CN109254561B - Testing device and testing method for testing post-processing part - Google Patents
Testing device and testing method for testing post-processing part Download PDFInfo
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- CN109254561B CN109254561B CN201810864554.4A CN201810864554A CN109254561B CN 109254561 B CN109254561 B CN 109254561B CN 201810864554 A CN201810864554 A CN 201810864554A CN 109254561 B CN109254561 B CN 109254561B
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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
- G05B19/401—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 control arrangements for measuring, e.g. calibration and initialisation, measuring workpiece for machining purposes
Abstract
The invention discloses a testing device for testing a post-processing part, which comprises a device body in the shape of a regular quadrangular frustum, wherein three side surfaces of the device body are provided with inclined surface holes, and the side surface without the inclined surface holes is provided with an inclined surface frustum; the top surface of the device body is provided with a plane hole. And performing numerical control programming on different structural characteristics in the test model to obtain a corresponding tool position track, and processing and converting the tool position track by post-processing software to form a numerical control program which can be identified by a numerical control machine. And comparing the tool position track of the numerical control program generated by the post-processing with the programming track in the test model, and verifying the correctness of the post-processing conversion calculation result.
Description
Technical Field
The invention relates to the technical field of part testing, in particular to a testing device and a testing method for testing a post-processing part.
Background
The post-processing is a process of converting a tool path file generated by programming software into an NC file executable by a numerical control machine tool, and is an indispensable key process for connecting the machine tool with a process program. At present, the correctness of a post-processing result is judged mainly by comparing the conformity of the tool bit track in the processed NC file and a test model. Due to the lack of a standard test model for testing and verifying the post-processing, the common test model has incomplete structural features, and the functions of coordinate conversion, over-travel cutter lifting, cycle output and the like in the post-processing process cannot be verified comprehensively.
Disclosure of Invention
The invention aims to provide a testing device and a testing method for testing a post-processing part, which can verify the functions of coordinate conversion, cycle output and the like and test the correctness of the processing result of post-processing software.
The invention is realized by the following technical scheme: a testing device for testing a post-processing part comprises a device body in the shape of a regular quadrangular frustum, wherein three side surfaces of the device body are provided with inclined surface holes, and the side surface without the inclined surface holes is provided with an inclined surface frustum; the top surface of the device body is provided with a plane hole.
Further, to better practice the invention, the central axis of the beveled hole on each of the sides is perpendicular to the sides thereof.
Further, in order to better implement the present invention, the central axis of the long direction of the planar hole is perpendicular to the top surface.
Further, in order to better implement the invention, the axis of the inclined frustum is perpendicular to the side surface without the inclined hole.
A testing method of a testing device for testing a post-processing part specifically comprises the following steps:
step S1: the method comprises the following steps of compiling plane machining parameters in a machining coordinate system by using an absolute coordinate system and in a mode that the axis of a cutter is vertical to a plane under the machining coordinate system, and outputting a tool path file in a point position mode and a circular arc mode; after post-processing, checking whether the numerical control tool path is consistent with a programming track;
step S2: under a machining coordinate system, compiling bevel machining parameters in a mode that the axis of a cutter is vertical to a bevel, and outputting a tool path file in a point location mode; after post-processing, checking whether the numerical control tool path is consistent with a programming track;
step S3: establishing a sub-coordinate system, wherein the Z axis of a sub-coordinate axis is vertical to the inclined plane, compiling inclined plane processing parameters in a mode that the axis of a cutter is vertical to the inclined plane under the sub-coordinate system, and outputting a tool path file in a point position mode and a circular arc mode; and after post-processing, checking whether the numerical control tool path is consistent with a programming track.
Step S4: compiling plane hole processing parameters in a drilling, boring and thread milling mode under a processing coordinate system parallel to an absolute coordinate system, and outputting a tool path file in a point location mode and a circulation mode; and after post-processing, checking whether the numerical control tool path is consistent with a programming track.
Step S5: under a machining coordinate system, compiling inclined plane hole machining parameters in a drilling, boring and thread milling mode, and outputting a tool path file in a point location mode; and after post-processing, checking whether the numerical control tool path is consistent with a programming track.
Step S6: establishing a sub-coordinate system, wherein the Z axis of a sub-coordinate axis is vertical to the inclined plane, compiling inclined plane hole processing parameters in a drilling, boring and thread milling mode under the sub-coordinate system, and outputting a tool path file in a point location mode and a circulation mode; and after post-processing, checking whether the numerical control tool path is consistent with a programming track.
