CN105334802B - It is a kind of to adjust main shaft and the method for C axis concentricities - Google Patents

It is a kind of to adjust main shaft and the method for C axis concentricities Download PDF

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Publication number
CN105334802B
CN105334802B CN201510779253.8A CN201510779253A CN105334802B CN 105334802 B CN105334802 B CN 105334802B CN 201510779253 A CN201510779253 A CN 201510779253A CN 105334802 B CN105334802 B CN 105334802B
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axis
main shaft
concentricity
compensating parameter
concentricities
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CN105334802A (en
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李连玉
宋智勇
夏远猛
乔永忠
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Chengdu Aircraft Industrial Group Co Ltd
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Chengdu Aircraft Industrial Group Co Ltd
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/18Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/404Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for compensation, e.g. for backlash, overshoot, tool offset, tool wear, temperature, machine construction errors, load, inertia
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/30Nc systems
    • G05B2219/49Nc machine tool, till multiple
    • G05B2219/49077Control of feed and spindle, cutting speed

Abstract

Main shaft and the method for C axis concentricities are adjusted the invention discloses a kind of, applied to CA yaw type five-axle number control machine tools, is included the following steps:Step S1:Then fixed calibration ring on the table calls the gauge head unit in tool magazine that it is made to be mounted on the main shaft of CA yaws;Step S2:The coaxiality error of main shaft and C axis is measured, obtains the first coordinate(X1, Y1), the second coordinate(X2, Y2);Step S3:Calculate the coaxiality error value of main shaft and C axis;Step S4:Calculate the concentricity compensating parameter of main shaft and C axis;Step S5:Concentricity compensating parameter according to being obtained in step S4 is adjusted the concentricity of main shaft and C axis;Step S6:Step S2 S5 are repeated until the concentricity parameter value of both main-shaft axis and C axis rotation axis adjusts work if processing request is met and terminates.The present invention carries out automatic detection and quick adjustment to main shaft and C axis concentricity, effectively reduces manual intervention, and regulated efficiency is high.

Description

It is a kind of to adjust main shaft and the method for C axis concentricities
Technical field
The present invention relates to measuring device field, in particular to a kind of methods for adjusting main shaft and C axis concentricities.
Background technology
It is increasingly sophisticated with modern objects in NC machining part shape and curved surface, have flexibly, it is quick, can the range of work The CA yaw type five-axle number control machine tools of the features such as big start to be used widely, and CA yaws include routine CA yaws and bias CA is put Head, though the two structure is variant, five-axle linkage shift theory is identical, in CA yaws main shaft with the concentricity of C axis processed It is most important to the machining accuracy of part in journey.
As shown in Figure 10, conventional CA yaws, also known as error free CA yaws have two C axis, A axis rotary shafts, rotating around Z axis linear axes, the rotation of X-axis linear axes, and two rotating shaft axis intersect at a point with main-shaft axis.Main shaft is entity structure, main The axis of axis and the rotary shaft of C axis are respectively perpendicular to working face always, and distance only between the two can change and between the two Apart from adjustable.The distance of main-shaft axis and C axis rotation between centers is reflected as the concentricity of main shaft and C axis.
The currently detection to its main shaft of CA yaws and C axis concentricities and adjustment are mostly all using plug, (thousand points of dial gauge Table) or other functionally similar tools progress:Based on dial gauge, by plug loaded on main shaft and in the radially fixed erection hundred of plug Divide table, rotate C axis, observe percentage list index variable quantity to detect main shaft and C axis concentricity situations;According to the change of percentage list index Change data and calculate main shaft C axis coaxiality errors, according to obtained error amount manual compensation relevant parameter, parameter compensation is completed to come into force Afterwards, rotation C axis observes dial gauge total indicator reading again.During using this technical solution, the detection and adjustment to concentricity are general Need four steps:1. setting up dial gauge along lathe X-axis (or Y-axis) direction, adjustment lathe causes percentage list index as far as possible along X To the axis for being directed toward plug;2. rotating lathe C axis, pause in 0 °, 90 °, 180 °, 270 ° of four angles settings, record dial gauge Reading calculates coaxiality error;3. according to coaxiality error manual compensation digital control system relevant parameter;4. rotating C axis again, see Percentage meter reading is examined, whether certificate parameter adjustment is correct.The method is big to manual operation degree of dependence, and manual intervention is more to be caused The increase of destabilizing factor, measurement process is cumbersome, time of measuring is long.
