CN107263323B - Ball-end grinding wheel dressing method in place when superfine grinding special-shaped thin wall structural member - Google Patents
Ball-end grinding wheel dressing method in place when superfine grinding special-shaped thin wall structural member Download PDFInfo
- Publication number
- CN107263323B CN107263323B CN201710703097.6A CN201710703097A CN107263323B CN 107263323 B CN107263323 B CN 107263323B CN 201710703097 A CN201710703097 A CN 201710703097A CN 107263323 B CN107263323 B CN 107263323B
- Authority
- CN
- China
- Prior art keywords
- grinding wheel
- ball
- axis
- knife
- end 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/06—Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/12—Dressing tools; Holders therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The present invention provides a kind of easy to operate, and it is convenient to realize, fast, without repeating to modify and the ball-end grinding wheel dressing method in place to knife process and when guaranteeing the superfine grinding special-shaped thin wall structural member of the higher dressing quality of grinding wheel of grinding, is related to a kind of processing technology.The invention firstly uses No. 3 and No. 4 sphere centre coordinates and finishing electrode position coordinates to knife and monitoring device calibration ball-end grinding wheel in finishing station；Then calibration ball-end grinding wheel is away from No. 1 position coordinates to knife and monitoring device；The state of wear of grinding wheel is monitored and judged to ball-end grinding wheel in superfine grinding；Suspend superfine grinding to be modified in place to ball-end grinding wheel, using No. 4 dressing qualities to knife and monitoring device monitoring spark discharge state and ball-end grinding wheel；The sphere center position that grinding wheel is adjusted after finishing, finds program origin when grinding, and continue unfinished precision grinding machining.
Description
Technical field
The present invention relates to ball-end grinding wheels when a kind of a kind of processing technology, in particular to superfine grinding special-shaped thin wall structural member
Dressing method in place.
Background technique
With the development of science and technology, increasingly harsher requirement, while part institute are proposed to the processing quality of part
The material of selection also tends to the hard brittle materials such as vitreous silica, ceramics, such material has chemical stability good, the spies such as hardness height
Point, but also difficulty is brought for its processing.In order to meet the processing request of such material, superfine grinding is that one kind has development very much
The processing method of prospect.For some abnormally-structured while there is the superfine grinding of small radius of curvature indent noodles part to add
Work, conventional grinding wheel cannot achieve its grinding, it is therefore desirable to using a kind of metal-based diamond ball-end grinding wheel of small size.
Metal-base diamond grinding wheel well combines the grinding performance of the wearability of metallic matrix and diamond abrasive grain.But these
But also metal-base diamond grinding wheel finishing is more difficult, existing machine finish method is difficult to realize its high-precision and repairs advantage
It is whole, so needing using electric spark shaving.And superfine grinding is being carried out for the metal-based diamond ball-end grinding wheel of minor diameter
When, the abrasion of ball-end grinding wheel is the problem of can not be ignored, the ball-end grinding wheel of abrasion will seriously affect workpiece surface figure accuracy and
Machined surface quality, so needing to propose a kind of ball-end grinding wheel electric spark shaving method in place.Crushing opportunity is sentenced simultaneously
Disconnected is also a very crucial factor, and finishing can then waste grinding wheel and increase processing overall time too early, and finishing then can too late
The surface quality of workpiece after influence superfine grinding.
Summary of the invention
In view of the above deficiencies, the present invention provides a kind of realize and wears in Grinding Process to minor diameter ball-end grinding wheel 6
State is monitored, to judge whether ball-end grinding wheel needs electric spark shaving in place；And ball-end grinding wheel can be modified in place
Spark discharge state is monitored dressing accuracy and dressing quality to guarantee ball-end grinding wheel in the process；It finally can be realized ball
It is special-shaped it is not necessary that the superfine grinding of the precision grinding machining process of pause can be continued to complete to knife again after head crushing
Ball-end grinding wheel dressing method in place when thin-walled workpiece.
Ball-end grinding wheel dressing method in place when superfine grinding special-shaped thin wall structural member of the invention, the method be based on plus
Tooling sets realization, the processing unit (plant) include grinding attachment, work spindle 8, electric spark shaving device, four knife and monitoring are filled
It sets and mobile platform 2；
Work spindle 8 and electric spark shaving device are disposed side by side on mobile platform 2；
No. 2 opposites for knife and monitoring device being arranged in grinding spindle, No. 2 axis to knife and monitoring device and grinding are led
The axis of axis on the same line, is used to match to special-shaped thin wall structure knife detection device with No. 1 before superfine grinding
Part is carried out to knife；
No. 1 side for knife and monitoring device being arranged in grinding spindle, No. 1 axis to knife and monitoring device and grinding are led
The axis of axis is vertical, for being monitored during superfine grinding to machining state；
No. 3 opposites for knife and monitoring device being arranged in electric spark shaving device, No. 3 axis to knife and monitoring device with
On the same line, No. 3 cooperate to knife and monitoring device with No. 4 to the axis of electric spark shaving device to knife and monitoring device
For realizing modified before electric spark shaving electrode and 6 relative position of ball-end grinding wheel to knife；
No. 4 sides for knife and monitoring device being arranged in electric spark shaving device, No. 4 axis to knife and monitoring device with
The axis of electric spark shaving device is vertical；No. 4 monitorings to knife and monitoring device for spark discharge state in dressing process；
Grinding attachment is located at the top of work spindle 8 and electric spark shaving device；Grinding attachment is right using ball-end grinding wheel 6
Special-shaped thin wall structural member on work spindle 8 carries out superfine grinding, while the position by adjusting mobile platform 2, electric spark
Trimming device modifies the ball-end grinding wheel 6 using finishing electrode in place；
6 radius of ball-end grinding wheel is less than 4mm；
Described method includes following steps:
Step 1: adjustment mobile platform 2 and grinding attachment make ball-end grinding wheel 6 be located at the position of electric spark shaving, utilize 3
Number and No. 4 knife and monitoring device demarcate the sphere center position of ball-end grinding wheel 6, obtain sphere center position when finishing in place and
Modify the supplying position of electrode；
Step 2: the position that mobile platform 2 makes ball-end grinding wheel 6 be located at superfine grinding is adjusted, using No. 1 to knife and monitoring
Device demarcates the centre of sphere of ball-end grinding wheel 6, the sphere center position being monitored when obtaining superfine grinding to ball-end grinding wheel 6,
Adjustment mobile platform 2 makes ball-end grinding wheel 6 be located at the sphere center position being monitored to ball-end grinding wheel 6；
Step 3: superfine grinding is carried out to the special-shaped thin wall structural member on grinding spindle using ball-end grinding wheel 6, No. 1 right
Whether knife and monitoring device are monitored the degree of wear of ball-end grinding wheel 6, judge abrasion of grinding wheel degree and need to modify, if
It is to suspend superfine grinding, records the Working position of special-shaped thin wall structural member, then step 4 is transferred to, if it is not, continuing to execute step
Three；
Step 4: adjustment mobile platform 2 and grinding attachment, when ball-end grinding wheel 6 being made to be located at the finishing in place of step 1 acquisition
Sphere center position；
Step 5: electric spark shaving device carries out electric spark shaving in place to ball-end grinding wheel 6 using finishing electrode, utilizes 4
Number are modified by state and if the finishing of ball-end grinding wheel 6 reaches requirement is transferred to step for knife and monitoring device monitoring ball-end grinding wheel 6
Rapid six, if it is not, repeating step 5；
Step 6: determining after modifying with the ball-end grinding wheel 6 before finishing along the move distance of grinding wheel axis, according to this distance,
Sphere center position when ball-end grinding wheel 6 being made to return to superfine grinding；
Step 7: ball-end grinding wheel 6 is moved at the Working position of the special-shaped thin wall structural member recorded in step 3, is transferred to
Step 3.
