DE102007050745A1 - Spherical-, helical-, conical-, convex-, concave-, and tooth shaped form micro sharpening device for pinion worm gear, has module exhibiting control outputs, which are coupled with inputs of actuator of grinding machine - Google Patents

Abstract

The device has a measuring sensor exhibiting a geometrical form and measures that correspond to that of a cutting surface in a grinding wheel. Another measuring sensor (40) exhibits a direct contact with a machined concave toothing surface, which exhibits a spherical shape. An electrical sensor is provided on the measuring sensors on respective specific axis. A computer numeric control (CNC)-module exhibits control outputs of a micro-interpolator, where the control outputs are electrically coupled with controlled inputs of an actuator of a grinding machine (1).

Description

Field of engineering

These Invention relates to the formation of the products with a complicated Shape of high-strength and brittle materials.

State of the art

nowadays a new kind of products has appeared, which is an encircling one Bevel helical gear imagine that the coupled element pairs includes the spherical-helical conical have convex and concave tooth surfaces whose axes of rotation come together in one point.

One Example of such a product is the angular contact bearing, which is described, for example, in patent RF No. 2247876.

The said angular bearing contains an outer, Inner element and rolling elements. The bearing surface of the inner element is profiled as at least three conical spherical screw-shaped Convex surfaces executed. These are from each other separated with the other inner conical surface, the one Introduces helical line.

Everyone Rolling element introduces a cone part whose Support surface profiled as at least zweigängige Screw wing is formed, which is the conical spherical screw-shaped have concave surfaces. These are with each other separated from the other outer conical surface, which introduces a helix.

The inner bearing surface of the bearing outer element is Conically executed and provides a career for the outer conical surface of each rolling element in front.

The called bearing provides a rotating bevel gear with the rotating axes of all converging in one point engaging pairs of elements. This is for each intermeshing pair the continuous bevel gear teeth simultaneously secured in at least two access points.

to Time is not a single device known which with the high Precision and reasonable capacity the spherical-helical conical convex and concave tooth surfaces of a coupled Edit pair of elements in an angular contact bearing (a circumferential bevel gear screw drive) could be where the axes of rotation of the elements in one point getting together.

The device for the dimensioned micro-grinding of the products is known (patent RU 2165837 ), which includes a grinding machine; it comprises a support for the cutting tool mounted on the frame, which has a cutting surface with bound cutting grains, and the support placed under this support, on which a table with a clamping device for the workpieces is mounted, the drive for table longitudinal adjustment in the Shaping surface on the X coordinate axis of the machine, the drive for longitudinal adjustment of the support with the table in the forming surface on the Y coordinate axis of the machine, the drive for moving the support with the table on the Z coordinate axis of the machine, the rotary drive of the cutting tool -Haltevorrichtung.

there The facility includes a CNC module whose control outputs electrically connected to the corresponding drives. Everyone the drives for longitudinal adjustment on the X and Y coordinate axes The machine introduces a drive that adds an adder Includes planetary pinion gear with cycloidal toothing. there the facility has the system for the ongoing control of the change of static and dynamic components of the cutting forces during the grinding process, whose analysis is information about quality surface treatment of a finished product.

The said device allows the high-precision products with a complicated shape in plastic micro-grinding without Brittle fracture of the machined surface at the high surface quality substantially corresponding to the handwork finished products and the guaranteed dimensions.

The Structural features of this facility make it possible not, the spherical screw-shaped conical convex and concave tooth surfaces of the coupled element pair in to edit a rotating bevel gear, in which the axes of rotation of the elements come together in one point.

Of the Invention has the object to develop a device which makes it possible with the high precision spherical-helical conical convex and concave Tooth surfaces of the coupled element pair in a circumferential To edit bevel gear, in which the axes of rotation of Elements come together in one point, as well as monitoring the geometric shape and dimensions of the machined surfaces to be realized by the grinding machine as a coordinate measuring machine is used.

Method of solution the task

• – eine Haltevorrichtung für das erste Schneidewerkzeug, das um die C1-Achse drehbar ist, die als Normale die XOY-Fläche schneidet, und eine Schneidefläche mit gebundenen Schneidekörnern aufweist, die gleich weit vom Bund abstehen;
• – einen unter dieser Vorrichtung platzierten Support, auf dem der Tisch mit der Spannvorrichtung für die Werkstücke montiert ist;
• – den ersten Antrieb zur Längsverstellung des Tischs hinsichtlich des Supports vom Bezugspunkt O auf der X-Koordinatenachse der Maschine;
• – den zweiten Antrieb zur Längsverstellung des Supports mit dem Tisch vom Bezugspunkt O auf der Y-Koordinatenachse der Maschine;
• – den dritten Antrieb zur Bewegung des Supports mit dem Tisch vom Bezugspunkt O auf der X1-Koordinatenachse der Maschine, bei dem die genannte Bewegung eine resultierende Bewegung des Supports mit dem Tisch vom Bezugspunkt O auf den X- und Z-Koordinatenachsen der Maschine ist;
• – den vierten Drehantrieb zum Drehen der Haltevorrichtung für das erste Schneidewerkzeug um die C1-Achse, die als Normale die horizontale XOY-Fläche schneidet;
• – den fünften Drehantrieb zum Drehen der Werkstücke um die A-Koordinatenachse, die parallel zur XOZ-Fläche der Maschine ist;
• – den sechsten Drehantrieb zum Drehen der Werkstücke um die B-Koordinatenachse, die parallel zur Y-Achse der Maschine ist und als Normale die A-Koordinatenachse schneidet;
• – das Programmsteuergerät, dessen Steuerausgänge elektrisch mit den entsprechenden gesteuerten Eingängen der Maschinen-Stellorgane verbunden sind;

The object is achieved by the device for the dimensioned micro-grinding of high-precision products with a complicated shape, which have the spherical helical conical convex and concave tooth surfaces whose axes of rotation come together in one point. The device includes a grinder oriented in the XYZ coordinate system with a reference point O lying in the XOY horizontal surface. The grinding machine includes a program control device for operating the machine actuators and the following actuators mounted on the machine frame:

• A holding device for the first cutting tool, which is rotatable about the C1 axis, which normally intersects the XOY surface, and has a cutting surface with bound cutting grains which protrude equidistant from the collar;
• A support placed under this device, on which the table with the fixture for the workpieces is mounted;
• The first drive for longitudinal adjustment of the table with respect to the support from the reference point O on the X-coordinate axis of the machine;
• - The second drive for longitudinal adjustment of the support with the table from the reference point O on the Y-coordinate axis of the machine;
• The third drive for moving the support with the table from the reference point O on the X1 coordinate axis of the machine, wherein said movement is a resulting movement of the support with the table from the reference point O on the X and Z coordinate axes of the machine;
• The fourth rotary drive for rotating the holder for the first cutting tool about the C1 axis, which intersects the horizontal XOY surface as normal;
• The fifth rotary drive for rotating the workpieces about the A coordinate axis parallel to the XOZ surface of the machine;
• The sixth rotary drive for rotating the workpieces about the B coordinate axis which is parallel to the Y axis of the machine and cuts as normal the A coordinate axis;
• - The program control device whose control outputs are electrically connected to the corresponding controlled inputs of the machine actuators;

