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Transcript
00:02
create a camp set up and process plan.
00:06
In this video we'll review a process plan,
00:09
create a camp set up for CNC milling
00:11
and set up stock and coordinate system digitally.
00:15
In this video, we're going to be taking a look at a handful of different files.
00:19
So first we're gonna be taking a look at engine case Rh dash, ready to program.
00:25
This is the design that we're going to be using
00:27
to create our tool paths to ultimately machine this part.
00:31
I also have a version that I'm going to show you that is completely program.
00:35
So we can better understand how the part is being held.
00:38
Now when you're planning out how to machine apart,
00:42
there are a handful of different bits and pieces that go into this process.
00:46
First, we need to think about the detailed drawing,
00:48
critical information tolerance values and how the part needs to be created.
00:54
What areas are going to be critical and what are not as critical.
00:57
There's also going to be aspects of the design where we
01:00
need to think about how we're going to hold it,
01:02
which different orientations we need to machine
01:05
and all of this goes into what's called a process plan.
01:08
Now,
01:08
whether this is actually a document you create or
01:11
it's just a mental exercise that you perform.
01:14
It happens every time you create a program for a part with this specific part.
01:18
Let's take a look first at a couple
01:20
of documents to better understand the generic process.
01:25
So on the screen on the right hand side we have a
01:28
generic spreadsheet and you can find this in the supply data sets.
01:32
This spreadsheet here is a list of different operations setups and
01:37
tools to be used as well as a section for notes.
01:40
If you need to have notes,
01:41
such as how far the tool needs to stick out or any specifications on the part.
01:46
So when we take a look at this, you can see that we've got four different setups,
01:50
which means that we're machining the part from four different sides.
01:53
And typically what you would do is review a detailed drawing
01:56
or a 3D model and you would come up with a
01:58
plan on which way you want to machine the part first
02:01
and what those order of operations are going to be.
02:04
Now,
02:04
the orders of operation typically comes from
02:07
a bit of experience as well as understanding
02:10
that you need to rough large amounts of material first and finish them later.
02:15
The experience comes with knowing things like whether or not
02:18
you need to machine the inside or the outside first,
02:20
if you have thin walls or if you have a lot
02:22
of material and the part is going to be relatively stable.
02:26
This other document here is a set up sheet.
02:29
Now, this setup sheet comes from fusion 3 60 as well as any,
02:32
can program a setup sheet is something that you would take to
02:35
the machine operator to let them know information about the part,
02:39
the coordinate system locations, the tools that are being used,
02:43
the operations and so on.
02:45
So as we look through this document we can see that we've got different tools listed.
02:50
It tells us that tool number one is a half inch three flute flat end
02:54
mill and it tells us that it's an inch and a half flute length.
02:58
This tells us that we have a cutting length of an inch and a half on this tool.
03:02
It tells us that it's using a cat 40 holder with an E. R. 32. You call it.
03:07
And we can see extra information about things like the spindle speed,
03:11
the cutting distance, the feed rate and so on.
03:14
As we go through this list, you can see that we've got a spot drill,
03:18
we have a champ for mill,
03:20
we've got other tools such as taps and drills for specific tap
03:24
sizes and we've got a quarter and gin mill and so on.
03:27
So that to list gives the machine operator everything they need
03:31
to know to set up the tools for the operations.
03:34
Then we go into the setups.
03:36
Now in this case op one which is short for operation, one has the WCS setup of one.
03:42
Now, depending on the machine tool that you're using, that W. C.
03:47
S of one generally references G 54
03:50
we're looking at a generic cost machine for this case.
03:53
It tells us where the coordinate system is located.
03:55
We can see an outline of stock on the part and there's a note that's here,
03:59
A typical kurt Vice with a 1.75 inch tall jaws.
04:02
We're going to use a 1.375 parallels.
04:06
That means we're going to put the parallels in the vice underneath the stock and
04:10
it'll put it up high enough so that we can machine everything we need to
04:13
Op two. We can see the coordinate system is now located on the bottom.
04:18
This is because the top of it was machined accurately in the first setup.
04:22
Now we know exactly where the outside of the part is and that is a machine face,
04:27
which we have a datum reference for in our detailed drawing.
