CN110388862A - A kind of method of simplicity positioning machine tool turntable rotation axis - Google Patents
A kind of method of simplicity positioning machine tool turntable rotation axis Download PDFInfo
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- CN110388862A CN110388862A CN201910660439.XA CN201910660439A CN110388862A CN 110388862 A CN110388862 A CN 110388862A CN 201910660439 A CN201910660439 A CN 201910660439A CN 110388862 A CN110388862 A CN 110388862A
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- turntable
- main shaft
- amesdial
- coordinate
- auxiliary ball
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
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- General Physics & Mathematics (AREA)
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Abstract
The present invention provides a kind of methods of easy positioning machine tool turntable rotation axis, belong to machine tool field.A kind of method of easy positioning machine tool turntable rotation axis provided by the invention positions the rotation axis of lathe turntable by auxiliary ball and amesdial, includes the following steps: step 1, the turntable coordinate of determining and mobile main shaft to coarse adjustment；Step 2, amesdial is placed on touches the contact of amesdial with auxiliary ball and contour；Step 3, rotation axis coordinate of the determining and mobile main shaft to after correcting；Step 4, judge BmaxWith BminDifference whether be less than or equal to 0.002mm, if it has not, 2 are entered step, if it is, entering step 5；Step 5, main shaft coordinate is determined to get to turntable coordinate origin by magnetic pedestal and auxiliary ball, establishes rectangular coordinate system orientation axis.Operation of the present invention is convenient, does not have technical requirements to operator, the time of entire implementation process consumption is short, has very big practicability and popularization.
Description
Technical field
The present invention relates to a kind of methods of orientation axis, and in particular to a kind of side of simplicity positioning machine tool turntable rotation axis
Method belongs to machine tool field.
Background technique
In numerically-controlled machine tool, the rotation axis of precise positioning rotary shaft is very important.Especially use ball bar, R-
When the tools such as test carry out error-detecting to rotary shaft, accurately entire error-detecting precision is can be improved in rotation axis.
In the prior art, the method for positioning turntable rotation axis needs masterful technique operation and experience abundant mostly,
It can be only achieved higher positioning accuracy in this way.Some methods need to be by gauge block, but gauge block often heavier mass, in subtle adjustment
During, it is extremely difficult to reach necessary requirement, increases the difficulty and complexity of experiment, and entire adjustment link needs to consume greatly
The time is measured, entire experimental period is extended, be not suitable for practical plant operation and is popularized.
Summary of the invention
The present invention is to carry out to solve the above-mentioned problems, and it is an object of the present invention to provide easy positioning machine tool turntable rotation axis
Method.
The present invention provides a kind of methods of easy positioning machine tool turntable rotation axis, and this method is by auxiliary ball and thousand points
Table positions the rotation axis of lathe turntable, and auxiliary ball is fixed on main shaft lower end, and auxiliary ball is that diameter is fixed and had
Have by the sphere of 3 machinery positioning fixed functions, have the feature that, include the following steps: step 1, determines turning for coarse adjustment
Platform coordinate (XC, YC) and by the turntable coordinate (X of main axle moving to coarse adjustmentC, YC), enter step 2；Step 2, amesdial is placed
It on turntable and touches the contact of amesdial with auxiliary ball and contour, enters step 3；Step 3, turntable is rotated by 360 °, is being turned
Amesdial full-scale reading B is recorded in platform rotation processmax, amesdial least count BminAnd amesdial reads maximum and thousand points
The angle α of position and X-axis positive direction at meter reading minimum, and calculate the rotation axis coordinate (X after determining correction0, Y0) simultaneously
By the rotation axis coordinate (X after main axle moving to correction0, Y0), enter step 4；Step 4, amesdial maximum is read in judgment step 3
Number BmaxWith amesdial least count BminDifference whether be less than or equal to 0.002mm, if it has not, enter step 2, if it is, into
Step 5；Step 5, magnetic pedestal is placed in immediately below main shaft, reducing main shaft is sucked auxiliary ball by magnetic pedestal, fixed magnetic
Pedestal records main shaft coordinate Z0To get arrive turntable coordinate origin (X0, Y0, Z0), and establish rectangular coordinate system orientation axis, wherein
Rotation axis coordinate (X after correction0, Y0) in
In a kind of method of easy positioning machine tool turntable rotation axis provided by the invention, there can also be such spy
Sign: where auxiliary ball is fixed on main shaft by mounting rod, and mounting rod one end is fixed on main shaft, and the other end, which is provided with, to be had
The suction base of magnetic supported at three point function.
