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1、cat模板_创外设计(齿轮参数化公式编辑)（Cat _ chuangwai design template (formula of gear parameter editing)）CAT101_ _ chuangwai template design Gear gear parametric formula editor1.) new to Part parts designPart1 (right) property: productPart number: Part1_Gear.fx2.) defining formulasTool f (x) formulaPop up panel fo
2、rmula editingThe new type parameters, length (drop-down triangle)Click new type parameter (create parameter)Edit the current parameter name and value(please input the following parameter name)Length = new type parameter: gear modulus Gear.m. Value = 3mmInteger = new type parameter: gear tooth number
3、 Gear.z. 25Length = new type parameter: gear thickness Gear.b = 30 mmAngle, new type parameter, gear pressure angle Gear.a,. 18degLength = new type parameter gear dividing circle diameter Gear.fD = adding formulaPop up panel formula editor1 (Dictionary column)2 (parameter member column)3 (all member
4、 columns)1 (Dictionary column) - parameter;3 (all member column) - (double click) gear modulus Gearm1 (Dictionary column) - Operator2 (operator member bar), (double multiplication) *1 (Dictionary column) - parameter;3 (all member column) - (double click) gear tooth number GearzClick OKgear modulus m
5、* gear teeth number ZLength = new type parameter: root circle diameter Gear.cgd. Add formula1 (Dictionary column) - parameter;3 (all member column) - (double click) gear modulus Gearm1 (Dictionary column) - Operator2 (operator member bar), (double multiplication) *1 (Dictionary column) - parameter;3
6、 (all member column) - (double click) gear tooth number Gearz1 (Dictionary column) - Operator2 (operator member bar) - (double - minus)1 (Dictionary column) - parameter;3 (all member column) - (double click) gear modulus Gearm2 (operator member bar), *2.5 (double multiplication)gear modulus m* gear
7、tooth number z- gear modulus m*2.5Length = new type parameter: addendum circle diameter Gear.cdd. Add formula1 (Dictionary column) - parameter;3 (all member column) - (double click) gear modulus Gearm1 (Dictionary column) - Operator2 (operator member bar), (double multiplication) *1 (Dictionary colu
8、mn) - parameter;3 (all member column) - (double click) gear tooth number Gearz1 (Dictionary column) - Operator2 (operator member column) (double click +) +1 (Dictionary column) - parameter;3 (all member column) - (double click) gear modulus Gearm2 (operator member bar), *2 (double multiplication)gea
9、r modulus m* gear tooth number z+ gear modulus m*2Length = new type parameter, base circle diameter Gear.jyd. Add formula1 (Dictionary column) - parameter;3 (all member column) - (double click) gear indexing circle diameter Gear.fD1 (Dictionary column) - Operator2 (operator member bar), (double mult
10、iplication) *1 (Dictionary column) to mathematics;2 (math member column) - (double-click) cos ()1 (Dictionary column) - parameter3 (all members of the cursor in the cos column), the brackets(double click) gear pressure angle Gear.agear indexing circle diameter *cos (gear pressure angle a)3.) definin
11、g rulesTool to f (x) 4.2 to Log rulePop up rule definition(edit two rules)1.Rule name: gear curveClick OKnotes: gear curve Gear.cqxPI (constant), PIPop up panel rule editorReal number = new type parameter tLength = new type parameter: XIn the edit column rulesFounder Administrator 2013-07-07*/ / * r
12、ule curveX= base diameter *cos (t*PI/2) + base diameter of *sin (t*PI/2) *t*PI/22Tool to f (x) 4.2 to Log rulePop up rule definitionRule name: gear curve Gear.cqyClick OKPop up panel rule editorReal number = new type parameter tLength = new type parameter: yIn the edit column rulesFounder Administra
13、tor 2013-07-07*/ / * rule curveY= base diameter *sin (t*PI/2) - base diameter of *cos (t*PI/2) *t*PI/24.) create gear model circlesChoose plane to XYTool to sketch edit (enter sketch platform)Capture the coordinate origin and create 4 circlesDimension constraint = radius 1420 (right) = circle.1 = ed
