CN110039379A - A kind of superfine grinding temperature-compensating instrument and grinding technique - Google Patents
A kind of superfine grinding temperature-compensating instrument and grinding technique Download PDFInfo
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- CN110039379A CN110039379A CN201910212195.9A CN201910212195A CN110039379A CN 110039379 A CN110039379 A CN 110039379A CN 201910212195 A CN201910212195 A CN 201910212195A CN 110039379 A CN110039379 A CN 110039379A
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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
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
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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
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/14—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the temperature during grinding
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- Mechanical Engineering (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
A kind of superfine grinding temperature-compensating instrument and grinding technique, including compensation instrument, three axis table assemblies, measuring instrument, sample holder table assembly, sample fixation kit, standard sample；The coolant liquid being recycled in grinding is passed through in the heating dish of temperature-compensating instrument by temperature-compensating instrument, is heated standard sample using heating dish, is consistent the temperature of standard sample temperature and part to be processed；Then the size changing amount of measuring instrument measurement standard sample is utilized, size changing amount is fed back into processing grinding machine, the error that compensation part to be processed is generated by temperature change, to solve the problems, such as that part size when leading to precision grinding machining because of thermal expansion and contraction is overproof；Use temperature-compensating instrument of the invention, it is not necessary that grinding machine and part to be processed are placed in isoperibol, only according to certain technique precision grinding machining can just need to carry out at normal temperature, therefore have the advantages that require environmental condition that low, the process-cycle is short, at low cost.
Description
Technical field
The present invention relates to machining superfine grinding technique for temperature compensation fields, and in particular to a kind of superfine grinding temperature
Degree compensation instrument and grinding technique.
Background technique
Known, when mechanical grinding is processed, part to be processed quickly increases phenomenon because grinding heat generates temperature, it is therefore desirable to
Spray grinding fluid cools down；Grinding fluid is to be recycled, and with the lasting progress of grinding, the temperature of grinding fluid can be by
Edge up height, therefore the temperature of part to be processed can also gradually rise with the temperature of grinding fluid.When part to be processed grinding
When to required size, grinding terminates, but the temperature of part to be processed can be higher than room temperature.Gradually with the part completed the process
When reducing temperature to room temperature, part size generates scale error because thermal expansion and contraction can change.This problem is to one
As the desired part processing of precision size influence less, but the part required for superhigh precision size is processed, this problem can lead
The overproof of part size is caused, therefore become one to solve the problems, such as；The processing technology for solving the problems, such as this at present is will to be ground
Lathe and part to be processed are placed under the isoperibol of setting, and before processing, grinding machine and part to be processed are needed in setting
It time as defined in being placed under isoperibol, can just be processed；Coolant liquid used in simultaneous processing process also carries out constant temperature
Processing；This precision grinding machining technique requires height, process-cycle long, at high cost environmental condition, for not satisfying the requirements
Enterprise can not implement the technique carry out precision grinding machining.
Summary of the invention
In order to overcome the shortcomings in the background art, the invention discloses a kind of superfine grinding temperature-compensating instrument and grinding to add
Work technique heats standard sample using the coolant liquid that grinding is recycled, makes standard sample temperature and part to be processed
Temperature be consistent；This variable quantity is fed back to processing grinding machine by the then size changing amount of measurement standard sample, compensation
The error that part to be processed is generated by temperature change, to solve when leading to precision grinding machining because of thermal expansion and contraction
The overproof problem of part size；Using this temperature-compensating instrument, it is not necessary that grinding machine and part to be processed are placed in isoperibol,
Only according to certain technique precision grinding machining can just need to carry out at normal temperature, therefore have to environmental condition require it is low,
Process-cycle short, at low cost advantage.
