CN107457703B - A kind of bronze boart boart wheel disc precise dressing method of the end surface full jumping better than 2 μm - Google Patents
A kind of bronze boart boart wheel disc precise dressing method of the end surface full jumping better than 2 μm Download PDFInfo
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- CN107457703B CN107457703B CN201710802145.7A CN201710802145A CN107457703B CN 107457703 B CN107457703 B CN 107457703B CN 201710802145 A CN201710802145 A CN 201710802145A CN 107457703 B CN107457703 B CN 107457703B
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- 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
Abstract
A kind of bronze boart boart wheel disc precise dressing method of the end surface full jumping better than 2 μm, belongs to high-precision diamond cutter manufacture technical field.Method key step of the invention includes: the Precision Balancing and disk finish trimming of the corase grinding of bronze boart boart wheel face, the preliminary dynamic balancing of bronze boart boart wheel disc, the thick finishing of bronze boart boart wheel face, bronze boart boart wheel disc.Pass through boart boart wheel face finish trimming technique, the detailed analysis speed of mainshaft, finishing pressure, the single feeding finishing finish trimmings such as depth and spindle reciprocating motion frequency technological parameter excellent have selected finish trimming technological parameter to the affecting laws of bronze skive side surface total run-out.Very high using the resulting bronze boart boart wheel face precision of method of the invention, end surface full jumping is better than 2 μm, has pushed the development of bronze boart boart wheel disc precise dressing technology.
Description
Technical field
The present invention relates to a kind of methods to bronze boart boart wheel disc precise dressing, belong to high-precision diamond cutter system
Make technical field.
Background technique
With the development of the sophisticated technologies such as nuclear energy, laser, astronomical telescope, the effect of Ultraprecision Machining is increasingly heavier
It wants, it has also become the mark of a national manufacturing industry highest level.In Ultra-precision machining, accurate high-performance lathe and extremely steady
It is essential to determine processing environment, high precision cutting tools are also most important.Currently, traditional mechanical grinding method is still high-precision gold
The main method of hard rock cutter manufacture.In the mechanical sharpening technique of diamond cutter, directly acted on just with diamond cutter
It is abrasive disc.High-speed rotating abrasive disc surface irregularity will affect the microscopic contact state of cutter Yu grinding wheel disk, change knife
The dynamic having in grinding grinds depth, generates the vibration between cutter and grinding wheel disk, forms disk abrasive grain to the micro- of cutter
Impact is seen, to directly influence the quality of the diamond cutter sharpened out.Therefore, in order to which the disk for guaranteeing abrasive disc is smart
Degree, improves the grinding quality of diamond cutter, and the precise dressing technology of research grinding wheel disk has good practical value.
Metal anchoring agent diamond wheel is formed using diamond abrasive grain with metal powder sintered, is embedded in bonding agent
Diamond abrasive grain remains high rigidity, anti abrasive feature, therefore relatively difficult to the finishing of skive.Domestic and foreign scholars
Many research work have been done in the dressing technique field of the super hard abrasives such as skive, have had developed some effective technique sides
Method.
Diamond turning method is traditional common grinding wheel dressing method.Turning method dressing process is similar to turning side on lathe
Method, diamond dresser modify stone surface with certain finishing depth and feed speed, reach stone face
Permissible accuracy.Turning method includes the finishing of single-point diamond slate pencil and the finishing of multiple spot diamond pen, modifies at low cost, dressing accuracy
It is high.
Grinding dressing method is the method for using silicon carbide grinding wheel in a manner of being ground to modify skive.It is modifying
In, dressing efficiency is low, and silicon carbide sand foot wheel abrasion is quickly.Japanese scholars village department gram hero proposes a kind of utilization cupuliform green silicon carbide
The method of crushing metal anchoring agent diamond wheel, the green silicon carbide abrasive grain to be fallen off when finishing from finishing grinding wheel can be gone
Except the metallic bond around diamond abrasive grain, during to skive shaping, while being also able to achieve to its dressing.
The dressing accuracy of this dressing method is lower.
