CN109531274A - The Z-direction datum plane of vertical knee-type milling machine detects and setting method - Google Patents
The Z-direction datum plane of vertical knee-type milling machine detects and setting method Download PDFInfo
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- CN109531274A CN109531274A CN201811278317.6A CN201811278317A CN109531274A CN 109531274 A CN109531274 A CN 109531274A CN 201811278317 A CN201811278317 A CN 201811278317A CN 109531274 A CN109531274 A CN 109531274A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/22—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
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Abstract
The invention discloses the detection of the Z-direction datum plane of vertical knee-type milling machine and setting methods, centering benchmark processing plane and calibration are carried out using probe, according to part blank size before measurement, position determines plane profile in tooling, to position facial contour as boundary, according to part positioning surface position, several sampled points are chosen as sampling position, meeting in the margin of tolerance, take position of the average value of sample point Z value as Z-direction datum plane, it is slow that the initial origin speed of Cutter coordinate system Z-direction is manually set in effective solution of the present invention NC Machining Process, poor reliability, the low problem of precision.
Description
Technical field
The present invention relates to Computerized Numerical Control processing technology fields, are the detection of Z-direction datum plane and setting of vertical knee-type milling machine specifically
Method.
Background technique
Mechanical manufacturing technology generally follows " positioning-processing " operation mode, according to this mode, how according to design and work
Skill
It is required that realizing the accurate positioning of workpiece to be machined, and establishes corresponding Cutter coordinate system and become process the most
Important process content, when establishing Cutter coordinate system, the centering of Z-direction datum plane and setting are the step of primarily progress.At this stage,
For
For vertical machine, artificial centering mode is most common mode, and when centering, operator is existed using standard feeler block
The position of the face Z0 benchmark is manually found out on lathe to knife, related data is then input to number by lathe computing function or manually
In control system, setting workpiece coordinate system.
In batch machining, check that setting process constantly repeats, operator usually carries out Z-direction by the way of random inspection
Thus the inspection and setting of initial plane may bring the not found consequence of wrong clamping for workpiece of not sampling, cause workpiece super
The generation that difference is scrapped.
The part that numerical control processing mode manufactures is mostly complex-shaped, technique requirement is high, material expensive is, due to operation error
Overproof scrap of bring part brings heavy losses for enterprise.Therefore the standard of the Z-direction initial plane inspection in processing and setting
True property is particularly important.
Summary of the invention
The purpose of the present invention is to provide the invention proposes a kind of probe centering Z-direction benchmark suitable for vertical knee-type milling machine to put down
The method in face solves and is manually arranged that the initial origin speed of Cutter coordinate system Z-direction is slow, poor reliability asks in NC Machining Process
Topic.
The present invention is achieved through the following technical solutions:
The Z-direction datum plane of vertical knee-type milling machine detects and setting method, carries out centering benchmark processing plane and mark using probe
It is fixed, plane profile is determined before measurement in tooling according to part blank size, position, to position facial contour as boundary, according to zero
Part positioning surface position chooses several sampled points as sampling position, is meeting in the margin of tolerance, the average value of sample point Z value is taken to make
For the position of Z-direction datum plane.
Further, in order to preferably realize the present invention, specifically includes the following steps:
Step B: probe calibration；
Step C: according to part cat mother-in-law placement position, determining positioning plane monitoring-network region contour, in region contour range and
Several sample point P1~Pn on datum plane, Z-direction origin plane probe measurement and Z-direction origin calculate；
Step D:Z is to datum level face probe measurement；
It further, further include step A: tooling clean method in order to preferably realize the present invention；It specifically refers to: determining
Region contour is cleaned, using fan to being cleaned in cleaning region profile, is connect, is cleaned with machine tool chief axis by knife handle
When, main shaft rotation, band logical flabellum rotates to form cleaning capacity, and main shaft is moved according to the removing track of setting, and covering tooling is all
Cleaning is completed on surface.