Invention content
The purpose of the present invention is to provide a kind of method for adjusting main shaft and C axis concentricities, to main shaft and C axis concentricity into The automatic detection of row and quick adjustment, it is easy to operate and effectively reduce manual intervention, ensure machining accuracy, improve working efficiency.
The present invention is achieved through the following technical solutions:It is a kind of to adjust main shaft and the method for C axis concentricities, applied to five number of axle Lathe is controlled, is included the following steps:
Step S1:Measure prepare, in particular to:Then fixed calibration ring on the table calls the gauge head dress in tool magazine Putting makes it be mounted on the main shaft of CA yaws;
Step S2:The coaxiality error of main shaft and C axis is measured, specifically includes following steps:
Step S21:It keeps main shaft motionless, using the rotation angle of C axis initial positions as 0 ° i.e. C=0 °, measures calibration ring Central point simultaneously obtains the first coordinate (X1, Y1);
Step S22:Keep main shaft motionless, C axis rotates 180 ° i.e. C=180 °, measures the central point of calibration ring and obtains the Two coordinates (X2, Y2);
Step S3:Calculate the coaxiality error value of main shaft and C axis;
Step S4:Calculate the concentricity compensating parameter of main shaft and C axis;
Step S5:Concentricity compensating parameter according to being obtained in step S4 is adjusted the concentricity of main shaft and C axis;
Step S6:The concentricity parameter value of both main-shaft axis and C axis rotation axis adjusts work if processing request is met Work terminates, and step S2-S5 is repeated if processing request is not met.
Further, the step S3 is specifically referred to:According to the first coordinate value and the second coordinate value obtained in step S2 It is calculated, obtains main shaft and C axis in the coaxiality error dx and main shaft along X-direction and C axis in the concentricity along Y direction Error dy.
Further, main shaft is with computational methods of the C axis in the coaxiality error dx along X-direction in the step S3: Dx=(X1-X2)/2;Main shaft is with computational methods of the C axis in the coaxiality error dy along Y direction in the step S3:Dy= (Y1-Y2)/2。
Further, the step S4 is specifically referred to:It is missed according to the coaxiality error dx and concentricity obtained in step S3 Poor dy is calculated, and obtains the compensating parameter of main shaft and C axis concentricities.
Further, concentricity compensating parameter includes the compensating parameter Bx along X-direction, along Y-axis side in the step S4 To compensating parameter By;The computational methods of the compensating parameter Bx are:Bx=-dx;The computational methods of the compensating parameter By are: By=-dy.
Further, the step S5 is specifically referred to:According to the compensating parameter Bx and compensating parameter By obtained in step S4, The concentricity parameter value of main shaft and C axis is calculated, then according to the concentricity parameter value of main shaft and C axis to the same of main shaft and C axis Axis degree is adjusted.
Further, compensating parameter Bx > 0 and at C=0 °, the axis of main shaft adjusts Bx to X-axis forward direction;The benefit When repaying parameter Bx < 0 and C=0 °, the axis of main shaft is to X-axis negative sense adjustment-Bx;During the compensating parameter Bx=0, the axis of main shaft Line does not adjust in the X-axis direction.
Further, compensating parameter Bx > 0 and at C=180 °, the axis of main shaft adjusts Bx to X-axis negative sense;It is described Compensating parameter Bx < 0 and at C=180 °, the axis of main shaft is to X-axis forward direction adjustment-Bx;During the compensating parameter Bx=0, main shaft Axis do not adjust in the X-axis direction.
Further, compensating parameter By > 0 and at C=0 °, the axis of main shaft adjusts By to Y-axis forward direction;The benefit When repaying parameter By < 0 and C=0 °, the axis of main shaft is to Y-axis negative sense adjustment-By;During the compensating parameter By=0, the axis of main shaft Line does not adjust in the Y-axis direction.
Further, compensating parameter By > 0 and at C=180 °, the axis of main shaft adjusts By to Y-axis negative sense;It is described Compensating parameter By < 0 and at C=180 °, the axis of main shaft is to Y-axis forward direction adjustment-By;During the compensating parameter By=0, main shaft Axis do not adjust in the Y-axis direction.
Compared with prior art, the present invention haing the following advantages and advantageous effect:
(1) it is automatic by embedded software program the present invention is based on the gauge head unit and calibration ring being equipped on numerically-controlled machine tool The concentricity of main shaft and C axis is detected and adjusted, not only reduces the preparation, installation and adjustment process of the tools such as dial gauge, plug, And without the manually operations such as calculating, manual compensation parameter, working efficiency height;
(2) during main shaft and C axis concentricities being detected, adjusted in the present invention, manual intervention band is effectively avoided The uncertain factor come, it is stable.