• – den siebten Drehantrieb zum Drehen des zweiten Schneidewerkzeugs um die C2-Achse;
• – den achten Drehantrieb zum Drehen des zweiten Schneidewerkzeugs um die D-Achse;
• – und das Mehrkanalgerät zur laufenden Überwachung der geometrischen und Maßwerte bei den bearbeiteten konvexen und konkaven Zahnflächen, das enthält: – den ersten Messtaster, dessen Ausführung einen unmittelbaren Kontakt mit der bearbeiteten konvexen Zahnfläche vorsieht und der die geometrische Form und Maße aufweist, die der geometrischen Form und den Maßen der Schneidefläche bei der ersten Schleifscheibe entsprechen; – den zweiten Messtaster, dessen Ausführung einen unmittelbaren Kontakt mit der bearbeiteten konkaven Zahnfläche vorsieht und der die Kugelform aufweist, deren Maße den Maßen der Kugel entsprechen, die beim gleichzeitigen Drehen der Schneidefläche der zweiten Schleifscheibe um die C2- und D-Achse gebildet wird; – die linearen Weggeber des ersten und zweiten Messtasters auf den X-, Y- und Z-Koordinatenachsen, dabei verfügt das Programmsteuergerät über die zusätzlichen Steuerausgänge, die elektrisch mit den entsprechenden gesteuerten Eingängen der zusätzlichen Maschinen-Stellorganen verbunden sind.

According to the proposed advantageous embodiment, the first cutting tool provides the possibility of machining convex tooth surfaces and presents a grinding wheel in which the tips of the cutting grains are arranged on the cutting surface of the tool along the circle lying in the XOY surface and a center of curvature has, which coincides with the reference point O of said movements of machine actuators and over which runs the C1 axis of rotation of the first cutting tool. In this case, the grinding machine further includes, as actuators mounted on the machine frame, the second cutting tool holding device which is rotatable about the C2 axis, which intersects the XOY surface as normal and passes over the designated reference point O; the second cutting tool is also rotatable about the D-axis, which as normal intersects the C2-axis in said reference point O. The second cutting tool provides the ability to machine concave surfaces and provides a second grinding wheel having a cutting surface with the bonded cutting grains projecting at the same height from the collar; where the tips of the cutting grains on the second grinding wheel are arranged along the circle lying in the surface which normally intersects the XOY horizontal surface and has a center of curvature coincident with said reference point O.

• The seventh rotary drive for rotating the second cutting tool about the C2 axis;
• The eighth rotary drive for rotating the second cutting tool about the D axis;
• And the multichannel device for the continuous monitoring of the geometrical and dimensional values of the machined convex and concave tooth surfaces, comprising: the first probe, whose design provides direct contact with the machined convex tooth surface and which has the geometrical shape and dimensions that are geometrical Shape and the dimensions of the cutting surface in the first grinding wheel correspond; The second probe, whose design provides direct contact with the machined concave tooth surface and which has the spherical shape whose dimensions correspond to the dimensions of the sphere formed by simultaneously rotating the cutting surface of the second grinding wheel about the C2 and D axes; - The linear encoders of the first and second probe on the X, Y and Z coordinate axes, while the program control unit has the additional control outputs, which are electrically connected to the corresponding controlled inputs of the additional machine actuators.

The said structural features of the proposed advantageous embodiment allow to edit the high-precision spherical-helical conical convex and concave tooth surfaces of a coupled pair of elements in a revolving Kegelradschraubgetriebe, in which the axes of rotation of the elements come together in one point and the monitoring of ge ometric shape and dimensional values in the machined surfaces by using the grinding machine as a coordinate measuring machine.

It is rational that every drive of the first, second, fifth Drive the adder, which includes the first and second gears, each of which is the first and second planetary series of the eccentric Cycloidal toothing of the tooth elements contains the includes first and second motor. The first engine is with the Input shaft of the first transmission coupled, the second motor is coupled to the input shaft of the second transmission. The second Planetary series of the second transmission is kinematically with the first Planet row of the first gear connected, the second planetary series of the first transmission has an output shaft which has an output shaft the adder imagines that the movement of the corresponding actuator of the Machine secures.

Desirable is that in the first gear, the number of tooth elements in the first planetary row of the planet wheel one step higher is as in the second planetary series and that in the second gearbox the number of tooth elements in the first planetary row of the planetary gear is one piece lower than in the second planetary series. The total number of tooth elements in the first and second Planetary series at the first gear equal to the total number of Tooth elements in the first and second planetary series in the second Transmission.

Advantageous would be if the first and second grinding wheel and the first and second probes in the holding device would be stretched, which is designed as a turret and the possibility for indexed turning with respect to the machine frame around the E-axis, which is parallel to the Z-coordinate axis, and to the rigid one Mounting on the frame provides.

Everyone Probe can be made interchangeable and in the positioned provided on the frame-mounted holding device become.

The fundamental novelty of the proposed advantageous Execution becomes by the fundamental novelty of the rotating bevel gear, in which the surfaces of the Elements as bearing surfaces over the entire height each gearing element in the current multi-point gearing and as surfaces of the movable seal over the entire length of each gearing element at the current one Multipoint gearing can be used.

The proposed device allows the sentence of High-precision products with a complicated shape to the coupled ball screw-shaped conical Multi-point interlocking to edit as well as the monitoring the geometric shape and the worked surfaces to be realized by the grinding machine as a coordinate measuring machine is used.

to better understanding of the proposed molding process are the concrete examples of its realization Reference is made to the attached drawings below. It demonstrate:

1 the proposed device realized according to the advantageous embodiment (isometry);

2 the first cutting tool realized according to the proposed advantageous embodiment (cross section);

3 the second cutting tool, which is clamped in the proposed holding device and realized according to the proposed advantageous embodiment (cross section);

4 the machine realized according to the proposed advantageous embodiment (cross-section XOZ surface);

5 the machine realized according to the proposed advantageous embodiment (cross section YOZ surface);

6 the kinematic scheme of the machine realized in accordance with the origenhafte execution;

7 a part of the proposed device with the clamping device for the workpieces, which is realized according to the proposed advantageous embodiment (cross-section Schränkungsfläche the A and B axis);

8th the part of the machine realized according to the proposed advantageous embodiment (cross-section XOZ surface);

9 the second cutting tool with the eighth drive, which is realized according to the proposed advantageous embodiment (cross section);

10 the control flow diagram for the machine, which is realized according to the proposed advantageous embodiment;

11 the mechanical part of the first and second drive, which are realized according to the proposed advantageous embodiment (cross cut).

Examples of realization the invention

The means for forming the ball-helical conical convex and concave tooth surfaces of the coupled pair of elements in a revolving bevel gear, in which the axes of rotation of the elements come together in a point which is realized according to the proposed advantageous embodiment, contains the grinding machine 1 ( 1 ) with the CNC module for operating the machine actuators, which is oriented in the XYZ coordinate system with the reference point O, which lies in the XOY horizontal surface.

