CN106055825A - Modeling realization method and system based on CAD - Google Patents
Modeling realization method and system based on CAD Download PDFInfo
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- CN106055825A CN106055825A CN201610416615.1A CN201610416615A CN106055825A CN 106055825 A CN106055825 A CN 106055825A CN 201610416615 A CN201610416615 A CN 201610416615A CN 106055825 A CN106055825 A CN 106055825A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/36—Circuit design at the analogue level
- G06F30/367—Design verification, e.g. using simulation, simulation program with integrated circuit emphasis [SPICE], direct methods or relaxation methods
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/20—Drawing from basic elements, e.g. lines or circles
- G06T11/203—Drawing of straight lines or curves
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
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Abstract
The invention discloses a modeling realization method and system based on CAD. The method comprises the steps of carrying out real-time detection on input parameters of a user when it is detected that a CAD application is operated; obtaining a drawing instruction in the input parameters, comparing and matching the drawing instruction with a pre-stored instruction library, and calling a drawing script corresponding to the drawing instruction when the matching is successful; and automatically drawing a corresponding model by operating the drawing script and the input parameters, and displaying the model. According to the method and the system, secondary development of AutoCAD is realized; and the CAD is enabled to have functions such as calculating a text file, carrying out value integration and value solution equation of a CAD expression, drawing a gear, carrying out line cutting, and designing and cutting garment and shoe paper patterns, thereby facilitating the user.
Description
Technical field
The present invention relates to mechanical drawing technical field, a kind of modeling implementation method based on CAD and be
System.
Background technology
AutoCAD is a powerful drawing platform, is also the mapping software of world.But AutoCAD only has
The function drawn, the function that the most just seems is not enough.Having a lot of formula curve in design process, AutoCAD cannot paint
System, it is necessary to make secondary development so that CAD possesses the function drawing formula curve, the CAD calculating to text;CAD expression formula
Numerical integration and numerical value solve equation;The function of gear, the function of line cutting, clothing shoe pattern paper pattern design and cutting function.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of modeling implementation method based on CAD
And system, it is intended to solve AutoCAD in prior art and cannot draw formula curve, it is impossible to carry out text calculating, it is impossible to rapid drawing
Gear processed, the defect that function is the most single.
Technical scheme is as follows:
A kind of modeling implementation method based on CAD, wherein, including step:
A, when detecting that CAD application program runs, then the input parameter of user is detected in real time；
B, the drawing for order obtained in input parameter, and compare with the instruction database of pre-stored and mate, then adjust when the match is successful
With the drawing script corresponding with drawing for order；
C, by running drawing script and input parameter draws the model of correspondence automatically, and show.
Described modeling implementation method based on CAD, wherein, described instruction database includes roller gear drawing for order, internal tooth
Wheel drawing for order, external gear pump pair drawing for order, internal gear pair drawing for order, planetary system gear drawing for order, straight-tooth cone tooth
Wheel set drawing for order, helical bevel gear pair drawing for order, arc tooth conical gear drawing for order, cycloidal-pin wheel planetary drawing for order,
Elliptical skew gear drawing for order, noncircular gear pair drawing for order, not rounded planet 4-6 rank gear drawing for order, not rounded planet 6-8 rank
Gear drawing for order and harmonic gear drawing for order.
Described modeling implementation method based on CAD, wherein, in described step A, the input parameter of user includes drawing for order,
And the initial parameter of the model corresponding with drawing for order.
Described modeling implementation method based on CAD, wherein, described step B specifically includes:
B1, the drawing for order obtained in input parameter, and compare with the instruction database of pre-stored and mate, then hold when the match is successful
Row step B2, then performs step B3 when it fails to match；
B2, call the drawing script corresponding with drawing for order；
B3, carried out by a pop-up box invalid drawing for order and whether re-type input parameter prompting.
A kind of modeling based on CAD realizes system, wherein, and including:
Input detection module, for when detecting that CAD application program runs, then examines the input parameter of user in real time
Survey；
Matching module, for obtaining the drawing for order in input parameter, and compares with the instruction database of pre-stored and mate, mate
The drawing script corresponding with drawing for order is then called during success；
Automatic Drawing module, for automatically being drawn the model of correspondence by operation drawing script and input parameter, and is shown.
Described modeling based on CAD realizes system, and wherein, described instruction database includes roller gear drawing for order, internal tooth
Wheel drawing for order, external gear pump pair drawing for order, internal gear pair drawing for order, planetary system gear drawing for order, straight-tooth cone tooth
Wheel set drawing for order, helical bevel gear pair drawing for order, arc tooth conical gear drawing for order, cycloidal-pin wheel planetary drawing for order,
Elliptical skew gear drawing for order, noncircular gear pair drawing for order, not rounded planet 4-6 rank gear drawing for order, not rounded planet 6-8 rank
Gear drawing for order and harmonic gear drawing for order.
Described modeling based on CAD realizes system, and wherein, in described input detection module, the input parameter of user includes painting
Figure instruction, and the initial parameter of the model corresponding with drawing for order.
Described modeling based on CAD realizes system, and wherein, described matching module includes:
Control unit, for obtaining the drawing for order in input parameter, and compares with the instruction database of pre-stored and mate, mate
Then start the first performance element during success, when it fails to match, then start the second performance element；
First performance element, for calling the drawing script corresponding with drawing for order；
Second performance element, for carrying out invalid drawing for order by a pop-up box and whether re-typing carrying of input parameter
Show.
