Tooling for CNC Milling
Computer Integrated Manufacturing
Unit 2 CNC Machining
In this lesson
Examine cutting tools and their
recommended uses.
Review the steps for setting up the tool
library.
Ball End Mill
Basic Cutting Tools
Combination Drill
& Countersink
Indexable
Shell Mill
Center Cutting
End Mill
Spotting Drill
Non-Center
Cutting End Mill
Countersink
Flutes
2 Flute End Mill
More room for chip evacuation
Used for light metals
Weak, short tool life
4 Flute End Mill
More cutting edges, longer
tool life
Used for harder metals
Clogs easily in deep cuts
Center vs. Non-Center Cutting
2 Flute
Center Cutting
4 Flute
Center Cutting
4 Flute
Non-Center Cutting
Milling Tools
Tool
Description
¼” 2 Flute HSS
Single End Mills
For Cutting
Aluminum – 3/8
Shank x 1 ¼
cutting length
¼” 2 Flute Ball End
Mill for Aluminum
– 3/8 shank x 1 ¾
cutting length
MSC Part
#
01901164
71886162
Application
Facing, profiling,
Pocketing,
Slotting,
Roughing and
Finishing
Surfacing,
Slotting,
profiling,
Roughing and
Finishing
Engraving Tool Options
Tool
Description
MSC Part
#
Application
¼” Countersink &
De-burring Tool –
90 Degree
02462166
Engraving, Deburring,
countersink,
Spot drilling
#3 Combined drill
& countersink 90
Degree
71037030
Spot drilling,
Engraving
¼” spotting drill 90
deg
Professional Development ID Code: 6005
01833003
Spot Drilling,
Engraving
Setting Up The Tool Library
Type in a tool
Enter the description
Diameter
Select the tool
number. This will be
identified as tool 1
(M06 T1)
Fraction Decimal
1/16
0.0625
1/8
0.1250
3/16
0.1875
1/4
0.2500
5/16
0.3125
3/8
0.3750
7/16
0.4375
1/2
0.5000
9/16
0.5625
5/8
0.6250
11/16
0.6875
3/4
0.7500
13/16
0.8125
7/8
0.8750
15/16
0.9375
1
1.0000
Setting Up The Tool Library
Select the
type of Tool.
A Bull Mill has a
nose radius on its
An End corners
Mill has -aDefine
flat bottom. A center cutting is
the radius
here.
recommended
since
plunging is often required.
Setting Up The Tool Library
Define the taper
angle.
A Ball
Mill has aDrill
A
Standard
Define the
constant(118°
radius
(1/2
Point)
diameter at its
Diameter) on its
end point.
end.
An
engraving
tool is a
type of
tapered
cutter.
Setting Up The Tool Library
Station Number – Defines the tool
location for Automatic Tool Changers
Various Suppliers
http://www.coromant.sandvik.com/
http://www.kennametal.com/en/metalworking/mw_home.jhtml
http://www.mscdirect.com
http://www.penntoolco.com/main.cfm
Curriculum Alignment:
Unit 2 – CNC Machining
Section 2.2 – CNC Characteristics
2.2.2 – Tooling
References:
Kibbe, R.R. & Neely, J.N & Meyer, R.O. & White,
W.T. (2002). Machine Tool Practices,
Upper Saddle River, NJ: Prentice Hall.
Mattson, M. (2002). CNC Programming Principles
and Applications, Albany, NY: Delmar.
Credits:
Writer: Ken McDermith
Content Editor: Donna E. Scribner
Narration: Donna E. Scribner
PLTW Editor: Ed Hughes
Production: CJ Amarosa
Video Production: CJ Amarosa
Audio: CJ Amarosa
Project Manager: Donna E. Scribner