The machine 1 destroyed by the flexible processing system 2 and includes the following actuators:
The on the rack 3 fastened holding devices 4 . 41 for the first or second cutting tool 5 . 51 ,

The first cutting tool 5 ( 2 ) is rotatably mounted about the C1 axis, which intersects the XOY surface as normal, and a cutting surface 6 having bound cutting grains which protrude equally high from the collar. The design of the first cutting tool provides for the machining of the convex tooth surfaces and introduces the first grinding wheel, at which the tips of the cutting grains 7 on the cutting surface 6 of the tool are arranged along the circle which lies in the XOY surface and has a center of curvature which coincides with the reference point O of said movements of machine actuators and over which passes the C1 axis of rotation of the first cutting tool.

The second cutting tool 51 ( 3 ) provides for the machining of the concave tooth surfaces and introduces the second grinding wheel rotatably mounted about the C2 axis which normally cuts the XOY surface and passes over said reference point O. The second cutting tool is also rotatable about the D-axis, which as normal intersects the C2-axis in said reference point O. The second cutting tool 51 has a cutting surface 61 with bound cutting grains 71 up, stand the same height from the federal government. In this case, the tips of the cutting grains in the second grinding wheel are arranged along the circle which lies in the surface which intersects as normal the XOY horizontal surface and has a center of curvature which coincides with said reference point O.

Under the holding devices 4 . 41 ( 1 ) of the first and second cutting tools 5 . 51 is the support 8th positioned on the table 9 with the clamping device for the workpieces 11 respectively. 111 is mounted, which have a convex or concave surface.

• – den ersten Antrieb 12 zur Längsverstellung des Tischs 9 in der Horizontalfläche vom Bezugspunkt O auf der X-Koordinatenachse der Maschine 1,
• – den zweiten Antrieb 13 (5) zur Längsverstellung des Supports 8 mit dem Tisch 9 in der Horizontalfläche vom Bezugspunkt O auf der Y-Koordinatenachse der Maschine 1,
• – den dritten Antrieb 14 (4) zur Bewegung des Supports 8 mit dem Tisch 9 vom Bezugspunkt O auf der X1-Koordinatenachse der Maschine 1, bei dem die genannte Bewegung eine resultierende Bewegung des Supports 8 mit dem Tisch 9 vom Bezugspunkt O auf den X- und Z-Koordinatenachsen der Maschine 1 ist,
• – den vierten Drehantrieb 15 (6) zum Drehen der Haltevorrichtung für das erste Schneidewerkzeug 5 um die C1-Achse, die als Normale die horizontale XOY-Fläche schneidet,
• – den fünften Drehantrieb zum Drehen der Werkstücke 11, 111 (7) um die A-Koordinatenachse, die parallel zur XOZ-Fläche der Maschine 1 ist,
• – den sechsten Drehantrieb zum Drehen der Werkstücke 11, 111 um die B-Koordinatenachse, die parallel zur Y-Achse der Maschine 1 ist und als Normale die A-Koordinatenachse schneidet,
• – den siebten Drehantrieb 151 (8) zum Drehen der Haltevorrichtung für das zweite Schneidewerkzeug 51 um die C2-Achse,
• – den achten Drehantrieb 152 (9) zum Drehen des zweiten Schneidewerkzeugs 51 um die D-Achse,
• – den CNC-Modul 16 (7, 10), dessen Steuerausgänge 17, 18, 19, 20, 171, 172 elektrisch mit den entsprechenden erwähnten Antrieben verbunden sind.

The proposed device also contains as actuators:

• - the first drive 12 for longitudinal adjustment of the table 9 in the horizontal plane from the reference point O on the X coordinate axis of the machine 1 .
• - the second drive 13 ( 5 ) for longitudinal adjustment of the support 8th with the table 9 in the horizontal plane from the reference point O on the Y coordinate axis of the machine 1 .
• - the third drive 14 ( 4 ) to move the support 8th with the table 9 from the reference point O on the X1 coordinate axis of the machine 1 in which said movement is a resulting movement of the support 8th with the table 9 from the reference point O on the X and Z coordinate axes of the machine 1 is
• - the fourth rotary drive 15 ( 6 ) for rotating the holding device for the first cutting tool 5 around the C1 axis, which intersects the horizontal XOY plane as normal,
• - The fifth rotary drive for turning the workpieces 11 . 111 ( 7 ) about the A coordinate axis parallel to the XOZ surface of the machine 1 is
• - The sixth rotary drive for turning the workpieces 11 . 111 around the B coordinate axis parallel to the Y axis of the machine 1 is and as normal intersects the A coordinate axis,
• - the seventh rotary drive 151 ( 8th ) for rotating the holding device for the second cutting tool 51 around the C2 axis,
• - the eighth rotary drive 152 ( 9 ) for rotating the second cutting tool 51 about the D-axis,
• - the CNC module 16 ( 7 . 10 ), whose control outputs 17 . 18 . 19 . 20 . 171 . 172 electrically connected to the corresponding mentioned drives.

As indicated, the cutting surface indicates 6 . 61 of the first and second cutting tools 5 . 51 the cutting grains 7 . 71 on, whose tips are the same height from the waistband 21 . 211 protrude.

Every drive 12 . 13 ( 6 ) has the adder 22 respectively. 23 , Every adder 22 . 23 Features the first and second two-pin tenon gearing 241 . 251 respectively. 242 . 252 with the cycloid teeth of the tooth elements with the Eingangselemen th 26 . 27 respectively. 28 . 28 , Every transmission 241 . 251 and 242 . 252 includes the first and second planetary series with the eccentric cycloid gearing of the tooth elements.

In addition, every adder closes the first and second engine 30 . 31 and 32 . 33 one, of which the first with the input member (input shaft) of the first transmission 241 . 251 coupled, the second with the input member (input shaft) of the second transmission 242 . 252 is coupled. The second planetary series of the second transmission 242 . 252 is kinematically with the first planetary series of the first transmission 241 . 251 connected. The second planetary series of the first transmission 241 . 251 has an output shaft which is an output shaft of the adder 22 . 23 introduces the movement of the corresponding actuator of the machine 1 realized.

The device includes the multi-channel device 34 ( 10 ) for the continuous monitoring of the geometrical and dimensional values of the machined convex and concave tooth surfaces. The device 34 includes the circuits, each of which is an electrical sensor 35 . 36 . 37 contains. Every sensor 35 . 36 . 37 is in the appropriate holding device 38 ( 1 ) attached.

The device 32 contains the first probe 39 ( 6 ), whose design provides for direct contact with the machined convex tooth surface, and the second probe, the design of which provides immediate contact with the machined concave tooth surface. This shows the first probe 39 the geometric shape and dimensions corresponding to the geometric shape and the dimensions of the cutting surface in the first grinding wheel. The second probe 40 has the spherical shape whose dimensions correspond to the dimensions of the sphere formed by simultaneously rotating the cutting surface of the second grinding wheel about the C2 and D axes.

Every sensor 35 . 36 . 37 (10) converts the linear movements of each button 39 . 40 ( 6 ) on the X, Y, Z coordinate axes at each point of contact with the machined surface of the workpiece 11 . 111 in the electrical voltage U to.

In addition, the device contains 34 ( 10 ) a normalization voltage amplifier 41 and an analog-to-digital converter 42 whose output 43 with the corresponding input of the multichannel signal recorder 44 connected via the communication interface 45 to the CNC computer 16 connected.

The CNC module 16 is via the communication interface 46 to the linear multichannel micro-interpolator 47 connected to the cache, its outputs 48 ... 57 with the corresponding control inputs of the drives 12 . 13 . 14 are connected.

