CN111650880B - Programming method for batch creation of deburring tool path based on UG/NX - Google Patents
Programming method for batch creation of deburring tool path based on UG/NX Download PDFInfo
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- CN111650880B CN111650880B CN202010413704.7A CN202010413704A CN111650880B CN 111650880 B CN111650880 B CN 111650880B CN 202010413704 A CN202010413704 A CN 202010413704A CN 111650880 B CN111650880 B CN 111650880B
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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
- G05B19/19—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 positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
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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
- G05B19/4093—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 part programming, e.g. entry of geometrical information as taken from a technical drawing, combining this with machining and material information to obtain control information, named part programme, for the NC machine
- G05B19/40931—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 part programming, e.g. entry of geometrical information as taken from a technical drawing, combining this with machining and material information to obtain control information, named part programme, for the NC machine concerning programming of geometry
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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
- G05B19/4093—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 part programming, e.g. entry of geometrical information as taken from a technical drawing, combining this with machining and material information to obtain control information, named part programme, for the NC machine
- G05B19/40937—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 part programming, e.g. entry of geometrical information as taken from a technical drawing, combining this with machining and material information to obtain control information, named part programme, for the NC machine concerning programming of machining or material parameters, pocket machining
- G05B19/40938—Tool management
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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
- G05B2219/45—Nc applications
- G05B2219/45136—Turning, lathe
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- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Geometry (AREA)
- Numerical Control (AREA)
Abstract
The invention discloses a programming method for creating a deburring tool path track in batches based on UG/NX, which comprises the following steps: a. creating a part geometric three-dimensional model; b. creating a deburring cutter; c. creating a depth profile machining programming operation; d. translating the generated tool path track by a chamfer value of C0.3 along the negative plane of the Z axis; e. and checking whether the bottom of the tool path is over-cut or not, if so, avoiding the situation by designating a cutting area, then supplementing a programming operation program by adopting a conventional programming method to finish the deburring programming of the whole part, and if not, finishing the deburring programming. The problems of low programming efficiency, high labor intensity and the like of a programmer of the conventional programming method can be solved.
Description
Technical Field
The invention belongs to the technical field of numerical control programming, and particularly relates to a programming method for creating deburring tool path tracks in batches based on UG/NX.
Background
In the process of machining the appearance of the part, a large amount of materials are removed, burrs are inevitably generated, the burrs are visually identified by naked eyes, the position is exposed, the detection, assembly, service performance, working life and the like of the part can be influenced by the problem of the burrs, and a proper method is required to be adopted to remove the burrs in the machining process. At present, machine-added part deburring is mainly achieved through manual deburring by a bench worker. The manual deburring has many defects, the labor cost is high, the working efficiency is low, and the deburring becomes a bottleneck process of production; meanwhile, manual deburring depends on the skill level of an operator, human factors are large, the state consistency of the machined part is poor, appearance problems such as scratch and the like are easily generated, the product quality is influenced, and even the part is scrapped.
In order to solve the problems of low efficiency and the like of the traditional manual deburring, a numerical control machining deburring process method is adopted on a machining center, but at present, the programming of the numerical control machining deburring is realized by selecting edge line segments of a machined part in a CAM system such as UG and the like in a layering and one-by-one mode to create a tool path track.
Disclosure of Invention
In order to solve the problems, the invention provides a programming method for creating deburring tool path tracks in batches based on UG/NX, which can solve the problems of low programming efficiency, high labor intensity and the like of a programmer of the conventional programming method.
The invention is realized by the following technical scheme.
A programming method for batch creation of deburring tool paths based on UG/NX is characterized in that: the method comprises the following steps:
a. creating a programming component: creating a part geometric body three-dimensional model according to a product drawing, and creating an oblique angle characteristic on a top surface edge of the part geometric body model;
b. creating a deburring cutter, wherein the parameters comprise geometric parameters of the cutter and holder parameters of the cutter;
the geometrical parameters of the cutter comprise the diameter d of the cutter, the cutting edge La of the cutter, the length L of the cutter and the radius R of the cutter;
la = L = R;
the parameters of the cutter holder comprise the diameter of the holder Ld, the offset value K, the radius of the cutter R and the depth of the lower cutter H;
said Ld = d +1, K = R-H;
c. creating a depth profile machining programming operation comprising geometric parameters and cutting parameters;
the geometric body parameters comprise that a part geometric body model is selected as a designated part in a programming operation, and all surfaces of a part geometric body are selected as designated cutting areas in the operation by using a frame selection method;
the cutting parameters comprise a set cutter cutting depth parameter, wherein the cutting depth = a lower cutter depth H;
selecting 'checking tool and holder' from cutting parameters;
the "tool holder" safety distance is set to "0";
determining, finishing the operation creation and generating a tool path track of the top surface of the part geometric body;
d. editing a tool path track: selecting the generated tool path track through a right mouse button, and translating the tool path track by a C chamfer value of 0.3mm along the negative direction of the Z axis according to the operation steps of 'object- > transformation- > translation';
e. and checking whether the bottom of the tool path is over-cut or not, if so, avoiding the over-cut by using a designated cutting area, then supplementing a programming operation program by adopting a conventional programming method to finish the deburring programming of the whole part, and if not, finishing the deburring programming.