04:30
So we want to make sure that we reference that.
04:32
So we have an accurate location for X Y Z zero.
04:35
We can see here that we're going to put this in advice again
04:38
for the second operation and it's going to be using 00.75 parallels.
04:44
You also note that it has a different WCS So if you're setting up your machine tool,
04:49
the WCS one or G 54 could be set up for your first operation,
04:54
WCS two or G 55 could be set up for your second operation.
04:58
So if you have multiple positions on the machine,
05:00
you could theoretically run these in each
05:03
position without having to reset your coordinate system
05:07
as we go down to op three or Operation three. The wcs is three or G 56
05:14
again it says use 1.625 parallels.
05:18
We can see where the coordinate system is located at this point.
05:21
The top and the bottom have been completely
05:23
machined as well as the entire outside faces.
05:26
All that is going to be left here is for us to take care of those internal details,
05:31
flip it over and to take care of the counter boards.
05:35
Now, when we flip the part over,
05:36
we have a note here that we can use the same WCS location as OP three.
05:41
So it's still using that G 56.
05:44
This is great.
05:45
If you have a stop set up on your machine, you can just flip the part over,
05:49
slide it against the stop.
05:51
Your Y zero will be against a fixed jaw.
05:54
On advice,
05:54
your X zero will be against your stop and zero because the entire part was
05:59
already machine the top and bottom will already
06:02
still be set from the previous operation.
06:05
And as we go down, there is a list of operations for each W. C. S.
06:09
You can see that there are 21 operations,
06:11
it tells you what the first operation is and any notes that are added
06:16
as we go down, we can see all the different operations.
06:19
Now,
06:19
this process is generally done again mentally as an
06:23
exercise or in some cases as an actual document.
06:26
Now let's hop into fusion 3 60
06:29
let's take a look at the part programmed.
06:32
So when we look at the part programmed,
06:33
we have op one and op one has our coordinate system at the top corner of the stock.
06:39
We can see how it's held inside of the vice.
06:41
We can see parallels and we can machine all the way around the part.
06:46
If I expand this, we can go through and see that we're facing the top,
06:50
we're doing the outside contour.
06:52
Were spot drilling,
06:53
we're then putting a pilot drill for a 10 32.
06:57
Were championing the holes,
06:59
were tampering the part profile and then we're tapping the holes.
07:02
Finally, when we get to opt to again,
07:06
we're flipping the part over in ze zero is
07:08
located on the already machine face of the part.
07:12
You can see that we left a hat around the top.
07:14
And this means that when we go through,
07:16
we first need to face off the top and then we're
07:18
going to do a deeper or a champ for on the profile
07:22
For op three. Again, we need to flip the part over.
07:24
We've already machined the entire outside as well as the top and the bottom.
07:28
So we know we have good references. We know we're using parallels in the vice.
07:32
We know where the coordinate system can be located and
07:35
now we can machine all of the inside features.
07:37
So this means we do a roughing operation, we finish part of that operation.
07:42
We do a roughing for the base. We finished part of it,
07:45
we do our spot drills or drills and any other operations we need,
07:49
we end up with a bore where the bearing is going to go in the
07:52
center and we finish off with just a deeper on all the sharp corners.
07:56
And finally we finish up with op four and opt
07:59
for is simply going to be to come back in and
08:02
take a look at counter boring the holes where the
08:04
quarter inch screws go and then again a quick deeper.
08:07
So the process of figuring this out comes from a little bit of experience,
08:12
a little bit of planning and a little bit of time.
08:16
So when we look at our part, the engine case, R. H.
08:20
Ready to program this file already contains a body that represents our stock and
08:25
this is good practice for us to figure out the size of stock that we're
08:29
going to be using and also where it's positioned relative to the part because we
08:34
are going to be machining from the top as we're looking at it here,
08:38
we're going to be machining from this face down to get started.
08:41
This gives us a lot of material in the bottom to be held in a vice.
08:45
And this file also contains vices for each of the operations.
08:49
So if we take a look inside of the vice and inside of the rear jaw bodies,
08:54
you can see that we've got different parallels for different operations.
08:58
We can hide or show the different parallels.
09:00
This will help us when we're setting
09:02
up our assemblies before we get into programming
09:05
while it isn't strictly required that we go through the steps to put advice,
09:10
model the stock and do all the extra steps.
09:13
It is very helpful,
09:14
especially when getting started to help visualize all the things
09:18
that you might collide into when you're programming your part.
09:21
If we didn't know how far down into the vice this part was being held,
09:25
we wouldn't necessarily know how far down we can take the tool.
09:28
This gives us a great visual reference as well
09:31
as a reference for things like collision checking.
09:34
Now that we see that this part contains four different vices and
09:38
we're going to be using those when setting up our parts.
09:41
Let's go ahead and hop into the manufacturer
09:43
workspace and set up our first cam setup.
09:46
So from design we're going to navigate down to manufacture,
09:49
we're going to make sure that we're in
09:51
milling and we're going to rotate our part around
09:56
and I'm going to use my view cube to come to this upper left hand corner.
10:00
Once we're inside of here,
10:01
the first step to this process is figuring out the first orientation.
10:06
We're going to machine and creating that set up so from the models,
10:09
we're going to expand this and we're going to make
10:11
sure that we are looking at the first vice,
10:14
you'll notice that even though it shows it's visible.
10:16
The vice for opt for is actually visible.
10:18
So we need to expand this, make sure that our base,
10:21
our rear jaw and the front jaw are visible
10:24
and make sure that the correct parallels are shown.
10:27
Once we have that set up, let's go ahead and create our new cam setup.
10:32
We do this from our setup menu, select new setup.
10:36
We need to select the operation type which is milling.
10:39
We need to select our work coordinate system, our model and our fixture.
10:44
So this can typically happen in order.
10:47
But with this example, since we actually do have advice,
10:50
it's important for us to focus specifically on the model.
10:53
So when I select the model,
10:56
I'm going to go into my models into the bodies folder and select my part.
11:00
The stock body will be used when we set up our stock from here.
11:04
The next thing that we want to do is
11:06
enable fixtures and we're going to select generic vice.
11:09
Op one.
11:10
This is going to use the fixture but it's not
11:14
going to include it in things like stock contours.
11:17
When we begin creating our operations
11:19
before we set up our coordinate system location,
11:22
I'm going to move to the second tab and I'm going to set up my stock from Solid.
11:27
The solid is going to be the stock body that's
11:29
created and then we're going to move back to our setup
11:33
from here.
11:34
We need to make sure that Z is pointing up and
11:36
that X is going to be lengthwise across the vice.
11:39
So we're going to change the model orientation to Z axis slash plane
11:44
and X axis rz is already correct but our X is not.
11:49
So we're going to make sure to reference the vertical axis for Z and the X axis.
11:54
We're going to select the default Y.
11:57
If this can be hard to select, you can always go into your origins folder or again,
12:01
you can hold down the left mouse button whenever you're over
12:04
that selection and you can simply select it from the list
12:09
from here. X.
12:10
Y and Z are all in the correct orientation but the box
12:14
point is going to be in the back corner of our part.
12:17
This is referencing the fixed jaw on our vice.
12:20
And this will allow us to use a stop to
12:23
make sure that our X is in the correct orientation.
12:25
We will need to set our Z height off of our stock
12:29
because the stock sizes can vary depending on how they were cut.
12:32
And this is why it's so important for our second operation
12:35
to reference a cut face in this case Z to make
12:39
sure that we do know exactly where the part is and
12:42
that takes care of any of the variations in stock sizes.
12:45
Next we want to go to our post process for this,
12:49
the program number a comment and the wCS offset I'm going to set the wCS offset at
12:55
one and that's going to be G 50 for for us for our generic host mill.
12:60
The program number.
13:01
I'm going to leave at 1001 and I'm going to add a comment up one engine case.
13:07
Now these comments will show up later on and set up sheets,
13:10
but for right now it's just going to help us with set up one
13:14
Before we move on. Let's select.
13:16
Set up one and let's rename this op one or Operation one.
13:21
Now that we have this ready? Let's go ahead and save this and move on to the next step.