In order to realize the goal of the invention, the present invention adopts the following technical scheme: a kind of superfine grinding temperature-compensating instrument,
It is characterized in that: including compensation instrument, three axis table assemblies, measuring instrument, fixed frame table assembly, sample fixation kit, standard
Sample；The compensation instrument includes: to compensate instrument electrical appliance kit, compensation instrument pedestal, collet, upper heat conducting disk, lower heat conducting disk, coolant liquid to connect
Head, coolant pipe, built-in temperature probe, external temp probe, circuit board composition；After the compensation instrument electrical appliance kit is located at compensation instrument
End, incline position are provided with liquid crystal display, and menu content is arranged for displays temperature, compensation rate and function；Compensate instrument top
It is provided with key, for compensating switch, the zero setting, function setting of instrument；Compensation instrument is internally provided with circuit board composition, circuit board group
Close includes power module, central processing module, size processing module, Temperature Treatment module one, Temperature Treatment module two and communication
Module, the power module are connect with 220V power supply, and the communication module is connect with grinding machine；The compensation instrument pedestal is located at
Instrument front end is compensated, shape is the intermediate rectangular plate for having circular counter bore, and counterbore rear wall has a round small through hole, counterbore antetheca
There are two tapped through hole, compensation instrument pedestal is bolted with compensation instrument electrical appliance kit；The collet is intermediate with circle
Counterbore it is disk-shaped, counterbore rear wall has a round small through hole, and there are two tapped through holes for counterbore antetheca, heat-insulated to be set on compensation
In the counterbore of instrument pedestal；The upper heat conducting disk, lower heat conducting disk are round plate, upper heat conducting disk lower part, the setting of lower heat conducting disk top
There is cooling liquid bath, and is symmetrical structure；Upper heat conducting disk, lower heat conducting disk is setting up and down, is bolted, and collet is then arranged in
In counterbore；There are two the coolant liquid connectors, is threadedly coupled in upper heat conducting disk, the going out of the cooling liquid bath of lower heat conducting disk, water inlet,
Coolant pipe is connected on the outside of coolant liquid connector；The built-in temperature probe is small by the circle of compensation instrument pedestal position counterbore rear wall
The closed cooling formed after upper heat conducting disk, the connection of lower heat conducting disk is arranged in the round small through hole of through-hole and collet counterbore rear wall
In liquid bath, built-in temperature probe is connect with the Temperature Treatment module one of circuit board composition；The external temp probe setting is being mended
The surface with standard sample is repaid, external temp probe is connect with the Temperature Treatment module two of circuit board composition；
The three axis table assembly setting is connect on the left of compensation instrument, with bolt with compensation instrument, the Z axis of three axis table assemblies
Several threaded holes are provided on workbench；
The measuring instrument ontology of the measuring instrument is arranged on the Z axis workbench of three axis table assemblies, is connected with, measuring instrument
It according to actual measurement needs, can be horizontally set on Z axis workbench, can also be vertically set on Z axis workbench；Measuring instrument
On have a measuring rod, measurement boom end is provided with measuring head, and the size processing module of measuring instrument and circuit board composition connects；
The sample holder table assembly setting is connect on the right side of compensation instrument, with bolt with compensation instrument, fixed frame workbench
Several threaded holes are provided on the fixed frame Z axis workbench of component；
The sample holder component includes sample holder, spring pressuring plate, sample fixing bolt, spring pressuring plate bolt；Sample
Fixed frame shape has circular through hole among " racket plate " similar to table tennis bat, and through-hole side wall has several uniformly distributed tapped through holes,
Sample fixing bolt is provided in threaded hole, sample fixing bolt is used for the standard sample being fixed in heat conducting disk；Sample
There are rectangular connecting panels in " racket handle " root of product fixed frame, and the rectangular connecting panels setting of sample holder works in fixed frame Z axis
On platform, it is bolted；Spring pressuring plate is the spring leaf with arc, and root is arranged in the position of fixed frame " racket handle ",
It is fixed with sample fixing bolt, spring pressuring plate can be rotated around spring pressuring plate bolt；Spring pressuring plate is led for compressing to be placed on
Standard sample in hot plate guarantees that standard sample contacts reliably with upper heat conducting disk, and heat transfer is stablized；
The standard sample is to require with part to be processed same material, with size, measure by standard measure of quantity, confirms size
Qualified standard component is arranged in upper thermally conductive panel surface, is compressed by spring pressuring plate, guarantees that standard sample is contacted with upper heat conducting disk
Reliably.
