CN212217972U - High-precision full-automatic numerical control internal circular grinding machine tool - Google Patents
High-precision full-automatic numerical control internal circular grinding machine tool Download PDFInfo
- Publication number
- CN212217972U CN212217972U CN202021088504.0U CN202021088504U CN212217972U CN 212217972 U CN212217972 U CN 212217972U CN 202021088504 U CN202021088504 U CN 202021088504U CN 212217972 U CN212217972 U CN 212217972U
- Authority
- CN
- China
- Prior art keywords
- grinding wheel
- head device
- base
- sliding seat
- numerical control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The utility model discloses a circular grinding machine bed in full-automatic numerical control of high accuracy, include: a bed body; the working head device comprises a first base, a rotating seat and a clamping mechanism, wherein the first base is arranged on the left side of the lathe bed, the rotating seat is rotatably arranged on the first base around a B shaft, the clamping mechanism is rotatably arranged on the rotating seat around an X shaft, and the clamping mechanism is used for clamping a workpiece; the grinding wheel head device comprises a second base, a first sliding seat, a second sliding seat and a grinding wheel, wherein the second base is arranged on the right side of a lathe bed, the first sliding seat is movably arranged on the second base along the Z-axis direction, the second sliding seat is movably arranged on the first sliding seat along the X-axis direction, the grinding wheel is rotatably arranged on the second sliding seat around the X-axis, and the grinding wheel is used for machining a workpiece. The utility model discloses can avoid the precision adjustment degree of difficulty and the relative accuracy control degree of difficulty of grinding wheel head device and working head device effectively, reduce the machining precision and the requirement of assembly precision to the relevant part of lathe.
Description
Technical Field
The utility model relates to a digit control machine tool technical field especially relates to a circular grinding machine bed in full-automatic numerical control of high accuracy.
Background
The existing numerical control internal circular grinding machine tool has the defects that a main shaft rotates, the axial feeding displacement of the main shaft and the radial displacement of the main shaft are not moved, a workpiece shaft rotates and makes radial feeding displacement, and manual correction after shutdown is mostly adopted when taper adjustment is needed.
The main shaft does not move in the radial direction, but the workpiece shaft rotates and does radial feeding displacement, and the defects that: when the main shaft grinds the grinding wheel, the size change of the grinding wheel influences the processing precision, and the swinging taper of the grinding wheel on the main shaft needs to be controlled. Similarly, the workpiece shaft rotates and moves radially, and the movement precision in the three-dimensional direction needs to be controlled. In the arrangement of the shaft system, the displacement and rotation precision control of the workpiece shaft and the main shaft is required. Therefore, the precision adjustment of the main shaft and the workpiece shaft is complex, the relative precision adjustment and control of the two shafts are difficult, the requirements on the machining precision and the assembly precision of relevant parts of the machine tool are higher, and the machining difficulty of the parts of the machine tool is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a circular grinding machine bed in full-automatic numerical control of high accuracy to solve above-mentioned technical problem.
In order to solve the technical problem, the utility model discloses a technical scheme provide a circular grinding machine bed in full-automatic numerical control of high accuracy, include:
a bed body;
the working head device comprises a first base, a rotating seat and a clamping mechanism, wherein the first base is arranged on the left side of the lathe bed, the rotating seat is rotatably arranged on the first base around an axis B, the clamping mechanism is rotatably arranged on the rotating seat around an axis X, and the clamping mechanism is used for clamping a workpiece;
the grinding wheel head device comprises a second base, a first sliding seat, a second sliding seat and a grinding wheel, wherein the second base is arranged on the right side of the lathe bed, the first sliding seat is movably arranged on the second base along the Z-axis direction, the second sliding seat is movably arranged on the first sliding seat along the X-axis direction, the grinding wheel is rotatably arranged on the second sliding seat around the X-axis, and the grinding wheel is used for machining the workpiece.
In an embodiment of the present invention, the grinding wheel head device further includes:
the spindle workbench is arranged on the second sliding seat;
the main shaft is rotatably arranged on the main shaft workbench around an X axis, and the grinding wheel is arranged at one end of the main shaft close to the working head device.
In an embodiment of the utility model, the grinding wheel head device further includes a first motor, the first motor is provided on the second base, the first motor is connected with one end of the first lead screw, the first lead screw is rotatably provided around the Z axis on the second base, be provided with a first lead screw nut on the first lead screw, the first lead screw nut with the first slide fixed connection.