14、it formulaPop up panel edit formula(Dictionary) parameter: Double-click (whole) base circle diameter Gear.jydExit sketch platformChoose plane to XYTool to sketch edit (enter sketch platform)Dimension constraint = radius 1620 (right) = circle.2 = edit formulaPop up panel edit formula(Dictionary) para
15、meter: Double-click (all) addendum circle diameter Gear.cddExit sketch platformChoose plane to XYTool to sketch edit (enter sketch platform)Dimension constraint = radius 1350 (right) = circle.3 = edit formulaPop up panel edit formula(Dictionary) parameter: Double-click (all) root circle diameter Gea
16、r.cgdDimension constraint = radius 1500 (right) = circle.4 = edit formulaPop up panel edit formula(Dictionary) parameter: Double-click (all) gear indexing circle diameter Gear.fdExit sketch platform5.) create pointsTool line frame feature pointPop up panel definition pointPoint type planePlane to XY
17、 planeH axis to (right) edit formulaPop up panel formula editornotes: newly created relations: Law(Dictionary) parameter, parameter (parameter member) Law = (Law member) relation gear curve x(Dictionary) rule curve Law-Evaluate (real number)Part geometry / point.1H (generating relation under the col
18、umn)The relationship gear curve x-Evaluate ()In the input coordinates to 0 X bracketsV axis to (right) edit formula(Dictionary) parameter, parameter (parameter member) Law = (Law member) relation gear curve y(Dictionary) rule curve Law-Evaluate (real number)Part geometry / point.1V (generating relat
19、ion under the column)The relationship gear curve y-Evaluate ()In the input coordinates to 0 y brackets1 - to repeat the operation point of creation; formula editorPoint 1. XY coordinate (0, 0)Point 2. XY coordinate (0.1, 0.1)Point 3. XY coordinate (0.2, 0.2)Point 4. XY coordinate (0.25, 0.25)Point X
20、Y coordinate (0.3, 0.3)The XY point coordinates (0.35, 0.35)The XY point coordinates (0.4, 0.4)The XY point coordinates (0.5, 0.5)Point to XY coordinates (0.6, 0.6)6.) spline connection point.1-9Join point alignmentTool line frame 3.3 to spline linePop up panel define splineFrom 1 to 9 the pick-up p
21、oint7.) stretched spline.1Tool surface 1.1 stretchPop up panel stretch definitionContour stretching.1Direction XY plane (or Z axis)(stretch limit)Edit formula by restricting size 1 to size (right)Pop up panel formula editor(Dictionary) parameterGear thickness Gear.bIn part tension limit 1 (added for
22、mula under the column)Gear.bClick OK to return to stretchReversal direction (downward)Click OK8. ExtrapolationOutward drawing (base circle diameter Gear.jyd inner vertical extension surface)Tool operation 6.1Pop up panel external pull definitionBoundary stretch.1 sideline.1Extrapolation, elongation,
23、 elongation,.1 (tensile surface)(limitation)Type n. default (length)Length 20 mmClick OK9.) tools intersectIntersection generates new pointsTool line frame 2.4 to intersectionPop-up panel intersection definition1 element.1 drawing (stretching surface)2 elements to sketch.3 sideline.1SketchThere are
24、two circles in 3 li;When a single circle is selected;Select tools firstUser selection filter 2.2Filter geometryPick up the sketch.3 sideline.1Click OK(generate intersection.1)10.) tools intersectAxes of intersecting planesTool line frame 2.4 to intersectionPop-up panel intersection definition1 eleme
25、nts to YZ2 elements to ZXClick OK(generate intersection.2)11.) define the planeTool line frame 3.1 to planePop up panel plane definitionPlane type: passing point and linePoint to point.7Line intersection.2Click OK(generating planar.1)12. symmetryMirror copy stretch surfaceTool operation 5.3 to symme
26、tryPop up panel symmetric definitionElement stretching.1ReferenceClick OK13. stretchingTool surface 1.1 stretchPop up panel stretch definitionOutline sketch.3 sideline.2There are two circles in draft.3;When a single circle is selected;Select tools firstUser selection filter 2.2Filter geometryPick up
27、 the sketch.3 sideline.2.3 line (axis).2(stretch limit)Edit formula by restricting size 1 to size (right)Pop up panel formula editor(Dictionary) parameterGear thickness Gear.bIn part tension limit 1 (added formula under the column)Gear.bClick OK to return to stretchReversal direction (downward)Click
28、 OK14. stretchingTool surface 1.1 stretchPop up panel stretch definitionOutline sketch.2Direction intersect.2 (axis)(stretch limit)Edit formula by restricting size 1 to size (right)Pop up panel formula editor(Dictionary) parameterGear thickness Gear.bIn part tension.3 limit 1 (add formula under the
29、column)Gear.bClick OK to return to stretchReversal direction (downward)Click OK(stretched.3)15. pruningTool operation 2.2 trimPop up panel trim definitionSchema default (standard)Pruning elements: extrapolation, extension,.1Symmetric.1The removed surface is transparent;If the other side is selected,
30、 the next element is selectedTo remove elements defaultKeep the element defaultClick OK(trimmed.1)16.) pruning againContinue to trim the top tipsTool operation 2.2 trimPop up panel trim definitionSchema default (standard)Trim the elements and trim the.1Tensile.1The removed surface is transparent;If
31、the other side is selected, the next element is selectedTo remove elements defaultKeep the element defaultClick OK(trimmed.2)17. arrayArray to ring gearTools: Advanced Replication 2.2 - circular arrayClick or select any surfacePop up panel define circular array(axial reference)Parameter to complete
32、radialEdit formula from instance to right (right)Pop up panel formula editor(Dictionary) parameterGear number Gear.zIn the part round array.1 angle number (add a formula under the column)Gear.zClick OK(back to the array panel)Angle distance to automatic (14.4deg)(reference direction)The reference el
33、ement intersects the.2 sideline.4 (axis)(array objects)Object pruning.2Click OK(generating array.1)18. pruningTool operation 2.2 trimPop up panel trim definitionSchema default (standard)Pruning element circular array.1Tensile.2The removed surface is transparent;If the other side is selected, the nex
34、t element is selectedTo remove elements defaultKeep the element defaultClick OK(trimmed.3)19.) check and trimCheck the problemsGear to trim.2 (the first gear is not cut off)Pruning againTool operation 2.2 trimPop up panel trim definitionSchema default (standard)Trim the elements and trim the.2Prunin
35、g.3The removed surface is transparent;If the other side is selected, the next element is selectedTo remove elements defaultKeep the element defaultClick OK(trimmed.4)20.) hide the unused dot and line planesSketch.1 (right) hiddenSketch.2 (right) hiddenSketch.3 (right) hiddenPoint.1 = (right) hiddenP
36、oint.2 = (right) hiddenPoint.9 = (right) hiddenSpline line.1 (right) hiddenPlane.1 (right) hiddenIntersect.1 (axis) - (right) hide21.) closed surfacesSwitch worktable start / part designTool - based on surface feature 3 - closed surfacePop up panel define closed surfaceTo close the object and trim t
37、he.4Click OK(generating a closed surface.1)22.) attached materialTools: application materialsPop up panel (default) libraryMetal to Metal23. renderTool render24.) save template filesFile to save asSave path to Part1_Gear.fx24.) modify template size parametersFile openSave path to Part1_Gear.fxStruct
38、ure tree parameterRelationPart geometryHow to display parameters in the structure treeTool optionsThe basic structure: the basic structure of the partsDisplay (tick) parameters(check) relation -Parameter: (double click) gear modulus Gear.mGear number Gear.zParameter: (double click) gear thickness Ge
39、ar.bParameter (double click) gear pressure angle Gear.aParameter: (double click) gear indexing circle diameter Gear.fDParameter: (double click) root circle diameter Gear.cgdParameter: (double click) addendum circle diameter Gear.cddThe diameter of the base circle is Gear.jydPop up panel parametersModify parameterClick OK(modifying the parameters of each gear)template completion