Preferably, the mobile platform 2 includes workbench, X-axis motion platform and Y-axis motion platform,
Work spindle 8 and electric spark shaving device are arranged side by side on the table, X-axis motion platform and Y-axis motion platform
It is installed by " ten " word stacking form, is transported for controlling work spindle 8 and electric spark shaving device in X-direction and Y direction
It is dynamic；
The axis direction of work spindle 8 is X-direction；
The grinding attachment includes C axis turntable 3, displacement platform 4, U axis locating platform 5, Z axis motion platform, ball-end grinding wheel 6
With grinding wheel spindle 7；
Ball-end grinding wheel 6 is mounted on grinding wheel spindle 7；The lower end of C axis turntable 3 is connect with displacement platform 4, U axis locating platform 5
Upper end be mounted on the moving component of displacement platform 4, the lower end of U axis locating platform 5 is fixedly connected with 7 middle section of grinding wheel spindle,
Grinding wheel spindle 7 is oblique, and grinding wheel spindle 7 is located at the top of grinding spindle；
Z axis motion platform for driving C axis turntable 3 to move up and down, and then drives grinding wheel spindle 7 to move up and down；
The electric spark shaving device includes finishing electrode main shaft, finishing electrode and electrode movement platform；
Finishing electrode is mounted in the axis hole of finishing electrode main shaft, and finishing electrode main shaft is fixed on the moving platform；
The rotation angle range of the C axis turntable 3 is 360 °；
The step 1 includes:
Step 1 one: adjustment mobile platform 2 makes ball-end grinding wheel 6 be located at the position of electric spark shaving, and adjustment C axis turntable 3 makes
The angle of plane where the axis and YZ axis of ball-end grinding wheel 6 is α, and α value is 26.19 °；
Step 1 two: the image of finishing electrode tip and ball-end grinding wheel 6 is obtained to knife and monitoring device using No. 3, and is obtained
Sphere centre coordinate is obtained, the centre of sphere of ball-end grinding wheel 6 is obtained and modifies value of delta of the axis in X-direction of electrodex, while obtaining bulb
Value of delta of the axis of 6 centre of sphere of grinding wheel and finishing electrode in Z-directionz, by the mobile-δ of X motion platformx, while Z axis motion platform moves
Dynamic-δz, and record X-axis motion platform numerical value；
Step 1 three: finishing electrode and 6 image of ball-end grinding wheel are obtained to knife and monitoring device using No. 4, while being modified
It is following on electrode image to pick up n point respectively, the coordinate of this 2n point is obtained, and finishing electricity is obtained according to the coordinate of this 2n point
Coordinate Z of the axis of pole in Z axisd；N point is picked up respectively in the bottom and upper segment of 6 image of ball-end grinding wheel, obtains this 2n point
Coordinate, and ball-end grinding wheel 6 is obtained in the axial equation of YZ axial plane according to the coordinate of this 2n point；
Step 1 four: it according to the axial equation of the axis coordinate of the finishing electrode in step 1 three and ball-end grinding wheel 6, obtains
The intersection point of the axis of the axis and ball-end grinding wheel 6 of electrode, obtains the value of n/2 group Y-axis, is averaging, obtains to the value of n/2 group Y-axis
YO；ZdAnd YOSphere center position when being modified in place for ball-end grinding wheel 6；
Step 1 five: control U axis locating platform 5 and Z axis motion platform make the centre of sphere of ball-end grinding wheel 6 along grinding wheel axis direction
At sphere center position when moving to the finishing in place of the acquisition of step 1 four, and record Y-axis motion platform, Z axis motion platform at this time
With the numerical value of U axis motion platform, the centre of sphere in conjunction with the X-axis motion platform numerical value recorded in step 1 two, when as finishing in place
Position；
Step 1 six: ball-end grinding wheel 6 is recalled, and will modify coordinate Z of the electrode nose motion to the Z axis for modifying electroded
Place, while continuing to move to positive directionDistance, determine finishing electrode supplying position, R indicate 6 radius of ball-end grinding wheel.
Preferably, the step 2 includes:
Step 2 one: the position that mobile platform 2 makes ball-end grinding wheel 6 be located at superfine grinding is adjusted, by No. 1 to knife and monitoring
The camera amplification factor of device is transferred to minimum and combines mobile X-axis motion platform, Y-axis motion platform and Z axis motion platform, makes ball
Head grinding wheel 6 appears in the visual field of camera；
Step 2 two: the amplification factor of camera is tuned up, and makes ball-end grinding wheel 6 full of the visual field, while it is flat to adjust X-axis movement
Platform, Z axis motion platform, ball-end grinding wheel 6 is moved on among the visual field, and mobile Y-axis motion platform makes 6 imaging clearly of ball-end grinding wheel,
The motion value for recording X-axis motion platform, Y-axis motion platform and Z axis motion platform at this time, for being used as superfine grinding process
The sphere center position that middle ball-end grinding wheel 6 is monitored.
Preferably, the step 3 includes:
Step 3 one: using ball-end grinding wheel 6 on grinding spindle special-shaped thin wall structural member carry out superfine grinding, No. 1
Image Acquisition is carried out to ball-end grinding wheel 6 to knife and monitoring device；
Step 3 two: obtaining the grinding wheel profile in the image of acquisition, the grinding wheel profile is approached with two concentric circles, when two
When semidiameter between concentric circles is setting value, it is determined that ball-end grinding wheel 6 needs to modify, and is transferred to step 4；Otherwise, it is transferred to step 3
One.
Preferably, the step 5 includes:
Step 5 one: electric spark shaving device carries out electric spark shaving in place to ball-end grinding wheel 6 using electrode, utilizes No. 4
Clearly ball-end grinding wheel 6 is obtained to knife and monitoring device and modifies image；
Step 5 two: observing spark discharge state to knife and monitoring device using No. 4, if spark discharge is stablized,
It keeps the feed speed of finishing electrode constant, if spark discharge is discontinuous, increases the feed speed of finishing electrode, if electrical fire
Flower electric discharge is too strong, then slows down the feed speed of finishing electrode；
Step 5 three: when finishing electrode is fed into the supplying position of the finishing electrode determined in step 1, electrode is modified
No. 4 visuals field to knife and monitoring device camera are exited, the image of ball-end grinding wheel 6 are obtained to knife and monitoring device using No. 4, at this
The circle for making normal diameter at the centre of sphere in image goes to grinding wheel boundary after process of fitting treatment, wants if the finishing of ball-end grinding wheel 6 reaches use
It asks, then stops modifying；When being unsatisfactory for requirement, the difference of 6 diameter of ball-end grinding wheel is estimated, by finishing electrode movement to step
The supplying position of the finishing electrode determined in one, is transferred to step 5 one.
Above-mentioned technical characteristic may be combined in various suitable ways or be substituted by equivalent technical characteristic, as long as can reach
To the purpose of the present invention.