Preferably, the sample fixing bolt and sample contact position are inlaid with plastic material, prevent standard sample by
When thermal expansion, sample fixing bolt weighs standard sample surface wounded.
Preferably, the measuring head material of the measurement boom end is hard, wear-resistant alloy, and shape is small spherical shape, is guaranteed
Measuring head and standard sample surface are point-like contacts.
Preferably, the measuring rod of the measuring instrument can be replaced, for use in the precision grinding machining of inner hole.
Preferably, the connection length between the coolant pipe and grinding machine be no more than two meters, avoid coolant pipe because
It is too long and keep coolant liquid thermal loss excessive, lead to the excessive temperature differentials of part to be processed and standard sample.
Preferably, temperature-compensating instrument during the work time, is placed in closed cloche, and air flowing is avoided to cause to mark
The temperature of quasi- sample fluctuates.
Due to the adoption of the technical scheme as described above, the invention has the following beneficial effects: disclosed by the invention a kind of super
The coolant liquid that grinding is recycled is passed through in the heating dish of temperature-compensating instrument by accurate grinding temperature-compensating instrument, is utilized
Heating dish heats standard sample, is consistent the temperature of standard sample temperature and part to be processed；Then it is surveyed using measuring instrument
Size changing amount is fed back to processing grinding machine by the size changing amount for measuring standard sample, and compensation part to be processed becomes because of temperature
Change the error generated, to solve the problems, such as that part size when leading to precision grinding machining because of thermal expansion and contraction is overproof；
It, only need to be according to one it is not necessary that grinding machine and part to be processed to be placed in isoperibol using temperature-compensating instrument of the invention
Determining technique just can be such that precision grinding machining carries out at normal temperature, thus have to environmental condition require it is low, the process-cycle is short,
Advantage at low cost.
Detailed description of the invention
Fig. 1 is precision grinding machining temperature-compensating instrument structural schematic diagram；
Fig. 2 is compensation instrument structural schematic diagram；
Fig. 3 is three axis table assembly structural schematic diagrams；
Fig. 4 is measuring instrument structural schematic diagram；
Fig. 5 is sample holder table assembly structural schematic diagram；
Fig. 6 is sample holder component structure diagram；
Fig. 7 is circuit board composition the functional block diagram.
In figure: 1, compensating instrument；101, instrument electrical appliance kit is compensated；102, instrument pedestal is compensated；103, collet；104, upper thermally conductive
Disk；105, lower heat conducting disk；106, coolant liquid connector；107, coolant pipe；108, built-in temperature is popped one's head in；109, external temp is visited
Head；110, circuit board composition；111, power supply line；112, output signal line；2, three axis table assembly；201, Z axis workbench；3,
Measuring instrument；301, measuring instrument ontology；302, measuring rod；303, measuring head；4, sample holder table assembly；401, fixed frame
Z axis workbench；5, sample holder component；501, sample holder；502, spring pressuring plate；503, sample fixing bolt；504,
Spring pressuring plate bolt；6, standard sample.
Specific embodiment
By the following examples can the detailed explanation present invention, the open purpose of the present invention is intended to protect model of the present invention
Enclose all interior technological improvements.
