CN104570947A - Numerical control programming method of valve shell series part - Google Patents
Numerical control programming method of valve shell series part Download PDFInfo
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- CN104570947A CN104570947A CN201510039725.6A CN201510039725A CN104570947A CN 104570947 A CN104570947 A CN 104570947A CN 201510039725 A CN201510039725 A CN 201510039725A CN 104570947 A CN104570947 A CN 104570947A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000003754 machining Methods 0.000 claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 claims abstract description 14
- 238000004088 simulation Methods 0.000 claims abstract description 14
- 238000003801 milling Methods 0.000 claims description 37
- 238000012545 processing Methods 0.000 claims description 22
- 238000013461 design Methods 0.000 claims description 18
- 238000011112 process operation Methods 0.000 claims description 15
- 230000008859 change Effects 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 10
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 6
- 238000010079 rubber tapping Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 238000007669 thermal treatment Methods 0.000 claims description 3
- 238000007514 turning Methods 0.000 claims description 3
- 230000004807 localization Effects 0.000 claims description 2
- 230000004044 response Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 12
- 238000009434 installation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 229910000737 Duralumin Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- -1 flange Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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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
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- Valve Housings (AREA)
Abstract
The invention relates to a numerical control programming method of a valve shell series part. The numerical control programming method of the valve shell series part mainly resolves the problems that after size parameters of a valve shell series part are changed, the task load of numerical control programming is huge, much repeated labor exists, and the programming efficiency is low. A workblank model is determined according to the minimum compatible principle, a one-surface two-hole positioning method is adopted, and a special outer cylindrical surface machining clamp is designed. The machining process route of the valve shell series part is determined on the basis. Series characteristic parameters and the internal relationship are determined according to the functions of the valve shell series part, a valve shell series part template model is built through a UG software equation and a series characteristic parameter list, machining simulation is finished, and numerical control machining program codes are generated. After the series characteristic parameters of the part template model are changed and updated, the machining operation is edited and continues, a cutter position file is generated again rapidly and then processed to generate numerical control codes, and therefore the rapid response capacity of a production task is improved.
Description
Technical field
The invention belongs to machine-building CNC processing technology field, be specifically related to a kind of digital control programming method of valve housing series parts.
Background technology
Along with the fast development of China's aeronautical and space technology, valve housing class novel space flight one-piece construction part obtains and more widely uses.Valve housing part for controlling the direction of fluid, pressure and flow, primarily of feature compositions such as flange, cavity, seal groove, threaded holes.Flange mainly plays sealing and connection function, it has usually the seal groove of connection threaded hole and sealing; Cavity, mainly on proof strength basis, plays the effect controlling liquid or gas flow.Its connecting surface requires that quality is high, and flange surface and chamber axis have position degree requirement simultaneously, and Set and Positioning requires high; On flange, seal groove requires finishing.Housing cavity is revolution feature, adds and adopts boring process man-hour, and housing profile is that curved surface adopts ball endmill to carry out Milling Process.
Valve housing class part, machining feature is many, and remodeling is many, and plurality of properties is obvious, and numerical control program establishment task amount is large, and the duplication of labour is many, and programming efficiency is low.
Summary of the invention
The present invention seeks to for valve housing series parts numerical control programming task large, the duplication of labour is many, the problem that programming efficiency is low, proposes the digital control programming method that can improve valve housing series parts numerical control programming efficiency.
To achieve these goals, technical scheme of the present invention is:
A digital control programming method for valve housing series parts, is characterized in that: according to minimum envelope principle determination blank model; Adopt Position with One Plane and Two Holes localization method, design outer cylinder Special Fixture for Machining, determines machining process route; According to the function of valve housing part, determine plurality of properties parameter and internal relation thereof, utilize equation and the plurality of properties parameter list of UG software, set up valve housing part template model, complete machining simulation, generate nc program code; The change of part template Model Series characterisitic parameter upgrades, and editor and succession process operation, generate cutter location file fast again, through aftertreatment, generates numerical control code.
