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Professional CAD/CAM tools built on Inventor and AutoCAD
Integrated BIM tools, including Revit, AutoCAD, and Civil 3D
Professional CAD/CAM tools built on Inventor and AutoCAD
Transcript
00:02
In this lesson, we’ll create an internal groove roughing toolpath.
00:07
After completing this lesson, you'll be able to:
00:09
Create an internal profile toolpath, create an internal groove toolpath and modify parameters to fix toolpath warnings.
00:18
In Fusion 360, we want to get started with the dataset, turning internal grooves.
00:23
This is very similar to a dataset we've been working with however, it has a drilling operation as well as an internal profile roughing operation.
00:31
To get started, we want to finish off the inside and then we want to take a look at machining this groove.
00:37
We're going to get started by going to Turning and we're going to select Profile Finishing.
00:42
We're going to make sure that we're using inside profiling.
00:45
Then we're going to move on to our Geometry section.
00:49
We're going to change the back plane so that it doesn't go all the way down into the model.
00:53
We wanted to stop before this back section here.
00:57
We haven't finished or roughed all the way to that area, so I want to bring it up to this face to make sure that the tool isn't going down too far.
01:05
I'm also going to use Rest Machining so it knows what material’s already been removed.
01:10
So we get a preview on the screen showing what material has been removed and it tried to machine some of that groove, which is okay.
01:16
Notice that it left a little bit of material on the front,
01:19
and if it's easier to see, we can turn off the in process stock and you can see the yellow material left behind.
01:25
Notice that we do have a warning however, telling us that it crosses the rotary axis.
01:30
Let's see if we can fix this because there's plenty of opening in the center of this.
01:35
So that way we don't have to keep the tool right at the center of rotation.
01:39
We're going to do this by going to the Radii section.
01:42
And notice that both the inner and the clearance radii are both set to 0.
01:47
I'm going to select each one and I'm going to modify them, bring them a bit closer to the 1” that was already machined in the center,
01:55
and that leaves us plenty of room on the outside.
01:59
I'm going to do this with the clearance as well, grabbing onto it and trying to manipulate it.
02:04
If you have any trouble, make sure that you go over the cursor,
02:08
and as soon as you grab that arrow, you can pull that out and I'm gonna make them both the same size and say OK.
02:14
Now you can see that the tool is no longer entering on Z.
02:18
But it's coming in a bit closer to where we need it.
02:21
If we simulate this, we can drag the cursor and we can see where the tool’s coming in and we can see that it's finishing that wall,
02:29
and it's actually moving into some of that back flat section based on the plane we gave it to look to.
02:36
So everything looks okay there.
02:38
And now we want to talk about doing that internal groove.
02:41
So I'm going to go to Turning and I'm going to take a look at Turning Groove.
02:47
This is going to be an internal groove.
02:49
So I need to change the Turning Mode.
02:51
When we go from inside to outside or outside to inside, the tool is going to have to change because the orientation in geometry is wrong.
03:00
If I go into the Fusion 360 Library and I use my filters to filter for grooving, notice that we have an ID Grooving tool as well as OD Grooving tools.
03:12
This ID grooving tool has a corner radius so I know that it's not going to work,
03:16
but at least it gives us an idea of what an internal grooving tool looks like.
03:20
So now that we can see this tool, I actually want to make some adjustments to it.
03:25
It's inside of our documents and it’s ID grooving tool number 7, I'm going to edit the tool and make some adjustments.
03:32
The Insert itself is Square but notice that it has a corner radius.
03:37
I want to set this corner radius to Custom and I'm going to use a value of 0.
03:43
Also notice that the tool is set to milimeter.
03:46
I'm going to change it to inches.
03:48
I'm going to leave some of the default values how they are.
03:52
However the overall length I'm going to reduce, I'm going to set this to 0.25” and the width, I'm going to set to 0.1.
04:01
Notice how it changes.
04:03
The insert itself is gotten shorter but the overall geometry and the holder is still the same.
04:09
Some of these other values that we can change, such as head length and the groove width are going to have an overall effect.
04:17
I'm going to set the groove width to 0.125 and notice that the tool is previewing on the screen for us.