The electric spark in place of minor diameter ball-end grinding wheel 6 when the present invention is in order to realize superfine grinding abnormal shape labyrinth thin-wall part
Finishing, it is necessary first to demarcate sphere centre coordinate and finishing electrode position coordinates of the minor diameter ball-end grinding wheel 6 in finishing station；Then
Ball-end grinding wheel 6 is demarcated away from the position coordinates to knife and monitoring device；During carrying out superfine grinding to minor diameter bulb into
Row monitors and judges the state of wear of grinding wheel, to carry out electric spark shaving in place to it；Suspend superfine grinding process with right
Ball-end grinding wheel 6 is modified in place, and using the finishing to knife and monitoring device monitoring spark discharge state and ball-end grinding wheel 6
Quality；The sphere center position that grinding wheel is adjusted after finishing, finds program origin when grinding, and continues unfinished ultraprecise mill
Cut process.The beneficial effects of the present invention are:
(1) it can guarantee the dressing quality in place of minor diameter ball-end grinding wheel 6, the minor diameter ball-end grinding wheel 6 of 2-4mm is modified
Surface figure accuracy afterwards is less than 2.5 μm, and diameter is between 1.895-1.905mm；
(2) knife and monitoring device are supervised in use that can be simple and fast to the state of wear of ball-end grinding wheel 6 in place
It surveys, detection accuracy is 2 μm, and judges whether grinding wheel needs to modify in place；
(3) can in-situ monitor electric spark shaving ball-end grinding wheel 6 when spark discharge state, to adjust electrode at any time
Feed speed, adjusting range is 5-20 μm/min, to guarantee the higher dressing quality of grinding wheel；
(4) 6 image of ball-end grinding wheel can be obtained at any time, and judges the quality that ball-end grinding wheel 6 is modified in place, to judge grinding wheel
Whether reach finishing required for processing to require, profile errors judge precision for 2.5 μm；
(5) process is easy to operate, and it is convenient to realize, fast, without repeat to modify and grinding to knife process, show
Write the time for reducing the overall abnormally-structured thin-wall part of superfine grinding.
Detailed description of the invention
Fig. 1 is the schematic illustration of the processing unit (plant) in specific embodiment；
Fig. 2 is the structural schematic diagram of grinding attachment superfine grinding special-shaped thin wall structural member；
Fig. 3 (a) and Fig. 3 (b) is 6 axial space position of ball-end grinding wheel to knife schematic diagram；
Fig. 4 (a) to Fig. 4 (c) is 6 trim locations scaling method schematic diagram of ball-end grinding wheel and uncalibrated image；
Fig. 5 is for ball-end grinding wheel 6 and to knife and monitoring device position view；
Fig. 6 (a) and Fig. 6 (b) is respectively image and the processing of 6 wear monitoring of ball-end grinding wheel；
Fig. 7 is the adjustment schematic diagram that ball-end grinding wheel 6 modifies grinding wheel position；
Fig. 8 (a) to Fig. 8 (c) is when ball-end grinding wheel 6 is modified to the schematic diagram of knife and monitoring device monitoring；
Fig. 9 is sphere center position adjustment schematic diagram after spherical crushing；
Figure 10 is the finishing effect figure in place of ball-end grinding wheel 6, and abscissa is millimeter in figure, ordinate is micron.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art without creative labor it is obtained it is all its
His embodiment, shall fall within the protection scope of the present invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be further explained below with reference to the attached drawings and specific examples, but not as the limitation of the invention.
Ball-end grinding wheel dressing method in place, the side when superfine grinding special-shaped thin wall structural member described in present embodiment
Method based on processing unit (plant) realize, as shown in Figure 1, the processing unit (plant) include grinding attachment, work spindle 8, electric spark shaving device,
Four to knife and monitoring device and mobile platform 2；
Work spindle 8 and electric spark shaving device are disposed side by side on mobile platform 2；
No. 2 opposites for knife and monitoring device being arranged in grinding spindle, No. 2 axis to knife and monitoring device and grinding are led
The axis of axis on the same line, is used to match to special-shaped thin wall structure knife detection device with No. 1 before superfine grinding
Part 9 is carried out to knife；
No. 1 side for knife and monitoring device being arranged in grinding spindle, No. 1 axis to knife and monitoring device and grinding are led
The axis of axis is vertical, for being monitored during superfine grinding to machining state；
No. 3 opposites for knife and monitoring device being arranged in electric spark shaving device, No. 3 axis to knife and monitoring device with
On the same line, No. 3 cooperate to knife and monitoring device with No. 4 to the axis of electric spark shaving device to knife and monitoring device
For realizing modified before electric spark shaving electrode and 6 relative position of ball-end grinding wheel to knife；
No. 4 sides for knife and monitoring device being arranged in electric spark shaving device, No. 4 axis to knife and monitoring device with
The axis of electric spark shaving device is vertical；No. 4 monitorings to knife and monitoring device for spark discharge state in dressing process；
Grinding attachment is located at the top of work spindle 8 and electric spark shaving device；Grinding attachment is right using ball-end grinding wheel 6
Special-shaped thin wall structural member 9 on work spindle 8 carries out superfine grinding, while the position by adjusting mobile platform 2, electric spark
Trimming device modifies the ball-end grinding wheel 6 using finishing electrode in place；
6 radius of ball-end grinding wheel is less than 4mm；
Described method includes following steps:
Step 1: adjustment mobile platform 2 and grinding attachment make ball-end grinding wheel 6 be located at the position of electric spark shaving, utilize 3
Number and No. 4 knife and monitoring device demarcate the sphere center position of ball-end grinding wheel 6, obtain sphere center position when finishing in place and
Modify the supplying position of electrode；
In the step before precision grinding machining special-shaped thin wall labyrinth thin-wall part, ball-end grinding wheel 6 is modified in place
When sphere center position to carry out calibration be in order in subsequent process, grinding wheel generates direct when having an influential abrasion to processing
Finding centre of sphere calibration point can be obtained grinding wheel and interelectrode relative positional relationship；
Step 2: the position that mobile platform 2 makes ball-end grinding wheel 6 be located at superfine grinding is adjusted, using No. 1 to knife and monitoring
Device demarcates the centre of sphere of ball-end grinding wheel 6, the sphere center position being monitored when obtaining superfine grinding to ball-end grinding wheel 6,
Adjustment mobile platform 2 makes ball-end grinding wheel 6 be located at the sphere center position being monitored to ball-end grinding wheel 6；
Before precision grinding machining special-shaped structure piece in the step, to 6 centre of sphere of ball-end grinding wheel and to knife and monitoring device
Between relative positional relationship demarcated, be in order to write the coordinate into processing program, to be worked into a certain program
