CN117130324A - Full numerical control machining method for propeller blade surfaces and blade edges - Google Patents
Full numerical control machining method for propeller blade surfaces and blade edges Download PDFInfo
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- CN117130324A CN117130324A CN202311290757.4A CN202311290757A CN117130324A CN 117130324 A CN117130324 A CN 117130324A CN 202311290757 A CN202311290757 A CN 202311290757A CN 117130324 A CN117130324 A CN 117130324A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000003801 milling Methods 0.000 claims abstract description 95
- 238000005192 partition Methods 0.000 claims abstract description 64
- 238000012545 processing Methods 0.000 claims description 61
- 238000004088 simulation Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
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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
- G05B19/4097—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 using design data to control NC machines, e.g. CAD/CAM
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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
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Abstract
The application relates to a full numerical control machining method for propeller blade surfaces and blade edges, which comprises the steps of drawing a propeller three-dimensional model in UG software, determining machining partitions, establishing a cutter database, selecting corresponding cutters, determining corresponding machining parameters, drawing a machining driving line, inputting the machining parameters, generating a machining tool path, generating a numerical control code program identifiable by a machine tool, judging rationality by VERICUT software, and transmitting the numerical control code program into the numerical control machine tool to finish machining. Compared with the prior art, the full numerical control machining of the propeller with the end plate on the profile of the blade tip is realized by combining UG software and VERICUT software, the inaccuracy of the machining of the propeller caused by the original manual mode is reduced, and the GSC standard milling head with a face milling cutter is adopted to replace a rod milling cutter for the edge guiding and trailing edge machining, so that the technical problem that the swing gesture of the milling head is overlarge and collision is easy to occur is effectively solved.
Description
Technical Field
The application relates to the technical field of propeller processing, in particular to a full numerical control processing method for propeller blade surfaces and blade edges.
Background
The CLT type propeller (CLTPROPELLER) is a wake flow shrinkage blade slightly loaded type propeller (ContractedLoadedTip Propeller), the geometric parameters and the appearance are different from those of a conventional propeller, an end plate is arranged on the profile of the blade slightly, the end plate faces a pressure surface, the propeller generates negative positive pressure in the front and back directions, and the pressure difference generates thrust, so that the purposes of saving fuel consumption and reducing ship emission are achieved.
In the prior art, numerical control machining cannot be achieved on the area (the slightly upright part and the corresponding edge part) from 0.9R to 1.0R of the blade tip of the CLT type propeller, manual machining is carried out by manually grinding the slightly upright part and the edge template, the template is manually ground, the leaf profile value is controlled inaccurately, the leaf profile area transition between templates is not linear, the edge trend control is unfavorable, and the design intention of the propeller cannot be accurately expressed.
Disclosure of Invention
In order to overcome.