Video transcript
00:02
create a camp set up and process plan.
00:06
In this video we'll review a process plan,
00:09
create a camp set up for CNC milling
00:11
and set up stock and coordinate system digitally.
00:15
In this video, we're going to be taking a look at a handful of different files.
00:19
So first we're gonna be taking a look at engine case Rh dash, ready to program.
00:25
This is the design that we're going to be using
00:27
to create our tool paths to ultimately machine this part.
00:31
I also have a version that I'm going to show you that is completely program.
00:35
So we can better understand how the part is being held.
00:38
Now when you're planning out how to machine apart,
00:42
there are a handful of different bits and pieces that go into this process.
00:46
First, we need to think about the detailed drawing,
00:48
critical information tolerance values and how the part needs to be created.
00:54
What areas are going to be critical and what are not as critical.
00:57
There's also going to be aspects of the design where we
01:00
need to think about how we're going to hold it,
01:02
which different orientations we need to machine
01:05
and all of this goes into what's called a process plan.
01:08
Now,
01:08
whether this is actually a document you create or
01:11
it's just a mental exercise that you perform.
01:14
It happens every time you create a program for a part with this specific part.
01:18
Let's take a look first at a couple
01:20
of documents to better understand the generic process.
01:25
So on the screen on the right hand side we have a
01:28
generic spreadsheet and you can find this in the supply data sets.
01:32
This spreadsheet here is a list of different operations setups and
01:37
tools to be used as well as a section for notes.
01:40
If you need to have notes,
01:41
such as how far the tool needs to stick out or any specifications on the part.
01:46
So when we take a look at this, you can see that we've got four different setups,
01:50
which means that we're machining the part from four different sides.
01:53
And typically what you would do is review a detailed drawing
01:56
or a 3D model and you would come up with a
01:58
plan on which way you want to machine the part first
02:01
and what those order of operations are going to be.
02:04
Now,
02:04
the orders of operation typically comes from
02:07
a bit of experience as well as understanding
02:10
that you need to rough large amounts of material first and finish them later.
02:15
The experience comes with knowing things like whether or not
02:18
you need to machine the inside or the outside first,
02:20
if you have thin walls or if you have a lot
02:22
of material and the part is going to be relatively stable.
02:26
This other document here is a set up sheet.
02:29
Now, this setup sheet comes from fusion 3 60 as well as any,
02:32
can program a setup sheet is something that you would take to
02:35
the machine operator to let them know information about the part,
02:39
the coordinate system locations, the tools that are being used,
02:43
the operations and so on.
02:45
So as we look through this document we can see that we've got different tools listed.
02:50
It tells us that tool number one is a half inch three flute flat end
02:54
mill and it tells us that it's an inch and a half flute length.
02:58
This tells us that we have a cutting length of an inch and a half on this tool.
03:02
It tells us that it's using a cat 40 holder with an E. R. 32. You call it.
03:07
And we can see extra information about things like the spindle speed,
03:11
the cutting distance, the feed rate and so on.
03:14
As we go through this list, you can see that we've got a spot drill,
03:18
we have a champ for mill,
03:20
we've got other tools such as taps and drills for specific tap
03:24
sizes and we've got a quarter and gin mill and so on.
03:27
So that to list gives the machine operator everything they need
03:31
to know to set up the tools for the operations.
03:34
Then we go into the setups.
03:36
Now in this case op one which is short for operation, one has the WCS setup of one.
03:42
Now, depending on the machine tool that you're using, that W. C.
03:47
S of one generally references G 54
03:50
we're looking at a generic cost machine for this case.
03:53
It tells us where the coordinate system is located.
03:55
We can see an outline of stock on the part and there's a note that's here,
03:59
A typical kurt Vice with a 1.75 inch tall jaws.
04:02
We're going to use a 1.375 parallels.
04:06
That means we're going to put the parallels in the vice underneath the stock and
04:10
it'll put it up high enough so that we can machine everything we need to
04:13
Op two. We can see the coordinate system is now located on the bottom.
04:18
This is because the top of it was machined accurately in the first setup.
04:22
Now we know exactly where the outside of the part is and that is a machine face,
04:27
which we have a datum reference for in our detailed drawing.