Further, in order to preferably realize the present invention, the step B specifically includes the following steps:
Step B1: probe length scaling method；Specifically includes the following steps:
Step B111: the position to knife plane Z in lathe coordinate system is obtained, Z=0 will be set as to knife plane；
Step B112: probe is fitted into main shaft, opens probe, and probe is moved to above feeler block, pop one's head in along Z axis to
Mobile close to workbench direction, probe contacts calculate practical knife face, the automatic waste Ls for obtaining cutter according to the waste
Probe length Lt；Lt=Lt0+Ls, wherein Lt0 is the initial length of probe；
Step B2: probe diameter scaling method；It specifically refers to: feeler block identical position when ring gauge is placed on calibrated length
It sets, probe is moved to inside ring gauge close to center location, and ensure to pop one's head in and can touch ring gauge when moving along X to, Y-direction,
Height and position is located at a semi-open probe of annulus thickness, and correction radius obtains the probe radius value of X, Y-direction.
Further, in order to preferably realize the present invention, the ring gauge is the ring gauge with standard round.
Further, in order to preferably realize the present invention, the step C specifically includes the following steps:
Step C1:Z is to origin plane probe measurement；
Step C2:Z is calculated to origin.
Further, in order to preferably realize the present invention, the step C1 is specifically referred to: according to blank placement position, really
Plane monitoring-network region contour is positioned, and several sample point P1~Pn are set in detection zone profile, is taken with several
The Z-direction coordinate value of sampling point P1~Pn is distributed within the scope of part positioning surface as lathe Z-direction origin, several sample point P1~Pn；
Further, in order to preferably realize the present invention, the step C2 is specifically referred to: after being measured, being counted respectively
Calculate the difference of sample point Z-direction coordinate；
If maximum difference is more than that tolerance limits range, measurement datum is invalid, can not be used as Z-direction origin；
If maximum difference is in tolerance limitation range, measurement datum is effective, then using the average value of sample point Z value as Z
To origin.
Further, in order to preferably realize the present invention, the D the following steps are included:
Step D1:Z is to datum level measurement method；
Z-direction datum plane is directly contacted using the probe after correction, obtains position of the Z-direction plane in lathe coordinate system；
When measurement, probe is opened, gauge head is moved to above measuring surface, is moved along Z axis to close to Z-direction datum plane direction, contact obtains
Z-direction datum plane position Z0 is taken, the value Z of all sample point P1~Pn is obtainedP1......ZPn, probe is closed, measurement terminates；
Step D2: mean value Zavg=(Zp1+......+Zpn)/n of sample point Z-direction is calculated；Part Cutter coordinate system is initial
Position of the Z-direction datum plane in lathe is Z=Zavg；
Further, in order to preferably realize the present invention, when measuring the coordinate of sample point, detection track includes quickly movement
Section S1, Approach phase S2 and transfer leg S3, quick motor segment S1 gauge head are fast moved from security plane to Approach phase S2, Approach phase S2
Gradually moving contact reference sensing plane, transfer leg S3 are replacement measurement point position to probe, and probe fast moves.
Working principle:
Compared with prior art, the present invention have the following advantages that and the utility model has the advantages that
(1) present invention effectively reduces the benchmark under artificial centering mode by automatic capturing machining benchmark plane of popping one's head in and misses
Difference, and centering efficiency greatly improved, it ensure that the stability of centering process；
(2) fan automated cleaning clamping plane is used when probe centering benchmark, is particularly suitable for horizontal machine tool workbench
Cleaning can effectively inhibit since there are caused benchmark correct errors for the foreign matters such as cutting；
(3) in detection process of popping one's head in, probe open and close closed state is controlled according to actually detected needs, it is long-term to avoid probe
Influence in the open state for service life；
(4) using probe centering datum plane when, the flatness situation near part positioning surface is only checked, it is invalid to avoid
The influence that domain error uses tooling；
(5) it when probe centering datum plane, is detected using more sensing points, is had by Error subtraction scheme, solution average value
Effect avoids influence of the sample point position for datum plane centering, improves centering precision.
Detailed description of the invention
Fig. 1 is that part positioning method schematic diagram is adjusted in the present invention；
Fig. 2 is to clean area schematic in the present invention；
Fig. 3 is fan structure diagram in the present invention；
Fig. 4 is sonde configuration schematic diagram in the present invention；
Fig. 5 is flatness censored sample point schematic diagram in the present invention；
Fig. 6 is probe detection flatness route schematic diagram in the present invention；
Wherein 1- positioning tool, 2- part blank, 3- Cutter coordinate system origin, 4- clean region wheel, 5- exterior feature fan body, 6-
Flabellum, 7- probe cramping body, 8- probe, 9- detect body, 10- detection zone profile.
