Transcript
00:02
In this video, will finish mill and drill apart.
00:06
After completing this step,
00:07
you'll be able to create a 2D contour toolpath, create a spot drilling operation, a chip breaking operation and a bore toolpath.
00:16
In fusion 360, we want to carry on with our gear housing for CNC mill.
00:21
At this point we need to talk about the order of operations and considering tool changes.
00:27
For example, we have tool number six which is a half inch flat end mill, then we go to our face mill, then back to a half inch end mill.
00:35
We want to avoid these tool changes. So what we're going to do is we're going to reorder these by dragging them into a certain order.
00:42
Keeping in mind that our face mill operation took into account the original outside profile.
00:49
So I want to come into my face mail operation.
00:52
I'm going to go to my geometry and I'm going to turn off that chain selection and instead use this contour.
00:59
That stock contour, allowing a machine that area and then our 2D adaptive can remove material from the outside,
01:05
and our 2D pocket can start to take away some material all with that half inch end mill.
01:11
Let's double check our 2D pocket settings and make sure that we're not leaving any stock behind and we are using that as a final finishing pass.
01:21
Now we need to account for drilling the outside holes.
01:24
We need to machine the outside of the part and then we also need to machine all these different bores.
01:30
So it's a good time for us to use inspect and take a look at some of these different areas,
01:35
such as the radius value of this Philip notice that the radius is 0.197 or a diameter of 0.394,
01:43
which means a half inch end mill is too large to machine end that tells me that I need to finish this off with a quarter inch end mill or larger.
01:51
Something that fits that size but is a little bit undersized to give us a good surface finish,
01:57
because I know we haven't created a three, its end mill and our tool library, we're going to be using a quarter inch to finish it off.
02:03
Let's also take a look at the smaller bores and see what sizes were working with.
02:08
We have a diameter of .315 and for this one here we have a diameter of .413.
02:15
So this tells me that I can likely get in there with a quarter in general even though it's going to be tight.
02:21
So the next step is to consider which tool we want to use next, these holes on the outside, we don't have a drill bit that's 0.236.
02:30
This is likely a metric size. And if we change our secondary units to millimeters, you can see that it comes out at a six millimeter hole.
02:39
Well, what we need to do is we need to drill with what we have,
02:42
and then we can take another enamel such as an eighth inch enamel and finish off the size of those holes.
02:48
So the first thing that I'm going to consider is spot drilling those holes.
02:51
Since I know that I'm going to have to come back with an end mill to finish them off.
02:55
So I'm going to select my spot drill.
02:59
I'm going to go into my cam DFM library and select spot drill and I'm going to use it for aluminum drilling.
03:07
I'm going to manually select the holes.
03:09
I'm going to go around and select each of these and then for my heights, I'm going to be using the top of whole and then drill tip through bottom.
03:21
We're going to say okay.
03:22
And that allows me to spot drill those positions even though we're going to be using an end mill.
03:27
It's not really needed that we spot drill but we have to be careful that we have a tool that can actually cut that geometry.
03:33
If you're using a small end mill that isn't center cutting, then it's going to be problematic. Taking it into that area.
03:40
Now that we have this rapid operation. I know that I have a .201 drill.
03:45
So I'm going to duplicate this,
03:48
and then I'm going to modify the duplicate and I'm going to drill those holes using that 0.201 or number seven drill.
03:57
Again, it's not the right size but it gets us pretty close.
04:00
I'm going to reverse the order and I'm going to change the cycle to a partial retract.
04:06
I also want to make sure that I go to the heights and then I use the whole bottom and I allow the drill tip to go through and say, okay.
04:15
Now we've drilled all the way through, allows us to just poke through the other side of the stock.
04:19
Keeping in mind we've already faced the other side.
04:22
Now that these are close, I know when I come back with an 8th inch end mill,
04:26
I can finish those holes off and I'm only removing a small amount of material.
04:32
Another thing that we could consider is using that same drill to pre drill all these other locations.
04:38
I'm not going to be doing that because I'm going to be using a 2D pocket,
04:42
but just keep in mind that we do have options and it might be a good idea for us to do something like that.
04:47
I'm going to create a 2D pocket using my quarter inch flat. And this is going to be tool number five.
04:54
I'm going to use it for aluminum roughing in this operation and then I want to select my geometry.
04:60
I'm going to allow it to machine that pocket as well as these pockets.
05:05
These are going to be press fit for bearings.
05:07
So I need to be careful and I need to do a final operation to bore them to the right size.
