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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 drill and tap in three axes.
00:07
After completing this lesson, you'll be able to create a spot drill operation and create drilling and tapping toolpaths.
00:15
For this lesson, we want to carry on with our multi-axis positioning design.
00:19
If you had any difficulty in the setup of the adaptive the 2D contour or the 2D adaptive operations,
00:25
you can also upload the supply design, multi-axis positioning V6.F3D.
00:31
Now that we've created the 3D adaptive to clear out most of the part,
00:36
we've taken a look at the 2D contour to clear the outside of the part and then the 2D adaptive to take care of the pocket on the top.
00:44
We now want to look at making our spot drill, our drill and our tapping operations for the top four holes.
00:51
To do this, we're going to get started by going to drilling and selecting the appropriate tool.
00:57
From our multi-axis library, we want to take a look at tool number one, which is our quarter inch spot drill.
01:04
From here in the geometry section, we have several different ways we can select the holes.
01:09
We can do it by a selected face, selected points or a diameter range.
01:16
The selected face option allows us to select the face of the whole, and it'll automatically gather data about how deep the hole is.
01:24
We can use this option to also select the same diameter which will automatically grab the other three holes that are the same size.
01:32
This is a great option, especially with these blind holes where we can grab all four of the holes fairly quickly.
01:39
However, we must keep in mind that we're using a spot drill in this first operation, and we don't need to take it that deep.
01:46
So for the heights instead of using the whole bottom, we're going to take a look at a selection.
01:53
So I want to select the top, and then I'm going to use the drill tip through bottom option.
01:59
This will automatically take the tip of the drill bit,
02:02
in this case, a spot drill down far enough for it to go all the way through the bottom of our selection based on that geometry.
02:12
Also note that this opens up another option called breakthrough depth.
02:16
That breakthrough depth will allow us to add an additional amount in a positive value to go that much farther.
02:23
Because we are using the spot drill, we have to be careful with how deep we actually go down.
02:28
We might not want to use that drill tip all the way through bottom, and we might simply want to add a value, in this case -.05 enough to spot drill.
02:38
If I say okay, we take a look at the stock that's created.
02:42
We're going to go ahead and turn off our cutting moves and change our stock, so that it's not transparent anymore.
02:48
We can see exactly what material was removed.
02:52
So using that drilling and wrap it out, we can see how deep the tool went.
02:57
What we can do is make adjustments to those parameters and then determine whether or not we wanted to go down farther or maybe less.
03:05
The next thing that I'm going to do is right click on this operation and I want to duplicate it.
03:11
When we duplicate the operation, we make an exact copy,
03:14
all the settings, all the parameters that we used allowed us to grab that and simply make that duplicate.
03:22
There are other options.
03:23
For example, when we right click, we can create a derived operation.
03:28
This allows us to, for example, select drilling,
03:31
which will make a derived operation based on our selections but allow us to make adjustments such as grab a different tool.
03:39
In this case, the derive is probably the better option because we're going to be drilling with tool number 2 and number 7 drill,
03:47
and we don't want to use all of those same values.
03:50
The geometry is all the same.
03:52
Notice that we have select the same diameter but it's only grabbing that single face.
03:58
So in this case, we might need to go back and select the other faces.
04:02
For the heights, however, notice that it's grabbing the selection and in this case, I want to use whole bottom.
04:11
I'm going to turn off the offset value and reset it to zero, and then I want to go to my cycles.
04:17
In here because we are drilling a blind hole, and especially since we're going down over the diameter of the drill,
04:24
I want to make sure that I use some sort of peck drilling operation.
04:29
We have a chip breaking which is a partial retract or a deep drilling, which is a full retract.
04:34
The main difference between these is how far the tool is going to come back out for each peck that it goes down.
04:42
For the chip breaking, it's simply going to go down an amount in this case .05025,
04:48
and then it will come back up that amount and then it will drill the next step.
04:52
If we use a full retract, the drill will come all the way back out of the hole before it goes back in,
04:57
depending on what you're doing, how big of a whole you're drilling and how deep it is.
05:01
You might want the drill bit to come all the way back out to help clear those chips.
05:06
For our purposes, I'm going to go back in and that first duplicate operation I'm going to delete,
05:11
so now I have my peck drill, and then I have the drilling operation.
05:16
The next thing I want to do is create a tapping operation.
05:19
In this case, instead of creating a duplicate or a derived operation, I'm going to start again from scratch.
05:26
One of the main reasons I like to start again from scratch is because I want to make sure
05:32
that the operational defaults that come in with that tool are going to be based on that selection, and I don't have to manually change it.