Step S7: compiling conical surface processing parameters in a mode that the axis of a cutter is parallel to the tangent line of the conical surface under a processing coordinate system, and outputting a tool path file in a point location mode; and after post-processing, checking whether the numerical control tool path is consistent with a programming track.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) according to the invention, numerical control programming is carried out on different structural characteristics to obtain corresponding tool position tracks, and the tool position tracks are processed and converted by post-processing software to form a numerical control program which can be identified by a numerical control machine;
(2) according to the invention, the accuracy of the post-processing conversion calculation result is verified by comparing the tool position track of the numerical control program generated by the post-processing with the programming track in the test model.
Drawings
FIG. 1 is a schematic structural diagram of a testing apparatus according to the present invention;
FIG. 2 is a schematic plan view of the present invention;
FIG. 3 is a schematic side view of the test of the present invention;
FIG. 4 is a schematic side sub-coordinate test of the present invention;
FIG. 5 is a schematic view of a test of a planar aperture according to the present invention;
FIG. 6 is a schematic view of the inclined hole test according to the present invention;
FIG. 7 is a schematic view of a conical surface test according to the present invention;
wherein 1-device body, 2-top surface, 3-side surface, 4-plane hole, 5-inclined surface hole and 6-inclined surface frustum.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.
Example 1:
the invention is realized by the following technical scheme, as shown in fig. 1-7:
a testing device for testing a post-processing part comprises a device body 1 in the shape of a regular quadrangular frustum, wherein three side surfaces 3 of the device body 1 are provided with inclined surface holes 5, and the side surface 3 without the inclined surface holes 5 is provided with an inclined surface frustum 6; the top surface 2 of the device body 1 is provided with a planar hole 4.
Further, in order to better implement the present invention, the central axis of the inclined hole 5 on each side surface 3 is perpendicular to the side surface 3.
Further, in order to better implement the present invention, the central axis of the long direction of the plane hole 4 is perpendicular to the top surface.
Further, for better realization of the invention, the axis of the beveled frustum 6 is perpendicular to the side 3 where the beveled hole 5 is not provided.
It should be noted that, with the above modification, the top surface 2 is a surface parallel to the XY plane or the YZ plane or the ZX plane in the absolute coordinate system.
The side surface 3 is a surface which is not parallel to the XY plane, the YZ plane and the ZX plane under the absolute coordinate system.
The planar hole 4 is a hole whose central axis is parallel to the X axis or parallel to the Y axis or parallel to the Z axis in the absolute coordinate system.
The inclined hole is a hole whose central axis is not parallel to the X axis and the Y axis and the Z axis in the absolute coordinate system.
The inclined frustum 6 is a cone frustum whose central axis is parallel to the normal vector of its mounting side 3.
An absolute coordinate system is a coordinate system where all coordinates are based on a description of the location of a fixed coordinate system origin. An absolute coordinate is a fixed coordinate position with which the coordinates of the point input do not differ from one reference object to another.
Other parts of this embodiment are the same as those of the above embodiment, and thus are not described again.
Example 2:
the present embodiment is further optimized based on the above-mentioned embodiments, as shown in fig. 1,
a testing method of a testing device for testing a post-processing part specifically comprises the following steps:
step S1: as shown in fig. 2, an absolute coordinate system is used as a machining coordinate system, plane machining parameters are compiled in a mode that the axis of a cutter is perpendicular to a plane under the machining coordinate system, and a tool path file is output in two modes of point location and circular arc; after post-processing, checking whether the numerical control tool path is consistent with a programming track;
step S2: as shown in fig. 3, in a machining coordinate system, the bevel machining parameters are compiled in a manner that the axis of the tool is perpendicular to the bevel, and a tool path file is output in a point location mode; after post-processing, checking whether the numerical control tool path is consistent with a programming track;
step S3: as shown in fig. 4, a sub-coordinate system is established, wherein the Z axis of the sub-coordinate axis is perpendicular to the inclined plane, under the sub-coordinate system, the inclined plane processing parameters are compiled in a manner that the axis of the tool is perpendicular to the inclined plane, and tool path files are output in two modes, namely point location and circular arc; and after post-processing, checking whether the numerical control tool path is consistent with a programming track.
Step S4: as shown in fig. 5, the processing parameters of the plane hole 4 are compiled in a drilling, boring and thread milling manner under a processing coordinate system parallel to an absolute coordinate system, and a tool path file is output in a point location mode and a circulation mode; and after post-processing, checking whether the numerical control tool path is consistent with a programming track.
Step S5: as shown in fig. 6, in a machining coordinate system, machining parameters of the bevel hole 5 are compiled in a drilling, boring and thread milling manner, and a tool path file is output in a point location mode; and after post-processing, checking whether the numerical control tool path is consistent with a programming track.
Step S6: as shown in fig. 6, a sub-coordinate system is established, wherein the Z axis of the sub-coordinate axis is perpendicular to the inclined plane, under the sub-coordinate system, the machining parameters of the inclined plane hole 5 are compiled in a drilling, boring and thread milling mode, and tool path files are output in a point location mode and a circulation mode; and after post-processing, checking whether the numerical control tool path is consistent with a programming track.
