CN110328567A  A kind of big aspect ratio hole measurement grinding integral processing method  Google Patents
A kind of big aspect ratio hole measurement grinding integral processing method Download PDFInfo
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 CN110328567A CN110328567A CN201910544895.8A CN201910544895A CN110328567A CN 110328567 A CN110328567 A CN 110328567A CN 201910544895 A CN201910544895 A CN 201910544895A CN 110328567 A CN110328567 A CN 110328567A
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 238000005259 measurement Methods 0.000 title claims abstract description 35
 238000003672 processing method Methods 0.000 title claims abstract description 12
 238000003754 machining Methods 0.000 claims abstract description 29
 238000000034 method Methods 0.000 claims abstract description 20
 230000000875 corresponding Effects 0.000 claims abstract description 12
 238000005299 abrasion Methods 0.000 claims description 9
 239000000463 material Substances 0.000 claims description 6
 239000011148 porous material Substances 0.000 claims description 6
 241001422033 Thestylus Species 0.000 claims description 5
 229910001651 emery Inorganic materials 0.000 claims description 4
 238000004519 manufacturing process Methods 0.000 abstract description 3
 239000004576 sand Substances 0.000 description 5
 238000005452 bending Methods 0.000 description 2
 239000000306 component Substances 0.000 description 2
 238000005516 engineering process Methods 0.000 description 2
 239000012530 fluid Substances 0.000 description 2
 230000037250 Clearance Effects 0.000 description 1
 230000035512 clearance Effects 0.000 description 1
 230000001276 controlling effect Effects 0.000 description 1
 239000008358 core component Substances 0.000 description 1
 238000010586 diagram Methods 0.000 description 1
 230000001429 stepping Effects 0.000 description 1
 238000006467 substitution reaction Methods 0.000 description 1
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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
 B24B47/00—Drives or gearings; Equipment therefor
 B24B47/20—Drives or gearings; Equipment therefor relating to feed movement

 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
 B24B49/003—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 involving acoustic means

 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
 B24B49/02—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 according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent

 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
 B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
 B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
 B24B5/06—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces internally
 B24B5/10—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces internally involving a horizontal tool spindle

 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
 B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
 B24B5/36—Singlepurpose machines or devices
 B24B5/40—Singlepurpose machines or devices for grinding tubes internally

 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
 B24B51/00—Arrangements for automatic control of a series of individual steps in grinding a workpiece
Abstract
A kind of big aspect ratio hole measurement grinding integral processing method, belongs to inner circle accurate grinding manufacture field.In process using aperture at stylus measurement each section of workpiece, the size by calculating inner hole of workpiece machining allowance δ judges the locating process segment, corresponding machined parameters is selected to carry out tools for inner bores of workpieces processing.Work as δ_{0}> 0.5mm, using roughing parameter, mill bar precompressed amount 2/3Xs < Xa_{p0}≤ Xs, 20 μm of < a of cuttingin_{p}≤30μm；As 0.1mm < δ_{1}When≤0.5mm, using semifinishing parameter, mill bar precompressed amount 1/3Xs < Xa_{p0}≤ 2/3Xs, 10 μm of < a of cuttingin_{p}≤20μm；As 0.01mm < δ_{2}When≤0.1mm, using finishing parameter, mill bar precompressed amount 1/4Xs < Xa_{p0}≤ 1/3Xs, 2 μm of < a of cuttingin_{p}≤10μm；Work as δ_{3}When≤0.01mm, using last process segment parameter, 0 < Xa of mill bar precompressed amount_{p0}≤ 1/4Xs, 0 μm of < a of cuttingin_{p}≤2μm.The present invention realizes the measurement grinding one automation processing in big aspect ratio hole, improves production efficiency, reduces rejection rate, and easy to operate, mitigates operator's labor intensity.
Description
Technical field
The invention belongs to inner circle accurate grinding manufacture fields, are related to a kind of big integrated processing side of aspect ratio hole measurement grinding
Method.
Background technique
The big parts such as aspect ratio thin walled cylinder body and pressurized strut are to constitute undercarriage Vibrant buffer unit and folding and unfolding campaign
The important support part and hydraulic motion part of unit, are the core components of undercarriage.To guarantee that undercarriage is highly reliable, high
The service performance of quality prevents occurring the failures such as high pressure oil leaks or movement parts are stuck in use process, it is necessary to assure sleeve
With the precision and surface quality of the deep holes thinwalled workpiece inner hole such as pressurized strut.
Such part is mainly processed on common deep hole grinder at present, since such part has aspect ratio big, hole
The characteristics of diameter is small and thinwalled, therefore process that mill bar used is elongated, and poor rigidity, process medium plain emery wheel is big by knife, causes each material
The practical removal depth of material is less than theoretical cuttingin a_{p}, to guarantee that inner hole meets dimension precision requirement after work pieces process, in semifinishing
It needs operator using inside micrometer repeated measurement workpiece aperture with finishing stage, determines next stepping cuttingin a_{p}It is big
It is small.Longer due to measuring inside micrometer used, the axis of inside micrometer and the concentricity of inner hole of workpiece axis are missed when measurement
Difference brings very big error to measurement result, easily causes workpiece aperture processing error and the serious consequence scrapped；In pressurized strut simultaneously
Pore structure is complicated, including multiple ladders and excessive circular and step surface, in inside diameter measurement every section of inner hole need to measure it is multiple not
With the aperture at section, it is very big that workload is measured in the entire processcycle of a workpiece, thus has been significantly greatly increased worker's
Labor intensity, and the measurement process used time is made to occupy the significant portion of entire machining period, seriously reduce processing efficiency；Due to hole
Diameter measurement cannot achieve the automation processing of measurement processing one by being accomplished manually.Processing efficiency is low for traditional diamondmaking technique,
Workpiece accuracy consistency is poor, high rejection rate, high to operator's technical requirements, and labor intensity of workers is big, has been unable to satisfy this
Requirement type component precise highefficiency processing and produced in enormous quantities, therefore there is an urgent need to invent or develop a kind of new big aspect ratio
Hole measurement is ground integrated processing technology, to solve the above problems and realize the accurate, efficient of such big aspect ratio part and oneself
Dynamicization processing, the Precision Machining for aerospace key components and parts provide technical guarantee.