Modeling realization method and system based on CAD of the present invention, method includes: when CAD application program being detected
During operation, then the input parameter of user is detected in real time；Obtain the drawing for order in input parameter, and with the finger of pre-stored
Make storehouse compare coupling, when the match is successful, then call the drawing script corresponding with drawing for order；By run drawing script and
Input parameter draws the model of correspondence automatically, and shows.Present invention achieves the secondary development to AutoCAD so that CAD possesses
Drawing formula curve, the calculating to text, numerical integration and the numerical value of CAD expression formula solve equation, and draw gear, and line is cut
Cut, clothing shoe pattern paper pattern design and cutting function, facilitate user.
Accompanying drawing explanation
Fig. 1 is the flow chart of modeling implementation method preferred embodiment based on CAD of the present invention.
Fig. 2 is the structural representation of the roller gear automatically drawn by modeling implementation method based on CAD of the present invention
Figure.
Fig. 3 is the structural representation of the internal gear automatically drawn by modeling implementation method based on CAD of the present invention.
Fig. 4 is the structure of the external gear pump pair automatically drawn by modeling implementation method based on CAD of the present invention
Schematic diagram.
Fig. 5 is the structural representation of the internal gear pair automatically drawn by modeling implementation method based on CAD of the present invention
Figure.
Fig. 6 is the cycloidal-pin wheel planetary gear automatically drawn by modeling implementation method based on CAD of the present invention
Structural representation.
Fig. 7 is that the structure of the involute spline automatically drawn by modeling implementation method based on CAD of the present invention is shown
It is intended to.
Fig. 8 is the first of the spur bevel gear automatically drawn by modeling implementation method based on CAD of the present invention
The structural representation of preferred embodiment.
Fig. 9 is the second of the spur bevel gear automatically drawn by modeling implementation method based on CAD of the present invention
The structural representation of preferred embodiment.
Figure 10 is the structure of the arc tooth conical gear automatically drawn by modeling implementation method based on CAD of the present invention
Schematic diagram.
Figure 11 is the structure of the helical bevel gear pair automatically drawn by modeling implementation method based on CAD of the present invention
Schematic diagram.
Figure 12 is the structural representation of the non-circular gear automatically drawn by modeling implementation method based on CAD of the present invention
Figure.
Figure 13 is the non-circular gear of the arbitrary curve automatically drawn by modeling implementation method based on CAD of the present invention
Secondary structural representation.
Figure 14 is the knot on the not rounded planet 4-6 rank automatically drawn by modeling implementation method based on CAD of the present invention
Structure schematic diagram.
Figure 15 is the knot on the not rounded planet 6-8 rank automatically drawn by modeling implementation method based on CAD of the present invention
Structure schematic diagram.
Figure 16 is that the structure of the elliptical skew gear automatically drawn by modeling implementation method based on CAD of the present invention is shown
It is intended to.
Figure 17 is the elliptic gear oil consumption sensor automatically drawn by modeling implementation method based on CAD of the present invention
Structural representation.
Figure 18 is non-circular gear--the nibbling of tooth bar automatically drawn by modeling implementation method based on CAD of the present invention
Close structural representation.
Figure 19 is the harmonic gear----internal gear automatically drawn by modeling implementation method based on CAD of the present invention
The structural representation of mating engagement the first preferred embodiment with elliptic gear.
Figure 20 is the harmonic gear----internal gear automatically drawn by modeling implementation method based on CAD of the present invention
The structural representation of mating engagement the second preferred embodiment with elliptic gear.
Figure 21 is the structural representation of the numerical controlled carving automatically drawn by modeling implementation method based on CAD of the present invention
Figure.
Figure 22 is the structural representation of the machining path automatically drawn by modeling implementation method based on CAD of the present invention
Figure.
Figure 23 is the knot cutting embedded SMA actuators path automatically drawn by modeling implementation method based on CAD of the present invention
Structure schematic diagram.
Figure 24 is automatically disposably to generate institute by what modeling implementation method based on CAD of the present invention was drawn automatically
There is the structural representation of the linear cutter program of die cavity.
Figure 25 is the schematic diagram by modeling implementation method center line based on CAD of the present invention cutting.
Figure 26 is by showing that dress designing full-automation line in modeling implementation method based on CAD of the present invention cuts
It is intended to.
Figure 27 is the shoe pattern paper pattern design and cutting automatically drawn by modeling implementation method based on CAD of the present invention
The structural representation of software.
Figure 28 is the structured flowchart that modeling based on CAD of the present invention realizes system preferred embodiment.
Detailed description of the invention
The present invention provides a kind of modeling realization method and system based on CAD, for make the purpose of the present invention, technical scheme and
Effect is clearer, clear and definite, and the present invention is described in more detail below.Should be appreciated that specific embodiment described herein
Only in order to explain the present invention, it is not intended to limit the present invention.
Referring to Fig. 1, it is the flow chart of modeling implementation method preferred embodiment based on CAD of the present invention.Such as Fig. 1
Shown in, described modeling implementation method based on CAD, including step:
Step S100, when detecting that CAD application program runs, then the input parameter of user is detected in real time.
Step S200, the drawing for order obtained in input parameter, and compare with the instruction database of pre-stored and mate, mate
The drawing script corresponding with drawing for order is then called during success.
Step S300, by running drawing script and input parameter draws the model of correspondence automatically, and show.
When being embodied as, described instruction database includes roller gear drawing for order, internal gear drawing for order, external gear pump
Secondary drawing for order, internal gear pair drawing for order, planetary system gear drawing for order, straight bevel gear pair drawing for order, helical teeth cone tooth
Wheel set drawing for order, arc tooth conical gear drawing for order, cycloidal-pin wheel planetary drawing for order, elliptical skew gear drawing for order, non-
Knuckle-tooth wheel set drawing for order, not rounded planet 4-6 rank gear drawing for order, not rounded planet 6-8 rank gear drawing for order and harmonic wave tooth
Wheel drawing for order.
Understand technical scheme in order to clearer, below by specific embodiment, Automatic Drawing mistake is described
Journey.
Embodiment one:
In AutoCAD, need only load operating gear.vlx order, just can automatically draw roller gear in AutoCAD and (both may be used
Roller gear figure is drawn, it is possible to draw gear graph by reference diameter by gear common normal length), AutoCAD draws automatically
Roller gear is as shown in Figure 2.Demonstration program geardemo.vlx prints following information on AutoCAD text window, simultaneously
It is stored in file gear.txt.
Input parameter:
Normal module Mn=3.0
Transverse module Mt=3.10583
Number of gear teeth z=13
Normal plane pressure angle of graduated circle α n=20.0 °
End face pressure angle of graduated circle α t=20.6469 °
Addendum coefficient han=1.0
Tip clearance coefficient cn=0.25
Helixangleβ=15.0 °
Gear Root curvilinear circular ascent kc=0.38
The normal plane displacement factor χ n=0.3 of gear
The end face displacement factor χ t=0.289778 of gear
Gear the first tolerance group accuracy class IT=8
Gear the second tolerance group accuracy class IT=7
Result of calculation:
Addendum circle diameter of gear da=48.1758
Root diameter of gear df=34.6758
Gear compound graduation circular diameter d=40.3758
Rolling circle diameter db=37.7825
Tooth depth variable Δ y=0
Pole (ball) diameter dp=4.95
Pressure angle α M=28.8738 ° of pole (ball) place, center circle
Pole (ball) span M=47.7816
Chordal thickness sf=4.73965 of gear
Constant cord height hf=3.03745 of gear
The equivalent tooth reference circle chordal tooth thickness sv=5.35378 of gear
The equivalent tooth reference circle chordal height hv=4.06623 of gear
The common normal spanning measure tooth number k=2 of gear
Base tangent length w=14.5032 of gear
Normal plane tooth top thickness sa=1.48098 of gear
For Hardened gear face, it is necessary to sa > 0.25*mn=0.75
For the soft flank of tooth, it is necessary to sa > 0.40*mn=1.2
Thickness limit deviation presses GB10095-88 recommendation:
Transverse tooth thickness limit upper deviation Ess:-112 μm, deviation code name: H
Transverse tooth thickness limit lower deviation Esi:-168 μm, deviation code name: K
Transverse tooth thickness tolerance Ts=56 μm
Tooth runout Fr=45 μm
Common normal average length upper deviation Ewms=-116 μm
Common normal average length lower deviation Ewmi=-147 μm
Common normal tolerance Twm=31 μm
Common normal greatest length Wms=14.3869
Common normal minimum length Wmi=14.3564
Maximum pressure angle α Ms=28.3202 ° of pole (ball) place, center circle
Pole (ball) maximum outreach Ms=47.5566
Minimum pressure angle α Mi=28.0335 ° of pole (ball) place, center circle
Pole (ball) minimum spanning distance Mi=47.4425
During tooth depth variable Δ y=0, gear crest width be modification coefficient χ n1_mn25 during 0.25*mn=
0.661353 (for Hardened gear face, it is necessary to less than this modification coefficient)
During tooth depth variable Δ y=0, gear crest width be modification coefficient χ n1_mn40 during 0.4*mn=
0.449152 (for the soft flank of tooth, it is necessary to less than this modification coefficient)
The minimum modification coefficient that gear not root is cut is: 0.156305 (selected modification coefficient have to be larger than the displacement system that this root is cut
Number)
The facewidth must be more than: 3.75371
Base spiral angle β b=14.0761 °
Basic circle normal circular pitch Pbn=8.85639
The common normal spanning measure tooth number k and pole (ball) diameter dp of institute's input gear do not affect the size of gear, only for gear conduct
The purposes measured.
Embodiment two:
In AutoCAD, need only load operating igear.vlx order, just can automatically draw internal gear in AutoCAD,
The internal gear that AutoCAD draws automatically is as shown in Figure 3.Demonstration program igeardemo.vlx prints on AutoCAD text window
Go out following information, be stored in file igear.txt simultaneously.