Description of the drawings
Fig. 1 is the work flow diagram of the present invention.
When Fig. 2 is X1 < X2 and Y1 > Y2, the location diagram of main-shaft axis and C axis rotation axis.
When Fig. 3 is X1 > X2 and Y1 < Y2, the location diagram of main-shaft axis and C axis rotation axis.
When Fig. 4 is X1 < X2 and Y1 < Y2, the location diagram of main-shaft axis and C axis rotation axis.
When Fig. 5 is X1 > X2 and Y1 > Y2, the location diagram of main-shaft axis and C axis rotation axis.
When Fig. 6 is X1=X2 and Y1 > Y2, the location diagram of main-shaft axis and C axis rotation axis.
When Fig. 7 is X1=X2 and Y1 < Y2, the location diagram of main-shaft axis and C axis rotation axis.
When Fig. 8 is X1 > X2 and Y1=Y2, the location diagram of main-shaft axis and C axis rotation axis.
When Fig. 9 is X1 < X2 and Y1=Y2, the location diagram of main-shaft axis and C axis rotation axis.
Figure 10 is the structure diagram of existing CA yaws.
Figure 11 be main shaft axis PQ is motionless and the rotation axis RS of C axis illustrates close to the adjustment state of the axis PQ of main shaft Figure.
Specific embodiment
The present invention is described in further detail, but the implementation of the present invention is not limited to this with reference to embodiment.
The present invention is based on the gauge head unit and calibration ring being equipped on numerically-controlled machine tool, gauge head unit is mounted on the main shaft of CA yaws On, gauge head unit is controlled to be detected the central point of calibration ring by embedded software program and pass through the coordinate value meter of feedback The concentricity compensating parameter of main shaft and C axis is calculated, and the concentricity of main shaft and C axis is carried out quickly according to concentricity compensating parameter Adjustment ensures machining accuracy, improves working efficiency.
Present invention is mainly used for the main shaft of five-axle number control machine tool its CA yaw and the detections and adjustment of C axis concentricities.It is conventional Optimal state is that main shaft and C axis are coaxial to CA yaws when in use, i.e., both the axis of main shaft and the rotation axis of C axis are coaxial Spend is 0;There is clearly fixed position relationship with the rotation axis of C axis in the axis of its main shaft of eccentric CA yaws.But it actually uses When allow there are error, as long as the concentricity parameter value of main shaft and C axis meets processing request, can ensure the machining accuracy of part .
As shown in Figure 10, the axis of main shaft is PQ, and the rotation axis of C axis is RS, the axis of existing its main shaft of routine CA yaws The rotation axis RS of line PQ and C axis is respectively perpendicular to workbench.It can be to the rotation of the axis PQ and C axis of main shaft by embedding structure The distance between shaft axis RS is adjusted:The axis PQ for keeping main shaft is motionless, makes the rotation axis RS of C axis close to the axis of main shaft Line PQ reduces distance therebetween, i.e. concentricity reduces;Conversely, keeping the axis PQ of main shaft motionless, make the rotation of C axis Axis PQs of the axis RS far from main shaft increases distance therebetween, i.e. concentricity increases.Similarly, the rotary shaft of C axis is kept Line RS is motionless, makes the axis PQ of main shaft close to the rotation axis RS of C axis, that is, reduces distance therebetween, i.e. concentricity reduces; Conversely, keeping the rotation axis RS of C axis motionless, the axis PQ of main shaft is made to increase therebetween close to the rotation axis RS of C axis Distance, i.e., concentricity increase.
As shown in figure 11, it keeps the rotation axis RS of C axis motionless, the axis PQ of main shaft is made to be moved to P'Q' along X-axis forward direction, Then the concentricity of main shaft and C axis reduces.
When carrying out main shaft and the adjustment of C axis concentricities, principle is identical, operating procedure for conventional CA yaws and bias CA yaws It is close, therefore specific embodiment is only described in detail conventional its main shaft of CA yaws and the method for adjustment of C axis concentricities, it is no longer superfluous State the method for adjustment of eccentric its main shaft of CA yaws and C axis concentricities.