The device is also compatible with the digital-to-analog converter 58 whose entrance 59 with the corresponding control output of the CNC computer 16 and its outputs 60 with the control inputs of the drives 15 . 151 . 152 are connected.

The third drive 14 ( 6 ) to move the support 8th with the table 9 has the mechanism for progressive movement along the X1 coordinate axis (at the angle α to the X coordinate axis) of the support 8th (which has a wedge shape) on the - with respect to the XOY horizontal surface oblique - guides 61 of the frame 3 ,

The said mechanism includes a double two-lead pinion gear 62 ( 4 ) with the cycloidal toothing with an input member 63 which is connected to the drive stepper motor.

Each contains first and second drive 12 ( 10 ) 13 two control units each 65 . 66 and 67 . 68 for the corresponding stepper motors 30 . 31 and 32 . 33 , The third drive 14 contains a control unit 69 for the stepper motor 64 ,

The fourth rotary drive 15 for rotating the holding device 4 for the first cutting tool 5 is equipped with the AC frequency controller whose input is connected to the output 60 of the digital-to-analog converter 58 and its output 76 with the input of the engine 77 connected is.

The seventh drive 151 and the eighth drive 152 can be the same as the fourth drive 15 be executed.

This can be the eighth rotary drive 152 ( 3 ) for rotating the second cutting tool 51 around the D-axis are designed as a pneumatic propeller drive with the cycloidal toothing, which is installed in the gas-dynamic rotary bearing of the rotor, the cutting tool 51 wearing.

The holding devices 4 ( 8th ) 41 for the first and second cutting tools 5 . 51 For example, they may be implemented as grinding spindle units, with each grinding spindle being received by the aerostatic thrust and radial bearings mounted on the frame 3 are attached.

The mentioned drives - the first, second and third drive 12 ( 10 ) 13 and 14 - contain appropriate mechanisms 79 . 80 and 81 of the type screw-nut, in each of which the input member with the output shaft of the corresponding two-planetary pinion gear 241 ( 6 ) 242 . 251 . 252 . 62 connected is.

The flexible processing system 2 the machine contains the connections 82 ( 10 ) 83 . 84 . 85 to reproduce the different intensive modes of operation in the decrease of the allowance by the corresponding drives. By the said drives, the cutting forces arising on the center of curvature arise 86 the cutting surface are directed by the corresponding tool.

The individual cutting grains 7 ( 2 ) of the cutting surface 6 of the first cutting tool 5 are in the bunch 21 attached in series as single points, on the circle with the center of curvature 86 lie. Each tip of each cutting grain is located 7 in the horizontal plane 87 (XOY) of the machine 1 , The C1 axis of rotation of said circle crosses with the center of curvature 86 the horizontal surface 87 in the center of curvature 86 the circle line, this point is the reference point (O) for the coordinate movements of the actuators in the stationary XYZ coordinate system of the grinding machine.

The individual cutting grains 71 ( 3 ) of the cutting surface 61 of the second cutting tool 51 are in the bunch 211 attached in series as single dots running along the circle 88 are arranged; this circle lies in the plane which as normal intersects the ZOY horizontal surface and has the center of curvature which coincides with said reference point O.

As said, the proposed device contains the fifth rotary drive 89 ( 10 ) for turning the tensioner 10 with the attached workpiece 11 . 111 around the A-coordinate axis and the sixth rotary drive 90 for turning this device 10 with the workpiece 11 . 111 around the B coordinate axis. The electrical inputs of the fifth and sixth drive 89 . 90 are to the appropriate outputs 90 ... 96 of the linear multichannel micro-interpolator 47 connected to the cache.

The named drives 89 ( 10 ) and 90 close the control units 97 . 98 and 99 for the corresponding stepper motors 100 . 101 and 102 one. The linear multichannel micro-interpolator with the buffer has the outputs 90 ... 96 connected to the corresponding control inputs of the drives 89 . 90 are connected.

In addition, the stepper motors 100 . 101 and 102 the drives 89 . 90 one control input each 103 . 104 and 105 and the output waves 106 . 107 and 108 ,

The cited fifth drive 89 ( 7 ) also contains a double two-plunger transmission 109 and a two-plunger transmission 110 with the cycloidal toothing. Here is the input shaft of the transmission 109 mechanically with the output shaft 106 of the stepper motor 100 coupled to the output shaft of the transmission 109 is coaxial with the A coordinate axis and parallel to the XOZ coordinate surface of the machine 1 and mechanically with the tensioning device 10 for the workpieces 11 . 111 coupled.

The input shaft of the two-planetary pinion gear 110 is with the output shaft 107 of the stepper motor 101 connected to the output shaft of the transmission 110 is about the mechanical transmission with the parallel to this shaft output shaft of the transmission 109 connected.

The stated sixth drive 90 Also contains the two-plunger journal drive 111 with the cycloid gearing, whose input shaft is connected to the output shaft 108 of the stepper motor 102 coupled to the output shaft of the transmission 111 is coaxial with the B coordinate axis and parallel to the YOZ coordinate surface of the machine 1 , This includes the flexible processing system 2 the machine contains the connections 112 ( 10 ) 113 for reproducing different intensive modes of operation when the oversize is taken by the corresponding drives 89 . 90 , By the said drives, the cutting forces arising on the center of curvature arise 86 the cutting surface are directed by the corresponding tool.

The CNC module 16 has the control outputs 114 ( 6 ) 115 via the communication interface 46 with the linear multichannel micro-interpolator 47 connected electrically with the drives 89 and 90 connected is.

The digital multi-channel signal recorder 44 ( 10 ) is equipped with the working memories in the number corresponding to the number of electric sensors for the linear movements on the X, Y, Z coordinate axes, and the pulse generator, pulse counter and the control unit. The output of the control unit, the outputs of the pulse counter and the output of each working memory are the outputs of the digital multi-channel signal recorder 44 via the communication interface 45 to the computer of the CNC module 16 are connected.

The tensioning device 10 for the workpieces 11 . 111 contains an additional table 116 ( 7 . 8th ), who is on the table 9 mounted and rotatable about the A and B coordinate axes.

The turntable 116 carries a face plate 117 with the footprint positioned as normal to the A rotation axis. On the faceplate 117 are the cams 118 placed along the round groove the frontal surface of the faceplate 117 are mobile. Besides, on the faceplate 117 whose center lies on the A-coordinate axis, a cone element 119 placed on the faceplate 117 through the spring 120 movable along the A-axis and on the bearing 121 is rotatable about the A-axis.

The mechanical part of the drive 89 is made in two parts, the first part is coaxial with the A-axis and in the central opening of the first part 122 (which performs the functions of the adder) of the turntable 116 housed. The second mechanical part of the drive 89 closes the mentioned gear 110 with the stepper motor 101 and is on the front side of said first part of the housing 122 of the turntable 116 assembled. The axes of rotation of the output shafts are 106 and 107 the corresponding stepper motors 100 and 101 set up parallel to each other.

The second component 123 from the housing of the turntable 116 is in said device 10 on the tilt bearings 124 rotatable about the B coordinate axis.