Image Acquisition is carried out to ball-end grinding wheel 6 automatically when section, to monitor its state of wear；
Step 3: superfine grinding is carried out to the special-shaped thin wall structural member 9 on grinding spindle using ball-end grinding wheel 6, No. 1 right
Whether knife and monitoring device are monitored the degree of wear of ball-end grinding wheel 6, judge abrasion of grinding wheel degree and need to modify, if
It is to suspend superfine grinding, records the Working position of special-shaped thin wall structural member 9, then step 4 is transferred to, if it is not, continuing to execute step
Rapid three；
The on-line monitoring of ball-end grinding wheel 6 is to judge whether abrasion of grinding wheel reaches and be modified in place in the step
State, to carry out electric spark shaving in place to it at any time；
Step 4: adjustment mobile platform 2 and grinding attachment, when ball-end grinding wheel 6 being made to be located at the finishing in place of step 1 acquisition
Sphere center position；
The position coordinates of the centre of sphere are the seat demarcated in step 1 when the ball-end grinding wheel 6 found in the step is modified in place
Mark, it is simple and fast, while without working knife before will being modified when carrying out ball-end grinding wheel 6 every time and modifying in place；
Step 5: electric spark shaving device carries out electric spark shaving in place to ball-end grinding wheel 6 using finishing electrode, utilizes 4
Number are modified by state and if the finishing of ball-end grinding wheel 6 reaches requirement is transferred to step for knife and monitoring device monitoring ball-end grinding wheel 6
Rapid six, if it is not, repeating step 5；
Need to monitor on-line discharge condition during 6 electric spark shaving of ball-end grinding wheel in step 5, to adjust electrode
Feed speed guarantees to obtain higher dressing quality, while being acquired when dressing process is completed fastly to the image of grinding wheel, to sentence
Whether disconnected grinding wheel meets processing request；
Step 6: determining after modifying with the ball-end grinding wheel 6 before finishing along the move distance of grinding wheel axis, according to this distance,
Sphere center position when ball-end grinding wheel 6 being made to return to superfine grinding；
6 main shaft of ball-end grinding wheel in the step is installed on turntable, can be with turntable 360 degree rotation, therefore in order to guarantee
6 centre of sphere spatial position of ball-end grinding wheel does not change in rotary course, and the grinding wheel centre of sphere should be adjusted on the rotation axis of turntable；
Step 7: ball-end grinding wheel 6 being moved at the Working position of the special-shaped thin wall structural member 9 recorded in step 3, is turned
Enter step 3；
In order to return to superfine grinding station and continue to workpiece on the basis of not needing again to knife in the step
Superfine grinding, while continuing to monitor the state of grinding wheel, and repeat dressing process in place；
In preferred embodiment, mobile platform 2 includes workbench, X-axis motion platform and Y-axis motion platform,
Work spindle 8 and electric spark shaving device are arranged side by side on the table, X-axis motion platform and Y-axis motion platform
It is installed by " ten " word stacking form, is transported for controlling work spindle 8 and electric spark shaving device in X-direction and Y direction
It is dynamic；
The axis direction of work spindle 8 is X-direction；
As shown in Fig. 2, the grinding attachment includes that C axis turntable 3, displacement platform 4, U axis locating platform 5, Z axis movement are flat
Platform, ball-end grinding wheel 6 and grinding wheel spindle 7；
Ball-end grinding wheel 6 is mounted on grinding wheel spindle 7；The lower end of C axis turntable 3 is connect with displacement platform 4, U axis locating platform 5
Upper end be mounted on the moving component of displacement platform 4, the lower end of U axis locating platform 5 is fixedly connected with 7 middle section of grinding wheel spindle,
Grinding wheel spindle 7 is oblique, and grinding wheel spindle 7 is located at the top of grinding spindle；
Z axis motion platform for driving C axis turntable 3 to move up and down, and then drives grinding wheel spindle 7 to move up and down；
The electric spark shaving device includes finishing electrode main shaft, finishing electrode and electrode movement platform；
Finishing electrode is mounted in the axis hole of finishing electrode main shaft, and finishing electrode main shaft is fixed on the moving platform；
The rotation angle range of the C axis turntable 3 is 360 °；
The step 1 includes:
Step 1 one: adjustment mobile platform 2 makes ball-end grinding wheel 6 be located at the position of electric spark shaving, and adjustment C axis turntable 3 makes
The angle of plane where the axis and YZ axis of ball-end grinding wheel 6 is α, and α value is 26.19 °；
Because ball-end grinding wheel 6 main shaft be slant setting and with X/Y plane at 38 ° of inclination angles, in order to guarantee in electrode axis and sand
Angle both in the plane that wheel axis is formed, needs to make by adjusting C axis turntable 3 the angle α of grinding wheel axis Yu YZ plane,
As shown in Fig. 2, α value is 26.19 °, can be obtained by formula (1)；
Step 1 two: the image of finishing electrode tip and ball-end grinding wheel 6 is obtained to knife and monitoring device using No. 3, and is obtained
Sphere centre coordinate is obtained, the centre of sphere of ball-end grinding wheel 6 is obtained and modifies value of delta of the axis in X-direction of electrodex, as shown in Fig. 3 (a),
6 centre of sphere of ball-end grinding wheel is obtained simultaneously and modifies value of delta of the axis in Z-direction of electrodez, as shown in Fig. 3 (b), X is moved flat
Platform moves-δx, while the mobile-δ of Z axis motion platformz, and X-axis motion platform numerical value is recorded, complete the calibration of X-direction；
Binary conversion treatment and classical Hough transform are carried out to obtain centre of sphere seat to the image of ball-end grinding wheel 6 in this step
Mark；
Step 1 three: finishing electrode and 6 image of ball-end grinding wheel are obtained to knife and monitoring device using No. 4, while being modified
It is following on electrode image to pick up n point respectively, the coordinate of this 2n point is obtained, and finishing electricity is obtained according to the coordinate of this 2n point
Coordinate Z of the axis of pole in Z axisd；N point is picked up respectively in the bottom and upper segment of 6 image of ball-end grinding wheel, obtains this 2n point
Coordinate, and ball-end grinding wheel 6 is obtained in the axial equation of YZ axial plane according to the coordinate of this 2n point:
In present embodiment, optional two points on the upper and lower edge of electrode respectively, at the upper and lower edge of ball-end grinding wheel 6
Also optional two o'clock, and these coordinates on Z and Y-direction are obtained, as shown in Fig. 4 (a).Because electrode and Y-direction are placed in parallel,
So electrode axis line coordinates are as follows:
And equation of the grinding wheel axis in YZ plane assume that are as follows:
Z=ay+b (3)
B10And B20The midpoint of line and B11And B21The midpoint of line is all on grinding wheel axis, therefore on available axis
Two o'clock beWith By N1And N2It brings into formula (3), obtains pole wheel center line equation:
The intersection point of convolution (2) and formula (4) available electrode axis and grinding wheel axis are as follows:
Sphere center position after intersection point, that is, ball-end grinding wheel 6 obtained is modified.
