On the sketch toolbar, click the spline flyout, and then select equation driven curve or click tools sketch entities equation driven curve. I am trying to generate an equation driven line that is basically a spiral with a small sinewave superimposed over the spiral line. This book introduces solidworks 2015 on a stepbystep basis, starting with. Publications multimedia disc includes supplemental files and video instruction david c. Hi kirk, in each of the attached parts, i added a variable length in the parameters and initially set it to 50. In a sketch, click tools sketch entities equation driven curve. Designmodeler equation driven curve urgent cfd online. However, you can create a global variable and associate it with a dimension, then use the. To generate an equation curve, specify the equations to define the curve, and a range. But then they also have a split line curve, which actually. In the past you used to have to write the equation in excel, export a set of. That way you get all necessary data points for your valve curve. Solidworks equation driven curves solidworks academy.
Some of the features that we will be using are the. Equation driven curves 3d cad model library grabcad. Ho ho hold up a second and take a look at the underused, yet overawesome curve driven pattern. Select the equation driven curve for the first reference and the bottom end. They have formal curve features, which include projected curve, composite curve, xyz curve, reference points curve, helixspiral. I myself dont really get the equation driven curve, math gives me the. To make this happen, well have to dust off our math books and recall that a. Helix spring with an angle solidworks 2016 training equation driven curve.
Equation curves are used to model complex geometry, such as gear tooth profiles, or sweep paths for hydraulic pumps. Get a quote for the course and let us know the date and location where you require training. Please feel free to try some more equations to create weird shapes. In the walkthrough video above, well demonstrate how you can quickly and effectively design a wave spring to fit your specific needs. I have tried one method using the swept surface with a.
A production technology for a geometrically accurate solid model of a helicalgear set in the solidworks package is suggested. I have an equation representing a parabola, which im using in a sketch in solidworks with the use of equation driven curve tools sketch entities equation driven curve. Sketch 18 9 scale about 18 9 translate 18 9 rotate 18 9 mirroring 19 0 copy and paste 19 0 simple drag 19 0 derived sketch 19 1 using sketch pictures 19 1 three views 19 3 perspective 19 3 sharp edges. This means you can easily change all of the linked values in a model by simply updating one. This is a feature you can include in all sketches, so 2d and 3d. Im trying to sketch a 34 parabola in solidworks using the equation driven curve function using this formula. Examples of this might be the curvature of a lens, the design of a custom spring, windfoil. This video showns how to create an equation driven curve in a 3d sketch.
In a market full of books for beginners this is the one book that goes into extensive detail, not just on how the software works, but in many cases why it works the way it does. Select an existing equation driven curve or create a new one for example, by clicking equation driven curve tool sketch toolbar or. Sketch the bottom radius, which must be or 23 of the clearance value. Import of equation driven curve variablesparameters.
Create 2d equation curves in an active sketch, click sketch tab create panel equation curve 2d sketch or 3d sketch tab draw panel equation curve 3d sketch. In this tutorial i will be going over how to make a cycloidal drive in solidworks. Equation driven dimensions creating and referencing variables in equations sharing variables across parts floating vs. Solidworks parametric equation tutorial pt1 on vimeo. In the past you used to have to write the equation in excel, export a set of points and then make a spline. In solidworks i created the equation driven curve then in a sketch not in global. Equations solidworks tutorials advanced part modeling.
Modeling a wave spring in solidworks cad tutorials. This is a sweep using an equation to create the curve. Both explicit and parametric equations can be used to drive the geometry on a 2d plane or within a 3d sketch. I would like to see what other equations might produce. On the sketch toolbar, click the spline flyout, and then select equation driven curve or click. Columns in your solidworks bill of materials bom can be used for more than reporting model values, quantity counts and custom properties.
Sketch equation curve inventor lt autodesk knowledge. You can add a curve to a 2d sketch using tools sketch entities equation drive curve or by expanding the curve. Solidworks quick tips global variables and equations. The six principle views of orthographic projection listed in the asme y14.
The equation driven curve tool lets you create a curve by defining the equation for that curve. Here we will learn about equation driven curves in solidworks. Both explicit and parametric equations can be used to drive the. Find all the books, read about the author, and more. The construction stages are calculation, development of blanks, development. Do a new 3d sketch and go to spline tools, fit spline, then pick the two lines and the radius in your path sketch so you have a continuous curve, then do a curve driven pattern with the spline. The complete solidworks referencetutorial for beginner to advanced techniques mastering solidworks is the referencetutorial for all users. Design of a compact proton beam energy modulator for. I was driving a linear pattern with an equation and found that sw was rounding the result up or down to the nearest whole number. The following parametric equation driven curve in solidworks was drawn as shown in fig. Solidworks quick tip global variables and equations. You cannot use global variables directly for equation driven curves.
One of the first tools i turned to was our equation driven curves which were introduced in 2009. When you create equation driven curves, the values you use must be in radians. Curve driven pattern does what no mere linear pattern can do. Packed with stepbystep instructions, video tutorials for over 40. Most solidworks users are comfortable creating models with the familiar sketch commands lines, rectangles, splines, arcs, etc. So the curvedriven pattern, a very useful tool, you can use it with all types of different features, whether theyre a extruded boss, a cut hole, a body itself, or a surface, and a lot of different ways you can use it. This book might not include all of the enhancements in the solidworks 2009 software. Using equations in solidworks, example 2 draft 4, 10262006, solidworks 2006 introduction the goal here is to construct a linkage rocker with two arms offset by a specific angle. Under equation type, select explicit or parametric. The solidworks definition of design intent is the process in which the model is. Specify the equation parameters in the propertymanager. Sketch 18 9 scale about 18 9 translate 18 9 rotate 18 9 mirroring 19 0 copy and paste 19 0 simple drag 19 0 derived sketch 19 1 using sketch pictures 19 1 three views 19 3 perspective 19 3 sharp edges 19 4 auto.
How to create curve driven pattern solidworks tutorials. K is the rho variable where 0 circle, 0 k 1 ellipse, 1 parabolic, and k equation driven curve one of the first tools i turned to was our equation driven curves which were introduced in 2009. The equations based on cosine and sinus form a circle wave curve, similar to a wave spring washer. However, you can create a global variable and associate it with a dimension, then use the dimension in the equation for the curve. By forfeiting just a little control, solidworks can automatically. In solidworks, equations allow you to derive an endless amount of sketch values using only one variable. The problem is most of the parts we need to edit are complex, curve driven surfaced parts. Create new part, sketch egg shape on top plane using spline 2. Using parametric equations in solidworks, example 1 draft 4, 10252006, sw 2006 introduction in this example the goal is to place a solid roller on a solid wedge. Welcome instructor in this movie, were going to be learning about an equation driven curve. Parabola, conic, spline, style spline, spline on surface, equation driven curve. The equation curve is correctly plotted when i changed the length to any positive. To make this happen, well have to dust off our math books and recall.
Solidworks now has the ability to create an equation driven curve. Equation driven curves i found an equation to produce this curve. Help request curve driven pattern sketch driven pattern. However, you can create a global variable and associate it. Modeling challenge sketching an approximate sine wave. I tried a sketch driven pattern but i want the copies to rotate according to the center of the jar origin. This is a real powerful tool inside of solidworks and its directly under this spline drop down. Global variables and equations are a great way to capture design intent and add intelligence to solidworks models. That said, dont underestimate the power of equation driven curves. Using parametric equations in solidworks, example 1. Parametric driven equation for involute curve of spur gear figure 9. Visit the following websites to learn more about this book. Solidworks advanced part modeling class not listed for your required date or location.
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