Summary of the invention
Processing efficiency is low, element precision retentivity difference and can not establish measurement and grinding for set forth above by the present invention
Between relative positional relationship the problem of, a kind of big aspect ratio hole measurement grinding integral processing method is provided.
To achieve the goals above, technical scheme is as follows:
A kind of big aspect ratio hole measurement grinding integral processing method, comprising the following steps:
S1, lathe is opened, workpiece and grinding wheel is installed, confirm that lathe working condition and processing program are normal.
S2, control machine Zaxis workbench are fast moved to Zdirection security bit coordinate Z_{1}=Z_{0} 180, wherein Z_{0}For the grinding wheel right side
When end face and workpiece left end face contact, machine Zaxis raster coordinate value, i.e. Z_{0}For workpiece Zdirection zero point；
S3, control lathe Xaxis workbench are fast moved to X to security bit coordinate X_{0}, X_{0}For the workpiece centre of gyration and mill bar axle
When line is overlapped, lathe Xaxis raster coordinate value.
S4, inside diameter measurement: control lathe Xaxis workbench and Z axis movable workbench, at stylus measurement each section of workpiece
Aperture, and record at corresponding aperture X of the stylus bulb in lathe coordinate system to Zdirection coordinate, take minimum value in institute's gaging hole diameter
D_{min}And its coordinate (X of the corresponding position stylus bulb in lathe coordinate system_{2},Z_{2})。
S5, grinding wheel are to knife: at the smallest crosssectional of workpiece aperture, being closed according to the relative position between grinding wheel and stylus bulb
System completes grinding wheel quick tool setting using sound emission, and record at this time X of the grinding wheel in lathe coordinate system to the coordinate value with Zdirection
(X_{3},Z_{3}), and control lathe Xaxis workbench and Z axis workbench is fast moved to X to security bit X_{0}With Zdirection security bit Z_{1}。
S6, judge machining allowance δ_{0}=D_{0}+EID_{min}Whether > 0.5mm is true, is, executes step S7, no, executes step
S11, wherein D_{0}For workpiece nominal pore size, EI is the lower deviation in aperture.
S7, starting work spindle motor start grinding wheel master by scroll chuck drive workpiece rotation to working speed
Axis is to working speed, and using roughing parameter, Xs as described below is the maximum flexibility amount allowed when mill bar is used safely, control
It is Xa that lathe Xaxis workbench processed, which applies mill bar precompressed amount,_{p0}, 2/3Xs < Xa_{p0}≤Xs。
S8, control lathe Xaxis table feed cuttingin a_{p}, 20 μm of < a_{p}≤ 30 μm, Z axis workbench is with reciprocating speed f_{a}Fortune
It moves to Zdirection coordinate Z_{0}+Δb_{2}, then control lathe Xaxis table feed cuttingin a_{p}, 20 μm of < a_{p}≤ 30 μm, Z axis workbench with
Reciprocating speed f_{a}Move to Zdirection coordinate Z_{0}+L+Δb_{1}, record roughing stage Grinding Cycle Command frequency n_{1}, wherein L is inner hole of workpiece
Length, 0≤Δ b_{1}≤ 1/2B, 1/2B≤Δ b_{2}≤ B, B are grinding wheel width, 100mm/min≤f_{a}≤200mm/min。
S9, judgementIt is whether true, it is to execute step S10, it is no, step S8 is executed, wherein N_{1}=1,2,3 ...,
Specific value is according to the mill bar precompressed amount Xa in roughing stage_{p0}, cuttingin a_{p}And machining allowance δ_{0}It determines.
S10, each crosssectional aperture of workpiece is measured using stylus, minimumvalue aperture will be measured and be denoted as D_{1}。
S11, judge machining allowance 0.1mm < δ_{1}=D_{0}+EID_{1}Whether≤0.5mm is true, is, executes step S12, no,
Execute step S8.
S12, using semifinishing parameter, control lathe Xaxis workbench and apply mill bar precompressed amount Xa_{p0}, 1/3Xs < Xa_{p0}≤
2/3Xs。
S13, control lathe Xaxis table feed cuttingin a_{p}, 10 μm of < a_{p}≤ 20 μm, Z axis workbench is with reciprocating speed f_{a}?
Zdirection coordinate Z_{0}+Δb_{2}, then control lathe Xaxis table feed cuttingin a_{p}, 10 μm of < a_{p}≤ 20 μm, Z axis workbench is with reciprocal
Speed f_{a}Move to Zdirection coordinate Z_{0}+L+Δb_{1}, record semifinishing stage Grinding Cycle Command frequency n_{2}。
S14, judgementIt is whether true, it is to execute step S15, it is no, step S13 is executed, wherein N_{2}=1,2,3 ...,
Specific value is according to the mill bar precompressed amount Xa in semifinishing stage_{p0}, cuttingin a_{p}And machining allowance δ_{1}It determines.
S15, each crosssectional aperture of workpiece is measured using stylus, minimumvalue aperture will be measured and be denoted as D_{2}。
S16, judge machining allowance 0.01mm < δ_{2}=D_{0}+EID_{2}Whether≤0.1mm is true, is, executes step S17, no,
Execute step S13.
S17, using finishing parameter, control lathe Xaxis workbench apply mill bar precompressed amount Xa_{p0}, 1/4Xs < Xa_{p0}≤1/
3Xs。
S18, control lathe Xaxis table feed cuttingin a_{p}, 2 μm of < a_{p}≤ 10 μm, Z axis workbench is with reciprocating speed f_{a}In Z
To coordinate Z_{0}+Δb_{2}, then control lathe Xaxis table feed cuttingin a_{p}, 2 μm of < a_{p}≤ 10 μm, the previous complexvelocity of Z axis workbench
Spend f_{a}Move to Zdirection coordinate Z_{0}+L+Δb_{1}。
S19, each crosssectional aperture of workpiece is measured using stylus, minimumvalue aperture will be measured and be denoted as D_{3}。
S20, judge machining allowance δ_{3}=D_{0}+EID_{3}Whether≤0.01mm is true, is, executes step S21, no, executes step
Rapid S18.