Step 1 four: it according to the axial equation of the axis coordinate of the finishing electrode in step 1 three and ball-end grinding wheel 6, obtains
The intersection point of the axis of the axis and ball-end grinding wheel 6 of electrode, obtains the value of n/2 group Y-axis, is averaging, obtains to the value of n/2 group Y-axis
YO；ZdAnd YOSphere center position when being modified in place for ball-end grinding wheel 6:
No. 4 CCD camera axis to knife and monitoring device and electrode axis are disposed vertically, camera and electrode and ball are adjusted
The distance between head, obtains relatively clear image, obtains image such as Fig. 4 (b) of ball-end grinding wheel 6 and electrode, and to image into
Row binary conversion treatment, shown in the profile such as Fig. 4 (c) for obtaining electrode and grinding wheel, while following 10 points of pickup respectively on the electrode,
And its coordinate is obtained, coordinate value such as table 1.It is following on grinding wheel equally to pick up 10 points respectively, as shown in table 2；
The coordinate of the point picked up on 1 electrode of table
| A10 | A11 | A12 | A13 | A14 | A15 | A16 | A17 | A18 | A19 | |
| Y | 214 | 471 | 94 | 66 | 163 | 471 | 196 | 68 | 76 | 88 |
| Z | 189 | 190 | 191 | 189 | 190 | 191 | 188 | 191 | 190 | 191 |
| A20 | A21 | A22 | A23 | A24 | A25 | A26 | A27 | A28 | A29 | |
| Y | 101 | 253 | 528 | 131 | 319 | 517 | 714 | 256 | 288 | 589 |
| Z | 1461 | 1463 | 1468 | 1462 | 1463 | 1465 | 1464 | 1463 | 1465 | 1466 |
The coordinate of the point picked up on 2 grinding wheel of table
| B10 | B11 | B12 | B13 | B14 | B15 | B16 | B17 | B18 | B19 | |
| Y | 1051 | 1491 | 1656 | 1233 | 1272 | 1622 | 1027 | 1611 | 1068 | 1484 |
| Z | 530 | 174 | 39 | 383 | 350 | 67 | 548 | 78 | 501 | 179 |
| B20 | B21 | B22 | B23 | B24 | B25 | B26 | B27 | B28 | B29 | |
| Y | 2111 | 2549 | 2240 | 2509 | 2194 | 2478 | 2158 | 2500 | 2105 | 2540 |
| Z | 1905 | 1551 | 1804 | 1582 | 1841 | 1607 | 1871 | 1590 | 1911 | 1557 |
Z is obtained by table 1d=827, while the numerical value in table 2 being brought into and obtains five groups of Y values in formula (5), and to obtained Y
Value is averaged, and finally obtains Y=2065, Z=827；
Step 1 five: control U axis locating platform 5 and Z axis motion platform make the centre of sphere of ball-end grinding wheel 6 along grinding wheel axis direction
At sphere center position when moving to the finishing in place of the acquisition of step 1 four, and record Y-axis motion platform, Z axis motion platform at this time
With the numerical value of U axis motion platform, the centre of sphere in conjunction with the X-axis motion platform numerical value recorded in step 1 two, when as finishing in place
The calibration in the direction Y, Z and U is completed in position；
Step 1 six: ball-end grinding wheel 6 is recalled, and will modify coordinate Z of the electrode nose motion to the Z axis for modifying electroded
Place, while continuing to move to positive directionDistance, determine finishing electrode supplying position, R indicate 6 radius of ball-end grinding wheel,
Complete the staking-out work of the final supplying position of electrode；
In preferred embodiment, the step 2 includes:
The focal length of step 2 one: 1 camera to knife and monitoring device be 90mm, so need to demarcate ball-end grinding wheel 6 with
Positional relationship between camera, as shown in figure 5, the position that mobile platform 2 makes ball-end grinding wheel 6 be located at superfine grinding is adjusted, by 1
Number minimum is transferred to the camera amplification factor of monitoring device to knife and combines mobile X-axis motion platform, Y-axis motion platform and Z axis
Motion platform appears in ball-end grinding wheel 6 in the visual field of camera；
Step 2 two: the amplification factor of camera is tuned up, and makes ball-end grinding wheel 6 full of the visual field, while it is flat to adjust X-axis movement
Platform, Z axis motion platform, ball-end grinding wheel 6 is moved on among the visual field, and mobile Y-axis motion platform makes 6 imaging clearly of ball-end grinding wheel,
The motion value for recording X-axis motion platform, Y-axis motion platform and Z axis motion platform at this time, for being used as superfine grinding process
The sphere center position that middle ball-end grinding wheel 6 is monitored.
In preferred embodiment, the step 3 includes:
Step 3 one: the X demarcated in step 2 two, Y location coordinate are written in the G code of practical grinding, utilized
Ball-end grinding wheel 6 carries out superfine grinding to the special-shaped thin wall structural member 9 on grinding spindle, completes the specific times of a certain certain surface
After processing, ball-end grinding wheel 6 is automatically moved to No. 1 to knife and monitoring device, and No. 1 carries out knife and monitoring device to ball-end grinding wheel 6
Image Acquisition；
Step 3 two: obtaining the grinding wheel profile in the image of acquisition, the grinding wheel profile is approached with two concentric circles, when two
When semidiameter between concentric circles is 5 μm, it is determined that ball-end grinding wheel 6 needs to modify, and is transferred to step 4；Otherwise, grinding wheel is not ground seriously
Damage should continue unfinished precision grinding machining, be transferred to step 3 one.Fig. 6 (a) is untreated grinding wheel picture, and Fig. 6 (b) is
Treated grinding wheel picture increases the diameter difference of two concentric circles to can be observed how the difference of two concentric circles intentionally；
In preferred embodiment, the position coordinates of the centre of sphere are step when the ball-end grinding wheel 6 found in step 4 is modified in place
The coordinate demarcated in one, it is simple and fast, while without before carrying out to be modified when ball-end grinding wheel 6 is in place to be modified every time
To knife work:
Step 4 one: when judging that minor diameter ball-end grinding wheel 6 is worn, label X, Y, Z, U motion platform is stopping adding first
The position coordinates in working hour, the motion platform for then successively moving X, Y, Z axis find the corresponding position coordinate demarcated in step 1；
Step 4 two: combined U axis locating platform 5 and Z axis motion platform make the centre of sphere of ball-end grinding wheel 6 along grinding wheel axial-movement
L enables the ball-end grinding wheel 6 of abrasion to obtain complete ball-end grinding wheel 6 after electric spark shaving, as shown in fig. 7, then by electrode
It is fed along Y-direction, electric spark shaving is carried out to ball-end grinding wheel 6；
In preferred embodiment, the step 5 includes:
Step 5 one: electric spark shaving device carries out electric spark shaving in place to ball-end grinding wheel 6 using electrode, utilizes No. 4
Clearly ball-end grinding wheel 6 is obtained to knife and monitoring device and modifies image；
Step 5 two: observing spark discharge state to knife and monitoring device using No. 4, as shown in Fig. 8 (a), if electrical fire
Flower stable discharge then keeps the feed speed of finishing electrode constant, and spark discharge is relatively stable, if spark discharge does not connect
It is continuous, then increase the feed speed of finishing electrode, if spark discharge is too strong, slows down the feed speed of finishing electrode, to protect
Demonstrate,proving after ball-end grinding wheel 6 is modified has preferable state；
Step 5 three: when finishing electrode is fed into the supplying position of the finishing electrode determined in step 1, electrode is modified
No. 4 visuals field to knife and monitoring device camera are exited, the image of ball-end grinding wheel 6 is obtained to knife and monitoring device using No. 4, such as schemes
Shown in 8 (b), the circle for making normal diameter at the centre of sphere in the images goes to grinding wheel boundary after process of fitting treatment, as Fig. 8 (c) d) shown in,
If the finishing of ball-end grinding wheel 6 reaches requirement, stop modifying；When being unsatisfactory for requirement, 6 diameter of ball-end grinding wheel is estimated
Difference, will modify electrode movement into step 1 determine finishing electrode supplying position, be transferred to step 5 one.