A kind of superfine grinding temperature-compensating instrument comprising compensation instrument 1, three axis table assemblies 2, measuring instrument 3, sample are solid
Determine frame table assembly 4, sample holder component 5, standard sample 6；The compensation instrument 1 includes: compensation instrument electrical appliance kit 101, mends
Repay instrument pedestal 102, collet 103, upper heat conducting disk 104, lower heat conducting disk 405, coolant liquid connector 106, coolant pipe 107, built-in
Temp probe 108, external temp probe 109, circuit board composition 110；The compensation instrument electrical appliance kit 101 is located at compensation 1 rear end of instrument,
Incline position is provided with liquid crystal display, and top is provided with key, is internally provided with circuit board composition 110, circuit board composition packet
Power module, central processing module, size processing module, Temperature Treatment module one, Temperature Treatment module two and communication module are included,
The power module is connect with 220V power supply, and the communication module is connect with grinding machine；The compensation instrument pedestal 102, which is located at, to be mended
1 front end of instrument is repaid, is bolted with compensation instrument electrical appliance kit 101；The heavy of compensation instrument pedestal 102 is arranged in the collet 103
Kong Zhong；The upper heat conducting disk 104, lower heat conducting disk 105 is setting up and down, is bolted, and the counterbore of collet 103 is then arranged in
In；There are two the coolant liquid connectors 106, is threadedly coupled in upper heat conducting disk 104, the going out of the cooling liquid bath of lower heat conducting disk 105, enters
The mouth of a river is connected with coolant pipe 107 on the outside of coolant liquid connector 106；108 setting of built-in temperature probe upper heat conducting disk 104,
In the closed cooling liquid bath that lower heat conducting disk 105 is formed after connecting, the temperature of built-in temperature probe 108 and circuit board composition 110
Processing module one connects；The surface of compensation standard sample 6, external temp probe 109 is arranged in the external temp probe 109
It is connect with the Temperature Treatment module two of circuit board composition 110；
The setting of three axis table assembly 2 is connect in 1 left side of compensation instrument, with bolt with compensation instrument 1；The measuring instrument 3 is arranged
On the Z axis workbench 201 of three axis table assemblies 2, it is connected with；There are measuring rod 302,302 end of measuring rod on measuring instrument 3
Portion is provided with measuring head 303, and measuring instrument 3 is connect with the size processing module of circuit board composition 110；
The setting of sample holder table assembly 4 is connect on 1 right side of compensation instrument, with bolt with compensation instrument 1, sample holder
Component 5 includes sample holder 501, spring pressuring plate 502, sample fixing bolt 503, spring pressuring plate bolt 504；Sample holder
501 rectangular connecting panels are arranged on fixed frame Z axis workbench 401, are bolted；The setting of 502 root of spring pressuring plate exists
The position of sample holder 501 " racket handle ", fixed with spring pressuring plate bolt 503, spring pressuring plate 502 can be around spring pressuring plate spiral shell
Bolt 504 rotates；
The standard sample 6 is arranged on upper 104 surface of heat conducting disk, is pressed on 104 surface of heat conducting disk by spring pressuring plate 502, leads to
It is fixed to cross sample fixing bolt 503.
When ultraprecise part needs grinding, standard sample 6 is simulated into part to be processed first and is arranged in milling drum
On bed, dynamic measuring instrument is adjusted to proper states, the reference dimension school of grinding machine is completed into the output zero setting of dynamic measuring instrument
It is quasi-；Then standard sample 6 is placed on 104 in the upper heat conducting disk of temperature-compensating instrument, adjustment sample holder component 5 to suitable height
Degree compresses standard sample 6 with spring pressuring plate 502, tightens spring pressuring plate bolt 504, then tighten sample fixing bolt 503；Adjustment
3 position of measuring instrument, making the output of the contact point of two measuring heads 303 and standard sample 6 is maximum value；By external temp probe 109
It is pasted onto the suitable position of standard sample 6；Then by the output zero setting of temperature-compensating instrument, the reference dimension of temperature-compensating instrument is completed
Calibration；
The coolant liquid of grinding machine is passed through temperature-compensating instrument, is turned on the power switch, temperature-compensating instrument relevant operating parameter is set,
Transparent glass cover is buckled on temperature-compensating instrument, temperature-compensating instrument enters normal operating conditions；
When the built-in temperature probe 108 and the temperature difference of external temp probe 109 that compensate instrument 1 are less than the threshold value of setting, instrument 1 is compensated
Offset is exported to grinding machine, grinding machine starts to carry out grinding, measure until the dynamic measuring instrument of grinding machine
When the difference of numerical value and the offset of temperature-compensating instrument input reaches given threshold, grinding terminates.