S21, using final stage machined parameters, control lathe Xaxis workbench and apply mill bar precompressed amount Xa_{p0}, 0≤Xa_{p0}≤
1/4Xs。
S22, control lathe Xaxis table feed cuttingin a_{p}, 0 < a_{p}≤ 2 μm, Z axis workbench is with reciprocating speed f_{a}In Zdirection
Coordinate Z_{0}+Δb_{2}, then control lathe Xaxis table feed cuttingin a_{p}, 0 < a_{p}≤ 2 μm, Z axis workbench is with reciprocating speed f_{a}Fortune
It moves to Zdirection coordinate Z_{0}+L+Δb_{1}。
S23, each crosssectional aperture of workpiece is measured using stylus, minimumvalue aperture will be measured and be denoted as D_{4}。
S24, judge D_{0}+EI≤D_{4}≤D_{0}Whether+ES is true, is, executes step S25, no, executes step S22.
S25, control lathe Xaxis workbench are fast moved to X to security bit X_{0}, Z axis workbench fast moves safe to Zdirection
Position Z_{1}, complete grinding.
Further, it is determined that different grinding stage medium plain emery wheels reach the Grinding Cycle Command number of abrasion(wherein, N is maximum integer, and G passes through technique according to grinding wheel and workpiece to be machined material for grinding ratio
Test determination, v_{Grinding wheel}For abrasion of grinding wheel amount, D=D_{min}、D_{1}、D_{2}、D_{3}, a_{p}Correspond to the cuttingin in process segment), in abrasion of grinding wheel
It is modified afterwards, and by crushing amount b compensation to lathe X into feeding coordinate.
Compared with the prior art, the invention has the following advantages that
(1) big aspect ratio hole measurement of the invention grinding integral processing method is able to achieve, and stylus is utilized in grinding process
It is automatically performed inside diameter measurement at each section of workpiece, avoids manual measurement in traditional grinding, the labour for alleviating worker is strong
Degree, while also ensuring inside diameter measurement precision, to reduce rejection rate, the consistency of inner hole of workpiece precision is improved, improves and adds
Work efficiency rate.
(2) big aspect ratio hole measurement of the invention grinding integral processing method is able to achieve, true according to inside diameter measurement result
Determine workpiece locating process segment at present, selects suitable technological parameter to carry out grinding, improve processing efficiency, realize survey
The automation processing of amount grinding one；Meanwhile operation of the present invention is simple, reduces the technical requirements to operator.
Detailed description of the invention
Fig. 1 is measurementprocess integration numerical control deephole grinding machine schematic diagram of the embodiment of the present invention.
Fig. 2 is that the big aspect ratio hole of the embodiment of the present invention is ground flow chart.
In figure: 1 lathe bed, 2Z axis workbench, 3 workpiece, 4 grinding wheels, 5 centre frames, 6 dressers, 7 mill bars, the work of 8X axis
Platform, 9 measuring staffs, 10 styluses, 11 stylus bulb a, 12 stylus bulb b, 13 scroll chucks, 14 spindle boxes, 15 motors.
Specific embodiment
It in order to illustrate the embodiments of the present invention more clearly or scheme in the prior art, below will be to embodiment or existing skill
Attached drawing needed in art description is made simply to introduce, it should be apparent that, the accompanying drawings in the following description is of the invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
A kind of big aspect ratio hole measurement grinding integral processing method, based on measurement as shown in Figure 1process integration number
It controls deephole grinding machine and realizes that the grinding machine includes lathe bed 1, Z axis workbench 2, centre frame 5, dresser 6, mill bar 7, Xaxis workbench
8, measuring staff 9, stylus 10, stylus bulb a11, stylus bulb b12, scroll chuck 13, spindle box 14, motor 15.The Xaxis work
Make platform 8, Z axis workbench 2 is set on lathe bed 1, and can on lathe bed 1 along the x axis, Zdirection it is mobile, 7 one end of mill bar is logical
It crosses tensioner to be fixedly clamped on Xaxis workbench 8, the other end is connect with grinding wheel 4, and 9 one end of measuring staff is fixedly clamped by tensioner
On Xaxis workbench 8, the other end is connect with stylus 10.Workpiece 3 is mounted on Z axis workbench 2,3 one end of workpiece and threejaw card
Disk 13 connects, and scroll chuck 13 is connect by spindle box 14 with motor 15, and 3 other end of workpiece is supported by centre frame 5.
A kind of big aspect ratio hole measurement grinding integral processing method, as shown in Figure 2, comprising the following steps:
S1, lathe is opened, workpiece 3 and grinding wheel 4 is installed, confirm that lathe working condition and processing program are normal；
S2, control machine Zaxis workbench 2 are fast moved to Zdirection security bit coordinate Z_{1}=Z_{0} 180, wherein Z_{0}For grinding wheel 4
When right side and 3 left end face contact of workpiece, machine Zaxis raster coordinate value, i.e. Z_{0}For workpiece 3Z directional null；
S3, control lathe Xaxis workbench 8 are fast moved to X to security bit coordinate X_{0}, X_{0}For 3 centre of gyration of workpiece and mill bar
When 7 axis are overlapped, lathe Xaxis raster coordinate value；
S4, inside diameter measurement: control lathe Xaxis workbench 8 and Z axis workbench 2 are mobile, and it is each to measure workpiece 3 using stylus 10
Aperture at section, and record at corresponding aperture X of the stylus bulb in lathe coordinate system to Zdirection coordinate, take in institute's gaging hole diameter
Minimum value D_{min}And its coordinate (X of the corresponding position stylus bulb in lathe coordinate system_{2},Z_{2})；
S5, grinding wheel are to knife: at 3 aperture smallest crosssectional of workpiece, being closed according to the relative position between grinding wheel 4 and stylus bulb
System completes 4 quick tool setting of grinding wheel using sound emission, and record at this time X of the grinding wheel 4 in lathe coordinate system to the coordinate with Zdirection
It is worth (X_{3},Z_{3}), and control lathe Xaxis workbench 8 and Z axis workbench 2 is fast moved to X to security bit X_{0}With Zdirection security bit Z_{1}；
S6, judge machining allowance δ_{0}=D_{0}+EID_{min}Whether > 0.5mm is true, is, executes step S7, no, executes step