In preferred embodiment, step 6 includes:
Step 6 one: when ball-end grinding wheel 6 is met the requirements after electric spark shaving, X, Y, Z and U axis are successively moved respectively
Position before to electric spark shaving, but ball is led to because the relationship of finishing has moved upwards L along grinding wheel rod bearing due to the grinding wheel centre of sphere
Heart position changes；
Step 6 two: because grinding wheel spindle 7 and X/Y plane are at 38 ° of angles, so knowing movement length L of the grinding wheel along axis
Afterwards, it can be obtained the distance that grinding wheel needs to move on the direction YZ, as shown in figure 9, calculating as shown in formula (6) and (7):
Z=Lsin (38/180 π) (6)
Y=Lcos (38/180 π) (7)
Step 6 three: moving downward z by Z axis motion platform, and U axis motion platform is moved y along Y-direction, is so far completed
The adjustment work of grinding wheel sphere center position, does not need then to carry out so secondary to knife, can continue after the finishing of ball-end grinding wheel 6
Superfine grinding work；
In preferred embodiment, step 7 includes:
Step 7 one: finder origin, and the grinding wheel centre of sphere is moved to time-out position, continue unfinished superfinishing
Close grinding；
Step 7 two: the grinding wheel recondition in place for carrying out the wear monitoring and abrasion of grinding wheel is continued cycling through；
So far the specific implementation process for completing the dressing method in place of superfine grinding process medium-small diameter ball-end grinding wheel 6, is repaired
The surface figure accuracy PV and diameter R of grinding wheel after whole, as shown in Figure 10.
Although describing the present invention herein with reference to specific embodiment, it should be understood that, these realities
Apply the example that example is only principles and applications.It should therefore be understood that can be carried out to exemplary embodiment
Many modifications, and can be designed that other arrangements, without departing from spirit of the invention as defined in the appended claims
And range.It should be understood that different appurtenances can be combined by being different from mode described in original claim
Benefit requires and feature described herein.It will also be appreciated that the feature in conjunction with described in separate embodiments can be used
In other described embodiments.
Claims (5)
1. ball-end grinding wheel dressing method in place when a kind of superfine grinding special-shaped thin wall structural member, the method is based on processing unit (plant)
It realizes, the processing unit (plant) includes grinding attachment, work spindle, electric spark shaving device, four to knife and monitoring device and shifting
Moving platform；
Work spindle and electric spark shaving device are arranged side by side on a mobile platform；
No. 2 opposites for knife and monitoring device being arranged in grinding spindle, No. 2 to the axis of knife and monitoring device and grinding spindle
Axis on the same line, for before superfine grinding and No. 1 to knife detection device match to special-shaped thin wall structural member into
Row is to knife；
No. 1 side for knife and monitoring device being arranged in grinding spindle, No. 1 to the axis of knife and monitoring device and grinding spindle
Axis is vertical, for being monitored during superfine grinding to machining state；
No. 3 opposites for knife and monitoring device being arranged in electric spark shaving device, No. 3 axis and electrical fire to knife and monitoring device
On the same line, No. 3 are used for knife with monitoring device to the axis of flower trimming device with No. 4 to knife and monitoring device mutual cooperation
Realize modify before electric spark shaving electrode and ball-end grinding wheel relative position to knife；
No. 4 sides for knife and monitoring device being arranged in electric spark shaving device, No. 4 axis and electrical fire to knife and monitoring device
The axis of flower trimming device is vertical；No. 4 monitorings to knife and monitoring device for spark discharge state in dressing process；
Grinding attachment is located at the top of work spindle and electric spark shaving device；Grinding attachment is using ball-end grinding wheel to workpiece master
Special-shaped thin wall structural member on axis carries out superfine grinding, while the position by adjusting mobile platform, electric spark shaving device
The ball-end grinding wheel is modified in place using finishing electrode；
Ball-end grinding wheel radius is less than 4mm；
It is characterized in that, described method includes following steps:
Step 1: adjustment mobile platform and grinding attachment make ball-end grinding wheel be located at the position of electric spark shaving, utilize No. 3 and No. 4
Knife and monitoring device demarcate the sphere center position of ball-end grinding wheel, obtain the sphere center position and finishing electrode when finishing in place
Supplying position；
Step 2: the position that mobile platform makes ball-end grinding wheel be located at superfine grinding is adjusted, using No. 1 to knife and monitoring device pair
The centre of sphere of ball-end grinding wheel is demarcated, the sphere center position being monitored when obtaining superfine grinding to ball-end grinding wheel, adjustment movement
Platform makes ball-end grinding wheel be located at the sphere center position being monitored to ball-end grinding wheel；
Step 3: superfine grinding is carried out to the special-shaped thin wall structural member on grinding spindle using ball-end grinding wheel, No. 1 to knife and prison
It surveys device to be monitored the degree of wear of ball-end grinding wheel, judges abrasion of grinding wheel degree and whether need to modify, if so, pause is super
Accurate grinding records the Working position of special-shaped thin wall structural member, then step 4 is transferred to, if it is not, continuing to execute step 3；
Step 4: adjustment mobile platform and grinding attachment, centre of sphere when ball-end grinding wheel being made to be located at the finishing in place of step 1 acquisition
Position；
Step 5: electric spark shaving device carries out electric spark shaving in place to ball-end grinding wheel using finishing electrode, using No. 4 to knife
It is transferred to step 6 if the finishing of ball-end grinding wheel reaches requirement with monitoring device monitoring ball-end grinding wheel finishing state, if
It is no, repeat step 5；
Step 6: it determines after modifying with the ball-end grinding wheel before finishing along the move distance of grinding wheel axis, according to this distance, makes bulb
Grinding wheel returns to sphere center position when superfine grinding；
Step 7: ball-end grinding wheel is moved at the Working position of the special-shaped thin wall structural member recorded in step 3, is transferred to step
Three.
