SOLIDWORKS Motion

Redundancies in SOLIDWORKS Motion Analysis

We know that each unconstrained body in space has six degrees of freedom (DOF): three translations and three rotations about X, Y and Z axes. Each mate removes a certain number of DOFs from the system. The table below shows some of the mates in SOLIDWORKS and how many DOFs that they restrict. Mate Type Translation DOF Removed Rotational DOF Removed Total DOF Removed Hinge Mate 3 2 5 Concentric (2 cylinders) 2 2 4 Concentrix (2 spheres) 3 0 3 Lock Mate 3 3 6 Universal Mate 3 1 3 Screw Mate 2 2 (+1) 5 Point to point 3 0 3 What Are Redundancies? Redundancies are when multiple mates remove the same DOF on a part. For example, if we create a pin joint we most likely use a concentric mate between the cylindrical faces of the pin and the hole and a coincident mate between the flat…

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SOLIDWORKS Visualize Unknown Tips and Tricks: Part Two

Open Motion Study

Utilizing Motion Studies for more than just motion Motion studies are a great tool inside of SOLIDWORKS to bring your assemblies to life, they allow you to utilize real world conditions like gravity, connections and other physics based motion attributes to give your animations a realistic look while also delivering analysis for greater insight into validating the motion of your project. In our case motion studies are a great tool for rendering animations using SOLIDWORKS Visualize, utilizing the SOLIDWORKS Visualize add-in and SOLIDWORKS Visualize Professional we can automatically transfer motion studies from SOLIDWORKS to Visualize Professional in the press of a button to have all of our motion automatically key-framed and ready for rendering. Having this ability is a massive time saver and allows us to get motion results that would be very difficult to key-frame by hand, did someone say GRAVITY! But what if I don’t have SOLIDWORKS Visualize…

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SOLIDWORKS Animations with Changing Cameras

SOLIDWORKS Animation Switch Camera

Switching SOLIDWORKS animation cameras gives more control over location, target, field of view, etc.  You can place keys and edit the camera at various positions to change the orientation and zoom. If you have more than one camera, you are able to switch between them during the animation.  First set up the cameras and place keys to indicate start and end settings of each by editing the cameras along the timebar. Then select a camera to use at T=0s.  Right-click on the key beside ‘Orientation and Camera Views‘ and select ‘Camera View‘. The pop-up will allow you to select the camera to use from the start of the animation. Then you can place another key along the timebar beside ‘Orientation and Camera View’ to select a different camera. The pop-up will appear again and you can select a different camera to use, in this case Camera2 is selected: An example…

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Motion Simulation in SOLIDWORKS

From the SOLIDWORKS help: SOLIDWORKS Motion studies are graphical simulations of motion for assembly models. Motion simulation assumes all parts to be rigid during the simulation, meaning that during contacts, no deformations will take place. Where to start? To start a motion study in SOLIDWORKS you can click on “Motion Study 1” tab on the lower left corner of SOLIDWORKS user interface. Make sure to click on “Expand Motion Manager” to display the SOLIDWORKS Motion Manager timeline view. The first thing you need to do is to select the type of simulation you want to perform. There are 3 types of motion simulations in SOLIDWORKS including Animation, Basic Motion, and Motion Analysis. Animation Animation simulation is included in all the SOLIDWORKS Packages (Standard, Professional and Premium) and allows you to do quick animations for exploded views and rotating camera angles. Basic Motion Basic Motion is also part of every package…

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How to hit that $500,000 basketball shot with SOLIDWORKS Motion

SOLIDWORKS Motion Basketball shot

It’s finally happened. After years of attending basketball games you’ve finally been chosen. Called from your seat in the second quarter, it’s your turn to take the half-court shot to win $500,000. With only one shot at this life-changing amount of money, you know this is an opportunity that you simply can’t waste. Thankfully you managed to sneak your computer through arena security, and quickly boot up SOLIDWORKS Motion. After quickly setting up your SOLIDWORKS models, you’re ready to begin working on your motion study. Adding gravity, appropriate solid body contact between the ball and the rim is a great start, now you’re ready to simulate. You set up initial velocity and launch angle conditions (launch angle controlled by a Global Variable!), and plot the distance between the ball’s centre of mass and the centre of the hoop (a few inches below the rim of course, you want to only…

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A big thank you to the SOLIDWORKS Visualize Community at SOLIDWORKS World

Unleashing the Power of Visualize Session

Last week we had the pleasure of interacting with SOLIDWORKS users in Los Angeles, CA., at the SOLIDWORKS World convention.  This year was packed full of informative and impressive sessions that really excite the inner engineering geek in me; and invigorates the passion that so many designers and engineers have for the great SOLIDWORKS Innovation Platform. SOLIDWORKS Visualize Breakout Session My colleague Alen Topic and I were lucky enough to present at the event this year on one of our favorite new additions to the SOLIDWORKS lineup, SOLIDWORKS Visualize, and wanted to give a big thank you to everyone that attended to make this a fun and creative session. We had users of all types, from experienced to brand new, witness how easy and powerful SOLIDWORKS Visualize can be and had a lot of fun in the process. Users were able to make a very high quality render (shown in the figure below), in…

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How to Animate Spring Motion with SOLIDWORKS [VIDEO]

SOLIDWORKS models are generated as rigid bodies so animations cannot take into account flexibility of movement.  To accurately calculate and animate deformation based on the material properties, a SOLIDWORKS Simulation study should be created and the deformation plot can be animated. Use In-context References However you may wish to generate a simple animation showing moving components including a spring extending or compressing.  As animations control the positions of components, not their size dimensions, you can animate spring motion with SOLIDWORKS by connecting the spring model to other moving components using in-context references. Control spring length with a Sweep In order to control the length of the spring, the easiest method is to create a Sweep feature with the Path sketch as a straight line for the overall height.  Then in the Twist options of the Sweep feature, you can specify “Twist Along Path” and indicate how many turns or coils are needed….

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How to Update the Path Mate Motor Speed in a SOLIDWORKS Motion Analysis

After defining a path mate motor with constant speed for an object in a SOLIDWORKS motion analysis, you need to calculate the motion study. As a result, the object will travel along the path mate with a constant speed (v) during the specified time (t). The travel distance can be simply calculated through x = v . t. However, if you decide to change the value of your path mate speed and recalculate the motion study, you will realize that the travel distance may not be the value that you expect according to the equation of  x = v . t. How to Update the Path Mate Motor Speed In this example, a path mate motor with constant speed of 10 mm/s is defined for the blue sphere, in order to travel inside of a cylinder. The motion study is run for 5 seconds as shown in the figure below: Accordingly and as expected,…

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