a crank pin that can index the phase while a spindle is being rotating. The device comprises a pair of spindles (23, 24) disposed on a first axis ('alpha') so a...  
WO/1997/013614A1
A device for measuring and/or checking the diameter of a cylindrical part (2) moving orbitally about an axis (3) during a grinding process. The device comprises a measuring head (7) coupled to a holder (18, 22) which is provided with a m...  
WO/1997/012724A1
An apparatus for checking the diameter of crankpins (18) of a crankshaft (34) in the course of the machining in a grinding machine comprises a first arm (9) rotating with respect to a support (5) arranged on the grinding-wheel slide (1) ...  
WO/1997/010072A1
The invention relates to a device for the grinding of drafting rolls (7) with an emerizing roll (2), at which a drafting roll (7) can be advanced to the emerizing roll casing on one side thereof by an automatically driven carriage (6) ho...  
WO/1997/000755A1
A method of supporting a workpiece having journal and eccentric regions, in a grinding machine for grinding the eccentric regions thereof, is described which involves mounting the workpiece in a headstock of the grinding machine, providi...  
WO/1996/025271A1
A method and apparatus (100) for grinding a surface (104) on a workpiece (102), such as a spignot on a pipe, while supporting the workpiece (102) on the surface being ground (104). The grinding apparatus (100) includes workpiece support ...  
WO/1996/023630A1
A cutting edge for an electroplated tool produced by firmly fixing a solid mass of superabrasive (2) along the edge of a base (1), which comprises a metal sheet, by electroplating. The superabrasive (2) comprises one or more layers forme...  
WO/1996/022169A1
Machine and method for deep rolling fillets of split-pins of engine crankshafts. Each split-pin comprises neighboring and arcuately offset crank pins (24, 26) connected between counter weigths and has a centralized splitter fence (32) wh...  
WO/1996/020068A1
A microfinishing machine tool comprising an abrasive belt (18) and reference and clamping shoes (6, 8) for the machining of a cylindrical surface (1) of a workpiece (2). In order to perform a checking, in the course of the machining, of ...  
WO/1996/020067A1
A tapered bearing (306) for the drive drum assembly (100) of a belt grinding machine (10) that employs multiple, parallel, abrasive grinding belts (76), and back-up shoes (122) for pressing the belts (76) against the surfaces on a workpi...  
WO/1996/019317A1
A process and device are disclosed for finishing the surface of rotationally symmetrical workpieces. The workpiece (29) is pre-machined and hardened with a stock allowance and is then finished in two steps in a grinding machine in which ...  
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/1996/015875A1
A method and apparatus is achieved for creating or restoring a high friction surface to a drive roller (52). Abrasive pads (12) define a scrubbing surface for acting upon a media roller's surface (54-58). As the roller's surface is scrub...  
WO/1996/012589A1
A machining apparatus (20) for deep fillet rolling the undercut radii of a crankshaft (22) includes an adjustable support means or workholder (24) and a rolling tool assembly (26).  
WO/1995/033595A1
For finishing round surface sections of very heavy workpieces, for example the main pin and crank pin of crankshafts (12) for marine diesel engines, the invention proposes that the finishing belt and the pressure bodies (76) over which i...  
WO/1995/032836A1
A method of accoupling a driven member (50) from a driving member (46) used to rotate the driven member is disclosed. The method comprises the step of connecting the driving member to the driven member via a connecting means (38) which i...  
WO/1995/029791A1
A microfinishing machine particularly adapted for microfinishing external cylindrical surfaces such as found on an internal combustion engine crankshaft bearing journal. The machine includes a microfinishing tool assembly (10) which pres...  
WO/1995/027589A1
The present invention is embodied in a method and apparatus (10) for conditioning a braking surface (34) of a brake assembly (30). The method involves creating at least one groove in brake surface (34), wherein the groove is concentric t...  
WO/1995/006535A1
A crankshaft (20), machining centre has a bed plate (1), at least one driven face plate (3, 5) at one end of the bed plate for clamping a crankshaft end (21, 22), at least one steady (6) movable on the rail plate for supporting the crank...  
WO/1995/005265A1
A grinding device, in particular for crankshafts, has a workpiece spindle head and a footstock which are both provided with a bearing arranged in the extension of the crankshaft axis for receiving the crankshaft at its axial endpoints. T...  