05:13
Because of this, I'm going to make sure that I'm leaving a small amount of material in the radial direction.
05:19
But I am going to take the axial material down to zero.
05:23
I'm not going to make any other adjustments to the toolpath.
05:26
I just want to take a look and see what geometry is cut,
05:30
noticing that it's going down all the way to the final death and doing this in one pass.
05:35
Depending on the material and the specifications, that might be okay, but it is something you need to be aware of.
05:41
Now that I have removed the majority of the material from those areas. I need to go back and finish off those insides, the outsides and these holes.
05:49
So there's still a lot that we need to do. And let's go ahead and let's explore ways in which we can finish them off.
05:56
We're still going to be using the quarter in gen mill and now I'm going to take a look at a 2D bore.
06:01
Going to use that quarter inch flat and for the geometry, we need a circular faced selection.
06:07
We're going to use this as our option. We're going to do the same thing for each of these other areas.
06:13
In the past this section, we need to make sure that we're not leaving any stock and I'm going to say, okay.
06:19
So it's going to go through and do my final cut on the boards of those areas.
06:23
And then I need to make sure that I machine out the insides.
06:27
This is going to be passing for a shaft. It's not going to have a tight fit or tight tolerance.
06:32
So I'm going to go back in with a 2D contour,
06:35
and I'm going to use that same quarter inch end mill and I'm gonna machine all the way down to that on each of these.
06:44
When I'm using the 2D contour again, I need to make sure that I'm not leaving stock.
06:48
I need to consider if I need to do multiple depths, but in this instance I'm actually going to use a ramp option.
06:55
The ramp option will follow the selected contour and it will just work its way down.
06:59
So I'm going to say, okay and take a look at the results.
07:03
Everything looks pretty good here. However, we are spending a lot of time with this helical entry well above the part.
07:10
So we need to consider how much time we're spending and if that makes sense, notice that the lead out has dropped based on linking constraints.
07:19
And that's simply because the tool is too large, in order to completely lead out based on the default parameters,
07:28
I'm going to make one adjustment to the 2D contour and that's in the heights section.
07:33
The feed height where it starts to create that feed operation, right now, is based on the top and the top height is based on the stock.
07:41
What I'm going to do is change this to a selection since I know I have machine down to at least this face,
07:46
I'm going to set that The top height is now based on that selection and then the feed height is based on .1,
07:54
where we have to be careful with this is in the fact that it's trying to jump over geometry.
08:00
Now it's telling me that the ramp clearance and the vertical lead in radius is higher than the feed height,
08:05
and it says that we should consider reducing the ramp clearance value and raise those to match.
08:12
We're going to say okay and we want to make sure that these clearance heights, these ramp heights where it's wrapping up to are going to be fine.
08:20
Everything looks pretty good from there. I'm happy with those results.
08:23
I still have a warning about my lead ins and lead out, but at this point I think the toolpaths look pretty good.
08:29
We still need to finish the outside in which we're going to use that quarter inch 10 mil.
08:33
So once again we'll create a 2D contour, quarter inch flat around the outside of the park,
08:40
we're not going to be leaving any stock and depending on our requirements,
08:45
we can determine whether or not we want to repeat the finish pass,
08:48
whether or not we want to have a roughing pass and if we want to use that ramp option again.
08:55
Now, in the case of this toolpath, I want to allow it to do a roughing pass and the roughing pass is going to be a very small amount.
09:03
I'm going to use .05 and we're going to do one roughing pass and one finish pass.
09:09
So this is going to allow it to do that roughing pass. And then it's going to step in that .05 to do it's finished pass.
09:15
Now remember that roughing pass is supposed to remove a bit of material, so maybe we can take that in a little bit more 2.025.
09:25
That will remove some material and then they'll allow us to do a final finish cut on the last bit.
09:31
Keeping in mind that we are seeing some stock here. But again we have stock left from the other side that we know it's going to be removed.
09:38
The last thing that we need to do is we need to finish the final diameter of these holes.
09:44
If they are critical, then we want to use something like a bore toolpath.
09:51
I'm going to go in with an 8th in flat end mill on aluminum finishing and I'm going to select the inside bore of each hole.
10:00
While this isn't strictly required. We could do a
10:03
This is a good way for us to come in and make sure that we're not engaging too much material with that tool.
10:10
Everything looks pretty good, and it's always a good idea for us to save often.
10:13
So at this point, let's make sure that we do save the design before we move on to the next step.