In the step b, when the diameter Ld of the clamp clamps the cutter, a gap is reserved in the diameter direction of the cutter, and the gap =0.5 mm.
In step c, the specific steps of the 'designating cutting area' are as follows:
s1, pressing a shift key of the keyboard, and clicking the surface of the part where the cutter path track is generated to cancel the edge processing of the surface;
s2, determining, finishing the operation creation and generating a tool path track of the top surface of the part geometric body;
the processing steps for eliminating the edge processing of the surface are as follows:
p1, creating a PLANAR PROFILE milling (PLANAR _ PROFILE) programming operation, including geometry parameters, cutting parameters;
the geometric parameters comprise that unprocessed edges are selected one by one to serve as specified component boundaries in programming operation, specifically, after a first edge is selected, clicking to create a next boundary in the programming operation, then selecting a second edge, clicking to create a next boundary in the programming operation, and pushing a third edge and a fourth edge … … in a secondary manner until all unprocessed edges are selected; and selecting the plane where the machined edge is located as the programming bottom surface of the part.
The cutting parameter 'part allowance' is set to be minus allowance-0.3, namely equal to the deburring C chamfer value of 0.3 mm; the allowance of the bottom surface is set to be negative allowance-2, namely the depth of the lower cutter is 2mm, the depth of the lower cutter is determined according to the Z-direction space range of the processed edge, and the part cannot be cut excessively.
And P2, determining, completing the operation creation, and generating a deburring tool path track of the partial top surface of the part geometry.
The invention has the beneficial effects.
1. The programming deburring tool path track of the machined part is created through medium and high precision machining operation (ZLEVELPROFILE) of the CAM module of UG NX, the whole part is selected as a machined object only by one key, and the creation of the programming deburring tool path track can be completed, so that the complex operation of selecting the edge line segment of the machined part in a layering and strip-by-strip mode is omitted, the programming efficiency of a programmer is improved, and the labor intensity is reduced.
2. A safety clearance of 0.5mm is reserved during clamping of the cutter, when the cutter is fed, the clamp holder for clamping the cutter is prevented from colliding with the part, and the integrity of the equipment and the part is guaranteed.
Drawings
FIG. 1 is a three-dimensional view of a part of the present invention.
Fig. 2 is a schematic view of a deburring tool.
FIG. 3 is a schematic diagram of the path of a tool to deburr a part.
Detailed Description
Example 1
As shown in fig. 1 to 3, a programming method for batch creation of a deburring tool path based on UG/NX is characterized in that: the method comprises the following steps:
a. creating a programming component: creating a part geometric body three-dimensional model according to a product drawing, and creating an oblique angle characteristic on a top surface edge of the part geometric body model;
b. creating a deburring cutter, wherein the parameters comprise geometric parameters of the cutter and holder parameters of the cutter;
the geometrical parameters of the cutter comprise the diameter d of the cutter, the cutting edge La of the cutter, the length L of the cutter and the radius R of the cutter;
la = L = R;
the parameters of the cutter holder comprise the diameter of the holder Ld, the offset value K, the radius of the cutter R and the depth of the lower cutter H;
said Ld = d +1, K = R-H;
c. creating a depth profile machining programming operation comprising geometric parameters and cutting parameters;
the geometric body parameters comprise that a part geometric body model is selected as a designated part in a programming operation, and all surfaces of a part geometric body are selected as designated cutting areas in the operation by using a frame selection method;
the cutting parameters comprise a set cutter cutting depth parameter, wherein the cutting depth = a lower cutter depth H;
selecting 'checking tool and holder' from cutting parameters;
the "tool holder" safety distance is set to "0";
determining, finishing the operation creation and generating a tool path track of the top surface of the part geometric body;
d. editing a tool path track: selecting the generated tool path track through a right mouse button, and translating the tool path track by a C chamfer value of 0.3mm along the negative direction of the Z axis according to the operation steps of 'object- > transformation- > translation';
e. and checking whether the bottom of the tool path is over-cut or not, if so, avoiding the over-cut by using a designated cutting area, then supplementing a programming operation program by adopting a conventional programming method to finish the deburring programming of the whole part, and if not, finishing the deburring programming.
In the step b, when the diameter Ld of the clamp clamps the cutter, a gap is reserved in the diameter direction of the cutter, and the gap =0.5 mm.
In step c, the specific steps of the 'designating cutting area' are as follows:
s1, pressing a shift key of the keyboard, and clicking the surface of the part where the cutter path track is generated to cancel the edge processing of the surface;
s2, determining, finishing the operation creation and generating a tool path track of the top surface of the part geometric body;
the processing steps for eliminating the edge processing of the surface are as follows:
p1, creating a PLANAR PROFILE milling (PLANAR _ PROFILE) programming operation, including geometry parameters, cutting parameters;
the geometric parameters comprise that unprocessed edges are selected one by one to serve as specified component boundaries in programming operation, specifically, after a first edge is selected, clicking to create a next boundary in the programming operation, then selecting a second edge, clicking to create a next boundary in the programming operation, and pushing a third edge and a fourth edge … … in a secondary manner until all unprocessed edges are selected; and selecting the plane where the machined edge is located as the programming bottom surface of the part.