Rolling dressing method is directly contacted using the skive of rolling freeing wheel and rotation being trimmed, boart boart
Wheel drives rolling wheel rotation, using between the two rolling effect and relative friction effect modified.Rolling wheel can be
Plain wheel, hard alloy idler wheel or hardened steel roller.This method is simple, but finishing ability is poor, and dressing accuracy is low.
On-line purification method is a kind of crushing technology to be grown up by Japanese scholars in 1985.Technology development
Initial stage carries out restoring on line mainly for ceramic material grinding process, to metal anchoring agent diamond wheel, and discovery is for grinding
Hard brittle material, this dressing method effect are preferable.This method is to do anode with metal bindnig agent extra hard abradant sand wheel, passes through electricity
Solution method exposes grinding wheel abrasive grain, forms sharp cutting edge and chip space to realize the finishing to grinding wheel, and dressing efficiency is high, but
Trimming device is complicated.
Laser truing and dressing is to use some strength laser irradiation boart boart wheel surface, by adjusting laser power density,
Make its be not only higher than bonding agent removal threshold value, but also be higher than diamond particles remove threshold value, so that it may while remove diamond abrasive grain and
Its bonding agent, to realize shaping and the dressing of grinding wheel.This method dressing efficiency is high, can modify complex profile, but modify
Precision is undesirable.
Summary of the invention
The purpose of the present invention is to meet high-precision diamond tool mechanical grinding technology to precision diamond abrasive disc
Demand proposes a kind of bronze boart boart wheel disc precise dressing method that end surface full jumping is better than 2 μm.
Process key step designed by the present invention includes: that disk corase grinding, the preliminary dynamic balancing of abrasive disc, disk are slightly repaired
Whole, abrasive disc Precision Balancing and disk finish trimming.Pass through bronze boart boart wheel face finish trimming technological experiment, detailed analysis
The speed of mainshaft, finishing pressure, single feeding finishing depth and spindle reciprocating motion frequency are to bronze skive side surface
The affecting laws of total run-out, it is excellent to have selected finish trimming technological parameter.The resulting bronze boart boart wheel face essence of present invention finishing
Degree is very high, and end surface full jumping is better than 2 μm, has pushed the development of current boart boart wheel disc precise dressing technology.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of bronze boart boart wheel disc precise dressing method of the end surface full jumping better than 2 μm, the method and step is such as
Under:
Step 1: the corase grinding of bronze boart boart wheel face；It is fixed with bronze skive face of trying to get to the heart of a matter on plain grinding lathe
Position is ground the disk top surface of bronze boart boart wheel disc using ceramics or resin diamond grinding wheel, the grinding of single feeding
Depth is set as 10~15 μm, and being repeatedly ground to bronze boart boart wheel face and being ground smooth can stop；
Step 2: the preliminary dynamic balancing of bronze boart boart wheel disc；Bronze boart boart wheel disc is installed to special fixture
On, it is then installed on dynamic balancing machine and detects bronze boart boart wheel disc mass eccentricity amount and eccentric position, according to detection
As a result by position indicated by dynamic balancing machine label is performed in bronze skive face of trying to get to the heart of a matter, removes bronze boart boart wheel disc,
The drilling according to needed for eccentricity detected, bronze skive try to get to the heart of a matter face density of material and bit diameter calculates mark
Then depth completes drilling operation on drilling machine, remove extra eccentric mass；
Step 3: the thick finishing of bronze boart boart wheel face；By the bronze boart boart wheel disc on special fixture
It is installed on the main shaft of diamond cutter abrasive machine, head is then used to be welded with average grain diameter as the irregular natural diamond of 1mm
The single-point finishing pen of particle, mount it to after the indexing fixture of diamond cutter abrasive machine to bronze boart boart wheel face into
The thick finishing of row, is arranged trim process parameter are as follows: 3000~3600r/min of the speed of mainshaft modifies 15~20N of pressure, single feeding
