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Match Document Document Title
7665200 Multiple purpose CNC machine  
A multiple purpose CNC machine that is mountable on a framed, mobile dolly. The machine includes: an open frame base Y-axis (200), a gantry X-axis (300), and a double angle plate (400) that...
7524152 Three-axis micro- and meso-scale machining apparatus  
A three-axis micro- or meso-scale machining apparatus. Embodiments of the apparatus include a spindle having a tool for machining a workpiece, a z-axis movement platform for supporting the spindle...
7441994 Machine tool having a C-shaped frame  
A machine tool includes a machine frame, a worktable, and a spindle unit. The worktable is movable on the machine frame along a first horizontal direction, a second horizontal direction...
7201548 Weight-compensating device  
The present invention relates to a weight compensating device comprising a carrier and a component which is supported on the carrier and is displaceable particularly in vertical direction by means...
7147595 CNC machine tool  
A CNC machine tool includes a worktable supporting two workpieces and rotatable on a base so as to exchange the positions of the workpieces. A post member is fixed on the base. A first horizontal...
6932549 Mandrel-holding slide or sleeve pod for numerical-control machine tools  
In a numerical-control machine tool use is made of a mandrel-holding structure that makes it possible for the machine tool to be used to smoothing/facing and polishing purposes under utilization of...
6915879 Main shaft balancing device for machine tool  
A gas spring comprising a cylinder body filled with compressed gas and an upright rod passing through a rod side end wall member of the cylinder body. By supporting a main shaft unit with the gas...
6916141 Three dimensional tool guide  
A three dimensional tool guide includes first, second and third elongate guide arms mounted orthogonally and in series so as to provide X, Y and Z axes for the guide. The arms are interconnected by...
6883789 Machine tool main shaft balancer  
A machine tool main spindle balancer wherein the annular sealing members of a gas spring that supports the main spindle unit to reduce the load of an elevating mechanism are easily replaceable. A...
6865788 Numerical-control milling machine  
A numerical-control milling machine having a supporting frame; a worktable fitted to the supporting frame so as to oscillate about a substantially horizontal first axis of rotation, and in turn...
6835033 Parallel kinematic structure for a machine tool  
A device for using a parallel structure designed for positioning and displacing a mobile member including at least a fixed element and at least three actuators each including a fixed part and a...
6821064 Apparatus for compensating position errors of spindle head and machine tool provided with same  
An apparatus for compensating position error of a spindle head, comprises: Y-axis control parts 32a, 32b for controlling first and second servomotors 24a, 24b on the basis of a spindle head moving...
6612792 Work table having tool counterbalancing means  
The present invention provides a work table for use with a tool, comprising an inclined work surface, which is substantially planar and is supported by a frame having a base; a gantry movably...
6540459 Apparatus for counterbalancing weight  
The invention relates to an apparatus for counterbalancing the weight of movable machine parts of a machine tool. A simply and compactly designed apparatus of this kind enabling a weight...
6474915 Compensating system for a hexapod  
A hexapod, for example, a hexapod used to position a tool with respect to a part to be machined, includes two spaced plates interconnected by six articulated and extensible legs. The two plates,...
6439813 High-speed production unit for machining operations  
A machine tool includes a spindle-headstock structure with a horizontal axis which is displaceable along three mutually orthogonal axes. The headstock structure is mounted so that it slides along...
6435784 Method and device for the surface machining of a structure such as a cellular structure  
In order to make notches in partitions separating substantially aligned recesses issuing onto the surface of a structure (10), use is made of a machining head (26) having a cutting tool (28) and at...
6334745 Apparatus and method for working double sided workpiece  
An apparatus for working on both sides of a flat workpiece includes a first support surface having a first axial line thereacross, a second support surface juxtaposed to and associated with the...
6145178 Milling machine with horizontal and vertical spindles  
A machine tool comprises a base with an upstanding column, a vertical spindle axis tool driving unit symmetrically located and vertically movable on the front of the column, a frontwards oriented...
5988959 Spindle supporting box structure, a damping structure, a gas supply related device, and a balance cylinder gas actuated device for machine tools  
A spindle supporting box structure, wherein longitudinal parts forming both ends of lateral parts at each of right and left longitudinal side faces facing, with a spindle therebetween, in a...
5873685 Press processing method and press processing device  
The disclosed press processing method and device can chamfer work, for instance by pressing a chamfering tool against the work at a predetermined contact pressure, without detecting the pressing...
5569004 Machine tool positioning arrangement  
A machine tool is provided in which a carriage is supported on the upper flat surface of a work table by first bearings. The carriage extends beyond the bearings in one direction to support a tool,...
