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Transcript
00:02
In this video, we'll talk about non-critical features to aid in manufacture.
00:08
After completing this step, you'll be able to use whole.
00:13
In fusion 360, we're going to carry on with our gear housing front cover only.
00:19
We're now going to talk about adding non critical features that will aid in manufacture.
00:25
This is a fairly large part and it's going to be complicated to hold, especially if the outside is being machine.
00:32
So oftentimes we might want to consider using a fixture plate something to hold the part down.
00:38
And in this case we're going to create a fixture plate that has non critical features.
00:43
In this case some tapped holes because the outside is cosmetic and we really added a bunch of material back to it.
00:50
We're going to use this opportunity to add some tapped holes to the design and those tapped holes will be a good place for us to bolt it down.
00:58
And the reason that this works is because we're going to machine the entire part from one side,
01:04
so the stock will automatically be faced off and we'll have drilled and tapped holes on one side.
01:10
That way we can bolt it down to a fixture.
01:12
But then when it's flipped over all of the inside bores,
01:16
the locations for all the bearings and gears and the outside shape in the bolt holes all be done at the same time.
01:22
So we don't have to worry as much about tolerance when bolting down to a fixture plate.
01:27
If you do have to worry about indexing certain features.
01:30
Then using taper dowel pins or even creating custom soft jobs to hold the part are probably a better method.
01:37
For us, we're going to get started by first activating the front cover,
01:42
and then we're going to select the outside face and we're going to create a new sketch.
01:47
This becomes partially problematic because we don't know where the stuff is on the other side.
01:53
If we want to see this stuff on the other side, we can always use project to include some of it,
01:58
or we can simply create our sketch geometry and flip it over and check.
02:02
We can even just change the transparency or the opacity of the object. So that way we can actually see through it.
02:09
Any of these options are fine and you can go through change the visual style if you want to see the hidden edges,
02:17
for example, we can see right through the part and that way we know exactly where everything is.
02:22
So we're going to get started by adding a couple sketch points.
02:26
We want to start with sketch points in the sketch circle to add a couple different locations.
02:32
So we're going to get started with a sketch circle and I'm going to change it to construction,
02:37
starting at the center and I'm going to drag this out and this is going to be a reference for where we're going to play some sketch points.
02:45
We need to of course add a dimension because this is going to be a critical locating feature, so at the size that it was sketched, about 1.5 inches.
02:54
Looks pretty good.
02:55
So that's going to be our reference.
02:58
Then I'm going to go to my create and select point because later on we're going to be using the whole tool,
03:03
which only requires us to have a center point location.
03:06
This is going to work for us by placing three of these points at the top bottom and the left quadrant.
03:13
We then want to use the horizontal vertical constraint to make sure that they are truly vertical or horizontal with the center or origin.
03:23
So now that we have those three, let's hit escape to get off our constraint tool and we want to add a couple more points.
03:28
This is not going to be enough to hold it.
03:30
So we want to have a point in this area over here and then we probably want one over here somewhere,
03:37
because we just barely have enough material going to hit escape to get off my point tool and go to my dimension tool.
03:44
We're going to get started by taking a look at the distance between these holes. And it looks like about 2 inches will probably work.
03:52
But then we need to give it a distance from that center line. And it looks like about .6-5.
03:59
It's going to get us pretty close. We might find that we need to change that if we get too close to this edge.
04:04
The next I'm going to take a look at this one and it looks like about 1.75 is uh,
04:10
is roughly a good number and then we're gonna take a look at its distance from the center.
04:15
And we can probably bring that in a little bit closer at .5.
04:21
So now that we have all these points, I'm going to finish the sketch and I'm going to go back and change my shading.
04:27
I want the visual style to only show the visible edges.
04:30
Now we're going to go to create and whole,
04:34
we're going to use the placement from sketch multiple holes and then I'm just going to start selecting my sketch points.
04:41
Don't worry about the preview on the screen, It's going to default to a large hole and we're going to change all of that.
04:47
We're going to go to a tapped hole and it's going to be a thread full,
04:52
which means that it's going to go all the way to the bottom of the depth that we have.
04:56
And then we want to come down and select its size.
04:59
Going to scroll until we find a quarter inch and we're going to be using quarter 20.
05:03
We don't want it to go all the way through the part.
05:05
We want this to still be sealed as there might be oil or some sort of grease inside of a gear housing.
05:11
We're going to only take this down a certain amount.
05:14
I'm going to go down .22 and just see what that looks like.
05:21
In order to figure out if we're actually hitting anything,
05:24
I'm going to go to inspect and create a section analysis and I'm just going to use the default right plane.
05:31
So we can see at .22, we have a drill point which is getting close to the other side but it still gives us a little bit of room.
05:40
We'll still have at least three or four threads that we can grab onto with some hardware.
05:44
But really what we want to take a look at is whether or not we're getting too close to any other geometry with these holes.
05:51
So you can see that this whole is fine, there's plenty of room between it and that step.
05:56
But this is the one that we want to be the most concerned with.
05:60
And again, it looks like because of the depth that we still have plenty of material here and it's not too concerning.
06:06
Everything looks to be okay.
06:08
I'm going to just drag this a little bit farther and then again we can put it back and if we want to save the section view,
06:14
let's go ahead and just say okay.
06:16
And then in the analysis folder, we can hide it.
06:21
So at this point we've added some non critical features and if we want to make any changes, we can always edit,
06:28
go back to that feature and determine whether or not this is the correct size that we want to use.
06:34
Were concerned about any clearances.
06:35
We can move the whole locations in the sketch and the whole feature will update.
06:40
If we're concerned about the size of the hole, we can increase or decrease it here by simply selecting a different size and a different threat.
06:47
For example, if we wanted to use a fine thread, because we're concerned about the number of threads holding onto the part,
06:53
we can go to a quarter 28 which is a standard size.
06:58
For right now, everything looks pretty good. So I'm going to go back to a home view and save this design before moving on.
Video transcript
00:02
In this video, we'll talk about non-critical features to aid in manufacture.
00:08
After completing this step, you'll be able to use whole.
00:13
In fusion 360, we're going to carry on with our gear housing front cover only.
00:19
We're now going to talk about adding non critical features that will aid in manufacture.
00:25
This is a fairly large part and it's going to be complicated to hold, especially if the outside is being machine.
00:32
So oftentimes we might want to consider using a fixture plate something to hold the part down.
00:38
And in this case we're going to create a fixture plate that has non critical features.
00:43
In this case some tapped holes because the outside is cosmetic and we really added a bunch of material back to it.
00:50
We're going to use this opportunity to add some tapped holes to the design and those tapped holes will be a good place for us to bolt it down.
00:58
And the reason that this works is because we're going to machine the entire part from one side,
01:04
so the stock will automatically be faced off and we'll have drilled and tapped holes on one side.
01:10
That way we can bolt it down to a fixture.
01:12
But then when it's flipped over all of the inside bores,
01:16
the locations for all the bearings and gears and the outside shape in the bolt holes all be done at the same time.
01:22
So we don't have to worry as much about tolerance when bolting down to a fixture plate.
01:27
If you do have to worry about indexing certain features.
01:30
Then using taper dowel pins or even creating custom soft jobs to hold the part are probably a better method.
01:37
For us, we're going to get started by first activating the front cover,
01:42
and then we're going to select the outside face and we're going to create a new sketch.
01:47
This becomes partially problematic because we don't know where the stuff is on the other side.
01:53
If we want to see this stuff on the other side, we can always use project to include some of it,
01:58
or we can simply create our sketch geometry and flip it over and check.
02:02
We can even just change the transparency or the opacity of the object. So that way we can actually see through it.
02:09
Any of these options are fine and you can go through change the visual style if you want to see the hidden edges,
02:17
for example, we can see right through the part and that way we know exactly where everything is.
02:22
So we're going to get started by adding a couple sketch points.