04:30
So we want to make sure that we reference that.
04:32
So we have an accurate location for X Y Z zero.
04:35
We can see here that we're going to put this in advice again
04:38
for the second operation and it's going to be using 00.75 parallels.
04:44
You also note that it has a different WCS So if you're setting up your machine tool,
04:49
the WCS one or G 54 could be set up for your first operation,
04:54
WCS two or G 55 could be set up for your second operation.
04:58
So if you have multiple positions on the machine,
05:00
you could theoretically run these in each
05:03
position without having to reset your coordinate system
05:07
as we go down to op three or Operation three. The wcs is three or G 56
05:14
again it says use 1.625 parallels.
05:18
We can see where the coordinate system is located at this point.
05:21
The top and the bottom have been completely
05:23
machined as well as the entire outside faces.
05:26
All that is going to be left here is for us to take care of those internal details,
05:31
flip it over and to take care of the counter boards.
05:35
Now, when we flip the part over,
05:36
we have a note here that we can use the same WCS location as OP three.
05:41
So it's still using that G 56.
05:44
This is great.
05:45
If you have a stop set up on your machine, you can just flip the part over,
05:49
slide it against the stop.
05:51
Your Y zero will be against a fixed jaw.
05:54
On advice,
05:54
your X zero will be against your stop and zero because the entire part was
05:59
already machine the top and bottom will already
06:02
still be set from the previous operation.
06:05
And as we go down, there is a list of operations for each W. C. S.
06:09
You can see that there are 21 operations,
06:11
it tells you what the first operation is and any notes that are added
06:16
as we go down, we can see all the different operations.
06:19
Now,
06:19
this process is generally done again mentally as an
06:23
exercise or in some cases as an actual document.
06:26
Now let's hop into fusion 3 60
06:29
let's take a look at the part programmed.
06:32
So when we look at the part programmed,
06:33
we have op one and op one has our coordinate system at the top corner of the stock.
06:39
We can see how it's held inside of the vice.
06:41
We can see parallels and we can machine all the way around the part.
06:46
If I expand this, we can go through and see that we're facing the top,
06:50
we're doing the outside contour.
06:52
Were spot drilling,
06:53
we're then putting a pilot drill for a 10 32.
06:57
Were championing the holes,
06:59
were tampering the part profile and then we're tapping the holes.
07:02
Finally, when we get to opt to again,
07:06
we're flipping the part over in ze zero is
07:08
located on the already machine face of the part.
07:12
You can see that we left a hat around the top.
07:14
And this means that when we go through,
07:16
we first need to face off the top and then we're
07:18
going to do a deeper or a champ for on the profile
07:22
For op three. Again, we need to flip the part over.
07:24
We've already machined the entire outside as well as the top and the bottom.
07:28
So we know we have good references. We know we're using parallels in the vice.
07:32
We know where the coordinate system can be located and
07:35
now we can machine all of the inside features.
07:37
So this means we do a roughing operation, we finish part of that operation.
07:42
We do a roughing for the base. We finished part of it,
07:45
we do our spot drills or drills and any other operations we need,
07:49
we end up with a bore where the bearing is going to go in the
07:52
center and we finish off with just a deeper on all the sharp corners.
07:56
And finally we finish up with op four and opt
07:59
for is simply going to be to come back in and
08:02
take a look at counter boring the holes where the
08:04
quarter inch screws go and then again a quick deeper.
08:07
So the process of figuring this out comes from a little bit of experience,
08:12
a little bit of planning and a little bit of time.
08:16
So when we look at our part, the engine case, R. H.
08:20
Ready to program this file already contains a body that represents our stock and
08:25
this is good practice for us to figure out the size of stock that we're
08:29
going to be using and also where it's positioned relative to the part because we
08:34
are going to be machining from the top as we're looking at it here,
08:38
we're going to be machining from this face down to get started.
08:41
This gives us a lot of material in the bottom to be held in a vice.
08:45
And this file also contains vices for each of the operations.
08:49
So if we take a look inside of the vice and inside of the rear jaw bodies,
08:54
you can see that we've got different parallels for different operations.
