CN107942942A - A kind of machine tool is applied to the tilt coordinates system method for building up of intersecting inclined plane - Google Patents
A kind of machine tool is applied to the tilt coordinates system method for building up of intersecting inclined plane Download PDFInfo
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- CN107942942A CN107942942A CN201711318588.5A CN201711318588A CN107942942A CN 107942942 A CN107942942 A CN 107942942A CN 201711318588 A CN201711318588 A CN 201711318588A CN 107942942 A CN107942942 A CN 107942942A
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- plane
- coordinate system
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- right deviation
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical 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
- G05B19/408—Numerical 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 data handling or data format, e.g. reading, buffering or conversion of data
- G05B19/4086—Coordinate conversions; Other special calculations
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/35—Nc in input of data, input till input file format
- G05B2219/35356—Data handling
Abstract
The invention discloses the tilt coordinates system method for building up that a kind of machine tool is applied to intersecting inclined plane, include the following steps：The input of S1, adjacent inclined face information：S2, left-leaning inclined-plane method resultant Right deviation inclined-plane method arrow；The calculating of S3, intersection vector；The calculating of S4, tilted workpiece coordinate system；The selection of coordinate system when S5, production：To the left-leaning inclined-plane of processing, then the coordinate system where left-leaning inclined-plane is selected；To processing Right deviation inclined-plane, then the coordinate system where Right deviation inclined-plane is selected；By coordinate system or in point coordinate, be converted in the general coordinate system of numerically-controlled machine tool, so as to instruct processing of the numerically-controlled machine tool to tapered plane.The present invention is applied to the oblique surface machining occasion of Five-axis NC Machining Center, tilt coordinates system suitable for intersecting inclined-plane can be easily set, so as to reduce the work difficulty of operating personnel, mitigate workload, machining accuracy is improved, achievees the purpose that the processing efficiency and processing quality for improving Five-axis NC Machining Center processing inclined plane.
Description
Technical field
The present invention relates to a kind of machine tool, more specifically to phase in Five-axis NC Machining Center and similar machine tool
Hand over the processing of inclined plane.
Background technology
Five-axis NC Machining Center mainly carries out Milling Process with milling cutter to fixed workpiece.Milling refers to use rotating multiple-cutting-edge
Tool in Cutting workpiece.Five-axis NC Machining Center includes three linear axis and the machining center of two rotation axis.Can once it fill
After card workpiece, multiple faces of workpieces processing.Five-axis NC Machining Center has the characteristics of application is flexible, high in machining efficiency.
When Five-axis NC Machining Center is processed multiple faces of workpiece, some machined surfaces are inclined, i.e. machined surfaces
The direction vector of the XYZ axis of method resultant lathe coordinate system is nonopiate, and has intersection between these machined surfaces.These processing
Face is referred to as inclined plane, and intersecting two inclined planes are known as intersecting inclined plane, as shown in Figure 1, L represents left-leaning inclined-plane, R represents right
Inclined plane.
At present main tilt coordinates system method to set up have rotation horn cupping, RPY horn cuppings, projection horn cupping, two vector methods, 3 points
Method etc..These methods mainly set tilt coordinates according to the information of single inclined plane.
Digital control system processing at present is to be carried out for each inclined plane to be separately provided tilt coordinates system N when intersecting inclined plane
Processing, as shown in Fig. 2, then digital control system can control lathe to be processed under this tilt coordinates system, wherein M represents machine
Bed coordinate system.
When needing the intersection and its adjacent part of two inclined planes of processing, incline or the poster processing soft is calculated single
The complicated processing cutter track track of intersection can be processed on inclined-plane coordinate system, otherwise operating personnel oneself are calculated comprising two inclinations
The coordinate system of face intersection carries out simple programming processing.This adds increased the work difficulty and workload of operating personnel, and as behaviour
Since the precision problem of relevant information causes the inclination that calculates when needing oneself to calculate the coordinate system comprising intersection as personnel
The angle precision of coordinate system declines.
For example, when one A45 ° of face and intersecting one B45 ° of face, it is necessary to when processing intersection, it is necessary to set one
Suitable tilt coordinates system., it is necessary to find the coordinate of two points up and down of this oblique line according to design drawing under usual condition, meter
A vector is calculated, is sweared further according to the method for inclined plane, tilt coordinates system is set by two vector methods.Then lathe can be along
The X-axis processing intersection and near zone of this tilt coordinates system.
The method operation calculates comparatively laborious complexity, simultaneously because the coordinate precision of given point up and down is four after decimal point
Position, the Z axis vector for causing the tilt coordinates system calculated are not fully overlapped with left or Right deviation inclined-plane normal vector, had
Certain angular deviation.Site operation personnel needs a kind of simpler directly accurate method to set the coordinate system of needs.