00:02
In this video, will finish mill and drill apart.
00:06
After completing this step,
00:07
you'll be able to create a 2D contour toolpath, create a spot drilling operation, a chip breaking operation and a bore toolpath.
00:16
In fusion 360, we want to carry on with our gear housing for CNC mill.
00:21
At this point we need to talk about the order of operations and considering tool changes.
00:27
For example, we have tool number six which is a half inch flat end mill, then we go to our face mill, then back to a half inch end mill.
00:35
We want to avoid these tool changes. So what we're going to do is we're going to reorder these by dragging them into a certain order.
00:42
Keeping in mind that our face mill operation took into account the original outside profile.
00:49
So I want to come into my face mail operation.
00:52
I'm going to go to my geometry and I'm going to turn off that chain selection and instead use this contour.
00:59
That stock contour, allowing a machine that area and then our 2D adaptive can remove material from the outside,
01:05
and our 2D pocket can start to take away some material all with that half inch end mill.
01:11
Let's double check our 2D pocket settings and make sure that we're not leaving any stock behind and we are using that as a final finishing pass.
01:21
Now we need to account for drilling the outside holes.
01:24
We need to machine the outside of the part and then we also need to machine all these different bores.
01:30
So it's a good time for us to use inspect and take a look at some of these different areas,
01:35
such as the radius value of this Philip notice that the radius is 0.197 or a diameter of 0.394,
01:43
which means a half inch end mill is too large to machine end that tells me that I need to finish this off with a quarter inch end mill or larger.
01:51
Something that fits that size but is a little bit undersized to give us a good surface finish,
01:57
because I know we haven't created a three, its end mill and our tool library, we're going to be using a quarter inch to finish it off.
02:03
Let's also take a look at the smaller bores and see what sizes were working with.
02:08
We have a diameter of .315 and for this one here we have a diameter of .413.
02:15
So this tells me that I can likely get in there with a quarter in general even though it's going to be tight.
02:21
So the next step is to consider which tool we want to use next, these holes on the outside, we don't have a drill bit that's 0.236.
02:30
This is likely a metric size. And if we change our secondary units to millimeters, you can see that it comes out at a six millimeter hole.
02:39
Well, what we need to do is we need to drill with what we have,
02:42
and then we can take another enamel such as an eighth inch enamel and finish off the size of those holes.
02:48
So the first thing that I'm going to consider is spot drilling those holes.
02:51
Since I know that I'm going to have to come back with an end mill to finish them off.
02:55
So I'm going to select my spot drill.
02:59
I'm going to go into my cam DFM library and select spot drill and I'm going to use it for aluminum drilling.
03:07
I'm going to manually select the holes.
03:09
I'm going to go around and select each of these and then for my heights, I'm going to be using the top of whole and then drill tip through bottom.
03:21
We're going to say okay.
03:22
And that allows me to spot drill those positions even though we're going to be using an end mill.
03:27
It's not really needed that we spot drill but we have to be careful that we have a tool that can actually cut that geometry.
03:33
If you're using a small end mill that isn't center cutting, then it's going to be problematic. Taking it into that area.
03:40
Now that we have this rapid operation. I know that I have a .201 drill.
03:45
So I'm going to duplicate this,
03:48
and then I'm going to modify the duplicate and I'm going to drill those holes using that 0.201 or number seven drill.
03:57
Again, it's not the right size but it gets us pretty close.
04:00
I'm going to reverse the order and I'm going to change the cycle to a partial retract.
04:06
I also want to make sure that I go to the heights and then I use the whole bottom and I allow the drill tip to go through and say, okay.
04:15
Now we've drilled all the way through, allows us to just poke through the other side of the stock.
04:19
Keeping in mind we've already faced the other side.
04:22
Now that these are close, I know when I come back with an 8th inch end mill,
04:26
I can finish those holes off and I'm only removing a small amount of material.
04:32
Another thing that we could consider is using that same drill to pre drill all these other locations.
04:38
I'm not going to be doing that because I'm going to be using a 2D pocket,
04:42
but just keep in mind that we do have options and it might be a good idea for us to do something like that.
04:47
I'm going to create a 2D pocket using my quarter inch flat. And this is going to be tool number five.
04:54
I'm going to use it for aluminum roughing in this operation and then I want to select my geometry.
04:60
I'm going to allow it to machine that pocket as well as these pockets.
05:05
These are going to be press fit for bearings.
05:07
So I need to be careful and I need to do a final operation to bore them to the right size.