S11, wherein D_{0}For 3 nominal pore size of workpiece, EI is the lower deviation in aperture；
S7, starting work spindle motor 15 drive workpiece 3 to rotate to working speed by scroll chuck 13, while starting sand
Main shaft is taken turns to working speed, using roughing parameter, Xs as described below is the maximum flexibility allowed when mill bar 7 is used safely
Amount, it is Xa that control lathe Xaxis workbench 8, which applies 7 precompressed amount of mill bar,_{p0}, 2/3Xs < Xa_{p0}≤Xs；
S8, control lathe Xaxis workbench 8 feed cuttingin a_{p}, 20 μm of < a_{p}≤ 30 μm, Z axis workbench 2 is with reciprocating speed f_{a}
Move to Zdirection coordinate Z_{0}+Δb_{2}, then control lathe Xaxis workbench 8 and feed cuttingin a_{p}, 20 μm of < a_{p}≤ 30 μm, Z axis workbench
2 with reciprocating speed f_{a}Move to Zdirection coordinate Z_{0}+L+Δb_{1}, record roughing stage Grinding Cycle Command frequency n_{1}, wherein L is workpiece 3
Interior hole length, 0≤Δ b_{1}≤ 1/2B, 1/2B≤Δ b_{2}≤ B, B are 4 width of grinding wheel, 100mm/min≤f_{a}≤200mm/min；
S9, judgementIt is whether true, it is to execute step S10, it is no, step S8 is executed, wherein N_{1}=1,2,3 ...,
Specific value is according to the 7 precompressed amount Xa of mill bar in roughing stage_{p0}, cuttingin a_{p}And machining allowance δ_{0}It determines；
S10, each crosssectional aperture of workpiece 3 is measured using stylus, minimumvalue aperture will be measured and be denoted as D_{1}；
S11, judge machining allowance 0.1mm < δ_{1}=D_{0}+EID_{1}Whether≤0.5mm is true, is, executes step S12, no,
Execute step S8；
S12, using semifinishing parameter, control lathe Xaxis workbench 8 and apply 7 precompressed amount Xa of mill bar_{p0}, 1/3Xs < Xa_{p0}
≤2/3Xs；
S13, control lathe Xaxis workbench 8 feed cuttingin a_{p}, 10 μm of < a_{p}≤ 20 μm, Z axis workbench 2 is with reciprocating speed f_{a}
In Zdirection coordinate Z_{0}+Δb_{2}, then control lathe Xaxis workbench 8 and feed cuttingin a_{p}, 10 μm of < a_{p}≤ 20 μm, Z axis workbench 2 with
Reciprocating speed f_{a}Move to Zdirection coordinate Z_{0}+L+Δb_{1}, record semifinishing stage Grinding Cycle Command frequency n_{2}；
S14, judgementIt is whether true, it is to execute step S15, it is no, step S13 is executed, wherein N_{2}=1,2,3 ...,
Specific value is according to the 7 precompressed amount Xa of mill bar in semifinishing stage_{p0}, cuttingin a_{p}And machining allowance δ_{1}It determines；
S15, each crosssectional aperture of workpiece 3 is measured using stylus 10, minimumvalue aperture will be measured and be denoted as D_{2}；
S16, judge machining allowance 0.01mm < δ_{2}=D_{0}+EID_{2}Whether≤0.1mm is true, is, executes step S17, no,
Execute step S13；
S17, using finishing parameter, control lathe Xaxis workbench 8 apply 7 precompressed amount Xa of mill bar_{p0}, 1/4Xs < Xa_{p0}≤
1/3Xs；
S18, control lathe Xaxis workbench 8 feed cuttingin a_{p}, 2 μm of < a_{p}≤ 10 μm, Z axis workbench 2 is with reciprocating speed f_{a}
In Zdirection coordinate Z_{0}+Δb_{2}, then control lathe Xaxis workbench 8 and feed cuttingin a_{p}, 2 μm of < a_{p}≤ 10 μm, Z axis workbench 2 is previous
Complex velocity f_{a}Move to Zdirection coordinate Z_{0}+L+Δb_{1}；
S19, each crosssectional aperture of workpiece 3 is measured using stylus 10, minimumvalue aperture will be measured and be denoted as D_{3}；
S20, judge machining allowance δ_{3}=D_{0}+EID_{3}Whether≤0.01mm is true, is, executes step S21, no, executes step
Rapid S18；
S21, using final stage machined parameters, control lathe Xaxis workbench 8 and apply 7 precompressed amount Xa of mill bar_{p0}, 0≤Xa_{p0}
≤1/4Xs；
S22, control lathe Xaxis workbench 8 feed cuttingin a_{p}, 0 < a_{p}≤ 2 μm, Z axis workbench 2 is with reciprocating speed f_{a}In Z
To coordinate Z_{0}+Δb_{2}, then control lathe Xaxis workbench 8 and feed cuttingin a_{p}, 0 < a_{p}≤ 2 μm, Z axis workbench 2 is with reciprocating speed
f_{a}Move to Zdirection coordinate Z_{0}+L+Δb_{1}；
S23, each crosssectional aperture of workpiece 3 is measured using stylus 10, minimumvalue aperture will be measured and be denoted as D_{4}；
S24, judge D_{0}+EI≤D_{4}≤D_{0}Whether+ES is true, is, executes step S25, no, executes step S22；
S25, control lathe Xaxis workbench 8 are fast moved to X to security bit X_{0}, Z axis workbench 2, which is fast moved to Zdirection, pacifies
Full position Z_{1}, complete grinding.
The specific method and China Patent No. of 4 quick tool setting of grinding wheel are completed in the step S5 using sound emission
Method described in CN201710047333.3 is identical, specifically: corresponding stylus bulb b12 at section is surveyed according to institute's aperture minimum
Coordinate (X in bed coordinate system_{2},Z_{2}) and stylus bulb b12 and grinding wheel 4 between X the mesh of grinding wheel is determined to, Zdirection relative positional relationship
The coordinate (containing X to, Zdirection safe clearance) of tool setting position is marked, the Xaxis workbench 8 and Z axis workbench 2 for controlling lathe keep grinding wheel 4 fast
Speed is moved to target tool setting position, switches to slow movement, and by fluid acoustic emission sensor monitor grinding wheel 4 and workpiece 3 it
Between contact condition, when grinding wheel 4 and workpiece 3 contact, the friction of grinding wheel 4 and workpiece 3 and the removal of 3 material of workpiece generate transient state
Elastic wave, that is, acoustic emission signal detects acoustic emission signal when grinding wheel 4 is contacted with workpiece 3 by fluid acoustic emission sensor, complete
At the accurate to knife of grinding wheel 4 and workpiece 3, and record at this time X of the grinding wheel 4 in lathe coordinate system to the coordinate value (X with Zdirection_{3},
Z_{3})。
In addition, in addition, determining that different grinding stage medium plain emery wheels 4 reach the Grinding Cycle Command number of abrasion(wherein, N is maximum integer, and G passes through work according to grinding wheel 4 and 3 material of workpiece to be machined for grinding ratio
Skill test determination, v_{Grinding wheel}For 4 abrasion loss of grinding wheel, D=D_{min}、D_{1}、D_{2}、D_{3}, a_{p}Correspond to the cuttingin in process segment), in grinding wheel 4
It is modified after abrasion, and by 4 trim amount b of grinding wheel compensation to lathe X into feeding coordinate.