In an embodiment of the present invention, the grinding wheel head device further includes a second motor, the second motor is disposed on the first slide, the second motor is connected to one end of the second lead screw, the second lead screw is rotatably disposed on the first slide around the X-axis, a second lead screw nut is disposed on the second lead screw, and the second lead screw nut is fixedly connected to the second slide.
In an embodiment of the present invention, the working head device further includes:
the workpiece shaft is rotatably arranged on the rotating seat around an X axis, and the clamping mechanism is arranged at one end of the workpiece shaft close to the grinding wheel head device;
and the third motor is arranged on the first base, is in power connection with the rotating seat and is used for driving the rotating seat to rotate around the B shaft relative to the first base.
In an embodiment of the present invention, the clamping mechanism is a hydraulic chuck.
In an embodiment of the present invention, the device further comprises a control device, wherein the control device is electrically connected to the grinding wheel head device and the working head device respectively, and is used for controlling the operations of the grinding wheel head device and the working head device.
In an embodiment of the present invention, the grinding wheel further comprises an automatic dressing device, wherein the automatic dressing device is used for dressing the grinding wheel.
The utility model discloses an in one embodiment, still include automatic unloader that goes up, automatic unloader that goes up is used for the transport the work piece.
In an embodiment of the present invention, the device further comprises a detecting device, wherein the detecting device is used for detecting the size of the processed workpiece; the detection device is electrically connected with the control device and used for feeding back a detection result to the control device, and the control device automatically controls the grinding wheel head device and the working head device to work according to the detection result.
The utility model discloses an useful part lies in:
be different from prior art, use the technical scheme of the utility model, through with fixture around the X axle rotationally set up on the roating seat, the roating seat rotationally sets up on first base around the B axle, rotationally set up the emery wheel on the second slide around the X axle, the second slide is along the movably setting on first slide of X axle direction, first slide is along the movably setting on the second base of Z axle direction, first base and the relative left and right sides that sets up at the lathe bed of second base, thus, translation adjustment motion is done to the emery wheel head device, the rotation adjustment motion is done to the working head device, thereby can avoid the precision adjustment degree of difficulty and the relative precision control degree of difficulty of emery wheel head device and working head device effectively, the requirement to the machining precision and the assembly precision of relevant part of lathe has been reduced, thereby the processing degree of difficulty of lathe part has been reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a high-precision full-automatic numerical control internal circular grinding machine tool according to an embodiment of the present invention.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Referring to fig. 1, an embodiment of the present invention provides a high-precision full-automatic numerical control internal grinding machine, including: a lathe bed 10, a grinding wheel head device 20 and a working head device 30. The working head device 30 comprises a first base 31, a rotary base 32 and a clamping mechanism 35, wherein the first base 31 is arranged on the left side of the lathe bed 10, the rotary base 32 is rotatably arranged on the first base 31 around an axis B, the clamping mechanism 35 is rotatably arranged on the rotary base 32 around an axis X, and the clamping mechanism 35 is used for clamping a workpiece. The wheel head device 20 includes a second base 21, a first base 22, a second base 25, and a grinding wheel 291, the second base 21 is disposed on the right side of the bed 10, the first base 22 is movably disposed on the second base 21 along the Z-axis direction, the second base 25 is movably disposed on the first base 22 along the X-axis direction, the grinding wheel 291 is rotatably disposed on the second base 25 around the X-axis, and the grinding wheel 291 is used for processing a workpiece.
The X-axis direction, the Z-axis direction, and the B-axis direction are all perpendicular to each other.
The high-precision full-automatic numerical control internal circular grinding machine tool is characterized in that the clamping mechanism 35 is rotatably arranged on the rotating seat 32 around an X axis, the rotating seat 32 is rotatably arranged on the first base 31 around an B axis, the grinding wheel 291 is rotatably arranged on the second slide carriage 25 around the X axis, the second slide carriage 25 is movably arranged on the first slide carriage 22 along the X axis direction, the first slide carriage 22 is movably arranged on the second base 21 along the Z axis direction, the first base 31 and the second base 21 are oppositely arranged on the left side and the right side of the machine tool body 10, thus, the grinding wheel head device 20 makes translational adjustment movement, the working head device 30 makes rotational adjustment movement, therefore, the accuracy adjustment difficulty and the relative accuracy control difficulty of the grinding wheel head device 20 and the working head device 30 can be effectively avoided, the requirements on the processing accuracy and the assembling accuracy of relevant parts of a machine tool are reduced, and the processing difficulty of the parts of the machine tool is reduced.