2. ball-end grinding wheel dressing method in place when superfine grinding special-shaped thin wall structural member according to claim 1, special
Sign is,
The mobile platform includes workbench, X-axis motion platform and Y-axis motion platform,
Work spindle and electric spark shaving device are arranged side by side on the table, and X-axis motion platform and Y-axis motion platform pass through
The installation of " ten " word stacking form is moved for controlling work spindle and electric spark shaving device in X-direction and Y direction；
The axis direction of work spindle is X-direction；
The grinding attachment includes C axis turntable, displacement platform, U axis locating platform, Z axis motion platform, ball-end grinding wheel and grinding wheel master
Axis；
Ball-end grinding wheel is mounted on grinding wheel spindle；The lower end of C axis turntable is connect with displacement platform, the upper end peace of U axis locating platform
On the moving component of displacement platform, the lower end of U axis locating platform is fixedly connected with grinding wheel spindle middle section, and grinding wheel spindle is in incline
Ramp-like, grinding wheel spindle is located at the top of grinding spindle；
Z axis motion platform for driving C axis turntable to move up and down, and then drives grinding wheel spindle to move up and down；
The electric spark shaving device includes finishing electrode main shaft, finishing electrode and electrode movement platform；
Finishing electrode is mounted in the axis hole of finishing electrode main shaft, and finishing electrode main shaft is fixed on the moving platform；
The rotation angle range of the C axis turntable is 360 °；
The step 1 includes:
Step 1 one: adjustment mobile platform makes ball-end grinding wheel be located at the position of electric spark shaving, and adjustment C axis turntable makes bulb sand
The angle of plane where the axis and YZ axis of wheel is α, and α value is 26.19 °；
Step 1 two: the image of finishing electrode tip and ball-end grinding wheel is obtained to knife and monitoring device using No. 3, and obtains the centre of sphere
Coordinate obtains the centre of sphere of ball-end grinding wheel and modifies value of delta of the axis in X-direction of electrodex, while obtaining the ball-end grinding wheel centre of sphere
With value of delta of the axis in Z-direction for modifying electrodez, by the mobile-δ of X motion platformx, while the mobile-δ of Z axis motion platformz, and remember
Record X-axis motion platform numerical value；
Step 1 three: finishing electrode and ball-end grinding wheel image are obtained to knife and monitoring device using No. 4, while in finishing electrode figure
As upper following n point of pickup respectively, the coordinate of this 2n point is obtained, and the axis of finishing electrode is obtained according to the coordinate of this 2n point
Coordinate Z of the line in Z axisd；N point is picked up respectively in the bottom and upper segment of ball-end grinding wheel image, obtains the coordinate of this 2n point, and
Ball-end grinding wheel is obtained in the axial equation of YZ axial plane according to the coordinate of this 2n point；
Step 1 four: according to the axial equation of the axis coordinate of the finishing electrode in step 1 three and ball-end grinding wheel, electrode is obtained
Axis and ball-end grinding wheel axis intersection point, obtain the value of n/2 group Y-axis, the value of n/2 group Y-axis be averaging, obtain YO；ZdWith
YOSphere center position when being modified in place for ball-end grinding wheel；
Step 1 five: control U axis locating platform and Z axis motion platform move to the centre of sphere of ball-end grinding wheel along grinding wheel axis direction
At sphere center position when the finishing in place that step 1 four obtains, and record Y-axis motion platform, Z axis motion platform and U axis fortune at this time
The numerical value of moving platform, the sphere center position in conjunction with the X-axis motion platform numerical value recorded in step 1 two, when as finishing in place；
Step 1 six: ball-end grinding wheel is recalled, and will modify coordinate Z of the electrode nose motion to the Z axis for modifying electrodedPlace, simultaneously
Continue to move to positive directionDistance, determine finishing electrode supplying position, R indicate ball-end grinding wheel radius.
3. ball-end grinding wheel dressing method in place when superfine grinding special-shaped thin wall structural member according to claim 2, special
Sign is that the step 2 includes:
Step 2 one: adjustment mobile platform makes ball-end grinding wheel be located at the position of superfine grinding, by No. 1 to knife and monitoring device
Camera amplification factor is transferred to minimum and combines mobile X-axis motion platform, Y-axis motion platform and Z axis motion platform, makes ball-end grinding wheel
It appears in the visual field of camera；
Step 2 two: the amplification factor of camera is tuned up, and makes ball-end grinding wheel full of the visual field, while adjusting X-axis motion platform, Z
Axis motion platform, ball-end grinding wheel is moved on among the visual field, and mobile Y-axis motion platform makes ball-end grinding wheel imaging clearly, records this
When X-axis motion platform, Y-axis motion platform and Z axis motion platform motion value, for as bulb during superfine grinding
The sphere center position that grinding wheel is monitored.
4. ball-end grinding wheel dressing method in place when superfine grinding special-shaped thin wall structural member according to claim 3, special
Sign is that the step 3 includes:
Step 3 one: using ball-end grinding wheel on grinding spindle special-shaped thin wall structural member carry out superfine grinding, No. 1 to knife with
Monitoring device carries out Image Acquisition to ball-end grinding wheel；
Step 3 two: obtaining the grinding wheel profile in the image of acquisition, approaches the grinding wheel profile with two concentric circles, when two with one heart
When semidiameter between circle is setting value, it is determined that ball-end grinding wheel needs to modify, and is transferred to step 4；Otherwise, it is transferred to step 3 one.
5. ball-end grinding wheel dressing method in place when superfine grinding special-shaped thin wall structural member according to claim 4, special
Sign is that the step 5 includes:
Step 5 one: electric spark shaving device carries out electric spark shaving in place to ball-end grinding wheel using electrode, using No. 4 to knife with
Monitoring device obtains clearly ball-end grinding wheel and modifies image；
Step 5 two: spark discharge state is observed to knife and monitoring device using No. 4, if spark discharge is stablized, is kept
The feed speed for modifying electrode is constant, if spark discharge is discontinuous, increases the feed speed of finishing electrode, if electric spark is put
Electricity is too strong, then slows down the feed speed of finishing electrode；
Step 5 three: when finishing electrode is fed into the supplying position of the finishing electrode determined in step 1, finishing electrode exits 4
Number to the visual field of knife and monitoring device camera, the image of ball-end grinding wheel is obtained to knife and monitoring device using No. 4, in the images
The centre of sphere at make the circle of normal diameter grinding wheel boundary after process of fitting treatment gone to stop if the finishing of ball-end grinding wheel reaches requirement
Only modify；When being unsatisfactory for requirement, the difference of ball-end grinding wheel diameter is estimated, finishing electrode movement is determined into step 1
Finishing electrode supplying position, be transferred to step 5 one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710703097.6A CN107263323B (en) | 2017-08-16 | 2017-08-16 | Ball-end grinding wheel dressing method in place when superfine grinding special-shaped thin wall structural member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710703097.6A CN107263323B (en) | 2017-08-16 | 2017-08-16 | Ball-end grinding wheel dressing method in place when superfine grinding special-shaped thin wall structural member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107263323A CN107263323A (en) | 2017-10-20 |
| CN107263323B true CN107263323B (en) | 2019-01-08 |
Family