WO/1995/003915A1
In a machine tool a reference straight-edge is mounted on the worktable of the machine tool and the position of the worktable and therefore the workpiece along the x-axis of the machine is determined by reference to the straight edge; a ...  
WO/1995/003913A1
A machining location for machining workpieces, comprising: a machine tool; an enclosure for said machine tool that encloses the entire machine tool within a predetermined space; workpiece storage within said predetermined space for stori...  
WO/1995/003914A1
A machine tool comprising: a machine frame; a work carrying assembly for carrying a workpiece, carried by said machine frame for reciprocal movement along a work axis; and a cover assembly carried by said machine frame and including cove...  
WO/1995/003912A1
A machine tool comprising a bed, a worktable movable relative to the bed along a linear path and a tool movable to engage a workpiece on the worktable wherein drive means for effecting the movement of the worktable relative to the bed an...  
WO/1995/003916A1
A machine tool, comprising: a worktable assembly slidably carried by the machine frame for reciprocal movement along a work axis and which is configured to carry a workpiece. A worktool assembly is slidably carried by said machine frame ...  
WO/1995/003920A1
A machine tool, typically a CNC cylindrical grinding machine comprising a bed; a worktable movable relative to the bed along a linear path; a tool head such as a wheelhead movable in a direction generally perpendicular to the direction o...  
WO/1995/003921A1
A CNC cylindrical grinding machine comprising a bed, a worktable movable relative to the bed along a linear path, wheelhead movable in a direction generally perpendicular to the direction of worktable travel, a rotatable grinding wheel m...  
WO/1995/002486A1
A process is disclosed for manufacturing pistons and piston rods, as well as cylinder for hydraulic or pneumatic units. The sliding surface of a finely trimmed cylindrical semi-finished product made of an aluminium alloy is hard anodized...  
WO/1994/029076A1
The present invention relates to a method for grinding grooves in the rollers of roller guides for rolling mills. According to the invention, the roller (2) of a roller guide is caused to rotate in its own bearing (8, 9, 10) as the groov...  
WO/1994/019150A1
A taper bore grinding machine is used for regrinding taper bores of milling, drilling and forming machines having a machine table. A base plate (1) with an end which receives an adjusting arm (5) with an adjustable angle in relation to t...  
WO/1994/012315A1
The grinding device has a frame (2) with three pairs of supports (61, 62, 63) in star array, transportably supported on foot sections (81, 82) on a base, i.e. cylinders (Z1, Z2, Z3). A band grinder (24) is secured to the frame (2) and co...  
WO/1994/009943A1
A machine for grinding longitudinal troughs in the edges of grooves of a power steering valve input-shaft (4), the input-shaft being supported for rotation on supports (14, 15), a grinding wheel (30) having a contoured periphery correspo...  
WO/1994/002285A1
A pivoting polishing block assembly (6) comprises a torsion arm (18) having a molded polishing block joined thereto in pivoting relation about the central axis of the torsion arm (18). The molded polishing block (6) comprises a polishing...  
WO/1994/002287A1
A method for removing a predetermined amount of material from the inner surface (16, 18, 20, 22) of a circular article (10) which deviates from a true circular configuration. The outer surface (32) of the article (10) is touch probed to ...  
WO/1993/002834A1
The grinder has a frame (6) movable on rollers (8) on which is fitted a grinding device (18) drivable by a motor (84). In order to simplify the grinder and its application to a roll (4) to be treated, the rollers (8) are designed to lowe...  
WO/1992/010334A1
A machine for grinding the metering edge contours on edges of axially extending grooves (46) of a power steering valve input-shaft (7) by means of a cylindrical grinding wheel (1) the machine being constructed to hold and rotate the inpu...  
WO/1992/010331A1
A grinding device is provided for machining and facing workpiecies made of resilient or semi-resilient materials. Said device comprises means (31) for holding the workpiece being processed after the machining operation to allow facing th...  
WO/1992/010333A1
A machine for grinding the outer metering edge contours on the edges of the axially extending grooves of a power steering gear input-shaft (10) in which a substantially cylindrical grinding wheel (40) whose working surface is dressed par...  

Matches 551 - 600 out of 8,890