Burrs
General Information
PFERD offers an extensive range of top qual-
Resharpening
Ordering instructions
ity tools. The high quality and wide product
Tungsten carbide burrs can usually be re-
Please state the EAN-number or order no.,
range can provide the right tool for each appli-
ground (this is not recommended for tungsten
cut and shank diameter when ordering. If no
cation, ensuring that every task can be carried
carbide burrs of shank dia. 3 mm for economic
details are provided, the cut 3 PLUS and shank
out optimally and efficiently.
reasons)!
dia. 6 mm will be delivered.
According to the level of wear, the following
In the case of tungsten carbide burrs with a
Thanks to a very good stock removal perform-
differentiation is made:
shank dia. 3 mm, the cut 5 will be delivered.
ance over the entire service life, these tools
1. Tungsten carbide burrs, that have become
deliver outstanding results in minimum time.
blunt during normal use.
PFERD-tool production technology is certified
2. Tungsten carbide burrs that are extremely
in accordance with EN ISO 9001.
worn and e.g. have broken teeth or dam-
aged shanks.
Technical customer support
Our sales consultants will be glad to visit
Our production specialists will decide whether
you to address all machining optimisation
re-grinding makes economic or technical sense
issues. Together with you, PFERD will develop
in each individual case.
application-relevant solutions for processing
Please talk to our sales consultants.
Ordering examples: TC burrs
different materials. Please just contact us.
EAN 4007220045176
You will find our worldwide sales addresses at
ZYAS 1225 6 C3 PLUS
Safety recommendations
➊ ➋ ➌ ➍
Products made to order
EAN 4007220047781
= Wear eye protection!
RBF 1225 6 C3 PLUS
If you cannot find the solution for your par-
➌ ➍
ticular application in our product catalogue,
we can produce burrs in premium PFERD
How to order:
= Wear hearing protection!
quality tailor-made to meet the requirements
Shape
of your job.
For cylindrical shape with end cut
Read the instructions!
Burr dia. x head length d
1 x l2 [mm]
We will take into account your specifications
(Please observe the recommended
Shank dia. d
=
2 [mm]
and wishes, drawings relating to cuts, shank
RPM, in particular for burrs with
Cut
diameters, special lengths, special shapes and
long shanks!)
coatings.
PFERD packaging
Just call our sales consultant! Our specialist
All cutters and burrs are packed individually
team for production-related specially-made
and supplied in sturdy reliable plastic boxes.
tools will be glad to help!
The packaging protects the quality of the cut-
ting edges. Please refer to the product tables
for the packaging units (VE).
The packaging unit contains technical informa-
tion, the order number, EAN-Code, the article
number and the batch number (production
Ordering example: Step drill
information).
EAN 4007220802755
STB HSS 04-20/8 HC-FE
➋ ➌ ➍
How to order:
Step drill
Smallest - largest drilling step [mm]
Use of robots
Shank dia [mm]
Tungsten carbide burrs from PFERD can be
Coating
used with robots. Depending on the operat-
ing conditions, it may be necessary to decide
which burr is the best suited for your applica-
PFERD TOOL-CENTER
tion. Just call our sales consultant.
All cutters and burrs can be attractively
presented using the PFERD TOOL-CENTER or
other selling aids.
Also, PFERD offers a lockable display as an at-
tractive and secure sales promotion unit.
If you are looking to present a special
product family to a particular target group or
are planning a sales promotion, then our sales
consultants will be happy to help you draw
up a promotional concept with the matching
choice of tools.
202 I
3
Burrs
The Fast Way to the Best Tool
Working from
gives you an overview of suitable
Standard applications
Application
burrs, rotary cutters, hole saws,
Material group
hole cutters and step drills from
Application variants
the PFERD-program and facilitates
- standard applications
the selection of the right tool.
- professional applications
- high-performance applications
- problem applications
Processing tasks
Application examples
Material group
Page
Steel,
cast steel,
HSS rotary cutters
43-54
stainless steel (INOX),
cast iron
Non-ferrous metals,
brass,
Deburring,
copper,
HSS rotary cutters
43-54
bronze,
milling out in preparation
for build-up welding,
titanium
machining of welded joints,
machining of contours,
chamfering, sinking,
High-temperature resistant
materials,
cleaning cast material
nickel based alloys,
cobalt based alloys
Aluminium of the machinability
classifications SOFT, TOUGH, HARD
HSS rotary cutters
43-54
For more information, please refer
to the PRAXIS “PFERD Tools for Use
on Aluminium“.