Embodiment 1:
A kind of adjustment main shaft and the method for C axis concentricities in the present embodiment, are mainly achieved through the following technical solutions: It is a kind of to adjust main shaft and the method for C axis concentricities, applied to five-axle number control machine tool, include the following steps:
Step S1:Measure prepare, in particular to:Then fixed calibration ring on the table calls the gauge head dress in tool magazine Putting makes it be mounted on the main shaft of CA yaws;
Step S2:The coaxiality error of main shaft and C axis is measured, specifically includes following steps:
Step S21:It keeps main shaft motionless, using the rotation angle of C axis initial positions as 0 ° i.e. C=0 °, measures calibration ring Central point simultaneously obtains the first coordinate (X1, Y1);
Step S22:Keep main shaft motionless, C axis rotates 180 ° i.e. C=180 °, measures the central point of calibration ring and obtains the Two coordinates (X2, Y2);
Step S3:Calculate the coaxiality error value of main shaft and C axis;
Step S4:Calculate the concentricity compensating parameter of main shaft and C axis;
Step S5:Concentricity compensating parameter according to being obtained in step S4 is adjusted the concentricity of main shaft and C axis;
Step S6:The concentricity parameter value of both main-shaft axis and C axis rotation axis adjusts work if processing request is met Work terminates, and step S2-S5 is repeated if processing request is not met.
Embodiment 2:
A kind of adjustment main shaft and the method for C axis concentricities in the present embodiment, are mainly achieved through the following technical solutions: It is a kind of to adjust main shaft and the method for C axis concentricities, applied to five-axle number control machine tool, include the following steps:
Step S1:Measure prepare, in particular to:Then fixed calibration ring on the table calls the gauge head dress in tool magazine Putting makes it be mounted on the main shaft of CA yaws;
Step S2:The coaxiality error of main shaft and C axis is measured, specifically includes following steps:
Step S21:It keeps main shaft motionless, using the rotation angle of C axis initial positions as 0 ° i.e. C=0 °, measures calibration ring Central point simultaneously obtains the first coordinate (X1, Y1);
Step S22:Keep main shaft motionless, C axis rotates 180 ° i.e. C=180 °, measures the central point of calibration ring and obtains the Two coordinates (X2, Y2);
Step S3:Calculate the coaxiality error value of main shaft and C axis.The step S3 is specifically referred to:Embedded software program The first coordinate value and the second coordinate value according to being obtained in step S2 are calculated, and obtain main shaft and C axis along the same of X-direction Axis degree error dx and main shaft and C axis are in the coaxiality error dy along Y direction.
Step S4:Calculate the concentricity compensating parameter of main shaft and C axis.
Step S5:Concentricity compensating parameter according to being obtained in step S4 is adjusted the concentricity of main shaft and C axis.
Step S6:The concentricity parameter value of both main-shaft axis and C axis rotation axis adjusts work if processing request is met Work terminates, and step S2-S5 is repeated if processing request is not met.
Main shaft is with computational methods of the C axis in the coaxiality error dx along X-direction in the step S3:Dx=(X1- X2)/2;Main shaft is with computational methods of the C axis in the coaxiality error dy along Y direction in the step S3:Dy=(Y1-Y2)/ 2。
Concentricity compensating parameter includes the compensating parameter Bx along X-direction in the step S4, the compensation along Y direction is joined Number By;The computational methods of the compensating parameter Bx are:Bx=-dx;The computational methods of the compensating parameter By are:By=-dy.
The step S5 is specifically referred to:According to the compensating parameter Bx and compensating parameter By obtained in step S4, master is calculated Then the concentricity parameter value of axis and C axis carries out the concentricity of main shaft and C axis according to the concentricity parameter value of main shaft and C axis Adjustment.
In the present invention, first fixed calibration ring on the table, then calls gauge head unit and main shaft is configured in installation at the same time On the head of C axis, gauge head unit is controlled to carry out measurement of coordinates to the central point of calibration ring by embedded program.Every group of measurement packet Include two test points:When one test point is that main shaft is motionless and C axis rotation angle is 0 °, i.e., C=0 °, calibration ring central point is obtained Coordinate for the first coordinate, be denoted as (X1, Y1);Another test point is that main shaft is motionless and C axis rotation angle is 180 °, i.e. C= At 180 °, the coordinate for obtaining calibration ring central point is the second coordinate, is denoted as (X2, Y2).Then proceed to by embedded program according to First coordinate, the coaxiality error value of the second coordinate step by step calculation main shaft and C axis, the concentricity compensating parameter of main shaft and C axis, and The concentricity of main shaft and C axis is adjusted.
