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& Manufacturing
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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
00:01
review milling tools and holders
00:05
in this video will identify types of tool holders for
00:08
CNC mills and identify types of tools for CNC mills
00:13
milling tools come in a wide variety of shapes,
00:15
sizes and coatings and we can't cover them all,
00:17
but we want to take a look at a few standard tools that you should know first.
00:22
We want to talk about the flat end mill.
00:24
Flat end mills are used for both roughing and finishing operations
00:27
and are able to produce square corners when milling pockets.
00:30
There are many variations of these tools such as roughing versus finishing,
00:34
center versus non center cutting and tools with through coolant.
00:37
There are other variations, such as the angle and number of cutting flutes.
00:42
These parameters as well as their material
00:44
and surface coding will dictate what material they
00:46
should be used on and how fast they should spin and move when they're cutting.
00:51
Next we want to move on to the ball end mill.
00:54
The ball end mill will have a full radius and is generally used for finishing
00:58
of complex shapes in between flattened ball is a tool called a bull end mill.
01:03
This is very similar to a flat end mill but has a small radius on the corner.
01:07
These tools are great for a wide variety
01:09
of applications because of their geometry and can be
01:11
used to rough and finish pockets that have a radius as well as cut complex geometry.
01:17
There are many other variations of tools such as pencil, lollipop and champers,
01:21
to name a few.
01:22
Each of those will have their own specific applications.
01:26
Next,
01:27
we want to talk about tools for facing and these are for cutting
01:30
the tops of parts and again there are many variations of these here.
01:34
We have an insert type facing tool.
01:36
These tools are specifically designed for cutting the top of parts.
01:41
The last thing that we want to discuss here for tools
01:43
is going to be ones for whole making to start holes.
01:46
We have center and spot drills then onto actual drill bits and again drill bits
01:50
have various options such as materials coatings
01:53
in coolant options such as through coolant.
01:55
In addition to this,
01:56
we have reams to help finish holes and then we have taps
01:59
to help cut or form threads in a pre drilled hole.
02:02
One more item that we do need to cover is the holder itself,
02:05
holders come in various tapers types and sizes
02:08
and we won't be covering these in general but
02:11
we want to make sure that we understand that
02:12
the tool extends or projects from the holder.
02:15
This will be important as it will affect how far the
02:18
tool can reach into a part and the tools overall stability.
02:22
The farther a tool sticks out, especially a small diameter tool,
02:25
the more chatter or vibration will have and the
02:27
less accurate or clean the cut will be.
02:30
The main thing to understand is that various types
02:33
of tools are used for various different applications.
02:36
So we need to be familiar with these and be able
02:38
to identify them as we begin to program our parts.
Video transcript
00:01
review milling tools and holders
00:05
in this video will identify types of tool holders for
00:08
CNC mills and identify types of tools for CNC mills
00:13
milling tools come in a wide variety of shapes,
00:15
sizes and coatings and we can't cover them all,
00:17
but we want to take a look at a few standard tools that you should know first.
00:22
We want to talk about the flat end mill.
00:24
Flat end mills are used for both roughing and finishing operations
00:27
and are able to produce square corners when milling pockets.
00:30
There are many variations of these tools such as roughing versus finishing,
00:34
center versus non center cutting and tools with through coolant.
00:37
There are other variations, such as the angle and number of cutting flutes.
00:42
These parameters as well as their material
00:44
and surface coding will dictate what material they
00:46
should be used on and how fast they should spin and move when they're cutting.
00:51
Next we want to move on to the ball end mill.
00:54
The ball end mill will have a full radius and is generally used for finishing
00:58
of complex shapes in between flattened ball is a tool called a bull end mill.
01:03
This is very similar to a flat end mill but has a small radius on the corner.
01:07
These tools are great for a wide variety
01:09
of applications because of their geometry and can be
01:11
used to rough and finish pockets that have a radius as well as cut complex geometry.
01:17
There are many other variations of tools such as pencil, lollipop and champers,
01:21
to name a few.
01:22
Each of those will have their own specific applications.
01:26
Next,
01:27
we want to talk about tools for facing and these are for cutting
01:30
the tops of parts and again there are many variations of these here.
01:34
We have an insert type facing tool.
01:36
These tools are specifically designed for cutting the top of parts.
01:41
The last thing that we want to discuss here for tools
01:43
is going to be ones for whole making to start holes.
01:46
We have center and spot drills then onto actual drill bits and again drill bits
01:50
have various options such as materials coatings
01:53
in coolant options such as through coolant.
01:55
In addition to this,
01:56
we have reams to help finish holes and then we have taps
01:59
to help cut or form threads in a pre drilled hole.
02:02
One more item that we do need to cover is the holder itself,
02:05
holders come in various tapers types and sizes
02:08
and we won't be covering these in general but
02:11
we want to make sure that we understand that
02:12
the tool extends or projects from the holder.
02:15
This will be important as it will affect how far the
02:18
tool can reach into a part and the tools overall stability.
02:22
The farther a tool sticks out, especially a small diameter tool,
02:25
the more chatter or vibration will have and the
02:27
less accurate or clean the cut will be.
02:30
The main thing to understand is that various types
02:33
of tools are used for various different applications.
02:36
So we need to be familiar with these and be able
02:38
to identify them as we begin to program our parts.
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