In one embodiment of the present invention, the wheel head assembly 20 further includes a spindle 29 and a spindle table 28. A spindle table 28 is provided on the second carriage 25. A spindle 29 is rotatably provided on the spindle table 28 about the X axis. The grinding wheel 291 is disposed at one end of the spindle 29 near the working head device 30. Wherein the axial direction and the X-axis direction of the main shaft 29 are parallel to each other. It will be appreciated that the spindle 29 may be driven by a power means such as a motor to rotate at high speed.
In an embodiment of the present invention, the wheel head device 20 further includes a first motor 24, the first motor 24 is disposed on the second base 21, the first motor 24 is connected to one end of a first lead screw (not shown), the first lead screw is rotatably disposed on the second base 21 around the Z-axis, a first lead screw nut (not shown) is disposed on the first lead screw, and the first lead screw nut is fixedly connected to the first slide 22. In this way, the first motor 24 can drive the first lead screw to rotate, so as to drive the first lead screw nut and the first slide 22 to move along the Z-axis direction.
Further, the second base 21 is provided with a first guide rail (not shown), and the first carriage 22 is slidably provided on the first guide rail. In this way, the stability of the movement of the first carriage 22 is improved.
Further, the wheel head device 20 further includes a first detection unit 23, and the first detection unit 23 is configured to detect a position of the first carriage 22 moving in the Z-axis direction.
In an embodiment of the present invention, the wheel head device 20 further includes a second motor 27, the second motor 27 is disposed on the first slide 22, the second motor 27 is connected to one end of a second lead screw (not shown), the second lead screw is rotatably disposed on the first slide 22 around the X-axis, a second lead screw nut (not shown) is disposed on the second lead screw, and the second lead screw nut is fixedly connected to the second slide 25. In this way, the second motor 27 can drive the second lead screw to rotate, so as to drive the second lead screw nut and the second slide 25 to move along the X-axis direction.
Further, the first carriage 22 is provided with a second guide rail (not shown), and the second carriage 25 is slidably provided on the second guide rail. In this way, the stability of the movement of the second carriage 25 is improved.
Further, the wheel head device 20 further includes a second detection unit 26, and the second detection unit 26 is configured to detect a position of the second carriage 25 moving in the X-axis direction.
In one embodiment of the present invention, the work head device 30 further comprises a work shaft 34 and a third motor 33. The workpiece spindle 34 is rotatably provided on the rotary base 32 about the X axis, the axial direction and the X axis direction of the workpiece spindle 34 are parallel to each other, and the chucking mechanism 35 is provided at one end of the workpiece spindle 34 near the wheel head device 20. The third motor 33 is disposed on the first base 31 and is in power connection with the rotary base 32 for driving the rotary base 32 to rotate around the axis B relative to the first base 31. Thus, the third motor 33 can drive the rotary base 32 to rotate to drive the clamping mechanism 35 and the workpiece clamped on the clamping mechanism 35 to rotate so as to realize taper adjustment of the workpiece in the B-axis direction. It will be appreciated that the workpiece shaft 34 may be driven to rotate at high speeds by a power device such as a motor.
In one embodiment of the present invention, the clamping mechanism 35 may be a hydraulic chuck.
In an embodiment of the present invention, the high-precision full-automatic numerical control internal circular grinding machine further includes a control device, the control device is electrically connected to the grinding wheel head device 20 and the working head device 30 respectively for controlling the operations of the grinding wheel head device 20 and the working head device 30, i.e. controlling the movement of the grinding wheel 291 of the grinding wheel head device 20 in the X-axis direction and the Z-axis direction and the rotation around the X-axis and controlling the rotation around the B-axis and the X-axis of the clamping mechanism 35 of the working head device 30. Therefore, the full-automatic processing of the workpiece is realized.