05:41
So we're going to grab tool number four which is a quarter 20 tap.
05:45
For my geometry, I'm going to select the diameter range.
05:49
In this case, I can manually select based on these values,
05:53
and then for my cycle, you notice that it's automatically set to tapping based on the tool definition.
05:60
The last thing that we want to be aware of is the heights because we are dealing with the blind hole.
06:05
If we take a tap down exactly how far that blind hole has been drilled,
06:10
there's a good chance of us bottoming out and actually snapping the tap or breaking it.
06:15
So in this case, I'm going to add a positive value of .03, which will bring that tap just up a little bit.
06:24
Keep in mind the drill at the end does have a drill point, which means that the hole is going to be deeper than just .03 than this.
06:32
But again, we don't really want to take that tap all the way down to that bottom and risk breaking it.
06:38
So from here we'll say ‘okay’, and now we've created our drilling and tapping operations.
06:43
You'll notice that the preview on the screen shows that we've removed more material than the actual hole.
06:48
And that's because the hole size is based on the drill bit size which is the minimum diameter that we need.
06:54
It's not based on the maximum size that the tap would cut because we are dealing with a simplified representation of the tap.
07:02
It just looks like it's showing the major diameter.
07:05
The last thing that I want to do before I move on is I want to rename some of these operations, so that we understand what they're doing.
07:12
For adaptive one, I'm going to name this roughing.
07:16
For my 2D contour, I'm going to name this outside profile.
07:23
For my 2D adaptive, I'm going to call this top pocket.
07:28
And remember with that top pocket, we didn't have any 2D contour or pocketing finishing operations.
07:34
That's something we can certainly go back and do.
07:36
But because this course is based on multi-axis, I didn't feel the need to spend time working on 2D finishing operations.
07:44
Then for our drill 1, we're going to call the spot drill.
07:50
For drill 2, we're going to call this peck drill.
07:55
And for drill 3, we're going to call this tap.
07:60
And again based on some of those operational defaults or those parameters in your user preferences, you'll see different things.
08:07
For example, we're seeing the cycle type for rapid out chip breaking and tap inside of our browser.
08:13
These are things that we can turn on or off in our user preferences.
08:18
For now, I'm going to go back to a Home view, make sure that I do save the design, and then we can move on to the next step.
Video transcript
00:02
In this lesson, we'll drill and tap in three axes.
00:07
After completing this lesson, you'll be able to create a spot drill operation and create drilling and tapping toolpaths.
00:15
For this lesson, we want to carry on with our multi-axis positioning design.
00:19
If you had any difficulty in the setup of the adaptive the 2D contour or the 2D adaptive operations,
00:25
you can also upload the supply design, multi-axis positioning V6.F3D.
00:31
Now that we've created the 3D adaptive to clear out most of the part,
00:36
we've taken a look at the 2D contour to clear the outside of the part and then the 2D adaptive to take care of the pocket on the top.
00:44
We now want to look at making our spot drill, our drill and our tapping operations for the top four holes.
00:51
To do this, we're going to get started by going to drilling and selecting the appropriate tool.
00:57
From our multi-axis library, we want to take a look at tool number one, which is our quarter inch spot drill.
01:04
From here in the geometry section, we have several different ways we can select the holes.
01:09
We can do it by a selected face, selected points or a diameter range.
01:16
The selected face option allows us to select the face of the whole, and it'll automatically gather data about how deep the hole is.
01:24
We can use this option to also select the same diameter which will automatically grab the other three holes that are the same size.
01:32
This is a great option, especially with these blind holes where we can grab all four of the holes fairly quickly.
01:39
However, we must keep in mind that we're using a spot drill in this first operation, and we don't need to take it that deep.
01:46
So for the heights instead of using the whole bottom, we're going to take a look at a selection.
01:53
So I want to select the top, and then I'm going to use the drill tip through bottom option.
01:59
This will automatically take the tip of the drill bit,
02:02
in this case, a spot drill down far enough for it to go all the way through the bottom of our selection based on that geometry.
02:12
Also note that this opens up another option called breakthrough depth.
02:16
That breakthrough depth will allow us to add an additional amount in a positive value to go that much farther.
02:23
Because we are using the spot drill, we have to be careful with how deep we actually go down.
02:28
We might not want to use that drill tip all the way through bottom, and we might simply want to add a value, in this case -.05 enough to spot drill.
02:38
If I say okay, we take a look at the stock that's created.
02:42
We're going to go ahead and turn off our cutting moves and change our stock, so that it's not transparent anymore.
02:48
We can see exactly what material was removed.