2~3 μm of depth of finishing, 0.08~0.10Hz of spindle reciprocating motion frequency；
Step 4: the Precision Balancing of bronze boart boart wheel disc；Bronze boart boart wheel disc is ground from diamond cutter
It is removed on milling spindle, then it is installed on dynamic balancing machine, Precision Balancing is carried out again to it；
Step 5: being welded with the single-point finishing pen that average grain diameter is the irregular natural diamond particles of 1mm for head and remove, then
The single-point diamond finishing pen of 60 ° of circular cone pen tips is installed on diamond cutter abrasive machine indexing fixture, to diamond cutter
The balance staff of grinder is zeroed out operation, and the indexing fixture axis and bronze boart boart wheel disc disk are arranged after the completion of resetting
Face angle is 31 °~35 °, using the bronze boart boart wheel disc of 800# that the pen tip barreling of single-point diamond finishing pen is sharp,
The sound issued to barreling is uniform, can continuously stop；
Step 6: the bronze boart boart wheel disc after step 4 Precision Balancing is installed on diamond cutter again
On grinder main shaft, clear operation is re-started to the balance staff, setting indexing fixture axis and bronze gold after the completion of resetting
Hard rock abrasive disc disk angle is 75 °~80 °；
Step 7: thermostatic control diamond cutter abrasive machine ambient temperature is 20~25 DEG C, constant-temperature precision ± 0.5
DEG C, under the main shaft cooling water recirculation system normal operation of diamond cutter abrasive machine, zero load stands diamond cutter and grinds
Grinding machine makes its performance reach stable state；
Step 8: the finish trimming of bronze boart boart wheel face；Using preferred finish trimming technological parameter to bronze Buddha's warrior attendant
Stone sand wheel disc carries out finish trimming；
Step 9: laser displacement sensor is installed on diamond cutter abrasive machine to the bronze diamond after finish trimming
Abrasive disc is trimmed flat surface and is detected in place, measures bronze skive side surface total run-out value.
The present invention have compared with prior art it is below the utility model has the advantages that
1, the present invention provides a kind of processes being suitable for bronze boart boart wheel disc precise dressing, rationally design
Disk corase grinding, abrasive disc preliminary dynamic balancing, disk slightly modify, the technique of abrasive disc Precision Balancing and disk precise dressing
Step.For the end surface full jumping for reducing boart boart wheel disc as far as possible, depth is modified to the speed of mainshaft, finishing pressure, single feeding
And spindle reciprocating motion frequency carries out comprehensive analysis, preferably the finish trimming technological parameter of boart boart wheel disc, obtained disk
Face precision is very high, and end surface full jumping is better than 2 μm, diamond needed for very well satisfying current high-precision diamond tool sharpening
Abrasive disc.
2, operation of the present invention is simple, at low cost, and the boart boart wheel disc precision that finishing obtains is very high.Using the present invention
Precise dressing is carried out having a size of the bronze boart boart wheel disc of 35~Φ of Φ 86mm to working face, detects its end surface full jumping in place
Value is smaller than 2 μm.At this point, abrasive disc works under 3000~4200r/min revolving speed, in the light that diamond cutter abrasive machine carries
School superintendent controls system observation single-point diamond finishing pen projection, is able to achieve stationary.
Detailed description of the invention
Fig. 1 is bronze boart boart wheel disc picture；
Fig. 2 is the special fixture picture for installing bronze boart boart wheel disc；
Fig. 3 is the dynamic balancing machine picture that dynamic balancing detection is carried out to bronze boart boart wheel disc；
Fig. 4 is to carry out modifying diamond cutter abrasive machine picture used to bronze boart boart wheel disc；
Fig. 5 is that the movement letter of bronze diamond cutter abrasive machine critical component is intended to；
Fig. 6 is the thick single-point finishing pen modified head used and be welded with average grain diameter as the irregular natural diamond particles of 1mm
Picture；
Fig. 7 is that the single-point diamond that head used in finish trimming is 60 ° of circular cone pen tips modifies a picture；
Fig. 8 is the laser displacement sensor gauge head figure that end surface full jumping detection in place is carried out to bronze boart boart wheel disc
Piece.
Specific embodiment
Further description of the technical solution of the present invention with reference to the accompanying drawing, and however, it is not limited to this, all to this
Inventive technique scheme is modified or replaced equivalently, and without departing from the spirit and scope of the technical solution of the present invention, should all be covered
Within the protection scope of the present invention.
Specific embodiment 1: a kind of end surface full jumping is better than 2 μm of bronze boart boart wheel disc precise dressing method, institute
The method and step stated is as follows:
Step 1: the corase grinding of bronze boart boart wheel face；It is fixed with bronze skive face of trying to get to the heart of a matter on plain grinding lathe
Position is ground the disk top surface of bronze boart boart wheel disc using ceramics or resin diamond grinding wheel, the grinding of single feeding
Depth is set as 10~15 μm, be repeatedly ground to bronze boart boart wheel face be ground it is smooth can stop, as shown in Figure 1；
Step 2: the preliminary dynamic balancing of bronze boart boart wheel disc；Bronze boart boart wheel disc is installed to shown in Fig. 2
On special fixture, be then installed on dynamic balancing machine shown in Fig. 3 detect bronze boart boart wheel disc mass eccentricity amount and
Eccentric position by position indicated by dynamic balancing machine performs label in bronze skive face of trying to get to the heart of a matter according to testing result, removes
Bronze boart boart wheel disc is tried to get to the heart of a matter face density of material and bit diameter meter according to eccentricity detected, bronze skive
Drilling depth needed for calculating mark, drilling operation is then completed on drilling machine, removes extra eccentric mass.Needed for calculating
When drilling depth, if eccentricity size detected is m, boart boart wheel face density of material is ρ, used bit diameter
For d, drill head apical angle φ, then the calculation formula of required drilling depth h is as follows:
Step 3: the thick finishing of bronze boart boart wheel face；By the bronze boart boart wheel disc on special fixture
It is installed on the main shaft of Fig. 4 and diamond cutter abrasive machine shown in fig. 5, average grain diameter is then welded with using head shown in Fig. 6
For the single-point finishing pen of the irregular natural diamond particles of 1mm, point of diamond cutter abrasive machine shown in fig. 5 is mounted it to
Bronze boart boart wheel face is slightly modified after degree fixture, trim process parameter is set are as follows: the speed of mainshaft 3000~
3600r/min, finishing 15~20N of pressure, 2~3 μm of depth of finishing of single feeding, spindle reciprocating motion frequency 0.08~
0.10Hz；
It is 1mm that the optical monitoring system observation head carried before finishing using diamond cutter abrasive machine, which is welded with average grain diameter,
The single-point finishing nib portion of irregular natural diamond particles simultaneously adjusts balance staff shown in Fig. 4 and Fig. 5 (for one in pendulum shaft component
Component) position, guarantee head be welded with average grain diameter be the irregular natural diamond particles of 1mm single-point finishing nib portion Buddha's warrior attendant
The sharp parts of stone particle participate in finishing；
Step 4: the Precision Balancing of bronze boart boart wheel disc；Bronze boart boart wheel disc is ground from diamond cutter
It is removed on milling spindle, then it is installed on dynamic balancing machine, Precision Balancing is carried out again to it；
Step 5: being welded with the single-point finishing pen that average grain diameter is the irregular natural diamond particles of 1mm for head and remove, then
The single-point diamond finishing pen of 60 ° of circular cone pen tips shown in Fig. 7 is installed on diamond cutter abrasive machine indexing folder shown in fig. 5
On tool, operation is zeroed out to the balance staff of diamond cutter abrasive machine shown in Fig. 4 and Fig. 5, after the completion of resetting described in setting Fig. 5
Indexing fixture axis and bronze boart boart wheel disc disk angle are 31 °~35 °, will using the bronze boart boart wheel disc of 800#
The pen tip barreling of the single-point diamond finishing pen of 60 ° of circular cone pen tips is sharp, until the sound that barreling issues can uniformly, continuously stop
Only；
Step 6: the bronze boart boart wheel disc after step 4 Precision Balancing is installed on gold shown in Fig. 4 again
On hard rock cutter finishing machine main shaft, the balance staff described in Fig. 4 and Fig. 5 re-starts clear operation, and Fig. 5 institute is arranged after the completion of resetting
Show that indexing fixture axis and bronze boart boart wheel disc disk angle are 75 °~80 °；
Step 7: thermostatic control Fig. 4 diamond cutter abrasive machine ambient temperature is 20 DEG C~25 DEG C, constant-temperature precision
± 0.5 DEG C, under the main shaft cooling water recirculation system normal operation of diamond cutter abrasive machine, zero load stands diamond tool
Have grinder, its performance is made to reach stable state；
Step 8: the finish trimming of bronze boart boart wheel face；Using preferred finish trimming technological parameter to bronze Buddha's warrior attendant
Stone sand wheel disc carries out finish trimming；
Step 9: as shown in figure 8, after laser displacement sensor is installed on diamond cutter abrasive machine to finish trimming
Bronze boart boart wheel disc is trimmed flat surface and is detected in place, measures bronze skive side surface total run-out
Value.
Precise dressing is carried out having a size of the bronze boart boart wheel disc of Φ 35- Φ 86mm to working face according to above-mentioned steps,
Higher precision level can have been reached better than 2 μm by detecting its end surface full jumping value in place.
Bronze boart boart wheel disc, dynamic balancing machine, diamond cutter abrasive machine, is welded with average grain diameter as 1mm at special fixture
It is existing that the single-point diamond finishing pen of irregular natural diamond particles, the single-point diamond of 60 ° of circular cone pen tips, which modify pen,
Technology.
Specific embodiment 2: present embodiment is the further explanation made to specific embodiment one, the step
In rapid three, the single-point of the optical monitoring system observation bulky grain natural diamond carried before modifying using diamond cutter abrasive machine
Finishing nib portion simultaneously adjusts balance staff position, guarantees that head is welded with the single-point that average grain diameter is the irregular natural diamond particles of 1mm
The sharp parts for modifying nib portion diamond particles participate in finishing, and after finishing 30min every time, laser displacement sensor is installed
In being detected in place on diamond cutter abrasive machine to the dressing accuracy of bronze boart boart wheel face, if bronze boart boart
Wheel disc end surface full jumping value then can proceed with step 4 operation, otherwise repeat step 3 to bronze skive less than 5 μm
Until side surface total run-out value is less than 5 μm.
Specific embodiment 3: present embodiment is the further explanation made to specific embodiment one or two, it is described
The step of four specific step is as follows:
Bronze boart boart wheel disc is removed from grinder main shaft shown in Fig. 4, bronze boart boart wheel disc is installed on
Bronze boart boart wheel disc mass eccentricity amount and eccentric position are detected on dynamic balancing machine shown in Fig. 3, in bronze boart boart wheel disc
Bottom surface performs label by position indicated by dynamic balancing machine, bronze boart boart wheel disc is removed, according to eccentricity detected, bronze
Skive tries to get to the heart of a matter face density of material and bit diameter calculates drilling depth needed for mark, is then bored on drilling machine
Hole operation detects bronze boart boart wheel disc mass eccentricity amount and eccentric position on dynamic balancing machine again after the completion of drilling, if
Bronze boart boart wheel disc mass eccentricity amount is less than 0.1g, then can carry out step 5 operation, otherwise repeats step 4 to bronze gold
Until hard rock abrasive disc mass eccentricity amount is less than 0.1g.
Specific embodiment 4: present embodiment is the further explanation made to specific embodiment one, the step
In rapid eight, finish trimming, finish trimming technological parameter setting are as follows: speed of mainshaft 3000r/min is repaired are carried out to bronze boart boart wheel disc
Seamless power 14.7N, 1 μm of depth, spindle reciprocating motion frequency 0.08Hz of finishing of single feeding, during finish trimming, as shown in Figure 5
Feed box is fed 8 times altogether, is drawn to the single-point diamond finishing pen tip uniformity of each refine to 60 ° of circular cone pen tips when modifying
Bronze boart boart sheave surface is crossed, the sound of sending is tiny and uniformly continuous can continue 1 μm of feeding, starts new primary essence
It repairs.
Claims (5)
1. a kind of end surface full jumping is better than 2 μm of bronze boart boart wheel disc precise dressing method, it is characterised in that: the side
Steps are as follows for method:
Step 1: the corase grinding of bronze boart boart wheel face；On plain grinding lathe, with bronze skive try to get to the heart of a matter face positioning,
The disk top surface of bronze boart boart wheel disc is ground using ceramics or resin diamond grinding wheel, the grinding depth of single feeding
10~15 μm are set as, being repeatedly ground to bronze boart boart wheel face and being ground smooth can stop；
Step 2: the preliminary dynamic balancing of bronze boart boart wheel disc；Bronze boart boart wheel disc is installed on special fixture, so
It is installed on dynamic balancing machine afterwards and detects bronze boart boart wheel disc mass eccentricity amount and eccentric position, existed according to testing result
Bronze skive face of trying to get to the heart of a matter by position indicated by dynamic balancing machine performs label, bronze boart boart wheel disc is removed, according to institute
The eccentricity of detection, bronze skive try to get to the heart of a matter face density of material and bit diameter calculates drilling depth needed for mark,
Then drilling operation is completed on drilling machine, removes extra eccentric mass；
Step 3: the thick finishing of bronze boart boart wheel face；By the bronze boart boart wheel disc installation on special fixture
In on the main shaft of diamond cutter abrasive machine, then using head to be welded with average grain diameter as the irregular natural diamond particles of 1mm
Single-point finishing pen, mount it to after the indexing fixture of diamond cutter abrasive machine bronze boart boart wheel face is carried out it is thick
Trim process parameter is arranged in finishing are as follows: 3000~3600r/min of the speed of mainshaft modifies 15~20N of pressure, single feeding finishing
2~3 μm of depth, 0.08~0.10Hz of spindle reciprocating motion frequency；
Step 4: the Precision Balancing of bronze boart boart wheel disc；By bronze boart boart wheel disc from diamond cutter abrasive machine
It is removed on main shaft, then it is installed on dynamic balancing machine, Precision Balancing is carried out again to it；
Step 5: head is welded with the single-point finishing pen that average grain diameter is the irregular natural diamond particles of 1mm and is removed, then will
The single-point diamond finishing pen of 60 ° of circular cone pen tips is installed on diamond cutter abrasive machine indexing fixture, is ground to diamond cutter
The balance staff of grinding machine is zeroed out operation, and the indexing fixture axis and bronze boart boart wheel disc disk are arranged after the completion of resetting
Angle is 31 °~35 °, using the bronze boart boart wheel disc of 800# that the pen tip barreling of single-point diamond finishing pen is sharp, until
The sound that barreling issues can uniformly, continuously stop；
Step 6: the bronze boart boart wheel disc after step 4 Precision Balancing is installed on diamond cutter grinding again
On owner's axis, clear operation is re-started to the balance staff, setting indexing fixture axis and bronze diamond after the completion of resetting
Abrasive disc disk angle is 75 °~80 °；
Step 7: thermostatic control diamond cutter abrasive machine ambient temperature is 20~25 DEG C, constant-temperature precision ± 0.5 DEG C,
Under the main shaft cooling water recirculation system normal operation of diamond cutter abrasive machine, zero load stands diamond cutter abrasive machine,
Its performance is set to reach stable state；
Step 8: the finish trimming of bronze boart boart wheel face；Using preferred finish trimming technological parameter to bronze boart boart
Wheel disc carries out finish trimming；
Step 9: laser displacement sensor is installed on diamond cutter abrasive machine to the bronze skive after finish trimming
Disk is trimmed flat surface and is detected in place, measures bronze skive side surface total run-out value.