When using being originally that temperature-compensating instrument carries out precision grinding machining, technical process are as follows:
S1: standard sample 6 is simulated part to be processed and is arranged on grinding machine, adjusts dynamic measuring instrument to proper states, will move
The output zero setting of state measuring instrument；
S2: part to be processed is arranged on grinding machine；
S3: standard sample 6 is placed in the upper heat conducting disk 104 of temperature-compensating instrument, adjustment sample holder component 5 to suitable height
Degree compresses standard sample 6 with spring pressuring plate 502, tightens spring pressuring plate bolt 504, then tighten sample fixing bolt 503；It will be outer
Set the suitable position that temp probe 109 is pasted onto standard sample 6；3 position of measuring instrument is adjusted, two measuring heads 303 and standard are made
The contact point output of sample 6 is maximum value, by the output zero setting of temperature-compensating instrument；
S4: the coolant liquid of grinding machine is passed through temperature-compensating instrument, turns on the power switch, and setting temperature-compensating instrument related work is joined
Number, transparent glass cover is buckled on temperature-compensating instrument；
S5: after grinding machine receives the offset of temperature-compensating instrument, start to carry out corase grinding processing；When grinding machine dynamic measuring instrument
Measured value and temperature-compensating instrument value of feedback difference be equal to or less than given threshold A when, roughly grind process finishing, exit grinding wheel into
Row finishing；
S6: grinding wheel enters, and carries out fine grinding；When the measured value and temperature-compensating instrument value of feedback of grinding machine dynamic measuring instrument
When difference is equal to or less than given threshold B, fine grinding terminates, and exits grinding wheel and is modified；
S7: grinding wheel enters, and carries out fine grinding processing；When the measured value and temperature-compensating instrument value of feedback of grinding machine dynamic measuring instrument
When difference is equal to or less than given threshold C, fine grinding process finishing, grinding wheel feed-disabling, into mill processing eventually；
S8: mill, which is processed, eventually continues several seconds, and the difference of the measured value of grinding machine dynamic measuring instrument and temperature-compensating instrument value of feedback
Value is stablized within the scope of threshold value D, and mill terminates eventually.
Part not in the detailed description of the invention is the prior art.
Claims (10)
1. a kind of superfine grinding temperature-compensating instrument, it is characterized in that: including compensation instrument (1), three axis table assemblies (2), measurement
Instrument (3), fixed frame table assembly (4), sample fixation kit (5), standard sample (6)；
The compensation instrument (1) includes: compensation instrument electrical appliance kit (101), compensation instrument pedestal (102), collet (103), upper heat conducting disk
(104), lower heat conducting disk (105), coolant liquid connector (106), coolant pipe (107), built-in temperature probe (108), external temp
Probe (109), circuit board composition (110)；The compensation instrument electrical appliance kit (101) is located at compensation instrument (1) rear end, incline position setting
Have liquid crystal display, top is provided with key, be internally provided with circuit board composition (110), circuit board composition include power module,
Central processing module, size processing module, Temperature Treatment module one, Temperature Treatment module two and communication module, the power supply mould
Block is connect with 220V power supply, and the communication module is connect with grinding machine；The compensation instrument pedestal (102) is located at compensation instrument (1)
Front end, shape are the intermediate rectangular plate for having circular counter bore, and counterbore rear wall has a round small through hole, and there are two counterbore antethecas
Tapped through hole, compensation instrument pedestal (102) are bolted with compensation instrument electrical appliance kit (101)；The collet (103) is centre
With the disk-shaped of circular counter bore, counterbore rear wall has a round small through hole, and there are two tapped through hole, collets for counterbore antetheca
(103) it is arranged in the counterbore of compensation instrument pedestal (102)；The upper heat conducting disk (104), lower heat conducting disk (105) are round plate,
Upper heat conducting disk (104) lower part, lower heat conducting disk (105) top are provided with cooling liquid bath, and are symmetrical structure；Upper heat conducting disk (104),