In an embodiment of the present invention, the high-precision full-automatic numerical control internal circular grinding machine further includes an automatic dressing device 40, and the automatic dressing device 40 is used for dressing the grinding wheel 291. When the grinding wheel 291 needs dressing, the grinding wheel 291 is fed to the dressing position in the X-axis direction and moved to the dressing wheel surface precision dressing profile in the Z-axis direction.
Specifically, the automatic dressing apparatus 40 includes a fourth motor (not shown) and a dressing wheel (not shown) provided at a driving end of the fourth motor and driven to rotate by the fourth motor, and can dress the grinding wheel 291.
The utility model discloses an in an embodiment, circular grinding machine tool in full-automatic numerical control of high accuracy still includes automatic unloader 50 that goes up, and automatic unloader 50 is used for carrying the work piece, and the work piece that will wait to process is carried to fixture 35 from the material loading position, and the work piece after will processing is carried to the detection position from fixture 35.
The utility model discloses an in an embodiment, high accuracy full-automatic numerical control internal circular grinding machine still includes detection device 60, and detection device 60 is used for detecting the size of the work piece after the processing. The detection device 60 is electrically connected with the control device and is used for feeding back the detection result to the control device, and the control device automatically controls the work of the grinding wheel head device 20 and the work head device 30 according to the detection result.
The utility model discloses a work flow is:
(1) automatic feeding: the automatic loading and unloading device 50 delivers the workpiece to be processed to the clamping mechanism 35 through the pipeline, and the clamping mechanism 35 clamps the workpiece to be processed.
(2) Grinding: firstly, the main shaft 29 is started to realize the high-speed rotation of the grinding wheel 291; secondly, starting the workpiece shaft 34 to realize high-speed rotation of the workpiece to be processed; then, the first motor 24 drives the first sliding seat 22 to move, so that feeding in the grinding Z-axis direction is realized; finally, the second motor 27 drives the second slide carriage 25 to move, and grinding X-axis direction feeding is achieved.
(3) Automatic blanking: the clamping mechanism 35 releases the processed workpiece, and the automatic loading and unloading device 50 carries the processed workpiece to the detection position.
(4) And (3) automatic detection and feedback step: the detection device 60 measures the size of the machined workpiece and feeds back the measured size to the control device, and the control device automatically controls the feeding of the grinding wheel 291 in the Z-axis direction and the feeding of the clamping mechanism 35 in the B-axis direction according to the measurement result, thereby realizing automatic control.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a circular grinding machine bed in full-automatic numerical control of high accuracy which characterized in that includes:
a bed body;
the working head device comprises a first base, a rotating seat and a clamping mechanism, wherein the first base is arranged on the left side of the lathe bed, the rotating seat is rotatably arranged on the first base around an axis B, the clamping mechanism is rotatably arranged on the rotating seat around an axis X, and the clamping mechanism is used for clamping a workpiece;
the grinding wheel head device comprises a second base, a first sliding seat, a second sliding seat and a grinding wheel, wherein the second base is arranged on the right side of the lathe bed, the first sliding seat is movably arranged on the second base along the Z-axis direction, the second sliding seat is movably arranged on the first sliding seat along the X-axis direction, the grinding wheel is rotatably arranged on the second sliding seat around the X-axis, and the grinding wheel is used for machining the workpiece.
2. The high-precision full-automatic numerical control internal circular grinding machine tool according to claim 1, wherein the grinding wheel head device further comprises:
the spindle workbench is arranged on the second sliding seat;
the main shaft is rotatably arranged on the main shaft workbench around an X axis, and the grinding wheel is arranged at one end of the main shaft close to the working head device.
3. The high-precision full-automatic numerical control internal circular grinding machine tool according to claim 2, wherein the grinding wheel head device further comprises a first motor, the first motor is arranged on the second base, the first motor is connected with one end of a first screw rod, the first screw rod is rotatably arranged on the second base around a Z axis, a first screw rod nut is arranged on the first screw rod, and the first screw rod nut is fixedly connected with the first sliding seat.
4. The high-precision full-automatic numerical control internal circular grinding machine tool according to claim 3, wherein the grinding wheel head device further comprises a second motor, the second motor is arranged on the first sliding seat, the second motor is connected with one end of a second lead screw, the second lead screw is rotatably arranged on the first sliding seat around an X axis, a second lead screw nut is arranged on the second lead screw, and the second lead screw nut is fixedly connected with the second sliding seat.