The technical scheme adopted by the application for achieving the purpose is as follows: a full numerical control processing method for propeller blade surfaces and blade edges comprises the following steps:
s1: drawing a propeller three-dimensional model in UG software;
s2: determining a processing partition in UG software;
s3: establishing a cutter database in UG software, and selecting a corresponding cutter;
s4: determining corresponding processing parameters;
s5: drawing a machining driving line in UG software;
s6: inputting the processing parameters determined in S4 into UG software;
s7: generating a machining tool path in UG software according to the selected tool, the input machining parameters and the machining driving line;
s8: processing each machining tool path by using a post-processing program in UG software to generate a numerical control code program which can be identified by a machine tool;
s9: inputting a numerical control code program into VERICUT software to perform simulation test, judging whether machining partitions, tool selection and machining parameters are reasonable, if the tool selection is not reasonable, executing S3, if the machining parameters are not reasonable, executing S4, if the machining parameters are reasonable but the machining partitions are not reasonable, executing S2, and if the machining partitions, the tool selection and the machining parameters are all reasonable, executing S10;
s10: transmitting the numerical control code program into a numerical control machine tool to finish machining;
preferably, the processing partition in step S2 is specifically: the 0.991R-1R part of the pressure surface is an end plate at the tip of the pressure surface blade; the 0.991R-0.9623R part of the pressure surface is the joint of the end plate of the pressure surface and the leaf surface; the pressure surface 0.9623R-0.8R is a first leaf surface area; the pressure surface is 0.8R-0.275R and is a second leaf surface area; the 0.8R-1.0R position at the edge is the blade tip, the guiding edge and the trailing edge; the suction surface 0.991R-0.1R is an end plate at the slightly position of the suction surface blade; the suction surface is 0.991R-0.275R is a third blade surface area, wherein R is the radius of the propeller;
preferably, a GSC standard milling head is used for long pushing milling cutter to process an end plate at the tip of a pressure surface blade, a pushing milling cutter with the diameter of 100mm is selected as a processing cutter, the cutter length is 580mm, and the processing parameters are as follows: the arrangement width of the cutter rail is 15mm, the cutting step length is 60, the cutter machining front inclination angle is-47 degrees, the side inclination angle is-20 degrees, the cutter rotating speed is 477 revolutions per minute, and the cutter feeding speed is 3000 millimeters per minute;
preferably, a first partition line is arranged on the joint of the pressure surface end plate and the leaf surface near the left, the right side of the first partition line is a first joint, the left side of the first partition line is a second joint, a GSC standard milling head is used for long pushing milling tools to process the first joint, the diameter of a processing tool is selected to be 100mm, the length of the tool is 580mm, and the processing parameters are as follows: the arrangement width of the cutter rail is 15mm, the cutting step length is 60, the cutter machining pre-dip angle is-47 degrees, the side dip angle is-20 degrees, the cutter rotating speed is 477 revolutions per minute, the cutter feeding speed is 3000 millimeters per minute, the GSC standard milling head is used for long pushing the milling cutter to process the second joint part, the diameter of the machining cutter is 100mm, the pushing and milling cutter is 580mm, and the machining parameters are as follows: the arrangement width of the cutter rail is 15mm, the cutting step length is 60, the cutter machining front inclination angle is-50 degrees, the side inclination angle is-0 degrees, the cutter rotating speed is 477 revolutions per minute, and the cutter feeding speed is 3000 millimeters per minute;
preferably, the GSC standard milling head is used for long pushing milling cutter to process the first blade surface area, the processing cutter selects a pushing milling cutter with the diameter of 100mm and the cutter length of 580mm, and the processing parameters are as follows: the arrangement width of the cutter rail is 15mm, the cutting step length is 60, the cutter machining front inclination angle is-65 degrees, the side inclination angle is 25 degrees, the cutter rotating speed is 477 revolutions per minute, and the cutter feeding speed is 3000 millimeters per minute;
preferably, a second partition line is arranged on the second leaf surface area towards the left, the right side of the second partition line is a first right area, the left side of the second partition line is a first left area, a GSC standard milling head is used for processing the first right area, a face milling cutter with the diameter of 160mm is selected as a processing cutter, the cutter length of 112mm is selected as a processing parameter: the arrangement width of the cutter rail is 70mm, the cutting step length is 60, the cutter machining front inclination angle is 6 degrees, the side inclination angle is 0 degree, the cutter rotating speed is 297 r/min, and the cutter feeding speed is 3300 mm/min; the GSC standard milling head is used for long pushing milling cutter to process the first left region, the processing cutter is a pushing milling cutter with the diameter of 100mm, the cutter length is 710mm, and the processing parameters are as follows: the arrangement width of the cutter rail is 15mm, the cutting step length is 60, the cutter machining front inclination angle is-65 degrees, the side inclination angle is-0 degrees, the cutter rotating speed is 477 revolutions per minute, and the cutter feeding speed is 3000 millimeters per minute;
preferably, a third partition line is arranged on the left side of the blade tip and the guiding edge in the guiding edge and the guiding edge, the right side of the third partition line is a front half area of the blade tip guiding edge, the left side of the third partition line is a rear half area of the blade tip guiding edge, a fourth partition line is arranged on the left side of the guiding edge, the left side of the fourth partition line is a front half area of the blade tip guiding edge, the right side is a rear half area of the blade tip guiding edge, the blade tip, the front half area of the blade tip guiding edge, the rear half area of the blade tip guiding edge, the front half area of the blade tip guiding edge and the rear half area of the blade tip are processed by using a GSC standard milling head tape surface milling cutter, the processing cutters are all milling cutters with the diameter of 160mm, the cutter length of 112mm, and the processing parameters are as follows: the cutting step length is 60, the side inclination angle is 0 degree, the cutter rotating speed 297 rotates per minute, the cutter feeding speed is 2000 mm per minute, and the cutter processing front inclination angles of the blade tip, the blade tip edge guiding front half area, the blade tip edge guiding rear half area, the blade tip edge following front half area and the blade tip edge following rear half area are respectively 3 degrees, 10 degrees, 30 degrees, 6 degrees and 26 degrees;
preferably, a GSC standard milling head is used for long pushing milling cutter to process an end plate at the tip of a suction surface blade, a pushing milling cutter with the diameter of 100mm is selected as a processing cutter, the cutter length is 580mm, and the processing parameters are as follows: the arrangement width of the cutter rail is 15mm, the cutting step length is 60, the cutter machining front inclination angle is-47 degrees, the side inclination angle is 20 degrees, the cutter rotating speed is 477 r/min, and the cutter feeding speed is 3000 mm/min;
preferably, a fifth partition line is arranged on the third surface area near the left side, the right side of the fifth partition line is a second right area, the left side of the fifth partition line is a second left area, a GSC standard milling head is used for processing the second right area, a processing cutter is a surface milling cutter with the diameter of 160mm, the cutter length is 112mm, and processing parameters are as follows: the cutter rail arrangement width is 70mm, the cutting step length is 60, the cutter machining pre-dip angle is 6 degrees, the side dip angle is 0 degree, the cutter rotating speed is 297 r/min, the cutter feeding speed is 3300 mm/min, the GSC standard milling head is used for long pushing milling cutter to machine a second left region, the machining cutter is a pushing milling cutter with the diameter of 100mm, the cutter length is 710mm, and the machining parameters are as follows: the arrangement width of the cutter rail is 15mm, the cutting step length is 60, the cutter machining front inclination angle is-65 degrees, the side inclination angle is 0 degree, the cutter rotating speed is 477 r/min, and the cutter feeding speed is 3000 mm/min;
preferably, the specific method for processing the driving line in step S5 is as follows: taking the axis of the propeller hub as the center of a circle, making a plurality of circles for each processing subarea, wherein the radius difference between concentric circles of each processing subarea is 15% of the diameter of the selected pushing milling cutter or 40% -50% of the diameter of the selected face milling cutter in the area, and the projection line of the concentric circles in the corresponding processing subarea is the processing driving line of the processing subarea.
Compared with the prior art, the full numerical control machining of the propeller with the end plate on the profile of the blade tip is realized by combining UG software and VERICUT software, the inaccuracy of the machining of the propeller caused by the original manual mode is reduced, and the GSC standard milling head with a face milling cutter is adopted to replace a rod milling cutter for the edge guiding and trailing edge machining, so that the technical problem that the swing gesture of the milling head is overlarge and collision is easy to occur is effectively solved.
Drawings
FIG. 1 is a flow chart of the fully numerical control process of the present application.
FIG. 2 is a schematic view of the end tooling section of the pressure face of the present application.
FIG. 3 is a schematic view of a pressure side processing section of the present application.
FIG. 4 is a schematic view of a tip and edge blending section of the present application.
FIG. 5 is a schematic drawing of a satellite processing partition in accordance with the present application.