02:26
We want to start with sketch points in the sketch circle to add a couple different locations.
02:32
So we're going to get started with a sketch circle and I'm going to change it to construction,
02:37
starting at the center and I'm going to drag this out and this is going to be a reference for where we're going to play some sketch points.
02:45
We need to of course add a dimension because this is going to be a critical locating feature, so at the size that it was sketched, about 1.5 inches.
02:54
Looks pretty good.
02:55
So that's going to be our reference.
02:58
Then I'm going to go to my create and select point because later on we're going to be using the whole tool,
03:03
which only requires us to have a center point location.
03:06
This is going to work for us by placing three of these points at the top bottom and the left quadrant.
03:13
We then want to use the horizontal vertical constraint to make sure that they are truly vertical or horizontal with the center or origin.
03:23
So now that we have those three, let's hit escape to get off our constraint tool and we want to add a couple more points.
03:28
This is not going to be enough to hold it.
03:30
So we want to have a point in this area over here and then we probably want one over here somewhere,
03:37
because we just barely have enough material going to hit escape to get off my point tool and go to my dimension tool.
03:44
We're going to get started by taking a look at the distance between these holes. And it looks like about 2 inches will probably work.
03:52
But then we need to give it a distance from that center line. And it looks like about .6-5.
03:59
It's going to get us pretty close. We might find that we need to change that if we get too close to this edge.
04:04
The next I'm going to take a look at this one and it looks like about 1.75 is uh,
04:10
is roughly a good number and then we're gonna take a look at its distance from the center.
04:15
And we can probably bring that in a little bit closer at .5.
04:21
So now that we have all these points, I'm going to finish the sketch and I'm going to go back and change my shading.
04:27
I want the visual style to only show the visible edges.
04:30
Now we're going to go to create and whole,
04:34
we're going to use the placement from sketch multiple holes and then I'm just going to start selecting my sketch points.
04:41
Don't worry about the preview on the screen, It's going to default to a large hole and we're going to change all of that.
04:47
We're going to go to a tapped hole and it's going to be a thread full,
04:52
which means that it's going to go all the way to the bottom of the depth that we have.
04:56
And then we want to come down and select its size.
04:59
Going to scroll until we find a quarter inch and we're going to be using quarter 20.
05:03
We don't want it to go all the way through the part.
05:05
We want this to still be sealed as there might be oil or some sort of grease inside of a gear housing.
05:11
We're going to only take this down a certain amount.
05:14
I'm going to go down .22 and just see what that looks like.
05:21
In order to figure out if we're actually hitting anything,
05:24
I'm going to go to inspect and create a section analysis and I'm just going to use the default right plane.
05:31
So we can see at .22, we have a drill point which is getting close to the other side but it still gives us a little bit of room.
05:40
We'll still have at least three or four threads that we can grab onto with some hardware.
05:44
But really what we want to take a look at is whether or not we're getting too close to any other geometry with these holes.
05:51
So you can see that this whole is fine, there's plenty of room between it and that step.
05:56
But this is the one that we want to be the most concerned with.
05:60
And again, it looks like because of the depth that we still have plenty of material here and it's not too concerning.
06:06
Everything looks to be okay.
06:08
I'm going to just drag this a little bit farther and then again we can put it back and if we want to save the section view,
06:14
let's go ahead and just say okay.
06:16
And then in the analysis folder, we can hide it.
06:21
So at this point we've added some non critical features and if we want to make any changes, we can always edit,
06:28
go back to that feature and determine whether or not this is the correct size that we want to use.
06:34
Were concerned about any clearances.
06:35
We can move the whole locations in the sketch and the whole feature will update.
06:40
If we're concerned about the size of the hole, we can increase or decrease it here by simply selecting a different size and a different threat.
06:47
For example, if we wanted to use a fine thread, because we're concerned about the number of threads holding onto the part,
06:53
we can go to a quarter 28 which is a standard size.
06:58
For right now, everything looks pretty good. So I'm going to go back to a home view and save this design before moving on.
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