The content of the invention
The present invention is for following problem existing for Five-axis NC Machining Center oblique surface machining：The acquisition of adjacent inclined face information, hand over
The calculating of line vector, and the calculating and setting of tilt coordinates system, there is provided a kind of tilt coordinates system method for building up, it is intended to the side of reaching
Tilt coordinates system is just set, reduces work difficulty, mitigates workload, improves the purpose of machining accuracy.
In order to achieve the above object, the present invention provides the tilt coordinates system that a kind of machine tool is applied to intersecting inclined plane
Method for building up, includes the following steps：
The input of S1, adjacent inclined face information：
The information of inclined plane inputs A by G code, and B, C are realized, wherein, A is world coordinate system of the tilt coordinates by lathe
Being obtained around its X-axis rotation A angles, B is that tilt coordinates are obtained by the world coordinate system of lathe around its Y-axis rotation B angles,
C is that tilt coordinates are obtained by the world coordinate system of lathe around its Z axis rotation C angles；
Left-leaning inclined-plane inputs A1, B1, C1；Right deviation inclined-plane inputs A2, B2, C2；
The method arrow of S2, left-leaning inclined-planeSweared with the method on Right deviation inclined-plane
The calculating of S3, intersection vector：
The calculating of S4, tilted workpiece coordinate system
The two kinds of tilt coordinates systems in left and right are set, and a coordinate system is on left-leaning inclined-plane, and a coordinate system is on Right deviation inclined-plane；
Coordinate system on left-leaning inclined-plane usesWith, coordinate system M is built according to two vector methodsL；Coordinate on Right deviation inclined-plane
System usesWith, coordinate system M is built according to two vector methodsR；
Wherein,
Wherein,
The selection of coordinate system when S5, production：
To the left-leaning inclined-plane of processing, then the coordinate system M where left-leaning inclined-plane is selectedL；To processing Right deviation inclined-plane, then select
Coordinate system M where Right deviation inclined-planeR；
By coordinate system MLOr MRIn point coordinate, be converted in the general coordinate system of numerically-controlled machine tool, so as to instruct number
Control processing of the lathe to tapered plane.
The present invention is applied to the oblique surface machining occasion of Five-axis NC Machining Center, can easily set suitable for intersecting inclined-plane
Tilt coordinates system, so as to reduce the work difficulty of operating personnel, mitigates workload, improves machining accuracy, reaches five axis of raising and adds
The processing efficiency of work center processing inclined plane and the purpose of processing quality.
Brief description of the drawings
Fig. 1 is intersecting inclined plane schematic diagram.
Fig. 2 is tilt coordinates system schematic diagram.
Fig. 3 is intersecting inclined plane definition figure.
Fig. 4 is left-leaning oblique coordinates system definition figure.
Fig. 5 is Right deviation oblique coordinates system definition figure.
Fig. 6 is flow diagram of the present invention.
Embodiment
The technical scheme is that digital control system is calculated with two inclined planes automatically according to the information of adjacent two inclined plane
Intersection is X-axis, establishes two tilt coordinates systems respectively using the normal vector on lateral tilting inclined-plane as Z axis, specifically as in Figure 3-5.
First, the input of adjacent inclined face information
The input of adjacent inclined face information is realized by G code, and A1, B1, C1, A2, B2, C2 are inputted using G code.Wherein
A1, B1, C1 are the angle for defining left-leaning oblique coordinates system in adjacent two inclined plane, and A2, B2, C2 define the right side in adjacent two inclined plane
The angle of tilt coordinates system.
The input of adjacent inclined face information is realized by G code, is realized using G code input A, B, C.Here the implication of A
It is that tilt coordinates are obtained by the world coordinate system of lathe around its X-axis rotation A angles, B is meant that tilt coordinates by machine
Bed world coordinate system around its Y-axis rotation B angles obtain, C be meant that tilt coordinates by lathe world coordinate system around
Its Z axis rotation C angles to obtain.
Calculate the method arrow on left-leaning inclined-plane
The method arrow on Right deviation inclined-plane can similarly be calculated
2nd, the calculating of intersection vector
The intersection vector of inclined plane is calculated by the method arrow on adjacent two inclined-plane, since the intersection is oblique left and right two at the same time
On face, so it is all orthogonal with the method arrow on two inclined-planes, therefore multiplication cross can be carried out with two method arrows and obtain the vector of intersection
3rd, the calculating of tilted workpiece coordinate system
The present invention needs to set according to demand the two kinds of tilt coordinates systems in left and right, a coordinate system on left-leaning inclined-plane,
One coordinate system is on Right deviation inclined-plane.