FIG. 6 is a schematic view of a suction side end tooling section of the present application.
FIG. 7 is a schematic view of a suction side tooling section of the present application.
In the figure: 1: an end plate at the tip of the pressure surface blade; 2: the joint of the pressure surface end plate and the leaf surface; 3: a first leaf area; 4: a second leaf area; 401: a first right region; 402: a first left region; 5: the tip of the pressure surface and the guiding edge and the trailing edge are positioned; 501: a blade tip; 502: the front half area of the blade tip edge; 503: the rear half area of the blade tip edge; 504: tip trailing edge front half area; 505: the trailing edge of the blade tip is in the second half area; 6: an end plate at the suction surface blade tip; 7: a third facet region; 701: a second right region; 702: second left region
Detailed Description
The application discloses a specific implementation of a full numerical control processing method for propeller blade surfaces and blade edges, as shown in fig. 1, comprising the following steps:
s1: drawing a propeller three-dimensional model in UG software;
s2: determining a processing partition in UG software; the processing partition is specifically as follows: the 0.991R-0.1R part of the pressure surface is an end plate 1 at the slightly position of the pressure surface blade; the 0.991R-0.9623R part of the pressure surface is the joint part 2 of the end plate of the pressure surface and the leaf surface; the pressure surface 0.9623R-0.8R is the first leaf surface area 3; the pressure surface is 0.8R-0.275R and is the second blade surface area 4; the 0.8R-1.0R part at the edge is the blade tip, the guiding edge and the free edge 5; the suction surface 0.991R-0.1R is an end plate 6 at the slightly position of the suction surface blade; the suction surface is 0.991R-0.275R is a third blade surface area 7, wherein R is the radius of the propeller;
s3: establishing a cutter database in UG software, and selecting corresponding cutters aiming at different processing partitions;
s4: determining corresponding processing parameters;
the end plate 1 at the slightly-positioned part of the pressure surface blade in fig. 2 is machined by using a GSC standard milling head and long pushing milling cutter, wherein the machining cutter is a pushing milling cutter with the diameter of 100mm, the cutter length is 580mm, and the machining parameters are as follows: the arrangement width of the cutter rail is 15mm, the cutting step length is 60, the cutter machining front inclination angle is-47 degrees, the side inclination angle is-20 degrees, the cutter rotating speed is 477 revolutions per minute, and the cutter feeding speed is 3000 millimeters per minute;
the GSC standard milling head is used for long pushing milling cutter to process the joint 2 of the pressure surface end plate and the leaf surface in fig. 2, a first partition line is arranged on the joint 2 of the pressure surface end plate and the leaf surface towards the left, the right side of the first partition line is a first joint 201, the left side of the first partition line is a second joint 202, the GSC standard milling head is used for long pushing milling cutter to process the first joint 201, the diameter of a pushing milling cutter with the diameter of 100mm is selected, the length of the cutter with the length of 580mm is selected, and the processing parameters are as follows: the cutter track arrangement width is 15mm, the cutting step length is 60, the cutter machining pre-dip angle is-47 degrees, the side dip angle is-20 degrees, the cutter rotating speed is 477 revolutions per minute, the cutter feeding speed is 3000 millimeters per minute, the GSC standard milling head is used for long pushing the milling cutter to process the second joint 202, the diameter of the machining cutter is 100mm, the cutter is pushed and milled, the cutter length is 580mm, and the machining parameters are as follows: the arrangement width of the cutter rail is 15mm, the cutting step length is 60, the cutter machining front inclination angle is-50 degrees, the side inclination angle is-0 degrees, the cutter rotating speed is 477 revolutions per minute, and the cutter feeding speed is 3000 millimeters per minute;
the first blade surface area 3 in fig. 3 is machined by using a GSC standard milling head and long pushing milling cutter, wherein the machining cutter is a pushing milling cutter with the diameter of 100mm and the cutter length of 580mm, and the machining parameters are as follows: the arrangement width of the cutter rail is 15mm, the cutting step length is 60, the cutter machining front inclination angle is-65 degrees, the side inclination angle is 25 degrees, the cutter rotating speed is 477 revolutions per minute, and the cutter feeding speed is 3000 millimeters per minute;