2. a kind of end surface full jumping according to claim 1 is better than 2 μm of bronze boart boart wheel disc precise dressing method,
It is characterized by:, if eccentricity size detected is m, boart boart wheel face density of material is ρ in the step two,
Used bit diameter is d, drill head apical angle φ, then the calculation formula of required drilling depth h is as follows:
3. a kind of end surface full jumping according to claim 1 is better than 2 μm of bronze boart boart wheel disc precise dressing method,
It is characterized by: utilizing the optical monitoring system viewing head that diamond cutter abrasive machine is included before modifying in the step three
Portion is welded with the single-point finishing nib portion that average grain diameter is the irregular natural diamond particles of 1mm and adjusts balance staff position, head weldering
There is the sharp parts participation that average grain diameter is the single-point finishing nib portion diamond particles of the irregular natural diamond particles of 1mm to repair
It is whole, after finishing 30min every time, laser displacement sensor is installed on diamond cutter abrasive machine to bronze skive
The dressing accuracy of disk is detected in place, if bronze skive side surface total run-out value can proceed with less than 5 μm
Step 4 operation, otherwise repeats step 3 until bronze skive side surface total run-out value is less than 5 μm.
4. a kind of end surface full jumping according to claim 1 or 3 is better than 2 μm of bronze boart boart wheel disc precise dressing side
Method, it is characterised in that: specific step is as follows for the step four:
Bronze boart boart wheel disc is installed on dynamic balancing machine and detects bronze boart boart wheel disc mass eccentricity amount and eccentric position
It sets, by position indicated by dynamic balancing machine performs label in bronze skive face of trying to get to the heart of a matter, remove bronze boart boart wheel disc, root
Try to get to the heart of a matter face density of material according to eccentricity detected, bronze skive and bit diameter calculate drill needed for mark it is deep
Then degree carries out drilling operation on drilling machine, detect bronze boart boart wheel disc matter after the completion of drilling on dynamic balancing machine again
Eccentricity and eccentric position are measured, if bronze boart boart wheel disc mass eccentricity amount is less than 0.1g, step 5 operation can be carried out, it is no
Step 4 is then repeated until bronze boart boart wheel disc mass eccentricity amount is less than 0.1g.
5. a kind of end surface full jumping according to claim 1 is better than 2 μm of bronze boart boart wheel disc precise dressing method,
It is characterized by: in the step eight, finish trimming technological parameter setting are as follows: speed of mainshaft 3000r/min modifies pressure
14.7N, 1 μm of depth, spindle reciprocating motion frequency 0.08Hz of finishing of single feeding, 8 feedings of finish trimming process point, each refine
Single-point diamond to 60 ° of circular cone pen tips when finishing streaks bronze boart boart sheave surface with modifying a pen tip uniformity,
The sound of sending is tiny and uniformly continuous can continue 1 μm of feeding, starts a new refine.
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| CN110434754B (en) * | 2019-08-10 | 2021-03-02 | 哈尔滨工业大学 | Mechanical grinding process of high-precision monocrystal diamond conical pressure head |
| CN110509126B (en) * | 2019-08-27 | 2020-07-14 | 江阴塞特精密工具有限公司 | Multi-grinding-wheel molding line shoveling and grinding process of ultra-small module gear hob |
| CN112775840B (en) * | 2021-01-19 | 2022-07-22 | 马鞍山市恒永利机械科技有限公司 | Grinding wheel dressing system |
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| CN104972399A (en) * | 2014-04-10 | 2015-10-14 | 鞍钢股份有限公司 | Grinding wheel dynamic balance adjustment method |
| CN103991039A (en) * | 2014-05-18 | 2014-08-20 | 郑州众邦超硬工具有限公司 | Method for machining rotor of screw compressor through formation CBN grinding wheel |
| CN106392885A (en) * | 2016-09-23 | 2017-02-15 | 山东大学 | Combined precise trimming device and trimming method for ultrahard grinding sand wheel |
| CN106670902A (en) * | 2016-11-15 | 2017-05-17 | 陕西高华知本化工科技有限公司 | Low-roughness grinding method for outer circle of oil film bearing taper sleeve |
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