ID=60080402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710703097.6A Active CN107263323B (en) | 2017-08-16 | 2017-08-16 | Ball-end grinding wheel dressing method in place when superfine grinding special-shaped thin wall structural member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107263323B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109454558A (en) * | 2018-11-14 | 2019-03-12 | 中国航发动力股份有限公司 | A kind of the wheel dress device and wheel dress method of EDM Grinding |
| CN110181403A (en) * | 2019-07-05 | 2019-08-30 | 华南理工大学 | Sword device and method is repaired in a kind of pulsed discharge of micro- bistrique edge abrasive grain |
| CN113500522B (en) * | 2021-07-28 | 2023-01-17 | 大连理工大学 | Numerical control grinding machine grinding wheel profile in-situ measurement device and method and light path adjustment method |
| CN114029859A (en) * | 2021-10-29 | 2022-02-11 | 哈尔滨工业大学 | Electric spark dressing process method based on small ball head grinding wheel |
| CN114036661B (en) * | 2021-10-29 | 2024-06-04 | 哈尔滨工业大学 | Ball head grinding wheel spindle inclination angle and rotation angle optimization method based on grinding motion analysis and spiral theory |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63283861A (en) * | 1987-05-15 | 1988-11-21 | Tetsutaro Uematsu | On-machine electric discharge truing/dressing for metal bond grindstone |
| KR20050108014A (en) * | 2004-05-11 | 2005-11-16 | 현대자동차주식회사 | Grinding wheel dressing timing control device and thereof method |
| CN2794744Y (en) * | 2005-04-07 | 2006-07-12 | 上海第三机床厂 | Digital curve grinder |
| CN101234483A (en) * | 2008-02-15 | 2008-08-06 | 哈尔滨工业大学 | Metal base spherical diamond abrasive wheel dressing device |
| CN101623847A (en) * | 2009-07-31 | 2010-01-13 | 哈尔滨工业大学 | Diamond ball head grinding wheel electric sparkle dressing cutter adjustment method based on two-time cutter adjustment process |
| CN101890543A (en) * | 2010-06-24 | 2010-11-24 | 无锡微研有限公司 | CCD camera monitoring module of ultrafine electric spark machine tool |
| CN102009388A (en) * | 2010-10-15 | 2011-04-13 | 上海交通大学 | Miniature metal-based grinding wheel on-line electrolytic electric spark dressing device and method |
| CN103753397A (en) * | 2014-01-09 | 2014-04-30 | 河南理工大学 | Online finishing and morphology detecting device for grinding wheel for performing ultrasonic electrolytic combined grinding on inner circles |
| CN104742020A (en) * | 2015-04-15 | 2015-07-01 | 山东大学 | Grinding superhard grinding material grinding wheel and cup-shaped grinding wheel-electric spark combined modifying device for outer grinder |
| CN105196180A (en) * | 2015-08-24 | 2015-12-30 | 哈尔滨工业大学 | CCD (charge coupled device) cutter aligning device for ultra-precision polishing by utilizing small-sized tool bit |
| CN105234802A (en) * | 2015-08-24 | 2016-01-13 | 哈尔滨工业大学 | Small ball head tool single-turntable polishing machining device and tool setting method |
| CN106826474A (en) * | 2017-03-24 | 2017-06-13 | 哈尔滨工业大学 | Small size thin wall complex structure part superfine grinding lathe |
| CN106919142A (en) * | 2017-04-27 | 2017-07-04 | 华南理工大学 | The network remote monitoring system that a kind of grinding wheel tool On-line Discharge is repaired |
| CN106965090A (en) * | 2017-03-24 | 2017-07-21 | 哈尔滨工业大学 | Two station processing devices with crushing and grinding |
-
2017
- 2017-08-16 CN CN201710703097.6A patent/CN107263323B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63283861A (en) * | 1987-05-15 | 1988-11-21 | Tetsutaro Uematsu | On-machine electric discharge truing/dressing for metal bond grindstone |
| KR20050108014A (en) * | 2004-05-11 | 2005-11-16 | 현대자동차주식회사 | Grinding wheel dressing timing control device and thereof method |
| CN2794744Y (en) * | 2005-04-07 | 2006-07-12 | 上海第三机床厂 | Digital curve grinder |
| CN101234483A (en) * | 2008-02-15 | 2008-08-06 | 哈尔滨工业大学 | Metal base spherical diamond abrasive wheel dressing device |
| CN101623847A (en) * | 2009-07-31 | 2010-01-13 | 哈尔滨工业大学 | Diamond ball head grinding wheel electric sparkle dressing cutter adjustment method based on two-time cutter adjustment process |
| CN101890543A (en) * | 2010-06-24 | 2010-11-24 | 无锡微研有限公司 | CCD camera monitoring module of ultrafine electric spark machine tool |
| CN102009388A (en) * | 2010-10-15 | 2011-04-13 | 上海交通大学 | Miniature metal-based grinding wheel on-line electrolytic electric spark dressing device and method |
| CN103753397A (en) * | 2014-01-09 | 2014-04-30 | 河南理工大学 | Online finishing and morphology detecting device for grinding wheel for performing ultrasonic electrolytic combined grinding on inner circles |
| CN104742020A (en) * | 2015-04-15 | 2015-07-01 | 山东大学 | Grinding superhard grinding material grinding wheel and cup-shaped grinding wheel-electric spark combined modifying device for outer grinder |
| CN105196180A (en) * | 2015-08-24 | 2015-12-30 | 哈尔滨工业大学 | CCD (charge coupled device) cutter aligning device for ultra-precision polishing by utilizing small-sized tool bit |
| CN105234802A (en) * | 2015-08-24 | 2016-01-13 | 哈尔滨工业大学 | Small ball head tool single-turntable polishing machining device and tool setting method |
| CN106826474A (en) * | 2017-03-24 | 2017-06-13 | 哈尔滨工业大学 | Small size thin wall complex structure part superfine grinding lathe |
| CN106965090A (en) * | 2017-03-24 | 2017-07-21 | 哈尔滨工业大学 | Two station processing devices with crushing and grinding |
| CN106919142A (en) * | 2017-04-27 | 2017-07-04 | 华南理工大学 | The network remote monitoring system that a kind of grinding wheel tool On-line Discharge is repaired |
Non-Patent Citations (1)
| Title |
|---|
| 半球陀螺加工用球头砂轮修整装置与修整工艺研究;张坤;《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》;20111215;全文 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107263323A (en) | 2017-10-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107263323B (en) | Ball-end grinding wheel dressing method in place when superfine grinding special-shaped thin wall structural member | |
| CN100475394C (en) | Method and device for forming three-dimensional surface on workpiece | |
| CN107253102A (en) | A kind of precision grinding machining method of special-shaped thin wall labyrinth workpiece | |
| CN108907905A (en) | A kind of robot sanding and polishing method and device for automotive hub casting mold | |
| CN114571326B (en) | Method, device and system for grinding deformed curved surface based on computer vision | |
| CN108747609B (en) | Precision grinding method for aspheric array structure | |
| CN113500522B (en) | Numerical control grinding machine grinding wheel profile in-situ measurement device and method and light path adjustment method | |
| CN106514494B (en) | A kind of ball-end grinding wheel precise dressing method based on Bi_arc fitting error compensation | |
| CN105643394A (en) | High-efficiency and high-precision advanced manufacturing technology process for medium or large caliber aspherical optical element | |
| CN111266937A (en) | Rocker arm type polishing device and method for full-caliber deterministic polishing of planar parts | |
| CN105643395A (en) | Grinding forming method for optical free-form surface | |
| CN101767314A (en) | Grinding wheel dressing method used for grinding processing of raceway of outer ring of bearing | |
| CN110039406A (en) | A kind of ultra-precision machining tool and processing method of monocrystalline silicon optics complex surface | |
| CN101623847B (en) | Diamond ball head grinding wheel electric sparkle dressing cutter adjustment method based on two-time cutter adjustment process | |
| CN110103087A (en) | A kind of integrated equipment of large scale circular cutter Double face grinding and its application method | |
| KR100659433B1 (en) | Method for machining aspherical surface, method for forming aspherical surface, and system for machining aspherical surface | |
| Wang et al. | Arc envelope grinding of sapphire steep aspheric surface with sic-reinforced resin-bonded diamond wheel | |
| CN101758435B (en) | Method for grinding roller path of bearing inner ring | |
| CN103213047B (en) | Integrated precision grinding system and method for extra-large spherical surface | |
| JP2006320970A (en) | Machining device | |
| CN108381331A (en) | A kind of planar part overall situation correction of the flank shape processing unit (plant) and method | |
| CN112775839B (en) | On-site dressing method of cup-shaped arc grinding wheel based on cradle type five-axis numerical control machine tool | |
| US12019424B2 (en) | Method for numerical control milling, forming and polishing of large-diameter aspheric lens | |
| JP2021091091A (en) | Cutting device | |
| CN108594756B (en) | Three-axis linkage machining method of metal reflector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |