CN100534707C - Method and device of processing the contacting surface of the digital controlled lines - Google Patents
Method and device of processing the contacting surface of the digital controlled lines Download PDFInfo
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- CN100534707C CN100534707C CNB2006101053637A CN200610105363A CN100534707C CN 100534707 C CN100534707 C CN 100534707C CN B2006101053637 A CNB2006101053637 A CN B2006101053637A CN 200610105363 A CN200610105363 A CN 200610105363A CN 100534707 C CN100534707 C CN 100534707C
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Abstract
The invention relates to a digital-control line-contact surface processing method and the equipment, belonging to the mechanical processing field. The core is four-axis line-contact surface processing device comprising rotating module, translating module, swinging module, expanding module and cutting module. The cutting module is set on the expanding module and it following said four modules moves in space. In the invention NC multi-axis moving coordinate feeding system with four-axis line-contact surface processing device is used; according to the processing demand, multiple multi-axis NC surface processing machine tool can be constituted. The side blade of cutting tool is controlled to machine in tangency with straight generatrix of machining surface always to realize the processing method that a code is used to machine a special surface or any space plane. It is provided with no theoretical profile error, high efficiency and high accuracy. The least linkage axis number and the least NC machining codes are used to realize surface processing. It can be applied in NC milling finishing machining, finish machining, NC turning-milling machining, NC electrochemical machine and NC EDM so on.
Description
Technical field
The present invention relates to the Machining Technology field, belong to the equipment and the method for numerical controlled machinery processing.Digital control line contact surface method for processing and equipment are to adopt line contact processing method to curve surface of workpiece method for processing and equipment.
Background technology
Various Surface NC Machining in the known technology such as milling, grindings etc. at present all are to adopt to approach or fitting method, convert curved surface to very little planar chip or patch, adopt the mode of traditional dotted line processing again, this needs a large amount of cutter spacing data, the multi-shaft interlocked processing of lathe with 3,4 or 5 (more than reaching), in this processing mode, pursuing the control of working (machining) efficiency and error is a pair of contradiction that is difficult to be in harmonious proportion.
Side milling processing is the more a kind of processing method of Recent study, and its major advantage is machined surface quality, working (machining) efficiency height.These researchs mainly concentrate on the processing to distortion ruled surface and free form surface, analyze because the mismachining tolerance that processing method itself is produced, and based on the tool position optimization method of error analysis.Be published in 2002 the 6th phases of mechanical engineering journal " based on 5 side milling fine finishining of the ruled surface cutter Location Calculation Method of feature " as people such as Yu Yuan, people such as Cai Yonglin are published in 2004 the 5th phases of XI AN JIAOTONG UNIVERSITY Subject Index " twisting ruled surface impeller numerical control side milling cutter spacing arbitrarily calculates and error analysis ", Menzel, Cornelia etc. are published in 2004 the 3rd phases of CADComputer Aided Design " Triple tangent flank milling ofruled surfaces ", Larue etc. are published in International Journal of Machine 2003 the 2nd phases of Toolsand Manufacture " Deviation of a machined surface in flankmilling " etc.Though above-mentioned side milling method also all is similar to line contact processing method, the method for its processing curve is still planned cutter path with point, line mode, with the tooth realization cutting of cutter week; This need approach into curved surface a plurality of patch, and just can finish Machining of Curved Surface with a lot of bar numerical control codes, and has approximate error, and comparing with five point processing methods of tradition does not have qualitative leap.
Through to domestic and international patent documentation and the retrieval of the journal article published, find identical as yet or similarly report or document with the present invention.
Summary of the invention
The objective of the invention is to overcome the shortcoming that above-mentioned technology or equipment exist, provide a kind of machining path short, the efficient height, the precision height is with the digital control line contact surface process and apparatus of the less interlock number of axle and less numerical control machining code realization Machining of Curved Surface.
Realization of the present invention is as a kind of digital control line contact surface process equipment, include numerical control system, motive drive source, have the coordinate feed system of the multiaxial motion of numerical control, it is characterized in that: also must have four axistyle contact surface processing unit (plant).Four axistyle contact surface processing unit (plant) mainly is made up of gyro black assembly, translation assembly, wobble component, telescopic component and cutter assembly five major parts, and gyro black assembly is fixed on the pedestal, mainly is made up of bearing support member, lower bearing, revolving body and upper bearing (metal).Lower bearing and upper bearing (metal) are fixed on the bearing support member, stationary fit is connected revolving body with the lower bearing inner ring with the upper bearing (metal) inner ring respectively, turning motor is installed on the bearing support member, and the axle revolution of turning motor drives revolving body and extension constitutes gyration feed shaft, i.e. C axle.The translation assembly is installed on the extension of revolving body, is made up of the swing span that is installed in a pair of translation guide rail that is parallel to each other on the extension and translation ball-screw and be installed on the translation guide rail slide block.The translation ball-screw passes swing span, and its two supports is installed on the extension of revolving body, and is parallel with the translation guide rail.The translation motor rotation that links to each other with the translation leading screw drives the translation ball-screw swing span is moved along the translation guide rail, constitutes the translation feed shaft thus, i.e. the U axle.Wobble component is installed in the bottom of swing span by a pair of oscillation bearing, is made up of this a pair of oscillation bearing and pendular body.The pendular body projecting shaft is connected with the inner ring stationary fit of this a pair of oscillation bearing respectively.Be installed in the swing motor reciprocating rotating on the swing span, drive the pendular body swing, to constitute swing feed axle, i.e. B axle.Telescopic component is installed on the pendular body, and it is made up of a pair of telescopic rail, flexible slide block and flexible ball-screw and connector.Flexible ball-screw is parallel with telescopic rail, passes connector and installs, and flexible ball-screw two ends and pendular body are connected, and flexible motor rotation drives flexible ball-screw makes telescopic rail along flexible slide block movement, constitutes the stretching motion feed shaft thus, i.e. the W axle.Cutter assembly is made up of main shaft and cutter, is installed on the flexible slide block.Above-mentioned four axistyle contact surface processing unit (plant) makes cutter assembly do spatial movement with gyro black assembly, translation assembly, wobble component and telescopic component.
Present gang tool structure does not all possess the single shaft feeding and finishes the processing diverse location, the ability of the different radii surface of revolution, even the piece surface that processing is made up of simple feature faces such as plane, the conical surface and cylinders also needs the interlock of multiaxis, plan cutter path with point, line mode, machine to go cutting method or ring cutting method, machining path is long, inevitably exists and forces into sum of errors nonlinearity erron.The present invention has designed a cover four axistyle contact surface processing unit (plant), and its cutter side has two gyroaxises and two shifting axles.Under the control of digital control system, directly according to the processed curved surface feature, employing is based on the numerical control machining code of space face processing, flexible, the swing of control cutter, translation and rotation, make cutter side edge tangent with machined surface all the time, realize the processing of curved surface with the less interlock number of axle and less numerical control machining code.Particularly because when processing space plane, the face of cylinder and taper seat, there is not the theory contour error in the present invention, final mismachining tolerance is also only from machine error, thereby machining path is short, efficient is high, precision is high.
Realization of the present invention is that also lower bearing and the upper bearing (metal) in the gyro black assembly replaces with a bearing, can simplified structure.
Realization of the present invention is that also telescopic rail and the flexible slide position in the telescopic component exchanges, to adapt to different processing and needs are installed.
Realization of the present invention also is cutter assembly or is made up of main shaft and cutter, or is made of main shaft and rubbing head, or is made of cutting head, or is made of the electric machining cathode electrode unit.Cutter can be a milling cutter, also can be grinding knife tool.
Realization of the present invention is still as a kind of digital control line contact surface processing method, it is characterized in that: adopt digital control line contact surface process equipment, promptly use the coordinate feed system of the multiaxial motion of the numerical control that has four axistyle contact surface processing unit (plant), realization is to the feature profile processing of different machining areas on the workpiece, and concrete step has:
One. the curved surface features according to workpiece is write numerical control machining code;
Two. the numerical control machining code that the space face of workpiece is processed is input to digital control system;
Three. B, the revolution of C axle by digital control system control four axistyle contact surface processing unit (plant) make the tool axis direction vector equal the direction vector of the initial processing line of curved surface;
Four. the rotation of control cutter spindle;
Five. by the X of control in the Cartesian coordinates, Y and Z axle, wherein the positive direction of X-axis and Y-axis all in the horizontal direction, and orthogonal, the positive direction of Z axle is vertically upward, adjusts workpiece earlier and makes the processing start line contact mutually of side edge with workpiece of cutter;
Six. the revolution of B axle and the feeding of W axle of control four axistyle contact surface processing unit (plant), in the working angles, make the cutter side edge tangent with machined surface all the time, the cutter shear blade is led moving-wire with curved surface all the time and is kept contact;
Seven. finish the Machining of Curved Surface overall process, each return.
Digital control line contact surface processing method of the present invention adopts four axistyle contact surface processing unit (plant) as the cutter side, is equipped with different workpiece side devices, can realize the processing of the different ranges of work and feature profile.Simultaneously, also because the difference of the attainable motor function of workpiece side, and make processing method produce difference.Realized just can processing a kind of specific curved surface, or just can process the processing method of space plane arbitrarily with a numerical control code with a numerical control code.
Realization of the present invention also is when curved surface is taper seat, also will adjust the location of workpiece when carrying out for the 3rd step the axis of rotation of its taper seat is overlapped with C axle axis of rotation, and the radius of gyration of cutter around workpiece adjusted in the feeding of U axle; Carried out for the 5th when step, the angle that cutter wraparound rotating shaft is adjusted in the feeding of swing B axle is the semicircle cone angle, and by control X, Y and Z axle are adjusted workpiece and made the processing start line contact mutually of side edge with workpiece of cutter.
When realization of the present invention also is to process cylinder, when carrying out for the 3rd step, adjusts gyroaxis B and C axle and make the tool axis direction vector equal segment of a cylinder direction vector direction; Carried out for the 6th when step, adjust U axle and W axle make the cutter shear blade all the time with lead moving-wire and keep contact, and no longer adjust the cutter vector in the processing, tool axis operates on the equidistant surface of machined surface all the time.
It is parallel with the workpiece processing plane to adjust tool axis when realization of the present invention also is processing plane when carrying out for the 3rd step earlier, and tool axis and processing plane distance equal tool radius; During the 6th step, control X, Y-axis and W axle are finished feeding, thereby make the cutter shear blade keep contact to finish processing with planar boundary all the time.
The present invention proposes and has designed the kinematic axis and the structure of four axistyle contact surface processing unit (plant), and a kind of four axistyle contact surface processing unit (plant) that can realize two gyrations and two moving movements is provided.Combine with digital control system, can constitute multi-axis numerical control Machining of Curved Surface lathe, thereby can be directly according to the processed curved surface feature, employing is based on the numerical control machining code of space face processing, flexible, the swing of control cutter, translation and rotation, cutter Zhou Ren is processed with the straight edge line of machined surface is tangent all the time, solve the contradiction between the control of working (machining) efficiency and error preferably.Because the present invention is when processing space plane, the face of cylinder and taper seat, there is not theoretical error, final mismachining tolerance is also only from machine error, thereby efficient height, precision height, realized realizing with the less interlock number of axle and less numerical control machining code the processing of curved surface.The present invention not only can be applicable to numerical control milling fine finishining, and can be applicable to polishing processing, the machine finishing of many aspects such as numerical-control turn-milling processing, numerical control Electrolyzed Processing and numerical control electric spark processing.
Description of drawings:
Fig. 1 is a kinematic sketch of the present invention;
Fig. 2 is a device structure schematic diagram of the present invention;
Fig. 3 is the structure chart of four axistyle contact surface processing unit (plant) of the present invention;
Fig. 4 is the translation assembly assumption diagram of four axistyle contact surface processing unit (plant) of the present invention, also is the side view of translation assembly among Fig. 3;
Fig. 5 is the structure chart of the telescopic component of four axistyle contact surface processing unit (plant) of the present invention;
Fig. 6 is the structure cutaway view of four axistyle contact surface processing unit (plant) telescopic component of the present invention;
Fig. 7 is that several combining forms that realize the equipment of digital control line contact surface processing method among the present invention are enumerated table, also is several forms of statement in embodiment 9 and 10.
The specific embodiment:
Provide embodiments of the invention below in conjunction with accompanying drawing
Embodiment 1:
Referring to Fig. 3, the present invention is as a kind of digital control line contact surface process equipment, include numerical control system, motive drive source, the coordinate feed system that has the multiaxial motion of numerical control, key point is: also must have four axistyle contact surface processing unit (plant), four axistyle contact surface processing unit (plant) is mainly by gyro black assembly, the translation assembly, wobble component, telescopic component and cutter assembly five most of compositions, gyro black assembly is fixed on the pedestal 1, mainly by bearing support member 2, lower bearing 3, revolving body 4 and upper bearing (metal) 5 are formed, lower bearing 3 and upper bearing (metal) 5 are fixed on the bearing support member 2,8 stationary fits are connected revolving body 4 with the lower bearing inner ring with upper bearing (metal) inner ring 7 respectively, turning motor 6 is installed on the bearing support member 2, the axle revolution of turning motor 6 drives revolving body 4 and extension 19 constitutes the gyration feed shaft, be the C axle, see Fig. 1.The translation assembly is installed on the extension 19 of revolving body 4, again referring to Fig. 4, form by the swing span 16 that is installed in a pair of translation guide rail 17 that is parallel to each other on the extension 19 and translation ball-screw 10 and be installed on the translation guide rail slide block 18, translation ball-screw 10 passes swing span 16, its two supports is installed on the extension 19 of revolving body 4, parallel with translation guide rail 17, translation motor 20 rotations that link to each other with the translation leading screw, driving translation ball-screw 10 makes swing span 16 move along translation guide rail 17, constitute the translation feed shaft thus, be the U axle, see Fig. 1.Wobble component is installed in the bottom of swing span 16 by a pair of oscillation bearing 12, form by a pair of oscillation bearing 12 and pendular body 15, pendular body 15 projecting shafts are connected with the inner ring stationary fit of a pair of oscillation bearing 12 respectively, swing motor 11 reciprocating rotatings that are installed on the swing span 16 drive pendular body 15 swings to constitute the swing feed axle, be the B axle, see Fig. 1.Telescopic component is installed on the pendular body 15, again referring to Fig. 5 and Fig. 6, telescopic component is made up of a pair of telescopic rail 21, flexible slide block 22 and flexible ball-screw 13 and connector 23, flexible ball-screw 13 passes flexible slide block 22 and connector 23, and is parallel with telescopic rail 21, and flexible ball-screw 13 two ends and pendular body 15 are connected, flexible motor 9 rotations drive flexible ball-screw 13 makes telescopic rail 21 move along flexible slide block 22, constitute the stretching motion feed shaft thus, promptly the W axle is seen Fig. 1.This guide rail is convenient to install along the form of flexible slide block movement.Cutter assembly is made up of main shaft 25 and cutter 14, is installed on the telescopic rail 21.Above-mentioned four axistyle contact surface processing unit (plant) makes cutter assembly do spatial movement with gyro black assembly, translation assembly, wobble component and telescopic component.
Turning motor 6 wherein, flexible motor 9, swing motor 11 and translation motor 20 can be stepper motors, also can be direct current or AC servo motor.
Revolving body 4 in the gyro black assembly and extension 19 thereof are connector, be mainly used in translation assembly, wobble component, telescopic component and the cutter assembly that constitutes four axistyle contact surface processing unit (plant) is installed, be step-like revolving body 4 and extension 19 thereof, can make a part.
Embodiment 2:
General arrangement is with embodiment 1, and bearing support member 2 also is a combined member, is made up of upper and lower member and lid, adopts the sub-unit manufacturing, installs then.Difference is: revolving body 4 and extension 19 thereof are connector, the sub-unit manufacturing, and installation forms then.So easy processing is easy to install, and cost is low, also is beneficial to improvement.
Embodiment 3:
General arrangement is with embodiment 1, and difference is: bearing of lower bearing 3 in the gyro black assembly and upper bearing (metal) 5 usefulness replaces, can simplified structure.
Embodiment 4:
General arrangement is with embodiment 1, and difference is: telescopic rail 21 in the telescopic component and flexible slide block 22 location swaps, and to adapt to different processing and needs be installed.
Embodiment 5:
Referring to Fig. 1, the present invention adopts foregoing digital control line contact surface process equipment, coordinate feed system by four axistyle contact surface processing unit (plant) and numerical control multi-shaft motion is formed, and realizes the feature profile processing to different machining areas on the workpiece, and concrete step has:
One. the curved surface features according to workpiece is write numerical control machining code;
Two. the numerical control machining code that the space face of workpiece is processed is input to digital control system;
Three. B, the revolution of C axle by digital control system control four axistyle contact surface processing unit (plant) make the tool axis direction vector equal the direction vector of the initial processing line of curved surface;
Four. the rotation of control cutter spindle;
Five. by control X, Y and Z axle, wherein the positive direction of X-axis and Y-axis all in the horizontal direction, and orthogonal, the positive direction of Z axle is vertically upward, adjusts workpiece earlier and makes the processing start line contact mutually of side edge with workpiece of cutter;
Six. the revolution of B axle and the feeding of W axle of control four axistyle contact surface processing unit (plant), in the working angles, make the cutter side edge tangent with machined surface all the time, the cutter shear blade is led moving-wire with curved surface all the time and is kept contact;
Seven. finish the Machining of Curved Surface overall process, each return.
Embodiment 6: to the processing of taper seat
General steps,, also will be adjusted the location of workpiece axis of rotation of its taper seat is overlapped with C axle axis of rotation when curved surface is taper seat referring to Fig. 1 with embodiment 5 when carrying out for the 3rd step, the radius of gyration of cutter around workpiece adjusted in the feeding of U axle; Carried out for the 5th when step, the angle that cutter wraparound rotating shaft is adjusted in the feeding of swing B axle is the semicircle cone angle, and by control X, Y and Z axle are adjusted workpiece and made the processing start line contact mutually of side edge with workpiece of cutter.Like this, by the swivel feeding of C axle single shaft, can finish the processing of this face with the shortest cutter path.This shows that such working (machining) efficiency is the highest.Lead moving-wire for on-plane surface, can in swivel feeding, control cutter shaft, lead on the moving-wire and the point of contact of cutter bottom is dropped on all the time to (W axle) feeding.Like this, just can finish different radii by the feeding of two axles, the bent limit taper seat processing of different revolution shaft core positions, different coning angles need not adjusted the tool axis vector in the process, has simplified programming, and do not have normal error on the conical surface.Particularly, when coning angle is zero, the processing of taper seat has just been become processing to the face of cylinder.
Embodiment 7: to the processing of cylinder
General steps referring to Fig. 1, is processed cylinder with embodiment 5, when carrying out for the 3rd step, adjust gyroaxis B and C axle and make the tool axis direction vector equal the segment of a cylinder direction vector, make the cutter shear blade all the time with lead moving-wire and keep contact, and no longer adjust the cutter vector in the processing; Tool axis operates on the equidistant surface of machined surface all the time when carrying out for the 6th step.The same with taper seat processing, by the swivel feeding of C axle single shaft, use the shortest cutter path can finish the processing of this face, such working (machining) efficiency also is the highest.Lead moving-wire for on-plane surface, can in swivel feeding, control cutter shaft, lead on the moving-wire and the point of contact of cutter bottom is dropped on all the time to (W axle) feeding.Like this, just can finish different radii by the feeding of two axles, the face of cylinder, the bent limit processing of different revolution shaft core positions need not adjusted the cutter vector in the process, has simplified programming, and do not have normal error on cylinder.
Embodiment 8: to the processing of space plane
General steps is with embodiment 5, referring to Fig. 1, and processing plane, when carrying out for the 3rd step, it is parallel with the workpiece processing plane to adjust tool axis earlier, and tool axis and processing plane are apart from equaling tool radius; The 6th step: control X, Y-axis and W axle are finished feeding, thereby make the cutter shear blade keep contact to realize the processing of plane, bent at any angle limit with planar boundary all the time, and its tool axis operation plane is the equidistant surface of machined surface, finishes processing.
Embodiment 9:
General steps is with embodiment 5, as shown in Figure 2.In the cutter side two swivel feeding axles and two mobile feed shafts are arranged, promptly four axistyle contact surface processing unit (plant) is seen Fig. 1.In workpiece side if be equipped with XY worktable, be exactly among Fig. 7 sequence number be 1 composition form.Among the figure: OXYZ is the coordinate system of coordinate feed system that has the multiaxial motion of numerical control, and knife rest can be along C axle (around the gyration of Z axle), U axle (along radius of gyration moving linearly), B axle (around Y ' swing) and W axle (along the cutter axis orientation rectilinear motion) feeding; Workpiece is in workbench upper edge X, Y-axis feed motion.Can finish the line contact surface processing of space curved surface.
Embodiment 10:
General steps is with embodiment 5, as shown in Figure 7, and basic structure such as embodiment 7.If increase the motion of Z axle in workpiece side or cutter side, promptly sequence number is 2 or 3 composition form among Fig. 7, then can expand Z to the range of work; If append the motion of A axle or B axle in workpiece side, then can process the curved surface of any space angle, promptly sequence number is 4 or 5 composition form among Fig. 7; If append A axle, B axle and the motion of Z axle in workpiece side, promptly sequence number is 6 composition form among Fig. 7, then can the line contact surface processes any locus, the curved surface of space angle arbitrarily.The present invention can also have more combination form of implementation, and this place is enumerated no longer one by one.
Embodiment 11: working (machining) efficiency compares:
With the slotting cutter Milling Process is example, with radius is that the big radius of circle of 10mm milling cutter processes is that 40mm, little radius of circle are 38mm, highly are the taper seat of 8mm, given mismachining tolerance is not more than 1 μ m, analyzes contrast Milling Process of the present invention contacts two kinds of methods of Milling Process with five-axle linkage point working (machining) efficiency.Line contact milling of the present invention needs 10 seconds process times, and does not have theoretical error; And the contact of five-axle linkage point is processed when franchise is 1 μ m, and needing process time is 274～321 seconds.This is because five-axle linkage point contact processing is a contact, whole machined surface is divided into a lot of row processes line by line.And the present invention adopts line contact processing method, uses a numerical control code, utilizes milling cutter side edge opposite shape only to process delegation, saves time 264～311 seconds, and efficient improves about 30 times, has improved working (machining) efficiency widely.
Claims (8)
1. digital control line contact surface process equipment, include numerical control system, motive drive source, the coordinate feed system that has the multiaxial motion of numerical control, it is characterized in that: also must have four axistyle contact surface processing unit (plant), four axistyle contact surface processing unit (plant) is mainly by gyro black assembly, the translation assembly, wobble component, telescopic component and cutter assembly five most of compositions, gyro black assembly is fixed on the pedestal (1), mainly by bearing support member (2), lower bearing (3), revolving body (4) and upper bearing (metal) (5) are formed, lower bearing (3) and upper bearing (metal) (5) are fixed on the bearing support member (2), stationary fit is connected revolving body (4) with lower bearing inner ring (8) with upper bearing (metal) inner ring (7) respectively, turning motor (6) is installed on the bearing support member (2), the axle revolution of turning motor (6) drives revolving body (4) and extension (19) constitutes gyration feed shaft, i.e. C axle; It is characterized in that: the translation assembly is installed on the extension (19) of revolving body (4), by being installed in a pair of translation guide rail (17) and the translation ball-screw (10) that is parallel to each other on the extension (19) and the swing span (16) that is installed on the translation guide rail slide block (18) formed, translation ball-screw (10) passes swing span (16), its two supports is installed on the extension (19) of revolving body (4), parallel with translation guide rail (17), translation motor (20) rotation that links to each other with the translation leading screw, driving translation ball-screw (10) makes swing span (16) move along translation guide rail (17), constitute the translation feed shaft thus, i.e. the U axle; Wobble component is installed in the bottom of swing span (16) by a pair of oscillation bearing (12), form by a pair of oscillation bearing (12) and pendular body (15), pendular body (15) projecting shaft is connected with the inner ring stationary fit of a pair of oscillation bearing (12) respectively, swing motor (11) reciprocating rotating that is installed on the swing span (16) drives pendular body (15) swing to constitute swing feed axle, i.e. B axle; Telescopic component is installed on the pendular body (15), it is made up of a pair of telescopic rail (21), flexible slide block (22) and flexible ball-screw (13) and connector (23), flexible ball-screw (13) passes flexible slide block (22) and connector (23), parallel with telescopic rail (21), flexible ball-screw (13) two ends and pendular body (15) are connected, flexible motor (9) rotation drives flexible ball-screw (13) makes telescopic rail (21) along flexible slide block (22) motion, constitute the stretching motion feed shaft thus, i.e. the W axle; Cutter assembly is made up of main shaft (25) and cutter (14), is installed on the telescopic rail (21); Above-mentioned four axistyle contact surface processing unit (plant) makes cutter assembly do spatial movement with gyro black assembly, translation assembly, wobble component and telescopic component.
2. digital control line contact surface process equipment according to claim 1 is characterized in that: lower bearing in the described gyro black assembly (3) and upper bearing (metal) (5) replace with a bearing.
3. digital control line contact surface process equipment according to claim 1 is characterized in that: telescopic rail in the described telescopic component (21) and flexible slide block (22) location swap.
4. digital control line contact surface process equipment according to claim 1, it is characterized in that: described cutter assembly or form by main shaft (25) and cutter (14), or constitute by main shaft and rubbing head, or constitute by cutting head, or constitute by the electric machining cathode electrode unit.
5. digital control line contact surface processing method is characterized in that: adopt the described digital control line contact surface process equipment of claim 1, realize the feature profile processing to different machining areas on the workpiece, concrete step has:
One. the curved surface features according to workpiece is write numerical control machining code;
Two. the numerical control machining code that the space face of workpiece is processed is input to digital control system;
Three. B, the revolution of C axle by digital control system control four axistyle contact surface processing unit (plant) make the tool axis direction vector equal the direction vector of the initial processing line of curved surface;
Four. the rotation of control cutter spindle;
Five. by the X of control in the Cartesian coordinates, Y and Z axle, wherein the positive direction of X-axis and Y-axis all in the horizontal direction, and orthogonal, the positive direction of Z axle is vertically upward, adjusts workpiece earlier and makes the processing start line contact mutually of side edge with workpiece of cutter;
Six. the revolution of B axle and the feeding of W axle of control four axistyle contact surface processing unit (plant), in the working angles, make the cutter side edge tangent with machined surface all the time, the cutter shear blade is led moving-wire with curved surface all the time and is kept contact;
Seven. finish the Machining of Curved Surface overall process, each return.
6. digital control line contact surface processing method according to claim 5, it is characterized in that: when curved surface is taper seat, also will adjust the location of workpiece when carrying out for the 3rd step the axis of rotation of its taper seat is overlapped with C axle axis of rotation, the radius of gyration of cutter around workpiece adjusted in the feeding of U axle; Carried out for the 5th when step, the angle that cutter wraparound rotating shaft is adjusted in the feeding of swing B axle is the semicircle cone angle, and by control X, Y and Z axle are adjusted workpiece and made the processing start line contact mutually of side edge with workpiece of cutter.
7. digital control line contact surface processing method according to claim 5 is characterized in that: for cylinder processing, when carrying out for the 3rd step, adjust gyroaxis B and C axle and make the tool axis direction vector equal the segment of a cylinder direction vector; Carry out the 6th step the time make the cutter shear blade all the time with lead moving-wire and keep contact, and no longer adjust the cutter vector in the processing, tool axis operates on the equidistant surface of machined surface all the time.
8. digital control line contact surface processing method according to claim 5 is characterized in that: processing plane, and when carrying out for the 3rd step, it is parallel with the workpiece processing plane to adjust tool axis earlier, and tool axis and processing plane distance equal tool radius; The 6th step: control X, Y-axis and W axle are finished feeding, thereby make the cutter shear blade keep contact to finish processing with planar boundary all the time.
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| CNB2006101053637A CN100534707C (en) | 2006-12-31 | 2006-12-31 | Method and device of processing the contacting surface of the digital controlled lines |
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| CN100546769C (en) * | 2007-12-29 | 2009-10-07 | 浙江工业大学 | The grinding wheel head driving mechanism of mold freedom curved surface flexible polishing machine |
| CN102059724B (en) * | 2010-08-12 | 2015-11-25 | 广东威德力机械实业有限公司 | Intelligentized woodworking curve sawing machine |
| CN103302340B (en) * | 2012-03-16 | 2016-04-27 | 沈阳飞机工业（集团）有限公司 | The progressive interpolation of a kind of digital control processing |
| CN102581360A (en) * | 2012-03-22 | 2012-07-18 | 沈阳飞机工业（集团）有限公司 | Method for processing complex curved surface by numerical control processing progressive interpolation |
| US9164503B2 (en) * | 2012-07-13 | 2015-10-20 | The Boeing Company | Method of optimizing toolpaths using medial axis transformation |
| CN103752924A (en) * | 2014-01-16 | 2014-04-30 | 华南理工大学 | One-axis stepping and three-axis linkage space curved surface milling method |
| CN103869751A (en) * | 2014-02-27 | 2014-06-18 | 北京信息科技大学 | X-C direct driven grinding profile error non-linear coupling control system and method |
| CN104097098A (en) * | 2014-07-07 | 2014-10-15 | 西安工业大学 | Multipoint positioning method for large curved-surface thin-walled workpieces |
| CN104714475B (en) * | 2015-03-14 | 2018-03-27 | 西安工业大学 | A kind of highly effective curved face Direct numerical control method |
| CN105014154B (en) * | 2015-07-31 | 2017-05-31 | 临沂市河东区先行机械刀片厂 | A kind of polar coordinates saw blade wire cutting method and the linear cutting equipment based on it |
| CN105458405B (en) * | 2015-11-26 | 2017-10-27 | 广东长盈精密技术有限公司 | Curved-surface processing method |
| JP6592060B2 (en) * | 2017-11-01 | 2019-10-16 | ファナック株式会社 | Machine tool and plastic working method |
| CN110253059A (en) * | 2019-06-25 | 2019-09-20 | 固耐重工（苏州）有限公司 | A kind of processing method with milling generation grinding of point contact |
| CN113158269B (en) * | 2021-01-29 | 2022-08-02 | 哈尔滨工业大学 | Space STL curved surface equidistant path planning method in curved surface layered additive manufacturing |
| CN113843461B (en) * | 2021-10-15 | 2022-09-13 | 南京航空航天大学 | Five-axis head of electrolytic milling and grinding machine tool |
| CN116618730B (en) * | 2023-07-21 | 2023-09-29 | 成都工业职业技术学院 | Intelligent plate milling device and control method thereof |
-
2006
- 2006-12-31 CN CNB2006101053637A patent/CN100534707C/en not_active Expired - Fee Related
Non-Patent Citations (9)
| Title |
|---|
| CAXA制造工程师2004基础教程. 冯荣坦,63-66,160-163,机械工业出版社. 2005 基于特征输入及高效率数控加工方法的研究. 韩改宁，26-32，37，西安工业学院. 2005 线接触加工图形自动编程系统的研究与开发. 孙林丽，13-15、47-51，西安工业大学. 2006 |
| CAXA的曲面精加工方法比较与应用. 王春海，张增良.现代制造工程，第/卷第7期. 2005 |
| CAXA的曲面精加工方法比较与应用. 王春海，张增良.现代制造工程，第/卷第7期. 2005 * |
| 任意扭曲直纹面叶轮数控侧铣刀位计算与误差分析. 蔡永林，席光，查建中.西安交通大学学报，第38卷第5期. 2004 |
| 任意扭曲直纹面叶轮数控侧铣刀位计算与误差分析. 蔡永林，席光，查建中.西安交通大学学报，第38卷第5期. 2004 * |
| 基于线接触的回转二次曲面加工方法及其误差分析. 焦长君，李圣怡，戴一帆.航空精密制造技术，第41卷第3期. 2005 |
| 基于线接触的回转二次曲面加工方法及其误差分析. 焦长君，李圣怡，戴一帆.航空精密制造技术，第41卷第3期. 2005 * |
| 直纹四坐标侧铣数控加工中的误差分析. 焦建彬，于华.机械工程学报，第37卷第4期. 2001 |
| 轴向车铣六面体工件运动矢量建模的研究. 石莉，贾春德，姜增辉.沈阳工业学院学报，第21卷第4期. 2002 |
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