Lower heat conducting disk (105) is setting up and down, is bolted, and is then arranged in the counterbore of collet (103)；The coolant liquid connector
(106) it there are two, is threadedly coupled in upper heat conducting disk (104), the going out of the cooling liquid bath of lower heat conducting disk (105), water inlet, coolant liquid
Coolant pipe (107) are connected on the outside of connector (106)；The built-in temperature probe (108) passes through compensation instrument pedestal (102) counterbore
The circle of round small through hole and collet (103) counterbore rear wall of rear wall is small by being arranged in upper heat conducting disk (104), lower heat conducting disk
(105) in the closed cooling liquid bath formed after connecting, at the temperature of built-in temperature probe (108) and circuit board composition (110)
Module one is managed to connect；External temp probe (109) is arranged in the surface of compensation sample, external temp pop one's head in (109) with
It is connect with the Temperature Treatment module two of circuit board composition (110)；
Three axis table assembly (2) setting is connect on the left of compensation instrument (1), with bolt with compensation instrument (1), three axis workbench
Several threaded holes are provided on the Z axis workbench (201) of component (2)；
The measuring instrument ontology (301) of the measuring instrument (3) is arranged on the Z axis workbench (201) of three axis table assemblies (2),
It is connected with；Have on measuring instrument (3) measuring rod (302), measuring rod (302) end is provided with measuring head (303), measuring instrument
(3) it is connect with the size processing module of circuit board composition (110)；
Sample holder table assembly (4) setting is connect on the right side of compensation instrument (1), with bolt with compensation instrument (1), fixed
Several threaded holes are provided on frame Z axis workbench (401)；
The sample holder component (5) include sample holder (501), spring pressuring plate (502), sample fixing bolt (503),
Spring pressuring plate bolt (504)；Sample holder (501) shape has circular through hole, through-hole among " racket plate " similar to table tennis bat
Side wall has several uniformly distributed tapped through holes, and sample fixing bolt (503) are provided in threaded hole；Sample holder (501)
There are rectangular connecting panels in " racket handle " root, and the rectangular connecting panels of sample holder (501) are arranged in fixed frame Z axis workbench
(401) it on, is bolted；Spring pressuring plate (502) is the spring leaf with arc, and root is arranged in sample holder
(501) position of " racket handle ", fixed with spring pressuring plate bolt (504), spring pressuring plate (502) can be around spring pressuring plate bolt
(504) it rotates；
The standard sample (6) is to require with part to be processed same material, with size, measure confirmation by standard measure of quantity,
The standard component of size qualification is arranged on upper heat conducting disk (104) surface.
2. temperature-compensating instrument according to claim 1, it is characterized in that: sample fixing bolt (503) and sample contact position are inlayed
Embedded with plastic material.
3. temperature-compensating instrument according to claim 1, it is characterized in that: measuring head (303) material of the measuring rod (302) end
Matter is hard, wear-resistant alloy.
4. temperature-compensating instrument according to claim 1, it is characterized in that: the measuring rod (302) of the measuring instrument (3) can be dismantled
Replacement.
5. temperature-compensating instrument according to claim 1, it is characterized in that: between the coolant pipe (107) and grinding machine
Connection length is no more than 2 meters.
6. temperature-compensating instrument according to claim 1, it is characterized in that: temperature-compensating instrument is arranged in closed cloche.
7. a kind of grinding technique using superfine grinding temperature-compensating instrument described in claim 1, it is characterized in that: grinding
Before processing, reference dimension zero setting school is carried out with dynamic measuring instrument and temperature-compensating instrument of the standard sample (6) to grinding machine tool
It is quasi-；With grinding machine process used in coolant liquid to the standard sample in the upper heat conducting disk (104) that temperature-compensating instrument is arranged in
(6) it heats, is consistent the temperature of standard sample and part to be processed；The size changing amount of standard sample (6) after heating
Feed back grinding machine, the change in size that compensation part to be processed is generated by temperature change.