Input parameter:
Normal module Mn=3.0
Transverse module Mt=3.10583
Number of gear teeth z=31
Normal plane pressure angle of graduated circle α n=20.0 °
End face pressure angle of graduated circle α t=20.6469 °
Addendum coefficient han=1.0
Tip clearance coefficient cn=0.25
Helixangleβ=15.0 °
Internal gear root fillet coefficient k r=0.2
The normal plane displacement factor χ n=0.2 of gear
The end face displacement factor χ t=0.193185 of gear
Result of calculation:
Addendum circle diameter of gear da=92.8307
Root diameter of gear df=104.981
Gear compound graduation circular diameter d=96.2807
Rolling circle diameter db=90.0967
Pole (ball) diameter dp=5.0
Pressure angle α M=19.8704 ° of pole (ball) place, center circle
Pole (ball) span M=90.6773
Chordal thickness sf=3.77547 of gear
Constant cord height hf=1.06518 of gear
The equivalent tooth reference circle chordal tooth thickness sv=4.2744 of gear
The equivalent tooth reference circle chordal height hv=1.70798 of gear
The common normal spanning measure tooth number k=4 of gear
Base tangent length w=32.8457 of gear
Normal plane tooth top thickness sa=3.09529 of gear
For Hardened gear face, must sa > 0.25*mn=0.75
For the soft flank of tooth, must sa > 0.40*mn=1.2
Reference circle normal plane circular tooth thickness sn=4.27562 of gear
Thickness limit deviation presses GB10095-88 recommendation:
Transverse tooth thickness limit upper deviation Ess:-112 μm, deviation code name: H
Transverse tooth thickness limit lower deviation Esi:-168 μm, deviation code name: K
Transverse tooth thickness tolerance Ts=56 μm
Tooth runout Fr=45 μm
Common normal average length upper deviation Ewms=147 μm
Common normal average length lower deviation Ewmi=116 μm
Common normal tolerance Twm=31 μm
Common normal greatest length Wms=32.9925
Common normal minimum length Wmi=32.962
Maximum pressure angle α Ms=20.6307 ° of pole (ball) place, center circle
Pole (ball) maximum outreach Ms=91.1469
Minimum pressure angle α Mi=20.3841 ° of pole (ball) place, center circle
Pole (ball) minimum spanning distance Mi=90.9922
The facewidth have to be larger than: 8.50109
The common normal spanning measure tooth number k and pole (ball) diameter dp of institute's input gear do not affect the size of gear, only for gear conduct
The purposes measured.
Embodiment three:
In AutoCAD, need only load operating z1z2.vlx order, just can automatically draw external gear pump in AutoCAD secondary,
The external gear pump pair that AutoCAD draws automatically is as shown in Figure 4.Demonstration program z1z2demo.vlx is at AutoCAD text window
On print following information, be stored in file z1z2.txt simultaneously.
Input parameter:
Normal module Mn=3.0
Transverse module Mt=3.06702
Number of teeth z1=13
Number of teeth z2=37
Normal plane pressure angle of graduated circle α n=20.0 °
End face pressure angle of graduated circle α t=20.4103 °
Addendum coefficient han=1.0
Tip clearance coefficient cn=0.25
Helixangleβ=12.0 °
Tooth root curvilinear circular ascent kc=0.38
Gear z1 facewidth B1=60.0
Gear z2 facewidth B2=55.0
Gear the second tolerance group accuracy class IT=7
Result of calculation:
Operating center distance a'=77.0
Limit deviation of centre distance: ± 23.0 μm
Minimum normal backlash Jbnmin=126 μm (reference value)
(being calculated by Jbnmin=2/3* (0.06+0.0005*ai+0.03*mn))
Minimum sideshake Jnmin=120 μm (reference value) (by GB10095-88 reference value)
Reference center distance a=76.6755
Center distance change factor y=0.105788
Meshingangleα '=21.0496 °
Tooth depth displacement factor Δ y=0.00159377
Normal plane net slip factor Σ χ n=0.109781
External gear pump secondary z1, z2 gear ratio u12=2.84615
The normal plane displacement factor χ n1=0.3 of gear z1
The normal plane displacement factor χ n2=-0.190219 of gear z2
End face net slip factor Σ χ t=0.107382
The end face displacement factor χ t1=0.293444 of gear z1
The end face displacement factor χ t2=-0.186062 of gear z2
Gear z1 tip diameter da=47.6615 gear z1 root diameter df=34.1713
Gear z1 reference diameter d=39.8713 gear z1 base circle diameter (BCD) db=37.3681
Chordal thickness sf1=4.73965 of gear z1
Constant cord height hf1=3.03257 of gear z1
The virtual number of teeth zv1=13.8909 of gear z1
The equivalent tooth reference circle chordal tooth thickness sv1=5.35271 of gear z1
The equivalent tooth reference circle chordal height hv1=4.06771 of gear z1
The common normal spanning measure tooth number k1=2 of gear z1
Base tangent length w1=14.482 of gear z1
Normal plane tooth top thickness sa1=1.45333 of gear z1
Typically require sa1 > 0.25*mn=0.75
The surface hardening flank of tooth, it is necessary to sa1 > 0.40*mn=1.2
Gear z2 tip diameter da=118.329
Gear z2 root diameter df=104.838
Gear z2 reference diameter d=113.48
Gear z2 base circle diameter (BCD) db=106.355
Chordal thickness sf2=3.79433 of gear z2
Constant cord height hf2=1.73394 of gear z2
The virtual number of teeth zv2=39.5356 of gear z2
The equivalent tooth reference circle chordal tooth thickness sv2=4.28937 of gear z2
The equivalent tooth reference circle chordal height hv2=2.73944 of gear z2
The common normal spanning measure tooth number k2=4 of gear z2
Base tangent length w2=32.2628 of gear z2
Normal plane tooth top thickness sa2=2.38555 of gear z2
Typically require sa2 > 0.25*mn=0.75
The surface hardening flank of tooth, it is necessary to sa2 > 0.40*mn=1.2
Transverse contact ratio ε α=1.44725 (should be greater than or equal to 1.0, general >=1.2)
The sliding ratio η 12_1=4.28855 of z1
The sliding ratio η 12_2=2.27271 of z2
(sliding ratio η 12_1, η 12_2 should be close, equal ideal, typically require sliding ratio η < 4.0)
The pressure of z1 is than ζ 1=1.81483
(pressure should be less than 1.4 ~ 1.7 than ζ, and wherein pressure ratio is used to indicate that flank profil each point than ζ 2=0.879408 for the pressure of z2
Contact stress and the ratio of contact stress at node, its distribution situation is similar to sliding ratio distribution situation;Sliding ratio η is used to
Represent profile wear, typically require η<4.0 Face contact ratio ε β=1.21331 (should be greater than or equal to 1.0, typically>=1.2))
Coefficient of facewidth (b/d) ψ d=1.37944
Known centre-to-centre spacing a'=77.00000000, by gear z1, z2 sliding ratio (profile wear rate) equal calculating modification coefficient:
By sliding ratio=gear z2 and the tooth of the engagement sliding ratio equal η 12_1=η 12_2:(gear z1 of gear z1, z2 and gear z2
The sliding ratio of wheel z1)
The normal plane modification coefficient χ n1=0.411908 of gear z1
The normal plane modification coefficient χ n2=-0.302126 of gear z2
Transverse contact ratio ε α=1.42064 (should be greater than or equal to 1.0, general >=1.2)
Gear z1 and gear z2 engages sliding ratio η 12_1=2.53822
Gear z2 and gear z1 engages sliding ratio η 12_2=2.53822
Sliding ratio η is used to indicate that profile wear, typically requires η < 4.0
The pressure of gear z1 is than ζ 1=1.53018
The pressure of gear z2 is than ζ 2=0.882469 (pressure should be less than 1.4 ~ 1.7 than ζ)
Known centre-to-centre spacing a'=77.00000000, by gear z1, z2 pressure than equal calculating modification coefficient:
By the pressure of gear z1, the z2 pressure than the pressure ratio=gear z2 and gear z1 of equal ζ 1=ζ 2:(gear z1 and gear z2
Than)
The normal plane modification coefficient χ n1=1.21118 of gear z1
The normal plane modification coefficient χ n2=-1.1014 of gear z2
Transverse contact ratio ε α=1.11949 (should be greater than or equal to 1.0, general >=1.2)
Gear z1 and gear z2 engages sliding ratio η 12_1=-0.243797
Gear z2 and gear z1 engages sliding ratio η 12_2=5.12569
Sliding ratio η is used to indicate that profile wear, typically requires η < 4.0
The pressure of gear z1 is than ζ 1=0.942492
The pressure of gear z2 is than ζ 2=0.942492 (pressure should be less than 1.4 ~ 1.7 than ζ)
Gear z1 crest width is that modification coefficient during 0.25*mn is: 0.638258 (general requirement is less than this modification coefficient)
Now the modification coefficient of gear z2 is :-0.528477
Gear z1 crest width is that modification coefficient during 0.4*mn is: 0.430799 (the surface hardening flank of tooth, it is necessary to less than this
Modification coefficient .)
Now the modification coefficient of gear z2 is :-0.321018
Base spiral angle β b=11.2665 °
Basic circle normal circular pitch Pbn=8.85639
The minimum modification coefficient that z1 not root is cut is: 0.187537 (selected modification coefficient have to be larger than the displacement system that this root is cut
Number .)
The minimum modification coefficient that z2 not root is cut is :-1.31239 (selected modification coefficient have to be larger than the modification coefficient that this root is cut)
Sliding ratio is the biggest, and profile wear rate is the biggest, and noise is the biggest, and the life-span is the shortest. and equal by gears slip rate (profile wear rate)
Calculate displacement.
Coefficient can reduce the sliding ratio of little gear effectively, reduces profile wear, reduces noise, extends the longevity of little gear
Life.
Little Modification Coefficient of Gear is the least, and the transverse contact ratio ε α of gear pair is the biggest.
Embodiment four:
In AutoCAD, need only load operating iz1z2.vlx order, just can automatically draw internal gear pair in AutoCAD,
The internal gear pair that AutoCAD draws automatically is as shown in Figure 5.Demonstration program iz1z2demo.vlx beats on AutoCAD text window
Print off corresponding information, be stored in file iz1z2.txt simultaneously.
Embodiment five:
In AutoCAD, need only load operating solar.vlx order, just can automatically draw planetary system gear in AutoCAD.
Demonstration program solardemo.vlx prints corresponding information on AutoCAD text window, is stored in file solar.txt simultaneously
In.
Embodiment six:
In AutoCAD, need only load operating bevelz1z2.vlx order, just automatically can draw in AutoCAD straight-tooth cone tooth
Wheel set.Demonstration program bevelz1z2demo.vlx prints corresponding information on AutoCAD text window, is stored in file simultaneously
In bevelz1z2.txt.
Embodiment seven:
In AutoCAD, need only load operating helbevelz1z2.vlx order, just can automatically draw helical teeth in AutoCAD
Bevel gear pair.Demonstration program helbevelz1z2demo.vlx prints corresponding information on AutoCAD text window, deposits simultaneously
Enter in file helbevelz1z2.txt.
Embodiment eight:
In AutoCAD, need only load operating arcbevelz1z2.vlx order, just can automatically draw curved tooth in AutoCAD
Conical gear.Demonstration program arcbevelz1z2demo.vlx prints corresponding information on AutoCAD text window, deposits simultaneously
Enter in file arcbevelz1z2.txt.
Embodiment nine:
In AutoCAD, need only load operating cycloid.vlx order, just can automatically draw cycloidal-pin wheel row in AutoCAD
Star gear, the cycloidal-pin wheel planetary gear that AutoCAD draws automatically is as shown in Figure 6.Demonstration program cycloiddemo.vlx exists
Print corresponding information on AutoCAD text window, be stored in file cycloid.txt simultaneously.
Embodiment ten:
In AutoCAD, need only load operating cycloid.vlx order, just can automatically draw oval helical teeth in AutoCAD
Wheel.Demonstration program cycloiddemo.vlx prints corresponding information on AutoCAD text window, is stored in file simultaneously
In cycloid.txt.
Same, then draw noncircular gear pair when the drawing for order inputted in parameter is noncircular gear pair drawing for order；
Not rounded planet 4-6 rank gear is then drawn when the drawing for order inputted in parameter is not rounded planet 4-6 rank gear drawing for order；When
Drawing for order in input parameter is that not rounded planet 6-8 rank gear drawing for order then draws not rounded planet 6-8 rank gear；Work as input
Drawing for order in parameter is that harmonic gear drawing for order then draws harmonic gear.Further, described modeling based on CAD is real
In existing method, also can automatically draw external gear pump secondary, involute internal gear pair with small teeth difference (can be clear that profile of tooth is
No interfere), zero bevel gear is secondary (be may replace straight bevel gear secondary, improves transmission performance；Zero bevel gear
Pair, can finish forge, essence casting, powder metallurgy, injection produces, productivity ratio is greatly improved, and reduces production cost), Jackie Gleason spiral bevel
Gear (is coupled by involute spline), and (pressure angle on the both sides of tooth is different, and profile of tooth is different for Double pressure angles gear；It is adopted
Use asymmetric tooth transmission, strengthen the pressure angle of non-working flank by reducing the pressure angle of working flank, just can keep
While the original stationarity of gear drive, moreover it is possible to be correspondingly improved the bending strength of the gear teeth；Asymmetric hydraulic gear pump, volume
Can reduce 15%～20%, discharge capacity about improves l 5%～20%, and flow pulsation and noise decrease the most accordingly), oval tooth
(elliptic gear oil consumption sensor has the advantages such as simple in construction, low cost, reliable operation to wheel fuel consumption flow meter；Market scale
Huge, the field such as aircraft, automobile, diesel engine is required for), harmonic gear.
Further, in described modeling implementation method based on CAD, moreover it is possible to carry out line cutting and (support fast wire winding 3B code；
In, slow wire feeding G code, it includes XYIJ form and XYR form, absolute coordinate and incremental coordinates form；Support numerical control milling with
Engraving；Support numerical control turning), numerical controlled carving, machining path generation (such as the generation every embedded SMA actuators path, or the cutting of die cavity
The most disposable generation of secant, full-automatic disposable generation are cut one and are repaiied n times linear cutter line), the full-automation of clothing
Design, shoe pattern paper pattern design (design of shoes and manufacture full-automation.Print after typesetting can be converted into G code, send with
Cutting machine cuts).
Visible, in described modeling implementation method based on CAD, the model that can automatically draw includes full-automatic tooth root curve
Inside and outside profile modified gear, gear pair (refer to Fig. 4, Fig. 5 and Figure 11), planetary system (refer to Fig. 6), non-circular gear (refer to figure
12 and Figure 18), noncircular gear pair (refer to Figure 13), not rounded planet (refer to Figure 14 and Figure 15), elliptical skew gear (refer to
Figure 16), Knucle-gear oil consumption sensor (refer to Figure 17), harmonic gear (refer to Figure 19 and Figure 20), cycloidal-pin wheel planetary, gradually
Burst at the seams spline (DIN DIN5480, GB GB ... refer to Fig. 7), conical gear (refer to Fig. 8, Fig. 9 and Figure 10),
Numerical controlled carving (refer to Figure 21), machining path (refer to Figure 22 and Figure 23), linear cutter program (refer to Figure 24, figure
25 and Figure 26), paper pattern design and cutting software (refer to Figure 27), text calculating, the numerical integration of expression formula and numerical value
Solve equation, draw formula curve and worm gear and worm screw software, it is adaptable to whole machinery industry.Aircraft, automobile, steamer, lathe, work
Industry robot, decelerator, effusion meter, rice transplanter, harvester, textile machine, mining machinery, rubber manufacturing machinery, material carry
Machine, printing packaging machine, injection machine, mould, toy, precision instrument and instrument etc. are all the scope of application.
Visible, present invention achieves the secondary development to AutoCAD so that it possesses the function drawing formula curve, side
User.Meanwhile, the present invention secondary development to AutoCAD so that it is function improves a lot, has 3 d function, can be real
Existing three-dimensional modeling, reaches the modeling function of UG；The computing function of text can be realized, calculus and the function such as solve equation, also
Adding theory of mechanics, rational mechanics, the mechanics of materials, the function of the aspects such as hydrodynamics, improve gear software simultaneously, line cuts
Software, dress designing and shoemaking software.
Based on said method, the present invention also provides for a kind of modeling based on CAD and realizes system, as shown in figure 28, comprising:
Input detection module 100, for when detecting that CAD application program runs, is then carried out the input parameter of user in real time
Detection；
Matching module 200, for obtaining the drawing for order in input parameter, and compares with the instruction database of pre-stored and mates,
The drawing script corresponding with drawing for order is then called when the match is successful；
Automatic Drawing module 300, for automatically being drawn the model of correspondence by operation drawing script and input parameter, and is shown.
Further, realizing in system in described modeling based on CAD, described instruction database includes that roller gear is drawn and refers to
Make, internal gear drawing for order, external gear pump pair drawing for order, internal gear pair drawing for order, planetary system gear drawing for order, straight
Bevel gear pair drawing for order, helical bevel gear pair drawing for order, arc tooth conical gear drawing for order, cycloidal-pin wheel planetary are drawn
Instruction, elliptical skew gear drawing for order, noncircular gear pair drawing for order, not rounded planet 4-6 rank gear drawing for order, not rounded planet
6-8 rank gear drawing for order and harmonic gear drawing for order.
Further, realizing in system in described modeling based on CAD, in described input detection module 100, user's is defeated
Enter parameter and include drawing for order, and the initial parameter of the model corresponding with drawing for order.
Further, realizing in system in described modeling based on CAD, described matching module 200 includes:
Control unit, for obtaining the drawing for order in input parameter, and compares with the instruction database of pre-stored and mate, mate
Then start the first performance element during success, when it fails to match, then start the second performance element；
First performance element, for calling the drawing script corresponding with drawing for order；
Second performance element, for carrying out invalid drawing for order by a pop-up box and whether re-typing carrying of input parameter
Show.
In sum, modeling realization method and system based on CAD of the present invention, method includes: when CAD being detected
When application program runs, then the input parameter of user is detected in real time；Obtain input parameter in drawing for order, and with in advance
The instruction database of storage is compared coupling, then calls the drawing script corresponding with drawing for order when the match is successful；Painted by operation
Figure script and input parameter draw the model of correspondence automatically, and show.Present invention achieves the secondary development to AutoCAD, make
Obtaining CAD and possess drafting formula curve, the calculating to text, numerical integration and the numerical value of CAD expression formula solve equation, and draw tooth
Wheel, line cuts, and clothing shoe pattern paper pattern design and cutting function facilitate user.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can
To be improved according to the above description or to convert, all these modifications and variations all should belong to the present invention and lock the guarantor of claim
Protect scope.
Claims (8)
1. a modeling implementation method based on CAD, it is characterised in that include step:
A, when detecting that CAD application program runs, then the input parameter of user is detected in real time；
B, the drawing for order obtained in input parameter, and compare with the instruction database of pre-stored and mate, then adjust when the match is successful
With the drawing script corresponding with drawing for order；
C, by running drawing script and input parameter draws the model of correspondence automatically, and show.
Modeling implementation method based on CAD the most according to claim 1, it is characterised in that described instruction database includes cylinder
Gear drawing for order, internal gear drawing for order, external gear pump pair drawing for order, internal gear pair drawing for order, planetary system gear
Drawing for order, straight bevel gear pair drawing for order, helical bevel gear pair drawing for order, arc tooth conical gear drawing for order, cycloid
Pinwheel planet drawing for order, elliptical skew gear drawing for order, noncircular gear pair drawing for order, not rounded planet 4-6 rank gear are drawn
Instruction, not rounded planet 6-8 rank gear drawing for order and harmonic gear drawing for order.
Modeling implementation method based on CAD the most according to claim 1, it is characterised in that the input of user in described step A
Parameter includes drawing for order, and the initial parameter of the model corresponding with drawing for order.
Modeling implementation method based on CAD the most according to claim 2, it is characterised in that described step B specifically includes:
B1, the drawing for order obtained in input parameter, and compare with the instruction database of pre-stored and mate, then hold when the match is successful
Row step B2, then performs step B3 when it fails to match；
B2, call the drawing script corresponding with drawing for order；
B3, carried out by a pop-up box invalid drawing for order and whether re-type input parameter prompting.
5. a modeling based on CAD realizes system, it is characterised in that including:
Input detection module, for when detecting that CAD application program runs, then examines the input parameter of user in real time
Survey；
Matching module, for obtaining the drawing for order in input parameter, and compares with the instruction database of pre-stored and mate, mate
The drawing script corresponding with drawing for order is then called during success；
Automatic Drawing module, for automatically being drawn the model of correspondence by operation drawing script and input parameter, and is shown.