Embodiment 1
S1, lathe is opened, workpiece 3 and grinding wheel 4 is separately mounted to Z axis workbench 2, in mill bar 7, confirmation lathe works shape
State and processing program are normal.
S2, control machine Zaxis workbench 2 are fast moved to Zdirection security bit coordinate Z_{1}=Z_{0} 180, wherein Z_{0}For grinding wheel 4
When right side and 3 left end face contact of workpiece, machine Zaxis raster coordinate value, i.e. Z_{0}For workpiece 3Z directional null.
S3, control lathe Xaxis workbench 8 are fast moved to X to security bit coordinate X_{0}, X_{0}For 3 centre of gyration of workpiece and mill bar
When 7 axis are overlapped, lathe Xaxis raster coordinate value.
S4, inside diameter measurement: control lathe Xaxis workbench 8 and Z axis workbench 2 are mobile, and it is each to measure workpiece 3 using stylus 10
Aperture at section, and record at corresponding aperture X of the stylus bulb b12 in lathe coordinate system to Zdirection coordinate, take institute's gaging hole
Minimum value D in diameter_{min}And its coordinate (X of the corresponding position stylus bulb b12 in lathe coordinate system_{2},Z_{2})。
S5, grinding wheel are to knife: at 3 aperture smallest crosssectional of workpiece, according to the opposite position between grinding wheel 4 and stylus bulb b12
Set relationship, using sound emission complete 4 quick tool setting of grinding wheel, and record at this time X of the grinding wheel 4 in lathe coordinate system to Zdirection
Coordinate value (X_{3},Z_{3}), and control lathe Xaxis workbench 8 and Z axis workbench 2 is fast moved to X to security bit X_{0}With Zdirection security bit
Z_{1}。
S6, judge machining allowance δ_{0}=D_{0}+EID_{min}Whether > 0.5mm is true, is, executes step S7, no, executes step
S11, wherein D_{0}For 3 nominal pore size of workpiece, EI is the lower deviation in aperture.
S7, starting work spindle motor 15 drive workpiece 3 to rotate to working speed by scroll chuck 13, while starting sand
Main shaft is taken turns to working speed, using roughing parameter, its maximum allowable bending deformation quantity of the embodiment mill bar is 0.7mm, control
Lathe Xaxis workbench 8 applies 7 precompressed amount Xa of mill bar_{p0}, precompressed amount Xa at this time_{p0}=0.65mm.
S8, control lathe Xaxis workbench 8 feed cuttingin a_{p}=30 μm, Z axis workbench 2 is with reciprocating speed f_{a}=160mm/
Min moves to Zdirection coordinate Z_{0}+Δb_{2}, then control lathe Xaxis workbench 8 and feed cuttingin a_{p}=30 μm, Z axis workbench 2 is previous
Complex velocity f_{a}=160mm/min moves to Zdirection coordinate Z_{0}+L+Δb_{1}, record roughing stage Grinding Cycle Command frequency n_{1}, wherein L
For hole length in workpiece 3, Δ b_{1}=Δ b_{2}=1/2B, B are 4 width of grinding wheel.
S9, judgementIt is whether true, it is to execute step S10, it is no, step S8 is executed, wherein N_{1}=4.
S10, each crosssectional aperture of workpiece 3 is measured using stylus 10, minimumvalue aperture will be measured and be denoted as D_{1}。
S11, judge machining allowance 0.1mm < δ_{1}=D_{0}+EID_{1}Whether≤0.5mm is true, is, executes step S12, no,
Execute step S8.
S12, using semifinishing parameter, control lathe Xaxis workbench 8 and apply 7 precompressed amount Xa of mill bar_{p0}, precompressed amount at this time
Xa_{p0}=0.4mm.
S13, control lathe Xaxis workbench 8 feed cuttingin a_{p}=20 μm, Z axis workbench 2 is with reciprocating speed f_{a}=160mm/
Min is in Zdirection coordinate Z_{0}+Δb_{2}, then control lathe Xaxis workbench 8 and feed cuttingin a_{p}=20 μm, the previous complexvelocity of Z axis workbench 2
Spend f_{a}=160mm/min moves to Zdirection coordinate Z_{0}+L+Δb_{1}, record semifinishing stage Grinding Cycle Command frequency n_{2}。
S14, judgementIt is whether true, it is to execute step S15, it is no, step S13 is executed, wherein N_{2}=2.
S15, each crosssectional aperture of workpiece 3 is measured using stylus 10, minimumvalue aperture will be measured and be denoted as D_{2}。
S16, judge machining allowance 0.01mm < δ_{2}=D_{0}+EID_{2}Whether≤0.1mm is true, is, executes step S17, no,
Execute step S13.
S17, using finishing parameter, control lathe Xaxis workbench 8 apply 7 precompressed amount Xa of mill bar_{p0}, precompressed amount at this time
Xa_{p0}=0.2mm.
S18, control lathe Xaxis workbench 8 feed cuttingin a_{p}=8 μm, Z axis workbench 2 is with reciprocating speed f_{a}=160mm/
Min is in Zdirection coordinate Z_{0}+Δb_{2}, then control lathe Xaxis workbench 8 and feed cuttingin a_{p}=8 μm, Z axis workbench 2 is with reciprocating speed
f_{a}=160mm/min moves to Zdirection coordinate Z_{0}+L+Δb_{1}。
S19, each crosssectional aperture of workpiece 3 is measured using stylus 10, minimumvalue aperture will be measured and be denoted as D_{3}。
S20, judge machining allowance δ_{3}=D_{0}+EID_{3}Whether≤0.01mm is true, is, executes step S21, no, executes step
Rapid S18.
