CN203779323U - Grinding machine capable of automatically trimming grinding wheel - Google Patents
Grinding machine capable of automatically trimming grinding wheel Download PDFInfo
- Publication number
- CN203779323U CN203779323U CN201420227109.4U CN201420227109U CN203779323U CN 203779323 U CN203779323 U CN 203779323U CN 201420227109 U CN201420227109 U CN 201420227109U CN 203779323 U CN203779323 U CN 203779323U
- Authority
- CN
- China
- Prior art keywords
- emery wheel
- mount pad
- grinding wheel
- grinding machine
- grinding
- 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.)
- Expired - Lifetime
Links
- 238000009966 trimming Methods 0.000 title abstract description 8
- 229910001651 emery Inorganic materials 0.000 claims description 144
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000004576 sand Substances 0.000 description 33
- 239000002421 finishing Substances 0.000 description 23
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Landscapes
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The utility model discloses a grinding machine capable of automatically trimming a grinding wheel. The grinding machine comprises a rack, wherein a cross beam and a worktable capable of moving forwards and backwards are horizontally arranged on the rack, a sliding block capable of moving on the cross beam left and right is connected on the cross beam, a grinding wheel mounting base capable of moving up and down is arranged on the sliding block, a grinding wheel for processing a workpiece is arranged on the grinding wheel mounting base, a grinding wheel trimmer is arranged on the rack and comprises a trimming pen mounting base arranged on the rack, and a grinding wheel trimming pen which is positioned in a grinding wheel traveling range and is capable of trimming the grinding wheel while the grinding wheel rotates and moves is fixedly arranged on the trimming pen mounting base. The grinding machine adopts six-shaft numerical control to achieve completely automatic trimming to the grinding wheel in various modes, can achieve batch full-automatic non-intervention production except workpiece clamping, and has high production efficiency, and the labor intensity of workers can be effectively alleviated.
Description
Technical field
The utility model relates to grinding machine field, particularly a kind of grinding machine of energy automatic dressing emery wheel.
Background technology
Grinding machine is the process equipment of often using in industrial production, and emery wheel is installed on grinding machine, and emery wheel there will be the phenomenon of wearing and tearing in the process using, and then can affect the precision of grinding machine converted products,, need to repair emery wheel for this reason, make the precision of emery wheel reach instructions for use.
Fig. 1 shows the sand mode of repairing of traditional grinding machine.On grinding machine, the direct of travel of emery wheel is called Y-axis, and on grinding machine, vertical direction is called Z axis.On the fuselage 7 of grinding machine, be provided with bearing 71, the sliding shoe 72 that can move left and right (claiming Y ' axle hereinafter referred to as this moving direction) on bearing 71 is installed on bearing 71, one grinding wheel dressing pen 721 that can move up and down (claiming Z ' axle hereinafter referred to as this moving direction) is installed on sliding shoe 72, grinding wheel dressing pen 721 is positioned at the top of grinding wheel cover 73, on grinding wheel cover 73, have a breach 731, grinding wheel dressing pen 721 stretches in grinding wheel cover 73 from breach 731, and the Up Highway UHW (bus of the axis top of emery wheel 74) to emery wheel 74 is repaiied sand automatically.The shortcoming that this kind of mode exists has: 1., the Up Highway UHW of emery wheel 74 is repaired, because the error that has accumulated Y ' axle and grinding wheel spindle axis (is that Y ' axle and Y-axis have angle, grinding wheel spindle axis and Y-axis have angle), can cause that to repair the Down Highway (bus of the axis below of emery wheel 74) of emery wheel 74 after sand not parallel with Y-axis, cause emery wheel in the time of processing work, grinding plane out-of-flatness on workpiece, is prone to staircase; 2., the head construction complexity of grinding machine spindle, above grinding wheel cover 73, increase the part of bearing 71, sliding shoe 72 and so on, cost is high, fault rate is high; 3., increased the weight of the Z axis burden of grinding machine; 4., can only be to the i.e. sleeping emery wheel of the horizontally disposed emery wheel 74(of central axis) automatically repair sand, the emery wheel 74(that cannot vertically arrange central axis i.e. vertical emery wheel) realize and automatically repair sand.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model provide a kind of can automatic dressing the grinding machine of emery wheel, its dresser relatively simple for structure, cost is low, fault rate is also low.