The most according to claim 5, modeling based on CAD realizes system, it is characterised in that described instruction database includes cylinder
Gear drawing for order, internal gear drawing for order, external gear pump pair drawing for order, internal gear pair drawing for order, planetary system gear
Drawing for order, straight bevel gear pair drawing for order, helical bevel gear pair drawing for order, arc tooth conical gear drawing for order, cycloid
Pinwheel planet drawing for order, elliptical skew gear drawing for order, noncircular gear pair drawing for order, not rounded planet 4-6 rank gear are drawn
Instruction, not rounded planet 6-8 rank gear drawing for order and harmonic gear drawing for order.
The most according to claim 5, modeling based on CAD realizes system, it is characterised in that use in described input detection module
The input parameter at family includes drawing for order, and the initial parameter of the model corresponding with drawing for order.
The most according to claim 7, modeling based on CAD realizes system, it is characterised in that described matching module includes:
Control unit, for obtaining the drawing for order in input parameter, and compares with the instruction database of pre-stored and mate, mate
Then start the first performance element during success, when it fails to match, then start the second performance element；
First performance element, for calling the drawing script corresponding with drawing for order；
Second performance element, for carrying out invalid drawing for order by a pop-up box and whether re-typing carrying of input parameter
Show.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108090282A (en) * | 2017-12-18 | 2018-05-29 | 上海理工大学 | Slow wire feeding Wire-cut Electrical Discharge Machining gap multiple physical field coupling Simulation analysis method |
| CN109740269A (en) * | 2019-01-08 | 2019-05-10 | 厦门理工学院 | A kind of involute helicoid worm turnery processing flank of tooth three-dimensional modeling method |
| CN109903357A (en) * | 2019-03-05 | 2019-06-18 | 武汉轻工大学 | Surface equation method for drafting, device, terminal device and readable storage medium storing program for executing |
| CN109947339A (en) * | 2019-03-28 | 2019-06-28 | 武汉轻工大学 | Method for drafting, device, equipment and the storage medium of parabolic cylinder |
| CN110047117A (en) * | 2019-04-18 | 2019-07-23 | 武汉轻工大学 | Method for drafting, device, equipment and the storage medium of curved surface figure |
| CN110047137A (en) * | 2019-04-23 | 2019-07-23 | 武汉轻工大学 | Paraboloidal method for drafting, device, equipment and storage medium |
| CN115495807A (en) * | 2022-09-26 | 2022-12-20 | 上海弘玑信息技术有限公司 | Automatic drawing method and electronic equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883705A (en) * | 2014-04-10 | 2014-06-25 | 王榕生 | Non-equivalent-modulus gear pair and scanning and numerical control machining template thereof |
| CN104455311A (en) * | 2014-11-28 | 2015-03-25 | 沈阳飞机工业（集团）有限公司 | Parameterization involute tooth profile parameter calculating and drawing method |
-
2016
- 2016-06-12 CN CN201610416615.1A patent/CN106055825A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883705A (en) * | 2014-04-10 | 2014-06-25 | 王榕生 | Non-equivalent-modulus gear pair and scanning and numerical control machining template thereof |
| CN104455311A (en) * | 2014-11-28 | 2015-03-25 | 沈阳飞机工业（集团）有限公司 | Parameterization involute tooth profile parameter calculating and drawing method |
Non-Patent Citations (2)
| Title |
|---|
| Z187308067: "[使用说明]AUTOCAD齿轮软件", 《HTTPS://WENKU.BAIDU.COM/VIEW/C0074ACD8BD63186BCEBBCCE.HTML》 * |
| 傍晚湖边赏景: "[使用说明]AutoCAD全自动数控与线切割程序", 《HTTPS://WENKU.BAIDU.COM/VIEW/AAFA106C58FAFAB069DC02E3.HTML》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108090282A (en) * | 2017-12-18 | 2018-05-29 | 上海理工大学 | Slow wire feeding Wire-cut Electrical Discharge Machining gap multiple physical field coupling Simulation analysis method |
| CN109740269A (en) * | 2019-01-08 | 2019-05-10 | 厦门理工学院 | A kind of involute helicoid worm turnery processing flank of tooth three-dimensional modeling method |
| CN109740269B (en) * | 2019-01-08 | 2022-12-13 | 厦门理工学院 | Involute worm turning tooth surface three-dimensional modeling method |
| CN109903357A (en) * | 2019-03-05 | 2019-06-18 | 武汉轻工大学 | Surface equation method for drafting, device, terminal device and readable storage medium storing program for executing |
| CN109947339A (en) * | 2019-03-28 | 2019-06-28 | 武汉轻工大学 | Method for drafting, device, equipment and the storage medium of parabolic cylinder |
| CN110047117A (en) * | 2019-04-18 | 2019-07-23 | 武汉轻工大学 | Method for drafting, device, equipment and the storage medium of curved surface figure |
| CN110047137A (en) * | 2019-04-23 | 2019-07-23 | 武汉轻工大学 | Paraboloidal method for drafting, device, equipment and storage medium |
| CN110047137B (en) * | 2019-04-23 | 2023-02-21 | 武汉轻工大学 | Paraboloid drawing method, device, equipment and storage medium |
| CN115495807A (en) * | 2022-09-26 | 2022-12-20 | 上海弘玑信息技术有限公司 | Automatic drawing method and electronic equipment |
| CN115495807B (en) * | 2022-09-26 | 2024-05-10 | 上海弘玑信息技术有限公司 | Automatic drawing method and electronic equipment |
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Application publication date: 20161026 |