Fusion
Take a look at this blog article and video. This may be more than you need, it is to position a wheel on a plan and allow it to roll along that plane.
John Hackney, Retired
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The link I posted works just fine, but here it is again. Remember, the link to the Blog video is included in the text of the blog article.
John Hackney, Retired
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Without seeing the wheel, I assume you have the center of the wheel model to the origin point. You then can easily use an Offset Construction Plane with a value of the radius of the wheel. this will be the same plane I created with the Tangent Construction Plane. If you want to attach your model, I can assist if needed.
John Hackney, Retired
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If it were a sketch it would look like this, Drag circle will stick to the line,
Joint the centre of the wheel, 25 above the floor.
Might help.....
The first part, of three, in this YouTube video shows another method of doing the rotating wheel to pavement. It does not depend on the design of the wheel since you add a dummy component.
John Hackney, Retired
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I was really pushed for time so I eliminate all components except one wheel. I created the path component and the dummy component just to illustrate. The timeline is a mess but just look at the Browser to see the Joint Origin, in the dummy component, which is used to make a slider joint to the path. Then note the Rev7 joint that is between the wheel and the dummy component and then the motion link between the two joints with the circumference of the tire matched up to a 360 degree rotation. By the way, the wheel is real close to 9 inches in diameter. Using your left mouse button select the wheel and hold and drag. I placed a hole in the side of the wheel to let you see it is rolling. My simple model is attached. If I get time tomorrow, I will create a complete cart.
John Hackney, Retired
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Why would you avoid Joints?
I have broken the links, but only to help with this upload.
Simple as - for your students. Change the wheel sketch so the tyre is at bottom dead centre.
Make a vertical centre line.
Measure the BDC of the big wheel to the flange top. (10.763)
Measure the BDC of the small wheel, to top of it's flange top, (3.588)
Joint the top small flange to corner of the floor, with the 2 numbers added to the offset box, as shown.
Not as cluncky as Align or Move, and you don't need a floor to do it.
Move dialogue box will take both of the numbers as shown, if you have to.
Students should not have finished sketches without the red sketch marker, and or no blue / orange / white sketch articles. Everything works off the lower end point of the centreline.
Might help....
As I promised, I have create a cart, with your wheels on a track. The wheels are tangent to the track and revolve accurately to it. If you try and move the cart, you must drag one of the wheel assemblies, not the top plate. I am not quite sure why this happened but I will look into it later. Take a look at one of the wheel assemblies and you will find the Wheel Dummy Component that makes it all possible. Model is attached.
John Hackney, Retired
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I was just trying to be complete. In my last example, you can eliminate all of the Motion Links and just leave the Slider Joints and the cart will stay tangent to the track and still move if that suits you better. In my last example, most of my steps are in creating the wheel assembly and the cart assembly, the rest is not complicated at all. Model without motion links is attached. I hope you can use the ideas anyway, I will be quiet on this one.
John Hackney, Retired
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I don't see any of the other commenters mentioning that components in Fusion 360 are best positioned and oriented using joints from the Assemble menu.
You don't have any joints in your assembly, but two position capture features. IN an assembly such as this one I would not expect to see ant position capture features.
I have moved all parts into one file and defined/dimensionen all sketches to avoid trouble.
In the WheelAssay components I have created components for wheel and bracket with a revolute joint.
In the wheel sub-components created a plane tangent to the wheel circumference and sketch with a singel point.
Joints joining wheelassay's to CartFloor.
And using the points created in WheelAssay Planar joints between the point and origin point for each wheel.
Added a VisualGround as tool to check the joints.