Trimming,
Fibre-reinforced plastics
contour milling,
HSS rotary cutters
43-54
(GRP/CRP)
cutting out
Mounted Points
203
For detailed infor-
Steel,
Fine machining,
mation concerning
cast steel,
mounted points please
stainless steel (INOX),
stationary inner concentric milling
refer to catalogue
cast iron
203.
Steel, cast steel, stainless steel
HSS step drill HICOAT®
55
(INOX), cast iron,
non-ferrous metals,
Cutting out round openings
aluminium of the machinability
class SOFT, TOUGH, HARD,
fibre-reinforced plastics (GRP/CRP)
HSS hole saws
56-61
4
I
202
Burrs
The Fast Way to the Best Tool
Professional applications
High-performance
Problem applications
applications
Hard to access areas
Tooth chipping / failure
Page
Page
Page
Page
TC burrs
with long shank
19-22
TC burrs
6-18
TC burrs HICOAT®-coatings
24-29
TC burrs for tough
30-34
applications
Combination burrs
with extensions
23
TC burrs
35-38
TC burrs
with long shank
19-22
TC burrs
35-38
TC burrs for tough
30-34
applications
TC burrs HICOAT®-coatings
24-29
Combination burrs
with extensions
23
TC burrs
6-18
TC burrs with long shank
19-22
TC burrs
6-18
TC burrs for tough
30-34
applications
TC burrs HICOAT®-coatings
24-29
Combination burrs
with extensions
23
TC burrs
35-38
TC burrs HICOAT®-coatings
24-29
Combination burrs
with extensions
23
TC burrs for GRP/CRP
39-40
TC burrs for GRP/CRP
39-40
Combination burrs
with extensions
23
TC burrs
35-38
TC burrs HICOAT®-coatings
24-29
Diamond and CBN Tools
205
For detailed informa-
tion and ordering data
For applications with high impact
TC micro burrs X
41-42
Combination burrs
on diamond and CBN
loads and tooth chipping problems,
with extensions
23
tools, please refer to
our sales consultants will be happy
catalogue 205.
to advise you on an individual
basis. Just call our sales consultant.
Our specialist team for production-
related custom tools will be happy
to help!
HSS step drill HICOAT®
55
HSS hole saws
56-61
TC hole cutters
62-64
Combination HSS hole saws
with shank extensions
61
TC hole cutters
62-64
202 I
5
Tungsten Carbide Burrs
PFERD-Cuts and their Applications
Cut 1
Suitable for coarse machining of
Cut ALU PLUS
Suitable for coarse machining of
(conforms to DIN C)
light metals, plastics, non-ferrous
hard aluminium alloys with an Si-
metals, steel and cast iron.
content of > 12% and non-ferrous
metals.
High machining performance
thanks to specially developed tooth
geometry.
Cut 3
Suitable for high coarse stock
Cut FVK
Suitable for trimming and contour
(conforms to DIN MY)
removal and good surface finish on
milling of fibre-reinforced plastics
cast iron, steel < 60 HRC, stainless
GRP and CRP, hard rubber and
steel (INOX), nickel-based alloys
thermoplastics.
and titanium alloys.
Thanks to the high level of con-
centric accuracy, suitable for use
in stationary machines as well as
manual applications. These burrs
with an end cut allow both drilling
and cutting tasks to be performed.
Cut 3 PLUS
Similar to cut 3, but with cross cut.
(conforms to DIN MX)
Suitable for high coarse stock re-
moval on cast iron, steel < 60 HRC,
Cut FVKS
Similar to cut FVK.
stainless steel (INOX), nickel-based
Due to the special tooth design,
alloys and titanium alloys.
suitable for smooth milling on
machines and robots with high
feed rates.
These burrs with an end cut allow
both drilling and cutting tasks to
be performed.
Cut 4
Suitable for machining when a
(conforms to DIN MX)
high stock removal is required.
Creates short chips and good
Cut 3R
With extreme impact resistance,
surface quality on stainless steels
these burs also provide a high
(INOX), steel < 60 HRC, high heat-
wrap angle >1/3. Suitable for ma-
resistant materials such as e.g.
chining with high stock removal on
nickel-based alloys, cobalt-based
cast iron, steel <55 HRC, stainless
alloys.
steel (INOX), nickel-based alloys
and titanium alloys.