The utility model solves the technical scheme that its technical problem adopts:
A kind of grinding machine of energy automatic dressing emery wheel, comprise frame, the workbench that is horizontally installed with crossbeam in described frame and can moves forward and backward, on crossbeam, be connected with the slide block that can horizontally slip on crossbeam, the emery wheel mount pad that can move up and down is installed on described slide block, on described emery wheel mount pad, the emery wheel for processing work is installed, in described frame, be provided with dresser, described dresser comprises a rack-mounted finishing mount pad, on a described finishing mount pad, be installed with and be positioned at emery wheel stroke range, the grinding wheel dressing pen that can repair emery wheel in the time that emery wheel rotates and move.
In the utility model, on described emery wheel mount pad, spill spin block is rotatably installed, described emery wheel is arranged on emery wheel mount pad by spill spin block, and the rotating shaft of described spill spin block is parallel with the moving direction of workbench, and the axis of described emery wheel is perpendicular to the rotating shaft of spill spin block.
In the utility model, described slide block comprises the first slide block and the second slide block, described emery wheel mount pad comprises the first emery wheel mount pad being arranged on the first slide block and is arranged on the second emery wheel mount pad on the second slide block, described emery wheel comprises the first emery wheel being arranged on the first emery wheel mount pad and is arranged on the second emery wheel on the second emery wheel mount pad, described the first emery wheel is arranged on the first emery wheel mount pad by spill spin block, the rotating shaft of described spill spin block is parallel with the moving direction of workbench, and the axis of described the first emery wheel is vertical with the rotating shaft of spill spin block.
In the utility model, the axis of described the first emery wheel is set to vertically when initial.
In the utility model, the axis of the second emery wheel is parallel with the moving direction of the second slide block.
In the utility model, described frame is vertically being provided with guide rail corresponding to the position of a finishing mount pad, and a described finishing mount pad is connected on guide rail by the 3rd slide block.
In the utility model, a described finishing mount pad drives it to move up and down by power set, and a finishing mount pad can move either up or down to a position, and grinding wheel avoiding in the time of emery wheel processing work, in order to avoid interfere with emery wheel.
The beneficial effects of the utility model are: dresser simple in structure, cost is low, failure rate is low.Dresser increases one's load can to the vertical direction of grinding machine.
In addition, the first emery wheel can move in multiple directions, can on the first emery wheel, repair out the machined surface of required various shapes.Spill spin block drives after the first emery wheel rotational positioning, can on the machined surface of the first emery wheel, repair the taper of various angles.
This grinding machine adopts six Shaft and NC Machining Test, and that has realized variety of way repaiies sand completely automatically, can realize (except mounting or dismounting workpiece) full-automatic without intervening production in batches, production efficiency is high, can effectively reduce workman's labour intensity.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is the structural representation of traditional grinding machine;
Fig. 2 is the structural representation of embodiment 1 of the present utility model;
Fig. 3 is the front view of embodiment 1 of the present utility model;
Fig. 4 ~ Fig. 5 is the schematic diagram of embodiment 1 medium plain emery wheel trimmer of the present utility model while repairing the first emery wheel;
Fig. 6 is the schematic diagram of embodiment 1 medium plain emery wheel trimmer of the present utility model while repairing the second emery wheel;
Fig. 7 is the structural representation of embodiment 2 of the present utility model;
Fig. 8 is the front view of embodiment 2 of the present utility model.
Detailed description of the invention
Embodiment 1
As shown in Fig. 2 ~ Fig. 6, a kind of grinding machine of energy automatic dressing emery wheel, comprise frame 1, the workbench 10(that is horizontally installed with crossbeam 2 in described frame 1 and can move forward and backward is X-axis hereinafter referred to as this moving direction), on described crossbeam 2, be connected with the slide block 3 that can horizontally slip on crossbeam 2, the emery wheel mount pad 30 that can move up and down is installed on described slide block 3.Wherein, emery wheel mount pad 30 can be driven to move up and down by actuating unit, can be also that crossbeam 2 moves up and down to drive it to move up and down, and the present embodiment is preferably front a kind of motion conditions.Emery wheel 41 is installed on emery wheel mount pad 30.As preferably, described slide block 3 comprises the first slide block 31 and the second slide block 32.The first slide block 31 can horizontally slip on crossbeam 2 (being V axle hereinafter referred to as this moving direction).Described emery wheel mount pad 30 comprises and is arranged on the first emery wheel mount pad 301 on the first slide block 31 and is arranged on the second emery wheel mount pad 302, the first emery wheel mount pads 301 on the second slide block 32 can move up and down (being W axle hereinafter referred to as this moving direction).On described the first slide block 31, spill spin block 4(being rotatably installed is A axle hereinafter referred to as this rotation direction), the rotating shaft of spill spin block 4 is parallel to X-axis, and the first emery wheel 411 for processing work is installed on described spill spin block 4.The rotating shaft of described spill spin block 4 is vertical with the axis of the first emery wheel 411, and when initial, the axis of the first emery wheel 411 is parallel to W axle.The first emery wheel 411 can be followed spill spin block 4 and be rotated together, and himself also can rotate, and to facilitate, the workpiece on workbench 10 is processed, and therefore, the first emery wheel 411 can move along V axle, W axle, three directions of A axle.In described frame 1, be provided with dresser, described dresser comprises the finishing mount pad 5 being arranged in frame 1, is installed with and is positioned at grinding wheel dressing pen 50 the first emery wheel 411 stroke range, that can repair the first emery wheel 411 on a described finishing mount pad 5 in the time that the first emery wheel 411 rotates and moves.As preferably, a described finishing mount pad 5 drives it to move up and down by power set 51, and described power set 51 are preferably cylinder or hydraulic cylinder.The grinding wheel dressing pen 50 that can repair the first emery wheel 411 is installed on a described finishing mount pad 5.As preferably, the quantity of described finishing pen is more than two, most preferably is three.Three grinding wheel dressing pens 50 are installed in the Qie Gai end, end of repairing a mount pad 5 near the first emery wheel 411.Wherein two grinding wheel dressing pens 50 are vertically arranged on respectively top and the bottom of repairing a mount pad 5, and another grinding wheel dressing pen 50 levels are arranged on the side of a finishing mount pad 5 near the first emery wheel 411.
Described the second slide block 32 can horizontally slip on crossbeam 2 (being Y ' ' axle hereinafter referred to as this moving direction), on the second slide block 32, be provided with and also can follow the second emery wheel mount pad 302 for the second emery wheel 412, the second emery wheels 412 of processing work and move up and down (being Z ' ' axle hereinafter referred to as this moving direction).As preferably, the axis horizontal setting of described the second emery wheel 412, the axis of described the first emery wheel 411 is set to vertically when initial.The first emery wheel 411, after grinding wheel dressing pen 50 finishings, can be repaired out required various shapes, also can process so corresponding shape on workpiece.The horizontal plane of the second emery wheel 412 on can grinding work piece.
Further, described frame 1 is vertically being provided with guide rail 11 corresponding to the position of a finishing mount pad 5, and a described finishing mount pad 5 is connected on guide rail 11 by the 3rd slide block.Preferably, described guide rail 11 is set to two.Arranging of guide rail 11 can make a finishing mount pad 5 keep stable, also more steady when mobile.In the time that grinding wheel dressing pen 50 is repaired the first emery wheel 411 and the second emery wheel 412, a finishing mount pad 5 is not easy to rock, and therefore can not affect the precision of the first emery wheel 411 and the second emery wheel 412.
When finishing, after promoting to move on to a fixed position by power set 51, a finishing mount pad 5 stops.If the first emery wheel 411 is repaired, by the digital control system of grinding machine, execution instruction allows the first emery wheel 411 move and to navigate to along V axle, W axle, A axle and repaiies sand position, automatically repair sand by the first emery wheel 411 in V axle, the axial movement of W.If the second emery wheel 412 is repaired, by the digital control system of grinding machine, carrying out instruction allows the second emery wheel 412 along Y ' ' axle, the motion of Z ' ' axle, allow the second emery wheel 412 running fixes to repairing sand position, automatically repair sand by the second emery wheel 412 in Y ' ' axle, the axial movement of Z ' '.After repairing sand and completing, a finishing mount pad 5 moves down, and to avoid affecting clamping and the processing of workpiece on workbench 10, also avoids interfering with emery wheel 41 simultaneously.
Embodiment 2
As shown in Fig. 7 ~ Fig. 8, the difference of itself and embodiment 1 is, a described finishing mount pad 5 comprises that the second mount pad 502, the first mount pads 501 and the second mount pad 502 that are arranged on the first mount pad 501 of the first emery wheel 411 belows and are arranged on the below of the second emery wheel 412 are installed in frame 1.Two grinding wheel dressing pens 50 are installed on the first mount pad 501, and wherein one vertically arranges, and another is horizontally disposed with.A grinding wheel dressing pen 50 is installed on the second mount pad 502, and this grinding wheel dressing pen 50 vertically arranges.
In addition, the sand method of repairing of grinding machine is as follows:
1., mechanical origin is set on grinding machine, taking fore-and-aft direction as X-axis, taking left and right directions as Y-axis, taking above-below direction as Z axis, set up coordinate system;
2., grinding wheel dressing pen 50 is with respect to enacting mechanical axis point one coordinate (X1, Y1, Z1);
3., when the emery wheel 41 of, newly installing is repaiied sand first, the control panel of manual operation grinding machine, moves to emery wheel 41 and prepares to repair the coordinate place of sand, and record this coordinate (X2, Y2, Z2);
4., carry out one section of numerical control program, the new emery wheel 41 of installing rotates and is automatically fed into desired location by a sand surplus of repairing setting, then emery wheel 41 completes the sand of repairing of whole emery wheel 41 along the direction feeding that is parallel to its axis; If the axis of emery wheel 41 is to be parallel to Y-axis, sand surplus △ Z is repaiied in one section of emery wheel 41 feeding, and the Down Highway of emery wheel 41 is trimmed, and after repairing sand and completing, the coordinate of emery wheel 41 is (X2, Y3, Z3); If the axis of emery wheel 41 is parallel to Z axis, sand surplus △ Y is repaiied in one section of emery wheel 41 feeding, and after repairing sand and completing, the coordinate of emery wheel 41 is (X2, Y4, Z4).
If the 5. horizontally disposed emery wheel 41 of finishing axis, emery wheel 41 is in the time repairing sand for the second time and later, emery wheel 41 first moves to a position, the Z axis coordinate figure of this position is the Z axis coordinate figure of repairing the last time after sand, it is identical that Y-axis coordinate figure and step are repaiied the Y-axis coordinate figure Y2 that sand records in 3. first, automatically repair after sand, the digital control system auto-compensation Z-direction of grinding machine repair sand surplus △ Z so that emery wheel 41 can contact workpiece while working, workpiece is processed; If the emery wheel 41 that finishing axis vertically arranges, emery wheel 41 is in the time repairing sand for the second time and later, emery wheel 41 first moves to a position, the Y-axis coordinate figure of this position is the Y-axis coordinate figure of repairing the last time after sand, it is identical that Z axis coordinate figure and step are repaiied the Z axis coordinate figure Z2 that sand records in 3. first, automatically repair after sand, the digital control system auto-compensation Y direction of grinding machine repair sand surplus △ Y so that can contact workpiece when its work, workpiece is processed.