The method comprises following concrete steps:
Step 1: the blank model determining valve housing part: according to minimum envelope principle determination blank model;
Step 2: design specialized fixture:
The outer cylinder processing of valve housing part needs design specialized fixture; Unit clamp by clamp base (1), left positioner flange wall (2), Right side support flange wall (3), screw thread rotation clamping combination unit (4) composition; Rough mill, finish-milling upper semi-circle cylinder profile (12), to rough mill, finish-milling lower half circle cylinder profile (13), rough mill, need six upset operation models on unit clamp altogether time seam crossing profile (14) in the middle part of the finish-milling face of cylinder;
The outer cylinder of valve housing part adds man-hour, valve housing part adopts large flange (17) end face to overlap with left positioner flange wall (2) face, and utilize two symmetrical holes on large flange (17) end face to be positioned by screw, left positioner flange wall (2) central aperture is processed valve housing inner cavity of component to facilitate boring cutter, and little flange (16) end face is clamped combination unit (4) clamping by screw thread rotation;
Step 3: the machining process route of valve design gate housing part: this machining process route is divided into five major parts, wherein:
The roughing of (a) valve housing inner cavity of component: blanking, half finish turning blank left side (9), blank right side (10), brill, expansion, boring housing cavity (11);
The external cylindrical surface profile roughing of (b) valve housing part: rough mill upper semi-circle cylinder profile (12), rough mill lower half circle cylinder profile (13), rough mill seam crossing profile (14) in the middle part of the face of cylinder, rough mill upper flange (15) end face, endoporus; This part manufacturing procedure needs the unit clamp using step 2 to design;
(c) thermal treatment;
The finishing of (d) valve housing inner cavity of component: the little flange of finish-milling (16) end face, finish-milling large flange (17) end face, seal groove, threaded hole, finish-milling small end face, boring, tapping, right boring shell inner hole (11);
The external cylindrical surface profile finishing of (e) valve housing part: finish-milling upper flange (15) end face, brill bottom outlet, tapping, grooving, finish-milling endoporus, inner rounding; Finish-milling upper semi-circle cylinder profile (12), finish-milling lower half circle cylinder profile (13), seam crossing profile (14) in the middle part of the finish-milling face of cylinder; This processing part needs the unit clamp using step 2 to design;
Step 4: set up valve housing part template model:
By analyzing the function and efficacy of valve housing part, determining valve housing plurality of properties parameter and internal relation thereof, utilizing the equation of UG software and plurality of properties parameter list to combine function, setting up valve housing part template model;
Step 5: complete the digital control processing cutter spacing file of valve housing part template model, machining simulation, aftertreatment, generates nc program code;
On the basis of step 4, set the assisted geometric such as job operation, cutter, tool setting point, coordinate system of the corresponding machining feature of valve housing part template model respectively according to step 2, setting process technological parameter, and generate cutter path, cutter location file, aftertreatment, generates numerical control code;
Step 6: the change of part template Model Series characterisitic parameter upgrades, editor and succession process operation, again generate cutter location file fast, aftertreatment, generate numerical control code.
The major function of described valve housing part is used to control the direction of fluid, pressure, flow, and choose the driving size of three flange inner diameter respectively as further feature on its each flange of described valve housing, other size on flange is as driven size; Each flange upper screwed hole number, size ensure strength of joint according to being designed for erection bolt, choose the number of each flange upper screwed hole, size also as driving size.Size, the depth parameter of seal groove also as driving feature, for driving the generation of series parts, and set up the relation between blank model size and part model size.Utilize the equation of UG software and plurality of properties parameter list to combine function, set up described valve housing part template model, and complete machining simulation and numerical control programming; Realize the change of described valve housing part template Model Series characterisitic parameter to upgrade, editor and succession process operation, again generate cutter location file fast, aftertreatment, generate numerical control code.
Outstanding substantive distinguishing features of the present invention and significant beneficial effect are:
The digital control programming method of a kind of valve housing series parts of the present invention, when the plurality of properties parameter of valve housing part template model and mutual relationship change upgrade time, by editing and inheriting process operation, the modification response of NC program can be realized, improve the automaticity of series parts nc program establishment.To solve series parts, numerical control program establishment task amount is large, and the duplication of labour is many, the problem that programming efficiency is low, improves the capability of fast response of production task.
Accompanying drawing explanation
Fig. 1 is the three-dimensional structure schematic diagram of valve housing part of the present invention;
Fig. 2 is valve housing part blank calculation diagram of the present invention;
Fig. 3 is the unit clamp three-dimensional structure schematic diagram of valve housing series parts of the present invention;
Fig. 4 is the upper surface manufacturing procedure jig installation position schematic diagram of valve housing series parts of the present invention;
Fig. 5 is the lower surface manufacturing procedure jig installation position schematic diagram of valve housing series parts of the present invention;
Fig. 6 is the middle transition surface working operation jig installation position schematic diagram of valve housing series parts of the present invention;
Fig. 7 is the upper flange end face manufacturing procedure jig installation position schematic diagram of valve housing series parts of the present invention;
Fig. 8 is the end face manufacturing procedure illustraton of model of valve housing series parts of the present invention;
Fig. 9 is the housing cavity manufacturing procedure illustraton of model of valve housing series parts of the present invention;
Figure 10 is flange and the outside surface feature model figure of valve housing series parts of the present invention;
Figure 11 is the parametric variable schematic diagram of valve housing series parts master module front section view of the present invention;
Figure 12 is the parametric variable schematic diagram of Figure 11 A-A cut-open view (little flange);
Figure 13 is the parametric variable schematic diagram of Figure 11 B-B cut-open view (upper flange);
Figure 14 is the parametric variable schematic diagram of Figure 11 C-C cut-open view (large flange);
Figure 15 is valve housing series parts structural representation of the present invention;
Modeling left surface structural representation after Figure 16 part family dd=66, dk=50, dq=50 drive;
Modeling left surface structural representation after Figure 17 part family dd=71, dk=55, dq=55 drive;
Figure 18 valve housing series parts of the present invention numerical control programming process flow diagram;
Figure 19 is the cutter track track of cylinder upper surface Milling Process of the present invention simulation;
Figure 20 valve housing series parts of the present invention operation omniselector sectional drawing;
Figure 21 updates definition lathe coordinate system interface;
Figure 22 is the cutter track track of internal bore boring operating simulation of the present invention.
Embodiment
Below in conjunction with accompanying drawing, specific embodiment of the invention is described further.
Step 1: the blank model determining valve housing part
The blank of valve housing part is round bar as shown in Figure 1, and material is duralumin, hard alumin ium alloy, and processing device therefor is common three axis machining center, non-turnning and milling compound, five axles and Multishaft processing center or other specialized working machine tool of machines; According to minimum envelope principle determination blank model.
As shown in Figure 2, the blank diameter parameter of definition valve housing part is md, the minimum diameter parameter ma of blank envelope part, large end flanges external diameter diameter is da, upper flanges external diameter diameter is dl, the distance of casing center axis and upper flanges end face is lp, being h, following formula can be had to set up for calculating the intermediate parameters of blank diameter:
Ma:h=h:(da/2+lp) (formula 1)
H
2=(dl/2)
2+ (da/2+lp)
2(formula 2)
Through type 1, formula 2 can obtain: ma=[(dl/2)
2+ (da/2+lp)
2]/[(dl/2)
2+ (da/2+lp)
2]
(formula 3)
Get md=round (ma+4)
Md=round ([(dl/2)
2+ (da/2+lp)
2]/[(dl/2)
2+ (da/2+lp)
2]+4) (formula 4)
In (formula 3), (formula 4), round is bracket function; And in conjunction with the specification of marketing material, determine blank diameter near specification value.
Step 2: design specialized fixture
As shown in Figure 3, the outer cylinder processing of valve housing part needs design specialized fixture; Unit clamp by clamp base 1, left positioner flange wall 2, Right side support flange wall 3, screw thread rotation clamping combination unit 4 form; Rough mill, finish-milling upper semi-circle cylinder profile 12, to rough mill, finish-milling lower half circle cylinder profile 13, rough mill, need three upset operation models on unit clamp altogether during seam crossing profile 14 in the middle part of the finish-milling face of cylinder;
The outer cylinder of the outer cylinder processing valve housing part of valve housing part adds man-hour, valve housing part adopts large flange 17 end face to overlap with left positioner flange wall 2, and utilize two symmetrical holes on large flange 17 end face to be positioned by screw, left positioner flange wall 2 central aperture is processed valve housing inner cavity of component to facilitate boring cutter, and little flange 16 end face is clamped by screw thread rotation clamping combination unit 4;
As shown in figs. 4-7, operation 4, operation 14 is processed, operation 5, operation 15 is processed, operation 6, operation 16 is processed, operation 7, operation 13 is processed, the external cylindrical surface upper surface manufacturing procedure model 5 of valve housing part, external cylindrical surface lower surface manufacturing procedure model 6, joint face manufacturing procedure model 7 in the middle part of external cylindrical surface, large flange 17 end face of upper flange surface manufacturing procedure model 8 overlaps with left positioner flange wall 2 respectively, by two pilot holes of bolt and nut packing ring securing member through large flange 17 end face, by fastening to large flange end face 17 and left positioner flange wall 2, small end face flange 16 is clamped by screw thread rotation clamping combination unit 4.Realize the processing of corresponding operation.
Step 3: the machining process route of valve design gate housing part
As shown in Fig. 6, Fig. 8-10, the mechanical processing technique route of valve housing part is broadly divided into five major parts:
(1) roughing of valve housing inner cavity of component
Blanking, half finish turning blank left side 9, blank right side 10, brill, expansion, boring housing cavity 11;
(2) the external cylindrical surface profile roughing of valve housing part
Rough mill upper semi-circle cylinder profile 12, rough mill lower half circle cylinder profile 13, rough mill seam crossing profile 14 in the middle part of the face of cylinder, rough mill upper flange 15 end face, endoporus; This part manufacturing procedure needs the unit clamp using step 2 to design;
(3) thermal treatment;
(4) finishing of valve housing inner cavity of component
Finish-milling little flange 16 end face, finish-milling large flange 17 end face, seal groove, threaded hole, finish-milling small end face, boring, tapping, right boring shell inner hole 11;
(5) the external cylindrical surface profile finishing of valve housing part
Finish-milling upper flange 15 end face, brill bottom outlet, tapping, grooving, finish-milling endoporus, inner rounding; Finish-milling upper semi-circle cylinder profile 12, finish-milling lower half circle cylinder profile 13, seam crossing profile 14 in the middle part of the finish-milling face of cylinder; This processing part needs the unit clamp using step 2 to design;
Detailed content is shown in Table 1.
The mechanical processing process of table 1 valve housing part
Step 4: set up valve housing part template model
Setting up valve housing part template model is the basis realizing the quick numerical control programming of valve housing series parts; Valve housing part template model is the three-dimensional series parameterized model comprising serial performance parameter and internal relation thereof, and establishes the relation between part model and blank model.Valve housing three-dimensional part model and blank model thereof can be automatically generated after valve housing part template Model Series performance parameter variations.On the basis of valve housing part template model, according to the mechanical processing process of table 1, machining simulation can be completed, aftertreatment generates numerical control program code.
(1) series drives the determination of parameter
As shown in Figure 11-Figure 17, major function according to valve housing part is used to control the direction of fluid, pressure, flow, choose the driving size of three flange inner diameter respectively as further feature on its each flange of valve housing, other size on flange is as driven size; Each flange upper screwed hole number, size ensure strength of joint according to being designed for erection bolt in addition, choose the number of each flange upper screwed hole, size also as driving size.Size, the depth parameter of seal groove also as driving feature, for driving the generation of series parts, and set up the relation (as shown in Figure 2) between blank model size and part model size.
(2) name of parameter and relational expression
As shown in Figure 11-Figure 17, according to parameter drive the classification of size, name it to drive parameter with the type information of size, realize rationalization and the standardization of the name of its dimensional parameters.
First the parameter of valve housing class part is categorized as: diameter parameters, radius parameter, length parameter, angle parameter, number parameter.
Diameter parameters: the revolution parameter of controlling feature, name is followed successively by da, db, dc
Radius parameter: the characteristic parameter controlling chamfering, name is followed successively by ra, rb, rc
Length parameter: the location of controlling feature, name is followed successively by la, lb, lc
Angle parameter: controlling dimension orientation angle, name is followed successively by ja, jb, jc
Number parameter: the number of controlling feature, name is followed successively by na, nb, nc
Valve housing plurality of properties parameter and implication thereof describe and are shown in Table 2.
The driving parameter of table 2 valve housing part and relational expression
(3) valve housing part template model is set up
Drawing outline sketch, set up corresponding relation according to table 2 defining variable, by controlling to drive size and feature, completing the establishment of valve housing part template model.Figure 15 is the generation example of valve housing series parts, and Figure 16 is the modeling left surface structural representation after dd=66, dk=50, dq=50 drive, and Figure 17 is the modeling left surface structural representation after dd=71, dk=55, dq=55 drive.