Cut 5
Suitable for fine deburring of stain-
(conforms to DIN F)
less steel (INOX), high heat-resist-
ant materials such as e.g. nickel
Cut 3RS
Similar to cut 3R, but with smooth
based, cobalt based alloys.
milling behaviour, creates shorter
chips. Due to the extreme impact
resistance, can also be used with a
high wrap angle > 1/3 and under
impacting loads.
Suitable for coarse machining with
high stock removal on cast iron,
Cut ALU
Suitable for coarse machining with
steel < 55 HRC, stainless steel
(INOX), nickel-based alloys and
high stock removal of aluminium
and aluminium alloys, light metals,
titanium alloys.
non-ferrous metals and plastics.
Cut MZ
Suitable for fine smooth milling of
boreholes up to dia. 12 mm and
for very fine machining with high
surface quality of material hard-
nesses < 60 HRC.
6
I
202
Tungsten Carbide Burrs
Application Examples and Recommendations
PFERD tungsten carbide burrs are designed for
Recommendations for use
machining materials of virtually any strength.
Optimum power output and RPM of the
The perfect combination of tungsten carbide,
power source (air-powered or electric machine,
shape and cut geometry and, if required, coat-
flexible shaft system) are necessary conditions
ings, make this possible.
for an cost-effective use of tungsten carbide
burrs.
Advantages
The high concentricity
We therefore recommend that you:
■■allows the operator to work more safely,
■■Use highest possible speeds. Please observe
■■reduces tool drive wear,
our recommendations for speed/cutting
■■provides smooth operating action,
speed.
■■prevents chatter marks,
■■For stationary use or when countersinking
■■increases tool life and stock removal per-
with 360° use of the burr, work in these
■■We recommend substantially lowering the
formances.
instances at 3.000 RPM or less.
speed to avoid damage to materials which
■■Only use rigid clamping systems/drives as
do not conduct heat well, such as stainless
Application examples
impacts and chattering on the tools lead to
steel (INOX), titanium alloys etc. Avoid mak-
premature wear.
ing the shank and tool turn blue.
■■Deburring.
■■Do not chose a too small burr clamping
If subjected to excessive temperatures, the
■■Contouring.
depth. In general the minimum clamping
soldering connection between the burr head
■■Milling in preparation for build-up welding.
depth is 2/3 of the shaft length.
and the shank becomes less rigid. The head
■■Weld dressing.
■■For the cost-effective use of burrs with a
may tear off.
■■Milling of acute-angled surfaces.
diameter > 6 mm a tool drive output of
■■The burr contact surface to the workpiece
■■Inner contour work, i.e. peripheral and face
300-500 watts is required used at the
should not total more than a third of the cir-
milling.
higher cutting speeds. When using burrs
cumference. An excessively large wrap angle
with coarse cuts (e.g. ALU cut), even higher
> 1/3 prevents smooth milling behaviour.
tool drive outputs of 500-1.500 watts are of
This results in cut breakage. If an enlace-
advantage.
ment angle > 1/3 cannot be avoided, we
■■The speed can be substantially increased
recommend cuts 3R and 3RS.
with low stock removal (deburring, chamfer-
■■When machining very cloying materials,
ing, light surface work).
the use of a suitable lubricant such as cut-
ting oil, grease, kerosene, chalk or similar
is recommended, to prevent the cut from
Shapes and cuts for TC burrs and HSS rotary cutters
clogging up.
The DIN Standards Institute uses a specific code system to denote the shape (DIN 8032) and cut
(DIN 8033) of these burrs.
The tables compare the shapes and cuts between the PFERD and DIN codes.