The cutting parameter 'part allowance' is set to be minus allowance-0.3, namely equal to the deburring C chamfer value of 0.3 mm; the allowance of the bottom surface is set to be negative allowance-2, namely the depth of the lower cutter is 2mm, the depth of the lower cutter is determined according to the Z-direction space range of the processed edge, and the part cannot be cut excessively.
And P2, determining, completing the operation creation, and generating a deburring tool path track of the partial top surface of the part geometry.
The programming deburring tool path track of the machined part is created through medium and high precision machining operation (ZLEVELPROFILE) of the CAM module of UG NX, the whole part is selected as a machined object only by one key, and the creation of the programming deburring tool path track can be completed, so that the complex operation of selecting the edge line segment of the machined part in a layering and strip-by-strip mode is omitted, the programming efficiency of a programmer is improved, and the labor intensity is reduced.
A safety clearance of 0.5mm is reserved during clamping of the cutter, when the cutter is fed, the clamp holder for clamping the cutter is prevented from colliding with the part, and the integrity of the equipment and the part is guaranteed.
The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.
Claims (4)
1. A programming method for batch creation of deburring tool paths based on UG/NX is characterized in that: the method comprises the following steps:
a. creating a programming component: creating a part geometric body three-dimensional model according to a product drawing, and creating an oblique angle characteristic on a top surface edge of the part geometric body model;
b. creating a deburring cutter, wherein the parameters comprise geometric parameters of the cutter and holder parameters of the cutter;
the geometrical parameters of the cutter comprise the diameter d of the cutter, the cutting edge La of the cutter, the length L of the cutter and the radius R of the cutter;
la = L = R;
the parameters of the cutter holder comprise the diameter of the holder Ld, the offset value K, the radius of the cutter R and the depth of the lower cutter H;
said Ld = d +1, K = R-H;
c. creating a depth profile machining programming operation comprising geometric parameters and cutting parameters;
the geometric body parameters comprise that a part geometric body model is selected as a designated part in a programming operation, and all surfaces of a part geometric body are selected as designated cutting areas in the operation by using a frame selection method;
the cutting parameters comprise a set cutter cutting depth parameter, wherein the cutting depth = a lower cutter depth H;
selecting 'checking tool and holder' from cutting parameters;
the "tool holder" safety distance is set to "0";
determining, finishing the operation creation and generating a tool path track of the top surface of the part geometric body;
d. editing a tool path track: selecting the generated tool path track through a right mouse button, and translating the tool path track by a C chamfer value of 0.3mm along the negative direction of the Z axis according to the operation steps of 'object- > transformation- > translation';
e. and checking whether the bottom of the tool path is over-cut or not, if so, avoiding the over-cut by using a designated cutting area, then supplementing a programming operation program by adopting a conventional programming method to finish the deburring programming of the whole part, and if not, finishing the deburring programming.
2. The programming method for batch creation of deburring tool paths based on UG/NX as claimed in claim 1, wherein: in the step b, when the diameter Ld of the clamp clamps the cutter, a gap is reserved in the diameter direction of the cutter, and the gap =0.5 mm.
3. The programming method for batch creation of deburring tool paths based on UG/NX as claimed in claim 1, wherein: in step c, the specific steps of the 'designating cutting area' are as follows:
s1, pressing a shift key of the keyboard, and clicking the surface of the part where the cutter path track is generated to cancel the edge processing of the surface;
and S2, determining, finishing the operation creation and generating a tool path track of the top surface of the part geometry.
4. The programming method for batch creation of deburring tool paths based on UG/NX as claimed in claim 3, wherein: the processing steps for eliminating the edge processing of the surface are as follows:
p1, creating a PLANAR PROFILE milling (PLANAR _ PROFILE) programming operation, including geometry parameters, cutting parameters;
the geometric parameters comprise that unprocessed edges are selected one by one to serve as specified component boundaries in programming operation, specifically, after a first edge is selected, clicking to create a next boundary in the programming operation, then selecting a second edge, clicking to create a next boundary in the programming operation, and pushing a third edge and a fourth edge … … in a secondary manner until all unprocessed edges are selected; selecting a plane where a machined edge is located as a part programming bottom surface;
the cutting parameter 'part allowance' is set to be minus allowance-0.3, namely equal to the deburring C chamfer value of 0.3 mm; the margin of the bottom surface is set as negative margin-2, namely the depth of the lower cutter is 2mm, the depth of the lower cutter is determined according to the Z-direction space range of the processed edge, and the part cannot be cut excessively;
and P2, determining, completing the operation creation, and generating a deburring tool path track of the partial top surface of the part geometry.
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| CN111650880A (en) | 2020-09-11 |
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