a second partition line is arranged on the second leaf surface area 4 towards the left, the right side of the second partition line is a first right area 401, the left side of the second partition line is a first left area 402, the GSC standard milling head is used for processing the first right area 401 in the figure 3, a face milling cutter with the diameter of 160mm is selected as a processing cutter, the cutter length of 112mm is selected, and processing parameters are as follows: the arrangement width of the cutter rail is 70mm, the cutting step length is 60, the cutter machining front inclination angle is 6 degrees, the side inclination angle is 0 degree, the cutter rotating speed is 297 r/min, and the cutter feeding speed is 3300 mm/min; the first left area 401 in fig. 3 is machined by using a GSC standard milling head and long push milling cutter, wherein the machining cutter is a push milling cutter with the diameter of 100mm, the cutter length of 710mm, and the machining parameters are as follows: the arrangement width of the cutter rail is 15mm, the cutting step length is 60, the cutter machining front inclination angle is-65 degrees, the side inclination angle is-0 degrees, the cutter rotating speed is 477 revolutions per minute, and the cutter feeding speed is 3000 millimeters per minute;
as shown in fig. 4 and 5, a third partition line is arranged on the left side of the guiding edge in the blade tip and guiding edge and the free edge 5, the right side of the third partition line is a front half area 502 of the blade tip guiding edge, the left side of the third partition line is a rear half area 503 of the blade tip guiding edge, a fourth partition line is arranged on the free edge and the left side of the free edge, the left side of the fourth partition line is a front half area 504 of the blade tip, the right side is a rear half area 505 of the blade tip, the blade tip 501, the front half area 502 of the blade tip guiding edge, the rear half area 503 of the blade tip guiding edge, the front half area 504 of the blade tip and the rear half area 505 of the blade tip are processed by using a GSC standard milling head with a surface milling cutter, the processing cutter is a surface milling cutter with the diameter of 160mm, the cutter length of 112mm, and the processing parameters are: the cutting step length is 60, the side inclination angle is 0 degree, the cutter rotating speed 297 rotates per minute, the cutter feeding speed is 2000 mm per minute, and the cutter processing front inclination angles of the blade tip 501, the blade tip edge guiding front half area 502, the blade tip edge guiding rear half area 503, the blade tip following front half area 504 and the blade tip following rear half area 505 are respectively 3 degrees, 10 degrees, 30 degrees, 6 degrees and 26 degrees;
the GSC standard milling head is used for long pushing milling cutter to process the end plate 6 at the slightly position of the suction surface blade in fig. 6, the processing cutter is a pushing milling cutter with the diameter of 100mm, the cutter length is 580mm, and the processing parameters are as follows: the arrangement width of the cutter rail is 15mm, the cutting step length is 60, the cutter machining front inclination angle is-47 degrees, the side inclination angle is 20 degrees, the cutter rotating speed is 477 r/min, and the cutter feeding speed is 3000 mm/min;
a fifth partition line is arranged on the third surface area 7 near the left side, the right side of the fifth partition line is a second right area 701, the left side of the fifth partition line is a second left area 702, the second right area 701 in the graph 7 is processed by using a GSC standard milling head, a face milling cutter with the diameter of 160mm is selected by a processing cutter, the cutter length of 112mm is selected, and the processing parameters are as follows: the cutter track arrangement width is 70mm, the cutting step length is 60, the cutter machining pre-dip angle is 6 degrees, the side dip angle is 0 degree, the cutter rotating speed is 297 r/min, the cutter feeding speed is 3300 mm/min, the GSC standard milling head is used for long pushing milling cutter to machine a second left area 702 in the figure 7, the machining cutter is a pushing milling cutter with the diameter of 100mm, the cutter length is 710mm, and the machining parameters are as follows: the arrangement width of the cutter rail is 15mm, the cutting step length is 60, the cutter machining front inclination angle is-65 degrees, the side inclination angle is 0 degree, the cutter rotating speed is 477 r/min, and the cutter feeding speed is 3000 mm/min;