S21, using final stage machined parameters, control lathe Xaxis workbench 8 and apply 7 precompressed amount Xa of mill bar_{p0}, at this time in advance
Pressure amount Xa_{p0}=0.15mm.
S22, control lathe Xaxis workbench 8 feed cuttingin a_{p}=2 μm, Z axis workbench 2 is with reciprocating speed f_{a}=160mm/
Min is in Zdirection coordinate Z_{0}+Δb_{2}, then control lathe Xaxis workbench 8 and feed cuttingin a_{p}=2 μm, Z axis workbench 2 is with reciprocating speed
f_{a}=160mm/min moves to Zdirection coordinate Z_{0}+L+Δb_{1}。
S23, each crosssectional aperture of workpiece 3 is measured using stylus 10, minimumvalue aperture will be measured and be denoted as D_{4}。
S24, judge D_{0}+EI≤D_{4}≤D_{0}Whether+ES is true, is, executes step S25, no, executes step S22.
S25, control lathe Xaxis workbench 8 are fast moved to X to security bit X_{0}, Z axis workbench 2, which is fast moved to Zdirection, pacifies
Full position Z_{1}, complete grinding.
Roughing stage grinding wheel is back and forth groundAfter secondary (wherein, N takes maximum integer), carry out
Crushing；Semifinishing stage grinding wheel is back and forth groundAfter secondary (wherein, N takes maximum integer), into
Row crushing；Finishing stage grinding wheel is back and forth groundAfter secondary (wherein, N takes maximum integer), carry out
Crushing；Last process segment grinding wheel is back and forth groundAfter secondary (wherein, N takes maximum integer), carry out
Crushing, and by each stage crushing amount compensation to lathe X into feeding coordinate.
Embodiment 2
S1, lathe is opened, workpiece 3 and grinding wheel 4 is separately mounted to Z axis workbench 2, in mill bar 7, confirmation lathe works shape
State and processing program are normal.
S2, control machine Zaxis workbench 2 are fast moved to Zdirection security bit coordinate Z_{1}=Z_{0} 180, wherein Z_{0}For grinding wheel 4
When right side and 3 left end face contact of workpiece, machine Zaxis raster coordinate value, i.e. Z_{0}For workpiece 3Z directional null.
S3, control lathe Xaxis workbench 8 are fast moved to X to security bit coordinate X_{0}, X_{0}For 3 centre of gyration of workpiece and mill bar
When 7 axis are overlapped, lathe Xaxis raster coordinate value.
S4, inside diameter measurement: control lathe Xaxis workbench 8 and Z axis workbench 2 are mobile, and it is each to measure workpiece 3 using stylus 10
Aperture at section, and record at corresponding aperture X of the stylus bulb b12 in lathe coordinate system to Zdirection coordinate, take institute's gaging hole
Minimum value D in diameter_{min}And its coordinate (X of the corresponding position stylus bulb b12 in lathe coordinate system_{2},Z_{2})。
S5, grinding wheel are to knife: at 3 aperture smallest crosssectional of workpiece, according to the opposite position between grinding wheel 4 and stylus bulb b12
Set relationship, using sound emission complete 4 quick tool setting of grinding wheel, and record at this time X of the grinding wheel 4 in lathe coordinate system to Zdirection
Coordinate value (X_{3},Z_{3}), and control lathe Xaxis workbench 8 and Z axis workbench 2 is fast moved to X to security bit X_{0}With Zdirection security bit
Z_{1}。
S6, judge machining allowance δ_{0}=D_{0}+EID_{min}Whether > 0.5mm is true, is, executes step S7, no, executes step
S11, wherein D_{0}For 3 nominal pore size of workpiece, EI is the lower deviation in aperture.
S7, starting work spindle motor 15 drive workpiece 3 to rotate to working speed by scroll chuck 13, while starting sand
Main shaft is taken turns to working speed, using roughing parameter, its maximum allowable bending deformation quantity of the embodiment mill bar is 0.7mm, control
Lathe Xaxis workbench 8 applies 7 precompressed amount Xa of mill bar_{p0}, precompressed amount Xa at this time_{p0}=0.5mm.
S8, control lathe Xaxis workbench 8 feed cuttingin a_{p}=20 μm, Z axis workbench 2 is with reciprocating speed f_{a}=160mm/
Min moves to Zdirection coordinate Z_{0}+Δb_{2}, then control lathe Xaxis workbench 8 and feed cuttingin a_{p}=23 μm, Z axis workbench 2 is previous
Complex velocity f_{a}=160mm/min moves to Zdirection coordinate Z_{0}+L+Δb_{1}, record roughing stage Grinding Cycle Command frequency n_{1}, wherein L
For hole length in workpiece 3, Δ b_{1}=1/5B, Δ b_{2}=B, B are 4 width of grinding wheel.
S9, judgementIt is whether true, it is to execute step S10, it is no, step S8 is executed, wherein N_{1}=6.
S10, each crosssectional aperture of workpiece 3 is measured using stylus 10, minimumvalue aperture will be measured and be denoted as D_{1}。
S11, judge machining allowance 0.1mm < δ_{1}=D_{0}+EID_{1}Whether≤0.5mm is true, is, executes step S12, no,
Execute step S8.
S12, using semifinishing parameter, control lathe Xaxis workbench 8 and apply 7 precompressed amount Xa of mill bar_{p0}, precompressed amount at this time
Xa_{p0}=0.25mm.
S13, control lathe Xaxis workbench 8 feed cuttingin a_{p}=12 μm, Z axis workbench 2 is with reciprocating speed f_{a}=160mm/
Min is in Zdirection coordinate Z_{0}+Δb_{2}, then control lathe Xaxis workbench 8 and feed cuttingin a_{p}=12 μm, the previous complexvelocity of Z axis workbench 2
Spend f_{a}=160mm/min moves to Zdirection coordinate Z_{0}+L+Δb_{1}, record semifinishing stage Grinding Cycle Command frequency n_{2}。
S14, judgementIt is whether true, it is to execute step S15, it is no, step S13 is executed, wherein N_{2}=3.
S15, each crosssectional aperture of workpiece 3 is measured using stylus 10, minimumvalue aperture will be measured and be denoted as D_{2}。
S16, judge machining allowance 0.01mm < δ_{2}=D_{0}+EID_{2}Whether≤0.1mm is true, is, executes step S17, no,
Execute step S13.
S17, using finishing parameter, control lathe Xaxis workbench 8 apply 7 precompressed amount Xa of mill bar_{p0}, precompressed amount at this time
Xa_{p0}=0.18mm.
S18, control lathe Xaxis workbench 8 feed cuttingin a_{p}=4 μm, Z axis workbench 2 is with reciprocating speed f_{a}=160mm/
Min is in Zdirection coordinate Z_{0}+Δb_{2}, then control lathe Xaxis workbench 8 and feed cuttingin a_{p}=4 μm, Z axis workbench 2 is with reciprocating speed
f_{a}=160mm/min moves to Zdirection coordinate Z_{0}+L+Δb_{1}。
S19, each crosssectional aperture of workpiece 3 is measured using stylus 10, minimumvalue aperture will be measured and be denoted as D_{3}。
S20, judge machining allowance δ_{3}=D_{0}+EID_{3}Whether≤0.01mm is true, is, executes step S21, no, executes step
Rapid S18.
S21, using final stage machined parameters, control lathe Xaxis workbench 8 and apply 7 precompressed amount Xa of mill bar_{p0}, at this time in advance
Pressure amount Xa_{p0}=0.08mm.
S22, control lathe Xaxis workbench 8 feed cuttingin a_{p}=1 μm, Z axis workbench 2 is with reciprocating speed f_{a}=160mm/
Min is in Zdirection coordinate Z_{0}+Δb_{2}, then control lathe Xaxis workbench 8 and feed cuttingin a_{p}=1 μm, Z axis workbench 2 is with reciprocating speed
f_{a}=160mm/min moves to Zdirection coordinate Z_{0}+L+Δb_{1}。
S23, each crosssectional aperture of workpiece 3 is measured using stylus 10, minimumvalue aperture will be measured and be denoted as D_{4}。
S24, judge D_{0}+EI≤D_{4}≤D_{0}Whether+ES is true, is, executes step S25, no, executes step S22.
S25, control lathe Xaxis workbench 8 are fast moved to X to security bit X_{0}, Z axis workbench 2, which is fast moved to Zdirection, pacifies
Full position Z_{1}, complete grinding.
Roughing stage grinding wheel is back and forth groundAfter secondary (wherein, N takes maximum integer), carry out
Crushing；Semifinishing stage grinding wheel is back and forth groundAfter secondary (wherein, N takes maximum integer), carry out
Crushing；Finishing stage grinding wheel is back and forth groundAfter secondary (wherein, N takes maximum integer), sand is carried out
Wheel finishing；Last process segment grinding wheel is back and forth groundAfter secondary (wherein, N takes maximum integer), sand is carried out
Wheel finishing, and by each stage crushing amount compensation to lathe X into feeding coordinate.
The present invention is not limited to the present embodiment, anyone skilled in the art the invention discloses technology
In range, it is subject to equivalent substitution or change according to the technical scheme of the invention and its inventive conception, is encompassed by guarantor of the invention
Within the scope of shield.
Claims (2)
1. a kind of big aspect ratio hole measurement is ground integral processing method, which is characterized in that the processing method includes following
Step:
S1, lathe is opened, workpiece and grinding wheel is installed, confirm that lathe working condition and processing program are normal；
S2, control machine Zaxis workbench are fast moved to Zdirection security bit coordinate Z_{1}=Z_{0} 180, wherein Z_{0}For grinding wheel right side
When with workpiece left end face contact, machine Zaxis raster coordinate value, i.e. Z_{0}For workpiece Zdirection zero point；
S3, control lathe Xaxis workbench are fast moved to X to security bit coordinate X_{0}, X_{0}For the workpiece centre of gyration and mill bar axis weight
When conjunction, lathe Xaxis raster coordinate value；
S4, inside diameter measurement: control lathe Xaxis workbench and Z axis movable workbench use hole at stylus measurement each section of workpiece
Diameter, and record at corresponding aperture X of the stylus bulb in lathe coordinate system to Zdirection coordinate, take minimum value in institute's gaging hole diameter
D_{min}And its coordinate (X of the corresponding position stylus bulb in lathe coordinate system_{2},Z_{2})；
S5, grinding wheel are to knife: at the smallest crosssectional of workpiece aperture, according to the relative positional relationship between grinding wheel and stylus bulb, benefit
Complete grinding wheel quick tool setting with sound emission, and record at this time X of the grinding wheel in lathe coordinate system to the coordinate value (X with Zdirection_{3},
Z_{3}), and control lathe Xaxis workbench and Z axis workbench is fast moved to X to security bit X_{0}With Zdirection security bit Z_{1}；
S6, judge machining allowance δ_{0}=D_{0}+EID_{min}Whether > 0.5mm is true, is, executes step S7, no, executes step S11,
Wherein D_{0}For workpiece nominal pore size, EI is the lower deviation in aperture；
S7, starting work spindle motor start grinding wheel spindle extremely by scroll chuck drive workpiece rotation to working speed
Working speed, using roughing parameter, Xs as described below is the maximum flexibility amount allowed when mill bar is used safely, controls machine
It is Xa that bed Xaxis workbench, which applies mill bar precompressed amount,_{p0}, 2/3Xs < Xa_{p0}≤Xs；
S8, control lathe Xaxis table feed cuttingin a_{p}, 20 μm of < a_{p}≤ 30 μm, Z axis workbench is with reciprocating speed f_{a}Move to Z
To coordinate Z_{0}+Δb_{2}, then control lathe Xaxis table feed cuttingin a_{p}, 20 μm of < a_{p}≤ 30 μm, the previous complexvelocity of Z axis workbench
Spend f_{a}Move to Zdirection coordinate Z_{0}+L+Δb_{1}, record roughing stage Grinding Cycle Command frequency n_{1}, wherein L be inner hole of workpiece length, 0
≤Δb_{1}≤ 1/2B, 1/2B≤Δ b_{2}≤ B, B are grinding wheel width, 100mm/min≤f_{a}≤200mm/min；
S9、It is to execute step S10, it is no, step S8 is executed, wherein N_{1}=1,2,3 ..., specifically
Value is according to the mill bar precompressed amount Xa in roughing stage_{p0}, cuttingin a_{p}And machining allowance δ_{0}It determines；
S10, each crosssectional aperture of workpiece is measured using stylus, minimumvalue aperture will be measured and be denoted as D_{1}；
S11, judge machining allowance 0.1mm < δ_{1}=D_{0}+EID_{1}Whether≤0.5mm is true, is, executes step S12, no, executes
Step S8；
S12, using semifinishing parameter, control lathe Xaxis workbench and apply mill bar precompressed amount Xa_{p0}, 1/3Xs < Xa_{p0}≤2/
3Xs；
S13, control lathe Xaxis table feed cuttingin a_{p}, 10 μm of < a_{p}≤ 20 μm, Z axis workbench is with reciprocating speed f_{a}In Zdirection
Coordinate Z_{0}+Δb_{2}, then control lathe Xaxis table feed cuttingin a_{p}, 10 μm of < a_{p}≤ 20 μm, Z axis workbench is with reciprocating speed
f_{a}Move to Zdirection coordinate Z_{0}+L+Δb_{1}, record semifinishing stage Grinding Cycle Command frequency n_{2}；
S14, judgementIt is to execute step S15, it is no, step S13 is executed, wherein N_{2}=1,2,3 ..., specifically
Value is according to the mill bar precompressed amount Xa in semifinishing stage_{p0}, cuttingin a_{p}And machining allowance δ_{1}It determines；
S15, each crosssectional aperture of workpiece is measured using stylus, minimumvalue aperture will be measured and be denoted as D_{2}；
S16, judge machining allowance 0.01mm < δ_{2}=D_{0}+EID_{2}Whether≤0.1mm is true, is, executes step S17, no, executes
Step S13；
S17, using finishing parameter, control lathe Xaxis workbench apply mill bar precompressed amount Xa_{p0}, 1/4Xs < Xa_{p0}≤1/3Xs；
S18, control lathe Xaxis table feed cuttingin a_{p}, 2 μm of < a_{p}≤ 10 μm, Z axis workbench is with reciprocating speed f_{a}It is sat in Zdirection
Mark Z_{0}+Δb_{2}, then control lathe Xaxis table feed cuttingin a_{p}, 2 μm of < a_{p}≤ 10 μm, Z axis workbench is with reciprocating speed f_{a}Fortune
It moves to Zdirection coordinate Z_{0}+L+Δb_{1}；
S19, each crosssectional aperture of workpiece is measured using stylus, minimumvalue aperture will be measured and be denoted as D_{3}；
S20, judge machining allowance δ_{3}=D_{0}+EID_{3}Whether≤0.01mm is true, is, executes step S21, no, executes step
S18；
S21, using final stage machined parameters, control lathe Xaxis workbench and apply mill bar precompressed amount Xa_{p0}, 0≤Xa_{p0}≤1/
4Xs；
S22, control lathe Xaxis table feed cuttingin a_{p}, 0 < a_{p}≤ 2 μm, Z axis workbench is with reciprocating speed f_{a}In Zdirection coordinate Z_{0}
+Δb_{2}, then control lathe Xaxis table feed cuttingin a_{p}, 0 < a_{p}≤ 2 μm, Z axis workbench is with reciprocating speed f_{a}Move to Z
To coordinate Z_{0}+L+Δb_{1}；
S23, each crosssectional aperture of workpiece is measured using stylus, minimumvalue aperture will be measured and be denoted as D_{4}；
S24, judge D_{0}+EI≤D_{4}≤D_{0}Whether+ES is true, is, executes step S25, no, executes step S22；
S25, control lathe Xaxis workbench are fast moved to X to security bit X_{0}, Z axis workbench fast moves to Zdirection security bit Z_{1},
Complete grinding.
2. a kind of big aspect ratio hole measurement according to claim 1 is ground integral processing method, which is characterized in that determine
Different grinding stage medium plain emery wheels reach the Grinding Cycle Command number of abrasionWherein, N is maximum whole
Number, G are that grinding ratio is determined according to grinding wheel and workpiece to be machined material by engineer testing, v_{Grinding wheel}For abrasion of grinding wheel amount, D=D_{min}、
D_{1}、D_{2}、D_{3}, a_{p}Correspond to the cuttingin in process segment；It is modified after abrasion of grinding wheel, and crushing amount b is compensated
To lathe X into feeding coordinate.
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CN111716249A (en) *  20200629  20200929  西安精雕精密机械工程有限公司  Intelligent adjustment measuring structure and method for machining path 
CN112809479A (en) *  20210118  20210518  广东钶锐锶数控技术有限公司  Grinding machining method and machining device 
CN113290461A (en) *  20210622  20210824  成都爱乐达航空制造股份有限公司  Machining method for grinding highstrength aviation part by using numerical control machining center 
CN114750042A (en) *  20220324  20220715  大连理工大学  Tool setting method for measuring grinding multistation device 
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CN206066100U (en) *  20160827  20170405  无锡市明鑫数控磨床有限公司  Numerical control deep hole internal grinder measurement monitoring process integration device and control system 
CN108000245A (en) *  20171130  20180508  东莞长盈精密技术有限公司  Hole polishing turneddown edge means of defence 
CN108747608A (en) *  20180621  20181106  上海中船三井造船柴油机有限公司  The polishing process and special grinding equipment of marine low speed diesel engine connecting rod deep hole 

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SU856756A1 (en) *  19800108  19810823  Ждановский Филиал Специального ПроектноКонструкторского Бюро Медицинской Промышленности  Hole working method 
CN206066100U (en) *  20160827  20170405  无锡市明鑫数控磨床有限公司  Numerical control deep hole internal grinder measurement monitoring process integration device and control system 
CN108000245A (en) *  20171130  20180508  东莞长盈精密技术有限公司  Hole polishing turneddown edge means of defence 
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Cited By (4)
Publication number  Priority date  Publication date  Assignee  Title 

CN111716249A (en) *  20200629  20200929  西安精雕精密机械工程有限公司  Intelligent adjustment measuring structure and method for machining path 
CN112809479A (en) *  20210118  20210518  广东钶锐锶数控技术有限公司  Grinding machining method and machining device 
CN113290461A (en) *  20210622  20210824  成都爱乐达航空制造股份有限公司  Machining method for grinding highstrength aviation part by using numerical control machining center 
CN114750042A (en) *  20220324  20220715  大连理工大学  Tool setting method for measuring grinding multistation device 
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