Step 5: complete the digital control processing cutter spacing file of valve housing part template model, machining simulation, aftertreatment, generates nc program code
As shown in figure 18, on the basis of step 4, create lathe coordinate system, create security plane, create cutting zone solid, the job operation of the corresponding machining feature of valve housing series parts is set according to step 3, according to table 1 setting process technological parameter, and generate cutter track track, verify through machining simulation, if machining simulation does not meet the demands, then need to update amendment said process.After machining simulation meets the demands, then carry out aftertreatment, generate numerical control code.Figure 19 shows that the cutter track track of valve housing part upper semi-circle cylinder profile rough milling.
Step 6: the change of part template Model Series characterisitic parameter upgrades, editor and succession process operation, again generate cutter location file fast, aftertreatment, generate numerical control code.
(1) change of part model and blank model upgrades
Blank modeling adopts the stretching order of UG, with the x-y plane of the frame of reference for cross section painted by grass, is li to large flange end face stretching distance; Be lf-li to little end face of flange stretching distance.The positions of materials and volume that digital control processing will excise is defined with the topological criteria of blank model and part model, by size and the position of state modulator determination blank part, corresponding change can be made in the size of blank part and position along with the change of Parameters of The Parts.
Its driving size of Figure 16 and Figure 17 and topological structure have obvious difference, and blank dimension is respective change along with the change of accessory size, and blank diameter is larger than the minimum containing diameter of part model all the time.The parametric control of blank and part model can ensure that cutter track track does not produce unnecessary idle motion.
Click [application module] button in UG toolbar, click [processing] button, enter UG factory interface, as shown in figure 20, the numerical control processing and operating based on part template is re-started generation to operation omniselector sectional drawing now by the numerical control programming of newly-generated valve housing part.
(2) operation is edited and processed
The parameter of part template process is defined by numerical value or expression formula realizes, and the definition of part geometry body, cutting solid, security plane dependence table 2 Parameter relation formula upgrades; Redefine lathe coordinate system to facilitate the automatic generation of numerical control code after part plurality of properties Parameters variation.
Describe in detail for the process operation of the first step below.
1. Cutter coordinate system is redefined
Double-click coordinate system [1-1], click [coordinate system] button of [MCS], eject and specify lathe coordinate system dialog box as shown in figure 21, choose the center of circle of blank operation model for location, then in coordinate dialog box, named parameter za is inputted, then click [determination] button, complete redefining of digital control processing coordinate system [1-1].
After part plurality of properties Parameters variation, in process operation, programming coordinates system redefines as shown in table 3.
Table 3 redefines coordinate system operation table
Carry out redefining of numerical control processing and operating according to step operation each listed by table 3, operation steps reference coordinate system 1-1 operates.
2. process operation is redefined.
According to the process of Figure 20 operation omniselector, again upgrade process operation, [Tool-path Generation] button in click tools hurdle, generate the cutter track track after part plurality of properties Parameters variation.
(3) after plurality of properties Parameters variation, the aftertreatment of part process operation and contrast thereof
Choose boring endoporus process operation operation, process operation cutter path as shown in figure 22.The forward and backward numerical control code file of plurality of properties Parameters variation is as shown in table 4, the difference of the machined parameters of the post-processed file of twice can be seen by contrast clearly, demonstrate plurality of properties Parameters variation and can realize part Series Design and its digital control processing fast programming.
The table 4 post-processed file table of comparisons
Claims (3)
1. a digital control programming method for valve housing series parts, is characterized in that: according to minimum envelope principle determination blank model; Adopt Position with One Plane and Two Holes localization method, design outer cylinder Special Fixture for Machining, determines machining process route; According to the function of valve housing part, determine plurality of properties parameter and internal relation thereof, utilize equation and the plurality of properties parameter list of UG software, set up valve housing part template model, complete machining simulation, generate nc program code; The change of part template Model Series characterisitic parameter upgrades, and editor and succession process operation, generate cutter location file fast again, through aftertreatment, generates numerical control code.
2., according to the digital control programming method of a kind of valve housing series parts of claim 1 art, it is characterized in that: the method comprises following concrete steps:
Step 1: the blank model determining valve housing part: according to minimum envelope principle determination blank model;
Step 2: design specialized fixture:
The outer cylinder processing of valve housing part needs design specialized fixture; Unit clamp by clamp base (1), left positioner flange wall (2), Right side support flange wall (3), screw thread rotation clamping combination unit (4) composition; Rough mill, finish-milling upper semi-circle cylinder profile (12), to rough mill, finish-milling lower half circle cylinder profile (13), rough mill, need six upset operation models on unit clamp altogether time seam crossing profile (14) in the middle part of the finish-milling face of cylinder;
The outer cylinder of valve housing part adds man-hour, valve housing part adopts large flange (17) end face to overlap with left positioner flange wall (2) face, and utilize two symmetrical holes on large flange (17) end face to be positioned by screw, left positioner flange wall (2) central aperture is processed valve housing inner cavity of component to facilitate boring cutter, and little flange (16) end face is clamped combination unit (4) clamping by screw thread rotation;
Step 3: the machining process route of valve design gate housing part: this machining process route is divided into five major parts, wherein:
The roughing of (a) valve housing inner cavity of component: blanking, half finish turning blank left side (9), blank right side (10), brill, expansion, boring housing cavity (11);
The external cylindrical surface profile roughing of (b) valve housing part: rough mill upper semi-circle cylinder profile (12), rough mill lower half circle cylinder profile (13), rough mill seam crossing profile (14) in the middle part of the face of cylinder, rough mill upper flange (15) end face, endoporus; This part manufacturing procedure needs the unit clamp using step 2 to design;
(c) thermal treatment;
The finishing of (d) valve housing inner cavity of component: the little flange of finish-milling (16) end face, finish-milling large flange (17) end face, seal groove, threaded hole, finish-milling small end face, boring, tapping, right boring shell inner hole (11);
The external cylindrical surface profile finishing of (e) valve housing part: finish-milling upper flange (15) end face, brill bottom outlet, tapping, grooving, finish-milling endoporus, inner rounding; Finish-milling upper semi-circle cylinder profile (12), finish-milling lower half circle cylinder profile (13), seam crossing profile (14) in the middle part of the finish-milling face of cylinder; This processing part needs the unit clamp using step 2 to design;
Step 4: set up valve housing part template model:
By analyzing the function and efficacy of valve housing part, determining valve housing plurality of properties parameter and internal relation thereof, utilizing the equation of UG software and plurality of properties parameter list to combine function, setting up valve housing part template model;
Step 5: complete the digital control processing cutter spacing file of valve housing part template model, machining simulation, aftertreatment, generates nc program code;
On the basis of step 4, set the assisted geometric such as job operation, cutter, tool setting point, coordinate system of the corresponding machining feature of valve housing part template model respectively according to step 2, setting process technological parameter, and generate cutter path, cutter location file, aftertreatment, generates numerical control code;
Step 6: the change of part template Model Series characterisitic parameter upgrades, editor and succession process operation, again generate cutter location file fast, aftertreatment, generate numerical control code.
3. the digital control programming method of a kind of valve housing series parts according to claim 1, it is characterized in that: the major function of described valve housing part is used to the direction of control fluid, pressure, flow, choose the driving size of three flange inner diameter respectively as further feature on its each flange of described valve housing, other size on flange is as driven size; Each flange upper screwed hole number, size ensure strength of joint according to being designed for erection bolt, choose the number of each flange upper screwed hole, size also as driving size.Size, the depth parameter of seal groove also as driving feature, for driving the generation of series parts, and set up the relation between blank model size and part model size.Utilize the equation of UG software and plurality of properties parameter list to combine function, set up described valve housing part template model, and complete machining simulation and numerical control programming; Realize the change of described valve housing part template Model Series characterisitic parameter to upgrade, editor and succession process operation, again generate cutter location file fast, aftertreatment, generate numerical control code.
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| CN106552959A (en) * | 2015-09-24 | 2017-04-05 | 苏州恩威尔机械有限公司 | A kind of valve body boring grab and valve body production technology |
| CN108788653A (en) * | 2018-07-02 | 2018-11-13 | 诸暨市迅捷离合器有限公司 | A kind of processing technology of brake yoke |
| CN109683554A (en) * | 2018-12-28 | 2019-04-26 | 楚天智能机器人（长沙）有限公司 | A kind of Intelligent Machining method suitable for the production of more specification products |
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| CN111442125A (en) * | 2020-04-30 | 2020-07-24 | 上海建桥学院 | Ball valve cover and numerical control machining method thereof |
| CN111650880A (en) * | 2020-05-15 | 2020-09-11 | 成都飞机工业（集团）有限责任公司 | Programming method for batch creation of deburring tool path based on UG/NX |
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| CN111783244A (en) * | 2020-06-19 | 2020-10-16 | 珠海格力大金精密模具有限公司 | UG software-based part machining tool path generation method, computer device and computer-readable storage medium |
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