05:13
Because of this, I'm going to make sure that I'm leaving a small amount of material in the radial direction.
05:19
But I am going to take the axial material down to zero.
05:23
I'm not going to make any other adjustments to the toolpath.
05:26
I just want to take a look and see what geometry is cut,
05:30
noticing that it's going down all the way to the final death and doing this in one pass.
05:35
Depending on the material and the specifications, that might be okay, but it is something you need to be aware of.
05:41
Now that I have removed the majority of the material from those areas. I need to go back and finish off those insides, the outsides and these holes.
05:49
So there's still a lot that we need to do. And let's go ahead and let's explore ways in which we can finish them off.
05:56
We're still going to be using the quarter in gen mill and now I'm going to take a look at a 2D bore.
06:01
Going to use that quarter inch flat and for the geometry, we need a circular faced selection.
06:07
We're going to use this as our option. We're going to do the same thing for each of these other areas.
06:13
In the past this section, we need to make sure that we're not leaving any stock and I'm going to say, okay.
06:19
So it's going to go through and do my final cut on the boards of those areas.
06:23
And then I need to make sure that I machine out the insides.
06:27
This is going to be passing for a shaft. It's not going to have a tight fit or tight tolerance.
06:32
So I'm going to go back in with a 2D contour,
06:35
and I'm going to use that same quarter inch end mill and I'm gonna machine all the way down to that on each of these.
06:44
When I'm using the 2D contour again, I need to make sure that I'm not leaving stock.
06:48
I need to consider if I need to do multiple depths, but in this instance I'm actually going to use a ramp option.
06:55
The ramp option will follow the selected contour and it will just work its way down.
06:59
So I'm going to say, okay and take a look at the results.
07:03
Everything looks pretty good here. However, we are spending a lot of time with this helical entry well above the part.
07:10
So we need to consider how much time we're spending and if that makes sense, notice that the lead out has dropped based on linking constraints.
07:19
And that's simply because the tool is too large, in order to completely lead out based on the default parameters,
07:28
I'm going to make one adjustment to the 2D contour and that's in the heights section.
07:33
The feed height where it starts to create that feed operation, right now, is based on the top and the top height is based on the stock.
07:41
What I'm going to do is change this to a selection since I know I have machine down to at least this face,
07:46
I'm going to set that The top height is now based on that selection and then the feed height is based on .1,
07:54
where we have to be careful with this is in the fact that it's trying to jump over geometry.
08:00
Now it's telling me that the ramp clearance and the vertical lead in radius is higher than the feed height,
08:05
and it says that we should consider reducing the ramp clearance value and raise those to match.
08:12
We're going to say okay and we want to make sure that these clearance heights, these ramp heights where it's wrapping up to are going to be fine.
08:20
Everything looks pretty good from there. I'm happy with those results.
08:23
I still have a warning about my lead ins and lead out, but at this point I think the toolpaths look pretty good.
08:29
We still need to finish the outside in which we're going to use that quarter inch 10 mil.
08:33
So once again we'll create a 2D contour, quarter inch flat around the outside of the park,
08:40
we're not going to be leaving any stock and depending on our requirements,
08:45
we can determine whether or not we want to repeat the finish pass,
08:48
whether or not we want to have a roughing pass and if we want to use that ramp option again.
08:55
Now, in the case of this toolpath, I want to allow it to do a roughing pass and the roughing pass is going to be a very small amount.
09:03
I'm going to use .05 and we're going to do one roughing pass and one finish pass.
09:09
So this is going to allow it to do that roughing pass. And then it's going to step in that .05 to do it's finished pass.
09:15
Now remember that roughing pass is supposed to remove a bit of material, so maybe we can take that in a little bit more 2.025.
09:25
That will remove some material and then they'll allow us to do a final finish cut on the last bit.
09:31
Keeping in mind that we are seeing some stock here. But again we have stock left from the other side that we know it's going to be removed.
09:38
The last thing that we need to do is we need to finish the final diameter of these holes.
09:44
If they are critical, then we want to use something like a bore toolpath.
09:51
I'm going to go in with an 8th in flat end mill on aluminum finishing and I'm going to select the inside bore of each hole.
10:00
While this isn't strictly required. We could do a
10:03
This is a good way for us to come in and make sure that we're not engaging too much material with that tool.
10:10
Everything looks pretty good, and it's always a good idea for us to save often.
10:13
So at this point, let's make sure that we do save the design before we move on to the next step.
Step-by-steps