In a kind of method of easy positioning machine tool turntable rotation axis provided by the invention, there can also be such spy
Sign: where determine X in the turntable coordinate of coarse adjustmentCThe step of it is as follows: step 1-1 consolidates amesdial in the initial position of turntable
It is scheduled on the X-axis positive direction of turntable, auxiliary ball is moved to the surface of X-axis positive direction and is located at the X-axis of amesdial by mobile main shaft
Negative direction；Step 1-2 adjusts main spindle's, contacts auxiliary ball with amesdial, write down the reading of amesdial along X-direction
Number, and the X-coordinate where main shaft at this time is denoted as X1；Turntable is rotated 180 ° by step 1-3, and mobile main shaft makes auxiliary ball along X
The movement of axis negative direction, touches amesdial, keeps its reading equal with step 1-1, the X-coordinate where main shaft at this time is denoted as X2；
Step 1-4, according to formulaCalculate the X in the turntable coordinate for determining coarse adjustmentC。
In a kind of method of easy positioning machine tool turntable rotation axis provided by the invention, there can also be such spy
Sign: where determine the Y in the turntable coordinate of coarse adjustmentCThe step of it is as follows: step 1-1, in the initial position of turntable, by amesdial
It is fixed on the Y-axis positive direction of turntable, auxiliary ball is moved to the surface of Y-axis positive direction and is located at the Y of amesdial by mobile main shaft
Axis negative direction；Step 1-2 adjusts main spindle's, contacts auxiliary ball with amesdial, write down the reading of amesdial along Y direction
Number, and the Y-coordinate where main shaft at this time is denoted as Y1；Turntable is rotated 180 ° by step 1-3, and mobile main shaft makes auxiliary ball along Y
The movement of axis negative direction, touches amesdial, keeps its reading equal with step 1-1, the Y-coordinate where main shaft at this time is denoted as Y2；
Step 1-4, according to formulaCalculate the Y in the turntable coordinate for determining coarse adjustmentC。
In a kind of method of easy positioning machine tool turntable rotation axis provided by the invention, there can also be such spy
Sign: where reduce the method that auxiliary ball is sucked by magnetic pedestal in main shaft are as follows: reduce main shaft height, the auxiliary in main shaft lower end
Stop reducing main shaft when ball is away from magnetic pedestal 3-5mm, adjustment magnetic pedestal ensures that it is located at immediately below main shaft, then reduces main shaft height
Auxiliary ball is sucked by magnetic pedestal in degree, then locks magnetic pedestal switch.
The action and effect of invention
The method of easy positioning turntable rotation axis involved according to the present invention, because this method is in the process of implementation
By tool only need an auxiliary ball, magnetic pedestal and amesdial, tool is few and easy to get started, so, operation of the present invention side
Just, there is no technical requirements to operator, the time of entire implementation process consumption is short.During actual location, have very
Big practicability and popularization.
Detailed description of the invention
Fig. 1 is a kind of flow chart of the embodiment of the method for easy positioning machine tool turntable rotation axis of the present invention；
Fig. 2 be in a kind of embodiment step 1 of the method for easy positioning machine tool turntable rotation axis of the present invention amesdial with
The position view of auxiliary ball；
Fig. 3 be in a kind of embodiment step 2 of the method for easy positioning machine tool turntable rotation axis of the present invention amesdial with
The position view of auxiliary ball；
Fig. 4 is magnetic pedestal in a kind of embodiment step 5 of the method for easy positioning machine tool turntable rotation axis of the present invention
With the position view of auxiliary ball；And
Fig. 5 is mounting rod and auxiliary ball in a kind of embodiment of the method for easy positioning machine tool turntable rotation axis of the present invention
Structure and scheme of installation.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Examples and drawings are closed to be specifically addressed the present invention.
<embodiment>
Fig. 1 is a kind of flow chart of the embodiment of the method for easy positioning machine tool turntable rotation axis of the present invention.Fig. 5 is this
Invent the scheme of installation of mounting rod and auxiliary ball in the embodiment of a kind of method of easy positioning machine tool turntable rotation axis.