Compared with the sand mode of repairing of traditional grinding machine, the sand mode of repairing that this grinding machine adopts has the following advantages: 1. the directly Down Highway of trimming wheel 41 of grinding wheel dressing pen 50, and while making grinding, precision is higher; Dresser simple in structure, cost is low, failure rate is low; 3. dresser increases one's load can to the Z axis of grinding machine; 4. vertical grinding wheel and horizontal emery wheel all can be repaiied sand automatically, can repair the forming grinding wheel of various shape machined surfaces in conjunction with the digital control system of grinding machine, can repair the tapered wheel of various angles behind the automatic yaw of the first emery wheel 411 location; 5. this grinding machine adopts six Shaft and NC Machining Test, realizes (except mounting or dismounting workpiece) the full-automation nothing in batches intervention and produces, can greatly increase work efficiency and reduce workman's labour intensity.
The above, be preferred embodiments of the present utility model, but the utility model is not limited to above-described embodiment, as long as it reaches technique effect of the present utility model with any same or similar means, within all should falling into protection domain of the present utility model.
Claims (7)
1. the grinding machine of an energy automatic dressing emery wheel, comprise frame (1), the workbench (10) that is horizontally installed with crossbeam (2) in described frame (1) and can move forward and backward, on crossbeam (2), be connected with the slide block (3) that can horizontally slip on crossbeam (2), it is characterized in that: the emery wheel mount pad (30) that can move up and down is installed on described slide block (3), emery wheel (41) for processing work is installed on described emery wheel mount pad (30), described frame is provided with dresser on (1), described dresser comprises the finishing mount pad (5) being arranged in frame (1), on a described finishing mount pad (5), be installed with and be positioned at emery wheel (41) stroke range, the grinding wheel dressing pen (50) that can repair emery wheel (41) in the time that emery wheel (41) rotate and move.
2. the grinding machine of a kind of energy automatic dressing emery wheel according to claim 1, it is characterized in that: spill spin block (4) is rotatably installed on described emery wheel mount pad (30), described emery wheel (41) is arranged on emery wheel mount pad (30) by spill spin block (4), the rotating shaft of described spill spin block (4) is parallel with the moving direction of workbench (10), and the axis of described emery wheel (4) is perpendicular to the rotating shaft of spill spin block (4).
3. the grinding machine of a kind of energy automatic dressing emery wheel according to claim 1, it is characterized in that: described slide block (3) comprises the first slide block (31) and the second slide block (32), described emery wheel mount pad (30) comprises and is arranged on the first emery wheel mount pad (301) on the first slide block (31) and is arranged on the second emery wheel mount pad (302) on the second slide block (32), described emery wheel (41) comprises and is arranged on the first emery wheel (411) on the first emery wheel mount pad (301) and is arranged on the second emery wheel (412) on the second emery wheel mount pad (302), described the first emery wheel (411) is arranged on the first emery wheel mount pad (301) by spill spin block (4), the rotating shaft of described spill spin block (4) is parallel with the moving direction of workbench (10), the axis of described the first emery wheel (411) is vertical with the rotating shaft of spill spin block (4).
4. the grinding machine of a kind of energy automatic dressing emery wheel according to claim 3, is characterized in that: the axis of described the first emery wheel (41) is set to vertically when initial.
5. the grinding machine of a kind of energy automatic dressing emery wheel according to claim 3, is characterized in that: the axis of the second emery wheel (412) is parallel with the moving direction of the second slide block (32).
6. the grinding machine of a kind of energy automatic dressing emery wheel according to claim 1, it is characterized in that: described frame (1) is vertically being provided with guide rail (11) corresponding to the position of a finishing mount pad (5), and a described finishing mount pad (5) is connected on guide rail (11) by the 3rd slide block.