Specific embodiment
The embodiment of the present invention is described below in detail, in the present invention unless specifically defined or limited otherwise, term
The terms such as " installation ", " connected ", " connection ", " fixation " shall be understood in a broad sense, for example, it may be being fixedly connected, being also possible to can
Dismantling connection, or be integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also pass through
Intermediary is indirectly connected, and can be the connection inside two elements.For the ordinary skill in the art, Ke Yigen
The concrete meaning of above-mentioned term in the present invention is understood according to concrete condition.
The present invention is described in further detail below with reference to embodiment, embodiments of the present invention are not limited thereto.
Embodiment 1:
The present invention is achieved through the following technical solutions, as shown in figs 1 to 6, the detection of the Z-direction datum plane of vertical knee-type milling machine with
Setting method carries out centering benchmark processing plane and calibration using probe, according to 2 size of part blank, position in work before measurement
Determining plane profile is loaded onto, to position facial contour as boundary, according to part positioning surface position, chooses several sampled points as sampling
Position, is meeting in the margin of tolerance, is taking position of the average value of sample point Z value as Z-direction datum plane.
Further, in order to preferably realize the present invention, specifically includes the following steps:
Step B: probe calibration；
Step C: according to 2 placement position of part blank, positioning plane monitoring-network region contour 10 is determined, in detection zone profile
10 ranges and several sample point P1~Pn on datum plane, Z-direction origin plane probe measurement and Z-direction origin calculate；
Step D:Z is to datum level face probe measurement
It further, further include step A: tooling clean method in order to preferably realize the present invention；It specifically refers to: using
Dedicated fan is cleaned, and is connect by knife handle with machine tool chief axis, and when cleaning, main shaft rotation, band logical flabellum rotates to form cleaning
Ability, main shaft are moved according to the removing track of setting, are covered tooling all surface, are completed cleaning.
Further, in order to preferably realize the present invention, the step B specifically includes the following steps:
Step B1: probe length scaling method；Specifically includes the following steps:
Step B111: the position to knife plane Z in lathe coordinate system is obtained, Z=0 will be set as to knife plane；
Step B112: probe is fitted into main shaft, opens probe, and probe is moved to above feeler block, pop one's head in along Z axis to
Mobile close to workbench direction, probe contacts calculate practical knife face, the automatic waste Ls for obtaining cutter according to the waste
Probe length Lt；Lt=Lt0+Ls, wherein Lt0 is the initial length of probe；
Step B2: probe diameter scaling method；It specifically refers to: feeler block identical position when ring gauge is placed on calibrated length
It sets, probe is moved to inside ring gauge close to center location, and ensure to pop one's head in and can touch ring gauge when moving along X to, Y-direction,
Height and position is located at a semi-open probe of annulus thickness, and correction radius obtains the probe radius value of X, Y-direction.
Further, in order to preferably realize the present invention, the ring gauge is the ring gauge with standard round.
Further, in order to preferably realize the present invention, the step C specifically includes the following steps:
Step C1:Z is to origin plane probe measurement；
Step C2:Z is calculated to origin.
Further, in order to preferably realize the present invention, the step C1 is specifically referred to: if setting takes on datum plane
The Z-direction coordinate value of dry sample point P1~Pn is distributed in part positioning surface range as lathe Z-direction origin, several sample point P1~Pn
It is interior；
Further, in order to preferably realize the present invention, the step C2 is specifically referred to: after being measured, being counted respectively
Calculate the difference of sample point Z-direction coordinate；
If maximum difference is more than that tolerance limits range, measurement datum is invalid, can not be used as Z-direction origin；
If maximum difference is in tolerance limitation range, measurement datum is effective, then using the average value of sample point Z value as Z
To origin.
Further, in order to preferably realize the present invention, the D the following steps are included:
Step D1:Z is to datum level measurement method；
Z-direction datum plane is directly contacted using the probe after correction, obtains position of the Z-direction plane in lathe coordinate system；
When measurement, probe is opened, gauge head is moved to above measuring surface, is moved along Z axis to close to Z-direction datum plane direction, contact obtains
Z-direction datum plane position Z0 is taken, the value Z of all sample point P1~Pn is obtainedP1......ZPn, probe is closed, measurement terminates；
Step D2: mean value Zavg=(Zp1+......+Zpn)/n of sample point Z-direction is calculated；Part Cutter coordinate system is initial
Position of the Z-direction datum plane in lathe is Z=Zavg；
Further, in order to preferably realize the present invention, when measuring the coordinate of sample point, detection track includes quickly movement
Section S1, Approach phase S2 and transfer leg S3, quick motor segment S1 gauge head are fast moved from security plane to Approach phase S2, Approach phase S2
Gradually moving contact reference sensing plane, transfer leg S3 are replacement measurement point position to probe, and probe fast moves.