04:24
We can also take a look at the holder and when we select these values, it shows us exactly on the screen what they mean.
04:31
We're using an internal grooving right handed tool with a rigid lock clamping system and the cutting width right now is set to 1.18".
04:42
So this is the distance from the center of the holder to where the insert is.
04:47
I'm going to reduce that value to 0.5 and notice that it brings it in a bit more.
04:53
Now that's too short based on some of the other values.
04:56
The shank in this case, I'm going to set to 0.5” and then I'm going to accept, say OK.
05:02
And note that I will have to recalculate or change any toolpaths where it's included.
05:08
Next for the geometry, I'm going to allow it to look all the way to the same area that I finished before.
05:15
But then I'm going to bring it a little bit forward from that because I only really want to focus on this groove.
05:21
The front plane, I'm gonna leave exactly where it is and I am going to use Rest Machining and I'm going to say OK.
05:28
Notice that this produces an error and it doesn't actually give us a toolpath.
05:33
It tells that it failed because the axial retract distance is not acceptable in this case.
05:40
So we have to make some more adjustments in order to get this toolpath to work.
05:44
I like to go into the radii and once again, I'm going to change the clearance and the inner values.
05:50
I'm going to make sure that it knows exactly where it can go to.
05:55
Notice that as I bring the clearance out, the retract is also coming with it.
05:59
We'll say OK and allow it to generate this toolpath.
06:03
So whenever we're using these internal toolpaths, it needs to understand the area it has to work in,
06:09
so that it can appropriately calculate the rapid movements and the feed movements.
06:13
In this case with this toolpath selected, I'm going to go in to Simulate and just take a look at what's actually happening with this toolpath.
06:20
It's going in and then as it feeds in, it’s using this pecking motion and it's cleaning out the material.
06:27
And then it's dragging back in based on those internal radii values we gave it for that clearance.
06:35
The reason that it's working with the geometry as it is,
06:39
is because it left more material on this front side or this leading edge of the groove than on the back.
06:45
So it comes in and it removes a little bit of that material based on some engagement parameters.
06:51
And then it goes in and it clears out the rest once there's an even amount of material left behind.
06:56
So now that we've created that internal grooving toolpath, let's make sure that we do save before we move on to the next step.
Video transcript
00:02
In this lesson, we’ll create an internal groove roughing toolpath.
00:07
After completing this lesson, you'll be able to:
00:09
Create an internal profile toolpath, create an internal groove toolpath and modify parameters to fix toolpath warnings.
00:18
In Fusion 360, we want to get started with the dataset, turning internal grooves.
00:23
This is very similar to a dataset we've been working with however, it has a drilling operation as well as an internal profile roughing operation.
00:31
To get started, we want to finish off the inside and then we want to take a look at machining this groove.
00:37
We're going to get started by going to Turning and we're going to select Profile Finishing.
00:42
We're going to make sure that we're using inside profiling.
00:45
Then we're going to move on to our Geometry section.
00:49
We're going to change the back plane so that it doesn't go all the way down into the model.
00:53
We wanted to stop before this back section here.
00:57
We haven't finished or roughed all the way to that area, so I want to bring it up to this face to make sure that the tool isn't going down too far.
01:05
I'm also going to use Rest Machining so it knows what material’s already been removed.
01:10
So we get a preview on the screen showing what material has been removed and it tried to machine some of that groove, which is okay.
01:16
Notice that it left a little bit of material on the front,
01:19
and if it's easier to see, we can turn off the in process stock and you can see the yellow material left behind.
01:25
Notice that we do have a warning however, telling us that it crosses the rotary axis.
01:30
Let's see if we can fix this because there's plenty of opening in the center of this.
01:35
So that way we don't have to keep the tool right at the center of rotation.
01:39
We're going to do this by going to the Radii section.
01:42
And notice that both the inner and the clearance radii are both set to 0.
01:47
I'm going to select each one and I'm going to modify them, bring them a bit closer to the 1” that was already machined in the center,
01:55
and that leaves us plenty of room on the outside.
01:59
I'm going to do this with the clearance as well, grabbing onto it and trying to manipulate it.
02:04
If you have any trouble, make sure that you go over the cursor,
02:08
and as soon as you grab that arrow, you can pull that out and I'm gonna make them both the same size and say OK.
02:14
Now you can see that the tool is no longer entering on Z.
02:18
But it's coming in a bit closer to where we need it.
02:21
If we simulate this, we can drag the cursor and we can see where the tool’s coming in and we can see that it's finishing that wall,
02:29
and it's actually moving into some of that back flat section based on the plane we gave it to look to.
02:36
So everything looks okay there.
02:38
And now we want to talk about doing that internal groove.
02:41
So I'm going to go to Turning and I'm going to take a look at Turning Groove.
02:47
This is going to be an internal groove.
02:49
So I need to change the Turning Mode.
02:51
When we go from inside to outside or outside to inside, the tool is going to have to change because the orientation in geometry is wrong.
03:00
If I go into the Fusion 360 Library and I use my filters to filter for grooving, notice that we have an ID Grooving tool as well as OD Grooving tools.
03:12
This ID grooving tool has a corner radius so I know that it's not going to work,
03:16
but at least it gives us an idea of what an internal grooving tool looks like.
03:20
So now that we can see this tool, I actually want to make some adjustments to it.
03:25
It's inside of our documents and it’s ID grooving tool number 7, I'm going to edit the tool and make some adjustments.
03:32
The Insert itself is Square but notice that it has a corner radius.
03:37
I want to set this corner radius to Custom and I'm going to use a value of 0.
03:43
Also notice that the tool is set to milimeter.
03:46
I'm going to change it to inches.
03:48
I'm going to leave some of the default values how they are.
03:52
However the overall length I'm going to reduce, I'm going to set this to 0.25” and the width, I'm going to set to 0.1.
04:01
Notice how it changes.
04:03
The insert itself is gotten shorter but the overall geometry and the holder is still the same.
04:09
Some of these other values that we can change, such as head length and the groove width are going to have an overall effect.
04:17
I'm going to set the groove width to 0.125 and notice that the tool is previewing on the screen for us.
04:24
We can also take a look at the holder and when we select these values, it shows us exactly on the screen what they mean.
04:31
We're using an internal grooving right handed tool with a rigid lock clamping system and the cutting width right now is set to 1.18".
04:42
So this is the distance from the center of the holder to where the insert is.
04:47
I'm going to reduce that value to 0.5 and notice that it brings it in a bit more.
04:53
Now that's too short based on some of the other values.
04:56
The shank in this case, I'm going to set to 0.5” and then I'm going to accept, say OK.
05:02
And note that I will have to recalculate or change any toolpaths where it's included.
05:08
Next for the geometry, I'm going to allow it to look all the way to the same area that I finished before.
05:15
But then I'm going to bring it a little bit forward from that because I only really want to focus on this groove.
05:21
The front plane, I'm gonna leave exactly where it is and I am going to use Rest Machining and I'm going to say OK.
05:28
Notice that this produces an error and it doesn't actually give us a toolpath.
05:33
It tells that it failed because the axial retract distance is not acceptable in this case.
05:40
So we have to make some more adjustments in order to get this toolpath to work.
05:44
I like to go into the radii and once again, I'm going to change the clearance and the inner values.
05:50
I'm going to make sure that it knows exactly where it can go to.
05:55
Notice that as I bring the clearance out, the retract is also coming with it.
05:59
We'll say OK and allow it to generate this toolpath.
06:03
So whenever we're using these internal toolpaths, it needs to understand the area it has to work in,
06:09
so that it can appropriately calculate the rapid movements and the feed movements.
06:13
In this case with this toolpath selected, I'm going to go in to Simulate and just take a look at what's actually happening with this toolpath.
06:20
It's going in and then as it feeds in, it’s using this pecking motion and it's cleaning out the material.
06:27
And then it's dragging back in based on those internal radii values we gave it for that clearance.
06:35
The reason that it's working with the geometry as it is,
06:39
is because it left more material on this front side or this leading edge of the groove than on the back.
06:45
So it comes in and it removes a little bit of that material based on some engagement parameters.
06:51
And then it goes in and it clears out the rest once there's an even amount of material left behind.
06:56
So now that we've created that internal grooving toolpath, let's make sure that we do save before we move on to the next step.
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