08:58
We can hide or show the different parallels.
09:00
This will help us when we're setting
09:02
up our assemblies before we get into programming
09:05
while it isn't strictly required that we go through the steps to put advice,
09:10
model the stock and do all the extra steps.
09:13
It is very helpful,
09:14
especially when getting started to help visualize all the things
09:18
that you might collide into when you're programming your part.
09:21
If we didn't know how far down into the vice this part was being held,
09:25
we wouldn't necessarily know how far down we can take the tool.
09:28
This gives us a great visual reference as well
09:31
as a reference for things like collision checking.
09:34
Now that we see that this part contains four different vices and
09:38
we're going to be using those when setting up our parts.
09:41
Let's go ahead and hop into the manufacturer
09:43
workspace and set up our first cam setup.
09:46
So from design we're going to navigate down to manufacture,
09:49
we're going to make sure that we're in
09:51
milling and we're going to rotate our part around
09:56
and I'm going to use my view cube to come to this upper left hand corner.
10:00
Once we're inside of here,
10:01
the first step to this process is figuring out the first orientation.
10:06
We're going to machine and creating that set up so from the models,
10:09
we're going to expand this and we're going to make
10:11
sure that we are looking at the first vice,
10:14
you'll notice that even though it shows it's visible.
10:16
The vice for opt for is actually visible.
10:18
So we need to expand this, make sure that our base,
10:21
our rear jaw and the front jaw are visible
10:24
and make sure that the correct parallels are shown.
10:27
Once we have that set up, let's go ahead and create our new cam setup.
10:32
We do this from our setup menu, select new setup.
10:36
We need to select the operation type which is milling.
10:39
We need to select our work coordinate system, our model and our fixture.
10:44
So this can typically happen in order.
10:47
But with this example, since we actually do have advice,
10:50
it's important for us to focus specifically on the model.
10:53
So when I select the model,
10:56
I'm going to go into my models into the bodies folder and select my part.
11:00
The stock body will be used when we set up our stock from here.
11:04
The next thing that we want to do is
11:06
enable fixtures and we're going to select generic vice.
11:09
Op one.
11:10
This is going to use the fixture but it's not
11:14
going to include it in things like stock contours.
11:17
When we begin creating our operations
11:19
before we set up our coordinate system location,
11:22
I'm going to move to the second tab and I'm going to set up my stock from Solid.
11:27
The solid is going to be the stock body that's
11:29
created and then we're going to move back to our setup
11:33
from here.
11:34
We need to make sure that Z is pointing up and
11:36
that X is going to be lengthwise across the vice.
11:39
So we're going to change the model orientation to Z axis slash plane
11:44
and X axis rz is already correct but our X is not.
11:49
So we're going to make sure to reference the vertical axis for Z and the X axis.
11:54
We're going to select the default Y.
11:57
If this can be hard to select, you can always go into your origins folder or again,
12:01
you can hold down the left mouse button whenever you're over
12:04
that selection and you can simply select it from the list
12:09
from here. X.
12:10
Y and Z are all in the correct orientation but the box
12:14
point is going to be in the back corner of our part.
12:17
This is referencing the fixed jaw on our vice.
12:20
And this will allow us to use a stop to
12:23
make sure that our X is in the correct orientation.
12:25
We will need to set our Z height off of our stock
12:29
because the stock sizes can vary depending on how they were cut.
12:32
And this is why it's so important for our second operation
12:35
to reference a cut face in this case Z to make
12:39
sure that we do know exactly where the part is and
12:42
that takes care of any of the variations in stock sizes.
12:45
Next we want to go to our post process for this,
12:49
the program number a comment and the wCS offset I'm going to set the wCS offset at
12:55
one and that's going to be G 50 for for us for our generic host mill.
12:60
The program number.
13:01
I'm going to leave at 1001 and I'm going to add a comment up one engine case.
13:07
Now these comments will show up later on and set up sheets,
13:10
but for right now it's just going to help us with set up one
13:14
Before we move on. Let's select.
13:16
Set up one and let's rename this op one or Operation one.
13:21
Now that we have this ready? Let's go ahead and save this and move on to the next step.
Step-by-step guide
How to buy
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