In the opening of the second part 123 from the housing of the turntable 116 on the tilt bearings 125 who is on the skewers 125 rotatable about the A-axis is a replaceable cone sleeve 126 mounted inside a round conical opening for receiving the workpiece 11 . 111 having.

The first ingredient 122 and the second component 123 can vary depending on the length dimensions of the workpiece 11 . 111 take along the A-axis different rigidly fixed to each other positions to adjust the existing rigidly fixed distance of the flat surface of the face plate 117 from the position of the B-axis.

The mechanical part of the rotary drive 90 for turning the workpiece 11 . 111 around the B-axis is on the housing of the device 10 placed and contains the said gear 111 with the stepper motor 102 that are coaxial with the B axis.

The wave 78 of the motor 77 brings the device 4 with the attached first cutting tool 5 to rotate and carries the angle increment 127 ,

Every drive 12 ( 11 ) 13 contains the adder 22 . 23 , the two parallel input shafts 128 . 129 . 130 . 131 connected to the output shafts 26 . 27 and 28 . 29 of two stepper motors 30 . 31 and 32 . 33 are connected, and an output shaft 132 . 133 which is rigid with the motion screw 134 . 135 coupled to the screw-Wälzmutter mechanism.

Every input shaft 128 . 129 . 130 . 131 of the adder 22 . 23 is an input shaft of the first 136 . 138 and second 137 . 139 hysteresis-free planetary pinion gear. Every transmission 136 . 138 . 137 . 139 has the eccentric cycloid gearing simultaneously in two parallel planetary rows. The rotational movement in the gearbox 136 . 137 . 138 . 139 is from the input shaft 128 . 129 . 130 . 131 for coaxial output shaft 132 . 133 . 140 . 141 transfer. This includes every gearbox 136 . 137 . 138 . 139 the planetary gear 142 . 143 . 144 . 145 with two sprockets and two sun gears 146 . 147 . 148 . 149 . 150 . 151 . 152 . 153 , The transmission of the rotational movement takes place as a result of the planetary movement of the planetary gear 142 . 143 , and 144 . 145 in the simultaneous cycloid toothing of all tooth elements of the first sprocket of the planetary gear 142 . 143 . 144 . 145 with all tooth elements of the first sun gear 146 . 147 and 148 . 149 and in the simultaneous cycloid toothing of all tooth elements of the second sprocket of said planetary gear 142 . 143 , and 144 . 145 with all tooth elements of the second sun gear 150 . 151 and 152 . 153 , This wheel is as a unit with the output member 132 . 133 and 140 . 141 from every gearbox 136 . 137 . 138 and 139 executed.

The second sun wheel 152 . 153 of the second transmission 137 . 139 is about the toothed belt drive 154 . 155 kinematically with the first sun gear 146 . 147 of the second transmission 136 . 138 connected.

At the first transmission 136 . 138 is the number of tooth elements in the first planetary row of the planetary gear 142 . 143 one piece higher than the number of tooth elements in the second planetary series. At the second gear 137 . 139 is the number of tooth elements in the first planetary row of the planetary gear 144 . 145 one piece smaller than the number of tooth elements in the second planetary series. Here, the total number of tooth elements in the first and second planetary rows of planetary gears 142 . 143 from the first gearbox 136 . 138 equal to the total number of tooth elements of the planet gears 144 . 145 in the first and second planetary rows of the second transmission 137 . 139 . 136 . 138 ,

The use in the mechanical part of the drives 12 . 13 . 89 and 90 the said hysteresis-free two-plane pinion gear with the cycloidal toothing allowed - without the achieved at the world level maximum speeds of the listed movements - economically (without the use of feedback sensors with high resolution) to ensure the consistent contour control of Koordinatenbe movements. And that with the value range of the discrete movements extended by a few decimal orders (in the direction of reduction to 0.02 mkm) one control pulse on each Ness.

The double transmission 62 of the drive 14 is structurally the same as the gearbox 111 of the drive 90 executed. The double transmission 62 Contains the series-mounted first and second gearboxes immovable on the frame 3 the grinding machine are attached. Each first and second gear provides a hysteresis-free planetary pinion gear with the eccentric cycloidal teeth simultaneously in two planetary rows before and for the transmission of the rotational movement of the output shaft 63 of the stepper motor 64 for coaxial output shaft 156 ( 4 ) of the transmission 62 certainly. This output shaft is rigid with the motion screw 157 connected to the ball screw, in which the ball nut rigid with the support 8th is coupled.

The proposed device works in the following way:
We consider the function of the proposed device as an example of the machining of coupled element pairs of an angular bearing described above in this specification and in patent RF No. 2247876.

• 1. Das Werkstück wird in den Mittelpunkten positioniert, indem als eine von zwei (gegenüberliegenden) Grundflächen die konische Außenfläche des Werkstücks benutzt wird.
• 2. Das Werkstück wird in den Mittelpunkten entlang der Längsachse auf solche Weise gesichert, dass die Spitze der Grundfläche (der konischen Außenfläche) des Werkstücks mit dem Kreuzungspunkt der A- und B-Achse zusammenfällt.
• 3. Die Ecklage des Werkstücks auf der A-Koordinatenachse wird gesichert. Dabei wird als Sicherung, die in die Aussparung zwischen zwei benachbarten Zähnen des Werkstücks eingeschoben wird, die Profilfläche des entsprechenden Messtasters eingesetzt.
• 4. Es wird das maximale Aufmaß bestimmt, das vom Werkstück abzunehmen ist, um nach der Bearbeitung die Profilfläche zu bekommen, die nach der geometrischen Form und den Maßen den Sollwerten entspricht. Dabei wird als Sicherung, die abwechselnd zwischen jedem Paar der benachbarten Zähnen des Werkstücks eingeführt wird, die Profilfläche des entsprechenden Messtasters eingesetzt. Anhand der Ist-Abweichung beim Soll-Abstand des Kreuzungspunkts der A- und B-Achsen vom Krümmungsmittelpunkt der Profilfläche des entsprechenden Messtasters wird das Ist-Bearbeitungsaufmaß für jede Aussparung zwischen jedem Paar der benachbarten Zähnen bei jedem Werkstück bestimmt.
• 5. Es wird das Richten der Schneidefläche jeder Schleifscheibe vorgenommen, um bei dieser den Krümmungsradius der Profilfläche zu erzielen, der numerisch dem Krümmungsradius der Profilfläche des entsprechenden Messtasters mit Abzug des maximalen von jedem Werkstück abzunehmenden Aufmaßes gleich ist.
• 6. Für jedes gekoppeltes Paar des Werkstücks werden die Koordinaten der Ausgangsposition für den Kreuzungspunkt der A- und B-Koordinatenachse hinsichtlich des Krümmungsmittelpunkts der entsprechenden Schneidefläche bestimmt, deren Krümmungsradius um das Aufmaß kleiner als der Nenn-Krümmungsradius ist.
• 7. Für jedes gekoppelte Paar der Werkstückoberflächen wird gemäß dem Sollwert der Mikroklunker R_z auf der bearbeiteten Oberfläche die Anzahl der Gänge von Stell organen eingestellt, die zur Anfertigung des Fertigerzeugnisses mit der vorgegebenen Form und den vorgegebenen Maßen notwendig sind.
• 8. Für jeden Gang wird aufgrund der analytischen Abhängigkeiten das Steuerprogramm der zusammenhängenden linearen und kreisförmigen Bewegungen der Maschinen-Stellorgane berechnet, indem bei jedem Gang kontinuierlich eine konische spirale Bahn erzeugt wird. Die Gesamtheit dieser Bewegungen bildet die Form der vorgegebenen Oberfläche mit den vorgegebenen Maßen.
• 9. Die Schneidefläche der entsprechenden Schleifscheibe wird in die Ausgangsposition auf solche Weise gebracht, dass mindestens eine der flachen kreisförmigen Bewegungskurven der Spitzen der Schneidekörner auf dieser Schneidefläche in der XOY-Fläche des Maschinen-Koordinatensystems liegt. Dabei wird das Werkstück bei jedem Gang in die entsprechende Ausgangsposition gebracht.
• 10. Es wird das geometrische virtuelle Modell des miteinander gekoppelten Paars von Fertigerzeugnissen vorgegeben, deren gekoppelte konvexe und konkave Oberflächen die mathematisch vorgegebene Form und Maße aufweist. Dabei werden die Koordinaten der momentanen Eingriffspunkte des gekoppelten Paars der konvexen und konkaven Oberflächen sowie die Krümmungsradien der Kugelflächen vorgegeben, auf den die Linien der beidseitigen Berührung von gekoppelten Oberflächen liegen.
• 11. Es wird das reelle virtuelle Modell der Fertigerzeugnisse vorgegeben, die auf den entsprechenden Oberflächen des geometrischen virtuellen Modells als eine bestimmte Menge von einzelnen miteinander gekoppelten Bahnpaaren für das kontinuierliche Abwälzen der reellen konkaven Oberfläche auf der reellen konvexen Oberfläche positioniert sind.
• 12. Zum Schleifen jeder einzelnen Bahn des Werkstücks 11, 11₁ werden die Stellorgane der Maschine 1 in die Ausgangsstellung gebracht, indem die Vorrichtung 10 mit

As a workpiece, the blank is taken, which is injection molded and has a shape that is analogous to the shape of a finished product. However, the workpiece has the dimensions which are larger by the oversizes that are to be removed during machining on the proposed device.

• 1. The workpiece is positioned at the midpoints by using as one of two (opposite) bases the conical outer surface of the workpiece.
• 2. The workpiece is secured in the centers along the longitudinal axis in such a way that the tip of the base (the conical outer surface) of the workpiece coincides with the intersection of the A and B axes.
• 3. The corner position of the workpiece on the A coordinate axis is saved. In this case, the profile surface of the corresponding probe is used as a backup, which is inserted into the recess between two adjacent teeth of the workpiece.
• 4. Determine the maximum allowance to be taken from the workpiece in order to obtain, after machining, the profile surface that corresponds to the nominal values according to the geometric shape and the dimensions. In this case, as a backup, which is alternately introduced between each pair of adjacent teeth of the workpiece, the profile surface of the corresponding probe is used. Based on the actual deviation in the target distance of the crossing point of the A and B axes from the center of curvature of the profile surface of the corresponding probe, the actual machining allowance for each recess between each pair of adjacent teeth is determined for each workpiece.
• 5. It is the directing of the cutting surface of each grinding wheel made in order to achieve the radius of curvature of the profile surface numerically equal to the radius of curvature of the profile surface of the corresponding probe with deduction of the maximum accepted by each workpiece oversize.
• 6. For each coupled pair of the workpiece, the coordinates of the home position for the crossing point of the A and B coordinate axes are determined with respect to the center of curvature of the corresponding cutting surface whose radius of curvature is smaller than the nominal radius of curvature by the allowance.
• 7. For each coupled pair of workpiece surfaces is set according to the target value of the microclutter R _z on the machined surface, the number of courses of adjusting organs, which are necessary for the preparation of the finished product with the given shape and the predetermined dimensions.
• 8. For each gear, due to the analytical dependencies, the control program of the interrelated linear and circular movements of the machine actuators is calculated by continuously generating a conical spiral path at each gear. The totality of these movements forms the shape of the given surface with the given dimensions.
• 9. The cutting surface of the corresponding grinding wheel is brought to the starting position in such a manner that at least one of the flat circular movement curves of the tips of the cutting grains on this cutting surface lies in the XOY surface of the machine coordinate system. In this case, the workpiece is brought in each gear in the appropriate starting position.
• 10. The geometric virtual model of the coupled pair of finished products is given whose coupled convex and concave surfaces have the mathematically predetermined shape and dimensions. In this case, the coordinates of the instantaneous engagement points of the coupled pair of convex and concave surfaces and the radii of curvature of the spherical surfaces are given, on which lie the lines of the two-sided contact of coupled surfaces.
• 11. Provide the real virtual model of the finished products, on the corresponding surfaces of the geometric virtual model, as a set of individual pairs of tracks coupled together for continuous rolling of the real concave surface on the real convex surface are positioned.
• 12. For grinding each individual web of the workpiece 11 . 11 ₁ become the actuators of the machine 1 brought into the starting position by the device 10 With

the attached workpiece 11 . 11 ₁ with regard to the device, 4 . 4 ₁ with the cutting tool 5 . 5 ₁ , is moved.

In doing so, prior to the grinding of each particular track, the adjustment movements of the workpiece are made 11 . 11 ₁ , on the X coordinate axis through the stepper motors 30 and 31 in the drive 12 made on the Y coordinate axis by the stepper motors 32 and 33 in the drive 13 , on the X ₁ coordinate axis through the stepper motor 64 in the drive 14 , on the A coordinate axis through the stepper motors 100 and 101 in the drive 89 , on the B coordinate axis through the stepper motor 102 in the drive 90 ,

• 13. Es wird die Steuerung der Schrittmotoren 30 und 31 im Antrieb 12 der Vorrichtung 10 und der Schrittmotoren 100 und 101 im Antrieb 89 vorgenommen, um die zusammenhängenden formbildenden Bewegungen des Werkstücks 11, 11₁ , hinsichtlich der Schneidefläche der entsprechenden Schleifscheibe 5, 5₁ beim Schleifen jeder einzelnen Abwälzbahn auf der reellen Oberfläche des Werkstücks 11, 11₁ , zu gewährleisten. Der Schnittvorschub zum Abnehmen des Aufmaßes vom Werkstück 11, 11, wird durch die Einstellbewegung entlang der A-Achse des ersten Teils 122 hinsichtlich des zweiten Teils 123 des Drehtischs 116 in der Spannvorrichtung 10 für die Werkstücke 11, 11₁ , realisiert.
• 14. Jede bearbeitete Oberfläche des gekoppelten Elementenpaares wird an den Linien der beidseitigen Berührung der gekoppelten Oberflächen kontrolliert. Es wird die Annäherungsgenauigkeit jeder bearbeiteten Oberfläche an die entsprechende geometrische virtuelle Oberfläche festgestellt, die die kugelig-schraubenförmige koni sche Mehrpunktverzahnung mit allen in einem Punkt zusammenkommenden Drehachsen aller ineinander greifenden Oberflächenpaare ermöglicht.

This ensures the condition under which the point of contact of the cutting surface of the corresponding grinding wheel with the machined surface always lies on the straight line connecting the center of curvature of the corresponding grinding wheel with the center of curvature of this surface in the geometric virtual model.

• 13. It will be the control of the stepper motors 30 and 31 in the drive 12 the device 10 and the stepper motors 100 and 101 in the drive 89 made to the contiguous forming movements of the workpiece 11 . 11 ₁ with regard to the cutting surface of the corresponding grinding wheel 5 . 5 ₁ when grinding each individual rolling track on the real surface of the workpiece 11 . 11 ₁ , to ensure. The cutting feed to remove the allowance from the workpiece 11 . 11 , is determined by the adjustment movement along the A-axis of the first part 122 with regard to the second part 123 of the turntable 116 in the tensioning device 10 for the workpieces 11 . 11 ₁ , realized.
• 14. Each machined surface of the coupled pair of elements is controlled by the lines of the two-sided contact of the coupled surfaces. It is determined the approach accuracy of each machined surface to the corresponding geometric virtual surface, which allows the spherical-helical koni cal multi-point toothing with all converging in one point axes of rotation of all intermeshing surface pairs.

• 15. Die durch die Bearbeitung erzielte Annäherungsgenauigkeit und der zulässige Wert solcher Annäherungsgenauigkeit werden verglichen.

The approach accuracy of each machined surface to the corresponding geometric virtual surface is determined by measuring with the appropriate probe 39 . 40 of the actual radius of curvature at each individual point lying on the line of the two-sided contact, and compared with the target radius of curvature.

• 15. The approach accuracy achieved by the machining and the allowable value of such approach accuracy are compared.

If the achieved approach accuracy is smaller than the permissible Value is, the additional processing of the convex and concave paired surface pairs made by according to the allowance additionally decreased becomes. Such processing is continued until the mentioned achieved closer than or equal the permissible value.

Efficiency of the invention

The proposed invention allows, with the high precision the spherical screw-shaped conical convex and concave Tooth surfaces of the coupled element pair in a circumferential To edit bevel gear, in which the axes of rotation of Elements come together in one point, as well as monitoring the geometric shape and dimensions of the machined surfaces to be realized by the grinding machine as a coordinate measuring machine is used

One Embodiment of the invention is in the drawing shown schematically. Show it:

1 preferred embodiment of the device,

2 the first cutting tool in cross-section,

3 the second cutting tool in cross-section, which is stretched in the provided holding device,

4 the device in, cross section (XOZ surface);

5 the device in cross-section (YOZ surface);

6 the kinematic scheme of the facility,

7 a part of the device with the clamping device for the workpieces in cross section (A and B axis A);

8th a part of the device in cross section (XOZ surface);

9 the second cutting tool with the eighth drive in cross section

10 the control flow diagram for the facility and

11 the mechanical part of the first and the second drive in cross section.

List of positions

1

grinding machine

2

flexible processing system

3

the frame of the machine 1

4, 4 ₁

the Holding devices for the first and second cutting tools

5, 5 ₁

the first and second cutting tools

6 61

the cutting surface

7, 71

the cutting grains

8th

the support of the machine 1

9

the table of the machine 1

10

the Clamping device for the workpieces

11, 11 ₁

the workpieces

12

the drive for the longitudinal adjustment of the table 9 along the OX axis

13

the drive for the longitudinal adjustment of the support 8th along the OY axis

14

the drive for the longitudinal adjustment of the support 8th along the OX ₁ axis

15

the rotary drive for rotating the holding device 4 for the tool 5 around the C1 axis

15 ₁

the rotary drive for rotating the device 4 ₁ with the cutting tool 5 ₁ around the C2 axis

15 ₂

the rotary drive for rotating the cutting tool 5 ₁ around the D axis

16

of the Module for numerical program control (CNC module)

17, 18, 19, 20, 17 ₁ , 17 ₂

the control outputs of the CNC system 16 to the drives 12 . 13 . 14 . 15 . 15 ₁ . 15 ₂

21, 21 ₁

the Bunch of cutting grains

22

the adder of the drive 12

23

the adder of the drive 13

24 ₁ , 25 ₁ , 24 ₂ , 25 ₂

the two-planetary pin transmission in the adders 22 . 23

26 27, 28, 29

the input links in the adders 22 . 23

30 31, 32, 33

the stepper motors in the adders 22 . 23

34

the Multi-channel device for ongoing control

35, 36, 37

of the electrical sensor

38

the holding device for electrical sensors 35 . 36 . 37

39

of the first interchangeable probes

40

of the second interchangeable probes

41

of the Normalization voltage amplifier

42

of the Analog to digital converter

43

of the Output of the analog-to-digital converter

44

of the Multichannel Signal

45

the communication interface connected to the CNC computer 16 connected

46

the communication interface connected to the micro-interpolator 47 connected

47

of the Micro Interpolator

48 ... 57

the outputs of the micro-interpolator 47

58

of the Digital to analog converter

59

the input of the digital-to-analog converter 58

60

the output of the digital-to-analog converter 58

61

the guides of the frame 3

62

the double two-planetary pinion gear of the drive 14

63

the input member of the transmission 62

64

the stepper motor of the drive 14

65, 66, 67, 68, 69

the control units of the stepper motors 12 . 13 . 14

75

of the AC frequency controller

76

the output of the AC frequency regulator 75

77

the motor of the drives, 15 . 15 ₁ . 15 ₂

78

the shaft of the engine 77

79, 80, 81

of the Mechanism screw-nut

82 83, 84, 85

the links

86

the centers of curvature of the cutting surfaces 6 . 6 ₁

87

the horizontal surface

88

the circle on which the cutting grains 71 of the second cutting tool 51 lie

89

the rotary drive for turning the workpieces 11 . 11 ₁ around the A-axis

90

the rotary drive for turning the workpieces 11 . 11 ₁ around the B axis

91 ... 96

the outputs of the micro-interpolator 47

97 98, 99

the control units of the stepper motors of the drives 12 . 13 . 14 . 89 . 90

100 101, 102

the stepper motors of the drives 89 . 90

103 104, 105

the input channels of the stepper motors 100 . 101 . 102 from the control units 97 . 98 . 99

106 107, 108

the output shafts of the stepper motors 100 . 101 . 102

109

the double two-planetary pinion gear of the drive 89

110

the two-planetary pinion gear of the drive 89

111

the transmission of the drive 90

112 113

the links

114 115

the control outputs of the CNC system 16 to the drives 89 . 90

116

of the additional turntable

117

the round face plate of the table 116

118

the cams of the faceplate 117

119

the cone element of the faceplate 117

120

the spring of the cone element 119

121

the angular bearing of the turntable 116

122

the first part of the turntable 116 that fulfills the function of the adder

123

the second part of the turntable 116

124 125

the angular bearing of the turntable 116

126

the exchangeable cone sleeve

127

the angle incremental encoder in the drives 15 . 15 ₁ . 15 ₂

128 ... 131

the input waves of the adders 22 . 23

132 133

the output shaft of the gearbox 136 . 137

134 135

the movement screw of the mechanism screw-nut 79 . 80

136

the first hysteresis-free planetary pinion gear of the adder 22

137

the second hysteresis-free planetary pinion gear of the adder 22

138

the first hysteresis-free planetary pinion gear of the adder 23

139

the second hysteresis-free planetary pinion gear of the adder 23

140 141

the output shafts of the gears 138 . 139

142 ... 145

the planet gears of the gears 136 ... 139

146 ... 153

the sun gears of the gears 136 ... 139

154 155

the timing belt drives of the adders 22 . 23

156

the output shaft of the transmission 62

157

the movement screw of the mechanism screw-nut 81

158

the ball nut of the mechanism screw nut 81

QUOTES INCLUDE IN THE DESCRIPTION

This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Cited patent literature

• - RU 2165837 [0009]

Claims (5)

Device for micro-grinding of spherical-conical, conical, convex, concave and tooth-like forms of a pair of coupled elements whose axes of rotation intersect and comprise the following features: a grinding machine ( 1 ), which is oriented in the XYZ coordinate system with the reference point O lying in the XOY horizontal surface, - a CNC module for operating the actuators of the machine ( 1 ) - a frame ( 3 ) with organs, namely a) a holding device ( 4 ) for the first cutting tool ( 5 ) which is rotatably mounted about the C1 axis, which intersects the XOY horizontal surface as normal, wherein the cutting surface ( 6 ) Cutting grains ( 7 ), which are equal to the federal ( 21 ), b) one under this device ( 4 ) positioned support ( 8th ) on which the table ( 9 ) with the tensioning device ( 10 ) for the workpieces ( 11 . 111 ), c) a first drive ( 12 ) for longitudinal adjustment of the table ( 9 ) regarding the support ( 8th ) from the reference point O on the X-coordinate axis of the machine, d) a second drive ( 13 ) for longitudinal adjustment of the support ( 8th ) on the table ( 9 ) from the reference point O on the Y coordinate axis of the machine, e) a third drive ( 14 ) to move the support ( 8th ) on the table ( 9 ) from the reference point O on the X1 coordinate axis of the machine 1 in which said movement is a resulting movement of the support ( 8th ) on the table ( 9 ) from the reference point O on the X and Z coordinate axes of the machine ( 1 ), f) a fourth drive ( 15 ) for rotating the holding device of the first cutting tool ( 5 ) about the C1 axis, which intersects the horizontal XOY surface as normal, g) a fifth rotary drive ( 89 ) for turning the workpieces ( 11 . 111 ) about the A coordinate axis parallel to the XOZ surface of the machine ( 1 ), h) a sixth drive ( 90 ) for turning the workpieces ( 11 . 111 ) about the B coordinate axis parallel to the Y axis of the machine ( 1 ) and as normal intersects the A coordinate axis, i) a control unit whose control outputs ( 48 ... 57 ) are electrically connected to the corresponding controlled inputs of the actuators of the machine, characterized in that the first cutting tool ( 5 ) is provided for processing convex tooth surfaces and the first grinding wheel has the tips of the cutting grains ( 7 ) on the cutting surface ( 6 ) of the tool are arranged along the circle such that the circle lies in the XOY surface and has a center of curvature which coincides with the reference point O of said movements of actuators of the machine ( 1 ) and over which the C1 axis of rotation of the first cutting tool ( 5 ) that the grinding machine ( 1 ) on the frame ( 3 ) has fixed actuators that a holding device ( 41 ) for the second cutting tool ( 51 ) which is mounted so as to be rotatable about the C2 axis, which intersects the XOY surface as normal and extends over said reference point O, as well as about the D axis, which as normal intersects the C2 axis in said reference point O, that the second cutting tool ( 51 ) is provided for machining concave surfaces and has a second grinding wheel which has a cutting surface ( 61 ) with the bound cutting grains ( 71 ), which is equal to the Bund ( 211 ) protrude that the tips of the cutting grains ( 71 ) are arranged along the circle in the second grinding wheel, which lies in the surface which normally intersects the XOY horizontal surface and has a center of curvature such that the center of curvature coincides with the reference point O, that the seventh rotary drive ( 151 ) for rotating the second cutting tool ( 51 ) about the C2 axis is provided that the eighth rotary drive ( 152 ) for rotating the second cutting tool ( 51 ) are provided around the D-axis and the multi-channel device for the continuous monitoring of the dimensional and geometric values in the machined convex and concave tooth surfaces, that finely the first probe ( 39 ) whose design provides for direct contact with the machined convex tooth surface and which has the geometric shape and dimensions corresponding to the geometric shape and the dimensions of the cutting surface ( 6 ) at the first grinding wheel correspond to a second probe ( 40 ) is provided, which has a direct contact with the machined concave tooth surface and the spherical shape, the dimensions of which correspond to the dimensions of the ball, the simultaneous rotation of the cutting surface ( 61 ) of the second grinding wheel is formed around the C2 and D axes, that a linear displacement sensor ( 35 . 36 . 37 ) of the first and second probes ( 39 . 40 ) is provided on the X, Y and Z coordinate axes and that the program control device ( 16 ) further control outputs ( 91 ... 96 ) electrically connected to the corresponding controlled inputs of the additional actuators of the machine ( 1 ) are connected. Device according to claim 1, characterized in that the first, second and fifth drive ( 12 . 13 . 89 ) an adder ( 22 . 23 . 122 ) comprising the first and second transmissions ( 241 . 242 . 251 . 252 ) that each of these transmissions include a first and a second planetary series of the eccentric cycloid gearing from the tooth elements, and the first and second motors ( 30 . 31 . 32 . 33 . 100 . 101 ) include that the first engine ( 30 . 32 . 100 ) with the input shaft ( 26 . 28 . 106 ) of the first transmission ( 241 . 251 . 109 ) and the second motor ( 31 . 33 . 101 ) with the input shaft ( 27 . 29 . 107 ) of the second transmission ( 242 . 252 . 110 ) is coupled, that the second planetary series of the second transmission ( 242 . 252 . 110 ) kinematically with the first planetary series of the first transmission ( 241 . 251 . 109 ) and that the second planetary series of the first transmission ( 241 . 251 . 109 ) has an output shaft which has an output shaft of the adder ( 22 . 23 . 102 ) representing the movement of the corresponding actuator of the machine ( 1 ) guaranteed. Device according to claim 1 or 2, characterized in that in the first transmission ( 136 . 138 ) the number of tooth elements in the first planetary row of the planetary gear ( 142 . 143 ) is one piece higher than that in the second planetary series, that in the second transmission ( 137 . 139 ) the number of tooth elements in the first planetary row of the planetary gear ( 144 . 145 ) is one piece smaller than the number of tooth elements in the second planetary series, and that the total number of tooth elements in the first and second planetary series of planetary gears ( 142 . 143 ) at the first transmission ( 136 . 138 ) equal to the total number of tooth elements of the planet gears ( 144 . 145 ) in the first and second planetary series in the second transmission ( 137 . 139 . 136 . 138 ). Device according to one of claims 1 to 3, characterized in that the first and the second grinding wheel and the first and the second probe ( 39 . 40 ) are clamped in the holding device provided for this purpose, which is designed as a turret head and the possibility for indexed rotation with respect to the frame ( 3 ) the machine ( 1 ) around the E-axis, which is parallel to the Z-coordinate axis, and for rigid mounting on the frame ( 3 ). Device according to one of claims 1 to 4, characterized in that each probe ( 39 . 40 ) is interchangeable and in the space provided on the frame ( 3 ) mounted holding device ( 38 ) is positioned.