The other parts of the present embodiment are same as the previously described embodiments, and so it will not be repeated.
Embodiment 2:
The present embodiment advanced optimizes on the basis of the above embodiments, and as shown in Figure 1 and Figure 2, one kind is suitable for vertical
The Z-direction datum plane of milling machine detects and setting method, it is characterized in that using a kind of method for automatic measurement using probe detection and
The canonical measure program of nested digital control system, the probe used have position detection perceptional function, and can be by measurement feedback
To control system；The method for automatic measurement is by tooling clean method, probe length scaling method, probe diameter calibration side
Method, Z-direction plane probe measurement method composition；
The tooling clean method, is cleaned using dedicated fan, and the fan structure is similar with cutter structure, work
Position is flabellum, is connect by knife handle with machine tool chief axis, and when cleaning, main shaft rotation, band logical flabellum rotates to form cleaning capacity, main
Axis is moved according to the removing track of setting, covers tooling all surface, completes cleaning.
The probe length scaling method uses the standard components such as plug, the land-value model with full-length value as mark
Calibration cutter when calibration, is loaded onto machine tool chief axis, full-length feeler block is placed on the table, is carried out manual by stationary knife tool
Aim at tool operation obtains the position to knife plane Z in lathe coordinate system, and will be set as Z=0 to knife plane；Cutter will be demarcated
It is removed from main shaft, probe is fitted into main shaft, the initial length of probe is that Lt0 is tool length offset, opens probe, will
Probe is moved to above feeler block, and probe is moved along Z axis to close to workbench direction, and probe contacts use lathe function to knife face
Can, the waste Ls of cutter is obtained automatically, then a length of Lt=Lt0+Ls of actual probe knife.
The probe diameter scaling method, using the ring gauge with standard round, the diameter specifications of ring gauge have 30mm,
The types such as 40mm, 50mm, measure the thickness specification of ring not less than measuring head diameter, when calibration, when ring gauge is placed on calibrated length
Probe is moved to close to center location inside ring gauge by the identical position of feeler block, and ensuring to pop one's head in can when moving along X, Y-direction
Ring gauge is touched, height and position is located at a semi-open probe of annulus thickness, and correction radius obtains the probe radius value of X, Y-direction；
According to blank placement position, positioning plane monitoring-network region contour 10 is determined, and in 10 range of detection zone profile
Several sample point P1~Pn are set, using the Z-direction coordinate value of several sample point P1~Pn as lathe Z-direction origin, several sample points
P1~Pn is distributed within the scope of part positioning surface；
The Z-direction origin plane probe measurement method, by the Z-direction coordinate value for taking several sample points on datum plane
As lathe Z-direction origin, sample point is distributed within the scope of part positioning surface；
The Z-direction origin calculates, and after being measured, the difference of sample point Z-direction coordinate is calculated separately, if maximum difference
It is limited more than tolerance, then measurement datum is invalid, can not be used as Z-direction origin；If maximum difference is in tolerance limitation range, measurement
Datum level is effective, then using the average value of sample point Z value as Z-direction origin.
The Z-direction datum level measurement method when measuring the coordinate of sample point, directly contacts Z using the probe after correction
To datum plane, position of the Z-direction plane in lathe coordinate system is obtained, when measurement, open probe, gauge head is moved to measuring surface
Top is moved along Z axis to close to Z-direction datum plane direction, and contact obtains Z-direction datum plane position Z0, closes probe, measurement knot
Beam.
The Z-direction datum level measurement method, when measuring the coordinate of sample point, detection track include quick motor segment S1,
Approach phase S2 and transfer leg S3, quick motor segment S1 gauge head are fast moved to Approach phase S2, Approach phase S2 from security plane and are popped one's head in
Gradually moving contact reference sensing plane, transfer leg S3 are replacement measurement point position, and probe fast moves.
The other parts of the present embodiment are same as the previously described embodiments, and so it will not be repeated.
