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8041446 Post-process sizing control device for grinding machine  
A post-process sizing control device is provided with origin compensation means for controlling a size measuring device to measure an actual size of a workpiece portion and for compensating the...
7169028 Flexible finishing shoe  
A flexible finishing shoe for finishing a workpiece have a bearing surface and an adjacent side, the flexible finishing shoe comprising a shoe base having a first side and an opposing second side...
6200204 Roll grinder with vibration dampening  
A roll grinder system including a roll grinder bed of high dynamic stiffness, having a roll support and a grinding wheel support fixedly mounted to the roll grinder bed. The roll grinder bed is...
5857895 Checking device for a microfinishing machine tool  
A microfinishing machine tool comprising an abrasive belt and reference and clamping shoes for the machining of a cylindrical surface of a workpiece. In order to perform a checking, in the course...
5679061 System for grinding rings with hydraulic holding  
An annular workpiece having an inner peripheral surface and an outer peripheral surface at least one of which is centered on a workpiece axis is ground by supporting the workpiece hydraulically on...
5437125 Surface polishing assembly  
A universal surface polishing assembly movable along the longitudinal axis of a workpiece including a pair of polishing arms with a surface grinding material affixed to each end of the polishing...
5311704 Method and apparatus for correcting diametrical taper on a workpiece  
A microfinishing arm assembly for reducing taper on selected bearing journal surfaces of various workpieces rotated about a longitudinal axis. The microfinishing arm assembly includes a primary...
5251405 Method for circumferential grinding of radially non-circular workpieces  
A method serves for circumferential grinding of radially non-circular workpieces, in particular for grinding cams (15) or polygons. The workpiece is rotated about a first second axis (13) extending...
5231799 Rail following "Q"-height grinder  
A localized grinder is traversed in series over flat tension mask support rails affixed to a CRT front panel to produce a constant "Q"-height on the mask support surface above the rails. A local...
5157872 Control apparatus for grinding machine  
A control apparatus for controlling the amount of grinding of a belt material in a grinding machine wherein, for example, in the production process of making belts, a cylindrical belt material is...
5155944 Method and apparatus for honing workpieces  
A method and device for honing a workpiece surface to be machined to provide a finished size and surface configuration comprising a honing tool with adjustable honing elements, the elements having...
5150545 Arrangement for measuring the diameter of cylindrical parts during the machining thereof  
This measuring arrangement (1) enables the self-calibration of cylindrical parts (2) in the course of machining and interrupts such machining when a predetermined dimension has been attained. It...
5148636 Size control shoe for microfinishing machine  
Microfinishing devices and processes for in-process gauging of a microfinishing process of generally cylindrical workpieces. A size control shoe is used with a microfinishing shoe such that the...
5079874 Process for controlling an automatic machine for cleaning castings  
An automatic grinding machine for cleaning castings, including a machine stand, supporting mutually adjustable clamping or holding devices for processing a casting, and further including a tool...
4945685 Honing apparatus having electrically operated actuator for relative reciprocating movement between honing head and workpiece  
A honing apparatus for honing a cylindrical surface of a workpiece, including a honing head supporting honing stones, a first drive device having an electrically operated bidirectional actuator for...
4858391 Sizing apparatus for an internal grinder  
Sizing apparatus for an internal grinder having an oscillation motor for oscillating a grinder wheel contacting the inner peripheral surface of an annular work piece, a sizing device to generate...
4831787 Honing process  
A honing process using a honing machine as a honing arbor or spindle, the travel or stroke limit points of which can be set, and that also has a measuring device, with at least one sensor, mounted...
4811524 Cylinder grinding machine with tracing and dimensional and surface checking  
A cylinder grinding machine with devices for tracing and dimensional and surface checking has a front bench provided with rests for supporting the workpiece and a head and a counterhead for...
4807400 Measuring apparatus for grinding machines for cylinders with structural and surface checking devices  
The independent measuring apparatus for grinding machines for cylinders, rollers and the like, according to the invention, consists of a column supported by an independently movable carriage on a...
4703587 Method and relevant apparatus for controlling machine tools  
Two machine tools are provided with control systems for machining two different types of pieces to be matched to each other. In order to obtain small batches of relevant pieces that basically can...
4539777 Machining in-process gage calibration from reference master  
A system and method for controlling operation of a machine tool such as a grinder wherein engagement of the machine tool with a workpiece is controlled in real time by a workpiece measurement...
4506422 Method of producing bearing devices for wheels of automobiles  
A method of manufacturing a bearing assembly for the wheels of automobiles, wherein an axle member B is ground by a first step wherein a raceway surface 5 and a cylindrical seat 6 are...
4505073 Apparatus for sorting power transmission belts  
An apparatus and method of sorting power transmission belts into groups of substantially equal length. The apparatus is entirely automatic and includes mechanism for transferring seriatim the...
4423567 Power stroking honing machine and control apparatus  
A beam stroker honing machine is controlled to provide a vertical stroke by means of a series of non-contacting sensors. The sensors are a plurality of reed switches which sense the position of a...
4294045 Grinding machine with a sizing device  
A grinding machine wherein a wheel support carrying a grinding wheel is moved along a straight path extending at an acute angle to an axis of rotation of a workpiece. For the subsequent...
4291504 Method and apparatus for in-process gaging of tool elements  
A method and apparatus for gaging the cross-sectional bore diameter generated by an abrading type finishing tool in an abrading machine. The tool and plug gage are mechanically mounted to the same...
4274230 Apparatus for controlling a machine tool during the machining of a first workpiece to be matched with a second workpiece already machined  
The invention relates to an apparatus for controlling a machine tool during the machining of a first workpiece to be matched with a second workpiece already machined. The purpose of the invention...
4187646 Apparatus for grinding  
Method and apparatus for controlling the operation of a grinding machine of the type comprising a circular grinding wheel adapted to rotate about its axis and a spindle adapted to hold a workpiece...
4181077 Preparation of printing surfaces  
To make a gravure cylinder, a metal cylinder is formed with recesses in its surface in a regular pattern and all of substantially the same depth, the recesses constituting gravure cells separated...
4181115 Power control of a stone cutting machine having cutting chains  
In a stone cutting machine having a cutting chain rotated by a motor and a separate power feed for the machine, the power consumption of the drive motor is monitored. When the power consumption...
4179854 Grinding machine with rest apparatus  
In a grinding machine, a grinding wheel is digitally fed toward a workpiece being supported by a rest apparatus. Means is provided to measure a diametral dimension of the workpiece during a...
4177607 End surface machining apparatus for a matching workpiece  
An end surface machining apparatus is provided, wherein an end surface of a first workpiece is machined with a second workpiece being inserted into the first workpiece. First and second in-process...
4170851 Grinding machine  
Grinding machine for bearing races and the like in which a grinding plane extending transversely of the race axis is adjusted axially in accordance with variations in the end-to-end dimension of...
4167081 Centerless grinder  
A centerless grinder having a feed mechanism for introducing members at a uniform rate into the grinder. The feed mechanism comprises an escapement mechanism for diverting a member such as a pellet...
4139969 Apparatus for controlling the grinding of workpieces  
An automatic control for a grinding system is disclosed for controlling the advancement of a grinding wheel into a workpiece to provide a substantially constant time span between the termination of...
4117634 Controlling method for a grinding machine  
During rough grinding operation of a grinding machine, metal removal rate of the workpiece is detected for shifting the changing point from the rough grinding to fine grinding, and, with larger...
4074416 Mirror and method of making same  
A mirror, and method of making same, is disclosed. The mirror includes a metallic base material having a low coefficient of thermal expansion, an intermediate layer bonded to the base by a plasma...
4036607 Method and relevant apparatus to check the rotation of mechanical workpieces being machined on grinders  
A method for checking the rotation of mechanical workpieces which includes the steps of measuring the workpiece size, processing the measuring signals occurring to generate at least one signal...
3998010 Cylindrical grinder  
A cylindrical grinder for simultaneously effecting stock removal from a plurality of work diameters of a rotating driven workpiece comprising a grinding wheel assembly including a plurality of...
3964210 Grinding apparatus  
A grinding apparatus has an in-process sizing device to measure a size of a workpiece under grinding, and a detecting device to measure the location of the infeed table on which a grinding wheel is...
3959928 Apparatus for micro-finish machining of compound, circular arc-shaped profiled surfaces in annular workpieces  
Method and apparatus for micro-finish machining of circular arc-shaped profiled surfaces in annular workpieces utilizing a honing tool. After an initial grinding operation the profiled surfaces of...
3934376 Apparatus for controlling the operation of a grinding wheel  
An apparatus for controlling the timing for slowing down the feed of a grinding wheel on a grinding machine against work to enable the wheel to effect a finish cut on the work, in relation to a...
3916576 Grinding machine  
A grinding machine having a gage with a digital readout.
3898440 Size control apparatus for machine tool  
A size control apparatus for a machine tool having an in-process gauge device, a post-process gauge device, a calculating device and a compensating device. The post-process gauge device measures...
3874121 Workpiece mounting apparatus for an internal grinding machine  
A workpiece mounting apparatus in which a measuring gauge for measuring a cylindrical bore of a workpiece is provided with a tapered portion thereon and is fixedly mounted on a shiftable rod which...
3863400 DEVICE FOR CONTROLLING THE APPROACH SPEED IN MACHINE TOOLS PARTICULARLY GRINDING MACHINES  
A device for controlling the approach speed of a grinder toward a piece to be machined which includes a unit containing a control group and a processing group for the continuous evaluation of size...
3862517 METHOD AND APPARATUS FOR MACHINING A WORKPIECE TO A SELECTED DIMENSION  
A selected dimension of an article is gaged by effecting relative movement of the article through a gaging position relative to a gaging sensor which produces a true gaging signal representing the...
3855736 GAGING METHOD AND APPARATUS  
A selected dimension of an article is gaged by effecting relative movement of the article through a gaging position relative to a gaging sensor which produces a true gaging signal representing the...
3852920 MACHINE TOOL HAVING REST APPARATUS  
A grinding machine having means to momentarily stop the in-feed movement of the grinder toward a rotably supported workpiece. The diameter of the workpiece is determined by a sizing device after...
3848369 APPARATUS FOR BALANCE CORRECTING PNEUMATIC TIRES USING REFLECTIVE UNBALANCE CONTROL  
Apparatus and method for balance correcting pneumatic tires are provided by automatically grinding away selected portions of the tread rubber, preferably at center portions of the tread. The...
Matches 1 - 50 out of 91 1 2 >