To be equipped with the CA yaw type five-axle number control machine tools of SIEMENS 840D systems and RENISHAW RMP60 gauge head units For, wait tools progress main shaft that need to spend 42 minutes with the adjustment of C axis concentricity using dial gauge, and use side of the present invention Method, which is adjusted main shaft and C axis concentricities, only needs 7 minutes, reduces 83.3%, and the machine tool chief axis and C axis are coaxial after adjustment Degree becomes 0.02mm from 0.05mm, improves 60%.
Embodiment 3:
It is a kind of to adjust main shaft and the method for C axis concentricities, applied to five-axle number control machine tool, include the following steps:
Step S1:Measure prepare, in particular to:Then fixed calibration ring on the table calls the gauge head dress in tool magazine Putting makes it be mounted on the main shaft of CA yaws.
Step S2:The coaxiality error of main shaft and C axis is measured, specifically includes following steps:
Step S21:It keeps main shaft motionless, using the rotation angle of C axis initial positions as 0 ° i.e. C=0 °, measures calibration ring Central point simultaneously obtains the first coordinate (X1, Y1);
Step S22:Keep main shaft motionless, C axis rotates 180 ° i.e. C=180 °, measures the central point of calibration ring and obtains the Two coordinates (X2, Y2).
Step S3:Calculate the coaxiality error value of main shaft and C axis.The step S3 is specifically referred to:Embedded software program The first coordinate value and the second coordinate value according to being obtained in step S2 are calculated, and obtain main shaft and C axis along the same of X-direction Axis degree error dx and main shaft and C axis in the coaxiality error dy along Y direction, wherein dx=(X1-X2)/2, dy=(Y1-Y2)/ 2。
Step S4:Calculate the concentricity compensating parameter of main shaft and C axis.
Step S5:According to the concentricity compensating parameter obtained in step S4, the concentricity parameter of main shaft and C axis is calculated Value, is then adjusted the concentricity of main shaft and C axis according to the concentricity parameter value of main shaft and C axis.It is same in the step S4 Axis degree compensating parameter includes the compensating parameter Bx along X-direction, the compensating parameter By along Y direction, wherein Bx=-dx, By=- dy。
Step S6:If the concentricity parameter value of both main-shaft axis and C axis rotation axis meets processing request, main shaft with The concentricity adjustment work of C axis is completed;It will if the concentricity parameter value of both main-shaft axis and C axis rotation axis does not meet processing It asks, then re-executes step S1.
The compensating parameter Bx=-dx refers to carry out concentricity adjustment operation in X-direction according to coaxiality error dx When, the numerical value numerical value corresponding with dx of adjustment is equal but the direction of compensating operation is opposite.Because C=0 ° of correspondence measures the first coordinate (X1, Y1) and C=180 ° of correspondence measure the second coordinate (X2, Y2), so representing that X1 > X2, dx < 0 represents X1 if dx > 0 < X2.If Bx=-dx < 0, should be adjusted when adjusting the axis of main shaft along X-direction under C=0 ° of state to the negative sense of X-axis, It should be adjusted when under C=180 ° of state along the axis of X-direction adjustment main shaft to the forward direction of X-axis.If Bx=-dx > 0, in C It should be adjusted when under=0 ° of state along the axis of X-direction adjustment main shaft to the forward direction of X-axis,
It should be adjusted when under C=180 ° of state along the axis of X-direction adjustment main shaft to the negative sense of X-axis.
Similarly, the compensating parameter By=-dy refers to carry out concentricity adjustment in Y direction according to coaxiality error dy During operation, the numerical value numerical value corresponding with dy of adjustment is equal but the direction of compensating operation is opposite.Because C=0 ° of correspondence measures first Coordinate (X1, Y1) and C=180 ° of correspondence measure the second coordinate (X2, Y2), so representing 0 tables of Y1 > Y2, dy < if dy > 0 Show Y1 < Y2.It, should be to the negative sense tune of Y-axis when adjusting the axis of main shaft along Y direction under C=0 ° of state if By=-dy < 0 It is whole, it should be adjusted when adjusting the axis of main shaft along Y direction under C=180 ° of state to the forward direction of Y-axis.If By=-dy > 0, It should be adjusted when under C=0 ° of state along the axis of X-direction adjustment main shaft to the forward direction of Y-axis, along X-axis under C=180 ° of state Direction should adjust when adjusting the axis of main shaft to the negative sense of Y-axis.
Embodiment 4:
The present embodiment advanced optimizes on the basis of embodiment any one of 1-3, and the step S5 is according to main shaft and C axis The method that is adjusted to the concentricity of main shaft and C axis of concentricity parameter value be:When C=0 °, the axis of main shaft to X-axis just By is adjusted to adjustment Bx and to Y-axis forward direction;When C=180 °, the axis of main shaft adjusts Bx and to Y-axis negative sense tune to X-axis negative sense Whole By.