Embodiment 3:
The present embodiment the present invention in vertical knee-type milling machine Z-direction datum plane detection and setting method, most preferred embodiment, such as scheme
1 show a parts to be processed, and using 1 Set and Positioning of positioning tool, 2 positioning method of part blank is fabrication hole, datum level is fixed
Position, Cutter coordinate system origin 3 are located at the fabrication hole of left side, and Z-direction datum plane is 1 upper surface of positioning tool.
Plane is processed using probe centering benchmark, it is necessary first to be cleaned to 1 upper surface of positioning tool, according to part hair
The setting-out of 2 size of base determines cleaning region contour 4, removes part blank 2.
The cleaning fan structure used, as shown in figure 3, the fan is made of fan body 5 and flabellum 6, fan connecting machine tool
Main shaft, main shaft rotation drive fan rotation, and main shaft is mobile according to both fixed tracks, guarantee that all cleaning finishes cleaning region contour 4,
Complete cleaning.
Correcting probe, the sonde configuration used is as shown in figure 4, probe includes probe cramping body 7, probe 8, detection body 9, spy
Head is standard probe.
Manual aim at tool operation is carried out using the plug that full-length value is 50mm, is obtained to knife plane in lathe coordinate system
The position Z=49.99mm of Z；Lathe is inputted using the initial length 260mm of probe as tool length offset, opens probe, it will
Probe is moved to above feeler block, and probe is moved along Z axis to close to workbench direction, and contact obtains knife face using lathe function
Waste-the 0.13mm of cutter is taken, then actual probe length is 259.87mm.
Feeler block identical position when the standard round ring gauge of diameter 50mm, thickness specification 10mm are placed on calibrated length,
Probe is moved to inside ring gauge to the half position for close to the center of circle, being highly located at annulus thickness, opens probe, actionradius correction
Function corrects gauge head radius, obtains the probe radius value of X, Y-direction.Probe radius offset is compensated to probe system.
According to 2 placement position of part blank, positioning plane monitoring-network region contour 10 is determined and in 10 model of detection zone profile
Sampled point P1~P7 is taken in enclosing, sample point is used to detect the position of Z-direction datum level.
A position detection is carried out according to selected sampled point, probe detection track schematic diagram is illustrated in figure 6, detects track
It is divided into quick motor segment S1, Approach phase S2 and transfer leg S3, is connect wherein quick motor segment S1 and transfer leg S3 movement velocity are higher than
Proximal segment S2.Detection starts then to open probe, remaining time closes probe.
After the Z value for obtaining all sampled points, the difference of greatest z value and minimum Z value is less than 0.05mm, meets actual use and wants
It asks, calculates mean value Zavg=(Zp1+......+Zpn)/n of sample point Z-direction；The initial Z-direction datum plane of part Cutter coordinate system
Position in lathe is Z=Zavg；
The other parts of the present embodiment are same as the previously described embodiments, and so it will not be repeated.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, it is all according to
According to technical spirit any simple modification to the above embodiments of the invention, equivalent variations, protection of the invention is each fallen within
Within the scope of.
Claims (10)
1. the Z-direction datum plane of vertical knee-type milling machine detects and setting method, it is characterised in that: carry out the processing of centering benchmark using probe
Plane and calibration determine plane profile in tooling according to part blank (2) size, position, are to position facial contour before measurement
Several sampled points are chosen as sampling position, is meeting in the margin of tolerance, is taking sample point Z value according to part positioning surface position in boundary
Position of the average value as Z-direction datum plane.
2. the Z-direction datum plane of vertical knee-type milling machine according to claim 1 detects and setting method, it is characterised in that: specific
The following steps are included:
Step B: probe calibration；
Step C: according to according to part blank (2) placement position, positioning plane monitoring-network region contour (10) is determined, in detection zone wheel
Wide (10) range and several sample point P1~Pn on datum plane, Z-direction origin plane probe measurement and Z-direction origin calculate；
Step D:Z is to datum level face probe measurement.
3. the Z-direction datum plane of vertical knee-type milling machine according to claim 1 detects and setting method, it is characterised in that: also wrap
Include step A: tooling clean method；It specifically refers to: being cleaned using fan, is connect by knife handle with machine tool chief axis, when cleaning,
Main shaft rotation, band logical flabellum rotate to form cleaning capacity, and main shaft is moved according to the removing track of setting, cover all tables of tooling
Cleaning is completed in face.
4. the Z-direction datum plane of vertical knee-type milling machine according to claim 1-3 detects and setting method, feature exist
In: the step B specifically includes the following steps:
Step B1: probe length scaling method；Specifically includes the following steps:
Step B111: the position to knife plane Z in lathe coordinate system is obtained, Z=0 will be set as to knife plane；
Step B112: probe is fitted into main shaft, opens probe, and probe is moved to above feeler block, is popped one's head in along Z axis to close
Workbench direction is mobile, and probe contacts calculate actual probe according to the waste to knife face, the automatic waste Ls for obtaining cutter
Length Lt, Lt=Lt0+Ls, wherein Lt0 is the initial length of probe；
Step B2: probe diameter scaling method；It specifically refers to: feeler block identical position when ring gauge is placed on calibrated length,
Probe is moved to inside ring gauge close to center location, and ensures to pop one's head in and can touch ring gauge when moving along X to, Y-direction, height
Position is located at a semi-open probe of annulus thickness, and correction radius obtains the probe radius value of X, Y-direction.
5. the Z-direction datum plane of vertical knee-type milling machine according to claim 4 detects and setting method, it is characterised in that: described
Ring gauge is the ring gauge with standard round.
6. the Z-direction datum plane of vertical knee-type milling machine according to claim 4 detects and setting method, it is characterised in that: described
Step C specifically includes the following steps:
Step C1:Z is to origin plane probe measurement；
Step C2:Z is calculated to origin.
7. the Z-direction datum plane of vertical knee-type milling machine according to claim 6 detects and setting method, it is characterised in that: described
Step C1 is specifically referred to: according to blank placement position, determining positioning plane monitoring-network region contour, and in detection zone profile
Interior several sample point P1~Pn's of setting, using the Z-direction coordinate value of several sample point P1~Pn as lathe Z-direction origin, Ruo Ganqu
Sampling point P1~Pn is distributed within the scope of part positioning surface.
8. the Z-direction datum plane of vertical knee-type milling machine according to claim 7 detects and setting method, it is characterised in that: described
Step C2 is specifically referred to: after being measured, calculating separately the difference of sample point Z-direction coordinate；
If maximum difference is more than that tolerance limits range, measurement datum is invalid, can not be used as Z-direction origin；
If maximum difference is in tolerance limitation range, measurement datum is effective, then using the average value of sample point Z value as Z-direction original
Point.
9. the Z-direction datum plane of vertical knee-type milling machine according to claim 8 detects and setting method, it is characterised in that: the D
The following steps are included:
Step D1:Z is to datum level measurement method；
Z-direction datum plane is directly contacted using the probe after correction, obtains position of the Z-direction plane in lathe coordinate system；Measurement
When, probe is opened, gauge head is moved to above measuring surface, is moved along Z axis to close to Z-direction datum plane direction, contact obtains Z-direction
Datum plane position Z0 obtains the value Z of all sample point P1~PnP1......ZPn, probe is closed, measurement terminates；
Step D2: mean value Zavg=(Zp1+......+Zpn)/n of sample point Z-direction is calculated；The initial Z-direction of part Cutter coordinate system
Position of the datum plane in lathe is Z=Zavg.
10. the Z-direction datum plane of vertical knee-type milling machine according to claim 9 detects and setting method, it is characterised in that: measurement
When the coordinate of sample point, detection track includes quick motor segment S1, Approach phase S2 and transfer leg S3, quick motor segment S1 gauge head from
Security plane is fast moved to Approach phase S2, and gradually moving contact reference sensing plane, transfer leg S3 are more to Approach phase S2 probe
Measurement point position is changed, probe fast moves.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052881A (en) * | 2019-04-19 | 2019-07-26 | 成都飞机工业（集团）有限责任公司 | A kind of complex parts multistation conversion machining benchmark aligning method |
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| CN113110297A (en) * | 2021-03-31 | 2021-07-13 | 成都飞机工业（集团）有限责任公司 | Method for preventing origin from being used wrongly in numerical control machining process |
| CN113110293A (en) * | 2021-03-31 | 2021-07-13 | 成都飞机工业（集团）有限责任公司 | Compensation method for numerical control machining B-axis error probe |
| CN114178904A (en) * | 2022-02-15 | 2022-03-15 | 成都飞机工业（集团）有限责任公司 | Resolution measuring method of machine tool measuring system |
| CN114178904B (en) * | 2022-02-15 | 2022-06-14 | 成都飞机工业（集团）有限责任公司 | Resolution measuring method of machine tool measuring system |
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