5. The high-precision full-automatic numerical control internal circular grinding machine tool according to claim 1, wherein the working head device further comprises:
the workpiece shaft is rotatably arranged on the rotating seat around an X axis, and the clamping mechanism is arranged at one end of the workpiece shaft close to the grinding wheel head device;
and the third motor is arranged on the first base, is in power connection with the rotating seat and is used for driving the rotating seat to rotate around the B shaft relative to the first base.
6. The high-precision full-automatic numerical control internal circular grinding machine tool according to claim 1, characterized in that the clamping mechanism is a hydraulic chuck.
7. The high-precision full-automatic numerical control internal circular grinding machine tool according to claim 1, further comprising a control device, wherein the control device is electrically connected with the grinding wheel head device and the working head device respectively and used for controlling the work of the grinding wheel head device and the working head device.
8. The high-precision fully-automatic numerical control internal circular grinding machine tool according to claim 1, further comprising an automatic dressing device for dressing the grinding wheel.
9. The high-precision full-automatic numerical control internal circular grinding machine tool according to claim 1, further comprising an automatic loading and unloading device, wherein the automatic loading and unloading device is used for carrying the workpiece.
10. The high-precision full-automatic numerical control internal circular grinding machine tool according to claim 7, characterized by further comprising a detection device for detecting the size of the machined workpiece; the detection device is electrically connected with the control device and used for feeding back a detection result to the control device, and the control device automatically controls the grinding wheel head device and the working head device to work according to the detection result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021088504.0U CN212217972U (en) | 2020-06-14 | 2020-06-14 | High-precision full-automatic numerical control internal circular grinding machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021088504.0U CN212217972U (en) | 2020-06-14 | 2020-06-14 | High-precision full-automatic numerical control internal circular grinding machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212217972U true CN212217972U (en) | 2020-12-25 |
Family
ID=73930313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021088504.0U Active CN212217972U (en) | 2020-06-14 | 2020-06-14 | High-precision full-automatic numerical control internal circular grinding machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212217972U (en) |
-
2020
- 2020-06-14 CN CN202021088504.0U patent/CN212217972U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8360819B2 (en) | Method for grinding a machine part, and grinding machine for carrying out said method | |
| JP4475817B2 (en) | Method and apparatus for machining a toothed workpiece such as a gear before machining | |
| US8979616B2 (en) | Gear processing machine | |
| JP6652839B2 (en) | Gear or profile grinder and method of operation of the grinder | |
| US20020028628A1 (en) | Machining center and method of changing tools thereof | |
| CN106181760A (en) | 8-axes 5-linkage numerical control tool grinder | |
| CN104002208A (en) | Vertical type cylindrical grinding machine | |
| JP5315927B2 (en) | Grinding machine system and grinding method | |
| CN118288129A (en) | Numerical control end face cylindrical grinding machine for efficiently and ultra-precisely grinding high-speed knife handle | |
| CN106239290A (en) | The clamping workpiece device of 8-axes 5-linkage numerical control tool grinder | |
| JP5239251B2 (en) | Traverse grinding apparatus and processing method | |
| CN115351359A (en) | Gear grinding machine tool for grinding spiral bevel gear | |
| CN203900648U (en) | Internal thread grinding machine for ball screw nut | |
| CN220659453U (en) | High-precision grinding machine for machining internal threads | |
| WO2024027597A1 (en) | Tool grinding machine | |
| CN211708919U (en) | Horizontal drill bit grinding machine of shield tunneling machine | |
| CN219987037U (en) | Full-automatic multi-axis numerical control high-speed cutter grinding machine | |
| CN212217972U (en) | High-precision full-automatic numerical control internal circular grinding machine tool | |
| TWM575735U (en) | Lathe device for hard turning and machining of deep-hole ball thread | |
| CN216227931U (en) | Numerical control double-end inner circle turning and grinding combined machine tool | |
| CN213196472U (en) | Horizontal compound grinding machine | |
| CN211388210U (en) | Machine-tool grinding machine tool | |
| CN106239357A (en) | The grinding head device of 8-axes 5-linkage numerical control tool grinder | |
| CN110340774A (en) | High-precision deep groove ball bearing bear inner ring grooved railway and internal-and external diameter composite grinding device and method | |
| CN106217139A (en) | The tray device of 8-axes 5-linkage numerical control tool grinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |