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WO/1990/009870 |
The invention relates to a method and an apparatus for fine-working or microfinishing of workpiece surfaces, particularly rotationally-symmetrically moved workpieces (38) with oscillating or rotating tools such as honing stones (18) or f...
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WO/1990/008624 |
This invention relates to a digitizing method which detects at each axial displacement distance applied to a stylus (2) by a tracer head (3), profiles a model surface (1) so that a displacement distance is equal to a reference displaceme...
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WO/1990/006209 |
This invention relates to a profile-shape machining system of an interactive numeric controller which machines a workpiece by programming a predetermined profile-shape using shape data such as lines, arcs, etc. A cutting direction (9) is...
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WO/1990/004494 |
A control system for a machine tool comprises a unit for generating a signal for an additional turn of the article into a position corresponding to the next helical groove to be machined. Said unit comprises a pick-up (19) of the initial...
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WO/1990/004493 |
This invention relates to an automatic tool selecting system used in a machining program preparing step in an interactive numerical control apparatus or an interactive automatic program preparing apparatus. Tools are read out from a tool...
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WO/1990/002010 |
Safe and structurally simple design for a finebore machine with a turning tool (3) mounted on a boring bar (2), whereby the excursion of the turning tool is produced by a piezoelectric servomotor without any magnetic actuation. This is a...
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WO/1989/011687 |
In the controller of a machining center in accordance with the present invention, a plurality of heads or cutters are connected to control shafts of a plurality of control systems, respectively, and are controlled independently by indivi...
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WO/1989/010237 |
A probe (10) is adapted to track a surface (12A) of a workpiece (12) with a view to determining the profile thereof. The probe (10) is adapted to adopt a position, with respect to the surface (12A), in which a sensing axis (A1) of the pr...
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WO/1989/010236 |
This invention relates to a method for surface notching with a combination lathe. A finishing allowance (TC) and a work passage (15) spaced apart from a work passage by an offset quantity (R) are calculated to execute rough working (2) a...
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WO/1989/006589 |
A surface levelling device for levelling surfaces such as a wooden floor, the device including a rotatable cutting head (130) which is mounted in a movable framework (4) by means of independently controlled screw devices (84, 86). The sc...
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WO/1989/005484 |
A machine tool having a plurality of drive shafts is controlled by a plurality of numerical control units of small capacity. In response to external numerical data, the numerical control units (CNC1) to (CNC4) having a programmable contr...
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WO/1989/003746 |
A digitizing method which comprises measuring the distance to the surface of a model, storing the distance for a predetermined period of time or for every predetermined distance, and finding digital profile data of the model. A normal pr...
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WO/1989/003506 |
In a coordinate measuring machine (10), apparatus for compensating the sensing means for determining the position of a probe (18) for changes in temperature, where the machine base and the support column (44) for the probe have differing...
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WO/1989/002340 |
Regions (ZN1 - ZN3) are partitioned by horizontal and vertical axes passing through a point (Q) specified by a safe position coordinate value (Zs) in a longitudinal direction of a blank (WK) and a safe position coordinate value (Xs) in a...
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WO/1989/002111 |
An involute interpolation system for effecting the machining by a numerical controller is disclosed. The involute unwinding direction, the center position of a basic circle (C) and the radius (R) of the basic circle (C) are instructed to...
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WO/1989/001388 |
A numerical control apparatus for a machining tool having a cross rail (13) movable in the direction of a W-axis and a quill (15) disposed on the cross rail (13) and movable in the direction of a Z-axis which is the same direction as tha...
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WO/1989/000906 |
An apparatus for producing digital data along a profile path obtained by profiling a model surface, and wherein a normal vector is correctly found. First, a probe is moved along the first profile path, the results thereof are digitized a...
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WO/1989/001192 |
Accurate bores can be obtained automatically on CNC boring machines by a controllable radius boring bar. A deliberately undersized pilot bore is first made then the correct bore is approached in several more machining operations, thus al...
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WO/1989/001193 |
In CNC machining, the radius of the circle described by a tool tip has been set manually using a separate setting machine. The present invention allows such a radius to be set automatically. A rotary datuming touch trigger probe has inte...
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WO/1989/001195 |
A numerical controller employs interpolation to control a tool along the profile of the work that is to be machined. The radial offset of the cutting tool is performed at high speeds even during the involute interpolation. Therefore, the...
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WO/1989/000303 |
A method of preparing NC data for coarse machining, wherein a path (QLi) for coarse machining is produced using points on an i-th point train path (PLi) among a plurality of point train paths that are repetitively digitized at predetermi...
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WO/1988/010174 |
A work table used for effecting machining using a rotary abrasive tool. The work table comprises a table (3) for mounting a work (W) and a based (1) mounted on a table (2) of the machine. The table (3) is supported on the base (1) via a ...
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WO/1988/010171 |
An acceleration/deceleration controller is used for a numerical controller in which a machining program is given from an instruction tape (3) to a machine tool and is decoded to simultaneously control movements of a plurality of axles. I...
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WO/1988/007777 |
A bell crank type strip feeding apparatus is disclosed in which one arm (36) of the bell crank (32) is coupled to an actuator (58) and the other arm (38) has a feed pawl (44) thereon for feeding the strip (2). The actuator (58) is a cran...
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WO/1988/007243 |
Curve following apparatus for providing digital output signals indicative of the mathematical shape and/or location of a curve comprising a scanning means having a large number of individual sensors unitarily grouped together into a two ...