Coordinate system on left-leaning inclined-plane usesWithCoordinate system M is built according to two vector methodsL.On Right deviation inclined-plane
On coordinate system useWith, coordinate system M is built according to two vector methodsR。
Wherein,
Wherein,
4th, the selection of coordinate system
The coordinate system generated is selected in previous step, in production, to the left-leaning inclined-plane of processing, then selects left-leaning inclined-plane institute
Coordinate system ML；To processing Right deviation inclined-plane, then the coordinate system M where Right deviation inclined-plane is selectedR.5th, the coordinate system of foundation is utilized
To instruct to process：
The coordinate system M that will be selected in the previous stepLOr MRIn point coordinate, be converted to the general seat of numerically-controlled machine tool
Mark in system, the coordinate system M so selectedLOr MRIncluded in the coordinate put also be converted to the general coordinate system of numerically-controlled machine tool
In, instruct numerically-controlled machine tool to be processed production to this left-leaning tapered plane or Right deviation tapered plane with this.
In GNC61 digital control systems, the inclination of intersecting inclined plane is set to sit using G code G522A_B_C_D_E_F_P_
Mark system.Wherein A_B_C_ is used for inputting the A1 on left-leaning inclined-plane, B1, C1 angles, and D_E_F_ is used for inputting A2, the B2 on Right deviation inclined-plane,
C2 angles.The value of P only has 0 or 1, is used to specify left bank areal coordinate system or right bank areal coordinate system.Flow chart such as Fig. 6 institutes
Show：
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope of present disclosure, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (1)
1. a kind of machine tool is applied to the tilt coordinates system method for building up of intersecting inclined plane, it is characterised in that including following step
Suddenly：
The input of S1, adjacent inclined face information：
The information of inclined plane inputs A by G code, and B, C are realized, wherein, A be tilt coordinates by lathe world coordinate system around
Its X-axis rotation A angles obtain, and B is that tilt coordinates are obtained by the world coordinate system of lathe around its Y-axis rotation B angles, and C is
Tilt coordinates are obtained by the world coordinate system of lathe around its Z axis rotation C angles；
Left-leaning inclined-plane inputs A1, B1, C1；Right deviation inclined-plane inputs A2, B2, C2；
The method arrow of S2, left-leaning inclined-planeSweared with the method on Right deviation inclined-plane
The calculating of S3, intersection vector：
The calculating of S4, tilted workpiece coordinate system
The two kinds of tilt coordinates systems in left and right are set, and a coordinate system is on left-leaning inclined-plane, and a coordinate system is on Right deviation inclined-plane；On a left side
Coordinate system in inclined plane usesWithCoordinate system M is built according to two vector methodsL；Coordinate system on Right deviation inclined-plane makes
WithWithCoordinate system M is built according to two vector methodsR；
Wherein,
Wherein,
The selection of coordinate system when S5, production：
To the left-leaning inclined-plane of processing, then the coordinate system M where left-leaning inclined-plane is selectedL；To processing Right deviation inclined-plane, then Right deviation is selected
Coordinate system M where inclined-planeR；
By coordinate system MLOr MRIn point coordinate, be converted in the general coordinate system of numerically-controlled machine tool, so as to instruct numerical control machine
Processing of the bed to tapered plane.
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| CN201711318588.5A CN107942942B (en) | 2017-12-12 | 2017-12-12 | Inclined coordinate system establishing method applied to intersected inclined planes of machine tool equipment |
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| CN201711318588.5A CN107942942B (en) | 2017-12-12 | 2017-12-12 | Inclined coordinate system establishing method applied to intersected inclined planes of machine tool equipment |
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| CN107942942A true CN107942942A (en) | 2018-04-20 |
| CN107942942B CN107942942B (en) | 2020-05-05 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112506347A (en) * | 2020-12-10 | 2021-03-16 | 中国科学院沈阳计算技术研究所有限公司 | Mixed reality interaction method for monitoring machining process |
| CN114740801A (en) * | 2022-03-21 | 2022-07-12 | 成都飞机工业（集团）有限责任公司 | Base coordinate system establishing method for installation of numerical control equipment group collaborative production line |
| CN116000699A (en) * | 2023-03-28 | 2023-04-25 | 中科航迈数控软件(深圳)有限公司 | Quick inclined coordinate system definition method and device suitable for double swinging heads |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112506347A (en) * | 2020-12-10 | 2021-03-16 | 中国科学院沈阳计算技术研究所有限公司 | Mixed reality interaction method for monitoring machining process |
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