5090279 Vertical spindle pedestal  
A vertical spindle pedestal, especially for attachment to a lathe, which vertical spindle pedestal includes a vertical column and a motor driven vertical spindle vertically adjustable relative to...
4923345 Device for adjusting the position of a tool-hoder head along an axis and process employing it  
A device and process for adjusting the position of a tool-holder head along an axis with the tool-head moving along a guiding element and with a pulley mounted to rotate freely on a shaft secured...
4787786 Laminate cutting device  
The present invention relates to a cutting device suitable for cutting one part of a laminate to conform its shape to the other part of the laminate. The device comprises a vertical motion means...
4447178 Horizontal drilling and milling machine with a headstock moving up and down in guides  
A horizontal drilling and milling machine comprises a vertically movable headstock and a spindle sleeve mounted for horizontal run-out from the headstock. Typically, an outer end of the spindle...
4444534 Vertical and horizontal machine tools  
A machine tool apparatus having a bifurcated column structure comprising spaced apart columns which enclose and slidably secure the mounting end of an arm, the opposite end of which receives a...
4149822 Headstock balancing arrangement for machine tools  
This invention relates to a machine tool having an upright column movably supported on a bed with a saddle movable along the guide surface of the column, supported on the bed of the machine tool...
4091712 Spindlehead with spindle driving motor  
A spindlehead arrangement having a headstock and a driving spindle motor mounted separately of each other for vertical movement on separate tracks. The headstock is capable of being removed from...
4048902 Balancing and compensating arrangement  
This invention relates to an arrangement for balancing and compensating for the overhang effect caused by longitudinal movement of a movable part of a machine along a supporting table, in which the...
3988965 Two pressure counterbalance system for machine tool headstocks  
A counterbalance mechanism for a vertically movable machine tool headstock in which the net counterbalance force applied to the headstock is the same for both upward and downward movement of the...
3896938 Device for compensating carriage weight on gantry or cantilevered machine tools  
A weight compensating device especially for machine tools. In order to support the weight of a device, such as a machine tool, carried on a gantry or cantilevered beam and thereby to prevent...
3862586 GANTRY TYPE LARGE MACHINE TOOL  
A gantry type machine tool structure in which there are one or more uprights supporting one or more cross beams along which one or more movable carriages carrying headstocks with the operating...
3858286 TOOL CARRYING HEAD FOR MACHINE TOOLS  
A tool carrying head for a machine tool which comprises at least two interchangeable tool carrying units so that the tools can be changed or adjusted in one unit while the tools in the other unit...
3853423 HORIZONTAL DRILLING AND MILLING MACHINE WITH A HEADSTOCK MOVABLE UPWARDLY AND DOWNWARDLY ON GUIDING MEANS  
A horizontal drilling and milling machine with a counter weight pivotally suspended on a pair of chains, one of which can be adjusted in conformity with the horizontal movement of a supporting...
3707333 HEADSTOCK BALANCING CONSTRUCTION FOR MACHINE TOOLS  
The headstock of a machine tool, and the saddle supporting the headstock, are independently connected to respective counter weights by flexible connectors such as ropes, chains, or the like. A...
3684395 HEADSTOCK BALANCING CONSTRUCTION FOR MACHINE TOOLS  
The balancing construction is applicable to a machine tool of the type including an upright column movably supported on a bed, a saddle movable vertically along the column, and a headstock...
3683744 DEVICE FOR COMPENSATING THE HEAD WEIGHT ON PORTAL OR CANTILEVER TYPE MACHINE TOOLS  
A device for counterbalancing a head slidably mounted on a crossrail in which a cable is secured at one end to the head and the other end of which cable is secured to a cable winch exerting a...
3581623 MILLING-BORING MACHINES  
A portal-type milling-boring machine has two columns disposed on opposite des of a bed over which a workpiece-supporting table moves, a beam extending between the two columns over said bed. Working...
3580133 BALANCE COMPENSATING DEVICE  
A milling and boring machine having an upright with a front face and a rear face and pulleys slideways on the front face, a saddle mounted for sliding movement on the vertical slideway, the saddle...
3671133 BALANCE COMPENSATED MACHINE TOOLS  
3452642 TURRETHEAD MILLING AND LIKE METALWORKING MACHINE  
3344713 Drive mechanism for actuating a movable machine member  
3264905 Machine tools  
3181424 Counterbalancing mechanism  
3176588 Machine tool counterweight  
3168000 Balance compensating devices  
3146472 Tapping machine with means to counterbalance tool carriage and work holder  
3018697 Counterbalance control device  
3010713 Counterbalance  
Matches 1 - 50 out of 57 1 2 >