As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, by taking conventional CA yaws as an example, coordinate value is (X, Y) Point Z represent main-shaft axis is overlapped with calibration ring central point, point W1 expression C=0 ° when the first coordinate (X1, Y1), point W2 expression C Second coordinate (X2, Y2) at=0 °.
Due to Bx=-dx and dx=(X1-X2)/2, so Bx=
- dx=- (X1-X2)/2=(X2-X1)/2.
Due to By=-dy and dy=(Y1-Y2)/2, so By=
- dy=- (Y1-Y2)/2=(Y2-Y1)/2.
Specific method of adjustment is as follows:
As shown in Fig. 2, X1 < X2 and Y1 > Y2, then compensating parameter Bx > 0 and compensating parameter By < 0:When C axis rotation angles When being 0 ° i.e. C=0 °, the axis of main shaft is simultaneously to X-axis forward direction adjustment Bx, to Y-axis negative sense adjustment-By;When C axis rotation angles are At 180 ° i.e. C=180 °, the axis of main shaft is simultaneously to X-axis negative sense adjustment Bx, to Y-axis forward direction adjustment-By.
As shown in figure 3, X1 > X2 and Y1 < Y2, then compensating parameter Bx < 0 and compensating parameter By > 0:When C axis rotation angles When being 0 ° i.e. C=0 °, the axis of main shaft adjusts By to X-axis negative sense adjustment-Bx, to Y-axis forward direction simultaneously;When C axis rotation angles are At 180 ° i.e. C=180 °, the axis of main shaft adjusts By to X-axis forward direction adjustment-Bx, to Y-axis negative sense simultaneously.
As shown in figure 4, X1 < X2 and Y1 < Y2, then compensating parameter Bx > 0 and compensating parameter By > 0:When C axis rotation angles When being 0 ° i.e. C=0 °, the axis of main shaft adjusts By to X-axis forward direction adjustment Bx, to Y-axis forward direction simultaneously;When C axis rotation angles are At 180 ° i.e. C=180 °, the axis of main shaft adjusts By to X-axis negative sense adjustment Bx, to Y-axis negative sense simultaneously.
As shown in figure 5, X1 > X2 and Y1 > Y2, then compensating parameter Bx < 0 and compensating parameter By < 0:When C axis rotation angles When being 0 ° i.e. C=0 °, the axis of main shaft is simultaneously to X-axis negative sense adjustment-Bx, to Y-axis negative sense adjustment-By;When C axis rotation angles are At 180 ° i.e. C=180 °, the axis of main shaft is simultaneously to X-axis forward direction adjustment-Bx, to Y-axis forward direction adjustment-By.
As shown in fig. 6, X1=X2 and Y1 > Y2, then compensating parameter Bx=0 and compensating parameter By < 0:When C axis rotation angles When being 0 ° i.e. C=0 °, the axis of main shaft is only to Y-axis negative sense adjustment-By;It is main when C axis rotation angle is 180 ° i.e. C=180 ° The axis of axis is only to Y-axis forward direction adjustment-By.
As shown in fig. 7, X1=X2 and Y1 < Y2, then compensating parameter Bx=0 and compensating parameter By > 0:When C axis rotation angles When being 0 ° i.e. C=0 °, the axis of main shaft only adjusts By to Y-axis forward direction;When C axis rotation angle is 180 ° i.e. C=180 °, main shaft Axis only to Y-axis negative sense adjust By.
As shown in figure 8, Y1=Y2 and X1 > X2, then compensating parameter By=0 and compensating parameter Bx < 0:When C axis rotation angles When being 0 ° i.e. C=0 °, the axis of main shaft is only to X-axis negative sense adjustment-Bx;It is main when C axis rotation angle is 180 ° i.e. C=180 ° The axis of axis is only to X-axis forward direction adjustment-Bx.
As shown in figure 9, Y1=Y2 and X1 < X2, then compensating parameter By=0 and compensating parameter Bx > 0:When C axis rotation angles When being 0 ° i.e. C=0 °, the axis of main shaft only adjusts Bx to X-axis forward direction;When C axis rotation angle is 180 ° i.e. C=180 °, main shaft Axis only to X-axis negative sense adjust Bx.
Any one of the other parts of the present embodiment and embodiment 1-3 are identical, and so it will not be repeated.
