Use a 3D ramp toolpath

00:01

In this video, we'll use a 3D ramp tool path.

00:05

After completing this step, you'll be able to create a 3D ramp tool path.

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Infusion 360, We want to carry on with our coupler for CNC mill.

00:15

At this point we've created a lot of tool paths to remove a lot of the geometry.

00:20

However, we still need to finish the tapered champ for on the bottom, the large tapered face and the three Phillips.

00:27

Again, it's important for us to understand what each tool path does. So that way we know when we can apply it.

00:34

We've already taken a look at parallel on this part and we've noted that it's not really a good option.

00:39

We've used a 3D contour and we can understand exactly what 3D contour does.

00:44

It's great for tapered vertical walls, which makes sense for our part. And it might be a great option for this large wall.

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However, there are some other tool paths that we want to take a look at.

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Let's take a look at 3D ramp as it might be a good option for us to use an eighth inch ball end mill and try to finish off this geometry.

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When we take a look at the tools that we've already created in both op one and up to,

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we have flat end mills but we don't have an eighth inch ball and milk,

01:15

we brought in a quarter inch ball end mill and we can try that but I know that it's going to be a bit too large.

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So what we want to do is go into our fusion 360 library and we want to filter by milling,

01:27

and ball end mill and take a look at an eighth inch ball and mill and grab it for aluminum finishing.

01:33

I'm going to select the tool and we'll have to go back and we'll have to modify this tool,

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because right now it's tool number one and it needs to be tool number 11.

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So we're going to change this to an 11 to make sure that we're not overwriting any other tools that are in our library.

01:49

We're gonna say, okay, and we're gonna make sure that we are using aluminum finishing for our cutting data

01:55

For the geometry, we want to focus our attention just on this one tapered face for now.

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So in order to do that, we need to select a machining boundary.

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I'm going to use this selection. Always taking a look at the outside, noting that it's going to be either on or inside the boundary.

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So we're going to allow the tool to center on the boundary, we can add additional offset if needed.

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And then we want to focus our attention on slope.

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Once again, we're going to go from various values, but this time I'm going to get a little bit closer and go between 35 and 85°,

02:32

noting that the slope is likely about 45°.

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We're not going to leave any material and we're going to reduce the maximum step down value to be

02:46

So you can see that gives a decent result. But obviously the resolution is not quite there.

02:54

We can adjust the tool path, It's always a good idea to use a larger value when you're first making a tool path,

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that way the calculations don't take as long.

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But we're going to change this and we're going to go bottom up with a .005 step.

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This allows us to start with the tool at the bottom and use a better portion of the tool when we're cutting.

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This gets us much closer to the final shape.

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The resolution and in process stock is not always a perfect indication of the final,

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but it looks like it's machine to the geometry well enough that we can move on and start to focus our attention on some other geometry.

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You will note that if we turn on our cutting moves that not only did it machine this tapered face,

03:37

but it also came up and took care of that fill it and it started to go inside of the part.

03:43

If we want to restrict it even more on the geometry section,

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we can have a model override and that model override can focus on a specific version of the model.

03:55

We can also talk about other tool paths that can be used for these various areas,

03:60

but this is a great option for us to take a look at how ramp works and whether or not it works for our specific part.

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At this stage, let's make sure that we do save.

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We always want to save often because we can revert back to older versions once we've saved, let's go ahead and move on to the next step.