Shape
PFERD shapes
DIN shapes
PFERD cuts
DIN cuts
ZYA
ZYA
1
C
ZYAS
ZYA…S
2 (HSS with chip breaker)
-
B
-
3 (HSS with chip breaker)
-
KUD
KUD
3
MY
WRC
WRC
3 PLUS
MX
SPG
SPG
4
MX
SKM
SKM
5
F
RBF
RBF
ALU
-
KEL
KEL
ALU PLUS
-
TRE
TRE
FVK
-
WKN
WKN
FVKS
-
WKNS
WKN…S
3R
-
KSJ
KSJ
3RS
-
KSK
KSK
MZ
-
R
-
-
special cut
-
V
-
N
-
202 I
7
Tungsten Carbide Burrs
Tungsten Carbide Burrs
Cut 1
Cut 3
Cut 3 PLUS
Cut 4
Cut 5
(conforms to DIN C)
(conforms to DIN MY)
(conforms to DIN MX)
(conforms to DIN MX)
(conforms to DIN F)
Recommended rotational speed range
To determine the recommended cutting speed
Establish the cutting speed range.
Select the required burr diameter.
[m/min], please proceed as follows:
The cutting speed range and the burr
Select the material group that is to be
To determine the recommended rotational
diameter determine the recommended
processed.
speed [RPM], please proceed as follows:
rotational speed range [RPM].
Determine the type of application.
Select the cut.
Material groups
Application
Cut
Cutting speed
1
600 - 900 m/min
Non-hardened,
Construction steels,
Coarse machining =
non-heat treated
carbon steels,
3
high stock removal
450 - 600 m/min
steels up to
tool steels,
3 PLUS
1200 N/mm²
non-alloyed steels,
Fine machining =
3
500 - 600 m/min
(< 38 HRC)
case-hardened steels, cast steels
Steel,
low stock removal
cast steel
3
Hardened,
Tool steels,
Coarse machining =
heat-treated steels
3 PLUS
250 - 350 m/min
tempering steels,
high stock removal
exceeding
4
alloyed steel,
1200 N/mm²
Fine machining =
cast steels
5
350 - 450 m/min
(> 38 HRC)
low stock removal
1
300 - 450 m/min
Coarse machining =
3
Stainless steel
Rust and
high stock removal
3 PLUS
250 - 350 m/min
Austenitic and ferritic stainless steels
(INOX)
acid-resistant steels
4
Fine machining =
5
350 - 450 m/min
low stock removal
Soft non-ferrous
Coarse machining =
Alu-alloys, brass, copper, zinc
1
600 - 900 m/min
metals
high stock removal
Coarse machining =
3
250 - 350 m/min
Hard non-ferrous
Bronze, titanium/titanium alloys, hard
high stock removal
4
Non-ferrous
metals
alu-alloys (high Si content)
Fine machining =
3
350 - 450 m/min
metals
low stock removal
Coarse machining =
3 PLUS
Nickel based alloys, cobalt based alloys
300 - 450 m/min
High-temperature
high stock removal
4
(aircraft engine and turbine
resistant materials
Fine machining =
construction)
5
350 - 500 m/min
low stock removal
1
600 - 900 m/min
Cast iron with flake graphite EN-GJL,
Coarse machining =
3
Grey cast iron,
with nodular graphite cast iron EN-GJS,
high stock removal
450 - 600 m/min
Cast iron
3 PLUS
white cast iron
white annealed cast iron EN-GJMW,
Fine machining =
black cast iron EN-GJMB
3
500 - 600 m/min
low stock removal
Example:
Cutting speed [m/min]
Tungsten carbide burr, cut 3 PLUS
250
300
350
400
450
500
600
900
Diameter: 12 mm.
Dia.
Coarse machining of non-hardened and non-
[mm]
Rotational Speed [RPM]
heat-treated steels.
2
40.000
48.000
56.000
64.000
72.000
80.000
95.000
143.000
Cutting speed: 450 - 600 m/min
3
27.000
32.000
37.000
42.000
48.000
53.000
64.000
95.000
Rotational speed: 12.000 - 16.000 RPM
4
20.000
24.000
28.000
32.000
36.000
40.000
48.000
72.000
6
13.000
16.000
19.000
21.000
24.000
27.000
32.000
48.000
8
10.000
12.000
14.000
16.000
18.000
20.000
24.000
36.000
10
8.000
10.000
11.000
13.000
14.000
16.000
19.000
29.000
12
7.000
8.000
9.000
11.000
12.000
13.000
16.000
24.000
16
5.000
6.000
7.000
8.000
9.000
10.000
12.000
18.000
20
4.000
5.000
6.000
6.000
7.000
8.000
10.000
14.000
25
3.000
4.000
4.000
5.000
6.000
6.000
8.000
11.000
8
I
202

Program

PFERD sajam 2016

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