Embodiment 5:
The present embodiment advanced optimizes on the basis of embodiment any one of 1-4, and further, the step S5 is performed The number crossed is n and n is nonnegative integer.
When the step S5 performed n times, the first coordinate for measuring is (X1n, Y1n), the second coordinate measured for (X2n, Y2n).The compensating parameter of the main shaft and C axis concentricity along X-direction is Bxn, main shaft and benefit of the C axis concentricity along Y direction Parameter Byn is repaid, the computational methods of compensating parameter Bxn are:Bxn=-dxn, the computational methods of compensating parameter Byn are:Byn=- dyn.After the concentricity parameter value includes the original parameter value Pxn along X-direction, the original parameter value Pyn along Y direction, adjustment Along the parameter value Py (n+1), parameter value Px (n+1) after adjustment of Y direction after along the parameter value Px (n+1) of X-direction, adjustment Computational methods are:Px (n+1)=Pxn+Bxn, the computational methods of parameter value Py (n+1) are after adjustment:Py (n+1)=Pyn+Byn.
During original state, the number of adjustment main shaft and the concentricity of C axis is 0 time, i.e. n=0:The first coordinate measured at this time For (X10, Y10), the second coordinate measured is (X20, Y20);The main shaft and compensating parameter of the C axis concentricity along X-direction For Bx0, main shaft and compensating parameter By0 of the C axis concentricity along Y direction, the computational methods of compensating parameter Bx0 are:Bx0=- Dx0, the computational methods of compensating parameter By0 are:By0=-dy0;The concentricity parameter value includes the original parameter value along X-direction Px0, along Y direction original parameter value Py0, adjustment after along X-direction parameter value Px1, adjustment after along Y direction parameter value Py1, the computational methods of parameter value Px1 are after adjustment:Px1=Px0+Bx0, the computational methods of parameter value Py1 are after adjustment:Py1 =Py0+By0, wherein:Px0, Py0 are former main shaft and C axis concentricity parameter values, i.e. system value.
Dx0=(X10-X20)/2 (1-11)
Bx0=-dx0 (1-12)
Px1=Px0+Bx0 (1-13)
It can be obtained by (1-11), (1-12), (1-13):
Px1=Px0- (X10-X20)/2 (1-14)
Similarly:
Dy0=(Y10-Y20)/2 (1-21)
By0=-dy0 (1-22)
Py1=Py0+By0 (1-23)
It can be obtained by (1-21), (1-22), (1-23):
Py1=Py0- (Y10-Y20)/2 (1-24)
1 adjustment is carried out to main shaft and C axis concentricity:If Px1, Py1 meet processing request, main shaft and C axis are coaxial The adjustment work of degree is completed;If any one of Px1, Py1 do not meet processing request, n numerations increase by 1, and re-execute step S1, N=1 at this time, the first coordinate measured are (X11, Y11), and the second coordinate measured is (X21, Y21).The concentricity parameter value Including along after 1 time of X-direction adjustment parameter value Px1, along after 1 adjustment of Y direction parameter value Py1, along X-direction Parameter value Px2 after 2 adjustment, along the parameter value Py2 after the adjustment of Y direction 2 times, the calculating side of parameter value Px2 after 2 adjustment Method is:Px2=Px1+Bx1, the computational methods of parameter value Py2 are after 2 adjustment:Py2=Py1+By1.
Dx1=(X11-X21)/2 (2-11)
Bx1=-dx1 (2-12)
Px2=Px1+Bx1 (2-13)
It can be obtained by (2-11), (2-12), (2-13):
Px2=Px1- (X11-X21)/2 (2-14)
Similarly:
Dy1=(Y11-Y21)/2 (2-21)
By1=-dy1 (2-22)
Py2=Py1+By1 (2-23)
It can be obtained by (2-21), (2-22), (2-23):
Py2=Py1- (Y11-Y21)/2 (2-24)
2 adjustment are carried out to main shaft and C axis concentricity:If Px2, Py2 meet processing request, main shaft and C axis are coaxial The adjustment work of degree is completed;If any one of Px2, Py2 do not meet processing request, n numerations increase by 1, and re-execute step S1, N=2 at this time.Adjustment process is close, and so it will not be repeated.
The other parts of the present embodiment are identical with the other parts of any one of embodiment 1-4, 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 every according to According to the present invention technical spirit above example is made any simple modification, equivalent variations, each fall within the present invention protection Within the scope of.