A kind of method for present embodiments providing easy positioning machine tool turntable rotation axis, lathe have main shaft 1, this method
The rotation axis of lathe turntable is positioned by auxiliary ball 2 and amesdial 3, auxiliary ball 2 is fixed on master by mounting rod 4
On axis 1,4 one end of mounting rod is fixed on main shaft 1, and the other end is provided with the suction base with magnetic supported at three point function.
As shown in figure 5, auxiliary ball 2 is the fixed sphere of diameter and has the function fixed by 3 machinery positionings, pacified
On the suction base for filling 4 one end of bar, specifically it is fixed in a manner of magnetic supported at three point on the suction base of mounting rod 4.
As shown in Figure 1, a kind of method for present embodiments providing easy positioning machine tool turntable rotation axis, this method include
Following steps:
Step 1, it then follows right-handed Cartesian rectangular coordinate system rule determines the positive and negative direction of X-axis and the positive and negative direction of Y-axis, really
Determine the turntable coordinate (X of coarse adjustmentC, YC) and main shaft 1 is moved to the turntable coordinate (X of coarse adjustmentC, YC) at position, enter step 2；
Fig. 2 be in a kind of embodiment step 1 of the method for easy positioning machine tool turntable rotation axis of the present invention amesdial with
The position view of auxiliary ball.
Determine X in the turntable coordinate of coarse adjustmentCThe step of it is as follows:
Step 1-1 is moved as shown in Fig. 2, amesdial 3 to be fixed on to the X-axis positive direction of turntable in the initial position of turntable
Auxiliary ball 2 is moved to the surface of X-axis positive direction and is located at the X-axis negative direction of amesdial 3 by dynamic main shaft 1；
Step 1-2 adjusts main spindle's, makes the contact of auxiliary ball 2 Yu amesdial 3, write down thousand along X-direction
Divide the reading of table 3, and the X-coordinate where main shaft 1 at this time is denoted as X1；
Turntable is rotated 180 ° by step 1-3, and mobile main shaft 1 moves auxiliary ball 2 along X-axis negative direction, touches amesdial
3 contact keeps the reading of amesdial 3 equal with step 1-1, and the X-coordinate where main shaft 1 at this time is denoted as X2；
Step 1-4, according to formulaCalculate the X in the turntable coordinate for determining coarse adjustmentC,
Determine the Y in the turntable coordinate of coarse adjustmentCThe step of it is as follows:
Amesdial 3 is fixed on the Y-axis positive direction of turntable, mobile main shaft 1 will be auxiliary in the initial position of turntable by step 1-5
It helps ball 2 to be moved to the surface of Y-axis positive direction and is located at the Y-axis negative direction of amesdial；
Step 1-6 adjusts main spindle's, makes the contact of auxiliary ball 2 Yu amesdial 3, write down thousand along Y direction
Divide the reading of table 3, and the Y-coordinate where main shaft at this time is denoted as Y1；
Turntable is rotated 180 ° by step 1-7, and mobile main shaft 1 moves auxiliary ball 2 along Y-axis negative direction, touches amesdial
3 contact keeps its reading equal with step 1-5, the Y-coordinate where main shaft at this time is denoted as Y2；
Step 1-8, according to formulaCalculate the Y in the turntable coordinate for determining coarse adjustmentC。
Fig. 3 be in a kind of embodiment step 2 of the method for easy positioning machine tool turntable rotation axis of the present invention amesdial with
The position view of auxiliary ball.
Step 2, as shown in figure 3, amesdial 3 is placed on turntable and make the contact of amesdial 3 and auxiliary ball 2 touch and
It is contour, enter step 3.
Step 3, turntable is rotated by 360 °, amesdial full-scale reading B is recorded in turntable rotation processmax, amesdial most
Small reading BminAnd amesdial 3 reads the angle α of position and X-axis positive direction at maximum and amesdial reading minimum, and counts
Calculate the rotation axis coordinate (X after determining correction0, Y0) and by main axle moving to correction after rotation axis coordinate (X0, Y0), wherein
Rotation axis coordinate (X after correction0, Y0) in It enablesWherein, e is the turntable coordinate (X of coarse adjustmentC, YC) with correction after rotation axis coordinate (X0, Y0) deviation
Value, enters step 4；
Step 4, amesdial full-scale reading B in judgment step 3maxWith amesdial least count BminDifference whether be less than or wait
In 0.002mm, if it has not, 2 are entered step, if it is, entering step 5.