s5: drawing a machining driving line in UG software, taking the axis of a propeller hub as the center of a circle, and making a plurality of circles for each machining subarea, wherein the radius difference between concentric circles of each machining subarea is 15% of the diameter of a selected pushing milling cutter or 40% -50% of the diameter of a selected face milling cutter in the area, and the projection line of the concentric circle in the corresponding machining subarea is the machining driving line of the machining subarea;
s6: inputting the processing parameters determined in S4 into UG software;
s7: generating a machining tool path in UG software according to the selected tool, the input machining parameters and the machining driving line;
s8: processing each machining tool path by a post-processing program in UG software to generate a numerical control code program which can be identified by a machine tool;
s9: inputting a numerical control code program into VERICUT software to perform simulation test, judging whether machining partition, tool selection and machining parameters are reasonable, if the tool selection is not reasonable, executing S3, if the machining parameters are not reasonable, executing S4, if the machining parameters are reasonable but the machining partition is not reasonable, executing S2, re-partitioning, adjusting the positions of a first partition line, a second partition line, a third partition line, a fourth partition line and a fifth partition line, and adjusting 50mm rightwards each time until the tool collision avoidance principle is met, simulating to pass, and if the machining partition, the tool selection and the machining parameters are all reasonable, executing S10;
s10: and transmitting the numerical control code program into a numerical control machine tool to finish machining.
The present application has been described in terms of embodiments, and it will be appreciated by those of skill in the art that various changes can be made to the features and embodiments, or equivalents can be substituted, without departing from the spirit and scope of the application. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the application without departing from the essential scope thereof. Therefore, it is intended that the application not be limited to the particular embodiment disclosed, but that the application will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. The full numerical control machining method for the blade surfaces and the blade edges of the propeller is characterized by comprising the following steps of:
s1: drawing a propeller three-dimensional model in UG software;
s2: determining a processing partition in UG software;
s3: establishing a cutter database in UG software, and selecting a corresponding cutter;
s4: determining corresponding processing parameters;
s5: drawing a machining driving line in UG software;
s6: inputting the processing parameters determined in S4 into UG software;
s7: generating a machining tool path in UG software according to the selected tool, the input machining parameters and the machining driving line;
s8: processing each machining tool path by using a post-processing program in UG software to generate a numerical control code program which can be identified by a machine tool;
s9: inputting a numerical control code program into VERICUT software to perform simulation test, judging whether machining partitions, tool selection and machining parameters are reasonable, if the tool selection is not reasonable, executing S3, if the machining parameters are not reasonable, executing S4, if the machining parameters are reasonable but the machining partitions are not reasonable, executing S2, and if the machining partitions, the tool selection and the machining parameters are all reasonable, executing S10;
s10: and transmitting the numerical control code program into a numerical control machine tool to finish machining.
2. The full numerical control machining method for the blade surfaces and the blade edges of the propeller according to claim 1, wherein the machining partition in the step S2 is specifically: the 0.991R-1R part of the pressure surface is an end plate (1) at the tip of the pressure surface blade; the 0.991R-0.9623R part of the pressure surface is the joint part (2) of the end plate of the pressure surface and the leaf surface; the pressure surface 0.9623R-0.8R is a first leaf surface area (3); the pressure surface is 0.8R-0.275R and is a second blade surface area (4); the 0.8R-1.0R part at the edge is a blade tip, a guiding edge and a trailing edge (5); the suction surface 0.991R-0.1R is an end plate (6) at the slightly position of the suction surface blade; the suction surface is 0.991R-0.275R is a third blade surface area (7), wherein R is the radius of the propeller.