02:52
So using that drilling and wrap it out, we can see how deep the tool went.
02:57
What we can do is make adjustments to those parameters and then determine whether or not we wanted to go down farther or maybe less.
03:05
The next thing that I'm going to do is right click on this operation and I want to duplicate it.
03:11
When we duplicate the operation, we make an exact copy,
03:14
all the settings, all the parameters that we used allowed us to grab that and simply make that duplicate.
03:22
There are other options.
03:23
For example, when we right click, we can create a derived operation.
03:28
This allows us to, for example, select drilling,
03:31
which will make a derived operation based on our selections but allow us to make adjustments such as grab a different tool.
03:39
In this case, the derive is probably the better option because we're going to be drilling with tool number 2 and number 7 drill,
03:47
and we don't want to use all of those same values.
03:50
The geometry is all the same.
03:52
Notice that we have select the same diameter but it's only grabbing that single face.
03:58
So in this case, we might need to go back and select the other faces.
04:02
For the heights, however, notice that it's grabbing the selection and in this case, I want to use whole bottom.
04:11
I'm going to turn off the offset value and reset it to zero, and then I want to go to my cycles.
04:17
In here because we are drilling a blind hole, and especially since we're going down over the diameter of the drill,
04:24
I want to make sure that I use some sort of peck drilling operation.
04:29
We have a chip breaking which is a partial retract or a deep drilling, which is a full retract.
04:34
The main difference between these is how far the tool is going to come back out for each peck that it goes down.
04:42
For the chip breaking, it's simply going to go down an amount in this case .05025,
04:48
and then it will come back up that amount and then it will drill the next step.
04:52
If we use a full retract, the drill will come all the way back out of the hole before it goes back in,
04:57
depending on what you're doing, how big of a whole you're drilling and how deep it is.
05:01
You might want the drill bit to come all the way back out to help clear those chips.
05:06
For our purposes, I'm going to go back in and that first duplicate operation I'm going to delete,
05:11
so now I have my peck drill, and then I have the drilling operation.
05:16
The next thing I want to do is create a tapping operation.
05:19
In this case, instead of creating a duplicate or a derived operation, I'm going to start again from scratch.
05:26
One of the main reasons I like to start again from scratch is because I want to make sure
05:32
that the operational defaults that come in with that tool are going to be based on that selection, and I don't have to manually change it.
05:41
So we're going to grab tool number four which is a quarter 20 tap.
05:45
For my geometry, I'm going to select the diameter range.
05:49
In this case, I can manually select based on these values,
05:53
and then for my cycle, you notice that it's automatically set to tapping based on the tool definition.
05:60
The last thing that we want to be aware of is the heights because we are dealing with the blind hole.
06:05
If we take a tap down exactly how far that blind hole has been drilled,
06:10
there's a good chance of us bottoming out and actually snapping the tap or breaking it.
06:15
So in this case, I'm going to add a positive value of .03, which will bring that tap just up a little bit.
06:24
Keep in mind the drill at the end does have a drill point, which means that the hole is going to be deeper than just .03 than this.
06:32
But again, we don't really want to take that tap all the way down to that bottom and risk breaking it.
06:38
So from here we'll say ‘okay’, and now we've created our drilling and tapping operations.
06:43
You'll notice that the preview on the screen shows that we've removed more material than the actual hole.
06:48
And that's because the hole size is based on the drill bit size which is the minimum diameter that we need.
06:54
It's not based on the maximum size that the tap would cut because we are dealing with a simplified representation of the tap.
07:02
It just looks like it's showing the major diameter.
07:05
The last thing that I want to do before I move on is I want to rename some of these operations, so that we understand what they're doing.
07:12
For adaptive one, I'm going to name this roughing.
07:16
For my 2D contour, I'm going to name this outside profile.
07:23
For my 2D adaptive, I'm going to call this top pocket.
07:28
And remember with that top pocket, we didn't have any 2D contour or pocketing finishing operations.
07:34
That's something we can certainly go back and do.
07:36
But because this course is based on multi-axis, I didn't feel the need to spend time working on 2D finishing operations.
07:44
Then for our drill 1, we're going to call the spot drill.
07:50
For drill 2, we're going to call this peck drill.
07:55
And for drill 3, we're going to call this tap.
07:60
And again based on some of those operational defaults or those parameters in your user preferences, you'll see different things.
08:07
For example, we're seeing the cycle type for rapid out chip breaking and tap inside of our browser.
08:13
These are things that we can turn on or off in our user preferences.
08:18
For now, I'm going to go back to a Home view, make sure that I do save the design, and then we can move on to the next step.
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