Fig. 4 is magnetic pedestal in a kind of embodiment step 5 of the method for easy positioning machine tool turntable rotation axis of the present invention
With the position view of auxiliary ball.
Step 5, as shown in figure 4, the magnetic pedestal 5 with elastic switch is placed in immediately below main shaft, it is high to reduce main shaft 1
It spends, stops reducing main shaft 1 when the auxiliary ball 2 in 1 lower end of main shaft is away from magnetic pedestal 5mm, adjustment magnetic pedestal 5, which ensures that it is located at, to be led
Immediately below axis 1, then reducing by 1 height of main shaft is sucked auxiliary ball 2 by magnetic pedestal 5, locks the elastic switch of magnetic pedestal, record
The coordinate Z of main shaft 10To get arrive turntable coordinate origin (X0, Y0, Z0), and follow the positioning of right-handed Cartesian rectangular coordinate system rule
Axis.
The action and effect of embodiment
The method that the simplicity according to involved in the present embodiment positions turntable rotation axis, because this method is in the process of implementation
In by tool only need an auxiliary ball, magnetic pedestal and amesdial, tool is few and easy to get started, so, operation of the present invention
It is convenient, there is no technical requirements to operator, the time of entire implementation process consumption is short.During actual location, have non-
Often big practicability and popularization.
Further, the method for the positioning of the simplicity according to involved in the present embodiment turntable rotation axis, because of the present embodiment
Basic principle be two points alternate position spike mean value be its central point, circle center away from the distance at the upper any point of circle all
It is equal, therefore be easily understood, understand convenient for operator, better uses method provided in this embodiment.
Further, the method for the positioning of the simplicity according to involved in the present embodiment turntable rotation axis, because of the present embodiment
Middle auxiliary ball is fixed on main shaft by mounting rod, therefore auxiliary ball is more stable in position fixing process, it is not easy to dry by the external world
It disturbs, positioning result is more accurate.
Further, the method for the positioning of the simplicity according to involved in the present embodiment turntable rotation axis, because described in reducing
During the auxiliary ball is sucked by the magnetic pedestal in main shaft, auxiliary ball stops when away from the magnetic pedestal 3-5mm
The main shaft is reduced, adjusting the magnetic pedestal ensures that it is located at immediately below the main shaft, then reduces the main shaft height and make institute
Auxiliary ball is stated to be sucked by the magnetic pedestal.Therefore, this method is more accurate in implementation process, can also protect lathe not by
To excessive vibration.
Above embodiment is preferred case of the invention, the protection scope being not intended to limit the invention.
Claims (5)
1. a kind of method of simplicity positioning machine tool turntable rotation axis, this method are come by auxiliary ball and amesdial to the lathe
The rotation axis of turntable is positioned, and the auxiliary ball is fixed on the main shaft lower end, the auxiliary ball be diameter fix and
With by the sphere of 3 machinery positioning fixed functions, which comprises the steps of:
Step 1, the turntable coordinate (X of coarse adjustment is determinedC, YC) and by the turntable coordinate (X of main axle moving to coarse adjustmentC, YC), it enters step
2；
Step 2, the amesdial is placed on the turntable and touches the contact of the amesdial with auxiliary ball and contour,
Enter step 3；
Step 3, the turntable is rotated by 360 °, amesdial full-scale reading B is recorded in the turntable rotation processmax, thousand points
Table least count BminAnd position and X-axis are square at the amesdial reading maximum and amesdial reading minimum
To angle α, and calculate determine correction after rotation axis coordinate (X0, Y0) and by the main axle moving to correction after rotation
Axis coordinate (X0, Y0), enter step 4；
Step 4, amesdial full-scale reading B in judgment step 3maxWith amesdial least count BminDifference whether be less than or equal to
0.002mm, if it has not, 2 are entered step, if it is, entering step 5；
Step 5, magnetic pedestal is placed in immediately below main shaft, reducing the main shaft inhales the auxiliary ball by the magnetic pedestal
Firmly, fixed magnetic pedestal, records main shaft coordinate Z0To get arrive turntable coordinate origin (X0, Y0, Z0), and establish Descartes right angle seat
Mark system orientation axis,
Wherein, the rotation axis coordinate (X after correction0, Y0) in
2. the method for simplicity positioning machine tool turntable rotation axis according to claim 1, it is characterised in that:
Wherein, auxiliary ball is fixed on main shaft by mounting rod,
Described mounting rod one end is fixed on main shaft, and the other end is provided with the suction base with magnetic supported at three point function.