Step S7: as shown in fig. 7, in a machining coordinate system, conical surface machining parameters are compiled in a manner that the axis of a cutter is parallel to a tangent line of a conical surface, and a tool path file is output in a point location mode; and after post-processing, checking whether the numerical control tool path is consistent with a programming track.
It should be noted that, through the above improvement, the functions of coordinate conversion, cycle output, etc. can be verified through the test method, and the correctness of the processing result of the post-processing software is tested.
And performing numerical control programming on different structural characteristics in the test model to obtain a corresponding tool position track, and processing and converting the tool position track by post-processing software to form a numerical control program which can be identified by a numerical control machine.
And comparing the tool position track of the numerical control program generated by the post-processing with the programming track in the test model, and verifying the correctness of the post-processing conversion calculation result.
Other parts of this embodiment are the same as those of the above embodiment, and thus are not described again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
Claims (4)
1. The utility model provides a testing arrangement to test post-processing part which characterized in that: the device comprises a device body (1) in the shape of a regular quadrangular frustum, wherein three side surfaces (3) of the device body (1) are provided with inclined surface holes (5), and the side surface (3) which is not provided with the inclined surface holes (5) is provided with an inclined surface frustum (6); the top surface (2) of the device body (1) is provided with a plane hole (4);
the method specifically comprises the following steps:
step S1: the method comprises the following steps of compiling plane machining parameters in a machining coordinate system by using an absolute coordinate system and in a mode that the axis of a cutter is vertical to a plane under the machining coordinate system, and outputting a tool path file in a point position mode and a circular arc mode; after post-processing, checking whether the numerical control tool path is consistent with a programming track;
step S2: under a machining coordinate system, compiling bevel machining parameters in a mode that the axis of a cutter is vertical to a bevel, and outputting a tool path file in a point location mode; after post-processing, checking whether the numerical control tool path is consistent with a programming track;
step S3: establishing a sub-coordinate system, wherein the Z axis of a sub-coordinate axis is vertical to the inclined plane, compiling inclined plane processing parameters in a mode that the axis of a cutter is vertical to the inclined plane under the sub-coordinate system, and outputting a tool path file in a point position mode and a circular arc mode; after post-processing, checking whether the numerical control tool path is consistent with a programming track;
step S4: compiling the machining parameters of the plane hole (4) in a drilling, boring and thread milling mode under a machining coordinate system parallel to an absolute coordinate system, and outputting a tool path file in a point location mode and a circulation mode; after post-processing, checking whether the numerical control tool path is consistent with a programming track;
step S5: under a machining coordinate system, working parameters of the bevel hole (5) are compiled in a drilling, boring and thread milling mode, and a tool path file is output in a point position mode; after post-processing, checking whether the numerical control tool path is consistent with a programming track;
step S6: establishing a sub-coordinate system, wherein the Z axis of a sub-coordinate axis is vertical to the inclined plane, compiling machining parameters of an inclined plane hole (5) in a drilling, boring and thread milling mode under the sub-coordinate system, and outputting a tool path file in a point location mode and a circulation mode; after post-processing, checking whether the numerical control tool path is consistent with a programming track;
step S7: compiling conical surface processing parameters in a mode that the axis of a cutter is parallel to the tangent line of the conical surface under a processing coordinate system, and outputting a tool path file in a point location mode; and after post-processing, checking whether the numerical control tool path is consistent with a programming track.
2. A test apparatus for testing a post-processed part according to claim 1, wherein: the central axis of the inclined hole (5) on each side surface (3) is vertical to the side surface (3) thereof.
3. A test apparatus for testing a post-processed part according to claim 2, wherein: the central axis of the plane hole (4) in the long direction is vertical to the top surface (2).
4. A test apparatus for testing a post-processed part according to claim 3, wherein: the axis of the inclined plane frustum (6) is vertical to the side surface (3) which is not provided with the inclined plane hole (5).
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| EP3242179A1 (en) * | 2016-05-02 | 2017-11-08 | Siemens Aktiengesellschaft | Method for processing a workpiece |
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| CN101825884B (en) * | 2009-12-17 | 2012-09-12 | 成都飞机工业（集团）有限责任公司 | Method for realizing five-axis five-linkage track control with five-axis four-linkage numerical control system |
| CN107741730B (en) * | 2017-08-24 | 2019-12-13 | 上海拓璞数控科技股份有限公司 | thin-wall part real-time measuring system and method |
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| CN105252342A (en) * | 2015-10-26 | 2016-01-20 | 电子科技大学 | Detection test piece and method for detecting curved surface processing capacity of five-axis numerical control machine tool |
| EP3242179A1 (en) * | 2016-05-02 | 2017-11-08 | Siemens Aktiengesellschaft | Method for processing a workpiece |
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