3. The full numerical control machining method for the blade surfaces and the blade edges of the propeller according to claim 2, wherein a GSC standard milling head is used for long pushing milling tools to machine end plates (1) at the slightly positions of the blade surfaces of the pressure surfaces, the machining tools are pushing milling tools with the diameter of 100mm, the tool length of 580mm are selected, and machining parameters are as follows: the arrangement width of the cutter rail is 15mm, the cutting step length is 60, the cutter machining front inclination angle is-47 degrees, the side inclination angle is-20 degrees, the cutter rotating speed is 477 revolutions per minute, and the cutter feeding speed is 3000 millimeters per minute.
4. The full numerical control machining method for the blade surfaces and the blade edges of the propeller according to claim 2, wherein a first partition line is arranged on the joint (2) of the end plate of the pressure surface and the blade surfaces towards the left, the right side of the first partition line is a first joint (201), the left side of the first partition line is a second joint (202), the first joint (201) is machined by using a GSC standard milling head and long pushing milling cutter, the machining cutter is a pushing milling cutter with the diameter of 100mm, the cutter length of 580mm, and machining parameters are as follows: the arrangement width of the cutter rail is 15mm, the cutting step length is 60, the cutter machining pre-dip angle is-47 degrees, the side dip angle is-20 degrees, the cutter rotating speed is 477 revolutions per minute, the cutter feeding speed is 3000 millimeters per minute, the GSC standard milling head is used for long pushing the milling cutter to machine the second joint (202), the diameter of the machining cutter is 100mm, the cutter pushing and milling cutter is 580mm, and the machining parameters are as follows: the arrangement width of the cutter rail is 15mm, the cutting step length is 60, the cutter machining front inclination angle is-50 degrees, the side inclination angle is-0 degrees, the cutter rotating speed is 477 revolutions per minute, and the cutter feeding speed is 3000 millimeters per minute.
5. The full numerical control machining method for propeller blades and blade edges according to claim 2, characterized in that the first blade surface area (3) is machined by using a GSC standard milling head long push milling cutter, the machining cutter is a push milling cutter with the diameter of 100mm, the cutter length is 580mm, and machining parameters are as follows: the arrangement width of the cutter rail is 15mm, the cutting step length is 60, the cutter machining front inclination angle is-65 degrees, the side inclination angle is 25 degrees, the cutter rotating speed is 477 revolutions per minute, and the cutter feeding speed is 3000 millimeters per minute.
6. The full numerical control machining method for the blade surfaces and the blade edges of the propeller according to claim 2, wherein a second partition line is arranged on the second blade surface area (4) towards the left, the right side of the second partition line is a first right area (401), the left side of the second partition line is a first left area (402), the first right area (401) is machined by using a GSC standard milling head, a face milling cutter with the diameter of 160mm is selected as the machining cutter, the cutter length of 112mm is selected as the machining parameter: the arrangement width of the cutter rail is 70mm, the cutting step length is 60, the cutter machining front inclination angle is 6 degrees, the side inclination angle is 0 degree, the cutter rotating speed is 297 r/min, and the cutter feeding speed is 3300 mm/min; the GSC standard milling head is used for long pushing milling cutter to process a first left region (402), the processing cutter selects a pushing milling cutter with the diameter of 100mm, the cutter length of 710mm, and the processing parameters are as follows: the arrangement width of the cutter rail is 15mm, the cutting step length is 60, the cutter machining front inclination angle is-65 degrees, the side inclination angle is-0 degrees, the cutter rotating speed is 477 revolutions per minute, and the cutter feeding speed is 3000 millimeters per minute.