Claims (10)

1. a kind of adjust main shaft and the method for C axis concentricities, applied to five-axle number control machine tool, it is characterised in that:Including following step Suddenly:
Step S1:Measure prepare, in particular to:Then fixed calibration ring on the table calls the gauge head unit in tool magazine to make It is mounted on the main shaft of CA yaws;
Step S2:The coaxiality error of main shaft and C axis is measured, specifically includes following steps:
Step S21:It keeps main shaft motionless, using the rotation angle of C axis initial positions as 0 ° i.e. C=0 °, measures the central point of calibration ring And obtain the first coordinate(X1, Y1);
Step S22:Keep main shaft motionless, C axis rotates 180 ° i.e. C=180 °, measures the central point of calibration ring and obtains the second coordinate (X2, Y2);
Step S3:Calculate the coaxiality error value of main shaft and C axis;
Step S4:Calculate the concentricity compensating parameter of main shaft and C axis;
Step S5:Concentricity compensating parameter according to being obtained in step S4 is adjusted the concentricity of main shaft and C axis;
Step S6:The concentricity parameter value of both main-shaft axis and C axis rotation axis adjusts work knot if processing request is met Beam repeats step S2-S5 if processing request is not met.
2. a kind of method for adjusting main shaft and C axis concentricities according to claim 1, it is characterised in that:The step S3 It specifically refers to:The first coordinate value and the second coordinate value according to being obtained in step S2 are calculated, and obtain main shaft and C axis along X The coaxiality error dx and main shaft of axis direction are with C axis in the coaxiality error dy along Y direction.
3. a kind of method for adjusting main shaft and C axis concentricities according to claim 2, it is characterised in that:The step S3 Middle main shaft is with computational methods of the C axis in the coaxiality error dx along X-direction:dx=(X1-X2)/2;It is main in the step S3 Axis is with computational methods of the C axis in the coaxiality error dy along Y direction:dy=(Y1-Y2)/2.
4. a kind of method for adjusting main shaft and C axis concentricities according to claim 3, it is characterised in that:The step S4 It specifically refers to:Coaxiality error dx and coaxiality error dy according to being obtained in step S3 are calculated, and obtain main shaft and C axis is same The compensating parameter of axis degree.
5. a kind of method for adjusting main shaft and C axis concentricities according to claim 4, it is characterised in that:The step S4 Middle concentricity compensating parameter includes the compensating parameter Bx along X-direction, the compensating parameter By along Y direction;The compensating parameter The computational methods of Bx are:Bx= -dx;The computational methods of the compensating parameter By are:By= -dy.
6. a kind of method for adjusting main shaft and C axis concentricities according to claim 5, it is characterised in that:The step S5 It specifically refers to:According to the compensating parameter Bx and compensating parameter By obtained in step S4, the concentricity parameter of main shaft and C axis is calculated Value, is then adjusted the concentricity of main shaft and C axis according to the concentricity parameter value of main shaft and C axis.
7. a kind of method for adjusting main shaft and C axis concentricities according to claim 6, it is characterised in that:The compensation ginseng When counting Bx > 0 and C=0 °, the axis of main shaft adjusts Bx to X-axis forward direction;Compensating parameter Bx < 0 and during C=0 °, the axis of main shaft Line is to X-axis negative sense adjustment-Bx;During the compensating parameter Bx=0, the axis of main shaft does not adjust in the X-axis direction.
8. a kind of method for adjusting main shaft and C axis concentricities according to claim 6, it is characterised in that:The compensation ginseng When counting Bx > 0 and C=180 °, the axis of main shaft adjusts Bx to X-axis negative sense;Compensating parameter Bx < 0 and during C=180 °, main shaft Axis to X-axis forward direction adjustment-Bx;During the compensating parameter Bx=0, the axis of main shaft does not adjust in the X-axis direction.
9. a kind of method for adjusting main shaft and C axis concentricities according to claim 6, it is characterised in that:The compensation ginseng When counting By > 0 and C=0 °, the axis of main shaft adjusts By to Y-axis forward direction;Compensating parameter By < 0 and during C=0 °, the axis of main shaft Line is to Y-axis negative sense adjustment-By;During the compensating parameter By=0, the axis of main shaft does not adjust in the Y-axis direction.
10. a kind of method for adjusting main shaft and C axis concentricities according to claim 6, it is characterised in that:The compensation ginseng When counting By > 0 and C=180 °, the axis of main shaft adjusts By to Y-axis negative sense;Compensating parameter By < 0 and during C=180 °, main shaft Axis to Y-axis forward direction adjustment-By;During the compensating parameter By=0, the axis of main shaft does not adjust in the Y-axis direction.
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