7. the grinding machine of a kind of energy automatic dressing emery wheel according to claim 1, is characterized in that: a described finishing mount pad (5) drives it to move up and down by power set (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420227109.4U CN203779323U (en) | 2014-05-05 | 2014-05-05 | Grinding machine capable of automatically trimming grinding wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420227109.4U CN203779323U (en) | 2014-05-05 | 2014-05-05 | Grinding machine capable of automatically trimming grinding wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203779323U true CN203779323U (en) | 2014-08-20 |
Family
ID=51315551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420227109.4U Expired - Lifetime CN203779323U (en) | 2014-05-05 | 2014-05-05 | Grinding machine capable of automatically trimming grinding wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203779323U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103991034A (en) * | 2014-05-05 | 2014-08-20 | 邝锦富 | Grinding machine capable of automatically dressing grinding wheel and grinding wheel dressing method of grinding machine |
| CN104385143A (en) * | 2014-11-25 | 2015-03-04 | 捷姆轴承集团有限公司 | Grinding wheel dressing method and device for machining bearing inner ring raceway crowning |
| CN114559372A (en) * | 2022-03-02 | 2022-05-31 | 杭州芝元机电有限公司 | Double-shaft continuous trimmer and control method thereof |
| CN117961678A (en) * | 2024-04-01 | 2024-05-03 | 安徽博尚工业装备有限公司 | Precision surface grinder |
-
2014
- 2014-05-05 CN CN201420227109.4U patent/CN203779323U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103991034A (en) * | 2014-05-05 | 2014-08-20 | 邝锦富 | Grinding machine capable of automatically dressing grinding wheel and grinding wheel dressing method of grinding machine |
| CN104385143A (en) * | 2014-11-25 | 2015-03-04 | 捷姆轴承集团有限公司 | Grinding wheel dressing method and device for machining bearing inner ring raceway crowning |
| CN104385143B (en) * | 2014-11-25 | 2017-05-03 | 捷姆轴承集团有限公司 | Grinding wheel dressing method and device for machining bearing inner ring raceway crowning |
| CN114559372A (en) * | 2022-03-02 | 2022-05-31 | 杭州芝元机电有限公司 | Double-shaft continuous trimmer and control method thereof |
| CN117961678A (en) * | 2024-04-01 | 2024-05-03 | 安徽博尚工业装备有限公司 | Precision surface grinder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103991034B (en) | It is a kind of can automatic dressing emery wheel grinding machine and its repair sand method | |
| CN201346692Y (en) | Numerical control Longmen boring-milling-grinding machine | |
| CN202344277U (en) | Moving device of fixture for X axis and Y axis of multi-axial horizontal type machine tool | |
| CN202556197U (en) | Numerical control vertical type double-station ball cage arc channel ball hole grinding machine | |
| CN202668299U (en) | Multiple-carriage double-main-shaft symmetrical type grinding machining center | |
| CN203779323U (en) | Grinding machine capable of automatically trimming grinding wheel | |
| CN203003659U (en) | Machine tool for running-in machining of ball and valve seat in ball valve | |
| CN202640099U (en) | Bridge type numerical-control planar universal grinder structure | |
| CN201900528U (en) | Flash and burr fine grinding machine tool for metal casting | |
| CN205184501U (en) | Multistation numerical control vertical honing machine | |
| CN207915241U (en) | Numerically control grinder structure | |
| CN201880844U (en) | Automatic numerical control riveter | |
| CN202029007U (en) | Bridge-type numerical control planogrinder structure | |
| CN104942683A (en) | Blade double-end abrasive belt grinding center | |
| CN104439536A (en) | Bevel gear grinding machine tool | |
| CN204935387U (en) | Centreless grinding wheel trimming device | |
| CN203679963U (en) | Numerical control grinding machine tool | |
| CN204771962U (en) | Blade double -end abrasive band grinding center | |
| CN205201011U (en) | Mill and bore integrative digit control machine tool | |
| CN203779098U (en) | Vertical processing machine tool for processing cylindrical valve of water turbine | |
| CN204195409U (en) | A kind of vertical machining centre | |
| CN203751400U (en) | Five-axis machining machine | |
| CN203330800U (en) | Grinding machine for machining crank shaft step surfaces | |
| CN103817369A (en) | Five-axle processing machine | |
| CN102886722A (en) | Numerical control polishing method and device for double-end smooth spiral curved surface |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |
|
| CX01 | Expiry of patent term |