3. the method for simplicity positioning machine tool turntable rotation axis according to claim 1, it is characterised in that:
Wherein it is determined that X in the turntable coordinate of coarse adjustmentCThe step of it is as follows:
The amesdial is fixed on the X-axis positive direction of turntable in the initial position of turntable by step 1-1, and the mobile main shaft will
The auxiliary ball is moved to the surface of X-axis positive direction and is located at the X-axis negative direction of the amesdial；
Step 1-2 adjusts the main spindle's along X-direction, contacts the auxiliary ball with the amesdial, writes down institute
The reading of amesdial is stated, and the X-coordinate where the main shaft at this time is denoted as X1；
The turntable is rotated 180 ° by step 1-3, and the mobile main shaft moves the auxiliary ball along X-axis negative direction, touches
The amesdial keeps its reading equal with step 1-1, the X-coordinate where the main shaft at this time is denoted as X2；
Step 1-4, according to formulaCalculate the X in the turntable coordinate for determining coarse adjustmentC。
4. the method for simplicity positioning machine tool turntable rotation axis according to claim 1, it is characterised in that:
Wherein it is determined that the Y in the turntable coordinate of coarse adjustmentCThe step of it is as follows:
The amesdial is fixed on the Y-axis positive direction of turntable in the initial position of turntable by step 1-1, and the mobile main shaft will
The auxiliary ball is moved to the surface of Y-axis positive direction and is located at the Y-axis negative direction of the amesdial；
Step 1-2 adjusts the main spindle's along Y direction, contacts the auxiliary ball with the amesdial, writes down institute
The reading of amesdial is stated, and the Y-coordinate where the main shaft at this time is denoted as Y1；
The turntable is rotated 180 ° by step 1-3, and the mobile main shaft moves the auxiliary ball along Y-axis negative direction, touches
The amesdial keeps its reading equal with step 1-1, the Y-coordinate where the main shaft at this time is denoted as Y2；
Step 1-4, according to formulaCalculate the Y in the turntable coordinate for determining coarse adjustmentC。
5. the method for simplicity positioning machine tool turntable rotation axis according to claim 1, it is characterised in that:
Wherein, the method that the auxiliary ball is sucked by the magnetic pedestal in the main shaft is reduced are as follows: the main shaft height is reduced,
Stop reducing the main shaft when auxiliary ball in the main shaft lower end is away from the magnetic pedestal 3-5mm, adjusts the magnetic
Pedestal ensures that it is located at immediately below the main shaft, then reducing the main shaft height inhales the auxiliary ball by the magnetic pedestal
Firmly, then locking magnetic pedestal switchs.
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| CN201910660439.XA CN110388862A (en) | 2019-07-22 | 2019-07-22 | A kind of method of simplicity positioning machine tool turntable rotation axis |
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| CN201910660439.XA CN110388862A (en) | 2019-07-22 | 2019-07-22 | A kind of method of simplicity positioning machine tool turntable rotation axis |
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| CN111043995A (en) * | 2018-10-15 | 2020-04-21 | 北京福田康明斯发动机有限公司 | Method and device for calibrating rotating table of three-coordinate measuring machine |
| CN111750755A (en) * | 2020-06-28 | 2020-10-09 | 珠海格力智能装备有限公司 | Method and device for detecting center position of rotating shaft of cradle rotating platform |
| CN112025412A (en) * | 2020-07-31 | 2020-12-04 | 格致汽车科技股份有限公司 | Rapid determination and correction method for large gantry 3+ 2-axis numerical control machine tool |
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| CN112025412B (en) * | 2020-07-31 | 2021-07-13 | 格致汽车科技股份有限公司 | Rapid determination and correction method for large gantry 3+ 2-axis numerical control machine tool |
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