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WO/1988/006310 |
A method and a device for preparing an NC program used for a computer-controlled NC lathe. This programming device for a lathe comprises storage means (6) for storing the machining position data for every coordinate axis on the work cont...
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WO/1988/005566 |
Speeds designated to a plurality of blocks are read in advance and the deceleration start position is calculated at a start position of the block that is read first so that the speed of the servo system will become slower than the speed ...
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WO/1988/003459 |
According to the ultra-precise machining method for machining a revolution surface (240) on a workpiece (204) held in position by means of the rotor of a workpiece-holder spindle (1), which rotor is mounted through active magnetic bearin...
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WO/1988/003672 |
A boring tool (30) mounted on the spindle (10) of a boring machine is adapted for automatically producing a first bore (12A) and measure the diameter thereof prior to boring a relatively larger second bore (12B). The tool (30) includes a...
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WO/1988/003073 |
An NC program for pocket machining is prepared by drawing a contour shape (POL) and a graphic cursor (CSR) on a display screen, using points of a graphic cursor successively positioned and input on the display screen as a cutting startin...
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WO/1987/005845 |
The name of a processing step for balance cutting is registered in advance in a parameter storage region (13a). When the name of the step of balance cutting registered in the parameter storage region is input in the step of inputting the...
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WO/1987/005246 |
In preparing programs for numerically controlling a lathe that has a plurality of tool rests to be controlled by independent programs, the prepared programs display the simulation of movement loci of tool rests to practically moving them...
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WO/1987/004960 |
The system comprises, mounted on the support (1) of the machine tool within the displacement zone of the instrument (8), an optical converting device (2) with a laser (10), on whose path of radiation flux (10') are mounted a slot-type na...
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WO/1987/004975 |
A method for lining pipelines for use in the transportation of city water, city gas, petroleum, and other various fluids is provided, particularly a method for lining with a simple operation pipelines laid at the bottom of the water or p...
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WO/1987/003525 |
The rotational direction of a main shaft is stored in a tool data file memory (101b) for each tool. Data necessary for preparing an NC program are stored in an RAM (105) interactively using an operation board (108) or a graphic display d...
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WO/1987/003524 |
In checking the interference of blade plates, the interpolation simulation is executed by interpolation simulators (103, 104) block by block successively based on first and second NC programs (101, 102). When the blade plates are interfe...
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WO/1987/002485 |
A speed control system which enables simultaneous estimation of the speed by an observer based upon position data fed from a rotary encoder and the load torque causative of constant estimation errors, to thereby control the speed by usin...
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WO/1987/000648 |
A region machining method by which the interior of a region (AR) is machined by moving a tool, as if it were weaving a spider web, along a plurality of passages (CP3-CP0, LP5-LP1), which are in turn offset inwardly with respect to a clos...
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WO/1987/000650 |
Region machining method by which the interior of a region (AB) is machined by moving a tool along a plurality of offset passages which are in turn offset inwardly by a predetermined space from a closed curved line (OLC) which defines the...
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WO/1987/000649 |
A region machining method by which the interior of a region (AR) is machined by moving a tool along a plurality of offset passages (CPT1, CPT2, ... CPTn) which are in turn offset inwardly by a predetermined space from a closed curved lin...
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WO/1987/000474 |
Method of machining a surface by reciprocatingly cutting the interior of a region (AR) encompassed by a closed curve. This method comprising: a step of determining the intersections Pi, Qi of an offset curve (OFC') by offsetting from the...
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WO/1987/000475 |
A method of machining a surface in the interior of a region encompassed by a predetermined closed curve (CCL), by moving a tool (TL) along a cutting passage (PTi) in a predetermined direction (the direction of an arrow A) to carry out th...
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WO/1987/000646 |
A machine tool has a workpiece (11) which is rotated by a motor (10). The tool (16) is moved by a tool drive (18) to machine a required surface profile on the workpiece and is also indexed on a carriage (14). The stepping signals for the...
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WO/1986/006997 |
A method of compiling NC programs for a four-axes lathe, to prepare NC programs that make it possible to carry out the machining on two tool rests simultaneously. To increase the machining efficiency, the machining speed is adjusted betw...
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WO/1986/005897 |
The number of signal lines is decreased between a machine tool (1) and a numerical controller (3), and the present position of a mechanical moving portion is correctly recognized at all times on the side of the numerical controller (3). ...
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WO/1986/005010 |
A system for setting the rectangular coordinates of a work for rotots is designed as follows. When an original point, one arbitrary point on a predetermined axis, and a third point, which is in such a plane that includes the two previous...
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WO/1986/004011 |
In a radial arm saw (10), there is disclosed a continuously adjustable restraining device for controlling the speed of cut of the saw (38) through work pieces positioned on the work table (18). The adjustable device has a hydraulic cylin...
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WO/1986/001315 |
In the numerical control system of the present invention, blades (3a), (4a), --- are provided on at least two crossing sides, or preferably on three sides of a quadrilateral, a blade table (2) is provided which is movable in the directio...
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WO/1986/000728 |
A system for returning to the point of origin, a mechanical moving part equipped with a dog. The mechanical moving part is, first, moved in the direction of the dog. When a switching signal (SD)caused by the dog is detected, the mechanic...
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WO/1986/000727 |
A system for setting a tool coordinate system, in which the directions$(1,10)$of fundamental axes of the tool coordinate system are brought into agreement with the directions (X, Y, Z) of fundamental axes of a fundamental robot coordinat...
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