7. The full numerical control machining method for the blade surfaces and the blade edges of the propeller according to claim 2, wherein a third partition line is arranged on the left side of the guiding edge in the blade tip, the guiding edge and the trailing edge part (5), the right side of the third partition line is a front half area (502) of the blade tip guiding edge, the left side of the third partition line is a rear half area (503) of the blade tip guiding edge, the left side of the trailing edge is a front half area (504) of the blade tip, the right side of the fourth partition line is a rear half area (505) of the blade tip, the blade tip guiding edge front half area (502), the blade tip guiding edge rear half area (503), the blade tip trailing edge front half area (504) and the blade tip trailing edge rear half area (505) are machined by using a GSC standard milling cutter, the blade length is 112mm, and machining parameters are: the cutting step length is 60, the side inclination angle is 0 degree, the cutter rotating speed 297 rotates/min, the cutter feeding speed is 2000 mm/min, and the cutter machining front inclination angles of the blade tip (501), the blade tip edge guiding front half area (502), the blade tip edge guiding rear half area (503), the blade tip trailing edge front half area (504) and the blade tip trailing edge rear half area (505) are respectively 3 degrees, 10 degrees, 30 degrees, 6 degrees and 26 degrees.
8. The full numerical control machining method for the blade surfaces and the blade edges of the propeller according to claim 2, wherein a GSC standard milling head is used for machining an end plate (6) at the tip of the blade on the suction surface by using a long pushing milling tool, a pushing milling tool with the diameter of 100mm is selected as the machining tool, the length of the tool is 580mm, and the machining parameters are as follows: the arrangement width of the cutter rail is 15mm, the cutting step length is 60, the cutter machining front inclination angle is-47 degrees, the side inclination angle is 20 degrees, the cutter rotating speed is 477 revolutions per minute, and the cutter feeding speed is 3000 millimeters per minute.
9. The full numerical control machining method for the blade surfaces and the blade edges of the propeller according to claim 2, wherein a fifth partition line is arranged on the third blade surface area (7) towards the left, the right side of the fifth partition line is a second right area (701), the left side of the fifth partition line is a second left area (702), the second right area (701) is machined by using a GSC standard milling head, a face milling cutter with the diameter of 160mm is selected as the machining cutter, the cutter length of 112mm is selected as the machining parameter: the cutter track arrangement width is 70mm, the cutting step length is 60, the cutter machining pre-dip angle is 6 degrees, the side dip angle is 0 degree, the cutter rotating speed is 297 r/min, the cutter feeding speed is 3300 mm/min, the GSC standard milling head is used for long pushing milling cutter to machine a second left area (702), the diameter of the machining cutter is 100mm, the cutter is pushed and milled, the cutter length is 710mm, and the machining parameters are as follows: the arrangement width of the cutter rail is 15mm, the cutting step length is 60, the cutter machining front inclination angle is-65 degrees, the side inclination angle is 0 degree, the cutter rotating speed is 477 revolutions per minute, and the cutter feeding speed is 3000 millimeters per minute.
10. The full numerical control machining method for the blade surfaces and the blade edges of the propeller as set forth in claim 1, wherein the specific method for machining the driving line in step S5 is as follows: taking the axis of the propeller hub as the center of a circle, making a plurality of circles for each processing subarea, wherein the radius difference between concentric circles of each processing subarea is 15% of the diameter of the selected pushing milling cutter or 40% -50% of the diameter of the selected face milling cutter in the area, and the projection line of the concentric circles in the corresponding processing subarea is the processing driving line of the processing subarea.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311290757.4A CN117130324A (en) | 2023-10-08 | 2023-10-08 | Full numerical control machining method for propeller blade surfaces and blade edges |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311290757.4A CN117130324A (en) | 2023-10-08 | 2023-10-08 | Full numerical control machining method for propeller blade surfaces and blade edges |
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| CN202311290757.4A Pending CN117130324A (en) | 2023-10-08 | 2023-10-08 | Full numerical control machining method for propeller blade surfaces and blade edges |
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| Country | Link |
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| CN (1) | CN117130324A (en) |
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