8. the grinding technique of superfine grinding temperature-compensating instrument according to claim 7, it is characterized in that: being processed zero
The grinding process of part is divided into: corase grinding refines, four technical process of fine grinding and whole mill, corase grinding, fine grinding, fine grinding and whole each technique of mill
Process is determined by the measured value of dynamic measuring instrument and the difference of temperature-compensating instrument value of feedback of grinding machine.
9. the grinding technique of superfine grinding temperature-compensating instrument according to claim 7, it is characterized in that: corase grinding and essence
A grinding wheel amendment is respectively carried out between mill, between fine grinding and fine grinding.
10. the grinding technique of superfine grinding temperature-compensating instrument according to claim 7, it is characterized in that: it is specific
Step are as follows:
S1: standard sample (6) is simulated part to be processed and is arranged on grinding machine, adjustment dynamic measuring instrument to proper states, will
The output zero setting of dynamic measuring instrument；
S2: part to be processed is arranged on grinding machine；
S3: standard sample (6) is placed in the upper heat conducting disk (104) of temperature-compensating instrument, and adjustment sample holder component (5) is extremely
Proper height compresses standard sample (6) with spring pressuring plate (502), tightens spring pressuring plate bolt (504), then tighten sample and fix
Bolt (503)；External temp probe (109) is pasted onto the suitable position of standard sample (6)；Measuring instrument (3) position is adjusted, is made
The output of the contact point of two measuring heads (303) and standard sample (6) is maximum value, by the output zero setting of temperature-compensating instrument；
S4: the coolant liquid of grinding machine is passed through temperature-compensating instrument, turns on the power switch, and setting temperature-compensating instrument related work is joined
Number, transparent glass cover is buckled on temperature-compensating instrument；
S5: after grinding machine receives the offset of temperature-compensating instrument, start to carry out corase grinding processing；When grinding machine dynamic measuring instrument
Measured value and temperature-compensating instrument value of feedback difference be equal to or less than given threshold A when, roughly grind process finishing, exit grinding wheel into
Row finishing；
S6: grinding wheel enters, and carries out fine grinding；When the measured value and temperature-compensating instrument value of feedback of grinding machine dynamic measuring instrument
When difference is equal to or less than given threshold B, fine grinding terminates, and exits grinding wheel and is modified；
S7: grinding wheel enters, and carries out fine grinding processing；When the measured value and temperature-compensating instrument value of feedback of grinding machine dynamic measuring instrument
When difference is equal to or less than given threshold C, fine grinding process finishing, grinding wheel feed-disabling, into mill processing eventually；
S8: mill, which is processed, eventually continues several seconds, and the difference of the measured value of grinding machine dynamic measuring instrument and temperature-compensating instrument value of feedback
Value is stablized within the scope of threshold value D, and mill terminates eventually.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910212195.9A CN110039379B (en) | 2019-03-20 | 2019-03-20 | Ultra-precise grinding temperature compensation instrument and grinding process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910212195.9A CN110039379B (en) | 2019-03-20 | 2019-03-20 | Ultra-precise grinding temperature compensation instrument and grinding process |
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| CN110039379B CN110039379B (en) | 2021-04-13 |
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| CN104858772A (en) * | 2014-02-21 | 2015-08-26 | 株式会社迪思科 | Grinding apparatus |
| JP2015157331A (en) * | 2014-02-24 | 2015-09-03 | 株式会社ディスコ | Grinding device |
| CN104742018A (en) * | 2015-04-09 | 2015-07-01 | 大连理工大学 | Grinding method of controlling grinding parameters |
| CN108262667A (en) * | 2018-01-19 | 2018-07-10 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | The method that bearing machining determines dimension compensation amount |
| CN210173324U (en) * | 2019-03-20 | 2020-03-24 | 洛阳市精科主轴有限公司 | Temperature compensation instrument for ultra-precision grinding |
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